CN204422807U - A kind of light guide plate, backlight module and display device - Google Patents
A kind of light guide plate, backlight module and display device Download PDFInfo
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- CN204422807U CN204422807U CN201520145919.XU CN201520145919U CN204422807U CN 204422807 U CN204422807 U CN 204422807U CN 201520145919 U CN201520145919 U CN 201520145919U CN 204422807 U CN204422807 U CN 204422807U
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Abstract
The utility model provides a kind of light guide plate, backlight module and display device, relates to display technique field, cannot realize lightening problem for solving large scale backlight module under the prerequisite ensureing enough brightness and homogeneity.Wherein, light guide plate is made up of polylith light guide plate unit spliced, and one side relative with exiting surface in light guide plate has multiple light trough, and light trough is for holding light source.The light that above-mentioned light guide plate is used for light source to send changes area source into, for display device display image provides required light.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of light guide plate, backlight module and display device.
Background technology
At present, liquid crystal display is the main flow of flat display field.Because LCDs itself is not luminous, therefore needing to arrange a backlight module provides enough brightness and the light source be evenly distributed for it, can normal show image.
Classify from structure, backlight module generally comprises side entering type and straight-down negative two kinds of structures.As shown in Figure 1, side entrance back module mainly comprises light guide plate 1 and light source 2, light source 2 is arranged at the side of light guide plate 1, namely by the side light inlet of light guide plate 1, the light sent due to light source 2 transfers to the other end from one end of light guide plate 1, the amount of light can reduce along with the increase with light source distance, when light guide plate size is larger, brightness and homogeneity cannot meet the demands, and because large-sized light guide plate is difficult to injection mo(u)lding, what therefore the size of the backlight module of side entering type structure can not be done is excessive, cannot be applicable to large-sized display.For large-sized display, the backlight module of usual employing straight-down negative structure, as shown in Figure 2, down straight aphototropism mode set mainly comprises diffuser plate 7 and light source 2, light source 2 is positioned at the below of diffuser plate 7, in order to ensure that light is to the brightness on diffuser plate 7 and homogeneity, need to utilize lamp holder 9 to make diffuser plate 7 and light source 2 keep certain spacing, this spacing is light mixing distance, although brightness and homogeneity can be made so not by the restriction of backlight module size, but the overall more thick and heavy shortcoming of backlight module can be brought, if and go to reduce light mixing distance in order to thinning backlight module, brightness and homogeneity will certainly be made again to be deteriorated.
Utility model content
The purpose of this utility model is to provide a kind of light guide plate, backlight module and display device, cannot realize lightening problem for solving large scale backlight module under the prerequisite ensureing enough brightness and homogeneity.
For achieving the above object, the utility model adopts following technical scheme:
First aspect of the present utility model provides a kind of light guide plate, and described light guide plate is made up of polylith light guide plate unit spliced, and one side relative with exiting surface in described light guide plate has multiple light trough, and described light trough is for holding light source.
Optionally, described light guide plate unit comprises light guide plate unit main body and is arranged at the stitching section of described light guide plate unit main body end, and described stitching section is L shape; In the joint of two pieces of light guide plate unit, the stitching section of two pieces of light guide plate unit matches, along on the direction perpendicular to described exiting surface, a stitching section in two stitching sections matched comprises first protruding and the first depression successively, another stitching section comprises the second depression and the second projection successively, described first projection is positioned at described second depression, and described second projection is positioned at described first depression.
Optionally, the described first protruding height protruding described light guide plate unit main body side is greater than the described second protruding height protruding described light guide plate unit main body side; Described first projection comprises the first end face perpendicular to exiting surface, described first depression comprise perpendicular to exiting surface the first side wall and be parallel to the first bottom surface of exiting surface, described second projection comprises the second end face perpendicular to exiting surface, described second depression comprise perpendicular to exiting surface the second sidewall and be parallel to the second bottom surface of exiting surface, have gap between described the first side wall and described second end face, described gap forms described light trough.
