WO2013185362A1 - 一种前框及液晶显示装置 - Google Patents

一种前框及液晶显示装置 Download PDF

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Publication number
WO2013185362A1
WO2013185362A1 PCT/CN2012/077070 CN2012077070W WO2013185362A1 WO 2013185362 A1 WO2013185362 A1 WO 2013185362A1 CN 2012077070 W CN2012077070 W CN 2012077070W WO 2013185362 A1 WO2013185362 A1 WO 2013185362A1
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WIPO (PCT)
Prior art keywords
liquid crystal
display device
crystal display
front frame
bent portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2012/077070
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English (en)
French (fr)
Inventor
唐国富
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/521,741 priority Critical patent/US20130335668A1/en
Publication of WO2013185362A1 publication Critical patent/WO2013185362A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/133308—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
    • G02F1/13332—Front frames

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a front frame and a liquid crystal display device.
  • FIG. 1 is a schematic structural view of a front frame of the prior art.
  • the front frame 100 includes a side panel 101 and an extension portion 102, and the side panel 101 is formed in a rectangular shape.
  • the four corners of the side plate 101 have a notch 1011.
  • a light shielding tape is usually attached along the surface of the side plate 101.
  • FIG. 2 is a schematic structural view of a liquid crystal display device of the prior art. This liquid crystal display device employs a front frame as shown in FIG.
  • the outer frame 103 In order not to affect the appearance, it is often necessary to provide an outer frame 103 around the front frame 100, and the outer frame 103 is made of a transparent material. Since the front frame 100 is mostly dark, and the outer frame 103 is transparent, an error occurs visually, giving a narrow-cut visual effect, but the liquid crystal display device is not structurally narrowed.
  • the technical problem to be solved by the present invention is to provide a front frame and a liquid crystal display device, which can realize a narrow edge design.
  • the present invention provides a front frame for a liquid crystal display device, which includes a side plate that surrounds a rectangular shape and an extension portion that is bent from an edge of the side plate toward the inner side of the side plate, the side plate The four corners of the rectangle are rounded, the side plates are provided with at least one threaded hole, and the side plates and the extensions are all sheet metal structures.
  • the present invention also provides a front frame for a liquid crystal display device, which comprises a side plate surrounding a rectangular shape and an extension portion extending from an edge of the side plate to an inner side of the side plate, the side The four corners of the plate relative to the rectangle are arcuate chamfers.
  • the curved chamfer is rounded.
  • the side plate is provided with at least one threaded hole.
  • the side plates and the extensions are all sheet metal structures.
  • the present invention also provides a liquid crystal display device including a liquid crystal panel, a back frame, and a front frame according to any of the above.
  • the liquid crystal panel has a light emitting surface and a bottom surface opposite to the light emitting surface.
  • the back frame includes a back plate and a bent portion extending from the edge of the back plate to the liquid crystal panel, and the back plate and the bent portion are disposed adjacent to a bottom surface of the liquid crystal panel.
  • the side plate is fixed to the bent portion, and the extending portion is pressed against the light emitting surface of the liquid crystal panel.
  • the liquid crystal display device includes a protective cover, and the protective cover is fixed on the back plate, and the edge of the protective cover is provided with a receiving groove for receiving one end of the side plate.
  • the surface of the side plate away from the bending portion is flush with the side surface of the protective cover.
  • the side plates are fixed to the bent portion by screws.
  • the side plate is provided with a hook on a surface adjacent to the bent portion, and the bent portion is provided with a card slot corresponding to the position of the hook, and the side plate and the bent portion are buckled and fixed.
  • the beneficial effects of the present invention are: different from the prior art, the front frame and the liquid crystal display device of the present invention can reduce the liquid crystal display device by setting the four corners of the side plates into arc chamfers.
  • the structural components realize narrow-edge design to ensure that the appearance quality is not affected.
  • FIG. 1 is a schematic structural view of a front frame of the prior art
  • FIG. 2 is a schematic structural view of a liquid crystal display device of the prior art
  • FIG. 3 is a schematic structural view of a front frame of a first embodiment of the present invention.
  • Figure 4 is a front elevational view showing a liquid crystal display device of a second embodiment of the present invention.
