CN111610593A - Processing technology of light guide structure - Google Patents
Processing technology of light guide structure Download PDFInfo
- Publication number
- CN111610593A CN111610593A CN202010260973.4A CN202010260973A CN111610593A CN 111610593 A CN111610593 A CN 111610593A CN 202010260973 A CN202010260973 A CN 202010260973A CN 111610593 A CN111610593 A CN 111610593A
- Authority
- CN
- China
- Prior art keywords
- light guide
- light
- column
- guide plate
- guide structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012545 processing Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 27
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000007639 printing Methods 0.000 claims description 9
- 238000009713 electroplating Methods 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 238000007723 die pressing method Methods 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a processing technology of a light guide structure, which comprises the following steps: s1: designing and manufacturing a light guide structure, wherein the light guide structure comprises a plurality of light guide columns which are not connected with each other and are conducted, the light guide columns comprise two ends which are respectively positioned on different surfaces of the light guide structure, and one surface of light LED in from an LED is conducted to the other surface through the light guide columns; s2: covering a layer of high-reflection material on the surface of the light guide column; s3: processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces; the high-reflection material ensures that light does not overflow from the light guide column and is not absorbed by the light guide column in the transmission process of the light guide column, and the light incident surface and the light emergent surface are processed into smooth surfaces, so that the light only enters and exits from the light incident surface and the light emergent surface, and the light at other positions cannot exit; and then through a plurality of leaded light post that sets up, with the less light source dispersion of one side become more tiny light sources, conduct to the another side for LED light passes through light guide structure and diffuses more.
Description
Technical Field
The invention relates to the application field of light guide structures, in particular to a processing technology of a light guide structure.
Background
Front light modules are widely used in electronic readers, for example, a front light source is placed on a display module to illuminate characters on the display module; at present, as shown in fig. 1, a front light structure includes a flexible Circuit board 101 (FPC for short) for providing a bonding wire for a light source; a double-sided tape 102 connecting the FPC101 and the light guide plate 104 together; an LED 103 providing a light source for the front light; a light guide plate 104 for uniformly spreading the light of the LED 103; according to the current market demand, the electronic reader needs to be charged for a long time, and when the front light source is used for the electronic reader, the minimum number of LEDs, such as 1-4 LEDs, are usually adopted to avoid frequent charging; as shown in fig. 3, when the area of the reader is small, fewer 1-4 left and right LEDs are used as light sources, and after light is diffused through the light guide plate, the light can be uniformly dispersed; however, when the area of the reader is large, the number of LEDs is small, and a significant dark area is formed even after light is diffused through the light guide plate.
Therefore, it is highly desired by the research and development personnel in the field that how to use the light guide structure manufactured by the process to solve the problem of poor consistency of the light emission of the front light source by using fewer LEDs when the light guide structure is applied to the electronic reader.
Disclosure of Invention
The invention provides a processing technology of a light guide structure, which mainly solves the technical problems that: how to use the light guide structure manufactured by the process to solve the problem of poor light emitting consistency of the front light source by adopting fewer LEDs when the light guide structure is applied to an electronic reader through a proper process.
In order to solve the above technical problems, the present invention provides a processing technique of a light guide structure, including:
s1: designing and manufacturing a light guide structure, wherein the light guide structure comprises a plurality of light guide columns which are not connected with each other and are conducted, the light guide columns comprise two ends which are respectively positioned on different surfaces of the light guide structure, and light guided from one surface of the LED is transmitted to the other surface of the LED through the light guide columns;
s2: covering a layer of high-reflection material on the surface of the light guide column;
s3: and processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces.
Optionally, the step S2 includes: and covering a layer of high-reflection material on the surface of the light guide column by an electroplating or printing process.
Optionally, the high-reflection material includes at least one of silicon Si, aluminum Al, titanium Ti, platinum Pt, silver Ag, chromium Cr, and tin Sn.
Optionally, the step S3 includes: and polishing the light incident surface and the light emergent surface of the light guide column.
Optionally, the step S3 includes: and punching or cutting two ends of the light guide column corresponding to the light incident surface and the light emergent surface.
