WO2020125415A1 - 显示面板和显示装置 - Google Patents

显示面板和显示装置 Download PDF

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Publication number
WO2020125415A1
WO2020125415A1 PCT/CN2019/122987 CN2019122987W WO2020125415A1 WO 2020125415 A1 WO2020125415 A1 WO 2020125415A1 CN 2019122987 W CN2019122987 W CN 2019122987W WO 2020125415 A1 WO2020125415 A1 WO 2020125415A1
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WO
WIPO (PCT)
Prior art keywords
color filter
display panel
virtual color
adjacent
pitch
Prior art date
Application number
PCT/CN2019/122987
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English (en)
French (fr)
Inventor
黄北洲
Original Assignee
惠科股份有限公司
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Publication date
Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US17/413,528 priority Critical patent/US11456339B2/en
Publication of WO2020125415A1 publication Critical patent/WO2020125415A1/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
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136209Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
    • H10K59/88Dummy elements, i.e. elements having non-functional features
    • 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
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133512Light shielding layers, e.g. black matrix
    • 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
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • 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
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136286Wiring, e.g. gate line, drain line
    • 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
    • G09G3/22Control 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 using controlled light sources
    • G09G3/30Control 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 using controlled light sources using electroluminescent panels
    • G09G3/32Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266Details of drivers for scan electrodes
    • 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
    • G09G3/22Control 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 using controlled light sources
    • G09G3/30Control 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 using controlled light sources using electroluminescent panels
    • G09G3/32Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275Details of drivers for data electrodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30Devices specially adapted for multicolour light emission
    • H10K59/38Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
    • 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
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136222Colour filters incorporated in the active matrix substrate

