WO2013053156A1 - 一种液晶显示装置的背板、背光模组及液晶显示装置 - Google Patents

一种液晶显示装置的背板、背光模组及液晶显示装置 Download PDF

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Publication number
WO2013053156A1
WO2013053156A1 PCT/CN2011/081455 CN2011081455W WO2013053156A1 WO 2013053156 A1 WO2013053156 A1 WO 2013053156A1 CN 2011081455 W CN2011081455 W CN 2011081455W WO 2013053156 A1 WO2013053156 A1 WO 2013053156A1
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Prior art keywords
liquid crystal
display device
crystal display
main board
plastic frame
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PCT/CN2011/081455
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English (en)
French (fr)
Inventor
周革革
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深圳市华星光电技术有限公司
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Priority to US13/375,394 priority Critical patent/US8872994B2/en
Publication of WO2013053156A1 publication Critical patent/WO2013053156A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/0088Positioning aspects of the light guide or other optical sheets in the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0093Means for protecting the light guide
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314Back frames
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50Protective arrangements
    • G02F2201/503Arrangements improving the resistance to shock

Definitions

  • the technical problem to be solved by the present invention is to provide a back panel, a backlight module and a liquid crystal display device of a liquid crystal display device with higher protection strength.
  • a backplane of a liquid crystal display device includes a main board, and a side surface of the main board is provided with a shielding plate corresponding to a position of the plastic frame of the liquid crystal display device.
  • the main board and the shielding plate are integrally formed. This design reduces post-assembly time and increases productivity.
  • the main board is hemmed on a side close to the plastic frame of the liquid crystal display device to form an L-shaped shielding plate, and the plastic frame is wrapped.
  • This is a specific form of shielding plate structure.
  • the inventors have found that people generally grasp the liquid crystal display device from the side of the liquid crystal display device, and the plastic frame is located on the side of the device, and is exposed on the back of the device. Due to the weak strength of the plastic frame, the handling It is easily damaged during the process, which in turn causes damage to the signal board (source pcb).
  • the invention extends the back plate portion of the liquid crystal display device to cover the exposed plastic frame portion. Since the strength of the back plate of the liquid crystal display device is obviously stronger than that of the plastic frame, it is not easily damaged during the handling process, thereby achieving the protection of the plastic frame. And the purpose of the signal board (source pcb).
  • the back panel of the liquid crystal display device is adjacent to the plastic frame, and a shielding plate is directly added from the back panel of the liquid crystal display device, and the process cartridge is single, and the use of the shielding material can be minimized.
  • Figure 2 is a schematic view of a liquid crystal display device of the present invention.
  • FIG. 5 is a schematic diagram of a back plate of a liquid crystal display device according to Embodiment 3 of the present invention.
  • the circuit board is located on the side of the liquid crystal panel 4 and is fixed on the plastic frame 2 on the side, between the plastic frame 2 and the front frame 1 on the side. Since the signal circuit board 8 is separated, the plastic frame 2 needs to be fixed from the bottom of the backlight module by bypassing the signal circuit board 8 and the front frame 1, so that the exposed portion is formed, which is easily damaged during transportation.
  • the side surface of the main board 7 is provided with a shielding plate 9 corresponding to the outer side of the plastic frame 2 of the liquid crystal display device.
  • the backplane is subjected to a bending edge treatment on the side wall of the backboard near the signal circuit board 8 to form the shielding panel 9, so that the plastic frame 2 can be partially wrapped, and the operator is moving.
  • the back plate is directly grasped during the moving process, and the strength of the back plate is obviously stronger than that of the plastic frame 2, so that the plastic frame 2 is not damaged during the handling process, so that the pcb is protected and fixed by 4 inches.
  • the main board 7 and the shielding board 9 of the back board can be designed and formed in one set of molds.
  • the main board may be subjected to hemming processing on the side close to the plastic frame of the liquid crystal display device to form an L-shaped shielding plate to wrap the plastic frame.
  • the visor is a stand-alone bracket, one end of the bracket covers the plastic frame 2, and the other end is fixed to the side of the main board 7 by riveting, screwing or gluing.
  • the visor is a stand-alone bracket, one end of the bracket covers the frame 2, and the other end is fixed to the bottom surface of the main board 7 by means of rivets 10, screws or glue.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)