Optionally, the step S1 includes: pressing the light guide plates by the designed molds to obtain an upper light column light guide plate and a lower light column light guide plate;
connecting the upper light column light guide plate and the lower light column light guide plate to obtain the light guide structure;
one end of a light guide column of the light guide structure extends inwards from the side face where at least one short edge of the light guide plate is located and bends, and then is connected with the other end, located on the front face where the long edge of the light guide plate is located, of the light guide structure, and the other ends of the light guide columns are evenly distributed on the front face.
Optionally, a blocking member for blocking the connection of the light guide columns is arranged between the light guide columns.
Optionally, the upper cross section corresponding to the upper light beam guide plate is formed by arranging a plurality of grooves, the lower cross section corresponding to the lower light beam guide plate is vertically symmetrical to the upper cross section, and the grooves of the upper cross section and the grooves of the lower cross section form the light guide beam;
the height of the upper light column light guide plate and the height of the lower light column light guide plate are equal to the height of the groove.
Optionally, the distance between the grooves on the side surface of the light guide plate is greater than 0.05mm and less than 0.1 mm.
Optionally, the groove comprises a semi-circle shape, and the height of the semi-circle groove is equal to half of the thickness of the LED.
Advantageous effects
The invention provides a processing technology of a light guide structure, which comprises the following steps: s1: designing and manufacturing a light guide structure, wherein the light guide structure comprises a plurality of light guide columns which are not connected with each other and are conducted, the light guide columns comprise two ends which are respectively positioned on different surfaces of the light guide structure, and light guided from one surface of the LED is transmitted to the other surface through the light guide columns; s2: covering a layer of high-reflection material on the surface of the light guide column; s3: processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces; the high-reflection material ensures that light does not overflow from the light guide column and is not absorbed by the light guide column in the light guide column conduction process, and the light inlet surface and the light outlet surface are processed into smooth surfaces, so that the light only enters and exits from the light inlet surface and the light outlet surface, and the light at other positions cannot exit; and then through the a plurality of leaded light post that sets up, with the less light source dispersion of one side become more tiny light sources, conduct to the another side for LED light passes through light guide structure and diffuses more.
Drawings
FIG. 1 is a schematic diagram of a conventional front light;
FIG. 2 is a schematic view of a conventional front light;
fig. 3 is a flowchart of a processing process of a light guide structure according to an embodiment of the present invention;
fig. 4-1 is a schematic view of a light guide structure according to an embodiment of the present invention;
fig. 4-2 is a partially enlarged view of a light guide structure according to an embodiment of the present invention;
fig. 5 is a schematic side view of a light guide structure according to an embodiment of the present invention;
fig. 6 is a schematic side view of another light guide structure according to the first embodiment of the present invention;
fig. 7 is a schematic side view of another light guide structure according to an embodiment of the present invention;
fig. 8 is a partially enlarged view of another light guide structure according to a first embodiment of the present invention;
fig. 9 is a flowchart of a processing process of a light guide structure according to a second embodiment of the present invention.
Detailed Description
In order that the contents of the present invention will be more readily understood, the present invention will now be described in further detail with reference to the accompanying drawings by way of specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
the present embodiment provides a processing technology of a light guide structure, as shown in fig. 3, the processing technology of the light guide structure includes:
s301: design and preparation light guide structure, light guide structure include that a plurality of is not continuous each other, and the light guide post that switches on, the light guide post will conduct to the another side from the leading-in one side light of LED including being located the both ends of the light guide structure difference face respectively through the light guide post.
S302: covering a layer of high-reflection material on the surface of the light guide column.
S303: and processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces.
In this embodiment, step S302 includes: through an electroplating or printing process, a layer of high-reflection material is covered on the surface of the light guide column to prevent light from overflowing from the light guide column and ensure that the light cannot be absorbed; it is worth noting that all the outer surfaces of the light guide column are covered with a layer of high-reflection material, namely, six surfaces are covered with the high-reflection material; it is understood that the electroplating process is a process of attaching a metal film to the surface of a metal or other material member by electrolysis; the printing process is to transfer the printing material to the surface of the material part through a printing machine; in this embodiment, all outer surfaces of the light guide bar are covered with a layer of highly reflective material through an electroplating or printing process, and the highly reflective material includes at least one of Si, Al, Ti, Pt, Ag, Cr, Sn, such as highly reflective Ag, titania, silica, etc. Of course, silver paste and the like may be printed.
