WO2012142782A1 - 液晶显示装置及其背光模组 - Google Patents
液晶显示装置及其背光模组 Download PDFInfo
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- WO2012142782A1 WO2012142782A1 PCT/CN2011/075626 CN2011075626W WO2012142782A1 WO 2012142782 A1 WO2012142782 A1 WO 2012142782A1 CN 2011075626 W CN2011075626 W CN 2011075626W WO 2012142782 A1 WO2012142782 A1 WO 2012142782A1
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- WIPO (PCT)
- Prior art keywords
- optical film
- backlight module
- accommodating groove
- liquid crystal
- crystal display
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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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Definitions
- the present invention relates to the field of display technologies, and in particular, to a liquid crystal display device and a backlight module thereof. ⁇ Background technique ⁇
- the size of the liquid crystal panel that can be manufactured is getting larger and larger.
- the currently mature 8.5 generation line can produce a 110 inch (inch) liquid crystal panel.
- the size of the liquid crystal panel continues to increase, the size of other parts of the backlight module as its light source system must also increase.
- some components in the manufacture of the backlight module are limited to existing manufacturing equipment. Processing capacity, there is no way to meet the size requirements, such as diffuser plates, current processing equipment can not process this size of diffuser. The development of new equipment poses a large risk, and the cost is greatly increased, which is not a preferred solution.
- the invention provides a novel liquid crystal display device and a backlight module thereof, so as to solve the problem that some components in the backlight module manufactured in the prior art are limited to the processing requirements of the existing manufacturing equipment, and there is no way to achieve the size requirement.
- a backlight module which includes a first optical film, a second optical film, a back plate frame, and an optical film supporting device.
- the optical film supporting device is configured to splicing and supporting the first optical film and the second optical film, the optical film supporting device includes a main body portion, a splicing portion and a fixing portion, and the splicing portion splices and supports the splicing portion The first optical film and the second optical film are fixed to the back plate frame.
- the material of the optical film support device is a transparent material.
- the splicing portion includes a first accommodating groove and a second accommodating groove.
- the first accommodating groove and the second accommodating groove are staggered, and the first optical film includes a first edge.
- the second optical film includes a second edge protrusion, the first edge protrusion is received in the first receiving groove, and the second edge protrusion is received in the second receiving groove.
- the first accommodating groove and the second accommodating groove are disposed on a top end surface of the joint portion.
- the first accommodating groove and the second accommodating groove are disposed inside the splicing portion.
- the body portion includes a plurality of through holes. According to a preferred embodiment of the invention, the body portion comprises a plurality of thinned regions.
- the fixing portion is fixed to the backboard frame by screws, glue or a snap structure.
- the first optical film and the second optical film are diffusing plates.
- another technical solution to be used in the present invention is to provide a liquid crystal display device including a liquid crystal panel and a backlight module.
- the backlight module includes a first optical film, a second optical film, a back plate frame, and an optical film supporting device, wherein the optical film supporting device is configured to splicing and supporting the first optical film and the second
- the optical film supporting device includes a main body portion, a splicing portion, and a fixing portion. The splicing portion splices and supports the first optical film and the second optical film, and the fixing portion is fixed to the back plate frame.
- the invention has the following advantages:
- the backlight module and the liquid crystal display device of the invention have an optical film supporting device, and the optical film supporting device can splicing and supporting two or more optical films to satisfy the large-sized optical film.
- the demand for film is practical and reliable, and the cost is low.
- FIG. 1 is a schematic structural view of a preferred embodiment of a backlight module of the present invention
- FIG. 2 is a schematic structural view of a first embodiment of an optical film supporting device of a backlight module of the present invention
- FIG. 3 is a schematic structural view of a second embodiment of an optical film supporting device of a backlight module of the present invention
- a schematic structural view of a third embodiment of an optical film supporting device for inventing a backlight module
- FIG. 5 is a schematic structural view of a preferred embodiment of a liquid crystal display device of the present invention.
- the present invention provides a backlight module 10 including a first optical film 100, a second optical film 200, a back plate frame 300, and an optical film supporting device 400.
- the optical film supporting device 400 is configured to splicing and supporting the first optical film 100 and the second optical film 200.
- the optical film supporting device 400 is integrally injection molded with a transparent material to ensure the optical film.
- the bonding area of the sheet supporting device 400 and the first optical film 100 and the second optical film 200 is uniform.
