CN203744045U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN203744045U CN203744045U CN201420148915.2U CN201420148915U CN203744045U CN 203744045 U CN203744045 U CN 203744045U CN 201420148915 U CN201420148915 U CN 201420148915U CN 203744045 U CN203744045 U CN 203744045U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 210000002421 cell wall Anatomy 0.000 claims description 34
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a backlight module and a display device. The backlight module comprises a light guide plate and a light source component, the light guide plate comprises an incident surface and an emergent surface, the light source component is used for generating parallel light rays, multiple first reflecting surfaces are formed on the emergent surface, and the first reflecting surfaces are used for enabling the parallel light rays generated by the light source component and obliquely emitted into the incident surface to be emergent from the emergent surface of the light guide plate in a preset transmission direction after being reflected. By the backlight module, the transmission direction of the emergent light rays on the emergent surface of the light guide plate can be determined, and a viewing angle of the display device is controlled with a preset range.
Description
Technical field
The utility model relates to Display Technique field, relates in particular to a kind of backlight module and display unit.
Background technology
Along with developing rapidly of display technology, liquid crystal display (LCD, Liquid Crystal Display) has become the main flow in demonstration field.LCD is that the electric field driven that forms by two electro-conductive glass liquid crystal is therebetween realized demonstration, because liquid crystal itself is not luminous, conventionally needs backlight module to provide light source for it.
Figure 1 shows that the structural representation of traditional side entrance back module.As shown in Figure 1, this backlight module comprises: light source, LGP and optics module etc., wherein, described light source is generally spot light, the light of spot light transmitting is incident to the incidence surface of LGP, and after the bottom reflection of LGP, from the exiting surface outgoing of LGP, the light of the exiting surface outgoing of LGP is incident to optics module with various angles, enters in liquid crystal panel.The visual angle that the light transmition aspect effect of the exiting surface outgoing of LGP liquid crystal display.
Although now large multi-display is still the wide visual angle of requirement, but at present along with scientific and technological progress, consumer has more multimachine can use in public places display, such as: mobile phone, panel computer etc., when consumer uses display in public places, wish to possess individual privacy, therefore narrow visual angle display becomes a lot of people's hope on the contrary.In currently available technology, can, by paste one deck blooming piece on display panels, the visual angle of display floater be narrowed, but effect be not desirable especially.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and display unit, and it is simple in structure, can make the light of exiting surface of LGP according to predetermined direction of propagation outgoing, makes the viewing angle control of display unit in preset range.
Technical scheme provided by the utility model is as follows:
A kind of backlight module, comprising:
LGP, described LGP comprises incidence surface and exiting surface;
For generation of the light source part of parallel rays, wherein,
On described exiting surface, be formed with multiple the first reflectings surface, described the first reflecting surface is for making after the parallel rays reflection that produce, that be slanted through described incidence surface of described light source part, with a predetermined rising angle from described LGP outgoing.
Further, the incidence surface of described LGP is any one side adjacent with described exiting surface, and described LGP also comprises the bottom surface relative with described exiting surface;
On described bottom surface, be formed with the second reflecting surface, described the second reflecting surface after described light source part parallel rays generation deviation that produce, that be slanted through described incidence surface, is incident to described the first reflecting surface for making.
Further, the exiting surface of described LGP has multiple the first grooves that cave inward and form, and described the first groove comprises the first cell wall and the second cell wall, and wherein said the first trough wall surface, to described incidence surface setting, forms described the first reflecting surface; Relatively described the first cell wall setting of described the second cell wall, and form transmission plane, described transmission plane is incident to described the first reflecting surface for making after the parallel rays transmission of described the second reflecting surface deviation formation.
Further, described transmission plane and described the first reflecting surface are the ramp structure tilting with respect to described exiting surface;
And/or described transmission plane and described the first reflecting surface are the curved-surface structure that can expand light.
Further, the bottom surface of described LGP has to cave inward and is formed with multiple the second grooves, and described the second groove comprises the 3rd cell wall and the 4th cell wall; Wherein, described the 3rd trough wall surface is to described incidence surface setting; Relatively described the 3rd cell wall setting of described the 4th cell wall, forms described the second reflecting surface.
Further, described the second reflecting surface is the ramp structure with respect to the inclined bottom surface of described LGP.