In this embodiment, step S303 includes: polishing the light incident surface and the light emergent surface of the light guide column; the light inlet section and the light outlet section of the light guide column with the covering layer are photographed, so that the light guide column is guaranteed to be a smooth surface only at the light inlet position and the light outlet position, light can enter and exit, and light at other positions cannot exit. It is understood that polishing refers to a process of reducing the roughness of the surface of the light guide bar and removing the coating layer to obtain a bright, flat surface by mechanical, chemical or electrochemical action.
In some embodiments, step S303 comprises: the two ends of the light guide column corresponding to the light incident surface and the light emergent surface are punched or cut, namely the two ends of the light guide column respectively correspond to the light incident surface and the light emergent surface, and the light incident surface and the light emergent surface of the light guide column are smooth and clean by punching or cutting the two ends.
Note that, in the present embodiment, step S301 includes: respectively carrying out die pressing on the light guide plate through a designed die to obtain an upper light column light guide plate and a lower light column light guide plate; connecting the upper light guide plate and the lower light guide plate to obtain a light guide structure, wherein one end of a light guide column of the light guide structure extends and bends inwards from the side face where at least one short edge of the light guide plate is located, and then is connected with the other end of the front face where the long edge of the light guide plate is located, and the other ends of a plurality of light guide columns are uniformly distributed on the front face; that is, the two ends of the light guide pillar are respectively the side surface and the front surface of the light guide pillar, and the area of the side surface is smaller than that of the front surface, so that the light incident surface of the light guide pillar is positioned on the side surface, and the light emergent surface is positioned on the front surface.
As shown in fig. 4-1 and 4-2, the light guide structure 40 includes: a plurality of light guide plates 401, which are disposed in the light guide plates 401 and are not connected to each other, and are conductive to each other, wherein each light guide column 402 includes two ends respectively disposed on different surfaces, and one surface of light introduced from an LED (not shown in the figure) is transmitted to the other surface through the light guide column 402; in this embodiment, as shown in fig. 4-2, the light guide posts 402 are not connected to each other, the shape and size of the light guide posts 402 can be flexibly adjusted according to actual requirements, and preferably, the light guide posts 402 are identical.
The light guide column 402 in this embodiment disperses the light of fewer light sources arranged on the side surface of the light guide structure into more tiny light sources, and the tiny light sources are conducted to the front surface through the path of the light guide column 402; for example, when the light guide plate 401 is rectangular, the side surface is the short side surface, and the front surface is the long side surface, so as to disperse the light with small area into large area.
Specifically, in this embodiment, one end of the light guide pillar 402 extends and bends inward from the side surface of at least one short side of the light guide plate 401, and then is connected to the other end of the front surface of the long side of the light guide plate 401; as shown in fig. 4-1 and 4-2, that is, the light guiding columns 402 may be disposed simultaneously on two side surfaces of the light guiding plate 401, one end of each light guiding column 402 extends inward from two side surfaces of the light guiding plate 401, and is connected to the other end of the front surface of the light guiding plate 401 after being bent by at least two bending angles, wherein the light guiding columns 402 are not overlapped, and the bending angles of the light guiding columns 402 are the same to ensure that the light propagation angles are the same; the LED light paths on both sides follow the light guide pillar 402 to the front surface of the light guide plate 401. In this embodiment, preferably, the other end of the light guide pillar 402 is perpendicular to the front surface of the light guide plate 401, i.e. the light is emitted vertically; of course, in some embodiments, there may be an oblique angle with the front surface of the light guide plate 401, i.e. the light is emitted obliquely. Of course, the light guide bar 402 may also be a single side arrangement extending inwardly from only one side of the light guide plate 401, such as when the light guide structure has only one side with LEDs disposed thereon, one end of the light guide bar 402 extends inwardly from one side.
