WO2013159399A1 - 一种液晶显示装置及背光模块 - Google Patents

一种液晶显示装置及背光模块 Download PDF

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Publication number
WO2013159399A1
WO2013159399A1 PCT/CN2012/075253 CN2012075253W WO2013159399A1 WO 2013159399 A1 WO2013159399 A1 WO 2013159399A1 CN 2012075253 W CN2012075253 W CN 2012075253W WO 2013159399 A1 WO2013159399 A1 WO 2013159399A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
protrusion
frame
middle frame
Prior art date
Application number
PCT/CN2012/075253
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English (en)
French (fr)
Inventor
郭仪正
陈仕祥
俞刚
周革革
王甲强
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 US13/515,584 priority Critical patent/US20130286322A1/en
Publication of WO2013159399A1 publication Critical patent/WO2013159399A1/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
    • 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
    • G02F1/133328—Segmented frames

Definitions

  • Liquid crystal display device and backlight module Liquid crystal display device and backlight module
  • the present invention relates to the field of liquid crystal display, and more particularly to a liquid crystal display device and a backlight module. ⁇ Background technique ⁇
  • the existing 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 backlight module further includes an optical film, a light guide plate, a light bar and the like, wherein the front frame, the middle frame and the like
  • the back cover has different functions.
  • the front frame is mainly used to fix the liquid crystal display panel and prevent it from jumping.
  • the middle frame is mainly used to carry the liquid crystal display panel, and can also block the light leakage of some backlight modules; It is used to carry optical film, light guide plate, light bar and other components, and to ensure the flatness of the backlight module.
  • a part of the liquid crystal display device adopts a segmented middle frame, the middle frame includes a plurality of component units, and the component units are respectively fixed on the back plate or the front frame, and the components are provided with a spacing therebetween.
  • the component unit is applicable to liquid crystal display devices of various sizes, which reduces the use of materials, and also saves development cost and cycle of the liquid crystal display device.
  • the middle frame is a segmented structure, the supporting surface of the middle frame is also discontinuous, and the supporting force of the liquid crystal display panel is not uniform.
  • the liquid crystal display The flatness of the panel will be affected to some extent.
  • the liquid crystal display panel is also prone to excessive local stress.
  • the liquid crystal display panel includes a thin glass substrate, which is hard and brittle, and is easily damaged by stress concentration. The quality of the product has an adverse effect.
  • the technical problem to be solved by the present invention is to provide a low-cost liquid crystal display device and a backlight module using a segmented middle frame, and the liquid crystal display device and the backlight module can ensure a relatively uniform supporting force of the liquid crystal display panel to avoid occurrence. The case where the local stress is too large.
  • a liquid crystal display device comprising: a middle frame, a back plate and a liquid crystal display a panel, the liquid crystal display panel is disposed on a support surface of the middle frame, the middle frame includes a plurality of component units, and a spacing is provided between adjacent component units, and the bottom plate of the backboard is provided with an auxiliary liquid crystal for supporting a protrusion of the display panel, the protrusion includes a support surface, the convex support surface is flush with the support surface of the middle frame, and the back plate is formed by partial stamping to form the protrusion, and the convex side wall
  • the protrusion has a bent strip shape
  • the convex support surface is a plane
  • the convex support surface width is less than or equal to the width of the middle frame support surface
  • the component unit is a frame angle
  • the members are distributed at four corners of the backboard, and the number of the protrusions between the portions of the adjacent member units is plural.
  • a liquid crystal display device comprising a middle frame, a back plate and a liquid crystal display panel, wherein the liquid crystal display panel is disposed on a support surface of the middle frame, and the middle frame includes a plurality of component units A spacing is provided between adjacent component units, and a bottom surface of the backboard is provided with a protrusion for supporting the liquid crystal display panel, the protrusion includes a supporting surface, a convex supporting surface and a supporting surface of the middle frame Flush.
  • the back plate is formed by partial stamping, and the side wall of the protrusion is a closed structure.
  • the protrusions do not increase the material cost, and the side walls have a high protrusion strength of the closed structure, which can provide a high supporting force.
  • the back plate is formed by partial stamping, and a part of the side wall of the protrusion is an open structure, and the protrusion has a bent strip shape.
  • the protrusion does not increase the material cost, and the convexity of the side wall is an open structure is slightly inferior, but the height of the protrusion can be designed to be high, when the back sheet material has a slightly poor ductility, and the material is not broken. This scheme can be adopted when the maximum height of the protrusion of the side wall is a closed structure is still insufficient to be flush with the support surface of the middle frame.