Further, be also provided with the parts that expand for the light with a predetermined rising angle outgoing after described the first reflecting surface reflection is expanded in described exiting surface one side.
Further, described in, expanding parts comprises and multiple described the first reflection line positions multiple concavees lens of corresponding setting one by one.
Further, described light source part comprises: the spot light that is arranged at incidence surface one side of described LGP; And, be converted to the optical alignment element of parallel rays for the divergent rays that described spot light is sent.
Further, described optical alignment element comprises: be arranged at the lens arrangement between described spot light and the incidence surface of described LGP, described lens arrangement is identical with the refractive index of described LGP;
Or described optical alignment element comprises: the divergent rays that can make described spot light send being formed by the incidence surface of described LGP is converted to the incident curved surfaces of parallel rays.
A kind of display unit, comprises backlight module as above.
The beneficial effects of the utility model are as follows:
In such scheme, light source part can produce parallel rays, thereby the light that light source part produces can be slanted through LGP at an angle with the exiting surface of LGP, and the exiting surface of LGP is provided with first reflecting surface that can reflect parallel rays, make the parallel rays of light source part generation after described the first reflecting surface reflection, can propagate outward at the exiting surface of described LGP according to the predetermined direction of propagation, like this, according to the reflection angle of the incident angle of parallel rays and the first reflecting surface, can determine the direction of propagation of emergent ray on the exiting surface of LGP, make the viewing angle control of display unit in preset range.
Brief description of the drawings
Fig. 1 is the structural representation of backlight module provided by the utility model;
The structural representation that Fig. 2 is the backlight module that provides in the utility model embodiment 1;
Fig. 3 is light transmition schematic diagram in the backlight module providing in the utility model embodiment 1;
The structural representation that Fig. 4 is the backlight module that provides in the utility model embodiment 2;
Fig. 5 is A partial structurtes schematic diagram in Fig. 4;
The structural representation that Fig. 6 is the backlight module that provides in the utility model embodiment 3;
The structural representation that Fig. 7 is the backlight module that provides in the utility model embodiment 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figures 1 to 7, the utility model provides a kind of backlight module, and it comprises:
LGP 100, described LGP 100 comprises incidence surface 101 and exiting surface 102;
And, for generation of the light source part 200 of parallel rays;
On described exiting surface 102, be formed with multiple the first reflectings surface 300, described the first reflecting surface 300 is for making after the reflection of described light source part 200 parallel rays that produce, that be slanted through described incidence surface 101, exiting surface 102 outgoing with the direction of propagation be scheduled to from described LGP 100.
In such scheme, light source part 200 can produce parallel rays, thereby the light that light source part 200 produces can be injected LGP 100 according to certain angle, and the first reflecting surface 300 on the exiting surface 102 of LGP 100, the parallel rays that can produce light source part 200 reflects, and make the light can be according to the outgoing from the exiting surface 102 of described LGP 100 of the predetermined direction of propagation, like this, according to the reflection angle of the incident angle of parallel rays and the first reflecting surface 300, can determine the direction of propagation of emergent ray on the exiting surface 102 of LGP 100, make the viewing angle control of display unit in preset range.
Below taking side entrance back module as example, the explanation that backlight module of the present utility model is entered.
In this side entrance back module, the incidence surface 101 of LGP 100 is any one side adjacent with described exiting surface 102, LGP 100 also comprises the bottom surface 103 relative with described exiting surface 102, and light source part 200 is arranged at incidence surface 101 1 sides of LGP 100.
The parallel rays that light source part 200 produces is injected LGP 100 according to certain angle, angle between parallel rays and described exiting surface 102 hour, the first reflecting surface 300 now also can be smaller with respect to the angle of inclination of bottom surface 103, like this, be subject to the thickness limits of LGP 100, the first reflecting surface 300 is difficult for being processed to form; And in the time that the angle between parallel rays and described exiting surface 102 is larger, limited by the thickness of LGP 100 and the exiting surface 102 of LGP 100, the exiting surface 102 of LGP 100 side far away apart from light source part 200 there will be the phenomenon that there is no light incident.In view of this, backlight module provided by the utility model, preferably, as shown in Fig. 2 to 7, on described bottom surface 103, be also formed with the second reflecting surface 400, described the second reflecting surface 400 after described light source part 200 parallel rays generation deviation that produce, that be slanted through described incidence surface 101, is incident to described the first reflecting surface 300 for making.
