CN219800721U - Luminous keyboard, backlight module and luminous light panel - Google Patents

Abstract

The utility model provides a luminous keyboard, a backlight module and a luminous lamp panel. The backlight module includes a light panel and a light shielding panel. The light panel includes a plurality of light-emitting units arranged in two rows; the light-shielding panel includes at least one first light-emitting window, a plurality of first patterns disposed in the at least one first light-emitting window, and at least one The second light-emitting window and a plurality of second block patterns disposed in the at least one second light-emitting window. The plurality of first block patterns correspond to one of the plurality of light-emitting units. The plurality of first block patterns constitute a first Column patterns; the plurality of second block patterns correspond to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column pattern; wherein, the entire periphery of the at least one first light-emitting window has a first window long, the at least one second light-emitting window has a second window length, the first window length is the same as the second window length, and the first column pattern is different from the second column pattern to provide a uniform outline light amount for the keys. .

Description

Luminous keyboard, backlight module and luminous light panel

Technical field

The utility model relates to a luminous keyboard, a backlight module and a luminous lamp panel, and in particular to a luminous keyboard and a backlight module that can improve the uniform effect of contour halo in multiple areas and take into account the uniformity of single-key halo of each key in the area. Set and light panel.

Background technique

With the development of technology, keyboard designs are becoming more and more diverse. When users choose a keyboard, in addition to the basic input functions, the visual effects of the keyboard are also valued by users. Illuminated keyboards are currently on the market. In addition to being visually attractive to users, they can also be used at night or in places with insufficient lighting. The existing light-emitting keyboard uses low-brightness LEDs to illuminate each square key. Therefore, the following problems will occur: 1) the main symbols above the LEDs are too bright, and the corner symbols of the keycaps are too dark; 2) the keycaps The surrounding light brightness is inconsistent; 3) The overall illumination of a single button and multiple buttons is inconsistent.

Utility model content

The utility model provides a luminous keyboard, a backlight module and a luminous lamp panel to solve the above technical problems.

In order to achieve the above object, the present invention proposes a backlight module for illuminating multiple keycaps. The backlight module includes a light panel and a light shielding plate. The light panel includes a plurality of light-emitting units arranged in two rows; the light-shielding panel includes at least a first light-emitting window, a plurality of first patterns, at least a second light-emitting window and a plurality of second patterns. , the plurality of first block patterns are disposed in the at least one first light-emitting window, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute a first column of patterns; The plurality of second block patterns are disposed in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column of patterns; wherein , the entire periphery of the at least one first light exit window has a first window length, the at least one second light exit window has a second window length, the first window length is the same as the second window length, and the first row The pattern is different from this second column pattern.

As an optional technical solution, the areas of the at least one first light exit window are the same as each other.

As an optional technical solution, the area of the at least one second light exit window is different from the area of the at least one first light exit window.

As an optional technical solution, the length of the short side of the at least one first light exit window is equal to the length of the short side of the at least one second light exit window.

As an optional technical solution, the first column pattern defines a first frame pattern surrounding the at least one first light exit window, and the second column pattern defines a second frame pattern surrounding the at least one first light exit window. There is at least one second light-emitting window, and the first frame pattern and the second frame pattern are different, or the first frame pattern and the second frame pattern are at least partially the same.

As an optional technical solution, the two first light exit windows on the opposite sides of the at least one first light exit window are the same as the two second light exit windows on the opposite sides of the at least one second light exit window.

As an optional technical solution, the backlight module includes at least one pair of non-intersecting wires, and the first column pattern is located between the at least one pair of non-intersecting wires.

As an optional technical solution, two second block patterns on opposite sides of the plurality of second block patterns and two first block patterns on opposite sides of the plurality of first block patterns correspond to each other in shape and position.

As an optional technical solution, the backlight module includes a light guide plate and at least one microstructure layer, and the at least one microstructure layer is located on the surface of at least one of the light shielding plate, the light guide plate and the lamp panel.

As an optional technical solution, the backlight module includes at least one microstructure layer, the light shielding plate includes a second frame pattern, the second frame pattern corresponds to the at least one second light exit window and the second column pattern, and the at least one The microstructure layer overlaps at least a portion of the second frame pattern.

As an optional technical solution, the at least one second light-emitting window further includes at least one frame rib, and the at least one frame rib has at least one second light-filling window.

As an optional technical solution, at least one of the plurality of first block patterns is the same as at least one of the plurality of second block patterns.

As an optional technical solution, the four corners of the entire periphery of the at least one first light exit window and the four corners of the at least one second light exit window are symmetrical to each other.

As an optional technical solution, the plurality of second block patterns are divided into a first group of second block patterns and a second group of second block patterns. The first group of second block patterns is close to the at least one first light exit window. The two groups of second block patterns are far away from the at least one first light exit window, and the number of the second group of second block patterns is greater than the number of the first group of second block patterns.

In addition, the utility model also proposes a backlight module for illuminating multiple keycaps. The backlight module includes a light panel and a light shielding plate. The light panel includes a plurality of light-emitting units arranged in two rows; the light shielding panel includes a plurality of first light-emitting windows, a plurality of first patterns, at least one second light-emitting window and a plurality of second patterns. , the plurality of first block patterns are disposed in the plurality of first light exit windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute a first column of patterns; The plurality of second block patterns are disposed in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column of patterns; wherein , the light panel further includes a pair of non-intersecting conductors, and the first column of patterns is at least partially located between the pair of non-intersecting conductors.

In addition, the utility model also proposes a backlight module for illuminating multiple keycaps. The backlight module includes a light panel and a light shielding plate. The light panel includes a plurality of light-emitting units arranged in two rows; the light shielding panel includes a plurality of first light-emitting windows, a plurality of first patterns, at least one second light-emitting window and a plurality of second patterns. The plurality of first block patterns are disposed in the plurality of first light exit windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute a first column of patterns; A plurality of second block patterns are disposed in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column of patterns; wherein, The lamp panel also includes a pair of spaced apart microstructure areas, and at least one of the plurality of first patterns is located between the pair of microstructure areas.

In addition, the present invention also provides a luminous keyboard, which includes at least one first key, at least one second key and a backlight module. The at least one second button is arranged parallel to the at least one first button, and the backlight module includes a light panel and a light shielding panel. The light panel includes a plurality of light-emitting units, and the plurality of light-emitting units respectively correspond to the at least one first button and the at least one second button; the light shielding plate includes at least one first light-emitting window, a plurality of first patterns, at least one a second light-emitting window and a plurality of second patterns. The plurality of first block patterns are disposed in the at least one first light-emitting window, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute a first column of patterns; A plurality of second block patterns are disposed in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column of patterns; wherein, The entire periphery of the at least one first button has a first long side, the at least one second button has a second long side, the first long side and the second long side have the same length, and the first row of patterns is the same as the second long side. The two columns have different patterns.

As an optional technical solution, the at least one first button and the at least one second button are two multiple keys located on the same straight line, with a plurality of square keys spaced between the two multiple keys, and the at least one first button The at least one second key has a corresponding keycap light-transmitting area.

In addition, the utility model also proposes a light-emitting lamp panel, which includes a plurality of light-emitting units, a first pair of non-intersecting conductors, a second pair of non-intersecting conductors, and a light shielding plate. The light-emitting units are arranged in two rows. The light-shielding plate includes a plurality of first light exit windows, a plurality of first block patterns, at least one second light exit window and a plurality of second block patterns. The plurality of first block patterns are arranged in a plurality of first light-emitting windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute a first column of patterns; A second block pattern is disposed in the at least one second light-emitting window, the plurality of second block patterns respectively corresponds to one of the plurality of light-emitting units, and the plurality of second block patterns constitute a second column of patterns; wherein, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units. The first column of patterns is located between the first pair of non-intersecting conductive lines, the second column of patterns is located between the second pair of non-intersecting conductive lines, and the first column of patterns is different from the second column of patterns.

The utility model provides a luminous keyboard, a backlight module and a luminous lamp panel, which optimizes the frame pattern/block pattern of the shading plate, and at the same time makes full use of the microstructure layers from different positions to recycle light, thereby improving local For the problem of uneven regional halo, it can not only achieve the uniform effect of contour halo in multiple areas, but also take into account the uniformity of single-key halo of each button in the area.

In addition, the present invention forms a protruding structure between two non-intersecting wires or multiple microstructure areas, and the position of the protruding structure corresponds to the position of the light-emitting unit, thereby increasing the amount of light emitted by the light-emitting unit entering the light guide plate. The amount of light is reduced, and the specially configured microstructure area on the light-emitting lamp board is used to recycle light or assist in light emission, thereby improving the consistency of the overall lighting.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of the drawings

Figure 1 is a schematic diagram of a luminous keyboard according to an embodiment of the present invention;

Figure 2 is a partial top view of the luminous keyboard in Figure 1;

Figure 3 is a partial exploded view of the luminous keyboard in Figure 1;

Figure 4 is a partial cross-sectional view of the luminous keyboard in Figure 1;

Figure 5 is a partial top view of a luminous keyboard according to another embodiment of the present invention;

Figure 6 is a partial cross-sectional view of the luminous keyboard in Figure 5;

Figure 7 is a partial cross-sectional view of a light-emitting keyboard according to another embodiment of the present invention;

Figure 8 is a partial cross-sectional view of a light-emitting keyboard according to another embodiment of the present invention;

Figure 9 is a partial cross-sectional view of a light-emitting keyboard according to another embodiment of the present invention;

Figure 10 is another partial top view of the luminous keyboard in Figure 1;

Figure 11 is another partial top view of the luminous keyboard in Figure 1;

Figure 12A is a partially exploded schematic diagram of a luminous keyboard according to another embodiment of the present invention;

Figure 12B is a partially exploded schematic view of the backlight module of the embodiment of Figure 12A;

Figure 12C is a partial top view of the light panel of the backlight module of Figure 12B;

Figure 12D is a partial top view of the light shielding plate of the backlight module of Figure 12B;

Figure 13A is a partial top view of a derivative example of the light shielding plate in Figure 12B;

Figure 13B is a partial top view of a derivative example of the light shielding plate in Figure 12B;

Figure 13C is a partial top view of a derivative example of the light shielding plate in Figure 12B;

Figure 13D is a partial cross-sectional schematic diagram of a derivative example of the light shielding plate in Figure 13C;

Figure 14A is a schematic diagram of a light-emitting keyboard according to another embodiment of the present invention;

FIG. 14B is a partial top view of the light shielding plate in the embodiment of FIG. 14A.

