CN106646927B - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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CN106646927B
CN106646927B CN201610945160.2A CN201610945160A CN106646927B CN 106646927 B CN106646927 B CN 106646927B CN 201610945160 A CN201610945160 A CN 201610945160A CN 106646927 B CN106646927 B CN 106646927B
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light
display panel
substrate
thin film
pattern
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CN106646927A (zh
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臧鹏程
李挺
徐元杰
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Priority to US15/743,145 priority patent/US10613373B2/en
Priority to PCT/CN2017/090016 priority patent/WO2018082318A1/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 
    • G02F1/0102Constructional details, not otherwise provided for in this subclass
    • 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
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/04Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • G02B6/06Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
    • G02B6/08Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
    • 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 
    • G02F1/15Devices 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 an electrochromic effect
    • G02F1/153Constructional details
    • G02F1/157Structural association of cells with optical devices, e.g. reflectors or illuminating devices
    • 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 
    • G02F1/19Devices 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 variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • 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 
    • G02F1/15Devices 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 an electrochromic effect
    • G02F1/163Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
    • G02F2001/1635Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor the pixel comprises active switching elements, e.g. TFT

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明提供一种显示面板及显示装置,涉及显示技术领域。其中,显示面板包括:对盒设置的第一基板和第二基板;形成在所述第一基板朝向所述第二基板一侧的反光图形;形成在所述第一基板和所述第二基板之间的光传导介质,用于将所述显示面板的入射光线传导至所述反光图形,从而使得该入射光线被反光图形反射形成反射光线,所述反射光线经所述光传导介质传导,出射所述显示面板。本发明在显示面板盒间设置光传导介质,使得入射光线以较小的传输损耗达到反射图形实现反射出光,不仅具有较高的出光量,且结构较为简单,更易于实施,具有很高的实用性。

Description

一种显示面板及显示装置
技术领域
本发明涉及显示领域,特别是指一种显示面板及显示装置。
背景技术
现有依靠反射光源的显示屏一般分为液晶显示技术和电泳显示技术两种。
液晶显示技术通常是入射光通过偏光板到达上基板、液晶层后到达反射层,光反射后经过液晶层和偏光板出射。即,主要通过控制液晶的旋转来控制出射光的出射量。由于光通过偏光板以及液晶后损耗较大,最终光的透过率较低,且液晶反射显示在柔性显示还有许多问题,难以在产品上实现。
电泳显示技术主要是在显示面板之间设置带有粒子的胶囊,通过电压控制胶囊中粒子的转动来实现反光,目前电泳显示技术实现彩色显示只停留在理论阶段,真正应用实际产品上还面临很多困难。
有鉴于此,当前亟需一种实用的且具有较高发光性能的反射显示方案
发明内容
本发明目的是提供一种全新的反射显示方案,不仅能够提高显示面板的透光率,且方案易于实现,具有较高的实用性。
为实现上述目的,一方面,本发明的实施例提供一种显示面板,包括:
对盒设置的第一基板和第二基板;
形成在所述第一基板朝向所述第二基板一侧的反光图形;
形成在所述第一基板和所述第二基板之间的光传导介质,用于将所述显示面板的入射光线传导至所述反光图形,从而使得该入射光线被反光图形反射形成反射光线,所述反射光线经所述光传导介质传导,出射所述显示面板。
进一步地,所述光传导介质为多个,每一光传导介质的一端固定在所述第二基板的显示区域内,另一端固定在所述第一基板的反光图形上。
进一步地,所述反光图形为导电反光图形,所述反光图形的反射率随施加在所述反光图形上的电压大小变化而变化。
进一步地,所述第一基板还设置有数据线、栅线和薄膜晶体管;
所述数据线与所述薄膜晶体管的输入端连接,用于加载数据信号;
所述栅线与所述薄膜晶体管的控制端连接,用于加载扫描信号;
所述反光图形与所述薄膜晶体管的输出端连接。
进一步地,所述反光图形、数据线、栅线和薄膜晶体管为多个,且所述薄膜晶体管与所述反光图形一一对应;
其中,每一数据线与至少一个薄膜晶体管的输入端连接,每一栅线与至少一个薄膜晶体管的控制端连接,每一反光图形与其对应的薄膜晶体管的输出端连接。
进一步地,所述反光图形由二氧化钒、氧化钨、氧化镍、导电聚乙烯中的至少一种材料形成。
进一步地,所述光传导介质为光导纤维。
进一步地,所述光导纤维包括:
纤芯、包裹所述纤芯的包层,其中所述包层的折射率低于所述纤芯。
进一步地,所述光导纤维还包括:
所述包层外侧的涂覆层。
进一步地,所述光导纤维的直径不大于15um。
另一方面,本发明还提供一种显示装置,包括上述显示面板。
本发明的上述方案具有如下有益效果:
本发明在显示面板盒间设置光传导介质,使得入射光线以较小的传输损耗达到反光图形实现反射出光,不仅具有较高的出光量,且结构较为简单,更易于实施,具有很高的实用性。
附图说明
图1为本发明的显示面板的结构示意图;
图2为本发明的显示面板为柔性显示面板时,处于弯曲状态的结构示意图;
图3为本发明的显示面板中的光传导介质的结构示意图;
图4和图5为本发明的显示面板上反光图形的电压驱动结构图;
图6和图7分别为本发明的显示面板的彩色滤光片的设置示意图。
具体实施方式
为使本发明要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
针对现有技术中所存在的问题,本发明提供一种新型反射显示的技术方案。
一方面,本发明的实施例提供一种显示面板,如图1所示,包括:
对盒设置的第一基板1和第二基板2;
形成在第一基板1朝向第二基板2一侧的反光图形11;
形成在第一基板和第二基板之间的光传导介质3,用于将显示面板的入射光线传导至反光图形11,从而使得该入射光线被反光图形11反射形成反射光线,反射光线经光传导介质3,出射显示面板。
本发明的实施例在显示面板的两个基板之间设置光传导介质,使得显示面板的入射光线通过光传导介质到达反光图形得到反射,并在此经过光传导介质出射显示面板从而显示画面。相比于传统的液晶反射显示面板,光传导介质相比液晶层对光线的损耗更小,从而提高显示面板的透光率。另一方面,相比于电泳反射显示面板,本发明的显示面板结构更加简单,且易于实现,因此具有很高的实用性。
进一步参考图1,本实施例的光传导介质3为多个,每一光传导介质3的一端固定在所述第二基板2的显示区域内,另一端固定在第一基板1的反光图形11上,从而使得入射光线直接从光传导介质3到达反光图形11进行反射,并使反光图形从显示区域出射以显示画面。
在实际应用中,本实施例的光传导介质可以是光导纤维,光导纤维是柔性材料,因此本实施例的反射方案也可以适用于柔性显示面板。参考图2,光导纤维3可以随着显示面板的第一基板1和第二基板2一起弯折。由于光线只会在光导纤维3的内部进行传导,因此不管怎么弯曲,入射光线最终还是能够达到反光图形11进行发射,并通过光导纤维3从第二基板2的显示区域出射,实现正常的显示。
