WO2016082318A1 - 曲面液晶显示装置 - Google Patents

曲面液晶显示装置 Download PDF

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Publication number
WO2016082318A1
WO2016082318A1 PCT/CN2015/070683 CN2015070683W WO2016082318A1 WO 2016082318 A1 WO2016082318 A1 WO 2016082318A1 CN 2015070683 W CN2015070683 W CN 2015070683W WO 2016082318 A1 WO2016082318 A1 WO 2016082318A1
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Prior art keywords
liquid crystal
curved
crystal display
display device
support plate
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PCT/CN2015/070683
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English (en)
French (fr)
Inventor
柴立
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深圳市华星光电技术有限公司
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Publication of WO2016082318A1 publication Critical patent/WO2016082318A1/zh

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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
    • 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
    • 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
    • G02F1/133314—Back frames

Definitions

  • the invention relates to a curved liquid crystal display device.
  • the curved liquid crystal display device has a curved screen design, which can provide a wide panoramic image effect, whether in the The center of the screen is also around the edge, which provides the same visual enjoyment and reduces the distortion of off-axis viewing when viewed at close range.
  • the curved liquid crystal display device will allow the user to extend the viewing distance for a better viewing experience. Therefore, the curved liquid crystal display device has great development advantages.
  • the implementation of the existing curved liquid crystal display device mainly includes: forming a curved structure directly on the liquid crystal back plate or attaching a bracket having a specific curvature to the back plate, forcing the back plate to bend into a curvature consistent with the bracket;
  • the curvature of the liquid crystal display device obtained by the two methods is fixed, and cannot be adjusted according to the viewing requirements of the user, so that the viewing angle is limited.
  • an object of the present invention is to provide a curved liquid crystal display device having an entertainment function and a charging function.
  • the present invention provides a curved liquid crystal display device including a liquid crystal panel, a backlight module, a front case, and a curved surface adjustment assembly, the front case being mounted on the liquid crystal panel and the a curved surface of the backlight module;
  • the curved surface adjustment assembly includes a curved support plate having a certain curvature and a plurality of adjustment members, the adjustment member includes a driving portion, a nut fixedly coupled to the driving portion, and a screw threadedly coupled to the nut, a nut is fixed on the curved support plate, and the backlight module
  • the edge of the screw is fixedly connected to the curved support plate, the free end of the screw is fixedly connected to the backlight module, the driving portion drives the nut to rotate, and the nut drives the screw to move relative to the curved support plate.
  • the backlight module is further driven to change the degree of curvature.
  • the curved support plate is made of a non-elastic metal material.
  • the backlight module includes a back plate and an optical module mounted in the back plate. Both sides of the curved support plate are engaged with the edge of the back plate, and the free end of the screw is fixed to the back plate.
  • the back plate is made of an elastic material, and the optical component is deformed corresponding to the curvature of the back plate.
  • the curved support plate is a back plate of the backlight module, and the curved support plate is provided with an optical component of the backlight module; the free end of the screw is fixed on the optical component.
  • the optical component is made of a flexible material.
  • the periphery of the curved support plate is provided with a limiting slot
  • the periphery of the optical module is provided with a convex surface, and the convex surface is limited to the limiting slot.
  • the drive unit is a server.
  • the nut pushes the screw movement time to a preset value.
  • the plurality of adjusting members are evenly distributed on the curved support plate.
  • the adjusting member is activated, and the relative movement time of the nut and the screw is adjusted according to the preset time, so that the curvature of the backlight module can be adjusted at any time, accurately and appropriately.
  • the viewing angle of the liquid crystal display to the most suitable environment is achieved, and the curved surface adjustment assembly is simple in structure and easy to implement.
