WO2018188163A1 - 光配向装置及光配向方法 - Google Patents

光配向装置及光配向方法 Download PDF

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Publication number
WO2018188163A1
WO2018188163A1 PCT/CN2017/085176 CN2017085176W WO2018188163A1 WO 2018188163 A1 WO2018188163 A1 WO 2018188163A1 CN 2017085176 W CN2017085176 W CN 2017085176W WO 2018188163 A1 WO2018188163 A1 WO 2018188163A1
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light source
liquid crystal
aligned
crystal panel
light
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PCT/CN2017/085176
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English (en)
French (fr)
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宋彦君
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深圳市华星光电半导体显示技术有限公司
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Priority to US15/545,323 priority Critical patent/US10509265B2/en
Publication of WO2018188163A1 publication Critical patent/WO2018188163A1/zh

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    • 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
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a light alignment device and a light alignment method.
  • LCDs liquid crystal displays
  • Various consumer electronic products such as digital assistants, digital cameras, notebook computers, and desktop computers have become mainstream in display devices.
  • liquid crystal display devices which include a liquid crystal display panel and a backlight module.
  • the working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates. There are many vertical and horizontal small wires between the two glass substrates, and the liquid crystal molecules are controlled to change direction by energizing or not, and the light of the backlight module is changed. Refracted to produce a picture.
  • a liquid crystal display panel comprises a color filter (CF) substrate, a thin film transistor (TFT) substrate, a liquid crystal (LC) sandwiched between the color filter substrate and the thin film transistor substrate, and a sealant frame ( Sealant) composition.
  • CF color filter
  • TFT thin film transistor
  • LC liquid crystal
  • a polymer stable vertical alignment (PSVA) type liquid crystal display panel requires liquid crystal alignment.
  • the corresponding equipment is UV exposure machine, the light emitted by the UV exposure machine is unpolarized, and the In-Plane Switching (IPS) type liquid crystal display panel or Fringe Field Switching (FFS)
  • IPS In-Plane Switching
  • FFS Fringe Field Switching
  • the liquid crystal display panel needs to be horizontally aligned with the liquid crystal, and the corresponding device is a rubbing machine or a light alignment device.
  • the light emitted by the existing light alignment device is linearly polarized light, and both PSVA and IPS need to be developed at the same time.
  • the existing technology it is necessary to separately purchase equipment of different requirements, the cost is high, the occupied space is increased, and the management load is also increased.
  • Another object of the present invention is to provide a photo-alignment method capable of performing horizontal alignment and vertical alignment in the alignment process of a liquid crystal display device, which has wide applicability, reduces production cost, and improves production efficiency.
  • the present invention provides a light alignment device, comprising: a carrier platform, a light source located above the carrier platform, and a movable polarizing component located between the carrier platform and the light source; One side of the light source is used to place a liquid crystal panel to be aligned;
  • the polarizing component is configured to move to a region other than below or below the light source according to a display mode of the liquid crystal panel to be aligned, and convert the unpolarized light emitted by the light source into linearly polarized light when moving to the lower side of the light source.
  • the polarizing assembly includes a plurality of stacked glass plates, and an angle between a normal direction of the glass plate and a direction of propagation of unpolarized light emitted by the light source is a Brewster angle.
  • the number of the glass plates is 3-10.
  • the wavelength of the unpolarized light emitted by the light source is 200-800 nm.
  • the invention also provides a photo-alignment method comprising the following steps:
  • Step S1 providing a light alignment device, the light alignment device comprising a carrying platform, a light source located above the carrying platform, and a movable polarizing component located between the carrying platform and the light source;
  • Step S2 placing a liquid crystal panel to be aligned on a side of the bearing platform facing the light source;
  • Step S3 moving the polarizing assembly to an area other than below or below the light source according to the display mode of the liquid crystal panel to be aligned, and performing optical alignment on the liquid crystal panel to be aligned.
  • the step S3 is specifically:
  • the polarizing component is moved to the lower side of the light source, and the liquid crystal panel is to be aligned.
  • the polarizing assembly is moved to an area other than the lower side of the light source, and the liquid crystal panel is to be aligned.
  • the polarizing assembly includes a plurality of stacked glass plates, and an angle between a normal direction of the glass plate and a direction of propagation of unpolarized light emitted by the light source is a Brewster angle.
