CN109119456B - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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CN109119456B
CN109119456B CN201811237419.3A CN201811237419A CN109119456B CN 109119456 B CN109119456 B CN 109119456B CN 201811237419 A CN201811237419 A CN 201811237419A CN 109119456 B CN109119456 B CN 109119456B
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liquid crystal
organic electroluminescent
display panel
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CN109119456A (zh
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秦纬
彭宽军
李小龙
王铁石
高雪岭
彭锦涛
李胜男
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BOE Technology Group Co Ltd
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    • H—ELECTRICITY
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    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • 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 
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    • 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 
    • G02F1/0136—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  for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
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    • 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
    • G02F1/1313—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 specially adapted for a particular application
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    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/1343—Electrodes
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
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Abstract

本发明涉及显示技术领域，公开一种显示面板及显示装置，本发明提供的显示面板包括：有机电致发光器件，有机电致发光器件包括阳极层；位于有机电致发光器件出光侧的液晶盒，液晶盒中包括液晶层，液晶层的液晶分子在初始取向状态下用于使环境光穿过液晶层入射至阳极层、且经阳极层反射后穿出液晶层时光轴的相位偏转90°；电极组件，用于控制液晶层内液晶分子偏转；线性偏光片，设置于液晶盒背离有机电致发光器件的一侧表面。上述显示面板，可以用于消除或减弱有机电致发光器件在强光下的反射光。

Description

显示面板及显示装置
技术领域
本发明显示技术领域，特别涉及一种显示面板及显示装置。
背景技术
近年来，OLED(Organic Light Emitting Diode；有机电致发光器件)显示技术发展迅速，成为公认地替代液晶显示技术的新一代显示技术。
但是，强光下，因OLED显示面板中的金属阳极反光，导致看不清楚显示面板上所显示的内容，为了看清画面，不得不提高屏幕亮度，影响显示面板使用寿命。
发明内容
本发明公开了一种显示面板，用于消除或减弱有机电致发光器件在强光下的反射光。
为达到上述目的，本发明提供以下技术方案：
一种显示面板，包括：
有机电致发光器件，所述有机电致发光器件包括阳极层；
位于所述有机电致发光器件出光侧的液晶盒，所述液晶盒中包括液晶层，所述液晶层的液晶分子在初始取向状态下用于使环境光穿过所述液晶层入射至所述阳极层、且经所述阳极层反射后穿出所述液晶层时光轴的相位偏转90°；
电极组件，用于控制所述液晶层内液晶分子偏转；
线性偏光片，设置于所述液晶盒背离所述有机电致发光器件的一侧表面。