In some embodiments, one end of the light guide pillar 402 may further extend and bend inward from the surface of the long side of the light guide plate 401, and then connect with the other end of the light guide plate 401, as shown in fig. 4-1, to diffuse and conduct the light source on the left long side surface to the right long side surface through the light guide pillar 402.
In some embodiments, the light guide pillar 402 in the light guide plate 401 may also be arc-shaped, and two ends of the arc-shape are respectively located at the side surface and the front surface. In some embodiments, the light guide pillar 402 inside the light guide plate 401 may also be linear or wavy, and the two ends of the linear or wavy are respectively located at the side surface and the front surface; the shapes of the light guide pillar 402 are only some of the shapes exemplified in the present embodiment, and it should be understood that the shapes of the light guide pillar 402 are not limited to the examples.
It should be noted that, in order to ensure uniform light emitted from the front surface of the light guide plate 401, regardless of the shape of the light guide posts 402, the other ends of the plurality of light guide posts 402 are uniformly distributed on the front surface of the light guide plate 401, that is, the ends of the light guide posts 402 on the front surface of the light guide plate 401 are uniformly distributed and have the same spacing, as shown in fig. 4-1, the spacing may be determined according to the number of the light guide posts 302 and the length of the front surface of the light guide posts 302.
In this embodiment, as shown in fig. 5, the upper cross section corresponding to the upper beam guide plate includes a plurality of grooves 403 arranged and formed, the lower cross section corresponding to the lower beam guide plate is vertically symmetrical to the upper cross section, the grooves 403 of the upper cross section and the grooves 403 of the lower cross section form a light guide beam, that is, the lower cross section is also formed by a plurality of grooves 403 arranged and formed, and the grooves 403 of the upper cross section and the grooves 403 of the lower cross section are aligned vertically and completely coincident; the light guide bar 402 is formed by the grooves 403 of the upper and lower cross sections. It should be noted that the height of the upper light pillar light guide plate and the lower light pillar light guide plate is equal to the height of the groove 403, that is, the minimum height between the upper cross section and the lower cross section is equal to the height of the groove 403, wherein the height a corresponding to the minimum point between the upper cross section and the lower cross section is the thickness of the glue site between the upper light pillar light guide plate and the lower light pillar light guide plate, and the height B of the groove 403 is the height from the minimum point of the groove 403 to the light guide plate 401.
In this embodiment, the height of the groove 403 is equal to half of the thickness of the LED, when the groove 403 is semicircular, the semicircular groove 403 with an upper cross section and the semicircular groove 403 with a lower cross section can be combined to form a whole circle, the diameter of the semicircular groove 403 is equal to the thickness of the LED, so that light emitted by the LED can be completely incident into the whole circle formed by the groove 403, for example, when the LED adopts the 4204 specification, the thickness of the LED is 0.4mm, the diameter of the semicircular groove 403 is 0.4mm, the height of the semicircular groove 403 is 0.2mm, the thickness of the middle connection glue site of the light guide plate 301 is 0.2mm, and the distance between the highest point of the upper cross section and the highest point of the lower cross section is 0. In some embodiments, the recess 403 is also square, trapezoidal, polygonal, etc., and as shown in fig. 6, the recess 403 is polygonal. It can be understood that, in order to ensure uniform distribution at the end of the front surface of the light guide plate 401, there is a space between the semicircular grooves 403 located at the side surface of the light guide plate 401, and preferably, the space between the semicircular grooves 403 located at the side surface of the light guide plate 401 is greater than 0.05 and less than 0.1 mm.
It can be understood that, in order to prevent the LED light from entering between the light guiding columns 402, as shown in fig. 7 and 8, a blocking member for blocking the connection of the light guiding columns is provided between the light guiding columns in this embodiment, that is, the blocking member 403 for blocking the connection of the grooves 403 is provided between the grooves 403, the shape of the blocking member includes but is not limited to a saw-toothed shape, a square concave shape, or a black silk-screen small square, etc., the saw-toothed blocking member is provided between the grooves 403 corresponding to the light guiding columns 402, and the blocking member blocks the light from entering between the light guiding columns, so as to ensure that the light completely passes through; the length of the barrier is of course greater than 0.05 and less than 0.1 mm.
