CN104501045A - Laterally-incoming-type backlight module and light guide plate thereof - Google Patents
Laterally-incoming-type backlight module and light guide plate thereof Download PDFInfo
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- CN104501045A CN104501045A CN201410811966.3A CN201410811966A CN104501045A CN 104501045 A CN104501045 A CN 104501045A CN 201410811966 A CN201410811966 A CN 201410811966A CN 104501045 A CN104501045 A CN 104501045A
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- structured pattern
- micro structured
- guide plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a laterally-incoming-type backlight module and a light guide plate thereof. The laterally-incoming-type backlight module comprises the light guide plate and a light source, the light source comprises a baseplate and a plurality of point light sources, the point light sources are linearly arranged on the baseplate and are opposite to a light incoming side face at surface intervals, the light guide plate comprises a light transmitting plate body, a first microstructure pattern and multiple second microstructure patterns, the light transmitting plate body comprises the light incoming side face, a face light source area and a transition area, the transition area is positioned between the face light source area and the light incoming side face, the first microstructure pattern is distributed in the face light source area, and the second microstructure patterns are projectile-shaped, positioned in the transition area and staggered with the point light sources arranged in the light incoming side face of the light transmitting plate body at intervals. When the point light sources emit light, each second microstructure pattern forms a pseudo light source between any two point light sources so as to fade optical spots.
Description
Technical field
The present invention relates to a kind of light guide plate, and in particular to a kind of light guide plate of side entrance back module.
Background technology
Along with demand and the restriction of modern trend, many luminous product develop towards short and small frivolous external form, make the backlight module in luminous product also reduce the thickness of light guide plate gradually towards slimming.The light guide plate of backlight module comprises exiting surface, the reflecting surface parallel with exiting surface, several light incident sides vertical with exiting surface.The light source of backlight module comprises multiple light emitting diode.Light emitting diode is spaced in a wherein incidence surface, and the light of light emitting diode enters light guide plate from incidence surface, and after being subject to the guiding of light guide plate, and be distributed in exiting surface equably, become the area source of backlight module.
But, because these spaced light emitting diodes have a predetermined light angle of divergence, and there is gap between adjacent light emitting diode, therefore, after light emitting diode emission of light enters light guide plate, the exiting surface of light guide plate is close to its incidence surface place and the relevant position in corresponding each light emitting diode and each gap easily produces the optics bright spot (hot spot) and dark space that are obviously spaced, cause the optical effect of the area source of backlight module not good enough, and the reduction of overall light utilization ratio and the uniformity.
Common settling mode arranges shading housing at the correspondence position of luminous product, makes shading housing cover these optics bright spot and dark spaces.But shading housing cannot cover these optics bright spot and dark spaces all sidedly, consumer still when luminous product is slightly done, may see these optics bright spot and dark spaces from the side of shading housing.
As can be seen here, still there is inconvenience and defect in above-mentioned light guide plate, and needs to be improved further.Therefore, how can effectively solve above-mentioned inconvenience and defect, one of current important research and development problem of real genus, also becomes the target that current association area needs improvement badly.
Summary of the invention
The technical problem to be solved in the present invention is that the optical effect in order to overcome area source in backlight module traditional in prior art is not good enough, and the defect of the reduction of overall light utilization ratio and the uniformity, provides a kind of side entrance back module and its light guide plate.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of side entrance back module, its feature is, comprises:
One light guide plate, comprises:
One printing opacity plate body, comprises the exiting surface of a light incident sides and this light incident sides adjacent, this exiting surface be divided into a source region and around this area source region around district;
One first micro structured pattern, is distributed in this area source region; And
Multiple second micro structured pattern, is positioned at this around district, and along this light incident sides linear array;
And
One light source, comprises:
One substrate; And
Plurality of points light source, linear array is on this substrate, and compartment of terrain is in the face of this light incident sides, and wherein between any two adjacent those spot lights, definition has an interval region, and each those second micro structured pattern is alignd those interval regions one of them;
Wherein the external form of each those the second micro structured pattern cuts open shell type dril partly by an ellipse along its minor axis, this shell type dril has a straight line and a camber line, two ends of this camber line connect two ends of this straight line respectively to form two relative end intersection points respectively, comparatively those end intersection points are closer to this first micro structured pattern for one convex arc summit of this camber line, and the length of this straight line equals the distance between any two adjacent those spot lights.