Optionally, described first end face and described second sidewall are fitted by optical cement, and the part near described first end face in described first bottom surface is fitted with described second underrun optical cement.
Optionally, the described first protruding height protruding described light guide plate unit main body side equals the described second protruding height protruding described light guide plate unit main body side; Described first projection comprises the first end face perpendicular to exiting surface, described first depression comprise perpendicular to exiting surface the first side wall and be parallel to the first bottom surface of exiting surface, described second projection comprises the second end face perpendicular to exiting surface, described second depression comprise perpendicular to exiting surface the second sidewall and be parallel to the second bottom surface of exiting surface, described the first side wall and described second end face fit, and described light trough is arranged in the described light guide plate unit main body one side relative with exiting surface.
Optionally, described first end face and described second sidewall are fitted by optical cement, and described first bottom surface and described second underrun optical cement are fitted, and described the first side wall and described second end face are fitted by optical cement.
Optionally, described light trough has two relative sidewalls, and one of them sidewall is used for fixed light source.
Optionally, relative with the sidewall for fixed light source in described light trough sidewall have multiple microstructures that the array for mixed light is arranged.
Optionally, described microstructure is zigzag microstructure or graininess microstructure.
Optionally, the one side that described multiple light trough is relative with exiting surface in described light guide plate is uniformly distributed.
Second aspect of the present utility model provides a kind of backlight module, the light guide plate as described in above any one; Be arranged at the light source in the light trough of described light guide plate.
The third aspect of the present utility model provides a kind of display device, comprises above-described backlight module.
In light guide plate provided by the utility model, backlight module and display device, light guide plate is made up of polylith light guide plate unit spliced, and one side relative with exiting surface in light guide plate unit has multiple light trough, and light trough is for holding light source.By forming multiple light trough in light guide plate, providing sufficient light to arrange multiple light source for each light guide plate unit, ensure that light guide plate entirety has higher brightness and homogeneity; Large-sized light guide plate can be formed by adopting the mode of light guide plate unit spliced; And light source is embedded in light guide plate by light trough, thus light source can from the side light inlet of light guide plate, avoids the problem that adopt straight-down negative structure to need to arrange backlight module that light mixing distance brings is thick and heavy; Therefore the technical solution of the utility model is under ensure that backlight module has the prerequisite of stronger brightness and homogeneity, achieves the lightening of large scale backlight module.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of side entrance back module in prior art;
Fig. 2 is the structural drawing of down straight aphototropism mode set in prior art;
The structural representation of a kind of light guide plate that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the partial enlarged drawing of light guide plate stitching portion illustrated in fig. 3;
Fig. 5 is the partial enlarged drawing at light guide plate light trough place illustrated in fig. 3;
The structural representation of the another kind of light guide plate that Fig. 6 provides for the utility model embodiment;
Fig. 7 is the partial enlarged drawing of light guide plate stitching portion illustrated in fig. 6;
Fig. 8 is the partial enlarged drawing at light guide plate light trough place illustrated in fig. 6;
Four kinds of structural drawing of single light guide plate unit in the light guide plate that Fig. 9 a ~ Fig. 9 d provides for the utility model embodiment;
Three kinds of concrete structure figure of the light guide plate that Figure 10 a ~ Figure 10 c provides for the utility model embodiment;
Description of reference numerals:
1-light guide plate; 11-light guide plate unit; 111-light guide plate unit main body;
112-stitching section; 112a-first is protruding; 112a'-second is protruding;
112b-first caves in; 112b'-second caves in; 12-light trough;
13-optical cement; 14-microstructure; 2-light source;
3-reflector plate; 4-diffusion sheet; 5-prismatic lens;
6-diffuser plate; 7-backboard; The holder of 8-lamp;
P1-exiting surface; The one side that p2-is relative with exiting surface; P3-first end face;
P3'-second end face; P4-the first side wall; P4'-second sidewall;
P5-first bottom surface; P5'-second bottom surface.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, below in conjunction with the accompanying drawing in the utility model embodiment, are clearly and completely described the technical scheme in the utility model embodiment.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belong to the scope of the utility model protection.
