CN103912819A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
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- CN103912819A CN103912819A CN201210594830.2A CN201210594830A CN103912819A CN 103912819 A CN103912819 A CN 103912819A CN 201210594830 A CN201210594830 A CN 201210594830A CN 103912819 A CN103912819 A CN 103912819A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 138
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 7
- 239000002648 laminated material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
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- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a backlight module and a liquid crystal display device, wherein the backlight module comprises a light source, a frame and a film material for converting the light source into a uniform surface light source, the frame is used for accommodating the light source and the film material, the surface of the film material for guiding light to emit is a light emitting surface, the surface opposite to the light emitting surface is a bottom surface, at least one side surface of the film material intersected with the light emitting surface is in a step shape, the step-shaped side surfaces are sequentially expanded outwards along the direction from the light emitting surface to the bottom surface, and correspondingly, the side surface of the frame opposite to the step-shaped side surface of the film material is in a step shape matched with the step shape of the film material. The invention can solve the problem that the traditional backlight module is matched with light leakage and bright lines at the periphery of a visible area, and can improve the brightness of the backlight module.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more specifically, relate to a kind of backlight module and liquid crystal indicator.
Background technology
Along with the development of electronic information technology, liquid crystal display applications scope is increasingly extensive.Liquid crystal display has low pressure, micro-power consumption, show and contain much information, be easy to the advantages such as colorize, has now been widely used in the display unit of the electronic equipments such as electronic computer, electronic notebook, mobile phone, video camera, HDTV.Different from cathode-ray tube or plasm display device, himself is not luminous, but reaches demonstration object by modulation ambient light, relies on difference reflection and the transmission formation different contrast of light to external world to reach demonstration object.Because the liquid crystal in panel of LCD itself is not luminous, for reaching display effect, must provide a planar light source device to panel of LCD, as backlight module, to realize Presentation Function.
Prior art backlight module comprises light source and for described light source being converted into the film material of uniform area light source, light source is the incidence surface setting of relative film material, and the transmission direction that film material guiding light source emits beam, is converted into area source outgoing by line source or spot light.Multiple sites that distribute, film material bottom surface, in order to destroy the uniformity of light, and then improve the overall performance of light supply apparatus, and density, the size of site all can have different designs to be suitable for different light supply apparatuses.
But, because easily appearring in film material in manufacturing process, the variations in temperature of dimensional tolerance and backlight module inside easily make film material occur the accurate contracting phenomenon of slight heat expansion, therefore, between the side of mould material and frame facet, can leave gap, in the time that this backlight module illuminates display floater, easily there is the bad optical phenomena such as bright line, light leak at described gap location, and then affect quality.
Existing skill discloses a kind of scheme of the backlight module that prevents light leak in stating, it comprises light source, film material and back of the body frame, this back of the body frame holds light source and film material, this film material comprises the incidence surface that receives light, the bottom surface relative with exiting surface, three and the crossing side of exiting surface and bottom surface, this light source is positioned at incidence surface one side of film material, one of the side of this film material and back frame side face corresponding thereto have anti-light leakage structure, and this anti-light leakage structure prevents that light leakage phenomena from appearring in the gap of film material side and back frame side face.But such scheme only relates to the collocation mode of film material and framework, exist film material easily to occur skew, be not easy to the shortcomings such as assembling and easy foreign matter enter.
Summary of the invention
In order to overcome the above problems, the present invention proposes following technical scheme:
A kind of backlight module, comprise light source, framework and for described light source being converted into the film material of uniform area light source, described framework holds described light source and described film material, in described film material, be exiting surface in order to the face of directing light outgoing, the face relative with described exiting surface is bottom surface, in described film material in the side crossing with described exiting surface, at least having a side is stairstepping, the side of described stairstepping extends out successively in the direction along described exiting surface to described bottom surface, accordingly, side relative with the side of the stairstepping of described film material in described framework is the stairstepping mating with the stairstepping of described film material.
Further, the side of described stairstepping is at least two-layer stairstepping and extends out.
Further, each laminate material of described film material extends out in the side of described stairstepping to described bottom surface successively along described exiting surface.
Further, described film material is followed successively by reflector plate, LGP, diffusion sheet, lower prismatic lens and upper prismatic lens along bottom surface to the sheet material of exiting surface.
Further, described film material is two-layer ladder to bottom surface in the side of described stairstepping along exiting surface and extends out.
Further, described film material is four layers of ladder and extends out in the side of described stairstepping along exiting surface to bottom surface.
Further, described light source is positioned at described film material bottom surface, and four sides crossing with described exiting surface and described bottom surface of described film material are stairstepping.