The embodiment provides a processing technology of a light guide structure, and the processing technology comprises the following steps: designing and manufacturing a light guide structure, wherein the light guide structure comprises a plurality of light guide columns which are not connected with each other and are conducted, the light guide columns comprise two ends which are respectively positioned on different surfaces of the light guide structure, and one surface of light LED in from an LED is conducted to the other surface through the light guide columns; covering a layer of high-reflection material on the surface of the light guide column; processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces; the high-reflection material ensures that light does not overflow from the light guide column and is not absorbed by the light guide column in the transmission process of the light guide column, and the light incident surface and the light emergent surface are processed into smooth surfaces, so that the light only enters and exits from the light incident surface and the light emergent surface, and the light at other positions cannot exit;
further, the light guide structure is obtained by processing through a processing technology and comprises a light guide plate and a plurality of light guide columns positioned in the light guide plate, wherein the light guide columns comprise two ends respectively positioned on the side surface of the light guide plate and the front surface of the light guide plate, and the side surface light LED in from the LED is conducted to the front surface through the light guide columns; through a plurality of leaded light post that sets up, disperse into more tiny light sources with the less light source of side, conduct to openly, wherein the frontal area is greater than the side area, through the separation piece between high reflecting material and the leaded light post before guaranteeing that light does not get into the leaded light post, and can not spill, for current light guide plate, the leaded light effect diffuses more.
Example two
For easy understanding, the present embodiment provides a more specific processing technology of a light guide structure, as shown in fig. 9, the processing technology includes:
s901: respectively carrying out die pressing on the light guide plate through a designed die to obtain an upper light column light guide plate and a lower light column light guide plate; and connecting the upper light column light guide plate with the lower light column light guide plate to obtain the light guide structure.
S902: and covering a layer of high-reflection material on the surface of the light guide column by an electroplating or printing process.
S903: and polishing the light incident surface and the light emergent surface of the light guide column.
The high-reflection material ensures that light does not overflow from the light guide column and is not absorbed by the light guide column in the light guide column conduction process, and the light incidence surface and the light emergence surface are processed into smooth surfaces, so that the light only enters and exits from the light incidence surface and the light emergence surface, and the light does not exit from other positions; and then through the a plurality of leaded light post that sets up, with the less light source dispersion of one side become more tiny light sources, conduct to the another side for LED light passes through light guide structure and diffuses more.
Here, the light guide structure processed according to the above processing process is described, as shown in fig. 4-1 and fig. 7, the light guide structure 40 in this embodiment includes a light guide plate 401, a plurality of light guide pillars 402 that are located in the light guide plate 401 and are disconnected with each other and are connected, one end of each light guide pillar 402 extends and bends inward from the side surface of the light guide structure 40, and is connected to the other end located on the front surface of the light guide structure 40, the bending angle of each light guide pillar 402 is the same, and both ends are perpendicular to the light guide structure 40, wherein the end portions of each light guide pillar 402 on the front surface of the light guide plate 401 are uniformly distributed and have the same pitch, so as to ensure that the light emitted from the front surface of the.
In the present embodiment, the surface of the light guide pillar 402 is plated with highly reflective silver to ensure that light does not overflow from the light guide pillar 402 and is not absorbed by the light guide pillar 402.
In this embodiment, as shown in fig. 7, the upper cross section corresponding to the upper light-guiding plate includes a plurality of grooves 403 arranged to form, the lower cross section also includes a plurality of grooves 403 arranged to form, the grooves 403 of the upper cross section and the grooves 403 of the lower cross section are aligned up and down and completely consistent; the light guide column 402 is formed by the grooves 403 of the upper cross section and the lower cross section, the specific grooves 403 are polygonal, the LED is 4204 specification, the thickness of the LED is 0.4mm, the diameter of the groove 403 is 0.4mm, the height of the groove 403 is 0.2mm, the thickness of the middle connecting glue position of the light guide plate 401 is 0.2mm, and the space between the grooves 403 on the side surface of the light guide plate 401 is 0.08 mm; meanwhile, a blocking piece 404 of a concave structure for blocking connection of the grooves 403 is arranged between the grooves 403 corresponding to the cross section of the light guide column 402, so that LED light is prevented from entering between the light guide columns 402, and the length of the blocking piece 404 is 0.08 mm.