Preferably, each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by this convex arc summit of this shell type dril.
Preferably, each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by a focus of this ellipse, and wherein this focus is positioned at this shell type dril.
Present invention also offers a kind of light guide plate, its feature is, comprises:
One printing opacity plate body, comprises the exiting surface of a light incident sides and this light incident sides adjacent, this exiting surface be divided into a source region and around this area source region around district;
One first micro structured pattern, is distributed in this area source region; And
A plurality of second micro structured pattern, is positioned at this around district, and along this light incident sides linear array;
Wherein the external form of each those the second micro structured pattern cuts open shell type dril partly by an ellipse along its minor axis, this shell type dril has a straight line and a camber line, two ends of this camber line connect two ends of this straight line respectively to form two relative end intersection points respectively, comparatively those end intersection points are closer to this first micro structured pattern for one convex arc summit of this camber line, and the length of this straight line equals the length of the minor axis of this ellipse.
Preferably, the half of a long axis length of this ellipse should be equaled around a width in district.
Present invention also offers a kind of light guide plate, receive a plurality of spaced spot light with a light incident sides, and then form a side entering type backlight module, its feature is, this light guide plate comprises:
One printing opacity plate body, comprise a source region and a transitional region, this transitional region is long and narrow, and between this area source region and this light incident sides;
One first micro structured pattern, is distributed in this area source region; And
A plurality of second micro structured pattern, each those second micro structured pattern is the shell type drils in an ellipse to be cutd open half along its minor axis, is positioned at this transitional region, and interwoven with those spot lights spaced;
Wherein, when those point light source light-emittings spaced, those second micro structured pattern form pseudo-light source between any two those spot lights spaced, and then desalination optics bright spot.
Preferably, wherein each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by the convex arc summit of this adjacent shell type dril.
Preferably, wherein each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by a focus of this ellipse, and wherein this focus is positioned at this shell type dril.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can be combined, obtain the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
Second micro structured pattern of these shell type drils of the present invention can correspond between any two optics bright spots and provide pseudo-light source, the brightness of homogenising transitional region thus in transitional region, and then the obvious contrast of desalination optics bright spot and dark space.
Accompanying drawing explanation
Fig. 1 is the top view of the side entrance back module of an embodiment of the present invention.
Fig. 2 A is the partial enlarged drawing of the local M of Fig. 1.
Fig. 2 B is the profile schematic diagram of an ellipse.
Fig. 3 is the partial enlarged drawing of the side entrance back module of another embodiment of the present invention, and its profile position is identical with the local M of Fig. 1.
Fig. 4 A ~ Fig. 4 C is the partial enlarged drawing of other comparative examples of the present invention, and its profile position is identical with the local M of Fig. 1.
Description of reference numerals:
10,11: side entrance back module
100: light guide plate
110: printing opacity plate body
111: exiting surface
112: light incident sides
120: the first micro structured pattern
130: the second micro structured pattern
131: optical microstructures
132: straight line
132d: the length of straight line
133: camber line
133p: convex arc summit
133e: end intersection point
140: oval
141: minor axis
142: major axis
143: focus
150: the second micro structured pattern
151: leg-of-mutton diagonal angle
152: leg-of-mutton base
160: the second micro structured pattern
161: the diagonal angle of del
162: the base of del
170: the second micro structured pattern
171,172: foursquare two relative edges
200: light source
210: substrate
220: spot light
221: side
222: envelope
223: light joining
224: interval region
AA: area source region
M: locally
N: around district
T: transitional region
Td: the width of transitional region
Detailed description of the invention
Below will with graphic exposure a plurality of embodiment of the present invention, as clearly stated, the details in many practices will be explained in the following description.But should be appreciated that, the details in these practices is not applied to limit the present invention.That is, in some embodiments of the present invention, the details in these practices is non-essential.In addition, for the purpose of simplicity of illustration, some known usual structures and assembly illustrate in the mode simply illustrated in the drawings.