Present embodiments provide a kind of light guide plate, as shown in Figure 3 and Figure 6, this light guide plate is spliced to form by polylith light guide plate unit 11, and one side p2 relative with exiting surface in light guide plate has multiple light trough 12, and this light trough 12 is for holding light source 2.
By forming multiple light trough 12 in light guide plate, thus multiple light source 2 can be set in light trough 12 provide sufficient light for each light guide plate unit 11, ensure that light guide plate entirety has higher brightness and homogeneity; By the mode adopting light guide plate unit 11 to splice, large-sized light guide plate can be formed; By forming light trough 12 in light guide plate, light source 2 is embedded in light guide plate by light trough 12, thus light source 2 can from the side light inlet of light guide plate, avoiding the problem that backlight module that straight-down negative structure needs light mixing distance to bring is thick and heavy; Therefore the light guide plate that the present embodiment provides can be applicable to large-sized backlight module, has both had stronger brightness and homogeneity, very frivolous again.
In above-described embodiment, between light guide plate unit 11, the mode of splicing specifically can in the following way: as shown in Fig. 9 a ~ Fig. 9 d, light guide plate unit 11 comprises light guide plate unit main body 111 and is arranged at the stitching section 112 of light guide plate unit main body 111 end, and stitching section 112 is L shape; As shown in Figure 3 and Figure 6, in the joint of two pieces of light guide plate unit 11, the stitching section of two pieces of light guide plate unit matches, along on the direction perpendicular to exiting surface p1, a stitching section in two stitching sections matched comprises the first protruding 112a and first depression 112b successively, another stitching section comprises the second depression 112b' and the second protruding 112a' successively, and the first protruding 112a is positioned at the second depression 112b', and the second protruding 112a' is positioned at the first depression 112b.
First protruding 112a can comprise the first end face p3 perpendicular to exiting surface p1, the first depression 112b can comprise perpendicular to exiting surface p1 the first side wall p4 and be parallel to the first bottom surface p5 of exiting surface p1; Second protruding 112a' can comprise the second end face p3' perpendicular to exiting surface p1, the second depression 112b' can comprise perpendicular to exiting surface p1 the second sidewall p4' and be parallel to the second bottom surface p5' of exiting surface p1.
Based on aforesaid connecting method, gap can be had on the one side p2 relative with exiting surface after two pieces of light elements 11 splice, as shown in Figure 3, the height that the first protruding 112a specifically can be made to protrude light guide plate unit main body side is greater than the height that the second protruding 112a' protrudes light guide plate unit main body side, thus has gap between the first side wall p4 and the second end face p3'.This gap can be utilized to form light trough 12, achieve the light trough 12 of formation for holding light source 2 while splicing light guide plate unit 11, thus the p2 face that can not be used in light guide plate unit 11 arranges light trough 12, simplify the complexity of light guide plate unit 11 Design of Dies, provide cost savings.
Now, as shown in Figure 4, the first end face p3 and the second sidewall p4' preferably fits by optical cement 13, and the part near the first end face p3 in the first bottom surface p5 is also fitted by optical cement 16 with the second bottom surface p5'.
It should be noted that, it is not king-sized situation that the shown mode two pieces of light guide plate stitching portions with gap formation light trough 12 of Fig. 3 is particularly useful for single light guide plate unit size.
Certainly, also can in gap formed while light trough 12 arranges light source 2, one side p2 relative with exiting surface in the light guide plate unit main body 111 of light guide plate unit 11 arranges light trough 12, to improve brightness and the homogeneity of light guide plate unit 11, this mode is applicable to the light guide plate unit of various sizes, be particularly useful for only cannot ensureing enough brightness and the situation of homogeneity at stitching portion formation light trough 12 to hold light source 2 when light guide plate unit 11 size is larger, the quantity of light trough 12 set on the p2 face of light guide plate unit main body 111 and arrangement mode can brightness needed for the size of single light guide plate unit 11 and reality and homogeneity standard and determine.