Abstract

提供了一种液晶显示装置的背板、背光模组及液晶显示装置。该液晶显示装置的背板包括主板(7),所述主板(7)侧面对应于液晶显示装置的胶框(2)位置设有遮蔽板(9)。该液晶显示装置的背板部分通过延伸将裸露的胶框部分遮蔽住,由于液晶显示装置的背板的强度明显强于胶框(2),在搬运过程中不易损伤,从而达到保护胶框(2)以及信号电路板(8)的目的。而液晶显示装置的背板邻近胶框(2),直接从液晶显示装置的背板中加设遮蔽板(9),工艺简单,而且可以尽量减少遮蔽用的材料的使用。

Description

一种液晶显示装置的背板、 背光模组及液晶显示装置
【技术领域】
本发明涉及液晶显示领域, 更具体的说, 涉及一种液晶显示装置的背板、 背光模组及液晶显示装置。
【背景技术】
如图 1 所示, 现有的液晶显示模块包括背光模组和液晶面板, 背光模组包 括: 液晶显示装置的背板、 导光板、 光源、 光学膜片等, 液晶显示侧面则包括 连接和固定液晶面板和背光模组的胶框和前框等部材。 液晶面板包括驱动液晶 显示的信号电路板 ( source pcb) , 现有的液晶显示装置一般在胶框和前框之间设 有空腔, 所述信号电路板 ( source pcb) 就设在空腔内, 其电路板就固定在胶框 上。 然而, 现有的液晶显示装置在般运过程中胶框经常出现损坏, 进而导致信 号电路板 ( source pcb)的损坏。
【发明内容】
本发明所要解决的技术问题是提供一种防护强度更高的液晶显示装置的背 板、 背光模组及液晶显示装置。
本发明的目的是通过以下技术方案来实现的:
一种液晶显示装置的背板, 包括主板, 所述主板侧面对应于液晶显示装置 的胶框位置设有遮蔽板。
优选的, 所述主板和所述遮蔽板一体成型。 这样的设计可以减少后期组装 时间, 提高生产效率。
优选的, 所述主板在贴近所述液晶显示装置的胶框的一侧进行折边处理, 形成 L形的遮蔽板, 将所述胶框包住。 此为一种具体的遮蔽板结构形式。
优选的, 所述遮蔽板固定在所述主板的侧面。 此为一种主板和遮蔽板分离 的技术方案。 优选的, 所述遮蔽板为支架, 所述支架的一边通过铆接方式固定在所述主 板的侧面, 另外一边延伸到所述液晶显示装置的胶框的棵露位置实现完全遮蔽。 此为一种侧安装支架的实施方式。
优选的, 所述遮蔽板固定在所述主板的底面。 此为另一种主板和遮蔽板分 离的技术方案。
优选的, 所述遮蔽板为支架, 所述支架的一边通过铆接方式固定在所述主 板的底面, 另外一边延伸到所述液晶显示装置的胶框的棵露位置实现完全遮蔽。 此为一种底部安装支架的实施方式。
一种背光模组, 包括上述的液晶显示装置的背板。
一种液晶显示装置, 包括液晶面板和背光模组, 所述液晶面板和所述背板 模组侧面设有胶框, 所述液晶面板的信号电路板固定在所述胶框的内侧, 其特 征在于, 所述液晶显示装置还包括上述的液晶显示装置的背板, 所述背板的遮 蔽板对应的设置在所述胶框的外侧。
发明人研究发现, 人们一般在搬运液晶显示装置的时候都是从液晶显示装 置的侧面抓握, 而胶框刚好位于装置侧面, 而且在装置背部棵露出来, 由于胶 框的强度较弱, 搬运过程中就容易损坏, 进而导致信号电路板(source pcb)的损 坏。 本发明将液晶显示装置的背板部分进行延伸, 将棵露的胶框部分遮蔽住, 由于液晶显示装置的背板的强度明显强于胶框, 在搬运过程中不易损伤, 从而 达到保护胶框以及信号电路板 ( source pcb)的目的。 而液晶显示装置的背板邻近 胶框, 直接从液晶显示装置的背板中加设遮蔽板, 工艺筒单, 而且可以尽量减 少遮蔽用的材料的使用。