Detailed ways

In order to explain the utility model more clearly, the utility model will be further described below in conjunction with the preferred embodiments and the accompanying drawings. Similar parts are designated with the same reference numerals in the drawings. Those skilled in the art should understand that the content described below is illustrative rather than restrictive, and should not be used to limit the scope of the present invention.

The backlight module uses low-power light-emitting units such as Mini LED or Micro LED, which can reduce power consumption, reduce the total heat generated by the backlight module, and reduce the overall thickness of the backlight module, which helps to further make the overall light-emitting keyboard thinner. However, the highly restricted luminous range of Mini LED or Micro LED brings great challenges to the luminous uniformity of single keys and the entire keyboard. The embodiments of the present invention focus on how to achieve a large proportion of the light from the light-emitting unit entering the light guide plate for lateral transmission, and how to effectively recover the light that passes through the light guide plate during the lateral transmission into the light guide plate for reuse.

Please refer to FIG. 1 , which is a schematic diagram of a light-emitting keyboard LKB according to an embodiment of the present invention. As shown in Figure 1, the luminous keyboard LKB includes a backlight module BLM and multiple keys KS. The backlight module BLM is provided with a base plate SUP, and a plurality of buttons KS are arranged on the base plate SUP. Generally speaking, the plurality of keys KS may include square keys and multiple keys (for example, space keys). It should be noted that the number, size and arrangement of the buttons KS can be determined according to the actual application and are not limited to the embodiment illustrated in the figure.

The backlight module BLM includes the light panel LCB, the light guide panel LGP, and the light shielding panel SS. The light guide plate LGP is arranged on the light-emitting lamp panel LCB, and the light shielding plate SS is arranged on the light guide plate LGP. Each key KS on the light-emitting keyboard LKB corresponds to at least one light-emitting unit (for example, a light-emitting diode) on the light-emitting light board LCB of the backlight module BLM.

Please refer to Figures 2 to 4. Figure 2 is a partial top view of the luminous keyboard LKB in Figure 1. Figure 3 is a partial exploded view of the luminous keyboard LKB in Figure 1. Figure 4 is a partial cross-section of the luminous keyboard LKB in Figure 1. picture. As shown in FIGS. 2 to 4 , the light-emitting lamp panel LCB includes two non-intersecting wires LT and HT, two other non-intersecting wires STa and STb, a light-emitting unit LED, a first reflective layer RL1 and a plurality of microstructure areas MS. The light-emitting light board LCB can be a lighting circuit board. The light-emitting unit LED is connected between the two non-intersecting wires STa and STb, and the light-emitting unit LED is connected between the two non-intersecting wires LT and HT via the two non-intersecting wires STa and STb. In this embodiment, the two non-intersecting wires LT and HT are the main driving circuits of the light-emitting unit LED, and the two non-intersecting wires STa and STb are the sub-driving circuits of the light-emitting unit LED, where the wire LT can be a low-potential wire, And the wire HT can be a high potential wire. The light-emitting unit LED can be a white light-emitting diode or a combination of red, green, and blue light-emitting diodes, which can be determined according to the actual application. Generally speaking, the two non-intersecting wires LT and HT will be the main wires with larger cross-sectional areas and can span multiple buttons KS. The two non-intersecting wires LT and HT will not intersect at least within the scope of a single button KS, or they can They do not intersect among multiple adjacent keys KS and within a larger continuous area covering their key gaps. A pair of non-intersecting wires STa and STb arranged within the range of each single button KS are sub-wires with a small cross-sectional area. Although they may be located on the same straight line, the ends of the two non-intersecting wires STa and STb are respectively connected to the light-emitting unit LED. two electrodes, so the two non-intersecting wires STa and STb do not overlap.

The first reflective layer RL1 is disposed on the two non-intersecting wires LT and HT and the other two non-intersecting wires STa and STb. A plurality of microstructure regions MS are formed on the first reflective layer RL1. In this embodiment, the microstructure region MS may be a concave-convex structure formed on the first reflective layer RL1. For example, the light-emitting light board LCB can be composed of a flexible circuit board, and copper mesh (coppermesh) is commonly used to enhance the support strength of the circuit board. The first reflective layer RL1 can be formed by spraying reflective paint or covering the reflective film on the surface of the flexible circuit board (including the surface of the copper mesh). The grid structure of the copper mesh will cause the first reflective layer RL1 to form regular concave points (grid points) and convex areas (grid lines). These concave points and convex areas have reflective functions and can reflect light back to the light guide plate. LGP; In practical applications, the copper wire area (two non-intersecting wires LT and HT and the other two non-intersecting wires STa and STb) can also become a protruding linear reflection area. In principle, the copper mesh does not overlap with the two non-intersecting conductors LT and HT on the flexible circuit board, nor does it electrically connect the two non-intersecting conductors STa and STb. However, in practical applications, the copper mesh has a radio frequency interference shielding effect. Therefore, the copper network may be connected to the ground of the driving circuit. However, in practical applications, not any reflective layer covering the copper mesh and lines can produce a concave and convex reflective structure. If the first reflective layer RL1 is an independent thin film element, the thickness of the first reflective layer RL1 must be thin enough, for example, lower than the thickness of the copper foil substrate (including adjacent tiled copper mesh and copper wire areas), and the first reflective layer RL1 A high degree of plasticity is required to form concave and convex microstructures in the copper mesh and copper wire areas when covering the copper foil substrate. If the first reflective layer RL1 is formed by ink coating, for example, the coating thickness, ink consistency, coating area control, etc. must be strictly controlled, otherwise the hollows of the original copper foil base material will easily be filled with ink flow, reducing the reflective microstructure. Depth and reflective diffusion effects.

In addition, even if the circuits of the light-emitting lamp board LCB are not made of copper foil, there are neither thick copper circuits nor a copper mesh to enhance the structural strength of the light-emitting lamp board LCB, the first reflective layer RL1 can still be formed with a diffusion effect. microstructure. For example, micro-dot ink is printed on the first reflective layer RL1 to form concave/convex areas as the microstructure area MS; or, an ink with larger-sized reflective particles is selected, and the concave areas are formed simultaneously when spraying or printing the first reflective layer RL1 / The convex area is used as the microstructure area MS; or, if the first reflective layer RL1 is a layer of reflective film, the surface of the selected reflective film can be used as a microstructure as long as it has reflective particles with medium to low flatness and an uneven reflective surface. Structural area MS.

In this embodiment, within the scope of a single button KS, the multiple microstructure areas MS include two internal microstructure areas IMS and two external microstructure areas OMS, where the two internal microstructure areas IMS are located on two non-intersecting wires. between LT and HT, and the two external microstructure areas OMS are located outside the two non-intersecting wires LT and HT. The patterns of the two inner microstructure areas IMS may be different from the patterns of the two outer microstructure areas OMS, but are not limited thereto. The light-emitting unit LED is located between multiple microstructure areas MS, that is to say, the light-emitting unit LED is located between two inner microstructure areas IMS and also between two outer microstructure areas OMS.

In this embodiment, the two non-intersecting wires STa and STb divide the two internal microstructure areas IMS, so the two non-intersecting wires STa and STb are also located between the two internal microstructure areas IMS; similarly, the two non-intersecting wires STa and STb are also located between the two internal microstructure areas IMS. The non-intersecting wires LT and HT respectively divide an external microstructure area OMS and two internal microstructure areas IMS. Therefore, it can also be said that the two non-intersecting wires LT and HT are respectively located in an external microstructure area OMS and two internal microstructures. between regional IMS. In some embodiments, the aforementioned multiple microstructure areas MS, whether the outer microstructure area OMS or the inner microstructure area IMS, do not overlap with the two non-intersecting wires LT and HT, nor overlap with the two non-intersecting wires STa. , STb overlap; for example, this is the case when the lines of the light-emitting light panel LCB are matched with copper wires and copper mesh. If the microstructure area MS on the first reflective layer RL1 is only surface-treated rather than formed from the underlying copper mesh or other substrates, multiple microstructure areas MS/OMS/IMS may overlap with the two non-intersecting wires LT and HT. , or overlap with two non-intersecting wires STa and STb. The light guide plate LGP has a light guide plate hole L0, and the light emitting unit LED is located in the light guide plate hole L0. The top surface of the light guide plate LGP close to the light guide plate hole L0 may have adhesive surrounding the light guide plate hole L0 to adhere the light shielding plate SS, and/or the bottom surface of the light guide plate LGP close to the light guide plate hole L0 may have adhesive surrounding the light guide plate hole L0 Glue to adhere the light-emitting lamp board LCB. In addition, the light guide plate LGP also has multiple microstructure areas LMS. The multiple microstructure areas LMS of the light guide plate LGP correspond to the positions of the inner hole Sc and the peripheral hole SUPH of the base plate SUP, so as to guide the light transmitted in the light guide plate LGP upward. sold out. Under the orthographic projection of the peripheral hole SUPH of the base plate SUP, the microstructure area LMS of the light guide plate LGP can at least partially overlap with the multiple microstructure areas MS of the first reflective layer RL1 of the light emitting lamp panel LCB, which can especially increase the penetration of the inner surface. The light emission effect of the hole Sc and the peripheral hole SUPH improves the brightness of the corner symbols (external light-transmitting area KC1) of the keycap KCC. The internal microstructure area IMS on the first reflective layer RL1 of the light-emitting lamp panel LCB close to the light-emitting unit LED can be used as a means of optical adjustment when the light emitted near the light-emitting unit LED is excessively weakened, such as the mask layer of the light-shielding sheet SS The area of the internal mask part ML0 of ML is too large, or the light transmittance of the internal reflective part RL0 of the second reflective layer RL2 is too low. At this time, the internal microstructure of the first reflective layer RL1 of the light-emitting lamp panel LCB close to the light-emitting unit LED The structural area IMS can improve the light emission effect of the internal light-transmitting area KC0 passing through the inner hole Sc or the keycap KCC.