- the optical film supporting device 400 may be made of a transparent material such as polyacrylonitrile acrylate (PMMA) or polycarbonate (PC).
- the optical film supporting device 400 mainly includes a main body portion 410 , a splicing portion 420 and a fixing portion 430 , and the optical film supporting device 400 of the present invention is provided. Three embodiments.
- the main body portion 410 has a height for supporting the first optical film 100 and the second optical film 200.
- the main body portion 410 is provided with a plurality of through holes 412, which are intended to save the material for integral injection, and the specific shape thereof is not limited to that shown in Fig. 2.
- the joint portion 420 is located at an upper portion of the main body portion 410 for splicing the first optical film 100 and the second optical film 200.
- the splicing portion 420 includes a first accommodating groove 422 and a second accommodating groove 424.
- the first accommodating groove 422 and the second accommodating groove 424 are staggered, and the first optical film 100 includes the first
- the second optical film 200 includes a second edge protrusion 202.
- the first edge protrusion 102 is received in the first receiving groove 422.
- the second edge protrusion 202 is received in the second edge protrusion 202.
- the first accommodating groove 422 and the second accommodating groove 424 are arranged in a rectangular IHJ shape and are disposed on the top surface of the splicing portion 420.
- the fixing portion 430 is located at a lower portion of the main body portion 410.
- the fixing portion 430 can be fixed to the backboard frame 300 by screws, glue or a snap structure.
- the structure of the optical film supporting device 400 is substantially the same as that of the first embodiment, and the same structure can be referred to the above manner.
- the main difference is that, in order to save the material cost, the embodiment uses a plurality of thinned regions 414 on both sides of the main body portion 410. As shown in FIG. 3, the main body portion 410 is not shown. Both sides of the surface are provided with two laterally thinned regions 414.
- the shape and number of the thinned regions 414 are not limited to those shown in FIG.
- the structure of the optical film supporting device 400 is substantially the same as that of the second embodiment, and the same structure can be referred to the above manner.
- the main difference between the first accommodating groove and the second accommodating groove 424 is disposed inside the splicing portion 420, so that the first optical film 100 and the second optical film are not described.