在实际应用中,本实施例的光导纤维的直径不大于15um,具体结构如图2所示,包括:
纤芯31、包裹所述纤芯31的包层32。其中,为了降低光传输损耗,纤芯31的折射率要大于包层32,包层32可为光线提供保护和支撑。
此外,作为优选方案,本实施例的可以在包层32外侧进一步设置的涂覆层33,该涂覆层33可进一步避免纤芯31中光线从内部向外部漏出,从而降低光线的损耗。
此外,本实施例的反光图形可以进一步为导电反光图形(可以是二氧化钒、氧化钨、氧化镍、导电聚乙烯中的至少一种材料形成),该反光图形的反射率随施加在其上的电压大小变化而变化。
如图4所示,本实施例的第一基板还设置有数据线41、栅线42和薄膜晶体管43。数据线41与薄膜晶体管43的输入端连接,用于加载数据信号;栅线42与薄膜晶体管43的控制端连接,用于加载扫描信号。反光图形11与薄膜晶体管43的输出端连接。
其中,上述数据信号用于向反光图形11施加电压,在扫描信号控制下,薄膜晶体管43开启,数据信号达到反光图形11,改变反光图形11的反射率。
通过上述方案可以知道,本实施例通过合理控制数据信号的电压大小以及扫描信号的驱动时隙,从而能够有目的地调节显示面板出射光量,在显示画面上实现了亮度可调。
在实际应用中,本实施例的第一基板上的反光图形、数据线、栅线和薄膜晶体管为多个。作为示例性介绍,如图5所示,其中反光图形11呈矩阵分布,并与薄膜晶体管43一一对应;每一数据线41与至少一个薄膜晶体管43的输入端连接,每一栅线42与至少一个薄膜晶体管43的控制端连接,每一反光图形11与其对应的薄膜晶体管43的输出端连接。
此外,本实施例的显示面板还可以包括有实现彩色显示的彩色滤光片,反光图形11形成的反射光线进一步经过彩色滤光片后从显示面板出射。
作为示例性介绍,如图6所示,本实施例的彩色滤光片4可以设置在第一基板1的反光图形11上方,即光传导介质3通过彩色滤光片4与反光图形相隔;或者如7所示那样,直接设置在第二基板2上。
这里需要给予说明的是,本发明的彩色滤光片并不仅限于图6和图7所示的位置,但凡是反射光线经过彩色滤光片后从显示面板出射的方案,都应属于本发明的保护范围。
另一方面,本发明还提供一种包括有上述显示面板的显示装置,基于该显示面板的设计,本实施例显示装置结构简单,具有较低的制作成本。
进一步地,本发明的显示装置可以采用柔性显示面板,且不管柔性显示面板被如何弯曲,都不会对影响光线从显示区域出光,因此本发明的显示装置的显示画面更加稳定,使现有产品所无法达到的。
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,在不脱离本发明所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (9)

1.一种显示面板,其特征在于,包括:
对盒设置的第一基板和第二基板;
形成在所述第一基板朝向所述第二基板一侧的多个反光图形;
形成在所述第一基板和所述第二基板之间的光传导介质,用于将所述显示面板的入射光线传导至所述反光图形,从而使得该入射光线被反光图形反射形成反射光线,所述反射光线经所述光传导介质传导,出射所述显示面板;所述光传导介质包括多个光导纤维,所述光导纤维与所述反光图形对应设置;
所述光传导介质为多个,每一光传导介质的一端固定在所述第二基板的显示区域内,另一端固定在所述第一基板的反光图形上。
2.根据权利要求1所述的显示面板,其特征在于,所述反光图形为导电反光图形,所述反光图形的反射率随施加在所述反光图形上的电压大小变化而变化。
3.根据权利要求1所述的显示面板,其特征在于,
所述第一基板还设置有数据线、栅线和薄膜晶体管;
所述数据线与所述薄膜晶体管的输入端连接,用于加载数据信号;
所述栅线与所述薄膜晶体管的控制端连接,用于加载扫描信号;
所述反光图形与所述薄膜晶体管的输出端连接。
4.根据权利要求3所述的显示面板,其特征在于,
所述反光图形、数据线、栅线和薄膜晶体管为多个,且所述薄膜晶体管与所述反光图形一一对应;
其中,每一数据线与至少一个薄膜晶体管的输入端连接,每一栅线与至少一个薄膜晶体管的控制端连接,每一反光图形与其对应的薄膜晶体管的输出端连接。
5.根据权利要求3所述的显示面板,其特征在于,
所述反光图形由二氧化钒、氧化钨、氧化镍、导电聚乙烯中的至少一种材料形成。
6.根据权利要求1所述的显示面板,其特征在于,
所述光导纤维包括:
纤芯、包裹所述纤芯的包层,其中所述包层的折射率低于所述纤芯。
7.根据权利要求6所述的显示面板,其特征在于,
所述光导纤维还包括:
所述包层外侧的涂覆层。
8.根据权利要求1所述的显示面板,其特征在于,
所述光导纤维的直径不大于15um。
9.一种显示装置,其特征在于,包括如权利要求1-8任一项所述的显示面板。
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