A better way to optimize the MS/OMS/IMS configuration of the multiple microstructure areas mentioned above is to set the two non-intersecting wires STa and STb and the other two non-intersecting wires LT and HT as close as possible to any of the base plate SUP. The rib area or frame area (such as annular rib Sr0, bridge rib Sr1, support frame Sf) overlaps, so that the aforementioned multiple microstructure areas MS/OMS/IMS will be able to correspond to the microstructure area LMS of the light guide plate LGP, and can also correspond to the microstructure area LMS of the light guide plate LGP. The peripheral hole SUPH or the inner hole Sc of the base plate SUP can better correspond to the internal light-transmitting area KC0 and the external light-transmitting area KC1 of the keycap KCC. In addition, multiple microstructure areas MS/OMS/IMS may overlap with the annular rib Sr0, the bridge rib Sr1 or the support frame Sf of the base plate SUP. Although these locations cannot emit light, the microstructure area MS/OMS/IMS can assist in guiding the light. The light escaping from the light plate LGP is then guided into the light guide plate LGP for recycling, which contributes to the subsequent light emitting effect of another key KS further outside or even adjacent to it. Of course, the aforementioned microstructure area MS/OMS/IMS can also overlap with the second reflective layer RL2 of the light shielding plate SS, including overlapping with the internal reflective part RL0 and the outer frame part of the second reflective layer RL2, which will help light to be recycled to the guide. Light board LGP.

The light-shielding plate SS is disposed above the plurality of microstructure areas MS. The light shielding plate SS board includes a masking layer ML, a second reflective layer RL2 and a protective layer PL, where the masking layer ML, the second reflective layer RL2 and the protective layer PL can be stacked on each other in various ways. For example, any one of the mask layer ML, the second reflective layer RL2 and the protective layer PL can be stacked on the top, middle or bottom of the light shielding plate SS to form the light shielding plate SS. The mask layer ML is opaque. The second reflective layer RL2 may have both reflective and translucent properties. That is to say, the second reflective layer RL2 may reflect part of the light and allow part of the light to pass through. The mask layer ML can be made of black paint, and the second reflective layer RL2 can be made of white paint, but is not limited thereto. In this embodiment, the mask layer ML has a mask layer hole MLH and an internal mask portion ML0 located in the mask layer hole MLH, and the second reflective layer RL2 has a reflective layer hole RLH and is located in the reflective layer hole RLH. The internal reflection part RL0. The mask layer hole MLH can be larger than, equal to, or smaller than the reflective layer hole RLH, and the internal mask portion ML0 can be larger than, equal to, or smaller than the internal reflective portion RL0, depending on the required luminous effect. The internal mask part ML0 and the internal reflective part RL0 are both located above the light emitting unit LED. In this embodiment, the internal mask portion MLO and/or the internal reflection portion RLO above the light-emitting unit LED is at least partially projected between the two non-intersecting wires LT and HT or the two non-intersecting wires STa and STb.

Each button KS contains a part of the base plate SUP. In this embodiment, the bottom plate SUP has an inner hole Sc, an annular rib Sr0, a plurality of bridging ribs Sr1 and a support frame Sf, wherein the annular rib Sr0 surrounds the inner hole Sc, and a plurality of bridging ribs Sr1 connect the annular rib Sr0 and the support frame Sf. . In addition, there are a plurality of peripheral holes SUPH between the bridge rib Sr1, the annular rib Sr0 and the support frame Sf. In this embodiment, the two internal microstructure regions IMS at least partially overlap with the projections of the inner hole Sc, the annular rib Sr0, the plurality of bridging ribs Sr1 and/or the support frame Sf. Furthermore, the two outer microstructure areas OMS at least partially overlap with the projections of the annular rib Sr0, the plurality of bridging ribs Sr1 and/or the support frame Sf.

The key KS includes the key cap KCC, the support device SSR, the circuit board MEM and the base plate SUP. The keycap KCC is set relative to the base plate SUP. The keycap KCC has an inner light-transmitting area KC0 and a plurality of outer light-transmitting areas KC1. The inner light-transmitting area KC0 and the plurality of outer light-transmitting areas KC1 are surrounded by an opaque area KC2. The positions of the internal light-transmitting area KC0 and the external light-transmitting area KC1 respectively correspond to the positions of the inner hole Sc and the peripheral hole SUPH of the base plate SUP, so that the light emitted by the light-emitting unit LED can pass through the light guide plate LGP, the light shielding plate SS, and the inner hole of the base plate SUP. Sc and the peripheral hole SUPH are projected from the inner light-transmitting area KC0 and the plurality of outer light-transmitting areas KC1 of the keycap KCC. The support device SSR is provided between the keycap KCC and the base plate SUP. When the keycap KCC is pressed, the keycap KCC will move vertically toward the direction of the base plate SUP along with the support device SSR. In addition, a reset component (not shown in the figure), such as a rubber dome, is also provided between the keycap KCC and the base plate SUP, but is not limited to this. The circuit board MEM has a switch corresponding to the button KS, such as a membrane switch or other trigger switch.

From a top view, the light-emitting unit LED, the light guide hole L0, the internal reflective part RL0, the internal mask part ML0, the inner hole Sc, the internal light-transmitting area KC0 and the adhesive around the light guide hole L0 can be located on two non-intersecting wires LT, HT and/or between two non-intersecting wires STa and STb. in other words,

The light-emitting unit LED, the light guide plate hole L0, the internal reflective part RL0, the internal mask part ML0, the inner hole Sc, the internal light-transmitting area KC0 and the adhesive around the light guide hole L0 may be located between the two internal microstructure areas IMS.

As shown in Figure 4, the backlight module BLM also includes a protruding structure BP, where the position of the protruding structure BP corresponds to the position of the light-emitting unit LED, and the protruding structure BP is located between two non-intersecting wires LT and HT. In addition, the protruding structure BP is also located between multiple microstructure areas MS, that is to say, the protruding structure BP is located between two inner microstructure areas IMS and also between two outer microstructure areas OMS. In this embodiment, the protruding structure BP is formed on the light-emitting lamp panel LCB, and the protruding structure BP forms a groove IP to accommodate the light-emitting unit LED, so that the upper surface of the light-emitting unit LED is flush with the upper surface of the light guide plate LGP. Or the upper surface of the light-emitting unit LED is lower than the upper surface of the light guide plate LGP and higher than the lower surface of the light guide plate LGP. Since the light shielding plate SS is disposed on the light guide plate LGP, the upper surface of the light-emitting unit LED will also be flush with or lower than the lower surface of the light shielding plate SS, so that the light shielding plate SS can remain flat and will not It is pushed by the light-emitting unit LED and partially enters the inner hole Sc of the base plate SUP. In this way, the amount of light emitted by the light-emitting unit LED entering the light guide plate LGP can be increased, thereby improving the consistency of the overall light emission. Furthermore, the circuit board MEM may have a switch disposed corresponding to the inner hole Sc of the base plate SUP, so that the switch can partially enter the inner hole Sc of the base plate SUP without interfering with the SS light shielding plate and the light emitting unit LED below it.

Please refer to FIGS. 5 and 6 . FIG. 5 is a partial top view of the luminous keyboard LKB according to another embodiment of the present invention. FIG. 6 is a partial cross-sectional view of the luminous keyboard LKB in FIG. 5 . As shown in FIGS. 5 and 6 , the base plate SUP may not have the above-mentioned inner hole Sc. At this time, the light shield SS remains flat and will not be pushed by the light emitting unit LED. When the base plate SUP does not have the inner hole Sc, the keycap KCC may have no internal light-transmitting area KC0. However, if the keycap KCC has an internal light-transmitting area KC0, the peripheral holes SUPH around the central area of the keycap KCC can be used to emit light, so that the light is projected from the internal light-transmitting area KC0 without the inner hole Sc. In this embodiment, the two non-intersecting wires HT and LT may overlap with the projection of at least one of the at least one external light-transmitting area KC1. As long as the two non-intersecting wires HT and LT meet at least one of the following three conditions, the two non-intersecting wires HT and LT will not affect the light emission of the external light-transmitting area KC1 of the keycap KCC. Condition 1: The two non-intersecting wires HT and LT overlap with the projection of the annular rib Sr0, the bridging rib Sr1 and/or the support frame Sf of the base plate SUP. Condition 2: The two non-intersecting wires HT and LT overlap with the projection of the mask layer ML and/or the second reflective layer RL2 of the light shield SS. Condition 3: The two non-intersecting wires HT and LT overlap with the projection of the opaque area KC2 of the keycap KCC.