  • the number of the glass plates is 3-10.
  • the optical alignment device further includes a filter between the light source and the polarizing component and under the light source;
  • the wavelength of the unpolarized light emitted by the light source is 200-800 nm.
  • the invention also provides a light alignment device, comprising: a carrying platform, a light source located above the carrying platform, and a movable polarizing component between the carrying platform and the light source; the side of the carrying platform facing the light source For placing a liquid crystal panel to be aligned;
  • the polarizing component is configured to move to an area other than below or below the light source according to a display mode of the liquid crystal panel to be aligned, and convert the unpolarized light emitted by the light source into Linearly polarized light
  • the polarizing assembly comprises a plurality of stacked glass plates, the angle between the normal direction of the glass plate and the direction of propagation of the unpolarized light emitted by the light source is Brewster's angle;
  • the optical alignment device of the present invention provides a movable polarizing component between the carrying platform and the light source, and the polarizing component moves to the light source when the display mode of the liquid crystal panel to be aligned is a horizontal alignment display mode.
  • the unpolarized light emitted from the light source is converted into linearly polarized light to be aligned on the liquid crystal panel to be aligned, and is moved to a region other than the lower side of the light source when the display mode of the liquid crystal panel to be aligned is a vertical alignment display mode.
  • the unpolarized light emitted by the light source is directly irradiated on the liquid crystal panel to be aligned, so that it can be applied to both the horizontal alignment and the vertical alignment, improving the applicability of the optical alignment device, reducing the production cost, and saving equipment space. Reduce equipment management load.
  • the above-mentioned optical alignment device can perform horizontal alignment and vertical alignment in the alignment process of the liquid crystal display device, and has wide applicability, reduces production cost, and improves production efficiency.
  • FIG. 1 is a schematic structural view of a light alignment device of the present invention
  • FIG. 2 is a flow chart of the optical alignment method of the present invention.
  • the present invention provides a light alignment device, including: a carrier platform 1 , a light source 2 located above the carrier platform 1 , and a movable polarizing component 3 between the carrier platform 1 and the light source 2 .
  • the side of the carrying platform 1 facing the light source 2 is used for placing a liquid crystal panel 4 to be aligned;
  • the polarizing unit 3 is configured to move to a region other than below or below the light source 2 according to a display mode to be aligned with the liquid crystal panel 4, and convert the unpolarized light emitted from the light source 2 into linearly polarized light when moving to the lower side of the light source 2.
  • the optical alignment device is disposed between the carrying platform 1 and the light source 2
  • the moving polarizing element 3 moves the polarizing element 3 to a region other than the lower side of the light source 2 when the liquid crystal panel 4 to be aligned is in a display mode requiring vertical alignment of liquid crystal molecules, such as a PSVA display mode, and the non-polarized light emitted by the light source 2
  • the light is directly irradiated on the liquid crystal panel 4 to be aligned, thereby vertically aligning the liquid crystal molecules.
  • the liquid crystal panel 4 to be aligned is in a display mode in which the liquid crystal molecules are horizontally aligned, such as an IPS display mode or an FFS display mode, the polarized light is polarized.
  • the component 3 is moved below the light source 2, and the unpolarized light emitted by the light source 2 is converted into linearly polarized light by the polarizing element 3 to be irradiated onto the liquid crystal panel 4, thereby horizontally aligning the liquid crystal molecules, that is, the optical alignment device can provide Linearly polarized light can also provide unpolarized light. It can be applied to horizontal alignment and vertical alignment respectively in the alignment process of liquid crystal display devices, which improves the applicability of optical alignment devices, reduces production costs, saves equipment space, and reduces equipment management load. .
  • the polarizing element 3 includes a plurality of stacked glass plates 31, and an angle ⁇ between a normal direction of the glass plate 31 and a direction of propagation of unpolarized light emitted by the light source 2 is a Brewster angle. .
  • the number of the glass sheets 31 is 3-10.
  • the optical alignment device further includes a filter 5 located between the light source 2 and the polarizing component 3 and under the light source 2 for adjusting the wavelength of the unpolarized light emitted by the light source 2.
  • the wavelength of the unpolarized light emitted by the light source 2 is 200-800 nm.