- the engagement with the optical film support device 400 is more compact.
- the first optical film 100 and the second optical film 200 may be diffusion plates, concentrating plates or other suitable optical components.
- the backlight module 10 of the present invention has an optical film supporting device 400 through which two or more optical films are spliced.
- the film can meet the needs of large-size optical films, which is practical and reliable, and low in cost.
- the present invention further provides a liquid crystal display device 1 including a liquid The crystal panel 20 and the backlight module 10 described above.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Description
液晶显示装置及其背光模组
【技术领域】
本发明涉及显示器技术领域, 特别是涉及一种液晶显示装置及其背光模组。 【背景技术】
随着液晶面板世代线的进步, 可以制造的液晶面板尺寸越来越大, 例如目 前技术比较成熟的 8.5代线, 就可以生产 110英寸 (inch ) 的液晶面板。
随着液晶面板尺寸的不断增大, 作为其光源系统的背光模组的其他部分零 组件的尺寸也必需随之增大, 然而, 制造背光模组中某些零组件因为限于现有 制造设备的加工能力, 没有办法达到尺寸上的要求, 例如扩散板, 目前的加工 设备就无法加工这种尺寸的扩散板。 而研发新设备存在着较大风险, 且成本大 幅提升, 非优选方案。
【发明内容】
本发明提供一种新型的液晶显示装置及其背光模组, 以解决现有技术中制 造背光模组中某些零组件因为限于现有制造设备的加工能力, 没有办法达到尺 寸上要求的问题。
为解决上述技术问题, 本发明釆用的一个技术方案是: 提供一种背光模组, 该背光模组包括第一光学膜片、 第二光学膜片、 背板框架以及光学膜片支撑装 置, 其中, 该光学膜片支撑装置用于拼接并支撑该第一光学膜片和该第二光学 膜片, 该光学膜片支撑装置包括主体部、 拼接部以及固定部, 该拼接部拼接并 支撑该第一光学膜片和该第二光学膜片, 该固定部固定于该背板框架。
根据本发明一优选实施例, 该光学膜片支撑装置的材料为透明材料。
根据本发明一优选实施例, 该拼接部包括第一容置槽和第二容置槽, 该第 一容置槽和该第二容置槽交错排列, 该第一光学膜片包括第一边缘凸出部, 该 第二光学膜片包括第二边缘凸出部, 该第一边缘凸出部收纳于该第一容置槽, 该第二边缘凸出部收纳于该第二容置槽。
根据本发明一优选实施例, 该第一容置槽和该第二容置槽设置在该拼接部 的顶端表面。
根据本发明一优选实施例, 该第一容置槽和该第二容置槽设置在该拼接部 的内部。
根据本发明一优选实施例, 该主体部包括多个通孔。
根据本发明一优选实施例, 该主体部包括多个削薄区。
根据本发明一优选实施例, 该固定部通过螺钉、 粘胶或者卡扣结构固定于 该背板框架。
根据本发明一优选实施例, 该第一光学膜片和该第二光学膜片为扩散板。 为解决上述技术问题, 本发明釆用的另一个技术方案是: 提供一种液晶显 示装置, 该液晶显示装置包括液晶面板及背光模组。 该背光模组包括第一光学 膜片、 第二光学膜片、 背板框架以及光学膜片支撑装置, 其中, 该光学膜片支 撑装置用于拼接并支撑该第一光学膜片和该第二光学膜片 , 该光学膜片支撑装 置包括主体部、 拼接部以及固定部, 该拼接部拼接并支撑该第一光学膜片和该 第二光学膜片, 该固定部固定于该背板框架。
本发明的有益效果是: 本发明的背光模组及液晶显示装置具有光学膜片支 撑装置, 通过该光学膜片支撑装置拼接并支撑两块或多块光学膜片的方式可满 足大尺寸光学膜片的需求, 实用可靠, 成本低廉。
【附图说明】
图 1为本发明背光模组一优选实施例的结构示意图;
图 2为本发明背光模组的光学膜片支撑装置的第一实施例的结构示意图; 图 3为本发明背光模组的光学膜片支撑装置的第二实施例的结构示意图; 图 4 为本发明背光模组的光学膜片支撑装置的第三实施例的结构示意图; 以及
图 5为本发明液晶显示装置一优选实施例的结构示意图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细说明。
请参阅图 1 , 本发明提供了一种背光模组 10, 该背光模组 10包括第一光学 膜片 100、 第二光学膜片 200、 背板框架 300以及光学膜片支撑装置 400。
其中, 该光学膜片支撑装置 400用于拼接并支撑该第一光学膜片 100和该 第二光学膜片 200 , 该光学膜片支撑装置 400釆用透明材料一体注射成型, 以保 证该光学膜片支撑装置 400与该第一光学膜片 100和该第二光学膜片 200的接 合区出光均匀。例如该光学膜片支撑装置 400可釆用聚曱基丙烯酸曱酯( PMMA ) 或聚碳酸酯(PC )等透明材料。
具体而言,请一并参阅图〗至图 4, 该光学膜片支撑装置 400主要包括主体 部 410、 拼接部 420以及固定部 430, 本发明给出了该光学膜片支撑装置 400的
三个实施例。
请参阅图 2 , 在该光学膜片支撑装置 400的第一实施例中, 该主体部 410具 有一定高度, 用于支撑该第一光学膜片 100和该第二光学膜片 200。 为了节省材 料成本, 该主体部 410设有多个通孔 412, 该多个通孔 412旨在节省一体注射的 用材, 其具体形状并不限于附图 2所示。