Adopt such scheme, as shown in Figure 3, the first angle a between the parallel rays that light source part 200 produces and described exiting surface 102 is less, after the second reflecting surface 400 reflections on the bottom surface 103 of LGP 100, and the anti-raw deviation of light, angle after deviation between light and described exiting surface 102 is greater than the first angle a, and be incident to the first reflecting surface 300, like this, the first reflecting surface 300 is larger with respect to the gradient of exiting surface 102, meet process requirements, and it is even to be conducive to light.
In addition,, in the utility model, preferred, described the first reflecting surface 300 can be reflecting surface or fully reflecting surface; Described the second reflecting surface 400 can be reflecting surface or fully reflecting surface.
In addition, in the utility model, further preferred, as shown in Figures 2 to 7, the exiting surface 102 of described LGP 100 has multiple the first grooves 30 that cave inward and form, described the first groove 30 comprises the first cell wall and the second cell wall, and wherein said the first trough wall surface arranges to described incidence surface 101, forms described the first reflecting surface 300; Relatively described the first cell wall setting of described the second cell wall, and form transmission plane 301, described transmission plane 301 is incident to described the first reflecting surface 300 for making after the parallel rays transmission of described the second reflecting surface 400 deviations formation.
Adopt such scheme, the parallel rays that light source part 200 produces is slanted through in LGP 100, and be incident on the second reflecting surface 400 of LGP 100 bottom surfaces 103, after the second reflecting surface 400 deviations, be incident on the transmission plane 301 of the first groove 30, and after the first groove 30 transmissions, on the first reflecting surface 300 that incident is formed by the first cell wall of described the first groove 30, finally after described the first reflecting surface 300 reflection, from described LGP 100 with a predetermined rising angle outgoing.
It should be noted that, in such scheme, to utilize the first cell wall of the first groove 30 forming on exiting surface 102 to form described the first reflecting surface 300, described the first reflecting surface 300 can be to form by plate highly reflective material (as: silver) on the first cell wall, and in actual applications, described the first reflecting surface 300 can be to be also formed at by other means on the exiting surface 102 of described LGP 100, for example: on the exiting surface 102 of LGP 100, be provided with multiple parallelogram prisms, wherein in parallelogram prism towards the incidence surface 101 of described LGP 100, and the faceted pebble being obliquely installed with respect to the exiting surface 102 of described LGP 100 is coated with reflecting material as the first reflecting surface 300, will not enumerate at this.
In addition, in the utility model, preferred, the bottom surface 103 of described LGP 100 has to cave inward and is formed with multiple the second grooves 40, and described the second groove 40 comprises the 3rd cell wall and the 4th cell wall; Wherein said the 3rd trough wall surface arranges to described incidence surface 101; Relatively described the 3rd cell wall setting of described the 4th cell wall, forms described the second reflecting surface 400.
It should be noted that, in such scheme, to utilize the second groove 40 is set on the bottom surface 103 of LGP 100, form described the second reflecting surface 400 by the 4th cell wall of the second groove 40, described the second reflecting surface 400 can be to form by plate highly reflective material (as: silver) on the 4th cell wall of the second groove 40, in actual applications, described the second reflecting surface 400 can be to be also formed at by other means on the bottom surface 103 of described LGP 100, for example: on the bottom surface 103 of LGP 100, be provided with multiple parallelogram prisms, wherein in parallelogram prism towards the incidence surface 101 of described LGP 100, and the faceted pebble being obliquely installed with respect to the exiting surface 102 of described LGP 100 can be used as the second reflecting surface 400, will not enumerate at this.
Several preferred embodiments of backlight module provided by the utility model are below described.