Definitions

  • the present application also discloses a display device including a display panel and a driving circuit, the driving circuit outputs a driving signal to the display panel, the display panel includes: a plurality of scanning lines; a plurality of data lines, and the scanning The lines are arranged vertically; the color filter is formed in the display area of the display panel; and the virtual color filter is formed in the non-display area of the display panel, and the height of the virtual color filter is greater than the color filter Light plate height; wherein, the virtual color filter includes a first virtual color filter and a second virtual color filter, the non-display area includes a first side and a second side, the first The virtual color filter is located on the first side and is arranged perpendicular to the scanning line; the second virtual color filter is located on the second side and is arranged perpendicular to the data line; the first The virtual color filter is provided with an opening.
  • FIG. 3 is a schematic diagram of a display panel according to an embodiment of the application.
  • FIG. 7 is a schematic diagram of a display panel according to an embodiment of the application.
  • FIG. 10 is a schematic diagram of a display device according to another embodiment of the present application.
  • first and second are used only for descriptive purposes and cannot be understood as indicating relative importance, or implicitly indicating the number of technical features indicated.
  • the features defined as “first” and “second” may expressly or implicitly include one or more of the features; “multiple” means two or more.
  • the term “comprising” and any variations thereof are meant to be non-exclusive and one or more other features, integers, steps, operations, units, components, and/or combinations thereof may be present or added.
  • connection should be understood in a broad sense, such as fixed connection, detachable connection, or integral connection; may be mechanical connection , It can also be an electrical connection; it can be directly connected, indirectly connected through an intermediate medium, or the internal communication between two components.
  • an embodiment of the present application discloses a display panel 100, including a plurality of scan lines 111, and a plurality of data lines 112 disposed perpendicular to the scan lines 111, formed in the display area 110 of the display panel 100
  • the color filter 400 is a virtual color filter 410 formed in the non-display area 113 of the display panel 100.
  • the height of the virtual color filter 410 is greater than the height of the color filter 400.
  • the virtual color filter 410 includes a first virtual color filter 411 and a second virtual color filter 412, and the non-display area 113 includes a first side 120 and a second side 130.
  • the first virtual color The filter 411 is located on the first side 120 of the non-display area 113 and is arranged perpendicular to the scanning line 111; the second virtual color filter 412 is located on the second side 130 of the non-display area 113 and is arranged perpendicular to the data line 112;
  • the first virtual color filter 411 is provided with an opening 413.
  • the display panel 100 includes a plurality of color filters 400 (Red, Green, Blue, RGB), and each color filter 400 includes a plurality of red sub-filters, green sub-filters, and blue sub-filters.
  • the color filter 400 is located in the display area 110 of the display panel 100, and the periphery of the corresponding display area 110 is composed of a dummy color filter 410 (dummy RGB).
  • the dummy color filter 410 protects the periphery of the color filter 400 from damage. If the virtual color filter 410 is not added, the color resistance of the color filter 400 will be uneven and the display quality will be affected.
  • the virtual color filter 410 is located above the light shielding layer, and the overall height is higher than the color filter 400 of the display area 110.
  • the first virtual color filter 410 is not processed, when PI (polyimide) liquid is applied, PI reflow will occur in the direction of the scanning line 111 of the display area 110, forming a PI reflow area, and In the vertical direction of the scanning line, there will be no reflow due to the presence of grooves. PI reflow will cause white around the display area, affecting the display quality.
  • PI polyimide
  • Fig. 4 is a schematic cross-sectional view of Fig. 3 along the A-A' direction.
  • the display panel includes a substrate 200, a black matrix 302 and a light-shielding layer 301.
  • the black matrix 302 and the light-shielding layer 301 are formed on the substrate 200.
  • the black matrix 302 and the light-shielding layer 301 are made of the same material; the black matrix 302 is located in the display area
  • the light-shielding layer 301 is located in the non-display area, the virtual color filter 410 is formed on the light-shielding layer 301, and the color filter 400 is formed between the black matrix 302.
  • the opening 413 is located between two adjacent scanning lines 111.
  • the opening 413 of the first virtual color filter 411 is located between two adjacent scanning lines 111.
  • This design is conducive to the operation of the staff, and at the same time, the PI liquid diffuses along the scanning line 111 during diffusion, which facilitates the PI liquid to proceed. Diffusion, avoiding PI backflow.
  • the pitch of the openings 413 is equal to the pitch of two adjacent scan lines 111.
  • the length of the opening 413 is consistent with the distance between two adjacent scanning lines 111, which ensures PI diffusion, maximizes the distance between the openings 413, and accelerates the diffusion of PI.