  • the convex support surface is a flat surface.
  • the plane can better support the liquid crystal display panel, avoiding the adverse effects of point contact and line contact on the liquid crystal display panel.
  • the width of the support surface of the protrusion is less than or equal to the width of the support surface of the middle frame to avoid blocking the light emitted by the backlight module.
  • the component unit is a frame corner member and is distributed at four corners of the backboard.
  • the component unit is a frame side member and is distributed on four sides of the backboard.
  • the component unit is a frame angle member and a frame edge member, and the frame angle member is distributed on the back plate. At the corners, the frame members are distributed on the four sides of the back panel.
  • the number of protrusions between the partially adjacent component units is plural.
  • the number and length of the protrusions may be specifically set according to the spacing between adjacent component units.
  • a plurality of protrusions may be disposed, when adjacent component units
  • only one protrusion may be provided or no protrusion may be provided.
  • the invention further discloses a backlight module, comprising a middle frame and a back plate, wherein the middle frame is provided with a support surface for supporting the liquid crystal display panel, the middle frame comprises a plurality of component units, and the adjacent component units are arranged
  • the bottom plate of the backboard is provided with a protrusion for supporting the liquid crystal display panel, and the protrusion includes a supporting surface, and the convex supporting surface is flush with the supporting surface of the middle frame.
  • the back plate is formed by partial stamping, and the side wall of the protrusion is a closed structure.
  • the back plate is formed by partial stamping, and a part of the side wall of the protrusion is an open structure, and the protrusion has a bent strip shape.
  • the convex support surface is a flat surface.
  • the convex support surface width is less than or equal to the width of the middle frame support surface.
  • the component unit is a frame corner member and is distributed at four corners of the backboard.
  • the component unit is a frame side member and is distributed on four sides of the backboard.
  • the component unit is a frame corner member and a frame edge member, and the frame corner members are distributed at four corners of the backboard, and the frame edge members are distributed on four sides of the backboard.
  • the number of protrusions between the partially adjacent component units is plural.
  • the direction in which the projection is parallel to the side wall of the backing plate is the longitudinal direction, and the direction perpendicular to the side wall of the backing plate is the width direction.
  • the beneficial effects of the present invention are as follows:
  • the liquid crystal display device of the present invention is provided with a protrusion for supporting the liquid crystal display panel.
  • the protrusion can be disposed between the two component units.
  • the raised supporting surface is flush with the supporting surface of the middle frame to provide an intermediate supporting force, so that the supporting force obtained by the liquid crystal display panel is more uniform, and the local stress is prevented from being excessive.
  • FIG. 1 is a schematic structural view of a first embodiment of a liquid crystal display device of the present invention
  • Figure 2 is an enlarged view of A in Figure 1;
  • FIG. 3 is a schematic structural view of a second embodiment of a liquid crystal display device of the present invention.
  • Figure 4 is an enlarged view of B in Figure 3.
  • the present invention discloses a liquid crystal display device including a backlight module.
  • the backlight module includes a middle frame 1 and a back plate 2 as a first embodiment of the liquid crystal display device. As shown in FIG. 1 and FIG. 2, the middle frame 1 and the back are included. a plate 2 and a liquid crystal display panel 3, the liquid crystal display panel 3 is disposed on a support surface 13 of the middle frame 1, the middle frame 1 includes a plurality of component units, and a spacing is provided between adjacent component units, the back
  • the bottom plate 21 of the board 2 is provided with a projection 4 for assisting the support of the liquid crystal display panel 3.
  • the projection 4 includes a support surface 41 which is flush with the support surface 13 of the middle frame.
  • the liquid crystal display device of the present invention is provided with a protrusion 4 for supporting the liquid crystal display panel 3.
  • the protrusion 4 can be disposed between the two component units, and the protrusion 4
  • the supporting surface 41 is flush with the supporting surface 13 of the middle frame to provide an intermediate supporting force, so that the supporting force obtained by the liquid crystal display panel 3 is more evenly checked to prevent excessive local stress.
  • the back plate 2 is formed by partial stamping, and the side wall of the protrusion 4 is a closed structure, and the support surface 41 of the protrusion 4 is flat, and the plane can be better.