The embodiment provides a specific light guide structure processing technology, which comprises the steps of respectively carrying out die pressing on a light guide plate through a designed die to obtain an upper light column light guide plate and a lower light column light guide plate; connecting the upper light guide plate and the lower light guide plate to obtain a light guide structure, covering a layer of high-reflection material on the surface of the light guide column through an electroplating or printing process, and polishing the light incident surface and the light emergent surface of the light guide column; this embodiment still provides a light guide structure who forms through this light guide structure technology processing, compares current light guide plate, disperses into more tiny light sources with the less light source of side, conducts to openly, and wherein the frontal area is greater than the side area, through the separation piece between high reflective material and the leaded light post before guaranteeing that light does not get into the leaded light post, and can not spill over, the light guide effect is more diffused.
It should be understood that the light guide structure provided by this embodiment can be applied to various light emitting fields, for example, it can be made into a front light module applied to a display front light field (which can be a front light module of a terminal such as a television, a display, a mobile phone, etc.). The above applications are only a few exemplified applications of the present embodiment, and it should be understood that the application of the light guiding structure is not limited to the above exemplified fields.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The processing technology of the light guide structure is characterized by comprising the following steps of:
s1: designing and manufacturing a light guide structure, wherein the light guide structure comprises a plurality of light guide columns which are not connected with each other and are conducted, the light guide columns comprise two ends which are respectively positioned on different surfaces of the light guide structure, and light guided from one surface of the LED is transmitted to the other surface of the LED through the light guide columns;
s2: covering a layer of high-reflection material on the surface of the light guide column;
s3: and processing the light incident surface and the light emergent surface of the light guide column into smooth surfaces.
2. The process according to claim 1, wherein said step S2 includes: and covering a layer of high-reflection material on the surface of the light guide column by an electroplating or printing process.
3. The process of claim 2, wherein the highly reflective material comprises at least one of silicon Si, aluminum Al, titanium Ti, platinum Pt, silver Ag, chromium Cr, tin Sn.
4. The process according to claim 1, wherein said step S3 includes: and polishing the light incident surface and the light emergent surface of the light guide column.
5. The process according to claim 1, wherein said step S3 includes: and punching or cutting two ends of the light guide column corresponding to the light incident surface and the light emergent surface.
6. The process according to any one of claims 1 to 5, wherein the step S1 includes: respectively carrying out die pressing on the light guide plate through a designed die to obtain an upper light column light guide plate and a lower light column light guide plate;
connecting the upper light column light guide plate and the lower light column light guide plate to obtain the light guide structure;
one end of a light guide column of the light guide structure extends inwards from the side face where at least one short edge of the light guide plate is located and bends, and then is connected with the other end, located on the front face where the long edge of the light guide plate is located, of the light guide structure, and the other ends of the light guide columns are evenly distributed on the front face.
7. The process of claim 6 wherein the light guide posts have barriers therebetween for blocking the connection of the light guide posts.
8. The process according to claim 6, wherein the upper cross section of the upper beam guide plate is formed by arranging a plurality of grooves, the lower cross section of the lower beam guide plate is vertically symmetrical to the upper cross section, and the grooves of the upper cross section and the grooves of the lower cross section form the light guide beam;
the height of the upper light column light guide plate and the height of the lower light column light guide plate are equal to the height of the groove.
9. The process according to claim 8, wherein the distance between the grooves on the side surface of the light guide plate is greater than 0.05mm and less than 0.1 mm.