Fig. 1 shows the top view of the side entrance back module 10 according to an embodiment of the present invention.Fig. 2 A shows the partial enlarged drawing of the local M of Fig. 1.As shown in Fig. 1 and Fig. 2 A, side entrance back module 10 comprises light guide plate 100 and a light source 200.Light guide plate 100 comprises printing opacity plate body 110,1 first micro structured pattern 120 and multiple second micro structured pattern 130.The external form of printing opacity plate body 110 is roughly in tabular, and printing opacity plate body 110 at least comprises an exiting surface 111 and multiple light incident sides 112.Each lateral margin of common around the exiting surface 111 and respectively adjacent exiting surface 111 of these light incident sides 112.First micro structured pattern 120 is positioned on exiting surface 111, and on exiting surface 111, define a source region AA.Remaining area exiting surface 111 without the first micro structured pattern 120 is defined as one around district N.Around district N around area source region AA, and around there is no the first micro structured pattern 120 in district N.A transitional region T (transition area) is called between area source region AA and the long and narrow region wherein between a light incident sides 112 around district N.Second micro structured pattern 130, in shell type dril, is positioned at transitional region T, and shell type dril cuts open shape partly, also known as half elliptic by an ellipse 140 (i.e. the ellipse of mathematics institute's definition, with reference to figure 2B) along its minor axis 141.
Certainly, above-mentioned embodiment is only illustration, because light guide plate 100 is in assembling, usually has an outside framework (Frame) around its surrounding, therefore is defined as above-mentioned around district N by outside framework and light guide plate 100 4 edge overlappings place.But in practice running, with side entrance back modular architecture, because the lamp bar (light bar) adopting multiple spot light composition emulates the line source of traditional cold cathode tube, the necessity that transitional region T has it to exist, but other non-essential existence in three limits.It can thus be appreciated that the first micro structured pattern 120 can cover all areas of printing opacity plate body 110 upper or lower surface except transitional region T.
Light source 200 comprises a substrate 210 and multiple spot light 220.Spot light 220 is such as light emitting diode, and linear array is on substrate 210, and spot light 220 compartment of terrain is in the face of printing opacity plate body 110 is closest to the light incident sides 112 of transitional region T, interwoven with the second micro structured pattern 130.In other words, between any two adjacent spot lights 220, definition has an interval region 224, and each second micro structured pattern 130 is alignd one of them interval region 224 in transitional region T.
So, when these spaced spot lights 220 pairs of light incident sides 112 are luminous and then produce optics bright spot (hot spot) corresponding to spot light 220 on transitional region T, second micro structured pattern 130 of these shell type drils above-mentioned can form pseudo-light source in the position corresponded between wantonly two optics bright spots (hot spot) on transitional region T, allow these optics bright spots produce with these pseudo-light sources mix, the brightness of homogenising transitional region T thus, and then the obvious contrast of desalination optics bright spot and dark space.
More specifically, the profile of the second micro structured pattern 130 of each shell type dril (half elliptic) is made up of a straight line 132 and a camber line 133.This straight line 132 is the above-mentioned minor axis of oval 140 141, close, and the exiting surface 111 that even aligns adjoins the lateral margin of light incident sides 112.Camber line 133 is such as C-shaped or U-shaped, and two ends of camber line 133 connect two ends of straight line 132 respectively to form two relative end intersection point 133e respectively.The convex arc summit 133p of camber line 133 comparatively this two ends intersection point 133e closer to the first micro structured pattern 120.It is emphasized that the lines that shell type dril is defined as described camber line do not have turning point, round and smooth full curve.And its concrete shape can pass through regulation and control half elliptic major axis, minor axis and focal length these three parameters and controls.
In other parts of present embodiment, the width Td of transitional region T is greater than the length 132d of the straight line 132 of above-mentioned second micro structured pattern 130, that is, transitional region T is greater than the length 132d of the straight line 132 of above-mentioned second micro structured pattern 130 from the beeline of light incident sides 112 to area source region AA, make the second micro structured pattern 130 of aforementioned each shell type dril present the half elliptic half-and-half cut open along minor axis by an ellipse.Certainly, the restriction of this non-invention.