Embodiment 1
Fig. 2 and Figure 3 shows that the structural representation of the first embodiment of backlight module provided by the utility model.As shown in Figures 2 and 3, in the present embodiment, described backlight module comprises:
LGP 100, described LGP 100 comprises incidence surface 101, with the exiting surface 102 of described incidence surface 101 adjacency and with described exiting surface 102 relative bottom surface 103, on described exiting surface 102, be formed with multiple the first grooves 30, the first cell wall arranging towards described incidence surface 101 in described the first groove 30 forms the first reflecting surface 300, second cell wall relative with described the first cell wall forms transmission plane 301, on described bottom surface 103, be formed with multiple the second grooves 40, in described the second groove 40, form the second reflecting surface 400 with respect to the 4th cell wall of the 3rd cell wall towards described incidence surface 101,
And, can produce the light source part 200 of parallel rays;
Wherein, described transmission plane 301, described the first reflecting surface 300 and described the second reflecting surface 400 are with respect to described exiting surface 102(bottom surface 103) tilt ramp structure.
In the present embodiment, preferred, described the first groove 30 and described the second groove 40 are the V-shaped trough body structure in cross section.
In such scheme, because the second reflecting surface 400 is ramp structure, therefore, the parallel rays that light source part 200 produces remains parallel rays after the second reflecting surface 400 deviations, and the parallel rays after deviation can be incident to described transmission plane 301 according to a confirmable angle; Transmission plane 301 is ramp structure, and, after described transmission plane 301 transmissions, light can be incident to the first reflecting surface 300 according to a confirmable angle again; Because the first reflecting surface 300 is ramp structure, the emergent ray being reflected to form by the first reflecting surface 300 can exiting surface 102 outgoing from LGP 100 according to the predetermined direction of propagation, for example: the emergent ray being reflected to form by the first reflecting surface 300 is exiting surface 102 outgoing from LGP 100 according to the direction of propagation vertical with the exiting surface 102 of LGP 100; Or the emergent ray being reflected to form by the first reflecting surface 300 is exiting surface 102 outgoing from LGP 100 according to the direction of propagation having angle with exiting surface 102 shapes of LGP 100.
In the present embodiment, preferred, described transmission plane 301 is perpendicular with the light after described the second reflecting surface 400 deviations, can not produce like this refraction effect, and the while drops to the loss of the Fresnel of light minimum, and also easily controls for the direction of propagation of light.
The present embodiment taking the emergent ray that reflected to form by the first reflecting surface 300 according to the direction of propagation vertical with the exiting surface 102 of LGP 100 from the situation of exiting surface 102 outgoing of LGP 100 as example, this backlight module is specifically described.
Particularly, in the present embodiment, as shown in Figure 3, between the parallel rays that described light source part 200 produces and described LGP 100 bottom surfaces 103, form the first angle a, between described the second reflecting surface 400 and described LGP 100 bottom surfaces 103, form the first slanted angle b,, the light after described the second reflecting surface 400 deviations and the second angle between the bottom surface 103 of described LGP 100 are a+2b; The the second slanted angle c forming between described transmission plane 301 and described LGP 100 bottom surfaces 103 is 90+a+2b, and the 3rd slanted angle d between described the first reflecting surface 300 and the bottom surface 103 of described LGP 100 is 135-a-b.Adopt such scheme, can make from the direction of propagation of light and the exiting surface 102 of described LGP 100 of exiting surface 102 outgoing of described LGP 100 vertical, thereby, the visual angle of constriction display unit.
What certainly can understand is, in actual applications, can also be by regulating the angle of inclination of incident angle, the first reflecting surface 300, the second reflecting surface 400 and transmission plane 301 of the parallel rays that described light source part 200 produces, to obtain the display unit of different visual angles, will not enumerate at this.
In addition,, in the present embodiment, preferred, described light source part 200 comprises: the spot light 201 that is arranged at incidence surface 101 1 sides of described LGP 100; And, be converted to the optical alignment element 202 of parallel rays for the divergent rays that described spot light 201 is sent.Further preferred, described optical alignment element 202 comprises: be arranged at the lens arrangement between described spot light 201 and the incidence surface 101 of described LGP 100, described lens arrangement is identical with the refractive index of described LGP 100;
Embodiment 2
Fig. 4 and the second embodiment that Figure 5 shows that backlight module provided by the utility model.
As shown in Figure 4 and Figure 5, the present embodiment difference from Example 1 is, the transmission plane 301 of described the first groove 30 and described the first reflecting surface 300 are the curved-surface structure that can expand light.