  • the unpolarized light emitted by the light source 2 is ultraviolet light.
  • the carrier platform 1 can heat the liquid crystal panel 4 to be aligned, and the heating temperature is 25° C. to 60° C., thereby improving the efficiency of light alignment.
  • the carrier platform 1 can horizontally move the liquid crystal panel 4 to be aligned, so that the liquid crystal molecules can be completely aligned, and the moving speed of the carrier platform 1 is based on the amount of light emitted by the light source 2. Corresponding settings.
  • the present invention further provides a photo alignment method, comprising the following steps:
  • the optical alignment device includes a carrying platform 1 , a light source 2 located above the carrying platform 1 , and a movable interface between the carrying platform 1 and the light source 2 .
  • the polarizing element 3 includes a plurality of stacked glass plates 31, and an angle ⁇ between a normal direction of the glass plate 31 and a direction of propagation of unpolarized light emitted by the light source 2 is a Brewster angle. .
  • the number of the glass sheets 31 is 3-10.
  • the optical alignment device further includes a filter 5 located between the light source 2 and the polarizing component 3 and under the light source 2 for adjusting the wavelength of the unpolarized light emitted by the light source 2.
  • the wavelength of the unpolarized light emitted by the light source 2 is 200-800 nm.
  • the unpolarized light emitted by the light source 2 is ultraviolet light.
  • Step S2 Place a liquid crystal panel 4 to be aligned on a side of the bearing platform 1 facing the light source 2.
  • step S3 the polarizing unit 3 is moved to a region other than below or below the light source 2 in accordance with the display mode of the liquid crystal panel 4 to be aligned, and the liquid crystal panel 4 is subjected to optical alignment.
  • step S3 is specifically:
  • the display mode of the liquid crystal panel 4 to be aligned is a horizontal alignment display mode
  • the polarizing element 3 is moved below the light source 2, and the liquid crystal panel 4 is to be optically aligned;
  • the polarizing unit 3 is moved to a region other than the lower portion of the light source 2, and the liquid crystal panel 4 is to be optically aligned.
  • a movable polarizing component 3 is disposed between the carrying platform 1 and the light source 2, and the liquid crystal molecules need to be vertical when the liquid crystal panel 4 to be aligned is in the PSVA display mode.
  • the polarizing element 3 is moved to a region other than below the light source 2, and the unpolarized light emitted by the light source 2 is directly irradiated on the liquid crystal panel 4 to be aligned, thereby vertically aligning the liquid crystal molecules when the liquid crystal molecules are to be aligned.
  • the polarizing element 3 When the panel 4 is in a display mode in which the liquid crystal molecules are horizontally aligned, such as an IPS display mode or an FFS display mode, the polarizing element 3 is moved below the light source 2, and the unpolarized light emitted from the light source 2 is converted into a linearity via the polarizing element 3.
  • the polarized light is irradiated on the liquid crystal panel 4 to be aligned, thereby horizontally aligning the liquid crystal molecules, that is, the optical alignment method can perform horizontal alignment and vertical alignment in the alignment process of the liquid crystal display device. Wide range of properties, reducing production costs and increasing production efficiency.
  • the carrying platform 1 is horizontally moved to be aligned with the liquid crystal panel 4, so that the liquid crystal molecules can be completely aligned, and the moving speed of the carrying platform 1 is according to the light source 2.
  • the amount of light output corresponds to the setting.
  • the loading platform 1 heats the liquid crystal panel 4 to be aligned, and the heating temperature is 25° C. to 60° C., thereby improving the efficiency of light alignment.
  • the optical alignment device of the present invention is provided with a movable polarizing component between the carrying platform and the light source, and the polarizing component moves to the lower side of the light source when the display mode of the liquid crystal panel to be aligned is a horizontal alignment display mode. Converting the unpolarized light emitted by the light source into linearly polarized light to align with the liquid crystal panel to be aligned, and moving to a region other than below the light source when the display mode of the liquid crystal panel to be aligned is a vertical alignment display mode, so that the light source The emitted unpolarized light is directly irradiated on the liquid crystal panel to be aligned, so that it can be applied to horizontal alignment as well.