该拼接部 420位于该主体部 410的上部, 用于拼接该第一光学膜片 100和 该第二光学膜片 200。 具体地, 该拼接部 420包括第一容置槽 422和第二容置槽 424, 该第一容置槽 422和该第二容置槽 424交错排列, 该第一光学膜片 100包 括第一边缘凸出部 102, 该第二光学膜片 200包括第二边缘凸出部 202, 该第一 边缘凸出部 102收纳于该第一容置槽 422,该第二边缘凸出部 202收纳于该第二 容置槽 424。在本实施例中, 该第一容置槽 422和该第二容置槽 424呈矩形 IHJ凸 交替状, 设置在该拼接部 420的顶端表面。
该固定部 430位于该主体部 410的下部, 该固定部 430可通过螺钉、 粘胶 或者卡扣结构等方式固定于该背板框架 300。
接下来, 请参阅图 3 , 在该光学膜片支撑装置 400的第二实施例中, 该光学 膜片支撑装置 400 的结构与第一实施例大致相同, 其相同的结构可参照上述方 式, 此处不再赘述, 其主要不同之处在于, 为了节省材料成本, 本实施例釆用 在该主体部 410两侧表面设置多个削薄区 414的方式, 如图 3所示, 该主体部 410的两侧表面均设置有横向的两块削薄区 414, 当然, 该削薄区 414的形状和 数量也并不限于图 3所示。
接下来, 请参阅图 4, 在该光学膜片支撑装置 400的第三实施例中, 该光学 膜片支撑装置 400 的结构与第二实施例大致相同, 其相同的结构可参照上述方 式, 此处不再赘述, 其主要不同之处在于, 该第一容置槽和该第二容置槽 424 设置在该拼接部 420的内部, 使得该第一光学膜片 100和该第二光学膜片 200 与该光学膜片支撑装置 400的接合更为紧凑。
在本发明实施例中, 该第一光学膜片 100和该第二光学膜片 200可以为扩 散板、 聚光板或者其它合适的光学元件。
综上所述, 本领域技术人员容易理解, 本发明的有益效果是: 本发明的背 光模组 10具有光学膜片支撑装置 400, 通过该光学膜片支撑装置 400拼接两块 或多块光学膜片的方式可满足大尺寸光学膜片的需求, 实用可靠, 成本低廉。
请参阅图 5 , 本发明还提供一种液晶显示装置 1 , 该液晶显示装置 1包括液
晶面板 20及上述的背光模组 10。
以上所述仅为本发明的示例性实施例, 并非因此限制本发明的专利保护范 围, 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换, 或直 接或间接运用在其他相关的技术领域, 均同理包括在本发明的专利保护范围内。
Claims
1、 一种背光模组, 包括第一光学膜片、 第二光学膜片和背板框架, 其特征 在于, 所述背光模组进一步包括光学膜片支撑装置, 所述光学膜片支撑装置拼 接并支撑所述第一光学膜片和所述第二光学膜片, 所述光学膜片支撑装置包括: 主体部;
拼接部, 所述拼接部拼接并支撑所述第一光学膜片和所述第二光学膜片; 以及
固定部, 所述固定部固定于所述背板框架。
2、 根据权利要求 1所述的背光模组, 其特征在于, 所述光学膜片支撑装置 的材料为透明材料。
3、 根据权利要求 2所述的背光模组, 其特征在于, 所述拼接部包括第一容 置槽和第二容置槽, 所述第一容置槽和所述第二容置槽交错排列, 所述第一光 学膜片包括第一边缘凸出部, 所述第二光学膜片包括第二边缘凸出部, 所述第 一边缘凸出部收纳于所述第一容置槽, 所述第二边缘凸出部收纳于所述第二容 置槽。
4、 根据权利要求 3所述的背光模组, 其特征在于, 所述第一容置槽和所述 第二容置槽设置在所述拼接部的顶端表面。
5、 根据权利要求 3所述的背光模组, 其特征在于, 所述第一容置槽和所述 第二容置槽设置在所述拼接部的内部。
6、 根据权利要求 1所述的背光模组, 其特征在于, 所述主体部包括多个通 孔。
7、 根据权利要求 1所述的背光模组, 其特征在于, 所述主体部包括多个削 薄区。
8、 根据权利要求 1所述的背光模组, 其特征在于, 所述固定部通过螺钉、 粘胶或者卡扣结构固定于所述背板框架。
9、 根据权利要求 2所述的背光模组, 其特征在于, 所述第一光学膜片和所 述第二光学膜片为扩散板。
10、 一种液晶显示装置, 其特征在于, 所述液晶显示装置包括液晶面板及 背光模组, 所述背光模组包括第一光学膜片、 第二光学膜片和背板框架, 所述 背光模组进一步包括光学膜片支撑装置, 所述光学膜片支撑装置拼接并支撑所 述第一光学膜片和所述第二光学膜片, 所述光学膜片支撑装置包括:
主体部;
拼接部, 所述拼接部拼接并支撑所述第一光学膜片和所述第二光学膜片; 以及
固定部, 所述固定部固定于所述背板框架。
11、 根据权利要求 10所述的液晶显示装置, 其特征在于, 所述光学膜片支 撑装置的材料为透明材料。
12、 根据权利要求 11所述的液晶显示装置, 其特征在于, 所述拼接部包括 第一容置槽和第二容置槽, 所述第一容置槽和所述第二容置槽交错排列, 所述 第一光学膜片包括第一边缘凸出部, 所述第二光学膜片包括第二边缘凸出部, 所述第一边缘凸出部收纳于所述第一容置槽, 所述第二边缘凸出部收纳于所述 第二容置槽。
13、 根据权利要求 12所述的液晶显示装置, 其特征在于, 所述第一容置槽 和所述第二容置槽设置在所述拼接部的顶端表面。
14、 根据权利要求 12所述的液晶显示装置, 其特征在于, 所述第一容置槽 和所述第二容置槽设置在所述拼接部的内部。
15、 根据权利要求 10所述的液晶显示装置, 其特征在于, 所述主体部包括 多个通孔。
16、 根据权利要求 10所述的液晶显示装置, 其特征在于, 所述主体部包括 多个削薄区。
17、 根据权利要求 10所述的液晶显示装置, 其特征在于, 所述固定部通过 螺钉、 粘胶或者卡扣结构固定于所述背板框架。
18、 根据权利要求 11所述的液晶显示装置, 其特征在于, 所述第一光学膜 片和所述第二光学膜片为扩散板。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/375,480 US8625045B2 (en) | 2011-04-22 | 2011-06-10 | LCD device and backlight module thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120124765.8 | 2011-04-22 | ||