  • FIG. 1 is a schematic plan view of a curved liquid crystal display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the curved liquid crystal display device of FIG. 1 , wherein the curved support plate is mounted on the back plate of the backlight module;
  • FIG. 3 is a schematic view of the adjusting member of FIG. 2 pulling the backlight module to bend;
  • FIG. 4 is a schematic cross-sectional view of the backlight module of FIG. 1;
  • Figure 5 is a partial schematic view showing a section of the curved liquid crystal display device shown in Figure 2;
  • FIG. 6 is a schematic cross-sectional view of the curved liquid crystal display device of FIG. 1 , wherein the curved support plate is mounted as a back plate of the backlight module.
  • an embodiment of the present invention provides a curved liquid crystal display device including a liquid crystal panel (not shown), a backlight module 12 , and a curved surface adjustment component 15 .
  • the backlight module 12 is mounted and positioned by a component such as a plastic frame or a front case;
  • the curved surface adjustment component 15 includes a curved support plate 16 having a certain curvature and a plurality of adjustment members 18.
  • the adjusting member 18 includes a driving portion 181, a nut 182 fixedly coupled to the driving portion 181, and a screw 183 threadedly coupled to the nut 182.
  • the nut 182 is fixed on the curved support plate 16 , and the edge of the backlight module 12 is limited to the curved support plate 16 , and the free end of the screw 183 is fixedly connected to the backlight module 12 .
  • the driving portion 181 drives the nut 182 to rotate, and the nut 182 drives the screw 183 to move relative to the curved support plate 16 to drive the backlight module 12 to change the degree of curvature.
  • the plurality of adjusting members 18 are evenly distributed on the curved support plate.
  • the curved support plate 16 is made of a non-elastic metal material.
  • a groove may be provided on the outer surface of the curved support plate according to the contact position of the driving portion 181 and the curved support plate for receiving The driving portion 181 abuts against a portion of the curved support plate 16.
  • the backlight module 12 may be curved or planar.
  • the screw 183 of the plurality of adjusting members 18 simultaneously pulls the backlight module 12 to deform relative to the curved supporting plate 16 , and the deformation curve of the backlight module 12 is the same as the curved surface of the curved supporting plate 16 .
  • the curved support plate 16 is a rectangular curved plate that is curved.
  • the drive Portion 181 is a server.
  • the outer surface of the nut of the adjusting member 18 is embedded on the curved support plate 16.
  • the curved support plate 16 may be provided with a limiting slot 161 on the opposite sides of the curved portion (see FIG. 4).
  • the backlight module 12 includes a back plate 121 and an optical module 122 mounted in the back plate 121.
  • the back plate 121 is made of an elastic material.
  • the two sides of the back plate 121 are provided with a convex surface 124 (see FIG. 5 ).
  • the convex surface 124 is limited to the limiting slot 161 , and the free end of the screw 183 is fixedly connected to the back plate 121 .
  • the limiting slot can be disposed on the periphery of the curved support plate 16 .
  • the screw 183 of the plurality of adjusting members 18 pulls the back plate 121 to deform relative to the curved support plate 16 , and the deformation curve of the back plate 121 is the same as the curved surface of the curved support plate 16 .
  • the optical module is adapted to the deformation of the backing plate 141 to change the curvature of the backlight module 12.
  • the curved support plate 16 is a back plate of the backlight module, and the curved support plate 16 is provided with a backlight module.
  • An optical component 19 of 12; the optical component 19 is made of a flexible material.
  • the opposite edges of the optical component 19 are provided with a convex surface.
  • the free end of the screw 183 is fixed on the optical component 19, and the convex surface of the optical component 19 is received in the limiting slot of the curved support plate 16, and the optical component 19 is driven by the adjusting component 18.
  • the optical component 19 When deformed, the optical component 19 is deformed along the curved surface of the curved support plate 16 , and the limiting groove restricts the convex surface of the optical component 19 from completely departing from the limiting groove to prevent the optical component 19 from being separated from the curved supporting plate 16 . .
  • the adjusting member 18 is activated to adjust the relative movement time of the nut 182 and the screw 183 according to the preset time, thereby accurately and appropriately adjusting the bending of the backlight module 12.
  • the degree of viewing of the liquid crystal display to the most suitable environment, and the curved surface adjustment assembly 15 is simple in structure and easy to implement.