Please refer to FIG. 7 , which is a partial cross-sectional view of the luminous keyboard LKB according to another embodiment of the present invention. As shown in FIG. 7 , the protruding structure SP of the backlight module BLM can be formed on the light shielding plate SS, wherein the light-emitting unit LED is located below the protruding structure SP. The position of the protruding structure SP corresponds to the position of the light-emitting unit LED, and the protruding structure SP is located between the two non-intersecting wires LT and HT. In addition, the protruding structure SP is also located between multiple microstructure areas MS, that is to say, the protruding structure SP is located between two inner microstructure areas IMS and also between two outer microstructure areas OMS. In this embodiment, the protruding structure SP can be lower than or slightly enter the inner hole Sc of the base plate SUP, and the upper surface of the light-emitting unit LED is flush with the upper surface of the light guide plate LGP or the upper surface of the light-emitting unit LED is lower than the light guide plate LGP. The upper surface of the light-emitting unit LED is lower than the lower surface of the light shielding plate SS. It should be noted that the protruding structure SP can be pressed back so that the top of the light shielding plate SS under the base plate SUP has a flat surface. In Figure 7, the effect of the protruding structure SP formed on the light-shielding plate SS can come from the fact that the internal reflection portion RL0 on the light-shielding plate SS above the light-emitting unit LED is formed with a curved surface or a slope due to the protruding structure SP; because the straight interior The reflection angle provided by the reflective part RL0 is small, and it is difficult to guide upward light to directly enter the light from the hole wall of the light guide plate hole L0 of the light guide plate LGP.

Please refer to FIG. 8 , which is a partial cross-sectional view of the luminous keyboard LKB according to another embodiment of the present invention. As shown in FIG. 8 , the upper surface of the light-emitting unit LED can be higher than the upper surface of the light guide plate LGP and lower than the lower surface of the light shielding plate SS. That is to say, the upper surface of the light-emitting unit LED can be located between the upper surface of the light guide plate LGP and between the lower surfaces of the visor SS. In other words, if necessary, the light-emitting unit LED can also extend beyond the upper surface of the light guide plate LGP. For example, the protrusion of the protruding structure SP can make room for the thickness of the light-shielding plate SS itself and the thickness of the upper and lower glue layers of the light-shielding plate SS to provide space for accommodating the light-emitting unit LED. space; at this time, the upper surface of the light-emitting unit LED will be located between the lower surface of the base plate SUP and the upper surface of the light guide plate LGP. Thereby, when the upper surface of the light-emitting unit LED is higher than the upper surface of the light guide plate LGP, the protruding structure SP can provide a space for accommodating the light-emitting unit LED to prevent interference between the light-emitting unit LED and the light shielding plate SS.

Please refer to FIG. 9 , which is a partial cross-sectional view of a light-emitting keyboard LKB according to another embodiment of the present invention. As shown in FIG. 9 , the luminous keyboard LKB may not include the protruding structure BP shown in FIG. 4 or the protruding structure SP shown in FIG. 7 . In this embodiment, the upper surface of the light-emitting unit LED is flush with the upper surface of the light guide plate LGP or the upper surface of the light-emitting unit LED is lower than the upper surface of the light guide plate LGP and higher than the lower surface of the light guide plate LGP. In this way, the amount of light emitted by the light-emitting unit LED entering the light guide plate LGP can be increased, thereby improving the consistency of the overall light emission.

Please refer to FIG. 10 , which is another partial top view of the luminous keyboard LKB in FIG. 1 . As shown in FIG. 10 , the plurality of external microstructure areas OMS and the plurality of internal microstructure areas IMS at least partially overlap with the projection of the gaps Gx and Gy between any two adjacent keys KS1 , KS2 and KS3 . Three adjacent buttons KS1, KS2, and KS3 may have three adjacent external microstructure areas OMS, where the three adjacent external microstructure areas OMS are combined together in the X and Y directions. The two external microstructure areas OMS outside the two non-intersecting wires of the light-emitting light panel LCB disposed under a button KS can have the same pattern, which can have the same size, the same shape and the same distance (wires) in the two same areas outside). Within the projection range of a single key KS (for example, a square key), the two outer microstructure areas OMS may have different patterns defined by the key KS. For two adjacent keys KS in the Y direction, two adjacent outer microstructure areas OMS may have different patterns defined by the two adjacent keys KS.

Please refer to FIG. 11 , which is another partial top view of the luminous keyboard LKB in FIG. 1 . As shown in Figure 11, a board hole BH can be opened on the light-emitting lamp panel LCB, where the board hole BH is used for fixing or heat dissipation. A shielding portion MP can be provided on the light-emitting lamp panel LCB, wherein the shielding portion MP surrounds the plate hole BH to shield and absorb light and prevent light from leaking from the plate hole BH. In practical applications, the mask part MP can be a light-absorbing or opaque substrate from the luminescent lamp panel LCB, that is, the first reflective layer RL1, circuit layer, and insulating layer (if any) above the luminescent lamp panel LCB substrate. If necessary), a hole larger than the plate hole BH is opened so that the exposed mask part MP surrounds the plate hole BH. Another approach in practical applications is to coat the upper surface of the first reflective layer RL1 of the light-emitting lamp panel LCB with a layer of masking part MP surrounding the plate hole BH. At this time, the hole size of the first reflective layer RL1 is consistent with the plate hole. BH is similar. The plate hole BH and the shielding part MP on the light-emitting lamp panel LCB may correspond to the plate holes and the shielding part on the light shielding plate SS (not shown in the figure). The hole glue HA on the light-emitting lamp board LCB can be disposed on the mask part MP and surround the board hole BH. The pores HC do not overlap with the external microstructure area OMS or any microstructure. The hole HC without the first reflective layer RL1 may be defined between the first reflective layer RL1 and the plate hole BH. The pore HC without adhesive can be defined between the pore adhesive HA and the plate hole BH. The internal microstructure area IMS (between the two non-intersecting wires HT and LT and/or between the two non-intersecting wires STa and STb) does not overlap with the plate hole BH, the hole glue HA and/or the pore HC. A plurality of adjacent keys KS1, KS2, and KS3 in the X and/or Y directions may have adjacent external microstructure areas OMS that collectively surround the mask part MP, the plate hole BH, the porous glue HA, and/or the pore HC. The mask part MP, the plate hole BH, the hole glue HA and/or the hole HC are located between the two non-intersecting wires HT and LT corresponding to the button KS1 and the two non-intersecting wires HT and LT corresponding to the buttons KS2 and KS3. Furthermore, the mask part MP, the plate hole BH, the hole glue HA and/or the hole HC may be located between the wire LT corresponding to the button KS1 and the wires HT corresponding to the buttons KS2 and KS3. It should be noted that the mask part MP, the pore glue HA and the pores HC are schematically shown at the same position in FIG. 11 . However, the definitions of the mask part MP, the pore glue HA and the pores HC can be clearly understood from the above description.

To sum up, the present utility model prevents the multiple microstructure areas on the lamp board from overlapping with the two non-intersecting wires, thereby making it possible to utilize the specially configured microstructure areas on the luminous lamp board to recycle light or assist in light extraction, thereby Improves overall luminous consistency. In addition, although the technical solution of the present invention is designed to solve the application problem of low-power light-emitting units, the present invention is also suitable for the application of medium- and high-power light-emitting units in backlight modules.

Furthermore, in addition to the brightness of the characters of each keycap KCC (for example, the inner light-transmitting area KC0 and the outer light-transmitting area KC1) must be uniform, the halo generated around each keycap must also achieve uniform luminescence. First of all, the four-side halo of a single button must be consistent; secondly, for two button areas whose shapes and sizes are symmetrically contrasted with each other (for example, two rows of buttons with similar overall shape and length), the corresponding contour halos of the two areas must also be Uniformity requirements must be met. Specifically, most of the keys KS of the luminous keyboard LKB have the same short side length (Y direction), but the long side lengths (X direction) are different. The 26 English letter keys and the row of numeric keys above them are all close to square-shaped single-size keys (single-size) or square keys. When the keycaps are of the same size, each keycap KCC can obtain similar halo brightness by matching the light exit window with the same size on the light shield SS (for example, realized by the reflective layer hole RLH and/or the light shielding layer hole MLH in the aforementioned embodiment). . However, when the sizes of several keycaps in the two key areas are inconsistent, especially when there are multiple square keys in a row and a larger multi-size key in a row, the two key areas (two rows of keys KS1/KS2) The inconsistency between the above-listed outline halo and the following outline halo will be particularly obvious. However, in practical applications, it is not easy to adjust the size of the light exit window alone. If the light-emitting window is too large, the highlights of the microstructure area MS of the backlight module BLM will easily be exposed from the gaps around the keycap; if the light-emitting window is too small, the halo brightness will be greatly reduced. The following embodiments of the present invention will introduce multiple technical solutions to solve related problems.

See Figure 12A to Figure 12D. FIG. 12A is a partially exploded schematic diagram of a light-emitting keyboard according to another embodiment of the present invention. FIG. 12B is a partially exploded schematic view of the backlight module of the embodiment of FIG. 12A. FIG. 12C is a partial top view of the light panel of the backlight module of FIG. 12B. FIG. 12D is a partial top view of the light shielding plate of the backlight module of FIG. 12B. In Figure 12A, the upper row (upper row) includes five (first) keys KS1 (characters C/V/B/N/M), corresponding to the following (lower row) at least one (second) key KS2 (space key ). Although the areas of the keys KS1 are the same and the areas of the keys KS2 and KS1 are different, the overall periphery of the five square keys (keys KS1) is similar to the shape and size of the blank key (keys KS2). The keycaps KCC of the five keys KS1 each have an internal light-transmitting area KC0, and there are no characters on the keycap KCC of the key KS2 that need to be illuminated. The outline halo of the above key KS1 and the following key KS2 will light up around the key skirt to show the single key boundary. In addition, each outline halo of the five buttons KS1 listed above also contributes to the overall peripheral boundary; the overall peripheral boundary of the five buttons KS1 listed above is almost symmetrical to the longer boundary of the button KS2 listed below. Since the key skirt of the key cap KCC is the halo light-emitting position, in this embodiment, the peripheral joint area of the key cap KCC boundaries of the five keys KS1 is defined as the first halo area A1, and the key cap KCC of the key KS2 is defined as the first halo area A1. The boundary is defined as the second halo area A2. The areas of the first halo area A1 and the second halo area A2 are almost the same. The long side of the first halo area A1 is equivalent to the first long side L1 of the overall peripheral boundary of the five buttons KS1 listed above; however, since the five buttons KS1 are designed at intervals, the length of the first long side L1 is equal to five The keycap side length Lx plus four gaps Gx. The length of the long side of the second halo area A2 is equivalent to the length of the second long side L2 of the following key KS2.

