CN105511158A - Backlight unit and LCD (liquid crystal display) device - Google Patents
Backlight unit and LCD (liquid crystal display) device Download PDFInfo
- Publication number
- CN105511158A CN105511158A CN201510930591.7A CN201510930591A CN105511158A CN 105511158 A CN105511158 A CN 105511158A CN 201510930591 A CN201510930591 A CN 201510930591A CN 105511158 A CN105511158 A CN 105511158A
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- CN
- China
- Prior art keywords
- light guide
- backboard
- guide plate
- wedge shape
- backlight module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight unit and an LCD (liquid crystal display) device, relates to the technical field of LCD. The mounting reliability of a wedge-shaped light guide plate can be improved effectively, the thickness of the backlight unit can be further reduced, and lighting and thinning development of the LCD device can be realized. The backlight unit comprises the wedge-shaped light guide plate and a wedge-shaped back plate, wherein the wedge-shaped light guide plate comprises a light guide plate thick end, a light guide plate thin end as well as a light guide plate horizontal surface and a light guide plate inclined surface which are located between the light guide plate thick end and the light guide plate thin end; the wedge-shaped back plate comprises a back plate thick end, a back plate thin end as well as a back plate horizontal surface and a back plate inclined surface which are located between the back plate thick end and the back plate thin end; the light guide plate thick end is arranged at the back plate thin end, the light guide plate thin end is arranged at the back plate thick end, and the light guide plate inclined surface is attached to the back plate inclined surface. The backlight unit disclosed by the embodiment is applied to the LCD device.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of backlight module and liquid crystal display.
Background technology
Liquid crystal display comprise for display image content LCD and the backlight module of white light source is provided to LCD.Different relative to the position of LCD according to light source, backlight module is mainly divided into side-light type and straight-down negative.Wherein, side-light backlight module generally includes light for guiding light source to send by a planar exit, simultaneously for improving the light guide plate of backlight module luminosity homogeneity.
In existing liquid crystal indicator light guide plate, the incidence surface area of Wedge shape light conduction board is large, can improve backlight module light source utilization rate, and Wedge shape light conduction board can also realize the lightening design of back light module unit structure simultaneously.Example, as shown in Figure 1, a kind of typical structure schematic diagram of side-light backlight module in prior art, shown in figure 1, the light source 102 that side-light backlight module 100 mainly comprises backboard 101, be arranged on the Wedge shape light conduction board 103 of backboard 101 inside surface, be arranged on pillar 105 between Wedge shape light conduction board 103 and backboard 101, just arrange Wedge shape light conduction board 103 incidence surface and other blooming pieces 104 being positioned at Wedge shape light conduction board 103 exiting surface, wherein, other blooming pieces 104 mainly comprise diffusion barrier, prism film etc.Shown in figure 1, pillar 105 is provided with between the thin end of Wedge shape light conduction board 103 and backboard 101, ensure that the exiting surface of Wedge shape light conduction board 103 is surface level by pillar 105, pillar 105 is little with Wedge shape light conduction board 103 Contact area, causes Wedge shape light conduction board to install not firm, easily deforms, Wedge shape light conduction board exiting surface is caused to tilt, cause backlight module optical effect poor, this kind of supporting construction causes backlight module Thickness Ratio thicker simultaneously, is unfavorable for the lightening development of liquid crystal display.
Summary of the invention
Embodiments of the invention provide a kind of backlight module and liquid crystal display, effectively can improve the installation reliability of Wedge shape light conduction board, can reduce the thickness of backlight module simultaneously further, realize the lightening development of liquid crystal display.
For achieving the above object, embodiments of the invention provide a kind of backlight module, comprise Wedge shape light conduction board and wedge shape backboard, described Wedge shape light conduction board comprises a guide-lighting thickness of slab end and the thin end of a light guide plate and the light guide plate horizontal surface between described guide-lighting thickness of slab end and the thin end of described light guide plate and light guide plate inclined surface; Described wedge shape backboard comprises the thick end of a backboard and the thin end of a backboard and the backboard horizontal surface between the thick end of described backboard and the thin end of described backboard and inclined back plate surface; Wherein, described guide-lighting thickness of slab end is arranged on the thin end of described backboard, and the thin end of described light guide plate is arranged on the thick end of described backboard, fits in described light guide plate inclined surface and described inclined back plate surface.
Further, described inclined back plate surface is identical with the angle between described light guide plate inclined surface and described light guide plate horizontal surface with the angle between described backboard horizontal surface.
Preferably, described wedge shape backboard comprises the first plate body, the second plate body and intermediate filling layer, described intermediate filling layer is between described first plate body and described second plate body, described first plate body is for the formation of described backboard horizontal surface, and described second plate body is for the formation of described inclined back plate surface.
Preferably, described intermediate filling layer is resin or metal.