  • Figure 5 is a partial cross-sectional view of the liquid crystal display device shown in Figure 4.
  • Figure 6 is a partial cross-sectional view showing a liquid crystal display device of a third embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a front frame according to a first embodiment of the present invention.
  • the front frame 200 includes a side plate 201 that surrounds the rectangular shape and an extension portion 202 that is bent from the edge of the side plate 201 toward the inner side of the side plate 201.
  • the four corners 203 of the side panel 201 are all curved chamfers. In this embodiment, the curved chamfer is rounded, and the radius of the rounded corner can be set according to actual needs.
  • the side panel 201 is provided with at least one threaded hole 2011 for fixing during subsequent assembly.
  • the side panel 201 and the extension portion 202 are stamped and formed at one time, and then the four right angles of the side panel 201 are cut to form a smooth and flat arc chamfer, and finally the front frame 200 is painted.
  • the sides of the side panels 201 away from the extensions 202 may not require baking to save cost.
  • the side plate 201 and the extending portion 202 may each have a sheet metal structure, and the thickness of the front frame 200 can be minimized.
  • FIG. 4 is a front elevational view of a liquid crystal display device according to a second embodiment of the present invention.
  • the front frame 200 in the first embodiment can be used for the liquid crystal display device 30 of the present embodiment.
  • the liquid crystal display device 30 includes a front frame 200 and a liquid crystal panel 310. Referring to FIG. 5 together, FIG. 5 is a partial cross-sectional view of the liquid crystal display device shown in FIG. 4.
  • the liquid crystal display device 30 further includes a back frame 320, a protective cover 330, a light guide plate 340, an LED lamp 350, a reflection sheet 360, and an optical film 370.
  • the liquid crystal panel 310 has a light emitting surface 311 and a bottom surface 312 opposite to the light emitting surface 311.
  • the back frame 320 includes a back plate 321 and a bent portion 322 extending from the edge of the back plate 321 to the liquid crystal panel 310.
  • the back plate 321 and the bent portion 322 are disposed adjacent to the bottom surface of the liquid crystal panel 310.
  • the side plate 201 of the front frame 200 is fixed to the bent portion 322 , and the extending portion 202 is pressed against the light emitting surface 311 of the liquid crystal panel 310 .
  • the reflective sheet 360 is located above the backing plate 321 .
  • the light guide plate 340 is located above the reflective sheet 360.
  • the optical film 370 is disposed above the light guide plate 340 and adjacent to the bottom surface 312 of the liquid crystal panel 310.
  • the LED lamp 350 is disposed adjacent to the side of the light guide plate 340 and the light emitting surface of the LED lamp 350 faces the side of the light guide plate 340.
  • One end of the side plate 201 away from the extension portion 202 extends beyond the bottom of the back plate 321. Further, the protective cover 330 is fixed to the back plate 321 in a manner of screwing or bonding.
  • the accommodating groove 331 is disposed at an edge of the protective cover 330 for accommodating one end of the side plate 201 beyond the bottom of the back plate 321 .
  • the surface of the side plate 201 away from the bent portion 322 is flush with the side surface of the protective cover 330.
  • the screw 2012 passes through the threaded hole 2011 to fix the side plate 201 to the bent portion 322. So far, the liquid crystal display device 30 has been assembled, and it is not necessary to additionally add a structural component such as a frame in the prior art, and a narrow-edge design can be realized in structure.
  • FIG. 6 is a partial cross-sectional view showing a liquid crystal display device according to a third embodiment of the present invention.
  • the liquid crystal display device 40 is the same as that of the second embodiment, and its connection relationship is also the same as that of the second embodiment, and therefore will not be described herein.
  • the side plate 201 and the bent portion 322 are buckled and fixed, and the specific manner is:
  • the side plate 201 is provided with a hook 2013 adjacent to the surface of the bent portion 322.
  • the hook 2013 can be separately formed, fixed to the side plate 201 by welding, or directly punched on the side plate 201 to form a hook 2013.
  • the bent portion 322 is provided with a card slot 3221 corresponding to the position of the hook 2013, and the hook 2013 is embedded in the card slot 3221, so that the side plate 201 and the bent portion 322 are buckled and fixed.
  • the front frame and the liquid crystal display device of the present invention can reduce the structural components of the liquid crystal display device by setting the four corners of the side plates into arc chamfers, thereby achieving a narrow-edge design and ensuring that the appearance quality is not affected.