Referring to Figure 12B and Figure 12D, on the light shield SS, multiple (5) first light exit windows OW1 are respectively defined corresponding to the positions of the five buttons KS1 listed above and the first halo area A1. The first light exit window OW1 can It is realized by any one of the reflective layer holes RLH or the light-shielding layer holes MLH. In contrast, at least one second light-emitting window OW2 is defined corresponding to the position of the following button KS2 and the second halo area A2. The second light-emitting window OW2 can also be realized by any one of the reflective layer hole RLH or the light-shielding layer hole MLH. The reflective layer holes RLH of the first light exit window OW1 and the second light exit window OW2 may be greater than or equal to the light shielding layer holes MLH, or only one of the reflective layer holes RLH or the light shielding layer holes MLH may be provided. Referring to Figure 9, Figure 12B and Figure 12D together, on the second reflective layer RL2 or the mask layer ML of the light shielding plate SS, a plurality of first light exit windows OW1 define a first frame pattern Pf1, and the first frame pattern Pf1 It includes a plurality of (five) (first) frame portions Pf0 surrounding the plurality of first light exit windows OW1. In contrast, at least one second light-emitting window OW2 defines at least one second frame pattern Pf2, and at least one second frame pattern Pf2 includes at least one (second) frame portion Pf0 surrounding at least one second light-emitting window OW2. Since the short sides of the buttons KS1/KS2 are the same, the first window length WL1 of the entire periphery of the plurality of first light-emitting windows OW1 and the second window length WL2 of the second light-emitting windows OW2 are also the same. That is to say, the lengths of the plurality of first light-emitting windows OW1 are also the same. The first halo area A1 corresponding to a light exit window OW1 and the second halo area A2 corresponding to the second light exit window OW2 have the same area or the same size.

In FIGS. 12B and 12D , the first frame pattern Pf1 and the second frame pattern Pf2 are different from each other. The plurality of first block patterns Pb1 constitute the first column pattern Pr1, and the plurality of second block patterns Pb2 constitute the second column pattern Pr2. Finally, the first column pattern Pr1 and the second column pattern Pr2 are different from each other. It seems impossible to obtain a contour halo similar to that of the first halo area A1 in the second halo area A2. Generally speaking, if you want to achieve a consistent overall outline halo, the second halo area A2 can be compared to the setting of the first halo area A1, using 5 small second light windows OW2 corresponding to the 5 first light windows OW1 . However, in this way, the second frame pattern Pf2 corresponds to the first frame pattern Pf1 and generates four frame ribs Fr. It is impossible to generate halo at the continuous boundary of the second halo area A2 of the blank key (key KS2), that is, it cannot take into account the keys. Single bond border halo for KS2 itself. On the contrary, the first halo area A1 can try to compare the settings of the second halo area A2, and only open an integrated long and narrow first light window OW1 to cover the five buttons KS1. The disadvantage is that without 4 frame ribs Fr, the adjacent two sides of the keycap KCC of the five-button KS1 will be particularly bright, which means that it cannot take into account the five single-key border halos of the five-button KS1 itself. Therefore, the embodiments of the present invention need to introduce additional technical means to solve the above problems. Referring to FIG. 12B, FIG. 12C and FIG. 12D, each dotted line shows components located on other layers of the light-emitting keyboard LKB, or components without clear boundaries. The light-shielding plate SS has a plurality of first block patterns Pb1 and a plurality of second block patterns Pb2. The plurality of first block patterns Pb1 are correspondingly arranged in the first light-emitting window OW1, and the plurality of second block patterns Pb2 are correspondingly arranged in the second light-emitting window OW1. Within the light window OW2. Each of the first block pattern Pb1 and the second block pattern Pb2 is respectively composed of an internal mask part MLO and/or an internal reflection part RLO. The inner mask portion MLO and/or the inner reflective portion RLO may be of equal size or one of the sizes may be larger. The first block pattern Pb1 or the second block pattern Pb2 may also be formed by selecting one of the internal mask part MLO and/or the internal reflection part RLO. In the application of multi-color light-emitting unit LED, each of the first pattern Pb1 and the second pattern Pb2 may further include a colored paint layer to assist in light mixing.

The plurality of first block patterns Pb1 and the plurality of second block patterns Pb2 respectively overlap with the plurality of light emitting units LED. Since the number of LEDs of the two rows of light-emitting units is different, the number of the first (five) patterns Pb1 is also different from the second (three) patterns Pb2; at the same time, the positions of the LEDs of the two rows of light-emitting units are also different, so the first The block pattern Pb1 is also different in position from the second block pattern Pb2. In addition, the plurality of first block patterns Pb1 and the corresponding light-emitting unit LEDs are relatively centered, but the plurality of second block patterns Pb2 and the corresponding light-emitting unit LEDs are relatively close to the two opposite long sides of the second light-emitting window OW2. Moreover, the second block pattern Pb2 close to the first light-emitting window OW1 has fewer corresponding light-emitting units LED. This is because a small amount of light will pass through the light guide plate LGP from below the five buttons KS1 to the second light window OW2 below the button KS2, which can make up for the lack of light on that side. Each first pattern Pb1 can be the same as each other in order to improve the consistency of the character light and outline halo between single keys; but each first pattern Pb1 and the second pattern Pb2 are not the same in order to achieve light The purpose of halo homogenization. For example, although the sizes of the inner mask portions MLO of the first block pattern Pb1 and the second block pattern Pb2 are similar, the first block pattern Pb1 has an internal reflection portion RL0 with a larger diameter. This may be because the button KS1 needs to illuminate the internal light-transmitting area KC0 (characters C/V/B/N/M), and the internal reflective part RL0 can prevent the internal light-transmitting area KC0 (characters C/V/B/N/M) from emitting light. Too much, too harsh. In contrast, the size of the internal reflection part RL0 of the second pattern Pb2 is smaller. Firstly, there is no concern about the internal light-transmitting area KC0. Secondly, the single-key halo of the long side, short side and corner of the button KS2 must be considered, that is, the third The halo boundary of the second halo area A2 allows more light to shine directly. For example, the aforementioned embodiments are used to increase the light emission in the second light emission window OW2 by using various microstructure regions MS or microstructure layers MSL on the first reflective layer RL1 of the light guide plate LGP or the light emitting lamp panel LCB.

For the single-key contour halo of the multiple key itself such as the button KS2, letting the light pass toward the distance in the light guide plate LGP can be said to be the first light path (delayed upward light emission), which is very important for the application of low-brightness light-emitting unit LED It is very necessary. The second light path allows the light to emit upward earlier. It can be between the keycap KCC of the key KS2 without characters and the bottom plate SUP, or between the keycap KCC and the first reflective layer RL1 of the light-emitting light board LCB (exposed to the second light emitting The reflection and diffusion between the parts of the window OW2), and finally the light emerges from the gap between the keycap KCC of the key KS2 and the bottom plate SUP. It can also produce the single-key halo of the key KS2, or the outline halo of the second halo area A2. . Secondly, in the exposed area of the light guide plate LGP or the first reflective layer RL1 of the luminous lamp panel LCB below the second light exit window OW2, a microstructure area MS (or microstructure layer MSL) can be set to overlap the second light exit window OW2 to allow light to enter the second light path. Therefore, the edge of the microstructure area MS close to the second light-emitting window OW2 can provide the light of the first optical path that emerges later; the microstructure area MS close to the plurality of second block patterns Pb2 can provide the second optical path of the light that emerges earlier. light. The microstructure area MS/microstructure layer MSL provided on the first reflective layer RL1 of the luminescent lamp panel LCB has a decisive influence. One is because in the application of low-brightness light-emitting unit LEDs, the lateral transmission distance of light is limited, so light recovery is crucial; the other is because the second light-emitting window OW2 covers 2 less light-emitting unit LEDs than the first light-emitting window OW1, and the light panel The microstructure area MS/microstructure layer MSL on the first reflective layer RL1 of the LCB can recycle light and assist in light extraction, making up for the shortcomings of the light guide plate LGP.

After all, for the key KS2 without characters, there is actually no need for the second pattern Pb2 or the second column pattern Pr2 to block the light emitted by the light-emitting unit LED. The existence of the second block pattern Pb2 or the second column pattern Pr2 helps to adjust the proportion of the light emitting unit LED transmitted through the first light path or the second light path in the second light exit window OW2. Therefore, under the premise that other conditions are not good, this embodiment uses different first row patterns Pr1 and second row patterns Pr2 to achieve the purpose of contour halo uniformity.