  • the liquid crystal display panel 3 is supported to prevent adverse effects of the dot contact and the line contact on the liquid crystal display panel 3.
  • the protrusions 4 do not increase the material cost, and the protrusions 4 having the side walls of the closed structure have high strength and can provide a high supporting force.
  • the component unit is four frame angle members 11 and four of the back plate 2 are distributed. A corner is provided between the corner members 11 and a pitch in the longitudinal direction of the middle frame 1 is larger than a width in the width direction.
  • the member 11 can be fixed to the backboard 2 by a structure such as a screw or a snap.
  • the back plate 2 is provided with a plurality of protrusions 4 in the longitudinal direction thereof, and a protrusion 4 is provided in the width direction of the back plate 2, and the length of the protrusions 4 between the adjacent member units or the length of the protrusions 4 And less than the spacing between the adjacent member units, so that the protrusions 4 can be smoothly disposed on the bottom plate 22 of the backing plate, and the width of the supporting surface 41 of the protrusions 4 is less than or equal to the width of the middle frame supporting surface 13. To avoid blocking the light from the backlight module.
  • the difference from the first embodiment is that the component unit is a frame member 12 distributed on four sides of the backboard 2,
  • the protrusion 2 is formed by partial stamping, and a part of the side wall of the protrusion 4 is an open structure, and the protrusion 4 is in the form of a bent strip, and the protrusion 4 does not increase the material cost.
  • the protrusion 4 whose side wall is open structure is slightly inferior, but the height of the protrusion 4 can be designed to be high. When the material of the back plate is slightly poor in ductility, the side wall is closed when the material is not broken.
  • the frame side member of the embodiment may be fixed to the back plate by a screw, a buckle or the like, or a fixing column may be disposed on the frame side member, and a fixing hole is disposed on the side wall of the back plate to insert the fixing column of the frame side member.
  • the fixing hole in the back plate is fixed to the frame member to the back plate.