In other parts of present embodiment, the length 132d of this straight line 132 equals the distance between any two adjacent spot lights 220, in other words, any two adjacent spot lights 220, i.e. light emitting diode, side 221 faced by having respectively mutually, the end intersection point 133e of above-mentioned shell type dril (half elliptic) and align respectively in these sides 221.But the present invention is not limited thereto, in other embodiments, have the people of usual knowledge in the technical field of the invention, also visual actual needs, the length changing setting straight line is less than the distance between any two adjacent spot lights.
In the present embodiment of part, each second micro structured pattern 130 is made up of multiple optical microstructures 131, and these optical microstructures 131 compartment of terrains distribute.Give an actual example, at 32 inches to 49 inches, on the light guide plate design example of 2mm thickness, with the degree of depth 30 microns, the site that radius is 50 microns realizes above-mentioned optical microstructures 131, second its distribution density of micro structured pattern 130 can be selected according to case between 30% ~ 70%, and described distribution density refers to the gross area of multiple optical microstructures 131 and the area ratio of the second micro structured pattern 130; If this is because the brightness of spot light 220 is comparatively strong, then, when utilizing the second micro structured pattern 130 to emulate pseudo-light source, need closeer or darker optical microstructures 131; Vice versa.Through the checking of actual fabrication sample, it can make the optical uniformity of transitional region T reach more than 75%.But, the present invention is not limited thereto, in other embodiments, there is the people of usual knowledge in the technical field of the invention, also visual actual needs, change and set distribution density as within the scope of other.
In the present embodiment of part, the profile design parameter of the pseudo-light source of described shell type dril can be done by following condition and further estimate: with the envelope 222 of 50% luminous intensity of each spot light 220 for reference data, the envelope 222 of any two adjacent spot lights 220 has a smooth joining 223, and this light joining 223 may be defined as the convex arc summit 133p of shell type dril (half elliptic) the pseudo-light source of corresponding position.Above-mentioned 32 inches with the light guide plate actual design case of 49 inches, spot light 220 selects the envelope 222 of 50% luminous intensity to be benchmark; Certainly, the present invention is not limited thereto, in other embodiments, also can select the envelope of other luminous intensities of spot light, the luminous intensity of such as 40% or 60% is the foundation of design second micro structured pattern 130 scope.
Above-mentioned 32 inches with the light guide plate actual design case of 49 inches, the width Td of transitional region T equals the half of the above-mentioned major axis of oval 140 142 length; That is, transitional region T equals the beeline of convex arc summit 133p to straight line 132 of camber line 133 from the beeline of light incident sides 112 to area source region AA.But the present invention is not limited thereto, in other embodiments, have the people of usual knowledge in the technical field of the invention, also visual actual needs, the width changing setting transitional region also can be greater than the half of the long axis length of above-mentioned ellipse.
Fig. 3 is the partial enlarged drawing of the side entrance back module 11 of another embodiment of the present invention, and its profile position is identical with the local M of Fig. 1.As shown in Figure 3, the structure of the light guide plate of present embodiment is roughly the same with the structure of the light guide plate of above-mentioned embodiment, one of its difference is, the light joining 223 of any two adjacent spot lights 220 is just positioned at one of shell type dril (half elliptic) specified point, is equivalent to the above-mentioned focus 143 cuing open the ellipse 140 before half.
But, the present invention is not limited thereto, in other embodiments, persond having ordinary knowledge in the technical field of the present invention, also visual actual needs, the light joining changing any two adjacent spot lights of setting is positioned between the straight line of above-mentioned specified point and shell type dril (half elliptic), or between the convex arc summit of above-mentioned specified point and shell type dril (half elliptic).