  • the above-mentioned optical alignment device can perform horizontal alignment and vertical alignment in the alignment process of the liquid crystal display device, and has wide applicability, reduces production cost, and improves production efficiency.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
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Abstract

一种光配向装置及光配向方法。光配向装置包括,在承载平台(1)与光源(2)之间设置一可移动的偏光组件(3),偏光组件(3)在待配向液晶面板(4)的显示模式为水平配向的显示模式时移动至光源(2)的下方,将光源(2)发出的非偏振光转换为线性偏振光照射在待配向液晶面板(4)上对其进行配向,在待配向液晶面板(4)的显示模式为垂直配向的显示模式时移动至光源(2)下方以外的区域,使光源(2)发出的非偏振光直接照射在待配向液晶面板(4)上对其进行配向,从而既能应用于水平配向也能应用于垂直配向,提高了光配向装置的适用性,降低了生产成本,节省设备空间,减少设备管理负荷。

Description

光配向装置及光配向方法 技术领域
本发明涉及显示技术领域,尤其涉及一种光配向装置及光配向方法。
背景技术
随着显示技术的发展,液晶显示器(Liquid Crystal Display,LCD)等平面显示装置因具有高画质、省电、机身薄及应用范围广等优点,而被广泛的应用于手机、电视、个人数字助理、数字相机、笔记本电脑、台式计算机等各种消费性电子产品,成为显示装置中的主流。
现有市场上的液晶显示装置大部分为背光型液晶显示器,其包括液晶显示面板及背光模组(Backlight Module)。液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子,两片玻璃基板中间有许多垂直和水平的细小电线,通过通电与否来控制液晶分子改变方向,将背光模组的光线折射出来产生画面。通常液晶显示面板由彩膜(Color Filter,CF)基板、薄膜晶体管(Thin Film Transistor,TFT)基板、夹于彩膜基板与薄膜晶体管基板之间的液晶(Liquid Crystal,LC)及密封胶框(Sealant)组成。
在液晶显示配向过程中,由于液晶显示面板中的显示模式不同,其配向方法也不同,需要不同的配向设备,例如聚合物稳定垂直配向(Polmer Stabilized Vertivally Aligned,PSVA)型液晶显示面板需要对液晶进行垂直配向,对应的设备为紫外曝光机,紫外曝光机照射出的光为非偏振光,而平面转换(In-Plane Switching,IPS)型液晶显示面板或者边缘场开关(Fringe Field Switching,FFS)型液晶显示面板需要对液晶进行水平配向,对应的设备为磨刷(Rubbing)机台或光配向装置,现有的光配向装置照射出的光为线偏振光,如需同时开发PSVA和IPS两种技术,按照现有的技术,需分别购买不同需求的设备,成本高,占地空间增大,同时管理负荷也增加。
发明内容
本发明的目的在于提供一种光配向装置,既能够提供线性偏振光也能够提供非偏振光,能分别应用于水平配向和垂直配向,提高了光配向装置的适用性,降低了生产成本,节省设备空间,减少设备管理负荷。
本发明的目的还在于提供一种光配向方法,在液晶显示装置的配向过程中既能进行水平配向,也能进行垂直配向,适用性广,降低了生产成本,提高了生产效率。
为实现上述目的,本发明提供一种光配向装置,包括:承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;所述承载平台面向光源的一侧用于放置一待配向液晶面板;
所述偏光组件用于根据待配向液晶面板的显示模式移动至光源的下方或下方以外的区域,在移动至光源的下方时将光源发出的非偏振光转换为线性偏振光。
所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角。
所述玻璃板的数量为3-10个。
还包括位于光源与偏光组件之间且位于光源下方的滤光片。
所述光源发出的非偏振光的波长为200-800nm。
本发明还提供一种光配向方法,包括如下步骤:
步骤S1、提供一光配向装置,所述光配向装置包括承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;