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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)

Description

一种前框及液晶显示装置
【技术领域】
本发明涉及液晶显示领域，特别是涉及一种前框及液晶显示装置。
【背景技术】
在设计液晶显示装置的结构时，通常使用前框来固定液晶面板，防止其跳脱。请参阅图1，图1是现有技术的前框的结构示意图。前框100包括侧板101和延伸部102，侧板101围合成矩形。前框100在成型时，侧板101的四个角存在缺口1011。为了遮挡缺口1011，通常沿侧板101的表面贴设遮光带，进一步地，请一并参阅图2，图2是现有技术的液晶显示装置的结构示意图。该液晶显示装置采用图1所示的前框。为了不影响美观，往往需要在前框100的四周设置外框103，外框103采用透明材质制作。由于前框100多为深色，而外框103透明，从而视觉上会产生误差，给人以窄边化的视觉效果，但该液晶显示装置在结构上还是没有达到窄边化。
【发明内容】
本发明主要解决的技术问题是提供一种前框及液晶显示装置，能够实现窄边化设计。
为解决上述技术问题，本发明提供了一种用于液晶显示装置的前框，其包括围合成矩形的侧板以及从侧板的边缘向侧板的内侧弯折延伸的延伸部，侧板相对于矩形的四个角均为圆角，侧板设置有至少一个螺纹孔，且侧板和延伸部均为钣金结构。
为解决上述技术问题，本发明还提供了一种用于液晶显示装置的前框，其包括围合成矩形的侧板以及从侧板的边缘向侧板的内侧弯折延伸的延伸部，侧板相对于矩形的四个角均为弧形倒角。
其中，弧形倒角为圆角。
其中，侧板设置有至少一个螺纹孔。
其中，侧板和延伸部均为钣金结构。
为解决上述技术问题，本发明还提供了一种液晶显示装置，其包括液晶面板、背框以及上述任一种所述的前框。液晶面板具有出光面和相对出光面的底面。背框包括背板以及从背板的边缘向液晶面板弯折延伸的弯折部，背板和弯折部均邻近液晶面板的底面设置。侧板固定于弯折部，延伸部压持于液晶面板的出光面。
其中，侧板远离延伸部的一端超出背板的底部。
其中，液晶显示装置包括保护盖，保护盖固定于背板，且保护盖的边缘设置有容置槽，容置槽用于容置侧板的一端。
其中，侧板远离弯折部的表面与保护盖的侧面平齐。
其中，侧板通过螺钉固定于弯折部。
其中，侧板邻近弯折部的表面设有卡勾，弯折部对应卡勾的位置设有卡槽，侧板与弯折部卡扣固定。
综上所述，本发明的有益效果是：区别于现有技术的情况，本发明的前框及液晶显示装置通过将侧板的四个角设置成弧形倒角，能够减少液晶显示装置的结构组件，实现窄边化设计，保证外观品质不受影响。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。
【附图说明】
图1是现有技术的前框的结构示意图；
图2是现有技术的液晶显示装置的结构示意图；
图3是本发明第一实施例的前框的结构示意图；
图4是本发明第二实施例的液晶显示装置的主视图；
图5是图4所示的液晶显示装置的部分剖视图；
图6是本发明第三实施例的液晶显示装置的部分剖视图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，均属于本发明保护的范围。
请参阅图3，图3是本发明第一实施例的前框的结构示意图。
前框200包括围合成矩形的侧板201以及从侧板201的边缘向侧板201的内侧弯折延伸的延伸部202。侧板201的四个角203均为弧形倒角。在本实施例中，弧形倒角为圆角，圆角的半径可根据实际需要设置。侧板201设置有至少一个螺纹孔2011，用于后续组装时进行固定。
在制作前框200时，侧板201和延伸部202一次性冲压成型，然后切割侧板201的四个直角，形成光滑平整的弧形倒角，最后对前框200进行烤漆。侧板201远离延伸部202的侧面可不需烤漆，以节约成本。另外，侧板201和延伸部202均可为钣金结构，能够最大程度地减小前框200的厚度。
请参阅图4，图4是本发明第二实施例的液晶显示装置的主视图。第一实施例中的前框200可用于本实施例的液晶显示装置30。
液晶显示装置30包括前框200和液晶面板310。请一并参阅图5，图5是图4所示的液晶显示装置的部分剖视图。液晶显示装置30还包括背框320、保护盖330，导光板340、LED灯350、反射片360以及光学薄膜370。
液晶面板310具有出光面311和相对出光面311的底面312。背框320包括背板321以及从背板321的边缘向液晶面板310弯折延伸的弯折部322，背板321和弯折部322均邻近液晶面板310的底面设置。前框200的侧板201固定于弯折部322，延伸部202压持于液晶面板310的出光面311。具体地，反射片360位于背板321上方。导光板340位于反射片360上方。光学薄膜370位于导光板340上方且邻近液晶面板310的底面312设置。LED灯350邻近导光板340的侧面设置且LED灯350的出光面正对导光板340的侧面。
侧板201远离延伸部202的一端超出背板321的底部。进一步地，保护盖330固定于背板321，固定方式可以为螺钉或粘合等。保护盖330的边缘设置有容置槽331，容置槽331用于容置侧板201超出背板321的底部的一端。侧板201远离弯折部322的表面与保护盖330的侧面平齐。
螺钉2012穿过螺纹孔2011，将侧板201固定于弯折部322。至此，液晶显示装置30组装完毕，其不需另外增设如现有技术中的外框等的结构组件，能够在结构上实现窄边化设计。
请参阅图6，图6是本发明第三实施例的液晶显示装置的部分剖视图。液晶显示装置40采用与第二实施例相同的部件，其连接关系也与第二实施例相同，故此处不再赘述。其中，侧板201与弯折部322卡扣固定，具体方式为：
侧板201邻近弯折部322的表面设有卡勾2013，卡勾2013可以单独成型，再通过焊接方式固定于侧板201，或者直接在侧板201上冲压，形成卡勾2013。弯折部322对应卡勾2013的位置设有卡槽3221，卡勾2013嵌入卡槽3221，实现侧板201与弯折部322卡扣固定。
通过上述方式，本发明的前框及液晶显示装置通过将侧板的四个角设置成弧形倒角，能够减少液晶显示装置的结构组件，实现窄边化设计，保证外观品质不受影响。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，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 (11)