Fig. 4 A ~ Fig. 4 C is the partial enlarged drawing of other comparative examples of the present invention, and its profile position is identical with the local M of Fig. 1.In Figure 4 A, the structure of the light guide plate of this comparative example is roughly the same with the structure of above-mentioned light guide plate, one of its difference is that the second micro structured pattern 150 is triangular in shape, roughly align light incident sides 112 in the base 152 of triangle, the pair of horns 151 on leg-of-mutton base 152 is just positioned at the edge of area source region AA.If when being triangle with the second micro structured pattern 150, inventor according to leg-of-mutton second micro structured pattern 150, above-mentioned 32 inches with in the light guide plate implementation of 49 inches, detecting transitional region T optical uniformity, between 50% ~ 70%.Through comparing, compared to leg-of-mutton second micro structured pattern 150, when the second micro structured pattern is shell type dril, preferably light uniform results can be obtained.
In figure 4b, the structure of the light guide plate of this comparative example is roughly the same with the structure of above-mentioned light guide plate, one of its difference is that the second micro structured pattern 160 is in del, the base 162 of triangle is roughly positioned at the edge of area source region AA, the light incident sides 112 of the pair of horns 161 proper alignment light guide plate 100 on leg-of-mutton base 162.Same, with 32 inches of light guide plate implementation sample tests with 49 inches, if when being del with the second micro structured pattern 160, the optical uniformity of transitional region T is less than 50%.It can thus be appreciated that, compared to the second micro structured pattern 160 of del, when the second micro structured pattern 160 is shell type dril, preferably light uniform results can be obtained.
Finally, in figure 4 c, still with above-mentioned 32 inches with this comparative example of light guide plate implementation of 49 inches, one of its difference be the second micro structured pattern 170 in square, two relative edges 171,172 of square are roughly positioned at edge and the light incident sides 112 of area source region AA respectively.Inventor obtains the optical uniformity of transitional region T, between 60% ~ 75% according to foursquare second micro structured pattern 170.It can thus be appreciated that, compared to foursquare second micro structured pattern 170, when the second micro structured pattern 170 is shell type dril, preferably light uniform results can be obtained.
So, because shell type dril is compared with the light bag shape of points of proximity light source 220, add from above-mentioned each comparative example, only have the second micro structured pattern of shell type dril (half elliptic) just can show preferably light uniform results at the exiting surface of light guide plate.Therefore, the shape of the second micro structured pattern not can equivalent replacement by arbitrary graphic pattern.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (8)
1. a side entrance back module, is characterized in that, comprises:
One light guide plate, comprises:
One printing opacity plate body, comprises the exiting surface of a light incident sides and this light incident sides adjacent, this exiting surface be divided into a source region and around this area source region around district;
One first micro structured pattern, is distributed in this area source region; And
Multiple second micro structured pattern, is positioned at this around district, and along this light incident sides linear array;
And
One light source, comprises:
One substrate; And
Plurality of points light source, linear array is on this substrate, and compartment of terrain is in the face of this light incident sides, and wherein between any two adjacent those spot lights, definition has an interval region, and each those second micro structured pattern is alignd those interval regions one of them;
Wherein the external form of each those the second micro structured pattern cuts open shell type dril partly by an ellipse along its minor axis, this shell type dril has a straight line and a camber line, two ends of this camber line connect two ends of this straight line respectively to form two relative end intersection points respectively, comparatively those end intersection points are closer to this first micro structured pattern for one convex arc summit of this camber line, and the length of this straight line equals the distance between any two adjacent those spot lights.
2. side entrance back module as claimed in claim 1, it is characterized in that, each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by this convex arc summit of this shell type dril.
3. side entrance back module as claimed in claim 1, it is characterized in that, each those spot light has the envelope of one 50% luminous intensity, those envelopes of any two adjacent those spot lights have a smooth joining, this light joining is just by a focus of this ellipse, and wherein this focus is positioned at this shell type dril.
4. a light guide plate, is characterized in that, comprises:
One printing opacity plate body, comprises the exiting surface of a light incident sides and this light incident sides adjacent, this exiting surface be divided into a source region and around this area source region around district;
One first micro structured pattern, is distributed in this area source region; And
A plurality of second micro structured pattern, is positioned at this around district, and along this light incident sides linear array;
Wherein the external form of each those the second micro structured pattern cuts open shell type dril partly by an ellipse along its minor axis, this shell type dril has a straight line and a camber line, two ends of this camber line connect two ends of this straight line respectively to form two relative end intersection points respectively, comparatively those end intersection points are closer to this first micro structured pattern for one convex arc summit of this camber line, and the length of this straight line equals the length of the minor axis of this ellipse.
