WO2013149402A1 - 一种液晶显示装置用中框及液晶显示装置 - Google Patents

一种液晶显示装置用中框及液晶显示装置 Download PDF

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Publication number
WO2013149402A1
WO2013149402A1 PCT/CN2012/073608 CN2012073608W WO2013149402A1 WO 2013149402 A1 WO2013149402 A1 WO 2013149402A1 CN 2012073608 W CN2012073608 W CN 2012073608W WO 2013149402 A1 WO2013149402 A1 WO 2013149402A1
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WIPO (PCT)
Prior art keywords
frame
liquid crystal
crystal display
display device
middle frame
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PCT/CN2012/073608
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English (en)
French (fr)
Inventor
郭仪正
陈仕祥
周革革
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/505,505 priority Critical patent/US20130257239A1/en
Publication of WO2013149402A1 publication Critical patent/WO2013149402A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame

Definitions

  • the present invention relates to the field of liquid crystal display, and more particularly to a middle frame for a liquid crystal display device and a liquid crystal display device using the same.
  • the conventional liquid crystal display device generally includes a front frame, a liquid crystal display panel, a middle frame, a backlight module, a back cover and the like.
  • the middle frame is generally made of a plastic material, and the integral frame has a high strength through integral injection molding.
  • each of the middle frames needs to be separately developed for use in a special mold. Since the special mold is expensive to manufacture and has a long cycle, the cost of the middle frame is high, and the liquid crystal display is also affected. The entire development cycle of the device.
  • the technical problem to be solved by the present invention is to provide a high-strength split type middle frame for a liquid crystal display device and a liquid crystal display device using the same.
  • the technical solution of the present invention is: a middle frame for a liquid crystal display device, wherein the middle frame is a split structure, comprising: a plurality of frame members, wherein the inner surface of the corner of the frame member is further provided with a reinforcing rib, The reinforcing ribs are disposed at two ends of the frame member, the plurality of reinforcing ribs are plural, and the ribs are uniformly disposed on the frame member, the frame member includes a lateral side and a vertical side, and the rib has a shape of a triangle or a right angle In the trapezoidal shape, the reinforcing rib is in contact with the vertical side, and the side is in contact with the lateral side, and the thickness of the reinforcing rib is 0.6-0.8 times the wall thickness of the middle frame.
  • a middle frame for a liquid crystal display device wherein the middle frame is a split structure, and includes a plurality of frame members, and a reinforcing rib is further disposed on an inner surface of the frame member at a corner.
  • the reinforcing ribs are disposed at two ends of the frame member. Since the frame members are generally connected in two or two, the reinforcing ribs are located at the interface of the middle frame, which can improve the strength at the middle frame interface and strengthen the strength of the weak portion of the middle frame.
  • the number of the reinforcing ribs is plural, and the uniform arrangement is arranged on the frame member, and the overall strength of the frame member is better.
  • the frame member comprises a lateral side and a vertical side
  • the reinforcing rib has a shape of a triangle or a right-angled trapezoid, and the reinforcing rib is in contact with the vertical side and is in contact with the lateral side.
  • the thickness of the reinforcing rib is 0.6-0.8 times the wall thickness of the middle frame, which prevents the frame member from being significantly shrunk during the production process.
  • a liquid crystal display device comprising a front frame, a middle frame and a back cover, the middle frame being a split structure, comprising a plurality of frame members, at a corner of the frame member Reinforcing ribs are also provided on the inner surface.
  • the reinforcing ribs are disposed at two ends of the frame member.
  • the number of the reinforcing ribs is plural, and the uniform ribs are disposed on the frame member.
  • the upper end of the side cover of the back cover is bent inward, and the strength of the back cover after bending is higher, and the structure support function is better.
  • the side edges of the rear cover are located on the inner side of the side of the middle frame, and the upper ends of the side edges of the rear cover are bent inward to avoid the reinforcing ribs on the middle frame to prevent the two from interfering with each other during assembly.