  1. 一种用于液晶显示装置的前框，包括围合成矩形的侧板以及从所述侧板的边缘向所述侧板的内侧弯折延伸的延伸部，其中，所述侧板相对于所述矩形的四个角均为圆角，所述侧板设置有至少一个螺纹孔，且所述侧板和所述延伸部均为钣金结构。
  2. 一种用于液晶显示装置的前框，包括围合成矩形的侧板以及从所述侧板的边缘向所述侧板的内侧弯折延伸的延伸部，其中，所述侧板相对于所述矩形的四个角均为弧形倒角。
  3. 根据权利要求2所述的前框，其中，所述弧形倒角为圆角。
  4. 根据权利要求2所述的前框，其中，所述侧板设置有至少一个螺纹孔。
  5. 根据权利要求2所述的前框，其中，所述侧板和所述延伸部均为钣金结构。
  6. 一种液晶显示装置，包括：
    液晶面板，所述液晶面板具有出光面和相对所述出光面的底面；
    背框，所述背框包括背板以及从所述背板的边缘向所述液晶面板弯折延伸的弯折部，所述背板和所述弯折部均邻近所述液晶面板的底面设置；
    其中，所述液晶面板还包括根据权利要求1至4任一项所述的前框，所述侧板固定于所述弯折部，所述延伸部压持于所述液晶面板的出光面。
  7. 根据权利要求6所述的液晶显示装置，其中，所述侧板远离所述延伸部的一端超出所述背板的底部。
  8. 根据权利要求7所述的液晶显示装置，其中，所述液晶显示装置包括保护盖，所述保护盖固定于所述背板，且所述保护盖的边缘设置有容置槽，所述容置槽用于容置所述侧板的所述一端。
  9. 根据权利要求8所述的液晶显示装置，其中，所述侧板远离所述弯折部的表面与所述保护盖的侧面平齐。
  10. 根据权利要求6所述的液晶显示装置，其中，所述侧板通过螺钉固定于所述弯折部。
  11. 根据权利要求6所述的液晶显示装置，其中，所述侧板邻近所述弯折部的表面设有卡勾，所述弯折部对应所述卡勾的位置设有卡槽，所述侧板与所述弯折部卡扣固定。
PCT/CN2012/077070 2012-06-13 2012-06-18 一种前框及液晶显示装置 Ceased WO2013185362A1 (zh)

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CN201260207Y (zh) * 2008-07-22 2009-06-17 苏州胜利精密制造科技股份有限公司 液晶电视金属面框
US20100321605A1 (en) * 2009-06-18 2010-12-23 Kota Sakuma Liquid crystal module
CN202018784U (zh) * 2011-02-14 2011-10-26 Tcl数码科技（深圳）有限责任公司 一种平板显示设备的拼接面框
CN102411223A (zh) * 2011-11-29 2012-04-11 深圳市华星光电技术有限公司 液晶显示装置及其固定结构

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CN101186004A (zh) * 2007-12-20 2008-05-28 上海广电光电子有限公司 液晶显示器前框架的成型方法
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