【附图说明】
图 1是现有的液晶显示装置示意图;
图 2是本发明的液晶显示装置示意图;
图 3是本发明实施例一的液晶显示装置的背板示意图; 图 4是本发明实施例二的液晶显示装置的背板示意图;
图 5是本发明实施例三的液晶显示装置的背板示意图;
其中: 1、 前框; 2、 胶框; 3、 LED灯条; 4、 液晶面板; 5、 导光板; 6、 反射片; 7、 主板; 8、 信号电路板; 9、 遮蔽板; 10、 铆釘
【具体实施方式】
下面结合附图和较佳的实施例对本发明作进一步说明。
如图 2所示, 一种液晶显示装置, 包括背光模组和液晶面板 4, 背光模组底 部为背板的主板 7, 主板 7上面依次包括反射片 6、 导光板 5、 液晶面板 4。 所 述背板的主板 7—侧, 对应于导光板 5入光面的位置固定有 LED灯条 3。 液晶 面板 4和背光模组通过前框 1从侧面进行固定, 液晶面板 4和背光模组之间在 两侧位置通过胶框 2隔离, 该胶框 2延伸到液晶显示装置侧面与前框 1 固定。 所述液晶面板 4还包括有用于驱动液晶显示的信号电路板 8,该电路板位于液晶 面板 4一侧, 固定在该侧面的胶框 2上, 该侧面的胶框 2和前框 1之间由于隔 有信号电路板 8,因此胶框 2需要从背光模组底部绕过信号电路板 8与前框 1固 定, 这样就形成了棵露部分, 容易在搬运过程中损坏。 为了解决胶框 2 易损坏 的问题,所述主板 7侧面对应于液晶显示装置的胶框 2位置的外侧设有遮蔽板 9。
实施例一
如图 3所示, 所述背板在靠近信号电路板 8侧的背板侧壁做折弯边处理, 形 成所述遮蔽板 9, 这样就可以把胶框 2部分包住, 操作者在搬动过程中直接抓背 板, 背板的强度明显强于胶框 2, 这样在搬运过程中胶框 2就不会损坏, 从而 pcb得到 4艮好的保护和固定。 对于塑料材质的背板, 则可以将背板的主板 7和遮 蔽板 9设计在一套模具中加工成型。
另外, 主板在贴近所述液晶显示装置的胶框的一侧也可以进行折边处理, 形 成 L形的遮蔽板, 将所述胶框包住。
实施例二 如图 4所示, 所述遮光板为独立支架, 该支架的一端遮蔽住所述胶框 2, 另 一端通过铆接、 螺丝或胶粘等方式固定在主板 7的侧面。
实施例三
如图 5所示, 所述遮光板为独立支架, 该支架的一端遮蔽住所述胶框 2, 另 一端通过铆釘 10、 螺丝或胶粘等方式固定在主板 7的底面。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明, 不能 认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技 术人员来说, 在不脱离本发明构思的前提下, 还可以做出若干筒单推演或替换, 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种液晶显示装置的背板, 包括: 主板, 所述主板侧面对应于液晶显示 装置的胶框位置设有遮蔽板。
2、 如权利要求 1所述的液晶显示装置的背板, 其特征在于, 所述主板和所 述遮蔽板一体成型。
3、 如权利要求 2所述的液晶显示装置的背板, 其特征在于, 所述主板在贴 近所述液晶显示装置的胶框的一侧进行折边处理, 形成 L形的遮蔽板, 将所述 胶框包住。
