CN106652815A - 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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CN106652815A
CN106652815A CN201611149664.XA CN201611149664A CN106652815A CN 106652815 A CN106652815 A CN 106652815A CN 201611149664 A CN201611149664 A CN 201611149664A CN 106652815 A CN106652815 A CN 106652815A
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electrode
display
emitting diode
display floater
base plate
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CN106652815B (zh
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徐晓玲
王延峰
邱云
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Priority to US15/745,026 priority patent/US10739635B2/en
Priority to PCT/CN2017/092469 priority patent/WO2018107736A1/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
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133526Lenses, e.g. microlenses or Fresnel lenses
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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
    • G02F1/1313Devices 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
    • 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
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • 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
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • 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
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/29Devices 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 position or the direction of light beams, i.e. deflection
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • 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
    • G02F1/29Devices 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 position or the direction of light beams, i.e. deflection
    • G02F1/294Variable focal length devices

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Abstract

本发明提供一种显示面板及显示装置,属于显示技术领域。本发明的显示面板,包括显示基板和设置在显示基板出光面侧的液晶透镜;其中,显示基板包括:第一基底,设置在第一基底上的多个像素单元;每个像素单元均包括无机发光二极管;液晶透镜包括多个透镜单元,透镜单元与像素单元对应设置,用于调节像素单元中的无机发光二极管的出光方向。由于无机发光二极管具有尺寸小、高亮度、高对比度、轻薄、低功耗、高色域、效率高、寿命长、响应快等优点,因此该显示基板具有分辨率高、显示效果佳等效果。同时,由于在本发明的显示基板的出光面侧,还设置有用于调节像素单元中的无机发光二极管的出光方向透镜单元,故该显示面板可以实现不同视角的显示。