Preferably, described intermediate filling layer is honeycomb aluminum plate.
Preferably, described first plate body is sheet metal, and described second plate body is sheet metal, and described first plate body is mutually bonding with described honeycomb aluminum plate lower surface, and described second plate body is mutually bonding with described honeycomb aluminum plate upper surface.
For achieving the above object, embodiments of the invention also provide a kind of liquid crystal display, and described liquid crystal display comprises above-mentioned backlight module.
The backlight module that the embodiment of the present invention provides, this backlight module adopts wedge shape backboard to match with Wedge shape light conduction board, light guide plate inclined surface and inclined back plate surface are fitted, by this Wedge shape light conduction board of inclined back plate surface support, Wedge shape light conduction board Hanging sectionally can be effectively avoided to deform, improve the installation stability of Wedge shape light conduction board, ensure that the levelness of Wedge shape light conduction board exiting surface, improve the optical effect of backlight module emergent light.
Simultaneously, the backlight module that the embodiment of the present invention provides, Wedge shape light conduction board is adopted to match with wedge shape backboard, guide-lighting thickness of slab end is arranged on the thin end of backboard, thin for light guide plate end is arranged on the thick end of backboard, the Appropriate application intensity distributions of light guide plate self, reduce further the splicing thickness of light guide plate and backboard in backlight module, improve the intensity homogeneity of backlight module entirety, the thickness of backlight module can be reduced further, realize the lightening development of liquid crystal display.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, 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 some embodiments of the present invention, 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 back light module unit structure schematic diagram of prior art;
The structural representation of the backlight module that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of Wedge shape light conduction board in Fig. 2;
Fig. 4 is the structural representation of wedge shape backboard in Fig. 2;
Fig. 4 a is the composition structural representation of wedge shape backboard in Fig. 4;
Fig. 5 is that the roll extrusion of wedge shape backboard in the embodiment of the present invention manufactures schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of what Fig. 2 was exemplary show a kind of backlight module of the embodiment of the present invention.This backlight module can provide white light source for liquid crystal display, is assembled into liquid crystal display with LCD.
Shown in figure 2, the backlight module 200 of the embodiment of the present invention, comprises wedge shape backboard 201, is arranged on the Wedge shape light conduction board 203 of wedge shape backboard 201 upper surface and the light source 202 just arranged Wedge shape light conduction board 203 incidence surface and is arranged on other blooming pieces 204 of Wedge shape light conduction board 203 exiting surface.
Example, light source 202 comprises circuit substrate and is arranged on the LED luminescence chip on circuit substrate, wherein, the light-emitting area of LED luminescence chip is just arranged the incidence surface of Wedge shape light conduction board 203, the light that LED luminescence chip sends enters Wedge shape light conduction board inside through the incidence surface of Wedge shape light conduction board 203, arrives the exiting surface of Wedge shape light conduction board 203 after there is multiple reflections and refraction.
Example, other blooming pieces 204 can be diffusion barrier, prismatic lens, quantum dot film etc., it can be a kind of diaphragm in diffusion barrier, prismatic lens, quantum dot film, also can be the combination of wherein multiple diaphragm, wherein, diffusion barrier is mainly used in the diffusion angle revising light, increases exit optical radiation area, reduce exiting light beam intensity in unit area, improve the homogeneity of backlight module emergent light.The effect of prismatic lens is the intensity improving backlight module exiting surface emergent light, concrete, the refraction action of the micro-prism structure be formed on backing material is utilized to make to deflect to frontal outgoing from the emergent light in a certain angular range of light source, like this, the light that light source sends constantly is recycled under the effect of micro-prism structure, originally the light dispersed to all directions is controlled in the view directions of front after by prismatic lens, thus reaches the effect of brightness enhancing.The effect of quantum dot film is the gamut range improving backlight module, realize the high colour gamut display of liquid crystal display, concrete is, red light quantum point in usual employing blue-light source excitation quantum point film and green light quantum point produce ruddiness and green glow, excite the ruddiness of generation, green glow and the blue light transmitted through quantum dot film to form white light.
Further, about the backlight module of the embodiment of the present invention, the installation fixed form of its light source 202 and other blooming pieces 204, the present invention does not limit, and those skilled in the art can be arranged with reference to prior art.
Further, shown in figure 3, the backlight module 200 that the embodiment of the present invention provides, its Wedge shape light conduction board 203 comprises a guide-lighting thickness of slab end 2031 and the thin end of a light guide plate 2032 and the light guide plate horizontal surface 2033 between guide-lighting thickness of slab end 2031 and the thin end 2032 of light guide plate and light guide plate inclined surface 2034, wherein light guide plate horizontal surface 2033 is just to light guide plate inclined surface 2034, and the angle between light guide plate inclined surface 2034 and light guide plate horizontal surface 2033 is α.