Further, described light source is positioned at described film material bottom surface, and in four sides crossing with described exiting surface and described bottom surface of described film material, having two relative sides is stairstepping.
Further, described light source is positioned at a side crossing with described exiting surface, and described side is incidence surface, and in described film material, other three sides crossing with described exiting surface and described bottom surface except described incidence surface are stairstepping.
Further, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, the side relative with described incidence surface is stairstepping.
Further, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, two sides crossing with described incidence surface are stairstepping.
Further, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, a side crossing with described incidence surface is stairstepping.
Further, described film material and described framework are fixed with reflective adhesive tape.
Further, described film material and described framework are fixed with the horizontal extension barricade of described framework.
The invention allows for a kind of liquid crystal indicator, comprise a kind of backlight module as above.
The present invention can solve the problem of traditional backlight module collocation visible area periphery light leak and bright line, and the brightness that can improve backlight module; Adopt the framework of inverted steps shape, and adopt anti-group, be more convenient to assembling, prevent that the skew of film material and foreign matter from entering; At back frame side face and film material side opposite position, increase a reflective adhesive tape or extension barricade, the light that incides frame slot sidewall is reflexed to greatest extent to the central authorities of visible area, can further increase backlight module brightness.
Accompanying drawing explanation
Fig. 1 is that in prior art, film material side is the backlight module generalized section of the light leakage on inclined plane;
Fig. 2 is a kind of stepped wall view of the backlight module of full run-down type;
Fig. 3 is a kind of vertical wall view of the backlight module of full run-down type;
Fig. 4 is a kind of vertical wall view of the backlight module of full run-down type;
Fig. 5 is a kind of vertical wall view of the backlight module of full run-down type;
Fig. 6 is a kind of vertical wall view of the backlight module of full run-down type;
Fig. 7 is a kind of stepped wall view of the backlight module of side light inlet type;
Fig. 8 is a kind of vertical wall view of the backlight module of side light inlet type;
Fig. 9 is a kind of vertical wall view of the backlight module of side light inlet type;
Figure 10 is a kind of vertical wall view of the backlight module of side light inlet type;
Figure 11 is a kind of vertical wall view of the backlight module of side light inlet type;
Figure 12 is a kind of incidence surface view of the backlight module of side light inlet type;
Figure 13 is a kind of vertical wall view of the backlight module of side light inlet type;
Figure 14 is a kind of vertical wall view of the backlight module of side light inlet type;
Figure 15 is a kind of incidence surface view of the backlight module of side light inlet type;
Figure 16 is a kind of stepped wall view of the backlight module of side light inlet type.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.It should be noted that, following examples are only for embodying the preferred embodiment of purport of the present invention, but not the restriction that the present invention is carried out.
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not entire infrastructure.
Embodiment mono-
Backlight module described in the present embodiment, comprises light source, framework and for described light source being converted into the film material of uniform area light source, its middle frame holds described light source and described film material.If be exiting surface in order to the face of directing light outgoing in film material, the face relative with described exiting surface is bottom surface, and the face adjacent with light source is incidence surface.
Described film material is for described light source is converted into uniform area light source, and according to different technique, described film material has nuance.The composition of the film material in the present embodiment is followed successively by from the bottom up: reflector plate, LGP, diffusion sheet, lower prismatic lens, upper prismatic lens composition.
Described framework holds described light source and described film material, and described light source can be positioned at the below of described film material, also can be positioned in a side of four sides of film material.Connect the position in irradiation source, this backlight film piece can be divided into two kinds, full run-down type and side light inlet type, and concrete structure is as follows:
Full run-down type: light source is placed in film material below, described light source uses W type fluorescent tube conventionally, light source is penetrated by spontaneous light source and by after baffle reflection, upwards after diffuser plate is dispersed, penetrate in front, because accommodation space becomes large, fluorescent tube can use more than one fluorescent tube according to TFT panel size, and advantage is that briliancy is high, bright dipping visual angle good, light utilization ratio is high, simple in structure, and shortcoming is to exist thickness thicker and have a problem that temperature is high.
Side light inlet type: light source is placed in film material side, can select straight type, L-type and U-shaped fluorescent tube or light emitting diode according to pattern and the optic demand of film material, and advantage is thinner thickness and the problem without excess Temperature.
What employing was more at present is side light inlet type.
Backlight module described in the present embodiment, adopt full run-down type or side light inlet type no matter be, in described film material in the side crossing with described exiting surface, at least having a side is stairstepping, the side of described stairstepping extends out successively in the direction along described exiting surface to described bottom surface, accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.