  • the projections 4 may also be provided at the four corners of the back panel 2 to support the four corners of the liquid crystal display panel 3.
  • the number and length of the protrusions may be specifically set according to the size of the spacing between adjacent component units, and when the spacing between adjacent component units is large, a plurality of protrusions may be disposed. When the spacing between adjacent member units is small, only one protrusion may be provided or no protrusion may be provided.
  • the component unit may be a frame corner member and a frame edge member, the frame corner members are distributed at four corners of the backboard, and the frame edge members are distributed on the four sides of the backboard, when the frame edge members are When the distance between the frame member and the frame member is large, the protrusion can be appropriately provided to provide an auxiliary supporting force to the liquid crystal display panel.

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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)

Abstract

一种液晶显示装置及背光模块，液晶显示装置包括中框（1）、背板（2）和液晶显示面板（3），所述液晶显示面板（3）设置在中框（1）的支撑面（13）上，所述中框（1）包括多个构件单元，相邻的构件单元之间设有间距，所述背板（2）的底板（21）上设有用于辅助支撑液晶显示面板（3）的凸起（4），所述凸起（4）包括支撑面（41），凸起（4）的支撑面（41）与中框（1）的支撑面（13）平齐。由于加设了辅助支撑液晶显示面板（3）的凸起（4），当相邻的两个构件单元间距较大时，就可以把凸起（4）设置在两个构件单元之间，以提供中间支撑力，从而使液晶显示面板（3）获得的支撑力更加均匀，防止局部应力过大。

Description

一种液晶显示装置及背光模块
【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及背光模 块。 【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， 背光模组又包括光学膜片、 导光板、 灯条等部件， 其中前框、 中框和 后盖分别具有不同的功能， 前框主要用于固定液晶显示面板并防止其跳脱， 中 框主要用于承载液晶显示面板， 而且还可以起到遮挡部分背光模组漏光的作用； 后盖主要用于承载光学膜片、 导光板、 灯条等部件， 并保证背光模组的平整度。
为了节省成本， 部分液晶显示装置采用了分段式的中框， 所述中框包括多 个构件单元， 构件单元分别被固定在背板或前框上， 构件单元之间设有间距， 同样的构件单元适用多种尺寸的液晶显示装置， 减少材料的使用， 还可以节省 液晶显示装置的开发成本及周期。
由于中框为分段式结构， 所以中框的支撑面也是非连续的， 液晶显示面板 受到的支撑力并不均匀， 当液晶显示装置相邻的构件单元之间的间距较大时， 液晶显示面板的平面度会受到一定的影响， 液晶显示面板还容易出现局部应力 过大等情况， 而液晶显示面板包括很薄的玻璃基板， 硬而脆， 容易因应力集中 而损坏， 对整个液晶显示装置的品质产生不利影响。
【发明内容】
本发明所要解决的技术问题是提供一种采用分段式中框的、 低成本的液晶 显示装置和背光模块， 该液晶显示装置和背光模块能保证液晶显示面板受到较 为均匀的支撑力， 避免出现局部应力过大的情况。
本发明的技术方案为： 一种液晶显示装置， 包括： 中框、 背板和液晶显示 面板， 所述液晶显示面板设置在中框的支撑面上， 所述中框包括多个构件单元， 相邻的构件单元之间设有间距， 所述背板的底板上设有用于辅助支撑液晶显示 面板的凸起， 所述凸起包括支撑面， 凸起的支撑面与中框的支撑面平齐， 所述 背板通过局部沖压成型形成所述凸起， 所述凸起的部分侧壁为开放结构， 所述 凸起呈弯折的条状， 所述凸起的支撑面为平面， 所述凸起的支撑面宽度小于或 等于中框支撑面的宽度， 所述构件单元为框角构件， 分布在背板的四个角落， 所述部分相邻构件单元之间的凸起数量为多个。