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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

一种曲面液晶显示装置，曲面液晶显示装置包括液晶面板、背光模组（12）、前壳及曲面调节组件（15），所述前壳安装于所述液晶面板与所述背光模组（12）的周缘；所述曲面调节组件（15）包括具有一定弧度的曲面支撑板（16）及数个调节件（18），所述调节件（18）包括驱动部（181）、与驱动部（181）固定连接的螺母（182）及与螺母（182）螺纹连接的螺杆（183），所述螺母（182）固定于所述曲面支撑板（16）上，所述背光模组（12）的边缘限位于所述曲面支撑板（16）上，所述螺杆（183）自由端与所述背光模组（12）固定连接，所述驱动部（181）带动所述螺母（182）转动，所述螺母（182）带动所述螺杆（183）相对所述曲面支撑板（16）移动，进而带动所述背光模组（12）改变弯曲度。

Description

曲面液晶显示装置
本发明要求2014年11月26日递交的发明名称为“曲面液晶显示装置”的申请号201410705445.X的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及一种曲面液晶显示装置。
背景技术
近年来，随着液晶显示技术的发展，各大厂商陆续地推出了曲面电视等曲面液晶显示装置，曲面液晶显示装置整片屏幕呈弧形的设计，可提供宽阔的全景影像效果，不论是在屏幕中央还是边缘四周，都能够带来同样的视觉享受，并且在近距离观看时还减少了离轴观看的失真度。此外，曲面液晶显示装置会让用户的观赏距离拉长，达到更好的观赏体验。因此，曲面液晶显示装置有着很大的发展优势。
现有的曲面液晶显示装置的实现方式主要包括；直接在液晶背板上成型曲面结构或者将具有特定弧度的支架锁附于背板，强制背板弯曲成与支架一致的弧度；然而，通过此两种方式得到的液晶显示装置的曲率是固定的，不能依据用户的观看需求进行调整，使视角受到一定的限制。
发明内容
针对上述问题，本发明的目的在于提供一种具有娱乐功能及充电功能的曲面液晶显示装置。
为了解决上述技术问题，本发明提供了一种曲面液晶显示装置，，曲面液晶显示装置包括液晶面板、背光模组、前壳及曲面调节组件，所述前壳安装于所述液晶面板与所述背光模组的周缘；所述曲面调节组件包括具有一定弧度的曲面支撑板及数个调节件，所述调节件包括驱动部、与驱动部固定连接的螺母及与螺母螺纹连接的螺杆，所述螺母固定于所述曲面支撑板上，所述背光模组 的边缘限位于所述曲面支撑板上，所述螺杆自由端与所述背光模组固定连接，所述驱动部带动所述螺母转动，所述螺母带动所述螺杆相对所述曲面支撑板移动，进而带动所述背光模组改变弯曲度。
其中，所述曲面支撑板为非弹性金属材料制成。
其中，所述背光模组包括背板及装于背板内的光学模组，所述曲面支撑板两侧与所述背板边缘卡持，所述螺杆自由端与所述背板固定。
其中，所述背板为弹性材料制成，所述光学组件相应所述背板的曲度进行变形。
其中，所述曲面支撑板为所述背光模组的背板，所述曲面支撑板内装有背光模组的光学组件；所述螺杆自由端固定于所述光学组件上。
其中，所述光学组件为柔性材料制成。
其中，所述曲面支撑板的周缘设有限位槽，所述光学模组周缘设有凸面，所述凸面限位于所述限位槽内。
其中，所述驱动部为伺服器。
其中，所述螺母推动螺杆移动时间为预设值。
其中，所述数个调节件均匀分布于所述曲面支撑板上。
本发明的液晶显示装置在需要改变所述液晶面板的视角时，启动调节件，根据预设时间进行调节螺母与螺杆的相对移动时间，进而可随时、准确而适度调整背光模组的弯曲度，使液晶显示达到最合适环境的的观赏角度，并且所述曲面调节组件结构简单，易于实现。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的曲面液晶显示装置平面示意图；
图2是图1所述的曲面液晶显示装置的截面示意图，其中，曲面支撑板装于背光模组的背板上；
图3是图2所述的调节件拉动所述背光模组弯曲的示意图；
图4是图1所述的调背光模组的截面示意图；
图5是图2所述的曲面液晶显示装置的截面的局部示意图；
图6是图1所述的曲面液晶显示装置的截面示意图，其中，曲面支撑板装为背光模组的背板。
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作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1、图2与图3，本发明实施方式提供一种曲面液晶显示装置，其包括液晶面板(图未示)、背光模组12及曲面调节组件15，所述液晶面板与所述背光模组12通过胶框或前壳等组件安装定位；所述曲面调节组件15包括具有一定弧度的曲面支撑板16及数个调节件18。所述调节件18包括驱动部181、与驱动部181固定连接的螺母182及与螺母182螺纹连接的螺杆183。所述螺母182固定于所述曲面支撑板16上，所述背光模组12的边缘限位于所述曲面支撑板16上，所述螺杆183的自由端与所述背光模组12固定连接，所述驱动部181带动所述螺母182转动，所述螺母182带动所述螺杆183相对所述曲面支撑板16移动，进而带动所述背光模组12改变弯曲度。
具体的，所述数个调节件18均匀分布于所述曲面支撑板上。所述曲面支撑板16为非弹性金属材料制成。为了适应所述曲面支撑板的弧形面与所述驱动部181的位置配合，可以根据所述驱动部181与所述曲面支撑板的接触位置在曲面支撑板外表面设置凹槽，用于收容所述驱动部181抵压曲面支撑板16的部分。
在未启动调节件18时，所述的背光模组12可以是弯曲的也可以是平面的。所述数个调节件18的螺杆183同时拉动所述背光模组12相对所述曲面支撑板16发生形变，所述背光模组12的形变曲线与所述曲面支撑板16的曲线相同。
本实施例中，所述曲面支撑板16为矩形的呈弧形弯曲的薄板。所述驱动 部181为伺服器。所述调节件18的螺母外表面嵌设于所述曲面支撑板16上，所述曲面支撑板16向中部弯曲相对两侧可以设有限位槽161(请参阅图4)。所述背光模组12包括背板121及装于背板121内的光学模组122。所述背板121为弹性材料制成。所述背板121两侧边缘设有凸面124(请参阅图5)，所述凸面124限位于所述限位槽161内，所述螺杆183的自由端与所述背板121固定连接。
可以理解，所述限位槽可以设于所述曲面支撑板16的周缘。
所述数个调节件18的螺杆183拉动所述背板121相对所述曲面支撑板16发生形变，所述背板121的形变曲线与所述曲面支撑板16的曲线相同。所述光学模组随着所述背板141适应性的变形，进而改变背光模组12的弯曲度。
请参阅图6，在本发明的另一个实施例中，与上述实施例不同的是，所述曲面支撑板16为所述背光模组的背板，所述曲面支撑板16内装有背光模组12的光学组件19；所述光学组件19为柔性材料制成。所述光学组件19的相对两边缘设有凸面。所述螺杆183自由端固定于所述光学组件19上，所述光学组件19的凸面收容于所述所述曲面支撑板16的限位槽内，在所述光学组件19被调节件18带动发生形变时，所述光学组件19随着曲面支撑板16的曲线发生形变，所述限位槽限制光学组件19的凸面完全脱离限位槽，避免所述光学组件19与所述曲面支撑板16脱离。
本发明的液晶显示装置在需要改变所述液晶面板10的视角时，启动调节件18，根据预设时间进行调节螺母182与螺杆183的相对移动时间，进而准确而适度调整背光模组12的弯曲度，使液晶显示达到最合适环境的的观赏角度，并且所述曲面调节组件15结构简单，易于实现。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (12)