In the present embodiment, two pieces of light guide plate unit 11 can not form gap in stitching portion, as shown in Figure 6, the height that the first protruding 112a specifically can be made to protrude light guide plate unit main body side equals the height that the second protruding 112a' protrudes light guide plate unit main body side, thus the first side wall p4 and the second end face p3' fits.Light trough 12 can be arranged on one side p2 relative with exiting surface in the light guide plate unit main body 111 of light guide plate unit 11.
Now, as shown in Figure 7, first end face p3 and the second sidewall p4' preferably fits by optical cement 13, first bottom surface p5 and the second bottom surface p5' also fits by optical cement 13, and the first side wall p4 and the second end face p3' also fits by optical cement 13, owing to being fitted by 3 faces in light guide plate unit 11 stitching portion, the firmness therefore spliced is higher.
As shown in figs. 5 and 8, light trough 12 has two relative sidewalls, and one of them sidewall can be used for fixed light source 2, thus light can penetrate from light source 2, enters light guide plate unit 11 inner through the sidewall relative with the sidewall of fixed light source.
In order to improve light utilization, increase light guide plate luminance, preferably sidewall relative with the sidewall for fixed light source 2 in light trough 12 can be arranged multiple microstructures 14 that the array that is used for mixed light is arranged, the existence of microstructure 14 can strengthen scattering and the refraction of the light be incident on it, be conducive to mixed light, make light finally from the exiting surface p1 outgoing of light guide plate.The concrete structure of the present embodiment to microstructure 14 does not limit, as long as can mixed light, microstructure 14 such as can be zigzag microstructure or graininess microstructure etc.
In order to ensure the homogeneity of light guide plate luminance, preferably can make multiple light trough 12 one side p2 relative with exiting surface in light guide plate is uniformly distributed.
In the present embodiment, the shape of single light guide plate unit 11 such as can be: (as illustrated in fig. 9) is being caved in along perpendicular to the direction of exiting surface p1 comprising all successively a projection and in the stitching section 112 at light guide plate unit main body 111 two ends; The stitching section 112 of light guide plate unit main body 111 one end is on edge perpendicular to the direction of exiting surface p1 comprising successively a depression and a projection, and (as shown in Fig. 9 b, Fig. 9 c) is being caved in along perpendicular to the direction of exiting surface p1 comprising successively a projection and in the stitching section 112 of the other end; The stitching section 112 at light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively the structure such as a depression and a projection (as shown in figure 9d).It should be noted that, the two ends that Fig. 9 a ~ Fig. 9 d illustrate only light guide plate unit main body 111 all have the situation of stitching section 112, certain light guide plate unit main body 111 also can only have one end to have stitching section 112, and light guide plate unit 11 is now preferably disposed on the edge of whole light guide plate.
When splicing, the mode of splicing can be selected according to the concrete structure of light guide plate unit 11, and mode and the quantity of light trough 12 are set according to the selecting factors such as size, structure, required brightness of actual light guide plate, the light inlet mode of light source can be selected simultaneously, provide the example of several concrete splicing light guide plate unit 11 below.
As shown in Figure 10 a, three light guide plate unit splice successively.The light guide plate unit in left side, the stitching section 112 at its light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively a protruding and depression; Middle light guide plate unit, the stitching section 112 of its light guide plate unit main body 111 one end is along perpendicular to the direction of exiting surface p1 comprising successively a depression and protruding, and the stitching section 112 of the other end is along perpendicular to the direction of exiting surface p1 comprising successively a protruding and depression; The light guide plate unit on right side, the stitching section 112 at its light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively a depression and protruding.Light trough 12 is formed by the gap of stitching portion, and light source 2 is from the left side light inlet of light guide plate unit 11.