Shown in figure 2, the guide-lighting thickness of slab end 2031 of Wedge shape light conduction board 203 is just to light source 202, and guide-lighting thickness of slab end 2031 is the incidence surface of Wedge shape light conduction board 203, and light guide plate horizontal surface 2033 is the exiting surface of Wedge shape light conduction board 203.Because the area of the thin end of light guide plate 2032 of the area ratio Wedge shape light conduction board 203 of the guide-lighting thickness of slab end 2031 of Wedge shape light conduction board 203 is large, as the incidence surface of light guide plate, the light that light source can be impelled to send more enters light guide plate inside, improves the brightness of light guide plate exiting surface emergent light; Meanwhile, light guide plate horizontal surface 2033 is the exiting surface of Wedge shape light conduction board 203, can improve the depth of parallelism between light guide plate exiting surface and display panels, improves the optical effect of backlight module.
Shown in figure 4, the backlight module 200 that the embodiment of the present invention provides, its wedge shape backboard 201 comprises the thick end of a backboard 2011 and the thin end of a backboard 2012 and the backboard horizontal surface 2013 between the thick end of backboard 2011 and the thin end 2012 of backboard and inclined back plate surface 2014, its dorsulum horizontal surface 2013 is just to inclined back plate surface 2014, and the angle between inclined back plate surface 2014 and backboard horizontal surface 2013 is β.
Shown in figure 2, Fig. 3 and Fig. 4, the backlight module 200 that the embodiment of the present invention provides, its Wedge shape light conduction board 203 and wedge shape backboard 201 match, wherein, guide-lighting thickness of slab end 2031 is arranged on the thin end 2012 of backboard, the thin end of light guide plate 2032 is arranged on the thick end 2011 of backboard, and light guide plate inclined surface 2034 and inclined back plate surface 2014 fit.The backlight module 200 of the embodiment of the present invention, by inclined back plate surface 2014 supports wedge light guide plate 203, Wedge shape light conduction board 203 entirety is contacted with backboard 201 by light guide plate inclined surface 2034, effectively prevent Wedge shape light conduction board Hanging sectionally and occur bending and deformation, and then avoiding the effect of Wedge shape light conduction board exiting surface deformation effect backlight module emergent light; Simultaneously, the inclined-plane cooperatively interacted is adopted to support between wedge shape backboard 201 and Wedge shape light conduction board 203, increase the Area of bearing of Wedge shape light conduction board 203, improve the stability of strutting system of Wedge shape light conduction board 203, further increase the depth of parallelism of the relative display panels of Wedge shape light conduction board 203 exiting surface, further increase the optical effect of backlight module.
Simultaneously, further, the backlight module that the embodiment of the present invention provides, wedge shape backboard 201 is adopted to match with Wedge shape light conduction board 203, wherein, guide-lighting thickness of slab end 2031 and the thin end 2012 of backboard are matched, the thin end of light guide plate 2032 matches with the thick end 2011 of backboard, because the thickness of the thin end of Thickness Ratio light guide plate 2032 of guide-lighting thickness of slab end 2031 is large, accordingly, its physical strength is high, the larger backboard of thickness setting is not needed to increase its physical strength, therefore, the backlight module of the embodiment of the present invention, the Appropriate application intensity distributions of Wedge shape light conduction board self, reduce the thickness of backboard needed for backlight module entirety, improve the intensity homogeneity of backlight module entirety, further reduce Wedge shape light conduction board and the spliced thickness of backboard, reduce the thickness of backlight module, advantageously in the slimming design realizing liquid crystal display.
Further, shown in figure 2, Fig. 3 and Fig. 4, backlight module 200 provided by the invention, angle α between its light guide plate inclined surface 2034 with light guide plate horizontal surface 2033 is identical with the angle β between inclined back plate surface 2014 and backboard horizontal surface 2013, namely the gradient of wedge shape backboard 201 is identical with the gradient of Wedge shape light conduction board 203, adopt identical gradient, the laminating stability between inclined back plate surface 2014 and light guide plate inclined surface 2034 can be improved further, meanwhile, the depth of parallelism of the relative display panels of light guide plate exiting surface is also improved.
Further, shown in figure 4 and Fig. 4 a, the backlight module 200 of the embodiment of the present invention, its wedge shape backboard comprises the first plate body 201a, the second plate body 201b and the intermediate filling layer 201c between the first plate body 201a and the second plate body 201b, wherein the first plate body 201 for the formation of backboard horizontal surface 2013, second plate body for the formation of inclined back plate surface 2014.Wherein, the first plate body 201a and the second plate body 201b can be metal material or non-metallic material, and preferably, the first plate body 201a and the second plate body 201b is metal material, example, and the first plate body 201a and the second plate body 201b is aluminium sheet or corrosion resistant plate.