本发明的另一种技术方案为： 一种液晶显示装置， 包括中框、 背板和液晶 显示面板， 所述液晶显示面板设置在中框的支撑面上， 所述中框包括多个构件 单元， 相邻的构件单元之间设有间距， 所述背板的底板上设有用于辅助支撑液 晶显示面板的凸起， 所述凸起包括支撑面， 凸起的支撑面与中框的支撑面平齐。
优选的， 所述背板通过局部沖压成型形成所述凸起， 所述凸起的侧壁为封 闭结构。 所述凸起不增加材料费用， 侧壁为封闭结构的凸起强度高， 可以提供 较高的支撑力。
优选的， 所述背板通过局部沖压成型形成所述凸起， 所述凸起的部分侧壁 为开放结构， 所述凸起呈弯折的条状。 所述凸起不增加材料费用， 侧壁为开放 结构的凸起强度稍差， 但凸起的高度可以设计得较高， 当背板材料的延展性稍 差， 在保证材料不断裂的情况下， 侧壁为封闭结构的凸起的最大高度仍不足以 与中框的支撑面平齐时， 可以采用此方案。
优选的， 所述凸起的支撑面为平面。 平面可以更好地为液晶显示面板提供 支撑， 避免点接触和线接触对液晶显示面板的不利影响。
优选的， 所述凸起的支撑面宽度小于或等于中框支撑面的宽度， 以避免阻 挡背光模组射出的光线。
优选的， 所述构件单元为框角构件， 分布在背板的四个角落。
优选的， 所述构件单元为框边构件， 分布在背板的四个边上。
优选的， 所述构件单元为框角构件和框边构件， 框角构件分布在背板的四 个角落， 框边构件分布在背板的四个边上。
优选的， 所述部分相邻构件单元之间的凸起数量为多个。 所述凸起的数量、 长度都可以根据相邻构件单元之间的间距大小进行针对性设置， 当相邻构件单 元之间的间距较大时， 可以设置多个凸起， 当相邻构件单元之间的间距较小时， 可以只设置一个凸起， 也可以不设置凸起。
本发明还公开一种背光模块， 包括中框和背板， 所述中框上设有用于支撑 液晶显示面板的支撑面， 所述中框包括多个构件单元， 相邻的构件单元之间设 有间距， 所述背板的底板上设有用于辅助支撑液晶显示面板的凸起， 所述凸起 包括支撑面， 凸起的支撑面与中框的支撑面平齐。
优选的， 所述背板通过局部沖压成型形成所述凸起， 所述凸起的侧壁为封 闭结构。
优选的， 所述背板通过局部沖压成型形成所述凸起， 所述凸起的部分侧壁 为开放结构， 所述凸起呈弯折的条状。
优选的， 所述凸起的支撑面为平面。
优选的， 所述凸起的支撑面宽度小于或等于中框支撑面的宽度。
优选的， 所述构件单元为框角构件， 分布在背板的四个角落。
优选的， 所述构件单元为框边构件， 分布在背板的四个边上。
优选的， 所述构件单元为框角构件和框边构件， 框角构件分布在背板的四 个角落， 框边构件分布在背板的四个边上。
优选的， 所述部分相邻构件单元之间的凸起数量为多个。
本发明中， 凸起与背板侧壁平行的方向为长度方向， 与背板侧壁垂直的方 向为宽度方向。
本发明的有益效果为： 本发明液晶显示装置加设了辅助支撑液晶显示面板 的凸起， 当相邻的两个构件单元间距较大时， 就可以把凸起设置在两个构件单 元之间， 凸起的支撑面与中框的支撑面平齐， 以提供中间支撑力， 从而使液晶 显示面板获得的支撑力更加均匀， 防止局部应力过大。 【附图说明】
图 1是本发明液晶显示装置实施例一的结构示意图；
图 2是图 1中 A处放大图；
图 3是本发明液晶显示装置实施例二的结构示意图；
图 4是图 3中 B处放大图。
其中： 1、 中框； 11、 框角构件； 12、 框边构件； 13、 支撑面； 2、 背板； 21、 底板； 3、 液晶显示面板； 4、 凸起； 41、 支撑面。
【具体实施方式】
本发明公开一种液晶显示装置， 包括背光模块， 所述背光模块包括中框 1 和背板 2, 作为液晶显示装置的实施例一， 如图 1和图 2所示， 包括中框 1、 背 板 2和液晶显示面板 3 , 所述液晶显示面板 3设置在中框 1的支撑面 13上， 所 述中框 1 包括多个构件单元， 相邻的构件单元之间设有间距， 所述背板 2的底 板 21上设有用于辅助支撑液晶显示面板 3的凸起 4,所述凸起 4包括支撑面 41 , 凸起的支撑面 41与中框的支撑面 13平齐。
本发明液晶显示装置加设了辅助支撑液晶显示面板 3的凸起 4,当相邻的两 个构件单元间距较大时， 就可以把凸起 4设置在两个构件单元之间， 凸起 4的 支撑面 41与中框的支撑面 13平齐， 以提供中间支撑力，从而使液晶显示面板 3 获得的支撑力更加均勾， 防止局部应力过大。
在本实施例中， 所述背板 2通过局部沖压成型形成所述凸起 4, 所述凸起 4 的侧壁为封闭结构， 所述凸起 4的支撑面 41为平面， 平面可以更好地为液晶显 示面板 3提供支撑， 避免点接触和线接触对液晶显示面板 3的不利影响。 所述 凸起 4不增加材料费用， 侧壁为封闭结构的凸起 4强度高， 可以提供较高的支 撑力， 所述构件单元为四个框角构件 11 , 分布在背板 2的四个角落， 框角构件 11之间设有间距， 中框 1长度方向的间距大于宽度方向的间距， 本实施例框角 构件 11可以通过螺釘、 卡扣等结构固定在背板 2上。 背板 2的长度方向上设有 多个凸起 4, 背板 2的宽度方向上设有一个凸起 4, 所述相邻构件单元之间的凸 起 4的长度或凸起 4的长度之和小于所述相邻构件单元之间的间距， 从而可以 使凸起 4顺利地布置在背板的底板 22上， 所述凸起 4的支撑面 41宽度小于或 等于中框支撑面 13的宽度， 以避免阻挡背光模组射出的光线。