As shown in fig. lob, three light guide plate unit splice successively.The light guide plate unit in left side, the stitching section 112 at its light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively a protruding and depression; The light guide plate unit on centre and right side, the stitching section 112 of its light guide plate unit main body 111 one end is along perpendicular to the direction of exiting surface p1 comprising successively a depression and protruding, and the stitching section 112 of the other end is along perpendicular to the direction of exiting surface p1 comprising successively a protruding and depression.Light trough 12 is formed by the gap of stitching portion, and light source 2 is from the right side light inlet of light guide plate unit 11.
As shown in figure l oc, three light guide plate unit splice successively.Left side and the light guide plate unit on right side, the stitching section 112 at its light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively projection and a depression; Middle light guide plate unit, the stitching section 112 at its light guide plate unit main body 111 two ends is along perpendicular to the direction of exiting surface p1 comprising all successively a depression and protruding.What light trough 12 itself was had by light guide plate unit 11 is recessed to form (can think that light trough 12 is arranged on the light guide plate unit 11 one side p2 relative with exiting surface at this), and light source 2 is from left and right sides light inlet.It should be noted that, the light guide plate shown in Figure 10 c is due to from both sides light inlet, and therefore brightness uniformity is better, is particularly useful for middle-sized backlight module, generally between 25 cun to 46 cun.
It should be noted that, the present embodiment is only introduced connecting method for the light guide plate shown by Figure 10 a ~ 10c, those skilled in the art, based on invention thought of the present utility model, can select the light guide plate of other structure to adopt other connecting method to obtain splicing light guide plate.
The present embodiment additionally provides a kind of backlight module, and this backlight module comprises the light guide plate described in the present embodiment, and is arranged at the light source in the light trough of light guide plate.
Owing to defining multiple light trough in light guide plate, therefore, it is possible to arrange multiple light source to provide sufficient light for each light guide plate unit forming light guide plate, ensure that light guide plate entirety has higher brightness and homogeneity; Large-sized light guide plate can be formed by adopting the mode of light guide plate unit spliced, and light source embeds light guide plate by light trough, form side incident type structure, thus avoid the thick and heavy problem of adopt straight-down negative structure to need to arrange backlight module that light mixing distance brings.The backlight module that visible the present embodiment provides ensure that under the prerequisite with stronger brightness and homogeneity, achieves the lightening of large scale backlight module.
The backlight module that the present embodiment provides is except comprising light guide plate and light source, preferably also can comprise: be positioned at the diffusion sheet on exiting surface, the prismatic lens be positioned on diffusion sheet, be positioned at exiting surface relative to the blooming piece such as reflector plate of one side, to improve the light utilization of backlight module further, highlight.
The present embodiment additionally provides a kind of display device, and it comprises above-mentioned backlight module.Relative to other large-sized display device, the display device entirety that the present embodiment provides is more frivolous, and brightness and homogeneity higher.
It should be noted that, the display device that the present embodiment provides can be used for various product or the parts with the passive emission type of Presentation Function such as liquid crystal panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The foregoing is only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (12)
1. a light guide plate, is characterized in that, described light guide plate is made up of polylith light guide plate unit spliced, and one side relative with exiting surface in described light guide plate has multiple light trough, and described light trough is for holding light source.
2. light guide plate according to claim 1, is characterized in that, described light guide plate unit comprises light guide plate unit main body and is arranged at the stitching section of described light guide plate unit main body end, and described stitching section is L shape;
In the joint of two pieces of light guide plate unit, the stitching section of two pieces of light guide plate unit matches, along on the direction perpendicular to described exiting surface, a stitching section in two stitching sections matched comprises first protruding and the first depression successively, another stitching section comprises the second depression and the second projection successively, described first projection is positioned at described second depression, and described second projection is positioned at described first depression.
3. light guide plate according to claim 2, is characterized in that, the described first protruding height protruding described light guide plate unit main body side is greater than the described second protruding height protruding described light guide plate unit main body side;
Described first projection comprises the first end face perpendicular to exiting surface, described first depression comprise perpendicular to exiting surface the first side wall and be parallel to the first bottom surface of exiting surface, described second projection comprises the second end face perpendicular to exiting surface, described second depression comprise perpendicular to exiting surface the second sidewall and be parallel to the second bottom surface of exiting surface, have gap between described the first side wall and described second end face, described gap forms described light trough.