步骤S2、在所述承载平台面向光源的一侧放置一待配向液晶面板;
步骤S3、根据待配向液晶面板的显示模式将偏光组件移动至光源的下方或下方以外的区域,对待配向液晶面板进行光配向。
所述步骤S3具体为:
当待配向液晶面板的显示模式为采用水平配向的显示模式时,将偏光组件移动至光源的下方,对待配向液晶面板进行光配向;
当待配向液晶面板的显示模式为采用垂直配向的显示模式时,将偏光组件移动至光源下方以外的区域,对待配向液晶面板进行光配向。
所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角。
所述玻璃板的数量为3-10个。
所述光配向装置还包括位于光源与偏光组件之间且位于光源下方的滤光片;
所述光源发出的非偏振光的波长为200-800nm。
本发明还提供一种光配向装置,包括:承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;所述承载平台面向光源的一侧用于放置一待配向液晶面板;
所述偏光组件用于根据待配向液晶面板的显示模式移动至光源的下方或下方以外的区域,在移动至光源的下方时将光源发出的非偏振光转换为 线性偏振光;
其中,所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角;
还包括位于光源与偏光组件之间且位于光源下方的滤光片。
本发明的有益效果:本发明的光配向装置,在承载平台与光源之间设置一可移动的偏光组件,该偏光组件在待配向液晶面板的显示模式为水平配向的显示模式时移动至光源的下方,将光源发出的非偏振光转换为线性偏振光照射在待配向液晶面板上对其进行配向,在待配向液晶面板的显示模式为垂直配向的显示模式时移动至光源下方以外的区域,使光源发出的非偏振光直接照射在待配向液晶面板上对其进行配向,从而既能应用于水平配向也能应用于垂直配向,提高了光配向装置的适用性,降低了生产成本,节省设备空间,减少设备管理负荷。本发明的光配向方法,采用上述光配向装置,在液晶显示装置的配向过程中既能进行水平配向,也能进行垂直配向,适用性广,降低了生产成本,提高了生产效率。
附图说明
为了能更进一步了解本发明的特征以及技术内容,请参阅以下有关本发明的详细说明与附图,然而附图仅提供参考与说明用,并非用来对本发明加以限制。
附图中,
图1为本发明的光配向装置的结构示意图;
图2为本发明的光配向方法的流程图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果,以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图1,本发明提供一种光配向装置,包括:承载平台1、位于所述承载平台1上方的光源2、及位于所述承载平台1与光源2之间的可移动的偏光组件3;所述承载平台1面向光源2的一侧用于放置一待配向液晶面板4;
所述偏光组件3用于根据待配向液晶面板4的显示模式移动至光源2的下方或下方以外的区域,在移动至光源2的下方时将光源2发出的非偏振光转换为线性偏振光。
需要说明的是,上述光配向装置在承载平台1与光源2之间设置一可 移动的偏光组件3,当待配向液晶面板4为PSVA显示模式等需要对液晶分子进行垂直配向的显示模式时,将所述偏光组件3移动至光源2下方以外的区域,光源2发出的非偏振光直接照射在待配向液晶面板4上,从而对液晶分子进行垂直配向,当待配向液晶面板4为IPS显示模式或FFS显示模式等需要对液晶分子进行水平配向的显示模式时,将所述偏光组件3移动至光源2的下方,光源2发出的非偏振光经由偏光组件3转换为线性偏振光照射在待配向液晶面板4上,从而对液晶分子进行水平配向,即该光配向装置既能够提供线性偏振光也能提供非偏振光,在液晶显示装置的配向过程中能分别应用于水平配向和垂直配向,提高了光配向装置的适用性,降低了生产成本,节省设备空间,减少设备管理负荷。
具体地,所述偏光组件3包括多个层叠设置的玻璃板31,所述玻璃板31的法线方向与光源2发出的非偏振光的传播方向之间的夹角θ为布儒斯特角。
优选地,所述玻璃板31的数量为3-10个。
具体地,所述光配向装置还包括位于光源2与偏光组件3之间且位于光源2下方的滤光片5,用于对光源2发出的非偏振光的波长进行调整。
具体地,所述光源2发出的非偏振光的波长为200-800nm。
优选地,所述光源2发出的非偏振光为紫外光。
具体地,在对待配向液晶面板4进行光配向时,所述承载平台1能够对待配向液晶面板4进行加热,加热温度为25℃-60℃,提高光配向的效率。
具体地,在对待配向液晶面板4进行光配向时,所述承载平台1能够水平移动待配向液晶面板4,使得液晶分子能够配向完全,所述承载平台1的移动速度根据光源2的出光量大小对应设置。
请参阅图2,基于上述的光配向装置,本发明还提供一种光配向方法,包括如下步骤:
步骤S1、如图1所示,提供一光配向装置,所述光配向装置包括承载平台1、位于所述承载平台1上方的光源2、及位于所述承载平台1与光源2之间的可移动的偏光组件3。
具体地,所述偏光组件3包括多个层叠设置的玻璃板31,所述玻璃板31的法线方向与光源2发出的非偏振光的传播方向之间的夹角θ为布儒斯特角。
优选地,所述玻璃板31的数量为3-10个。
具体地,所述光配向装置还包括位于光源2与偏光组件3之间且位于光源2下方的滤光片5,用于对光源2发出的非偏振光波长进行调整。
具体地,所述光源2发出的非偏振光的波长为200-800nm。
优选地,所述光源2发出的非偏振光为紫外光。
步骤S2、在所述承载平台1面向光源2的一侧放置一待配向液晶面板4。
步骤S3、根据待配向液晶面板4的显示模式将偏光组件3移动至光源2的下方或下方以外的区域,对待配向液晶面板4进行光配向。
具体地,所述步骤S3具体为:
当待配向液晶面板4的显示模式为采用水平配向的显示模式时,将偏光组件3移动至光源2的下方,对待配向液晶面板4进行光配向;
当待配向液晶面板4的显示模式为采用垂直配向的显示模式时,将偏光组件3移动至光源2下方以外的区域,对待配向液晶面板4进行光配向。
需要说明的是,上述光配向方法提供的光配向装置,在承载平台1与光源2之间设置一可移动的偏光组件3,当待配向液晶面板4为PSVA显示模式等需要对液晶分子进行垂直配向的显示模式时,将所述偏光组件3移动至光源2下方以外的区域,光源2发出的非偏振光直接照射在待配向液晶面板4上,从而对液晶分子进行垂直配向,当待配向液晶面板4为IPS显示模式或FFS显示模式等需要对液晶分子进行水平配向的显示模式时,将所述偏光组件3移动至光源2的下方,光源2发出的非偏振光经由偏光组件3转换为线性偏振光照射在待配向液晶面板4上,从而对液晶分子进行水平配向,即该光配向方法利用该光配向装置在液晶显示装置的配向过程中既能进行水平配向,也能进行垂直配向,适用性广,降低了生产成本,提高了生产效率。
具体地,所述步骤S3在对待配向液晶面板4进行光配向时,所述承载平台1水平移动待配向液晶面板4,使得液晶分子能够配向完全,所述承载平台1的移动速度根据光源2的出光量大小对应设置。
具体地,所述步骤S3在对待配向液晶面板4进行光配向时,所述承载平台1对待配向液晶面板4进行加热,加热温度为25℃-60℃,提高光配向的效率。
综上所述,本发明的光配向装置,在承载平台与光源之间设置一可移动的偏光组件,该偏光组件在待配向液晶面板的显示模式为水平配向的显示模式时移动至光源的下方,将光源发出的非偏振光转换为线性偏振光照射在待配向液晶面板上对其进行配向,在待配向液晶面板的显示模式为垂直配向的显示模式时移动至光源下方以外的区域,使光源发出的非偏振光直接照射在待配向液晶面板上对其进行配向,从而既能应用于水平配向也 能应用于垂直配向,提高了光配向装置的适用性,降低了生产成本,节省设备空间,减少设备管理负荷。本发明的光配向方法,采用上述光配向装置,在液晶显示装置的配向过程中既能进行水平配向,也能进行垂直配向,适用性广,降低了生产成本,提高了生产效率。
以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明后附的权利要求的保护范围。

Claims (13)

  1. 一种光配向装置,包括:承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;所述承载平台面向光源的一侧用于放置一待配向液晶面板;
    所述偏光组件用于根据待配向液晶面板的显示模式移动至光源的下方或下方以外的区域,在移动至光源的下方时将光源发出的非偏振光转换为线性偏振光。
  2. 如权利要求1所述的光配向装置,其中,所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角。
  3. 如权利要求2所述的光配向装置,其中,所述玻璃板的数量为3-10个。
  4. 如权利要求1所述的光配向装置,还包括位于光源与偏光组件之间且位于光源下方的滤光片。
  5. 如权利要求1所述的光配向装置,其中,所述光源发出的非偏振光的波长为200-800nm。
  6. 一种光配向方法,包括如下步骤:
    步骤S1、提供一光配向装置,所述光配向装置包括承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;
    步骤S2、在所述承载平台面向光源的一侧放置一待配向液晶面板;
    步骤S3、根据待配向液晶面板的显示模式将偏光组件移动至光源的下方或下方以外的区域,对待配向液晶面板进行光配向。
  7. 如权利要求6所述的光配向方法,其中,所述步骤S3具体为:
    当待配向液晶面板的显示模式为采用水平配向的显示模式时,将偏光组件移动至光源的下方,对待配向液晶面板进行光配向;