  • the interval between the openings 413 can be relatively reduced and set to one-half the interval between the two adjacent scanning lines 111, so it is reasonable to control the diffusion rate of the PI liquid and make the PI liquid uniform ⁇ 110 ⁇ The display area 110.
  • the pitch of the openings can be further increased, and the pitch of the openings is set to the pitch of the adjacent three scanning lines 111.
  • the increased openings are beneficial to the rapid coating of the PI liquid, while preventing the backflow effect more obvious.
  • the size of the opening 413 is not limited to the above methods, and can be designed according to its own needs.
  • the present application provides a method for designing openings 413.
  • the distance between adjacent openings 413 is still equal to the distance between scanning lines 111. If the opening of the first virtual color filter 411 corresponding to the scan line 111 of the current row has an opening 413, the opening of the first virtual color filter 411 corresponding to the scan line 111 of the next row does not exist, and the design is performed sequentially. If the first virtual color filter 411 corresponding to the scan line 111 of the current line does not have an opening 413, the first virtual color filter 411 corresponding to the scan line 111 of the next line has an opening 413 to ensure that the adjacent scan line 111 corresponds to The state of the opening 413 of the first virtual color filter 411 is different. This design can maximize the number of openings 413, ensure that PI can quickly diffuse, and avoid the problem of PI reflow.
  • the spacing between two adjacent openings 413 is equal to the spacing between three adjacent scanning lines 411.
  • the distance between two adjacent openings 413 is increased so that the distance between the two openings 413 is equal to the distance between the three scanning lines 111, and the length ratio between the distance between the opening 413 and the non-opening distance is 1: 2. Disperse the position of the opening 413 to accelerate the diffusion of the PI liquid in the display panel 100.
  • the opening arrangement method is not limited to the above two methods.
  • the spacing between two adjacent openings 413 is equal to the spacing between four adjacent scanning lines 111.
  • the length ratio of the distance between the opening 413 and the non-opening distance is 1:3. The diffusion of the display panel 100.
  • openings 413 there is also an alternative design of openings 413, the spacing between two adjacent openings 413 is equal to the spacing between five adjacent scanning lines 111. The distance between two adjacent openings is increased so that the distance between the two openings 413 is equal to the distance between the three scanning lines 111, the length ratio of the distance between the opening 413 and the non-opening distance is 1: 4, and the positions of the openings 413 are dispersed.
  • a display panel 100 that includes a plurality of scan lines 111, and a plurality of data lines 112 that are perpendicular to the scan lines 111 and formed on the display panel 100.
  • the color filter 400 of the display area 110 is a virtual color filter 410 formed in the non-display area 113 of the display panel 100.
  • the height of the virtual color filter 410 is greater than the height of the color filter 400.
  • the PI liquid is diffused along the scan line when it is diffused, which is convenient for the PI liquid to diffuse.
  • the length of the opening 413 is the same as the distance between the two adjacent scan lines 111.
  • the pitch of the opening 413 is maximized.
  • the present application provides a specific opening design, setting the distance between adjacent openings 413 and the distance between scanning lines 111 to be equal. If the opening 413 of the first virtual color filter 411 corresponding to the scan line 111 of the current row, the first virtual color filter 411 corresponding to the scan line 111 of the next row does not have the opening 413, and the design is performed sequentially.
  • the first virtual color filter 411 corresponding to the scan line 111 of the current line does not have an opening 413
  • the first virtual color filter 411 corresponding to the scan line 111 of the next line has an opening 413 to ensure that the adjacent scan line 111 corresponds to The state of the opening 413 of the first virtual color filter 411 is different.
  • Such a design can maximize the number of openings 413, ensure that PI can quickly diffuse, avoid the problem of PI reflow, and improve the display quality of the display panel 100.
  • FIG. 10 another embodiment of the present application discloses a display device 600, which includes any display panel 100 and a driving circuit 700 as described above, and the driving circuit 700 described herein outputs a driving signal to the display panel 100 .
  • the technical solution of the present application can be widely used in various display panels, such as TN-type display panel (full name TwistedNematic, namely twisted nematic panel), IPS-type display panel (In-Plane Switching), VA-type display panel (Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology), of course, it can also be other types of display panels, such as organic light emitting display panel (organic light emitting diode, OLED display panel for short), which can be applied to the above solutions.
  • TN-type display panel full name TwistedNematic, namely twisted nematic panel
  • IPS-type display panel In-Plane Switching
  • VA-type display panel Multi-domain Vertica Alignment, multi-quadrant vertical alignment technology
  • organic light emitting display panel organic light emitting diode, OLED display panel for short