4. light guide plate according to claim 3, is characterized in that, described first end face and described second sidewall are fitted by optical cement, and the part near described first end face in described first bottom surface is fitted with described second underrun optical cement.
5. light guide plate according to claim 2, is characterized in that, the described first protruding height protruding described light guide plate unit main body side equals the described second protruding height protruding described light guide plate unit main body side;
Described first projection comprises the first end face perpendicular to exiting surface, described first depression comprise perpendicular to exiting surface the first side wall and be parallel to the first bottom surface of exiting surface, described second projection comprises the second end face perpendicular to exiting surface, described second depression comprise perpendicular to exiting surface the second sidewall and be parallel to the second bottom surface of exiting surface, described the first side wall and described second end face fit, and described light trough is arranged in the described light guide plate unit main body one side relative with exiting surface.
6. light guide plate according to claim 5, it is characterized in that, described first end face and described second sidewall are fitted by optical cement, and described first bottom surface and described second underrun optical cement are fitted, and described the first side wall and described second end face are fitted by optical cement.
7. the light guide plate according to any one of claim 1 ~ 6, is characterized in that, described light trough has two relative sidewalls, and one of them sidewall is used for fixed light source.
8. light guide plate according to claim 7, is characterized in that, sidewall relative with the sidewall for fixed light source in described light trough has multiple microstructures that the array for mixed light is arranged.
9. light guide plate according to claim 8, is characterized in that, described microstructure is zigzag microstructure or graininess microstructure.
10. the light guide plate according to any one of claim 1 ~ 6, is characterized in that, the one side that described multiple light trough is relative with exiting surface in described light guide plate is uniformly distributed.
11. 1 kinds of backlight modules, is characterized in that, comprising:
Light guide plate as described in any one of claim 1 ~ 10;
Be arranged at the light source in the light trough of described light guide plate.
12. 1 kinds of display device, is characterized in that, comprise backlight module according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145919.XU CN204422807U (en) | 2015-03-13 | 2015-03-13 | A kind of light guide plate, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520145919.XU CN204422807U (en) | 2015-03-13 | 2015-03-13 | A kind of light guide plate, backlight module and display device |
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| Publication Number | Publication Date |
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| CN204422807U true CN204422807U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520145919.XU Expired - Fee Related CN204422807U (en) | 2015-03-13 | 2015-03-13 | A kind of light guide plate, backlight module and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647030A (en) * | 2016-12-27 | 2017-05-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal displayer |
| CN107966760A (en) * | 2018-01-19 | 2018-04-27 | 京东方科技集团股份有限公司 | Light guide plate assembly, backlight module and display device |
| WO2019052294A1 (en) * | 2017-09-12 | 2019-03-21 | Nanoleaf Energy Technology Shenzhen Limited | Systems and methods for providing coupled lighting panels |
| CN111399108A (en) * | 2020-04-15 | 2020-07-10 | 宁波视睿迪光电有限公司 | Light guide plate, backlight module, display module and electronic equipment |
-
2015
- 2015-03-13 CN CN201520145919.XU patent/CN204422807U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647030A (en) * | 2016-12-27 | 2017-05-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal displayer |
| WO2019052294A1 (en) * | 2017-09-12 | 2019-03-21 | Nanoleaf Energy Technology Shenzhen Limited | Systems and methods for providing coupled lighting panels |
| US11543586B2 (en) | 2017-09-12 | 2023-01-03 | Nanoleaf Energy Technology Shenzhen Limited | Systems and methods for providing coupled lighting panels |
| CN107966760A (en) * | 2018-01-19 | 2018-04-27 | 京东方科技集团股份有限公司 | Light guide plate assembly, backlight module and display device |
| CN111399108A (en) * | 2020-04-15 | 2020-07-10 | 宁波视睿迪光电有限公司 | Light guide plate, backlight module, display module and electronic equipment |
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