  • the beneficial effects of the present invention are as follows:
  • the middle frame of the liquid crystal display device of the present invention adopts a split structure, that is, a plurality of frame members are assembled into a middle frame, and a plurality of frame members can be assembled into a middle frame of different sizes, and it is not necessary for each
  • the middle frame produces a special mold, so the cost can be reduced, and the development cycle can be shortened.
  • the split type middle frame is weak, especially at the interface of the frame member. The larger the middle frame size, the more the required frame member is. More, the more interfaces, the weaker the strength of the middle frame, and it is not easy to meet the design requirements.
  • Reinforcing ribs are provided on the inner surface of the corner of the middle frame frame member, and the reinforcing ribs can increase the strength of the middle frame, and the frame members of the same cross-section can be spliced to a larger size and meet the strength requirement of the middle frame.
  • FIG. 1 is a schematic structural view of an embodiment of a liquid crystal display device of the present invention.
  • FIG. 2 is a schematic structural view of a middle frame embodiment of a liquid crystal display device of the present invention
  • Fig. 3 is a view showing the structure of another embodiment of the inner frame for the liquid crystal display device of the present invention.
  • the present invention discloses a liquid crystal display device.
  • the front frame 1, the middle frame 2 and the rear cover 3 are included, and the middle frame 2 is a split structure, including a plurality of frame members 21, the inner surface of the corner of the frame member 21 is further provided with a reinforcing rib 22, the frame member 21 includes a lateral side and a vertical side, and the reinforcing rib 22 is in contact with the vertical side, and the side is in contact with the horizontal side.
  • the rib 22 has a triangular shape. According to actual needs, a rib having a right-angled trapezoid shape may also be used.
  • the thickness of the rib 22 is preferably 0.6-0.8 times the wall thickness of the middle frame 2.
  • the frame member 21 can be prevented from being significantly shrunk during the production process.
  • the middle frame 2 for a liquid crystal display device of the present invention adopts a split structure, that is, a plurality of frame members 21 are assembled into a middle frame, and the plurality of frame members 21 can be assembled into a middle frame of different sizes, and it is not necessary to specially manufacture for each of the middle frames.
  • the mold can reduce the cost and shorten the development cycle, but the split-type middle frame is weaker, especially at the interface of the frame member. The larger the middle frame size, the more frame members are needed, and the interface is also The more the middle frame is weaker, the easier it is to meet the design requirements.
  • a reinforcing rib 22 is provided on the inner surface of the corner of the frame member 21, and the reinforcing rib 22 can increase the strength of the middle frame 2, and the frame member 21 of the same cross-section can be spliced to a larger size and meet the strength requirement of the middle frame 2 .
  • the reinforcing ribs 22 are disposed at both ends of the frame member 21. Since the frame members 21 are generally connected in two, the ribs 22 are located at the interface of the middle frame 2. It has been described in the prior art that the split middle frame is weak at the interface.
  • the present invention provides the rib 22 at the interface of the middle frame 2, which can improve the strength of the middle frame 2 interface and make the middle frame 2 weak. The strength of the part is strengthened.
  • a plurality of reinforcing ribs 22 may be added in the middle of the frame member 21, and the reinforcing ribs 22 are uniformly disposed on the frame member 21, and the overall strength of the frame member 21 is better.
  • the upper end of the side edge of the back cover 3 is bent inward, and the strength of the back cover 3 after bending Higher, better structural support, since the side of the back cover 3 is located on the inner side of the side of the middle frame 2, the upper end of the side cover of the rear cover 3 is bent inward, and another function is Avoid the ribs 22 on the middle frame 2 to prevent the two from interfering with each other during assembly.
  • the reinforcing rib 22 is an entire strip, and penetrates the entire length of the frame member 21 to make the frame member 21 strong in the entire length direction. All of the structures and advantages are the same as those in the above embodiments, and are not described herein again.