| CN 201120124765 CN202065796U (zh) | 2011-04-22 | 2011-04-22 | 液晶显示装置及其背光模组 |
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| PCT/CN2011/075626 Ceased WO2012142782A1 (zh) | 2011-04-22 | 2011-06-10 | 液晶显示装置及其背光模组 |
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| Country | Link |
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| WO (1) | WO2012142782A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9803833B2 (en) * | 2013-12-03 | 2017-10-31 | X Development Llc | Multi-aperture illumination layer for tileable display |
| CN108682326A (zh) * | 2018-08-07 | 2018-10-19 | 普利仕科技(苏州工业园区)有限公司 | 一种拼接式背板及采用其的led显示屏 |
| CN110242895A (zh) * | 2019-05-21 | 2019-09-17 | 深圳市海洋王照明工程有限公司 | Led投光灯具 |
| CN111708194B (zh) * | 2020-06-11 | 2021-09-24 | 深圳市华星光电半导体显示技术有限公司 | 显示装置及拼接装置 |
| WO2024259799A1 (zh) * | 2023-06-19 | 2024-12-26 | 瑞仪光电(苏州)有限公司 | 具有窄边框设计的多屏幕背光模组及显示装置 |
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| EP0627638A1 (en) * | 1993-06-02 | 1994-12-07 | Hughes Aircraft Company | Elliptical diffuser |
| JPH10326517A (ja) * | 1997-05-23 | 1998-12-08 | Tama Electric Co Ltd | 背面照光装置 |
| JPH11153965A (ja) * | 1997-11-19 | 1999-06-08 | Nec Corp | 液晶表示モジュール |
| US20080111937A1 (en) * | 2006-11-09 | 2008-05-15 | Chunghwa Picture Tubes, Ltd | Flat panel display and backlight module thereof |
| CN201348220Y (zh) * | 2009-01-19 | 2009-11-18 | 惠科电子(深圳)有限公司 | 一种拼接式大尺寸背光背板 |
| US20100208161A1 (en) * | 2009-02-19 | 2010-08-19 | Victor Company Of Japan, Limited | Backlight device and liquid crystal display |
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2011
- 2011-04-22 CN CN 201120124765 patent/CN202065796U/zh not_active Expired - Lifetime
- 2011-06-10 WO PCT/CN2011/075626 patent/WO2012142782A1/zh not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627638A1 (en) * | 1993-06-02 | 1994-12-07 | Hughes Aircraft Company | Elliptical diffuser |
| JPH10326517A (ja) * | 1997-05-23 | 1998-12-08 | Tama Electric Co Ltd | 背面照光装置 |
| JPH11153965A (ja) * | 1997-11-19 | 1999-06-08 | Nec Corp | 液晶表示モジュール |
| US20080111937A1 (en) * | 2006-11-09 | 2008-05-15 | Chunghwa Picture Tubes, Ltd | Flat panel display and backlight module thereof |
| CN201348220Y (zh) * | 2009-01-19 | 2009-11-18 | 惠科电子(深圳)有限公司 | 一种拼接式大尺寸背光背板 |
| US20100208161A1 (en) * | 2009-02-19 | 2010-08-19 | Victor Company Of Japan, Limited | Backlight device and liquid crystal display |
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| CN202065796U (zh) | 2011-12-07 |
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