In the time being full run-down type, can be in four sides arbitrarily one side, two sides or three be stairstepping, can be also that four sides are stairstepping.Refer to embodiment bis-.
In the time being side light inlet type, one of them side is incidence surface, and in other three sides, can be any one side, two sides in three sides is stairstepping, is also stairstepping with three sides.Refer to embodiment tri-.
Embodiment bis-
The present embodiment provides a kind of backlight module of full run-down type, and the face in order to directing light outgoing in film material of establishing is exiting surface, and the face relative with described exiting surface is bottom surface, and the face adjacent with light source is incidence surface, and bottom surface is incidence surface.Can be in four sides arbitrarily one side, two sides or three be stairstepping, can be also that four sides are stairstepping.
The present embodiment and prior art progress part are:
For the backlight module of full run-down type, in described film material, beyond four sides except exiting surface and bottom surface, in other four sides crossing with described exiting surface, at least having a side is stairstepping, the side of described stairstepping extends out successively in the direction along described exiting surface to described bottom surface, accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.Concrete stairstepping as shown in Figure 2.
For the backlight module of full run-down type, comprise following situation:
(1) four side is stairstepping.
(2) having three sides is stairstepping;
(3) having two sides is stairstepping, and the side of described two stairsteppings is opposite face;
(4) having two sides is stairstepping, and the side of described two stairsteppings is adjacent surface;
(5) having a side is stairstepping.
Particularly:
Situation one: four sides of film material are stairstepping, under this situation, front view, left view, right view and rearview are shape as shown in Figure 2.
Situation two: in four sides of film material, arbitrary side is other shapes, other three sides are stairstepping, wherein for the side of other shapes can be arbitrary shape, for can counter group of installation, as long as it is up-small and down-big to meet film material.For example, in four sides, trailing flank is vertical wall, other three sides: leading flank, and trailing flank, left surface and right flank are stepped wall, and as shown in Figure 2, rearview is as shown in Figure 3 for its front view, left view, right view.
Situation three: two sides that oppose in four sides of film material are stepped wall, and the side of two other opposition is other arbitrary shapes, for can counter group of installation, as long as it is up-small and down-big to meet film material.For example, in four sides, former and later two sides are vertical wall, and side, two of left and right is stepped wall, and as shown in Figure 2, left view and right view are as shown in Figure 4 for its front view and rearview.
Situation four: in four sides of film material, adjacent two sides are stepped wall arbitrarily, and two other side is other arbitrary shapes, for can counter group of installation, as long as it is up-small and down-big to meet film material.For example, in four sides, left surface and leading flank are stepped wall, and right flank and trailing flank are vertical wall, and as shown in Figure 2, as shown in Figure 5, right view as shown in Figure 6 for rearview for front view and left view.
Situation five: in four sides of film material, any one side is stepped wall, other three sides are other arbitrary shapes, for can counter group of installation, as long as it is up-small and down-big to meet film material.For example, in four sides, leading flank is stepped wall, and left surface, right flank and trailing flank are vertical wall, and as shown in Figure 2, as shown in Figure 5, as shown in Figure 6, rear face as shown in Figure 4 for right flank for a left side and face for front view.
If there is two or more stairsteppings side in film material, the step number of the side of each stairstepping can equate also can not wait, and is preferably equal.
Wherein, ladder number in described mould material can be designed to equate with the number of plies of the composition sheet material of described film material, conventional method is ladder of layer of plate, and each laminate material of described film material extends out in the side of described stairstepping to described bottom surface successively along described exiting surface.For example, the composition of the film material in the present embodiment is followed successively by from the bottom up: reflector plate, LGP, diffusion sheet, lower prismatic lens, upper prismatic lens composition, from the bottom up, every tunic material is larger in stair-stepping side surface direction than the film material above it.Also can be two-layer or a ladder of sheet material composition that multilayer is adjacent, as long as step number is not less than 2, for example, and can reflector plate and a ladder of LGP composition, ladder of diffusion sheet, lower prismatic lens and upper prismatic lens form a ladder.
Accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.The stepped sides of described film material and the stitching portion of described framework can be fixed by reflective adhesive tape, part light is through film material, and after beating on reflective adhesive tape, this reflective adhesive tape continues light reflection to return film material, make light in the utilization of film material inner loop, prevent light leakage phenomena.
The top of described film material and the stitching portion of described framework both can be fixed with shading rubber belt, also can fix with the horizontal extension barricade of described framework.
Embodiment tri-
The present embodiment provides a kind of backlight module of side light inlet type.If be exiting surface in order to the face of directing light outgoing in film material, the face relative with described exiting surface is bottom surface, and the face adjacent with light source is incidence surface.Can be any one side, two sides in three sides is stairstepping, is also stairstepping with three sides.