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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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种液晶显示装置用中框（2）及使用该中框（2）的液晶显示装置，其中所述中框（2）为分体式结构，包括多个边框构件（21），所述边框构件（21）的转角处的内面上还设置有加强筋（22），所述加强筋（22）可使中框（2）的强度增加。利用同样截面的边框构件（21）可以拼接出更大尺寸且符合强度要求的中框（21）。

Description

一种液晶显示装置用中框及液晶显示装置
【技术领域】
本发明属于液晶显示领域， 更具体的说， 涉及一种液晶显示装置用中框及 采用该中框的液晶显示装置。
【背景技术】
现有液晶显示装置一般包括前框、 液晶显示面板、 中框、 背光模组、 后盖 等部件， 其中中框一般由塑料材料制成， 通过一体注塑成型， 一体成型的中框 强度较高， 但由于液晶显示装置有多种不同的尺寸规格， 每种中框都需要单独 开发专用模具进行制作， 由于专用模具制作成本高、 周期长， 使中框的成本居 高不下， 而且还影响液晶显示装置的整个开发周期。
【发明内容】
本发明所要解决的技术问题是提供一种液晶显示装置用的、 高强度的分体 式中框及采用该中框的液晶显示装置。
本发明的技术方案为： 一种液晶显示装置用中框， 所述中框为分体式结构， 包括： 多个边框构件， 所述边框构件的转角处的内面上还设置有加强筋， 所述 加强筋设置在边框构件的两端， 所述加强筋数量为多个， 均布设置在边框构件 上， 所述边框构件包括一横边和一竖边， 所述加强筋的形状为三角形或直角梯 形， 加强筋一边与竖边接触， 一边与横边接触， 所述加强筋的厚度为中框壁厚 的 0.6-0.8倍。
本发明的另一种技术方案为： 一种液晶显示装置用中框， 所述中框为分体 式结构， 包括多个边框构件， 所述边框构件的转角处的内面上还设置有加强筋。
优选的， 所述加强筋设置在边框构件的两端。 由于边框构件一般为两两相 接， 所以加强筋位于中框的接口处， 可以提高中框接口处的强度， 使中框薄弱 部位的强度得到加强。 优选的， 所述加强筋数量为多个， 均布设置在边框构件上， 边框构件的整 体强度更好。
优选的， 所述边框构件包括一横边和一竖边， 所述加强筋的形状为三角形 或直角梯形， 加强筋一边与竖边接触， 一边与横边接触。
优选的， 所述加强筋的厚度为中框壁厚的 0.6-0.8倍， 可防止边框构件在生 产过程中产生明显缩水。
本发明还公开了另一种技术方案： 一种液晶显示装置， 包括前框、 中框和 后盖， 所述中框为分体式结构， 包括多个边框构件， 所述边框构件的转角处的 内面上还设置有加强筋。
优选的， 所述加强筋设置在边框构件的两端。
优选的， 所述加强筋数量为多个， 均布设置在边框构件上。
优选的， 所述后盖的侧边上端向内折弯， 折弯后的后盖的强度更高， 更好 地起到结构支撑作用。
优选的， 所述后盖的侧边位于中框的侧边内侧， 所述后盖的侧边上端向内 折弯， 以避开中框上的加强筋， 防止装配时两者相互干涉。
本发明的有益效果为： 本发明液晶显示装置用中框采用分体式结构， 即由 多个边框构件组装成中框， 多个边框构件可以组装成不同尺寸规格的中框， 不 必再为每种中框制作专门的模具， 所以可以降低成本， 还可以缩短开发周期， 但此种分体式的中框强度较弱， 尤其在边框构件的接口处， 中框尺寸越大， 需 要的边框构件就越多， 接口也越多， 中框的强度越弱， 容易达不到设计要求。 在中框边框构件的转角处的内面上设置加强筋， 所述加强筋可使中框的强度增 加， 同样截面的边框构件可以拼接出更大尺寸且符合强度要求的中框。
【附图说明】
图 1是本发明液晶显示装置实施例的结构示意图；
图 2是本发明液晶显示装置用中框实施例的结构示意图； 图 3是本发明液晶显示装置用中框另一实施例的结构示意图。
其中： 1、 前框； 2、 中框； 21、 边框构件； 22、 加强筋； 3、 后盖。
【具体实施方式】
本发明公开一种液晶显示装置，作为液晶显示装置的实施例，如图 1和图 2 所示， 包括前框 1、 中框 2和后盖 3 , 所述中框 2为分体式结构， 包括多个边框 构件 21 , 所述边框构件 21的转角处的内面上还设置有加强筋 22, 边框构件 21 包括一横边和竖边，加强筋 22—边与竖边接触， 一边与横边接触， 本实施例中， 所述加强筋 22形状为三角形， 根据实际需要， 也可以采用形状为直角梯形的加 强筋，所述加强筋 22的厚度优选值为中框 2壁厚的 0.6-0.8倍， 可防止边框构件 21在生产过程中产生明显缩水。