In the present embodiment, the parallel rays that light source part 200 produces, after the second reflecting surface 400 deviations, be incident to described transmission plane 301, described transmission plane 301 is curved-surface structure, after can making light after described the second reflecting surface 400 deviations expand, be incident to described the first reflecting surface 300, wherein the light after described transmission plane 301 expands expand the curved-surface structure shape that angle depends on described transmission plane 301; Described the first reflecting surface 300 is curved-surface structure, can make to reflect through the light of described transmission plane 301 transmissions, light is expanded, wherein after described the first reflecting surface 300 reflection, the shooting angle of emergent ray depends on the curved-surface structure shape of described the first reflecting surface 300 simultaneously.
The backlight module that the present embodiment provides, compared to the backlight module in embodiment 1, can make to propagate according to predetermined range of propagation from the light of exiting surface 102 outgoing of LGP 100, thereby make the viewing angle control of display unit within the scope of predetermined angle of view.
Embodiment 3
Figure 6 shows that the third embodiment of backlight module provided by the utility model.
As shown in Figure 6, the present embodiment difference from Example 1 is, is also provided with the parts that expand for the light with a predetermined rising angle outgoing after described the first reflecting surface 300 reflections is expanded in described exiting surface 102 1 sides.
In the present embodiment, preferred, described in expand parts and comprise and multiple described the first reflecting surface 300 positions multiple concavees lens 500 of corresponding setting one by one, the indent radian of described concavees lens 500 can determine that final light expands angle.
In the present embodiment, preferred, as shown in Figure 6, multiple convex lens 500 can be distributed in a lens array layer 50, in described lens array layer 50, are provided with described concavees lens 500 with the position that described in each, the first reflecting surface 300 is corresponding.
In the backlight module that the present embodiment provides, can be by expanding parts in exiting surface 102 1 side settings, compared to the backlight module in embodiment 1, can make to propagate according to predetermined range of propagation from the light of exiting surface 102 outgoing of LGP 100, thereby make the viewing angle control of display unit within the scope of predetermined angle of view.
Embodiment 4
Figure 7 shows that the 4th kind of embodiment of backlight module provided by the utility model.
As shown in Figure 7, the present embodiment difference from Example 1 is, the incidence surface 101 of described LGP 100 forms the divergent rays that can make described spot light 201 send and is converted to the collimation curved-surface structure of parallel rays, and described light source part 200 comprises described collimation curved-surface structure.
In such scheme, light source part 200 can adopt the spot light 201 in existing backlight module, as: LED light sources etc., by the incidence surface of LGP 100 101 is designed to collimate curved-surface structure, the light that spot light 201 is incident in LGP 100 is parallel rays.
In addition, also it should be noted that, in other embodiment of the present utility model, described light source part 200 can be also the light source that direct employing can produce collimated ray, for example: calibration LED light source (Collimated LED).
In addition, an also object of the present utility model is to provide a kind of display unit, comprises backlight module as above.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. a backlight module, is characterized in that, comprising:
LGP, described LGP comprises incidence surface and exiting surface;
For generation of the light source part of parallel rays, wherein,
On described exiting surface, be formed with multiple the first reflectings surface, described the first reflecting surface is for making after the parallel rays reflection that produce, that be slanted through described incidence surface of described light source part, the exiting surface outgoing with the direction of propagation be scheduled to from described LGP.
2. backlight module according to claim 1, is characterized in that,
The incidence surface of described LGP is any one side adjacent with described exiting surface, and described LGP also comprises the bottom surface relative with described exiting surface; On described bottom surface, be formed with the second reflecting surface, described the second reflecting surface after described light source part parallel rays generation deviation that produce, that be slanted through described incidence surface, is incident to described the first reflecting surface for making.
3. backlight module according to claim 2, is characterized in that,
The exiting surface of described LGP has multiple the first grooves that cave inward and form, and described the first groove comprises the first cell wall and the second cell wall; Wherein, described the first trough wall surface, to described incidence surface setting, forms described the first reflecting surface; Relatively described the first cell wall setting of described the second cell wall, forms transmission plane, and described transmission plane is incident to described the first reflecting surface for making after the parallel rays transmission of described the second reflecting surface deviation formation.
4. backlight module according to claim 3, is characterized in that,
Described transmission plane and described the first reflecting surface are the ramp structure tilting with respect to described exiting surface;
And/or described transmission plane and described the first reflecting surface are the curved-surface structure that can expand light.