上述的显示面板，电极组件中的极板之间电位差为零时，即电极组件中电场为零时，环境光经过线性偏光片后，形成线偏振光，线偏振光入射至阳极层且经阳极层反射后光轴的相位发生了90°偏转，经过90°偏转的线偏振光不能经过上述线性偏光片，有效避免了强光下阳极层反光导致的看不清楚OLED显示面板所显示内容的问题；根据实际情况，有时需要阳极反射部分光线，此时只需调节电极组件中极板之间的电位差，进而调节电场强度，以使液晶层中的液晶分子在电场作用下发生部分偏转，则线偏振光穿过液晶层入射至阳极层、且经阳极层反射后穿出液晶层时光轴的相位偏转小于90°，从液晶层穿出的线偏振光能够部分穿出线性偏光片，能够穿出线性偏光片的线偏振光越多，因此，本发明提供的显示面板，可以通过调节电极组件中极板之间的电位差，以得到不同强度的反射光。
优选地，所述液晶盒包括位于所述液晶层背离所述有机电致发光器件一侧的阵列基板，所述阵列基板朝向所述有机电致发光器件的一侧设有像素电极层；
所述有机电致发光器件还包括阴极层以及有机电致发光层，所述阴极层位于所述阳极层朝向所述液晶盒的一侧，所述有机电致发光层位于所述阳极层与所述阴极层之间；
所述像素电极层和所述阴极层配合形成所述电极组件。
优选地，所述阴极层背离所述阳极层的一侧设有彩色滤光层。
优选地，所述液晶盒还包括相对设置的阵列基板和对向基板，所述液晶层位于所述阵列基板和对向基板之间，所述阵列基板上设有公共电极和像素电极层，所述公共电极和像素电极层配合形成所述电极组件。
进一步地，所述对向基板上设有彩色滤光层。
优选地，所述液晶盒还包括相对设置的阵列基板和对向基板，所述液晶层位于所述阵列基板和对向基板之间，所述阵列基板上设有像素电极层，所述对向基板上设有公共电极，所述公共电极和所述像素电极层配合形成所述电极组件。
进一步地，所述对向基板上设有彩色滤光层。
进一步地，所述液晶盒中，阵列基板包括：
衬底；
依次形成于所述衬底上的多晶硅层，栅绝缘层，栅极及栅线，绝缘间隔层，和，源漏极及数据线；
其中，多晶硅层、栅绝缘层、栅极、绝缘间隔层、源漏极形成用于控制所述像素电极层的薄膜晶体管器件；
相邻的两条数据线和每相邻的两条栅线之间围成一调节区域，每一个所述调节区域与有机电致发光器件中的至少一个像素单元相对。
本发明还公开了一种显示面板，用于消除或减弱有机电致发光器件在强光下的反射光。
为达到上述目的，本发明提供以下技术方案：
一种显示装置，包括：上述技术方案所述的显示面板。
所述的显示装置与所述的显示面板相对于现有技术所具有的优势相同，在此不再赘述。
附图说明
图1为本发明实施例提供的显示面板的结构示意图。
图标：1-玻璃基板；2-衬底；3-线性偏光片；4-阳极层；5-有机电致发光层；6-阴极层；7-彩色滤光层；8-液晶层；9-像素电极层；10-薄膜晶体管器件；11-薄膜晶体管开关；12-平坦层。
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，都属于本发明保护的范围。
实施例一
本发明实施例提供的显示面板，包括：
有机电致发光器件，有机电致发光器件包括阳极层4；
位于有机电致发光器件出光侧的液晶盒，液晶盒中包括液晶层8，液晶层8的液晶分子在初始取向状态下用于使环境光穿过液晶层8入射至阳极层4、且经阳极层4反射后穿出液晶层8时光轴的相位偏转90°；
电极组件，用于控制液晶层8内液晶分子偏转；
线性偏光片3，设置于液晶盒背离有机电致发光器件的一侧表面。
上述的显示面板，电极组件中的极板之间电位差为零时，即电极组件中电场为零时，环境光经过线性偏光片3后，形成线偏振光，线偏振光入射至阳极层4且经阳极层4反射后光轴的相位发生了90°偏转，经过90°偏转的线偏振光不能经过上述线性偏光片3，有效避免了强光下阳极层4反光导致的看不清楚OLED显示面板所显示内容的问题；根据实际情况，有时需要阳极反射部分光线，此时只需调节电极组件中极板之间的电位差，进而调节电场强度，以使液晶层8中的液晶分子在电场作用下发生部分偏转，则线偏振光穿过液晶层8入射至阳极层4、且经阳极层4反射后穿出液晶层8时光轴的相位偏转小于90°，从液晶层8穿出的线偏振光能够部分穿出线性偏光片3，能够穿出线性偏光片3的线偏振光越多，因此，本发明提供的显示面板，可以通过调节电极组件中极板之间的电位差，以得到不同强度的反射光。
例如，作为一种具体的实施方式，可使电极组件中相对设置的极板上的配向膜的配向槽的夹角为45°，液晶层8的液晶分子在初始取向状态下，环境光穿过液晶层8入射至阳极层4、且经阳极层4反射后穿出液晶层8时光轴的相位偏转90°。
电极组件的形成方式至少有以下三种情况：
第一种情况，如图1所示，液晶盒包括位于液晶层8背离有机电致发光器件一侧的阵列基板，阵列基板朝向有机电致发光器件的一侧设有像素电极层9；
有机电致发光器件还包括阴极层6以及有机电致发光层5，阴极层6位于阳极层4朝向液晶盒的一侧，有机电致发光层5位于阳极层4与阴极层6之间；
像素电极层9和阴极层6配合形成上述电极组件。
其中，如图1所示，有机电致发光器件还包括用于控制阳极层4的薄膜晶体管开关11以、形成于薄膜晶体管开关11和阳极层4之间的平坦层12，以及位于薄膜晶体管开关11背离平坦层12一侧的玻璃基板1。
在上述第一种情况的基础上，阴极层6背离阳极层4的一侧设有彩色滤光层7，以使有机电致发光器件发出的光经过彩色滤光层7后能够形成彩色光，从而，显示面板进行彩色显示。
第二种情况(图中未示出)，液晶盒还包括相对设置的阵列基板和对向基板，液晶层8位于阵列基板和对向基板之间，阵列基板上设有公共电极和像素电极层9，公共电极和像素电极层9配合形成电极组件。