The present embodiment and prior art progress part are:
For the backlight module of side light inlet type, in described film material, in four sides except exiting surface and bottom surface, except receiving the face of light source, in other three sides crossing with described exiting surface, at least having a side is stairstepping, and the side of described stairstepping extends out successively in the direction along described exiting surface to described bottom surface, accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.Concrete stairstepping as shown in Figure 7.
For the backlight module of side light inlet type, comprise following situation:
(1) three side is stairstepping.
(2) having two sides is stairstepping, and the side of described two stairsteppings is opposite face;
(3) having two sides is stairstepping, and the side of described two stairsteppings is adjacent surface;
(4) having a side is stairstepping, and described stairstepping side is the side relative with incidence surface;
(5) having a side is stairstepping, and described stairstepping side is the side crossing with incidence surface;
Particularly:
Situation one: in four sides of film material, except incidence surface, other three sides are stairstepping, suppose that incidence surface is at trailing flank, other three sides: leading flank, left surface and right flank are stepped wall, all as shown in Figure 7, rearview as shown in figure 10 for its front view, left view and right view.
Situation two: two sides that oppose in four sides of film material are stepped wall, in the side of two other opposition, one is that one of incidence surface is other arbitrary shapes, for can counter group of installation, as long as to meet film material up-small and down-big for other arbitrary shapes.Suppose that incidence surface is at trailing flank, in other three sides, two sides, left and right are stepped wall, and as shown in figure 11, all as shown in Figure 7, rearview as shown in figure 10 for left view and right view for front view.
Situation three: in four sides of film material, adjacent two sides are stepped wall, in the side of two other opposition, one is that one of incidence surface is other arbitrary shapes, for can counter group of installation, as long as to meet film material up-small and down-big for other arbitrary shapes.For example, in four sides, two adjacent side are stepped wall.Suppose that incidence surface is at trailing flank, incidence surface and right flank are vertical wall, and left surface and leading flank are stepped wall, and all as shown in Figure 7, as shown in Figure 9, rearview as shown in figure 15 for right view for front view and left view.
Situation four: having a side is stairstepping, described stairstepping side is the side relative with incidence surface, suppose that incidence surface is at trailing flank, incidence surface, left surface and right flank are that vertical wall is example, leading flank is stepped wall, and as shown in Figure 7, left view as shown in Figure 8 for front view, as shown in Figure 9, rearview as shown in figure 12 for right view.
Situation five: having a side is stairstepping, and described stairstepping side is the side crossing with incidence surface.For example, suppose that incidence surface is at trailing flank, left surface is stepped wall, and incidence surface, right flank and positive side are vertical wall, and as shown in figure 13, as shown in Figure 7, as shown in figure 14, rearview as shown in figure 15 for right view for left view for front view.
The top of described film material and the stitching portion of described framework both can be fixing as shown in Figure 7 with shading rubber belt, also can be fixing as shown in figure 16 with the horizontal extension barricade of described framework.
If there is two or more stairsteppings side in film material, the step number of the side of each stairstepping can equate also can not wait, and is preferably equal.
Wherein, ladder number in described mould material can be designed to equate with the number of plies of the composition sheet material of described film material, conventional method is ladder of layer of plate, and each laminate material of described film material extends out in the side of described stairstepping to described bottom surface successively along described exiting surface.For example, the composition of the film material in the present embodiment is followed successively by from the bottom up: reflector plate, LGP, diffusion sheet, lower prismatic lens, upper prismatic lens composition, from the bottom up, every tunic material is larger in stair-stepping side surface direction than the film material above it.Also can be two-layer or a ladder of sheet material composition that multilayer is adjacent, as long as step number is not less than 2, for example, and can reflector plate and a ladder of LGP composition, ladder of diffusion sheet, lower prismatic lens and upper prismatic lens form a ladder.
Accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.The stepped sides of described film material and the stitching portion of described framework can be fixed by reflective adhesive tape, part light is through film material, and after beating on reflective adhesive tape, this reflective adhesive tape continues light reflection to return film material, make light in the utilization of film material inner loop, prevent light leakage phenomena.
The top of described film material and the stitching portion of described framework both can be fixing as shown in Figure 5 with shading rubber belt, also can be fixing as shown in Figure 6 with the horizontal extension barricade of described framework.