Figure 12C shows the configuration of the lines and microstructure area MS on the light-emitting lamp panel LCB. Two pairs of non-intersecting (main) conductors HT/LT respectively pass through 5 upper buttons KS1 and 1 lower button KS2. The plurality of first block patterns Pb1 are respectively located between a pair of non-intersecting (main) conductive lines HT/LT, and the plurality of second block patterns Pb2 are respectively located between another pair of non-intersecting (main) conductive lines HT/LT. In practical applications, each of the first block pattern Pb1 and the second block pattern Pb2 is respectively located between a pair of non-intersecting (sub) wires STa/STb. Just like the microstructure arrangement of the previous embodiment does not overlap with the main HT/LT or the sub-wires STa/STb, the plurality of first block patterns Pb1 are respectively located between a pair of external microstructure areas OMS, and the plurality of second block patterns Pb2 are also respectively located between the pair of external microstructure areas OMS. Located between another pair of external microstructure areas OMS; these external microstructure areas OMS are located outside a pair of non-intersecting main wires HT/LT. At the same time, each first block pattern Pb1 is also located between a pair of internal microstructure areas IMS, and each second block pattern Pb2 is also located between another pair of internal microstructure areas IMS; these internal microstructure areas IMS are located between Within a pair of non-intersecting main conductors HT/LT, and located on opposite sides of a pair of non-intersecting sub-conductors STa/STb. The internal microstructure area IMS/external microstructure area OMS on the first reflective layer RL1 of the light-emitting lamp panel LCB can assist in recycling the light emitted from the light guide plate LGP and return to the light guide plate LGP; because the internal microstructure area IMS/external microstructure area OMS It has a full range of reflection/diffusion effects, and also has the effect of indirectly increasing the light output from the light guide plate LGP.

To sum up, the embodiments of FIGS. 12A to 12D provide a backlight module BLM, which includes a light-emitting lamp panel LCB and a light shielding panel SS. The light-emitting lamp board LCB contains multiple light-emitting unit LEDs, and the multiple light-emitting unit LEDs are arranged in two columns. The light shielding plate SS includes a plurality of first light exit windows OW1 and a plurality of first block patterns Pb1. The plurality of first block patterns Pb1 are disposed in the plurality of first light exit windows OW1. The plurality of first block patterns Pb1 respectively correspond to a plurality of light emitting windows. One of the unit LEDs, a plurality of first block patterns Pb1 constitute a first column pattern Pr1. The light-shielding plate SS also includes at least one second light-emitting window OW2 and a plurality of second block patterns Pb2. The plurality of second block patterns Pb2 are disposed in at least one second light-emitting window OW2. The plurality of second block patterns Pb2 respectively correspond to a plurality of second light-emitting windows OW2. In one of the light-emitting units LED, a plurality of second block patterns Pb2 constitute a second column pattern Pr2. Among them, the entire periphery of the plurality of first light exit windows OW1 has a first window length WL1, and at least one second light exit window OW2 has a second window length WL2. The first window length WL1 and the second window length WL2 have the same length, but the second light exit window OW2 has the same length. The one-column pattern Pr1 is different from the second-column pattern Pr2. Wherein, the light-emitting lamp panel LCB may include a pair of non-intersecting (main) wires HT-LT or a pair of non-intersecting (sub) wires STa-STb, and the first column pattern Pr2 is at least partially located on the pair of non-intersecting wires HT-LT ( or between STa-STb). Wherein, the light-emitting lamp panel LCB may include a pair of spaced apart outer microstructure areas OMS-OMS or a pair of inner microstructure areas IMS-IMS, and at least one of the plurality of first block patterns Pb1 is located in the pair of outer microstructure areas. OMS-OMS or between a pair of internal microstructure areas IMS-IMS. Furthermore, the backlight module BLM is suitable for a light-emitting keyboard LKB having at least one first key KS1 and at least one second key KS2. The at least one second key KS2 is arranged parallel to the at least one first key KS1. Among them, at least one first button KS1 has a first long side L1 on its entire periphery, and at least one second button KS2 has a second long side L2. The first long side L1 and the second long side L2 have the same length, but the first row The pattern Pr1 is different from the second column pattern Pr2.

In addition, FIG. 12C discloses a light-emitting lamp panel LCB that integrates a light-shielding plate SS. The light-emitting light panel LCB includes a light-shielding plate SS, a plurality of light-emitting units LED arranged in two columns, and a first pair of non-intersecting wires HT-LT (or STa- STb) and a second pair of non-intersecting wires HT-LT (or STa-STb). The light shielding plate SS includes a plurality of first light exit windows OW1 and a plurality of first block patterns Pb1. The plurality of first block patterns Pb1 are disposed in the plurality of first light exit windows OW1. The plurality of first block patterns Pb1 respectively correspond to a plurality of light emitting windows. One of the unit LEDs, a plurality of first block patterns Pb1 constitute a first column pattern Pr1. The light-shielding plate SS also includes at least one second light-emitting window OW2 and a plurality of second block patterns Pb2. The plurality of second block patterns Pb2 are disposed in at least one second light-emitting window OW2. The plurality of second block patterns Pb2 respectively correspond to a plurality of second light-emitting windows OW2. In one of the light-emitting units LED, a plurality of second block patterns Pb2 constitute a second column pattern Pr2. Wherein, the first column pattern Pr1 is located between the first pair of non-intersecting wires HT-LT (or STa-STb), and the second column pattern Pr2 is located between the second pair of non-intersecting wires HT-LT (or STa-STb), And the first column pattern Pr1 is different from the second column pattern Pr2.

Various derivative examples of the light shielding plate SS in FIG. 12B and FIG. 12D are introduced below. FIG. 13A is a partial top view of a derivative example of the light shielding plate in FIG. 12B and FIG. 12D. FIG. 13B is a partial top view of a derivative example of the light shielding plate in FIG. 12B and FIG. 12D. FIG. 13C is a partial top view of a derivative example of the light shielding plate in FIG. 12B and FIG. 12D. If there are dotted lines, they show components located on other layers of the luminous keyboard LKB. Figure 13D is a partial cross-sectional schematic diagram of a derivative example of the light shielding plate in Figure 13C.

Referring to Figure 13A, the plurality of second block patterns Pb2 of the second light exit window OW2 of the light shielding plate SS are divided into a first group of second block patterns Pb2 and a second group of second block patterns Pb2. The first group of second block patterns Pb2 is upward. Configuration, the second pattern Pb2 of the second group is configured downward. The second group of second block patterns Pb2 is close to the plurality of first light-emitting windows OW1, the first group of second-block patterns Pb2 is far away from the plurality of first light-emitting windows OW1, and the number (3) of the first group of second block patterns Pb2 is greater than that of the first group of second block patterns Pb2. The number of the second group of patterns Pb2 (2 pieces). The number of light-emitting unit LEDs corresponding to the first group of second block patterns Pb2 is also greater than the number of light-emitting unit LEDs corresponding to the second group of second block patterns Pb2. This characteristic trend is consistent with Figure 12B and Figure 12D. The difference is that in Figure 13A, the first pattern Pb1 and the second pattern Pb2 have the same number, and the number of their corresponding light-emitting unit LEDs is also the same; in other words, there are two more light-emitting unit LEDs in the range of the second light-emitting window OW2. If necessary, the setting of the microstructure region MS in the second light-emitting window OW2 in FIG. 13A can reduce the density or area, or adjust the proportion of light emitted through the first light path and the second light path to cope with the increase in the number of LEDs in the light-emitting unit. In addition, even if the number of LEDs in the light-emitting units is the same, the distribution of the multiple second block patterns Pb2 in the long axis direction of the second light output window OW2 does not need to all correspond to the multiple first block patterns Pb1 in order to provide the same The first light exit window OW1 has a consistent overall outline halo around the periphery.

Referring to FIG. 13B , even if the first frame pattern Pf1 and the second frame pattern Pf2 have the same number of shapes, the first column pattern Pr1 and the second column pattern Pr2 may be different from each other due to different positions. In Figure 13B, the number of the first pattern Pb1 and the second pattern Pb2 are the same, and the number of their corresponding light-emitting units LED is also the same; this is the same as Figure 13A. In FIG. 13A, FIG. 12B, and FIG. 12D, the first block pattern Pb1 and the second block pattern Pb2 are different, while in FIG. 13B, the first block pattern Pb1 and the second block pattern Pb2 are the same as each other. In addition, the two second block patterns Pb2 (and the two light-emitting units LED) on the opposite sides correspond to the two first block patterns Pb1 (and the two light-emitting units LED) on the opposite sides of the first light outlet window OW1. Even completely symmetrical. This configuration helps the brightness of the four corner halos on the two opposite outer sides of the second light exit window OW2 to be closer to the four corner haloes on the two opposite outer sides of the entire periphery of the plurality of first light exit windows OW1. In addition, the second frame pattern Pf2 has one or more notches OP, corresponding to one or more non-light-emitting elements Rs on the light-emitting lamp panel LCB. Since the non-light-emitting element Rs occupies the space between the first reflective layer RL1 and the external microstructure area OMS, the light brightness there may be insufficient, resulting in a localized contour halo that is too weak. The notch OP exposes more of the area of the first reflective layer RL1 of the light-emitting lamp panel LCB, or exposes more of the area of the light guide plate LGP, which can be used with the microstructure layer MSL located on the first reflective layer RL1 or the light guide plate LGP to compensate for the outline light Faint enough. The distance between the three second patterns Pb2 in the middle section of the second light-emitting window OW2 is smaller. This is to prevent the light-emitting unit LED under the second pattern Pb2 from being too close to the non-light-emitting element Rs; because the light guide plate LGP will have holes to accommodate it. These non-light-emitting elements Rs mean that there will be concerns about light leakage there, and it also prevents the light guide plate LGP from setting the microstructure area MS there. Keeping the distance between the light-emitting unit LED and the non-light-emitting element Rs can avoid unnecessary light leakage there. This also makes the distance between the three light-emitting unit LEDs smaller, and the same is true for the distance between the three corresponding second block patterns Pb2.