在上述第二种情况的基础上，对向基板上设有彩色滤光层7，以使有机电致发光器件发出的光经过彩色滤光层7后能够形成彩色光，从而，显示面板进行彩色显示。需要说明的是，彩色滤光层7可以设置在对向基板的两个相对侧面中的任意一侧，也可在对向基板的两侧面均设置彩色滤光层7。
第三种情况(图中未示出)，液晶盒还包括相对设置的阵列基板和对向基板，液晶层8位于阵列基板和对向基板之间，阵列基板上设有像素电极层9，对向基板上设有公共电极，公共电极和像素电极层9配合形成上述电极组件。
在上述第三种情况的基础上，对向基板上设有彩色滤光层7，以使有机电致发光器件发出的光经过彩色滤光层7后能够形成彩色光，从而，显示面板进行彩色显示；需要说明的是，彩色滤光层7可以设置在对向基板的两个相对侧面中的任意一侧，也可在对向基板的两侧面均设置彩色滤光层7。
在上述第二种情况和第三种情况中，可以直接在已经成型的OLED面板上通过加设液晶盒和线性偏光片3，即可制成本发明实施例中可以消除反射光的显示面板；即直接对现成的OLED面板进行二次加工升级为防反射光的显示面板，便于实际生产制造。
进一步地，液晶盒中，阵列基板包括：
衬底2；
依次形成于衬底2上的多晶硅层，栅绝缘层，栅极及栅线，绝缘间隔层，和，源漏极及数据线；
其中，多晶硅层、栅绝缘层、栅极、绝缘间隔层、源漏极形成用于控制像素电极层9的薄膜晶体管器件10；
相邻的两条数据线和每相邻的两条栅线之间围成一调节区域，每一个调节区域与有机电致发光器件中的至少一个像素单元相对。
例如，每一个调节区域可以与有机电致发光器件中的一个像素单元相对，以使每一个调节区域都单独控制有机电致发光器件中的一个像素单元的反射光强度；也可以每一个调节区域可以与有机电致发光器件中的多个像素单元相对，例如，一个调节区域对应有机电致发光器件中的像素单元的数量为4个、9个、16个和25个等，以使每一个调节区域都单独控制有机电致发光器件中的多个像素单元的反射光强度。
实施例二
本发明实施例二提供的显示装置，包括：实施例一提供的显示面板。
上述的显示面板，电极组件中的极板之间电位差为零时，即电极组件中电场为零时，环境光经过线性偏光片3后，形成线偏振光，线偏振光入射至阳极层4且经阳极层4反射后光轴的相位发生了90°偏转，经过90°偏转的线偏振光不能经过上述线性偏光片3，有效避免了强光下阳极层4反光导致的看不清楚OLED显示面板所显示内容的问题；根据实际情况，有时需要阳极反射部分光线，此时只需调节电极组件中极板之间的电位差，进而调节电场强度，以使液晶层8中的液晶分子在电场作用下发生部分偏转，则线偏振光穿过液晶层8入射至阳极层4、且经阳极层4反射后穿出液晶层8时光轴的相位偏转小于90°，从液晶层8穿出的线偏振光能够部分穿出线性偏光片3，能够穿出线性偏光片3的线偏振光越多，因此，本发明提供的显示面板，可以通过调节电极组件中极板之间的电位差，以得到不同强度的反射光。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (8)

1.一种显示面板，其特征在于，包括：
有机电致发光器件，所述有机电致发光器件包括阳极层；
位于所述有机电致发光器件出光侧的液晶盒，所述液晶盒中包括液晶层，所述液晶层的液晶分子在初始取向状态下用于使环境光穿过所述液晶层入射至所述阳极层、且经所述阳极层反射后穿出所述液晶层时光轴的相位偏转90°；
电极组件，用于控制所述液晶层内液晶分子偏转；
线性偏光片，设置于所述液晶盒背离所述有机电致发光器件的一侧表面；
所述液晶盒包括位于所述液晶层背离所述有机电致发光器件一侧的阵列基板，所述阵列基板朝向所述有机电致发光器件的一侧设有像素电极层；
所述有机电致发光器件还包括阴极层以及有机电致发光层，所述阴极层位于所述阳极层朝向所述液晶盒的一侧，所述有机电致发光层位于所述阳极层与所述阴极层之间；
所述像素电极层和所述阴极层配合形成所述电极组件。
2.根据权利要求1所述的显示面板，其特征在于，所述阴极层背离所述阳极层的一侧设有彩色滤光层。
3.根据权利要求1所述的显示面板，其特征在于，所述液晶盒还包括相对设置的阵列基板和对向基板，所述液晶层位于所述阵列基板和对向基板之间，所述阵列基板上设有公共电极和像素电极层，所述公共电极和所述像素电极层配合形成所述电极组件。
4.根据权利要求3所述的显示面板，其特征在于，所述对向基板上设有彩色滤光层。
5.根据权利要求1所述的显示面板，其特征在于，所述液晶盒还包括相对设置的阵列基板和对向基板，所述液晶层位于所述阵列基板和对向基板之间，所述阵列基板上设有像素电极层，所述对向基板上设有公共电极，所述公共电极和所述像素电极层配合形成所述电极组件。
6.根据权利要求5所述的显示面板，其特征在于，所述对向基板上设有彩色滤光层。
7.根据权利要求1-6任一项所述的显示面板，其特征在于，所述液晶盒中，阵列基板包括：
衬底；
依次形成于所述衬底上的多晶硅层，栅绝缘层，栅极及栅线，绝缘间隔层，和，源漏极及数据线；
其中，多晶硅层、栅绝缘层、栅极、绝缘间隔层、源漏极形成用于控制所述像素电极层的薄膜晶体管器件；
相邻的两条数据线和每相邻的两条栅线之间围成一调节区域，每一个所述调节区域与有机电致发光器件中的至少一个像素单元相对。
8.一种显示装置，其特征在于，包括权利要求1-7任一项所述的显示面板。
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