4、 如权利要求 1所述的液晶显示装置的背板, 其特征在于, 所述遮蔽板固 定在所述主板的侧面。
5、 如权利要求 4所述的液晶显示装置的背板, 其特征在于, 所述遮蔽板为 支架, 所述支架的一边通过铆接方式固定在所述主板的侧面, 另外一边延伸到 所述液晶显示装置的胶框的棵露位置实现完全遮蔽。
6、 如权利要求 1所述的液晶显示装置的背板, 其特征在于, 所述遮蔽板固 定在所述主板的底面。
7、 如权利要求 5所述的液晶显示装置的背板, 其特征在于, 所述遮蔽板为 支架, 所述支架的一边通过铆接方式固定在所述主板的底面, 另外一边延伸到 所述液晶显示装置的胶框的棵露位置实现完全遮蔽。
8、 一种背光模组, 包括如权利要求 1所述的液晶显示装置的背板; 所述液 晶显示装置的背板包括主板, 所述主板侧面对应于液晶显示装置的胶框位置设 有遮蔽板。
9、 如权利要求 8所述的背光模组, 其特征在于, 所述主板和所述遮蔽板一 体成型。
10、 如权利要求 9所述的背光模组, 其特征在于, 所述主板在贴近所述液 晶显示装置的胶框的一侧进行折边处理, 形成 L形的遮蔽板, 将所述胶框包住。
11、 如权利要求 8 所述的背光模组, 其特征在于, 所述遮蔽板固定在所述 主板的侧面。
12、 如权利要求 11所述的背光模组, 其特征在于, 所述遮蔽板为支架, 所 述支架的一边通过铆接方式固定在所述主板的侧面, 另外一边延伸到所述液晶 显示装置的胶框的棵露位置实现完全遮蔽。
13、 如权利要求 8所述的背光模组, 其特征在于, 所述遮蔽板固定在所述 主板的底面。
14、 如权利要求 12所述的背光模组, 其特征在于, 所述遮蔽板为支架, 所 述支架的一边通过铆接方式固定在所述主板的底面, 另外一边延伸到所述液晶 显示装置的胶框的棵露位置实现完全遮蔽。
15、 一种液晶显示装置, 包括: 液晶面板和背光模组; 所述液晶面板和所 述背板模组侧面设有胶框, 所述液晶面板的信号电路板固定在所述胶框的内侧, 所述液晶显示装置还包括如权利要求 1 所述的液晶显示装置的背板, 所述液晶 显示装置的背板包括主板, 所述主板侧面对应于液晶显示装置的胶框位置设有 遮蔽板, 所述背板的遮蔽板对应的设置在所述胶框的外侧。
16、 如权利要求 15所述的液晶显示装置, 其特征在于, 所述主板和所述遮 蔽板一体成型。
17、 如权利要求 16所述的液晶显示装置, 其特征在于, 所述主板在贴近所 述液晶显示装置的胶框的一侧进行折边处理, 形成 L形的遮蔽板, 将所述胶框 包住。
18、 如权利要求 15所述的液晶显示装置, 其特征在于, 所述遮蔽板固定在 所述主板的侧面。
19、如权利要求 18所述的液晶显示装置, 其特征在于, 所述遮蔽板为支架, 所述支架的一边通过铆接方式固定在所述主板的侧面, 另外一边延伸到所述液 晶显示装置的胶框的棵露位置实现完全遮蔽。
20、 如权利要求 15所述的液晶显示装置, 其特征在于, 所述遮蔽板固定在 所述主板的底面。
21、如权利要求 19所述的液晶显示装置, 其特征在于, 所述遮蔽板为支架, 所述支架的一边通过铆接方式固定在所述主板的底面, 另外一边延伸到所述液 晶显示装置的胶框的裸露位置实现完全遮蔽。
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