  1. 一种曲面液晶显示装置，曲面液晶显示装置包括液晶面板、背光模组、前壳及曲面调节组件，其中所述前壳安装于所述液晶面板与所述背光模组的周缘；所述曲面调节组件包括具有一定弧度的曲面支撑板及数个调节件，所述调节件包括驱动部、与驱动部固定连接的螺母及与螺母螺纹连接的螺杆，所述螺母固定于所述曲面支撑板上，所述背光模组的边缘限位于所述曲面支撑板上，所述螺杆自由端与所述背光模组固定连接，所述驱动部带动所述螺母转动，所述螺母带动所述螺杆相对所述曲面支撑板移动，进而带动所述背光模组改变弯曲度。
  2. 根据权利要求1所述的曲面液晶显示装置，其中，所述曲面支撑板为非弹性金属材料制成。
  3. 根据权利要求2所述的曲面液晶显示装置，其中，所述背光模组包括背板及装于背板内的光学模组，所述曲面支撑板两侧与所述背板边缘卡持，所述螺杆自由端与所述背板固定。
  4. 根据权利要求3所述的曲面液晶显示装置，其中，所述背板为弹性材料制成，所述光学组件相应所述背板的曲度进行变形。
  5. 根据权利要求2所述的曲面液晶显示装置，其中，所述曲面支撑板为所述背光模组的背板，所述曲面支撑板内装有背光模组的光学组件；所述螺杆自由端固定于所述光学组件上。
  6. 根据权利要求5所述的曲面液晶显示装置，其中，所述光学组件为柔性材料制成。
  7. 根据权利要求6所述的曲面液晶显示装置，其中，所述曲面支撑板的周缘设有限位槽，所述光学模组周缘设有凸面，所述凸面限位于所述限位槽内。
  8. 根据权利要求4所述的曲面液晶显示装置，其中，所述驱动部为伺服器。
  9. 根据权利要求7所述的曲面液晶显示装置，其中，所述驱动部为伺服器。
  10. 根据权利要求8所述的曲面液晶显示装置，其中，所述螺母推动螺杆 移动时间为预设值。
  11. 根据权利要求9所述的曲面液晶显示装置，其中，所述螺母推动螺杆移动时间为预设值。
  12. 根据权利要求1所述的曲面液晶显示装置，其中，所述数个调节件均匀分布于所述曲面支撑板上。
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