Description

显示面板及显示装置
技术领域
本发明属于显示技术领域,具体涉及一种显示面板及显示装置。
背景技术
随着平板显示技术的发展,显示面板的性能要求越来越高。高分辨率、柔性&透明、高亮度、高对比度、轻薄、低功耗、高色域等成为显示面板的发展方向。
目前常用的平板显示装置包括液晶显示装置(Liquid Crystal Display:简称LCD)和OLED(Organic Light-Emitting Diode:有机发光二极管)显示装置。但是,发明人发现LCD显示面板很难制作柔性、高色域的显示面板,并且功耗较高;OLED显示面板很难制作高分辨率、高透过率的显示面板并且发光寿命受限。
无机发光二极管(miro-OLED)由于其具有高透过率、轻薄、低功耗、高色域等优点,随之应运而生了一款无机发光二极管显示面板,但是现有技术中这种显示面板的是不可调的,而对于人们的要求越来越高,因此一款视角可调的无机发光二极管显示面板是亟需要解决的技术问题。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一,提供一种多视角的显示面板及显示装置。
解决本发明技术问题所采用的技术方案是一种显示面板,包括显示基板和设置在所述显示基板出光面侧的液晶透镜;其中,
所述显示基板包括:第一基底,设置在所述第一基底上的多个像素单元;每个所述像素单元均包括无机发光二极管;
所述液晶透镜包括多个透镜单元,所述透镜单元与所述像素单元对应设置,用于调节所述像素单元中的无机发光二极管的出光方向。
优选的是,在所述显示基板与所述液晶透镜之间设置有平坦化层;每个所述透镜单元包括:设置在所述平坦化层背离所述显示基板一侧的第一电极,与所述第一电极相对设置的第二基底,设置所述第二基底靠近所述第一电极一侧的第二电极,以及位于第一电极和第二电极之间的液晶层。
进一步优选的是,所述第一电极为板状电极,所述第二电极为孔状电极。
进一步优选的是,所述第一电极为板状电极,所述第二电极为条状电极。
进一步优选的是,所述第一电极和所述第二电极的材料均为ITO。
进一步优选的是,任意两相邻的第二电极之间设置有黑矩阵。
优选的是,每个所述像素单元还包括薄膜晶体管和驱动电极,所述薄膜晶体管的漏极通过驱动电极与所述无机发光二极管的第一极连接。
进一步优选的是,所述薄膜晶体管包括氧化物薄膜晶体管。
进一步优选的是,所述无机发光二极管包括依次设置在所述第一基底上的第一极、P型重掺杂层、发光层、N型重掺杂层、第二极。解决本发明技术问题所采用的技术方案是一种显示装置,其包括上述的显示面板。
本发明具有如下有益效果:
由于无机发光二极管具有尺寸小、高亮度、高对比度、轻薄、低功耗、高色域、效率高、寿命长、响应快等优点,因此在本发明中将通过转印的方式将无机发光二极管应用至显示基板中,可以使该显示基板具有分辨率高、显示效果佳等效果。而该显示基板作为显示面板中的显示部件,故本发明的显示面板同样具有分辨率高、显示效果佳等效果。同时,由于在本发明的显示基板的出光面侧,还设置有用于调节所述像素单元中的无机发光二极管的出光方向透镜单元,故该显示面板可以实现不同视角的显示。
附图说明
图1为本发明的实施例1的显示面板;
图2为本发明的实施例1的显示面板中的一个像素单元的结构示意图。
其中附图标记为:1、第一基底;2、第二基底;3、平坦化层;10、像素单元;20、透镜单元;11、无机发光二极管;12、薄膜晶体管;21、第一电极;22、第二电极;23、液晶层;111、第一极;112、第二极;113、发光层;114、P型重掺杂层;115、N型重掺杂层。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案,下面结合附图和具体实施方式对本发明作进一步详细描述。
实施例1:
如图1所示,本实施例提供一种显示面板,包括显示基板和设置在显示基板出光面侧的液晶透镜;其中,显示基板包括:第一基底1,设置在第一基底1上的多个像素单元10;每个像素单元10均包括无机发光二极管11;液晶透镜包括多个透镜单元20,透镜单元20与像素单元10对应设置,用于调节像素单元10中的无机发光二极管11的出光方向。
由于无机发光二极管11具有尺寸小、高亮度、高对比度、轻薄、低功耗、高色域、效率高、寿命长、响应快等优点,因此在本实施例中将通过转印的方式将无机发光二极管11应用至显示基板中,可以使该显示基板具有分辨率高、显示效果佳等效果。而该显示基板作为显示面板中的显示部件,故本实施例的显示面板同样具有分辨率高、显示效果佳等效果。同时,由于在本实施例的显示基板的出光面侧,还设置有用于调节所述像素单元10中的无机发光二极管11的出光方向透镜单元20,故该显示面板可以实现不同视角的显示。
其中,无机发光二极管11可以包括红光无机发光二极管R、绿光无机发光二极管G、蓝光无机发光二极管B,当然还可以包括其他颜色的无机发光二极管11,可以根据具体情况具体设置。
具体的,在本实施例的显示面板中,所述显示基板与所述液晶透镜之间设置有平坦化层;每个所述透镜单元20包括:设置在所述平坦化层背离所述显示基板一侧的第一电极21,与所述第一电极21相对设置的第二基底2,设置所述第二基底2靠近所述第一电极21一侧的第二电极22,以及位于第一电极21和第二电极22之间的液晶层23。此时,可以通过调节第一电极21和第二电极22上所施加的电压的大小,以实现液晶层23中的液晶分子不同方向的偏转,从而调整显示基板上无机发光二极管11的出光方向,进而实现显示面板不同视角的显示。
其中,每个透镜单元20中的第一电极21为板状电极,第二电极22为孔状电极。此时给板状电极和孔状电极施加电压后所形成的电场,可以控制该透镜单元20的液晶层23中的液晶分子呈半球形排布,也即形成微透镜的形态,从而可以实现显示基板上无机发光二极管11的出光方向呈现多个角度。
当然,也可是每个透镜单元20中的第一电极21为板状电极,第二电极22为条状电极。只要保证在第一电极21和第二电极22被施加电压后能够使得液晶层23的液晶分子发生偏转即可。
其中,第一电极21和第二电极22的材料均可以采用ITO(氧化铟锡),当然也可以采用其他透明导电材料。
其中,在任意两相邻的第二电极22之间设置有黑矩阵,该黑矩阵能够防止两相邻的第二电极22在电压不同时,产生电场影响下方的液晶层23的偏转,造成无效偏转而影响无机发光二极管11的出光方向。
作为本实施例中一种具体的显示基板结构,其可以包括基底,设置在基底上多条栅线和多条数据线,像素单元10限定在栅线和数据线的交叉位置;每个像素单元10不仅包括无机发光二极管11,还包括:薄膜晶体管12和驱动电极;其中,薄膜晶体管12的漏极通过驱动电极与无机发光二极管11的第一极111连接,无机发光二极管11的第二极112与一电极线连接;薄膜晶体管12的源极与数据线连接,栅极与栅线连接。
具体的,当栅线输入扫描信号时,与该栅线连接的薄膜晶体管12被选通,此时数据线上所加载的数据电压则通过薄膜晶体管12和驱动电极输出至相应的无机发光二极管11的第一极111,相应的通过电极线为该无机发光二极管11的第二极112输入参考电压(参考电压与数据电压的电压值不相等),以驱动无机发光二极管11进行发光。
其中,上述的薄膜晶体管12优选为氧化物薄膜晶体管,当然也可以多晶硅薄膜晶体管、非晶硅薄膜晶体管、单晶硅薄膜晶体管、有机薄膜晶体管中的任意一种。
其中,如图2所示,本实施例中的一个像素单元10的结构示意图,其包括一个薄膜晶体管12和一个无机发光二级光;其中,无机发光二极管11的第一极111通常为阳极,第二极112为阴极,且在第一极111和第二极112之间设置有功能层,通常功能层可以包括由阳极至阴极方向上依次设置的P型重掺杂层114、发光层113、N型重掺杂层115。
实施例2:
本实施例提供一种显示装置,其包括实施例1中的显示面板。因此,该显示装置具有高分辨率、柔性&透明、高亮度、高对比度、轻薄、低功耗、高色域等优点。
其中,显示装置可以为液晶显示装置或者电致发光显示装置,例如液晶面板、电子纸、OLED面板、手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
可以理解的是,以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式,然而本发明并不局限于此。对于本领域内的普通技术人员而言,在不脱离本发明的精神和实质的情况下,可以做出各种变型和改进,这些变型和改进也视为本发明的保护范围。