作为本发明液晶显示装置的实施例二， 如图 3和图 4所示， 与实施例一不 同之处在于， 所述构件单元为框边构件 12, 分布在背板 2的四个边上， 所述背 板 2通过局部沖压成型形成所述凸起 4, 所述凸起 4的部分侧壁为开放结构， 所 述凸起 4呈弯折的条状， 所述凸起 4不增加材料费用， 侧壁为开放结构的凸起 4 强度稍差， 但凸起 4 的高度可以设计得较高， 当背板材料的延展性稍差， 在保 证材料不断裂的情况下， 侧壁为封闭结构的凸起 4 的最大高度仍不足以与中框 的支撑面平齐时， 可以采用此方案。 本实施例框边构件可以通过螺釘、 卡扣等 结构固定在背板上， 也可以在框边构件上设置固定柱， 在背板的侧壁上设置固 定孔， 把框边构件的固定柱插入背板上的固定孔内， 从而把框边构件固定到背 板上。
在本实施例中， 凸起 4也可以设置在背板 2的四个角落， 以支撑液晶显示 面板 3的四个角。
在本发明中， 所述凸起的数量、 长度都可以根据相邻构件单元之间的间距 大小进行针对性设置， 当相邻构件单元之间的间距较大时， 可以设置多个凸起， 当相邻构件单元之间的间距较小时， 可以只设置一个凸起， 也可以不设置凸起。
在本发明中， 所述构件单元可以为框角构件和框边构件， 框角构件分布在 背板的四个角落， 框边构件分布在背板的四个边上， 当框边构件之间或框边构 件与框角构件之间的间距较大时， 就可以适当地设置凸起， 以便为液晶显示面 板提供辅助支撑力。
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， 包括： 中框、 背板和液晶显示面板， 所述液晶显示 面板设置在中框的支撑面上， 所述中框包括多个构件单元， 相邻的构件单元之 间设有间距， 所述背板的底板上设有用于辅助支撑液晶显示面板的凸起， 所述 凸起包括支撑面， 凸起的支撑面与中框的支撑面平齐， 所述背板通过局部沖压 成型形成所述凸起， 所述凸起的部分侧壁为开放结构， 所述凸起呈弯折的条状， 所述凸起的支撑面为平面， 所述凸起的支撑面宽度小于或等于中框支撑面的宽 度， 所述构件单元为框角构件， 分布在背板的四个角落， 所述部分相邻构件单 元之间的凸起数量为多个。
2、 一种液晶显示装置， 包括中框、 背板和液晶显示面板， 所述液晶显示面 板设置在中框的支撑面上， 所述中框包括多个构件单元， 相邻的构件单元之间 设有间距， 所述背板的底板上设有用于辅助支撑液晶显示面板的凸起， 所述凸 起包括支撑面， 凸起的支撑面与中框的支撑面平齐。
3、 如权利要求 2所述的液晶显示装置， 其中， 所述背板通过局部沖压成型 形成所述凸起， 所述凸起的侧壁为封闭结构。
4、 如权利要求 2所述的液晶显示装置， 其中， 所述背板通过局部沖压成型 形成所述凸起， 所述凸起的部分侧壁为开放结构， 所述凸起呈弯折的条状。
5、 如权利要求 3所述的液晶显示装置， 其中， 所述凸起的支撑面为平面。
6、 如权利要求 2所述的液晶显示装置， 其中， 所述凸起的支撑面宽度小于 或等于中框支撑面的宽度。
7、 如权利要求 2所述的液晶显示装置， 其中， 所述构件单元为框角构件， 分布在背板的四个角落。
8、 如权利要求 2所述的液晶显示装置， 其中， 所述构件单元为框边构件， 分布在背板的四个边上。
9、 如权利要求 2所述的液晶显示装置， 其中， 所述构件单元为框角构件和 框边构件， 框角构件分布在背板的四个角落， 框边构件分布在背板的四个边上。
10、 如权利要求 2所述的液晶显示装置， 其中， 所述部分相邻构件单元之 间的凸起数量为多个。
11、 一种背光模块， 包括： 中框和背板， 所述中框上设有用于支撑液晶显 示面板的支撑面， 所述中框包括多个构件单元， 相邻的构件单元之间设有间距， 所述背板的底板上设有用于辅助支撑液晶显示面板的凸起， 所述凸起包括支杯 面， 凸起的支撑面与中框的支撑面平
Figure imgf000010_0001
12、 如权利要求 11所述的背光模块， 其中 所述背板通过局部沖压成型形 成所述凸起， 所述凸起的侧壁为封闭结构。
13、 如权利要求 11所述的背光模块， 其中， 所述背板通过局部沖压成型 ¾ 成所述凸起， 所述凸起的部分侧壁为开放结构， 所述凸起呈弯折的条状。
14、 如权利要求 12所述的背光模块， 其中 所述凸起的支撑面为平面。
15、 如权利要求 11所述的背光模块， 其中 所述凸起的支撑面宽度小于或 等于中框支撑面的宽度。
16、 如权利要求 11所述的背光模块， 其中， 所述构件单元为框角构件， ^ 布在背板的四个角落。
17、 如权利要求 11所述的背光模块， 其中， 所述构件单元为框边构件， ^ 布在背板的四个边上。
18、 如权利要求 11所述的背光模块， 其中， 所述构件单元为框角构件和框 边构件， 框角构件分布在背板的四个角落， 框边构件分布在背板的四个边上。
19、 如权利要求 11所述的背光模块， 其中， 所述部分相邻构件单元之间的 凸起数量为多个。
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