5. light guide plate as claimed in claim 4, is characterized in that, should equal the half of a long axis length of this ellipse around a width in district.
6. a light guide plate, receives a plurality of spaced spot light with a light incident sides, and then forms a side entering type backlight module, and it is characterized in that, this light guide plate comprises:
One printing opacity plate body, comprise a source region and a transitional region, this transitional region is long and narrow, and between this area source region and this light incident sides;
One first micro structured pattern, is distributed in this area source region; And
A plurality of second micro structured pattern, each those second micro structured pattern is the shell type drils in an ellipse to be cutd open half along its minor axis, is positioned at this transitional region, and interwoven with those spot lights spaced;
Wherein, when those point light source light-emittings spaced, those second micro structured pattern form pseudo-light source between any two those spot lights spaced, and then desalination optics bright spot.
7. light guide plate as claimed in claim 6, it is characterized in that, wherein each those spot light has the envelope of one 50% luminous intensity, and those envelopes of any two adjacent those spot lights have a smooth joining, and this light joining is just by the convex arc summit of this adjacent shell type dril.
8. light guide plate as claimed in claim 6, it is characterized in that, wherein each those spot light has the envelope of one 50% luminous intensity, those envelopes of any two adjacent those spot lights have a smooth joining, this light joining is just by a focus of this ellipse, and wherein this focus is positioned at this shell type dril.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410811966.3A CN104501045B (en) | 2014-12-23 | 2014-12-23 | Laterally-incoming-type backlight module and light guide plate thereof |
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| CN201410811966.3A CN104501045B (en) | 2014-12-23 | 2014-12-23 | Laterally-incoming-type backlight module and light guide plate thereof |
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| CN104501045B CN104501045B (en) | 2017-02-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105929481A (en) * | 2016-07-15 | 2016-09-07 | 周翠敏 | Backlight module and light guide plate thereof |
| CN109738981A (en) * | 2018-12-28 | 2019-05-10 | 深圳市高美福电子有限公司 | The site arrangement and backlight module of lamp shadow phenomenon can be eliminated |
| CN110187430A (en) * | 2019-05-29 | 2019-08-30 | 重庆翰博光电有限公司 | A kind of light guide plate mesh point arrangement and its design method |
| CN111381308A (en) * | 2018-12-28 | 2020-07-07 | 瑞仪光电(南京)有限公司 | Light guide film, combined structure including light guide film, backlight module and display device |
| CN112099257A (en) * | 2020-09-29 | 2020-12-18 | 厦门天马微电子有限公司 | Display module, display device and application method of display module |
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| CN2800298Y (en) * | 2005-05-28 | 2006-07-26 | 群康科技(深圳)有限公司 | Light guide plate and back light module |
| CN101852363A (en) * | 2009-03-31 | 2010-10-06 | 先进开发光电股份有限公司 | Backlight module |
| US20130063971A1 (en) * | 2011-09-13 | 2013-03-14 | Hsin-Wu Lin | Backlight module |
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| CN105929481A (en) * | 2016-07-15 | 2016-09-07 | 周翠敏 | Backlight module and light guide plate thereof |
| CN109738981A (en) * | 2018-12-28 | 2019-05-10 | 深圳市高美福电子有限公司 | The site arrangement and backlight module of lamp shadow phenomenon can be eliminated |
| CN111381308A (en) * | 2018-12-28 | 2020-07-07 | 瑞仪光电(南京)有限公司 | Light guide film, combined structure including light guide film, backlight module and display device |
| CN110187430A (en) * | 2019-05-29 | 2019-08-30 | 重庆翰博光电有限公司 | A kind of light guide plate mesh point arrangement and its design method |
| CN110187430B (en) * | 2019-05-29 | 2024-02-06 | 重庆翰博光电有限公司 | Light guide plate mesh point arrangement structure and design method thereof |
| CN112099257A (en) * | 2020-09-29 | 2020-12-18 | 厦门天马微电子有限公司 | Display module, display device and application method of display module |
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