Claims (10)

1.一种显示面板,其特征在于,包括显示基板和设置在所述显示基板出光面侧的液晶透镜;其中,
所述显示基板包括:第一基底,设置在所述第一基底上的多个像素单元;每个所述像素单元均包括无机发光二极管;
所述液晶透镜包括多个透镜单元,所述透镜单元与所述像素单元对应设置,用于调节所述像素单元中的无机发光二极管的出光方向。
2.根据权利要求1所述的显示面板,其特征在于,在所述显示基板与所述液晶透镜之间设置有平坦化层;每个所述透镜单元包括:设置在所述平坦化层背离所述显示基板一侧的第一电极,与所述第一电极相对设置的第二基底,设置所述第二基底靠近所述第一电极一侧的第二电极,以及位于第一电极和第二电极之间的液晶层。
3.根据权利要求2所述的显示面板,其特征在于,所述第一电极为板状电极,所述第二电极为孔状电极。
4.根据权利要求2所述的显示面板,其特征在于,所述第一电极为板状电极,所述第二电极为条状电极。
5.根据权利要求2所述的显示面板,其特征在于,所述第一电极和所述第二电极的材料均为ITO。
6.根据权利要求2所述的显示面板,其特征在于,任意两相邻的第二电极之间设置有黑矩阵。
7.根据权利要求1所述的显示面板,其特征在于,每个所述像素单元还包括薄膜晶体管和驱动电极,所述薄膜晶体管的漏极通过驱动电极与所述无机发光二极管的第一极连接。
8.根据权利要求7所述的显示面板,其特征在于,所述无机发光二极管包括依次设置在所述第一基底上的第一极、P型重掺杂层、发光层、N型重掺杂层、第二极。
9.根据权利要求7所述的显示面板,其特征在于,所述薄膜晶体管包括氧化物薄膜晶体管。
10.一种显示装置,其特征在于,包括权利要求1-9中任一项所述的显示面板。
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