See Figure 13C, Figure 13D and Figure 12D. In FIG. 12D, the first frame pattern Pf1 and the second frame pattern Pf2 are different. However, in practical applications, since the four corner halos of the first halo area A1 and the second halo area A2 have a decisive effect in defining the halo boundary, the first frame pattern Pf1 and the second frame pattern Pf2 can also be in The four corner parts are partially the same. For example, the original long and narrow second light window OW2 of the second frame pattern Pf2 in Figure 12D is shortened to the second light window OW2a in Figure 13C, and is connected to two smaller second light windows on the left and right that are similar to the first light window OW1. Windows OW2b. Since the shape and size of the two second light exit windows OW2b correspond to the shape and size of the first light exit window OW1, it can be ensured that the four corner halos of the second halo area A2 can be highly close to the four corner halos of the first halo area A1 , Figure 13C sets the first frame pattern Pf1 and the second frame pattern Pf2 to be partially the same at the four corners, which can bring about the effect of uniformizing the corner halo. The disadvantage is that the two frame ribs Fr generated by the settings on both sides of the second frame pattern Pf2 according to the first frame pattern Pf1 are located between the second light-emitting windows OW2a and OW2b. The frame ribs Fr cannot illuminate the second light of the blank key (key KS2). The continuous boundary of the halo area A2 produces a halo. In this embodiment, a plurality of second light-filling windows OW2c are provided at the two additional frame ribs Fr corresponding to the second light-emitting window OW2. At the same time, the light guide plate LGP can be provided with a microstructure layer MSL. The microstructure layer MSL is at least partially connected to the second light-filling window. Window OW2c overlaps to help light out. In this way, the deficiency of the contour halo can be compensated, and together with the second light exit windows OW2a and OW2b, a relatively continuous consistent halo boundary can be provided. The light of these second light-filling windows OW2c can come from the light-emitting unit LED in the middle or the light-emitting units LED on both sides. A microstructure layer MSL can also be provided on the light-emitting lamp panel LCB. The internal microstructure area IMS/external microstructure area OMS of the microstructure layer MSL overlap the frame rib Fr to help recycle light and allow the light to return to the light guide plate LGP to emit light upward or Passed further.

However, the larger second light-emitting window OW2a in Figure 13C only corresponds to one light-emitting unit LED, but it illuminates a halo boundary that is almost as large as the three light-emitting unit LEDs of the three first light-emitting windows OW1 in the middle. Although there is no need to illuminate the characters (button KS2 in Figure 12A), the combination of the low-brightness light-emitting unit LED and the light guide plate LGP is still prone to insufficient light after transverse transmission, so it is necessary to add a microstructure layer MSL to recover the light as much as possible. Referring to Figure 13D together, the microstructure layer MSL can be disposed on the lower surface of the light shielding plate SS (such as the frame microstructure area FMS) and the light-emitting lamp board LCB (such as the internal microstructure area IMS/external microstructure area OMS) at the same time. The two-layer microstructure layer MSL of SS and light-emitting panel LCB can recycle more escaped light back to the light guide plate LGP. In particular, the microstructure layer MSL of the light guide plate LGP may only need to appear in the second fill-in window OW2c, and the two microstructure layers MSL of the light shielding plate SS and the luminous lamp board LCB can overlap with the frame rib Fr, which is helpful for recycling in the The light escaping from the frame rib Fr returns to the light guide plate LGP. The microstructure layer MSL overlapping the frame rib Fr, whether it is provided in the microstructure area LMS of the light guide plate LGP or in the internal microstructure area IMS/external microstructure area OMS of the light-emitting lamp panel LCB, can be regarded as a frame microstructure. Regional FMS. The frame microstructure area FMS is arranged on the light shielding plate SS. In practical applications, a part of the reflective layer RL can be used to form a microstructure with a diffusion effect, or a layer of microstructure area MS can be independently provided under the reflective layer RL. For example, the reflective layer RL uses ink with larger-sized reflective particles. When the reflective layer RL is sprayed or printed, concave/convex areas, or irregular uneven reflective surfaces are simultaneously formed, so that the reflective layer RL itself can form a microstructure area. MS; or, spray or print a layer of ink or paint under the reflective layer RL as an additional microstructure area MS. These microstructure areas MS provided on the light-shielding plate SS do not need to be of regular shape or fixed density, as long as they are easy to adjust through the manufacturing process (such as printing ink).

The following embodiment relates to two similar keys KS1/KS2 symmetrically arranged on the light-emitting keyboard LKB. Please refer to FIGS. 14A and 14B . FIG. 14A is a schematic diagram of a light-emitting keyboard according to another embodiment of the present invention. FIG. 14B is a partial top view of the light shielding plate in the embodiment of FIG. 14A .

The (first) key KS1 (such as the left shift key) and the (second) key KS2 (such as the right shift key) are two multiple keys located on the same straight line (broadly speaking, they are also parallel to each other), with multiple intervals between them. Square keys (keys KS), and keys KS1/KS2 have corresponding light-transmitting areas (character shift) of keycaps KCC. Keys KS1/KS2 are located on opposite sides of the luminous keyboard LKB (all keys between the two are omitted in Figure 14B). Due to the symmetrical position and similar size and shape, generally speaking, the first light window OW1 corresponding to the keys KS1/KS2 and The second light-emitting window OW2 should have a symmetrical first pattern Pb1 and a second pattern Pb2, but this is not the case. The symmetrical first pattern Pb1 and the second pattern Pb2 instead cause the first light-emitting window OW1 and the second light-emitting window OW2 to produce uneven and symmetrical halos. For example, the light-emitting unit LEDs corresponding to the buttons KS1/KS2 belong to different parallel groups on the light-emitting light board LCB. The slight voltage and current difference leads to a difference in brightness of the light-emitting unit LEDs of the buttons KS1/KS2; even if the buttons KS1/KS2 The corresponding light-emitting unit LEDs are all in the same group on the light-emitting lamp board LCB. It may also be due to poor design of the feed points of high-voltage lines and low-voltage lines, resulting in differences in the voltage and current supplied to the light-emitting unit LEDs. Or, because the main lines on both sides of the light-emitting panel LCB are usually arranged side by side or non-light-emitting components are placed, which requires a large space, the optical design corresponding to the buttons KS1/KS2 will be squeezed out. Secondly, in the booming industry trend of gaming keyboards, W/A/S/D adjacent to the button KS1 are regarded as game operation buttons and are given exclusive optical and circuit designs. This also requires the adjacent button KS1 to handle a certain degree of processing. negative effects. In addition, on large-size keyboards (such as those corresponding to 15-17-inch screens), the right Shift key (key KS2) is not a real boundary key. There may be numeric keys on the right side of it, so that only one of the keys KS1/KS2 is The border buttons have different backlight designs. A more basic factor may also be that low-brightness light-emitting unit LEDs are widely used in each key KS of the luminous keyboard LKB. The number is too large (such as about 100), the parallel circuit grouping is too large (such as 15 to 20 groups), and the circuit itself The influence of resistance (such as printed silver paste lines) will cause inconsistencies in basic voltage/current, ultimately making it difficult to adjust each light-emitting unit LED to the same brightness. In order to solve the above problems, the embodiment of the present invention chooses to adjust the first pattern Pb1 and the second pattern Pb2 of the light shielding plate SS as a solution; the advantage is that the light shielding plate SS is a printing process, which is easy to change the design and the cost is relatively low. It is better than adjusting the structure of the light guide plate LGP or the light-emitting lamp panel LCB of the backlight module BLM.

In Figure 14A and Figure 14B, the holes RLH in the reflective layer of the two buttons KS1/KS2 correspond to each other, and the holes MLH in the light shielding layer are also symmetrical. The size, shape and area of the keycap KCC corresponding to the key KS1 in the first halo area A1 and the keycap KCC corresponding to the key KS2 in the second halo area A2 are similar. Similarly, the corresponding first frame pattern Pf1 and the second frame pattern Pf2 have similar size, shape and area. The first light-emitting window OW1 and the second light-emitting window OW2 have similar size, shape and area, and the first window length WL1 and the second window length WL2 are the same or the difference between the first window length WL1 and the second window length WL2 is 2%-25%. between. In Figure 14A and Figure 14B, the character shift is on the outside. Therefore, the configuration of the three light-emitting unit LEDs is such that two of them are closer to the characters and on the outside. This also makes the corresponding two first block patterns Pb1 and the two second block patterns Pb2 is also on the outside. The two first block patterns Pb1 and the two second block patterns Pb2 corresponding to the characters are also close to the short sides of the first light emitting window OW1 and the second light emitting window OW2. The shapes of these first block patterns Pb1 and the second block patterns Pb2 are ( That is, the shape of the internal mask part MLO and/or the internal reflection part RLO) may have one or more straight sides that are partially parallel to the short sides and two long side end sections of the first light exit window OW1 and the second light exit window OW2, Helps provide a consistent contouring glow. The first pattern Pb1 located in the middle even has the largest area of the internal mask part ML0. For example, because the corresponding light-emitting unit LED is the one closest to the high-voltage line feed point, the light-emitting unit LED has problems due to the large current and voltage. Higher brightness requires a larger internal mask part ML0 area for light fine-tuning. In addition to the various factors mentioned above, the two first block patterns Pb1 and the two second block patterns Pb2 corresponding to the characters must also take into account the uniformity of character brightness and halo brightness. Therefore, the first block pattern Pb1 and the second block pattern The pattern Pb2 is different. Even the three first block patterns Pb1 are different from each other, and the three second block patterns Pb2 are also different from each other. Finally, the first column pattern Pr1 and the second column pattern Pr2 are different.

In addition, the uniformity of the halo boundary contributed by the first light exit window OW1 and the second light exit window OW2 can be adjusted with the use of the microstructure layer MSL. If the microstructure layer MSL is arranged on the light guide plate LGP, the local density of the microstructure area MS can be used to directly change the local light emission amount; if the microstructure layer MSL is arranged on the light shielding plate SS (only with the first frame pattern Pf1 and the second (where the frame pattern Pf2 overlaps), or is set on the light-emitting lamp panel LCB, the local density of the microstructure area MS can also be used to directly change the local recovery amount of light that enters the light guide plate LGP, and indirectly change the amount of light that can be recycled by the light guide plate. The microstructure layer MSL of LGP guides the amount of light emitted.