10. The process of claim 8, wherein the groove comprises a semi-circle, and the height of the semi-circle groove is equal to half the thickness of the LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260973.4A CN111610593A (en) | 2020-04-03 | 2020-04-03 | Processing technology of light guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010260973.4A CN111610593A (en) | 2020-04-03 | 2020-04-03 | Processing technology of light guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111610593A true CN111610593A (en) | 2020-09-01 |
Family
ID=72199316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010260973.4A Pending CN111610593A (en) | 2020-04-03 | 2020-04-03 | Processing technology of light guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111610593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709277A (en) * | 2021-08-26 | 2021-11-26 | 维沃移动通信有限公司 | Light guide column and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011076790A (en) * | 2009-09-29 | 2011-04-14 | Nichia Corp | Light guide plate and surface light source device including the light guide plate |
| KR20130002801A (en) * | 2011-06-29 | 2013-01-08 | 엘지이노텍 주식회사 | Backlight unit and display apparatus using the same |
| CN104516136A (en) * | 2013-09-27 | 2015-04-15 | 业鑫科技顾问股份有限公司 | Display device, spliced display and backlight module |
| CN204269857U (en) * | 2014-12-18 | 2015-04-15 | Tcl显示科技（惠州）有限公司 | Curved-surface display device and light conduction plate thereof |
| CN105223642A (en) * | 2015-10-16 | 2016-01-06 | 武汉华星光电技术有限公司 | Light guide plate |
-
2020
- 2020-04-03 CN CN202010260973.4A patent/CN111610593A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011076790A (en) * | 2009-09-29 | 2011-04-14 | Nichia Corp | Light guide plate and surface light source device including the light guide plate |
| KR20130002801A (en) * | 2011-06-29 | 2013-01-08 | 엘지이노텍 주식회사 | Backlight unit and display apparatus using the same |
| CN104516136A (en) * | 2013-09-27 | 2015-04-15 | 业鑫科技顾问股份有限公司 | Display device, spliced display and backlight module |
| CN204269857U (en) * | 2014-12-18 | 2015-04-15 | Tcl显示科技（惠州）有限公司 | Curved-surface display device and light conduction plate thereof |
| CN105223642A (en) * | 2015-10-16 | 2016-01-06 | 武汉华星光电技术有限公司 | Light guide plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709277A (en) * | 2021-08-26 | 2021-11-26 | 维沃移动通信有限公司 | Light guide column and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102006026236B4 (en) | Backlight unit | |
| DE69735125T2 (en) | SURFACE LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY, PORTABLE TELEPHONE, AND AN INFORMATION TERMINAL USING THE SURFACE LIGHT SOURCE | |
| DE102005059541B4 (en) | LED light source and backlight module with such | |
| DE69720549T2 (en) | LIGHTING SOURCES AND SYSTEMS | |
| US8847090B2 (en) | Switch module | |
| DE202012008888U1 (en) | Liquid crystal display and LED module for it | |
| CN111665591B (en) | Light guide plate, backlight module and liquid crystal display module | |
| JP2002082624A (en) | Surface illuminant device and surface type display device using the same | |
| CN101149526A (en) | Surface light source apparatus | |
| CN110703367B (en) | Light diffusion lens and light emitting device | |
| DE102008012844A1 (en) | Lighting device for providing background lighting of thin, laminar display device of e.g. mobile phone, has element emitting radiation in certain range, where element is embedded in medium so that radiation is emitted in direction of medium | |
| CN113075808A (en) | Splicing display panel and display device | |
| CN102818143A (en) | Large area light source | |
| CN111610593A (en) | Processing technology of light guide structure | |
| EP4027190A1 (en) | Line recognition device and display device | |
| JP2014186913A (en) | Lighting unit and display device | |
| CN212623172U (en) | Light guide structure, light source assembly and front light module | |
| DE202011105529U1 (en) | Fiber optic structure with keypad structure | |
| KR20160048873A (en) | Light guide plate, planar light source device, and transmissive image display device | |
| EP3163157A1 (en) | Light guiding unit, light guiding device, and lighting and/or signal indicating device | |
| TW200905274A (en) | Light guide panel comprising step structure for back light unit of TFT-LCD | |
| CN212623173U (en) | Light guide structure, light source assembly and front light module | |
| JP2012084327A (en) | Lighting system and liquid crystal display device | |
| CN216160867U (en) | Light guide plate | |
| US7724339B2 (en) | Liquid crystal display with electrical connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |