CN105785499A - Side-entrance type light guide plate assembly, side-entrance type backlight module and display device - Google Patents
Side-entrance type light guide plate assembly, side-entrance type backlight module and display device Download PDFInfo
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- CN105785499A CN105785499A CN201610331040.3A CN201610331040A CN105785499A CN 105785499 A CN105785499 A CN 105785499A CN 201610331040 A CN201610331040 A CN 201610331040A CN 105785499 A CN105785499 A CN 105785499A
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- 230000010287 polarization Effects 0.000 claims abstract description 76
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000006854 communication Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
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- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
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- 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 relates to the technical field of liquid crystal display and provides a side-entrance type light guide plate assembly, a side-entrance type backlight module and a display device. The side-entrance type light guide plate assembly comprises a first light guide plate, a polarization spectroscopic film and a second light guide plate which are successively fitted; the light shined on the first light guide plate is converted into linearly polarized light which is reflected by the polarization spectroscopic film through a polarization generator and the light is reflected by a first reflecting surface when reaching to an end surface, and then converted to a linearly polarized light transmitted by the polarization spectroscopic film after reciprocating through a 1/4 wave sheet; therefore, light can be transmitted reversely through the polarization spectroscopic film and then emitted from the mesh points of the second light guide plate reflecting surface successively. The light emitted from the mesh points passes through at least one first light guide plate length mixture so that light source quantity can be reduced under the condition that no overheated point is generated and the overall thickness of light guide plate assembly will not be increased by increasing the distance between light sources in design.
Description
Technical field
The present invention relates to technical field of liquid crystal display, specifically provide a kind of edge-type light guide plate assembly, side entrance back module and display device.
Background technology
In field of liquid crystal display, conventional side-edge type backlight scheme is as shown in Figure 1 at present, for avoiding incident side to produce heat spot, LED light-emitting area have to be larger than a certain particular value to the distance of territory, effective display area AA of light guide plate L with the ratio of LED spacing d, namely LED spacing d can not be too small, otherwise incident side LED light line radiating area mixed light is insufficient, can produce heat spot.Therefore, LED particle arrangement on side-edge type backlight lamp bar is generally very tight, thus can cause following problem: (1) determines that LED quantity is except considering luminance factor in design, it is necessary to consider LED spacing, so LED quantity can not be very little, it is impossible to effectively reduce LED cost；(2) LED arranging density is big, and poor radiation affects product reliability.
Based on above-mentioned technical problem, patent US20150268479A1 discloses a kind of light guide plate L, as shown in Figure 2.This light guide plate L lower surface design becomes notch cuttype, the light that LED sends enters light guide plate through incidence surface, and the total reflection by upper and lower light guiding surface is propagated forward, if lower surface step inclined plane e angle is set to work as, then light will not arrive step inclined plane e, does not have beam projecting in this communication process.Light changes the direction of propagation after being reflected face reflection, goes out light by step inclined plane e in reverse communication process.This kind of guide-lighting scheme can realize reducing the purpose of LED quantity, even if a LEDs can also reach requirement, as shown in Figure 3.But the shortcoming of this scheme is light guide plate lower surface is stepped, and light guide plate monnolithic case is slope shape, adds the thickness of whole liquid crystal module, is unfavorable for the lightening of display device.
Summary of the invention
(1) to solve the technical problem that
It is an object of the invention to provide a kind of minimizing LED quantity when not producing heat spot, and do not increase the edge-type light guide plate assembly of module thickness, side entrance back module and display device.
(2) technical scheme
For achieving the above object, the invention provides a kind of edge-type light guide plate assembly, this light guide plate assembly includes the first light guide plate, polarization beam splitter and the second light guide plate fitted successively, and the sidepiece of described first light guide plate has incidence surface and the terminal surface relative with described incidence surface；Described incidence surface is provided with polarization generator, and described polarization generator is for being converted into, by the light of incidence surface described in directive, the line polarized light reflected by polarization beam splitter；Described terminal surface is provided with quarter wave plate；The outside of described quarter wave plate is provided with the first reflecting surface；Described second light guide plate is provided with several sites for going out light away from the one side of described polarization beam splitter.
Preferably, on the direction by described terminal surface to described incidence surface, the density of described site is gradually increased.
Preferably, described quarter wave plate is fitted on described terminal surface.
Preferably, described first reflecting surface is fitted on described quarter wave plate.
Preferably, described first reflecting surface is illuminator.
Preferably, described polarization generator includes polarization spectro layer, the second reflecting surface and half-wave plate；Described polarization spectro layer is arranged between light source and described incidence surface and angle at 45 ° with described incidence surface；Described second reflecting surface is arranged on the outside of described incidence surface and parallel with described polarization spectro layer, for the light that described polarization spectro layer reflects is reflected towards described incidence surface；Described half-wave plate is arranged between described second reflecting surface and described incidence surface.
Preferably, described polarization spectro layer is formed in a rectangular prism.
Preferably, described second reflecting surface is a polarization spectro layer.
Preferably, described second reflecting surface is formed in a rectangular prism.
Present invention also offers a kind of side entrance back module, this side entrance back module includes light source and edge-type light guide plate assembly as above.
Preferably, described light source is laser.
Present invention also offers a kind of display device, this display device includes edge-type light guide plate assembly as above
(3) beneficial effect
A kind of edge-type light guide plate assembly provided by the invention, the light penetrated by site has at least both passed through the mixing of the length of first light guide plate, therefore design can increase space between light sources, realize reducing the purpose of quantity of light source when not producing heat spot, cost can be reduced, heat radiation performance, and the integral thickness of light guide plate assembly will not be increased.It addition, adopt backlight module that above-mentioned edge-type light guide plate assembly designs and display device also to have low cost of manufacture, heat radiation ruggedness is good, the advantage that integral thickness is more frivolous.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of side-edge type backlight of the prior art.
Fig. 2 is the schematic diagram of a kind of edge-type light guide plate of the prior art.
Fig. 3 is the top view of edge-type light guide plate described in Fig. 2.
Fig. 4 is the schematic diagram of a kind of edge-type light guide plate assembly of the embodiment of the present invention.
Fig. 5 is the schematic diagram of the polarization generator of the embodiment of the present invention.
Accompanying drawing labelling:
1, the first light guide plate；2, the second light guide plate；21, site；3, polarization beam splitter；4, light source；5, polarization generator；51, polarization spectro layer；52, the second reflecting surface；53, half-wave plate；6, quarter wave plate；7, the first reflecting surface；8, the line polarized light reflected by polarization beam splitter；9, by the line polarized light of polarization beam splitter transmission；10, light guide plate；L, light guide plate；AA, territory, effective display area；D, LED spacing；E, step inclined plane.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
As shown in Figure 4, a kind of edge-type light guide plate assembly that the embodiment of the present invention provides, including the first light guide plate 1 fitted successively, polarization beam splitter 3 and the second light guide plate 2, the sidepiece of the first light guide plate 1 has incidence surface and the terminal surface relative with incidence surface；Incidence surface is provided with polarization generator 5, polarization generator 5 is for being converted into, by the light of directive incidence surface, the line polarized light 8 reflected by polarization beam splitter, this polarization generator 5 both can be arranged on the outside of incidence surface, can also be fitted on incidence surface, be even embedded in the first light guide plate 1 inside incidence surface；Terminal surface is provided with quarter wave plate 6, same, and this quarter wave plate both can be arranged on the outside of terminal surface, it is also possible to is fitted on terminal surface, or is embedded in the first light guide plate 1 inside terminal surface；The outside of quarter wave plate is provided with the first reflecting surface 7, and this first reflecting surface 7 can be illuminator, and terminal surface, quarter wave plate 6 and the first reflecting surface 7 are preferably and are affixed successively, it is to avoid light path, because of refraction, the decay of skew and luminous energy occurs, and also can strengthen the globality of assembly；Second light guide plate 2 is provided with several sites 21 for going out light away from the one side of polarization beam splitter 3.
It is positioned at the light that the LED light source 4 of incidence surface side sends be transformed to, through polarization generator 5, the line polarized light 8 reflected by polarization beam splitter and be refracted into the first light guide plate 1, the line polarized light 8 that this is reflected by polarization beam splitter is totally reflected at the upper surface of the first light guide plate 1, is reflected equally through polarization beam splitter 3 at lower surface, therefore incident beam is to front propagation in the first light guide plate 1, and does not have beam projecting.Light is propagated after arriving terminal surface and is reflected by the first reflecting surface 7, and come and go through quarter wave plate 6, polarization state is changed, the line polarized light that the line polarized light 8 that is changed into and reflected by polarization beam splitter is mutually orthogonal, namely by the line polarized light 9 of polarization beam splitter transmission, and this can be propagated by the line polarized light of polarization beam splitter transmission in the assembly of the first light guide plate 1 and the second light guide plate 2 in reverse total reflection, in the process, the light of reverse propagation is penetrated by the site 21 outside the second light guide plate 2.
By said process it can be seen that the light finally penetrated by site 21 has at least both passed through the mixing of the length of first light guide plate 1, sufficient light mixing effect thus can be realized, it is possible to avoid the generation of heat spot.Therefore LED spacing can be increased in design, it is achieved reduce the purpose of LED quantity when not producing heat spot, reduce cost, improve heat dispersion.And, owing to the second light guide plate 2 is only play total reflection and go out the effect of light, therefore its thickness can be set to as far as possible thin, so the integral thickness of light guide plate assembly is approximately equal to the thickness of the first light guide plate 1, namely this light guide plate assembly increases the thickness of backlight module hardly.
Wherein, on the direction by terminal surface to incidence surface, the density of site 21 is gradually increased.On the direction by described terminal surface to described incidence surface, initial segment site 21 is distributed sparse, it is ensured that have abundant light to can continue to keep reflection to propagate, to ensure that end stage also has light to penetrate；On the other hand, end stage site 21 is distributed comparatively dense, remaining reflection can be made to propagate light and all penetrate as much as possible, not waste；And, the light intensity reflecting propagation on this direction of propagation weakens gradually, and site 21 just can be formed complementation with this by sparse to intensive distribution form, makes the amount of light on whole exiting surface uniform.
It addition, as it is shown in figure 5, polarization generator 5 includes polarization spectro layer the 51, second reflecting surface 52 and half-wave plate 53；Polarization spectro layer 51 is arranged between light source 4 and incidence surface and angle at 45 ° with incidence surface, for light source 4 is resolved into line polarized light two groups orthogonal each other, namely the line polarized light that reflected by polarization beam splitter and by the line polarized light of polarization beam splitter transmission, wherein, the line polarized light reflected by polarization beam splitter is directive incidence surface through polarization spectro layer, and is reflected by the line polarized light of polarization beam splitter transmission；Second reflecting surface 52 is arranged on the outside of incidence surface and parallel with polarization spectro layer 51, is again reflected towards incidence surface for the line polarized light by polarization beam splitter transmission reflected by polarization spectro layer 51；Half-wave plate 53 is arranged between the second reflecting surface 52 and incidence surface, for being changed by the polarization state of the line polarized light of polarization beam splitter transmission, becomes the line polarized light reflected by polarization beam splitter.Thus, incident light source 4 not only can be transformed into the line polarized light 8 reflected by polarization beam splitter by the polarization generator 5 of the present embodiment, and transition process does not have energy loss.
Wherein, polarization spectro layer 51 is preferably formed in a rectangular prism, namely a polarization splitting prism is formed, owing to polarization spectro layer 51 and incidence surface have the special angle relation of 45° angle, therefore polarization spectro layer 51 is set to polarization splitting prism can more easily fit with incidence surface, and ensure that polarization spectro layer 51 stably angle at 45 ° with incidence surface.
Owing to the effect of the second reflecting surface is that line polarized light is formed reflection, so the second reflecting surface 52 both can be illuminator, it can also be a polarization spectro layer, but preferably the second reflecting surface 52 is set to a polarization spectro layer, because the second reflecting surface 52 needs incident illumination is carried out the reflection of 45 °, if so using plane illuminator, the accuracy at angle of inclination is difficult to control.And the second reflecting surface 52 is set to a polarization spectro layer, and the second reflecting surface 52 is formed in a rectangular prism, form a polarization splitting prism, not only angle of inclination obtains and is accurately controlled, but also nature splicing can be formed with adjacent polarization splitting prism and half-wave plate, easy to connect, and overall structure is stable.
The present embodiment additionally provides a kind of side entrance back module, this side entrance back module includes light source 4 and edge-type light guide plate assembly as above, wherein, owing to the light mixing distance of above-mentioned edge-type light guide plate assembly is longer, therefore this side entrance back module can be greatly decreased the quantity being positioned at light guide plate incidence surface one side light source 4, so not only save cost, but also improve heat dispersion, increased the stability adding product.Further, since the light mixing distance of edge-type light guide plate assembly has had guarantee, laser therefore can be selected as light source 4, thus make backlight 4 have better monochromaticity and brightness.
The present embodiment additionally provides a kind of display device, and this display device includes edge-type light guide plate assembly as above, owing to light source 4 quantity is greatly decreased, is therefore possible not only to display device cost is greatly reduced, it is also possible to the ruggedness of improving product.And owing to the integral thickness of its light guide plate assembly is relatively thin, thus without the thickness increasing display device, do not affect display device and develop towards more frivolous direction, good market prospect.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and replacement, these improve and replace and also should be regarded as protection scope of the present invention.
Claims (12)
1. an edge-type light guide plate assembly, it is characterised in that including the first light guide plate, polarization beam splitter and the second light guide plate fitted successively, the sidepiece of described first light guide plate has incidence surface and the terminal surface relative with described incidence surface；Described incidence surface is provided with polarization generator, and described polarization generator is for being converted into, by the light of incidence surface described in directive, the line polarized light reflected by polarization beam splitter；Described terminal surface is provided with quarter wave plate；The outside of described quarter wave plate is provided with the first reflecting surface；Described second light guide plate is provided with several sites for going out light away from the one side of described polarization beam splitter.
2. edge-type light guide plate assembly according to claim 1, it is characterised in that on the direction by described terminal surface to described incidence surface, the density of described site is gradually increased.
3. edge-type light guide plate assembly according to claim 1, it is characterised in that described quarter wave plate is fitted on described terminal surface.
4. edge-type light guide plate assembly according to claim 1, it is characterised in that described first reflecting surface is fitted on described quarter wave plate.
5. edge-type light guide plate assembly according to claim 1, it is characterised in that described first reflecting surface is illuminator.
6. the edge-type light guide plate assembly according to any one of claim 1 to 5, it is characterised in that described polarization generator includes polarization spectro layer, the second reflecting surface and half-wave plate；Described polarization spectro layer is arranged between light source and described incidence surface and angle at 45 ° with described incidence surface；Described second reflecting surface is arranged on the outside of described incidence surface and parallel with described polarization spectro layer, for the light that described polarization spectro layer reflects is reflected towards described incidence surface；Described half-wave plate is arranged between described second reflecting surface and described incidence surface.
7. edge-type light guide plate assembly according to claim 6, it is characterised in that described polarization spectro layer is formed in a rectangular prism.
8. edge-type light guide plate assembly according to claim 6, it is characterised in that described second reflecting surface is a polarization spectro layer.
9. edge-type light guide plate assembly according to claim 6, it is characterised in that described second reflecting surface is formed in a rectangular prism.
10. a side entrance back module, including light source and the edge-type light guide plate assembly as described in any one of claim 1 to 10.
11. edge-type light guide plate assembly according to claim 10, it is characterised in that described light source is laser.
12. a display device, it is characterised in that include the edge-type light guide plate assembly as described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331040.3A CN105785499B (en) | 2016-05-18 | 2016-05-18 | Edge-type light guide plate component, side entrance back module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331040.3A CN105785499B (en) | 2016-05-18 | 2016-05-18 | Edge-type light guide plate component, side entrance back module and display device |
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| CN105785499A true CN105785499A (en) | 2016-07-20 |
| CN105785499B CN105785499B (en) | 2018-11-13 |
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| CN201610331040.3A Expired - Fee Related CN105785499B (en) | 2016-05-18 | 2016-05-18 | Edge-type light guide plate component, side entrance back module and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732675A (en) * | 2017-04-19 | 2018-11-02 | 株式会社日本显示器 | Lighting device |
| CN109031787A (en) * | 2018-08-31 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of front located light source and display device |
| CN109387900A (en) * | 2018-11-27 | 2019-02-26 | 深圳市隆利科技股份有限公司 | Light guide plate, backlight module and the liquid crystal display device of adjustable emergent light angle |
| CN111296899A (en) * | 2018-11-23 | 2020-06-19 | 湖南中烟工业有限责任公司 | Low-temperature smoking set with brightness display function |
| CN111983835A (en) * | 2020-08-17 | 2020-11-24 | 武汉华星光电技术有限公司 | Display device |
| CN116699900A (en) * | 2023-06-20 | 2023-09-05 | 重庆惠科金渝光电科技有限公司 | Light board assembly, backlight module and display device |
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| US20160091750A1 (en) * | 2014-09-30 | 2016-03-31 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Liquid crystal display device |
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| US6352350B1 (en) * | 2000-06-01 | 2002-03-05 | Agilent Technologies, Inc. | High efficiency flat illuminator for liquid crystal micro-display |
| CN1908753A (en) * | 2005-08-05 | 2007-02-07 | 鸿富锦精密工业（深圳）有限公司 | Polarized light converter, method for fabrication and backlight component |
| CN101071225A (en) * | 2006-05-11 | 2007-11-14 | 三星电子株式会社 | Illuminating apparatus providing polarized color light and display apparatus including the same |
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| US20160091750A1 (en) * | 2014-09-30 | 2016-03-31 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Liquid crystal display device |
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| CN109031787A (en) * | 2018-08-31 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of front located light source and display device |
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