Of course, the microstructure layer MSL of the light shielding plate SS is the one that is easy to change in design and relatively low in cost. Although the microstructure layer MSL of the light shielding plate SS is only provided where it overlaps the first frame pattern Pf1 and the second frame pattern Pf2, it can still contribute to the edge light emission of the first light exit window OW1 and the second light exit window OW2. At the junction of the first light-emitting window OW1 and the first frame pattern Pf1, and near the junction of the second light-emitting window OW2 and the second frame pattern Pf2, the microstructure layer MSL of the light shielding plate SS can separate the light-emitting units corresponding to the two buttons KS1/KS2 The escape light of the LED itself is reflected back to the light guide plate LGP and is locally turned (towards the internal light-emitting unit LED), because the diffusion range of the microstructure layer MSL is actually close to a hemispherical shape. Therefore, the light originally far away from the internal light-emitting unit LED can return to the first light-emitting window OW1 and the second light-emitting window OW2 from below the first frame pattern Pf1 and the second frame pattern Pf2 to emit light in a small amount.

As mentioned earlier, the light from the adjacent button KS may continue to be transmitted to the bottom of the button KS1/KS2 through the light guide plate LGP. If the light from the external light-emitting unit LED adjacent to the button KS escapes at the place where it overlaps the first frame pattern Pf1 and the second frame pattern Pf2, it can also be controlled by adjusting the microstructure layer MSL of the light shield SS there. The amount of light returned to the light guide plate LGP is recycled to adjust the amount of light that can be emitted at the boundary between the first light exit window OW1 and the second light exit window OW2, and finally contributes to the uniformity of the halo.

Each embodiment of the present invention mentions the microstructure area MS/LMS, the internal microstructure area IMS and the external microstructure area OMS, which are all areas composed of multiple microstructures respectively. In practical applications, any microstructure area MS, frame microstructure area FMS and internal microstructure area IMS/external microstructure area OMS can be selectively integrated and provided on one or more microstructure layers MSL. For example, in FIGS. 2 to 11 , the (first) microstructure layer MSL may include an inner microstructure area IMS/an outer microstructure area OMS that are both disposed on the first reflective layer RL1 of the light emitting lamp panel LCB. In FIG. 13D, the (second) microstructure layer MSL can provide a frame microstructure area FMS on the light shielding plate SS. If necessary, a (third) microstructure layer MSL (omitted and not shown) can be provided on the light guide plate LGP. For example, it can include multiple microstructure areas LMS (see Figure 3). The multiple microstructure areas LMS are respectively connected with the light shielding plate. The frame microstructure area FMS of SS and the internal microstructure area IMS/external microstructure area OMS of the first reflective layer RL1 of the light-emitting lamp panel LCB correspond vertically. Of course, the concave and convex structure caused by covering the wires HT/LT/STa/STb on the first reflective layer RL1 on the light-emitting lamp panel LCB can also be regarded as a linear microstructure area MS of the microstructure layer MSL on the light-emitting lamp panel LCB.

To sum up, the present utility model provides a luminous keyboard, a backlight module and a luminous lamp panel, which optimizes the frame pattern/block pattern of the light shield and makes full use of the microstructure layers from different positions to recycle light. , thereby improving the problem of uneven halo in local areas, not only achieving a uniform effect of contour halo in multiple areas, but also taking into account the uniformity of single-key halo of each button in the area.

Obviously, the above-mentioned embodiments of the present invention are only examples to clearly illustrate the present invention, and are not intended to limit the implementation of the present invention. For those of ordinary skill in the art, based on the above description, Other changes or modifications can also be made in different forms. It is impossible to exhaustively enumerate all the implementation modes here. All obvious changes or modifications derived from the technical solutions of the present utility model are still within the protection scope of the present utility model. .

Claims (19)

1. A backlight module for illuminating multiple keycaps, characterized in that the backlight module includes: A light panel including a plurality of light-emitting units arranged in two rows; and A sunshade panel containing: at least one first light window; A plurality of first block patterns, the plurality of first block patterns are arranged in the at least one first light-emitting window, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of first block patterns Form the first column of patterns; at least one second light exit window; and A plurality of second block patterns, the plurality of second block patterns are arranged in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of second block patterns Form the second column of patterns; Wherein, the entire periphery of the at least one first light exit window has a first window length, the at least one second light exit window has a second window length, the first window length is the same as the second window length, and the first row The pattern is different from this second column pattern. 2. The backlight module of claim 1, wherein the at least one first light-emitting window has the same area. 3. The backlight module of claim 1, wherein the area of the at least one second light exit window is different from the area of the at least one first light exit window. 4. The backlight module of claim 1, wherein the length of the short side of the at least one first light exit window is equal to the length of the short side of the at least one second light exit window. 5. The backlight module of claim 1, wherein the first column pattern defines a first frame pattern surrounding the at least one first light exit window, and the second column pattern defines a second The second frame pattern surrounds the at least one second light exit window, and the first frame pattern is different from the second frame pattern, or the first frame pattern and the second frame pattern are at least partially the same. 6. The backlight module of claim 1, wherein two first light exit windows on opposite sides of the at least one first light exit window and two second second light exit windows on opposite sides of the at least one second light exit window. The light exit windows are the same. 7. The backlight module of claim 1, wherein the backlight module includes at least one pair of non-intersecting wires, and the first column pattern is located between the at least one pair of non-intersecting wires. 8. The backlight module of claim 1, wherein two relatively outer second block patterns among the plurality of second block patterns and two relatively outer ones among the plurality of first block patterns are in shape. The first pattern corresponds to each other in position. 9. The backlight module of claim 1, wherein the backlight module includes a light guide plate and at least one microstructure layer, and the at least one microstructure layer is located between the light shielding plate, the light guide plate and the lamp panel. The surface of at least one of them. 10. The backlight module of claim 1, wherein the backlight module includes at least one microstructure layer, the light shielding plate includes a second frame pattern, and the second frame pattern corresponds to the at least one second light exit window. With the second column pattern, the at least one microstructure layer overlaps at least a portion of the second frame pattern. 11. The backlight module of claim 1, wherein the at least one second light exit window further includes at least one frame rib, and the at least one frame rib has at least one second light filling window. 12. The backlight module of claim 1, wherein at least one of the plurality of first block patterns is the same as at least one of the plurality of second block patterns. 13. The backlight module of claim 1, wherein four corners of the entire periphery of the at least one first light exit window and four corners of the at least one second light exit window are symmetrical to each other. 14. The backlight module of claim 1, wherein the plurality of second block patterns are divided into a first group of second block patterns and a second group of second block patterns, and the first group of second block patterns are close to each other. The at least one first light-emitting window, the second group of second block patterns are away from the at least one first light-emitting window, and the number of the second group of second block patterns is greater than the number of the first group of second block patterns. 15. A backlight module for illuminating multiple keycaps, characterized in that the backlight module contains: A light panel including a plurality of light-emitting units arranged in two rows; and A sunshade panel containing: Multiple first light windows; A plurality of first block patterns, the plurality of first block patterns are arranged in the plurality of first light exit windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of first block patterns Form the first column of patterns; at least one second light exit window; and A plurality of second block patterns, the plurality of second block patterns are arranged in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of second block patterns Form the second column of patterns; Wherein, the light panel further includes a pair of non-intersecting conductors, and the first row of patterns is at least partially located between the pair of non-intersecting conductors. 16. A backlight module for illuminating multiple keycaps, characterized in that the backlight module includes: A light panel including a plurality of light-emitting units arranged in two rows; and A sunshade panel containing: Multiple first light windows; A plurality of first block patterns, the plurality of first block patterns are arranged in the plurality of first light exit windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of first block patterns Form the first column of patterns; at least one second light exit window; and A plurality of second block patterns, the plurality of second block patterns are arranged in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of second block patterns Form the second column of patterns; Wherein, the lamp panel further includes a pair of spaced apart microstructure areas, and at least one of the plurality of first patterns is located between the pair of microstructure areas. 17. A luminous keyboard, characterized by containing: At least one first button; At least one second button is arranged parallel to the at least one first button; and Backlight module, the backlight module contains: A light panel, the light panel includes a plurality of light-emitting units, the plurality of light-emitting units respectively correspond to the at least one first button and the at least one second button; and A sunshade panel containing: at least one first light window; A plurality of first block patterns, the plurality of first block patterns are arranged in the at least one first light-emitting window, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of first block patterns Form the first column of patterns; at least one second light exit window; and A plurality of second block patterns, the plurality of second block patterns are arranged in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of second block patterns Form the second column of patterns; Wherein, the entire periphery of the at least one first button has a first long side, the at least one second button has a second long side, the first long side and the second long side have the same length, and the first row of patterns is the same as the second long side. The second column pattern is different. 18. The luminous keyboard according to claim 17, wherein the at least one first key and the at least one second key are two multiple keys located on the same straight line, and the two multiple keys are separated by a plurality of squares. key, and the at least one first key and the at least one second key have corresponding keycap light-transmitting areas. 19. A luminous lamp panel, characterized by containing: A plurality of light-emitting units, the plurality of light-emitting units are arranged in two columns; a first pair of non-intersecting conductors and a second pair of non-intersecting conductors; and A sunshade panel containing: Multiple first light windows; A plurality of first block patterns, the plurality of first block patterns are arranged in a plurality of first light exit windows, the plurality of first block patterns respectively correspond to one of the plurality of light-emitting units, and the plurality of first block patterns constitute The first column of patterns; at least one second light exit window; and A plurality of second block patterns, the plurality of second block patterns are arranged in the at least one second light-emitting window, the plurality of second block patterns respectively correspond to one of the plurality of light-emitting units, the plurality of second block patterns Form the second column of patterns; The first column of patterns is located between the first pair of non-intersecting conductors, the second column of patterns is located between the second pair of non-intersecting conductors, and the first column of patterns is different from the second column of patterns.