Example, consolidation and consolidation between the second plate body 201b and intermediate filling layer 201c upper surface between first plate body 201a and intermediate filling layer 201c lower surface, consolidation style between three, the present invention does not limit, can being adhesively fixed by metal-to-metal adhesive of example.
Further, intermediate filling layer 201c is resin or metal material, wherein, preferably, intermediate filling layer adopts intensity to meet the demands and the smaller material of density, like this when meeting requirement of strength, can reduce the weight of wedge shape backboard further, the weight of further reduction backlight module, realizes the light-duty design of liquid crystal display.
Example, intermediate filling layer 201c can adopt casting, extruded or roll-forming.Shown in figure 5, form intermediate filling layer 201c by the down roller extruding with angle β.
Example, intermediate filling layer 201c adopts honeycomb aluminum plate, and honeycomb aluminum plate cost is low, intensity is high and density is little, can improve slimming and the light-duty design of backlight module further.Example, by roll-in or cut and obtain wedge shape honeycomb aluminum plate, by mutually bonding with the lower surface of wedge shape honeycomb aluminum plate for the first plate body 201a, by mutually bonding with the upper surface of wedge shape honeycomb aluminum plate for the second plate body 201b, the final wedge shape backboard forming structure shown in Fig. 4 a.
Further, the backlight module 200 that the embodiment of the present invention provides, its Wedge shape light conduction board 203 is glass light guide plate or acrylic (PC) light guide plate, wherein, preferably, glass light guide plate is adopted, the intensity of glass light guide plate is high, can reduce the thickness of backlight module further.
The embodiment of the present invention also provides a kind of liquid crystal display, comprises the backlight module shown in LCD and Fig. 2, Fig. 3, Fig. 4, Fig. 4 a, has the advantage of backlight module shown in Fig. 2 ~ Fig. 4 a.
About the backlight module of the embodiment of the present invention and other formations of liquid crystal display etc. known by those skilled in the art, with reference to the state of the art, no longer can describe in detail at this.
In the description of this instructions, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (7)
1. a backlight module, comprise Wedge shape light conduction board and wedge shape backboard, it is characterized in that, described Wedge shape light conduction board comprises a guide-lighting thickness of slab end and the thin end of a light guide plate and the light guide plate horizontal surface between described guide-lighting thickness of slab end and the thin end of described light guide plate and light guide plate inclined surface; Described wedge shape backboard comprises the thick end of a backboard and the thin end of a backboard and the backboard horizontal surface between the thick end of described backboard and the thin end of described backboard and inclined back plate surface; Wherein, described guide-lighting thickness of slab end is arranged on the thin end of described backboard, and the thin end of described light guide plate is arranged on the thick end of described backboard, and described light guide plate inclined surface and described inclined back plate surface fit.
2. backlight module according to claim 1, is characterized in that, described inclined back plate surface is identical with the angle between described light guide plate inclined surface and described light guide plate horizontal surface with the angle between described backboard horizontal surface.
3. backlight module according to any one of claim 1 ~ 2, it is characterized in that, described wedge shape backboard comprises the first plate body, the second plate body and intermediate filling layer, described intermediate filling layer is between described first plate body and described second plate body, described first plate body is for the formation of described backboard horizontal surface, and described second plate body is for the formation of described inclined back plate surface.
4. backlight module according to claim 3, it is characterized in that, described intermediate filling layer is resin or metal.
5. backlight module according to claim 3, it is characterized in that, described intermediate filling layer is honeycomb aluminum plate.
6. backlight module according to claim 5, it is characterized in that, described first plate body is sheet metal, and described second plate body is sheet metal, described first plate body is mutually bonding with described honeycomb aluminum plate lower surface, and described second plate body is mutually bonding with described honeycomb aluminum plate upper surface.
7. a liquid crystal display, is characterized in that, described liquid crystal display comprises backlight module as described in any one of claim 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930591.7A CN105511158A (en) | 2015-12-15 | 2015-12-15 | Backlight unit and LCD (liquid crystal display) device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930591.7A CN105511158A (en) | 2015-12-15 | 2015-12-15 | Backlight unit and LCD (liquid crystal display) device |
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| Publication Number | Publication Date |
|---|---|
| CN105511158A true CN105511158A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930591.7A Pending CN105511158A (en) | 2015-12-15 | 2015-12-15 | Backlight unit and LCD (liquid crystal display) device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105511158A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108279460A (en) * | 2018-01-03 | 2018-07-13 | 上海中航光电子有限公司 | A kind of quantum dot light guide plate, backlight module and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279460A (en) * | 2018-01-03 | 2018-07-13 | 上海中航光电子有限公司 | A kind of quantum dot light guide plate, backlight module and display device |
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Application publication date: 20160420 |