The present invention can solve the problem of traditional backlight module collocation visible area periphery light leak and bright line, and the brightness that can improve backlight module; Adopt the framework of inverted steps shape, and adopt anti-group, be convenient to assembling, prevent that the skew of film material and foreign matter from entering; At back frame side face and film material side opposite position, increase a reflective adhesive tape or extension barricade, the light that incides frame slot sidewall is reflexed to greatest extent to the central authorities of visible area, can further increase backlight module brightness.
Below be only the explanation of doing for the preferred embodiments of the present invention and know-why thereof; and the restriction of not technology contents of the present invention being carried out; anyly be familiar with those skilled in the art in technical scope disclosed in this invention; the variation of easily expecting or replacement, all should be encompassed in protection scope of the present invention.
Claims (15)
1. a backlight module, comprises light source, framework and for described light source being converted into the film material of uniform area light source, described framework holds described light source and described film material, in described film material, be exiting surface in order to the face of directing light outgoing, the face relative with described exiting surface is bottom surface, it is characterized in that
In described film material in the side crossing with described exiting surface, at least having a side is stairstepping, the side of described stairstepping extends out successively in the direction along described exiting surface to described bottom surface, accordingly, in described framework, the side relative with the side of the stairstepping of described film material is the stairstepping mating with the stairstepping of described film material.
2. backlight module as claimed in claim 1, is characterized in that, the side of described stairstepping is at least two-layer stairstepping and extends out.
3. backlight module as claimed in claim 2, is characterized in that, each laminate material of described film material extends out in the side of described stairstepping to described bottom surface successively along described exiting surface.
4. backlight module as claimed in claim 3, is characterized in that, described film material is followed successively by reflector plate, LGP, diffusion sheet, lower prismatic lens and upper prismatic lens along bottom surface to the sheet material of exiting surface.
5. backlight module as claimed in claim 4, is characterized in that, described film material is two-layer ladder to bottom surface in the side of described stairstepping along exiting surface and extends out.
6. backlight module as claimed in claim 4, is characterized in that, described film material is four layers of ladder and extends out in the side of described stairstepping along exiting surface to bottom surface.
7. backlight module as claimed in claim 1, is characterized in that, described light source is positioned at described film material bottom surface, and four sides crossing with described exiting surface and described bottom surface of described film material are stairstepping.
8. backlight module as claimed in claim 1, is characterized in that, described light source is positioned at described film material bottom surface, and in four sides crossing with described exiting surface and described bottom surface of described film material, having two relative sides is stairstepping.
9. backlight module as claimed in claim 1, it is characterized in that, described light source is positioned at a side crossing with described exiting surface, and described side is incidence surface, in described film material, other three sides crossing with described exiting surface and described bottom surface except described incidence surface are stairstepping.
10. backlight module as claimed in claim 1, is characterized in that, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, the side relative with described incidence surface is stairstepping.
11. backlight modules as claimed in claim 1, is characterized in that, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, two sides crossing with described incidence surface are stairstepping.
12. backlight modules as claimed in claim 1, is characterized in that, described light source is positioned at a side crossing with described exiting surface, and the side that described light source is positioned at is incidence surface, and in described film material, a side crossing with described incidence surface is stairstepping.
13. backlight modules as claimed in claim 1, is characterized in that, described film material and described framework are fixed with reflective adhesive tape.
14. backlight modules as claimed in claim 1, is characterized in that, described film material and described framework are fixed with the horizontal extension barricade of described framework.
15. 1 kinds of liquid crystal indicators, is characterized in that, comprise the backlight module as described in one of claim 1-14.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210594830.2A CN103912819A (en) | 2012-12-31 | 2012-12-31 | Backlight module and liquid crystal display device |
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| CN201210594830.2A CN103912819A (en) | 2012-12-31 | 2012-12-31 | Backlight module and liquid crystal display device |
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| CN104460066A (en) * | 2014-12-26 | 2015-03-25 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| CN104777668A (en) * | 2015-03-24 | 2015-07-15 | 业成光电（深圳）有限公司 | Display device |
| CN108563065A (en) * | 2018-03-12 | 2018-09-21 | 厦门天马微电子有限公司 | Backlight module, manufacturing method and display device |
| EP3422058A4 (en) * | 2016-02-22 | 2019-10-30 | BOE Technology Group Co., Ltd. | PERIPHERAL LIGHTING BACKLIGHT UNIT AND DISPLAY DEVICE |
| CN110706659A (en) * | 2019-10-23 | 2020-01-17 | 厦门天马微电子有限公司 | Display compensation method, display and display device |
| WO2021218580A1 (en) * | 2020-04-30 | 2021-11-04 | 深圳市万普拉斯科技有限公司 | Backlight module and liquid crystal display |
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Application publication date: 20140709 |