    当待配向液晶面板的显示模式为采用垂直配向的显示模式时,将偏光组件移动至光源下方以外的区域,对待配向液晶面板进行光配向。
  8. 如权利要求6所述的光配向方法,其中,所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角。
  9. 如权利要求8所述的光配向方法,其中,所述玻璃板的数量为3-10 个。
  10. 如权利要求6所述的光配向方法,其中,所述光配向装置还包括位于光源与偏光组件之间且位于光源下方的滤光片;
    所述光源发出的非偏振光的波长为200-800nm。
  11. 一种光配向装置,包括:承载平台、位于所述承载平台上方的光源、及位于所述承载平台与光源之间的可移动的偏光组件;所述承载平台面向光源的一侧用于放置一待配向液晶面板;
    所述偏光组件用于根据待配向液晶面板的显示模式移动至光源的下方或下方以外的区域,在移动至光源的下方时将光源发出的非偏振光转换为线性偏振光;
    其中,所述偏光组件包括多个层叠设置的玻璃板,所述玻璃板的法线方向与光源发出的非偏振光的传播方向之间的夹角为布儒斯特角;
    还包括位于光源与偏光组件之间且位于光源下方的滤光片。
  12. 如权利要求11所述的光配向装置,其中,所述玻璃板的数量为3-10个。
  13. 如权利要求11所述的光配向装置,其中,所述光源发出的非偏振光的波长为200-800nm。
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030043461A1 (en) * 2001-08-29 2003-03-06 Delpico Joseph Polarized exposure for web manufacture
CN102445788A (zh) * 2010-10-13 2012-05-09 奇美电子股份有限公司 光配向制程与使用此光配向制程的液晶显示装置
CN103869547A (zh) * 2014-03-31 2014-06-18 南京中电熊猫液晶显示科技有限公司 一种光配向设备及其制作方法
CN104765199A (zh) * 2015-05-04 2015-07-08 合肥京东方光电科技有限公司 一种配向装置及配向方法
CN105474002A (zh) * 2013-08-22 2016-04-06 住友化学株式会社 缺陷检查装置、光学构件的制造系统以及光学显示设备的生产系统
CN106019721A (zh) * 2016-07-27 2016-10-12 京东方科技集团股份有限公司 光配向膜制作过程中偏光板的调节方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7244627B2 (en) * 2003-08-25 2007-07-17 Lg.Philips Lcd Co., Ltd. Method for fabricating liquid crystal display device
JP4892859B2 (ja) * 2005-04-20 2012-03-07 ウシオ電機株式会社 偏光光照射装置
KR101221213B1 (ko) * 2005-12-29 2013-01-11 엘지디스플레이 주식회사 광 조사 장치
CN104849913A (zh) * 2015-05-06 2015-08-19 深圳市华星光电技术有限公司 一种光配向装置及系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030043461A1 (en) * 2001-08-29 2003-03-06 Delpico Joseph Polarized exposure for web manufacture
CN102445788A (zh) * 2010-10-13 2012-05-09 奇美电子股份有限公司 光配向制程与使用此光配向制程的液晶显示装置
CN105474002A (zh) * 2013-08-22 2016-04-06 住友化学株式会社 缺陷检查装置、光学构件的制造系统以及光学显示设备的生产系统
CN103869547A (zh) * 2014-03-31 2014-06-18 南京中电熊猫液晶显示科技有限公司 一种光配向设备及其制作方法
CN104765199A (zh) * 2015-05-04 2015-07-08 合肥京东方光电科技有限公司 一种配向装置及配向方法
CN106019721A (zh) * 2016-07-27 2016-10-12 京东方科技集团股份有限公司 光配向膜制作过程中偏光板的调节方法及装置

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