5. backlight module according to claim 2, is characterized in that,
The bottom surface of described LGP has to cave inward and is formed with multiple the second grooves, and described the second groove comprises the 3rd cell wall and the 4th cell wall; Wherein, described the 3rd trough wall surface is to described incidence surface setting; Relatively described the 3rd cell wall setting of described the 4th cell wall, forms described the second reflecting surface.
6. backlight module according to claim 5, is characterized in that,
Described the second reflecting surface is the ramp structure with respect to the inclined bottom surface of described LGP.
7. backlight module according to claim 1, is characterized in that,
Also be provided with the parts that expand for the light after described the first reflecting surface reflection is expanded in described exiting surface one side.
8. backlight module according to claim 7, is characterized in that,
The described parts that expand comprise and multiple described the first reflection line positions multiple concavees lens of corresponding setting one by one.
9. backlight module according to claim 1, is characterized in that,
Described light source part comprises: the spot light that is arranged at incidence surface one side of described LGP; And, be converted to the optical alignment element of parallel rays for the divergent rays that described spot light is sent.
10. backlight module according to claim 9, is characterized in that,
Described optical alignment element comprises: be arranged at the lens arrangement between described spot light and the incidence surface of described LGP, described lens arrangement is identical with the refractive index of described LGP;
Or the incidence surface of described LGP forms the divergent rays that can make described spot light send and be converted to the collimation curved-surface structure of parallel rays, described optical alignment element comprises described collimation curved-surface structure.
11. 1 kinds of display unit, is characterized in that, comprise the backlight module as described in claim 1 to 10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148915.2U CN203744045U (en) | 2014-03-28 | 2014-03-28 | Backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148915.2U CN203744045U (en) | 2014-03-28 | 2014-03-28 | Backlight module and display device |
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| CN203744045U true CN203744045U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420148915.2U Expired - Fee Related CN203744045U (en) | 2014-03-28 | 2014-03-28 | Backlight module and display device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104914614A (en) * | 2015-06-15 | 2015-09-16 | 京东方科技集团股份有限公司 | Back light module, liquid crystal display panel and display device |
| CN105549147A (en) * | 2016-02-22 | 2016-05-04 | 京东方科技集团股份有限公司 | Backlight module and preparing method and display device thereof |
| CN106019713A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | Collimation backlight source and display device |
| CN106287401A (en) * | 2015-06-03 | 2017-01-04 | 云光科技股份有限公司 | Optical devices |
| CN107479219A (en) * | 2016-06-08 | 2017-12-15 | 南京博昱光电科技有限公司 | Planar light source device and liquid crystal display device |
| CN112166284A (en) * | 2018-05-30 | 2021-01-01 | 株式会社小糸制作所 | Vehicle lamp |
| WO2022252284A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display apparatus |
| WO2022252285A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
| WO2023116096A1 (en) * | 2021-12-20 | 2023-06-29 | 惠州视维新技术有限公司 | Backlight source module and display device |
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2014
- 2014-03-28 CN CN201420148915.2U patent/CN203744045U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106287401A (en) * | 2015-06-03 | 2017-01-04 | 云光科技股份有限公司 | Optical devices |
| CN104914614A (en) * | 2015-06-15 | 2015-09-16 | 京东方科技集团股份有限公司 | Back light module, liquid crystal display panel and display device |
| CN105549147A (en) * | 2016-02-22 | 2016-05-04 | 京东方科技集团股份有限公司 | Backlight module and preparing method and display device thereof |
| CN107479219A (en) * | 2016-06-08 | 2017-12-15 | 南京博昱光电科技有限公司 | Planar light source device and liquid crystal display device |
| CN106019713A (en) * | 2016-07-28 | 2016-10-12 | 京东方科技集团股份有限公司 | Collimation backlight source and display device |
| CN112166284A (en) * | 2018-05-30 | 2021-01-01 | 株式会社小糸制作所 | Vehicle lamp |
| WO2022252284A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display apparatus |
| WO2022252285A1 (en) * | 2021-06-02 | 2022-12-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
| US12050334B2 (en) | 2021-06-02 | 2024-07-30 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Backlight module and display device |
| WO2023116096A1 (en) * | 2021-12-20 | 2023-06-29 | 惠州视维新技术有限公司 | Backlight source module and display device |
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Granted publication date: 20140730 |