本发明液晶显示装置用中框 2采用分体式结构， 即由多个边框构件 21组装 成中框， 多个边框构件 21可以组装成不同尺寸规格的中框， 不必再为每种中框 制作专门的模具， 所以可以降低成本， 还可以缩短开发周期， 但此种分体式的 中框强度较弱， 尤其在边框构件的接口处， 中框尺寸越大， 需要的边框构件就 越多， 接口也越多， 中框的强度越弱， 容易达不到设计要求。 在边框构件 21的 转角处的内面上设置有加强筋 22, 所述加强筋 22可使中框 2的强度增加， 同样 截面的边框构件 21可以拼接出更大尺寸且符合强度要求的中框 2。
在本实施例中， 所述加强筋 22设置在边框构件 21的两端， 由于边框构件 21一般为两两相接，所以加强筋 22位于中框 2的接口处。背景技术中已有描述， 分体式的中框在接口处强度较弱， 本发明在中框 2的接口处设置加强筋 22, 可 以提高中框 2接口处的强度， 使中框 2薄弱处的部位强度得到加强。
如果单个边框构件 21的长度较长时， 还可以在边框构件 21的中部增设多 个加强筋 22, 加强筋 22均布设置在边框构件 21上， 边框构件 21的整体强度更 好。
在本实施例中， 所述后盖 3的侧边上端向内折弯， 折弯后的后盖 3的强度 更高， 更好地起到结构支撑作用， 由于本实施例后盖 3的侧边位于中框 2的侧 边内侧， 所述后盖 3的侧边上端向内折弯， 还有一个作用就是避开中框 2上的 加强筋 22, 防止装配时两者相互干涉。
作为本发明液晶显示装置用中框的另一实施例， 如图 3所示， 所述加强筋 22为一整条， 贯穿边框构件 21的整个长度， 使边框构件 21在整个长度方向上 的强度都增加， 其它结构及有益效果均与上述实施例一致， 此处不再赘述。
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、 一种液晶显示装置用中框， 所述中框为分体式结构， 包括： 多个边框构 件， 所述边框构件的转角处的内面上还设置有加强筋， 所述加强筋设置在边框 构件的两端， 所述加强筋数量为多个， 均布设置在边框构件上， 所述边框构件 包括一横边和一竖边， 所述加强筋的形状为三角形或直角梯形， 加强筋一边与 竖边接触， 一边与横边接触， 所述加强筋的厚度为中框壁厚的 0.6-0.8倍。
2、 一种液晶显示装置用中框， 所述中框为分体式结构， 包括： 多个边框构 件， 所述边框构件的转角处的内面上还设置有加强筋。
3、 如权利要求 2所述的液晶显示装置用中框， 其中， 所述加强筋设置在边 框构件的两端。
4、 如权利要求 3所述的液晶显示装置用中框， 其中， 所述加强筋数量为多 个， 均布设置在边框构件上。
5、 如权利要求 4所述的液晶显示装置用中框， 其中， 所述边框构件包括一 横边和一竖边， 所述加强筋的形状为三角形或直角梯形， 加强筋一边与竖边接 触， 一边与横边接触。
6、 如权利要求 4所述的液晶显示装置用中框， 其中， 所述加强筋的厚度为 中框壁厚的 0.6-0.8倍。
7、 一种液晶显示装置， 包括： 前框、 中框和后盖， 所述中框为分体式结构， 包括多个边框构件， 所述边框构件的转角处的内面上还设置有加强筋。
8、 如权利要求 7所述的液晶显示装置， 其中， 所述加强筋设置在边框构件 的两端。
9、 如权利要求 8所述的液晶显示装置， 其中， 所述加强筋数量为多个， 均 布设置在边框构件上。
10、 如权利要求 7所述的液晶显示装置， 其中， 所述后盖的侧边上端向内 折弯。
11、 如权利要求 8 所述的液晶显示装置， 其中， 所述后盖的侧边上端向内 折弯。
12、 如权利要求 9所述的液晶显示装置， 其中， 所述后盖的侧边上端向内 折弯。
13、 如权利要求 7所述的液晶显示装置， 其中， 所述后盖的侧边位于中框 的侧边内侧， 所述后盖的侧边上端向内折弯， 以避开中框上的加强筋。
14、 如权利要求 8所述的液晶显示装置， 其中， 所述后盖的侧边位于中框 的侧边内侧， 所述后盖的侧边上端向内折弯， 以避开中框上的加强筋。
15、 如权利要求 9所述的液晶显示装置， 其中， 所述后盖的侧边位于中框 的侧边内侧， 所述后盖的侧边上端向内折弯， 以避开中框上的加强筋。
PCT/CN2012/073608 2012-04-01 2012-04-06 一种液晶显示装置用中框及液晶显示装置 WO2013149402A1 (zh)

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