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本申请公开了一种显示面板(100)和显示装置(600),显示面板(100)包括:多条扫描线(111)和多条数据线(112);形成于显示区(110)的彩色滤光片(400)和形成于非显示区(113)的虚拟彩色滤光片(410);虚拟滤光片(410)包括第一虚拟彩色滤光片(411)和第二虚拟彩色滤光片(412),第一虚拟彩色滤光片(411)位于非显示区(110)的第一侧边(120),与扫描线垂直(111)设置;第一虚拟彩色滤光片(411)设有开口。

Description

显示面板和显示装置
本申请要求于2018年12月17日提交中国专利局,申请号为CN201811542973.2,申请名称为“一种显示面板和显示装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板和显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息,而不必然地构成现有技术。
随着科技的发展和进步,平板显示器由于具备机身薄、省电和辐射低等热点而成为显示器的主流产品,得到了广泛应用。平板显示器包括显示面板,显示面板中增加虚拟彩色滤光片来保护显示区的滤光片,防止最***的色阻会存在薄厚不均的问题,影响显示质量。
虚拟彩色滤光片会影响PI(polyimide,聚亚酰胺)液的扩散,造成PI回流。
发明内容
本申请提供一种显示面板和显示装置,不影响PI液的扩散。
本申请公开了一种显示面板,包括:多条扫描线;多条数据线,与所述扫描线垂直设置;彩色滤光片,形成于所述显示面板的显示区;虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有开口。
本申请还公开了一种显示面板,包括:多条扫描线;多条数据线,与所述扫描线垂直设置;彩色滤光片,形成于所述显示面板的显示区;虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有至少两个开口;所述开口位于相邻两条所述扫描线之间,所述开口的间距等于相邻两条所述扫描线 的间距,相邻两个所述开口的间距等于相邻两条所述扫描线的间距。
本申请还公开了一种显示装置,包括显示面板以及驱动电路,所述驱动电路输出驱动信号至所述显示面板,所述显示面板包括:多条扫描线;多条数据线,与所述扫描线垂直设置;彩色滤光片,形成于所述显示面板的显示区;以及虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有开口。
相对于在虚拟彩色滤光片不增加开口的方案来说,本申请过在显示区扫描线方向上对第一虚拟彩色滤光片进行开口,保证显示区PI顺利排出,不会存在PI回流现象,提高了显示面板的显示质量。
附图说明
图1是本申请的一实施例的一种显示面板的示意图;
图2是本申请的一实施例的一种显示面板的显示区和非显示区示意图;
图3是本申请的一实施例的一种显示面板的示意图;
图4是本申请的一实施例的显示面板A-A’处横切面示意图;
图5是本申请的一实施例的显示面板A-A’处横切面存在PI回流的示意图;
图6是本申请的一实施例的显示面板开口B-B’处横切面的示意图;
图7是本申请的一实施例的一种显示面板的示意图;
图8是本申请的另一实施例的一种替换开口的显示面板的示意图;
图9是本申请的另一实施例的一种替换开口的显示面板的示意图;
图10是本申请的另一实施例的一种显示装置的示意图。
具体实施方式
需要理解的是,这里所使用的术语、公开的具体结构和功能细节,仅仅是为了描述具体实施例,是代表性的,但是本申请可以通过许多替换形式来具体实现,不应被解释成仅受限于这里所阐述的实施例。
在本申请的描述中,术语“第一”、“第二”仅用于描述目的,而不能理解为指示相对重要性,或者隐含指明所指示的技术特征的数量。由此,除非另有说明,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征;“多个”的含义是两个或两个以上。术语“包括”及其任何变形,意为不排他的包含,可能存在或添加一个或更多其他特 征、整数、步骤、操作、单元、组件和/或其组合。
另外,“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系的术语,是基于附图所示的方位或相对位置关系描述的,仅是为了便于描述本申请的简化描述,而不是指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
此外,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,或是两个元件内部的连通。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
下面参考附图和可选的实施例对本申请作进一步说明。
如图1所示的示例性的显示面板100整体结构示意图,简单示意虚拟彩色滤光片410在显示面板100中的位置。
如图2和3所示,本申请实施例公开了一种显示面板100,包括多条扫描线111,与扫描线111垂直设置的多条数据线112,形成于显示面板100的显示区110的彩色滤光片400,形成于显示面板100的非显示区113的虚拟彩色滤光片410,虚拟彩色滤光片410高度大于彩色滤光片400高度。
其中,虚拟彩色滤光片410包括第一虚拟彩色滤光片411和第二虚拟彩色滤光片412,所述非显示区113包括第一侧边120和第二侧边130,第一虚拟彩色滤光片411位于非显示区113的第一侧边120,与扫描线111垂直设置;第二虚拟彩色滤光片412位于非显示区113的第二侧边130,与数据线112垂直设置;第一虚拟彩色滤光片411设有开口413。
显示面板100中包括多个彩色滤光片400(Red Green Blue,RGB),每个彩色滤光片400包括多个红色子滤光片、绿色子滤光片和蓝色子滤光片。彩色滤光片400位于显示面板100的显示区110,与之对应的显示区110***由虚拟彩色滤光片410(dummy RGB)组成,虚拟彩色滤光片410保护彩色滤光片400***不受损伤。如果不增加虚拟彩色滤光片410,会导致彩色滤光片400色阻会出现薄厚不均的问题,影响显示质量。虚拟彩色滤光片410位于遮光层的上方,整体高度高于显示区110的彩色滤光片400。第一虚拟滤彩色滤光片410如果不进行处理,在进行涂布PI(polyimide,聚亚酰胺)液时,在显示区110的扫描线111方向上会出现PI回流,形成PI回流区,与扫描线垂直的方向由于存在沟槽不会出现回流。PI回流会导致显示区周围发白,影响显示质量。本申请通过在显示区110的扫描线11方向上对第一虚拟彩色滤光片411进行开口,保证显示区PI顺利排出,不会存在PI回流现象,提高了显示面板100的显示质量。
图4为图3沿A-A’方向的剖面示意图。显示面板包括衬底200、黑矩阵302和遮光层 301,黑矩阵302和遮光层301形成于衬底200上,黑矩阵302和遮光层301采用相同的材质制成;黑矩阵302位于显示区内;所述遮光层301位于非显示区内,虚拟彩色滤光片410形成于遮光层301上,彩色滤光片400形成于所述黑矩阵302之间。
图5也是图3沿A-A’方向的剖面示意图,图5示意的区域在涂布PI配向液时形成PI回流区500。虚拟彩色滤光片410的设计为了保护显示区110***的彩色滤光片400,将虚拟彩色滤光片410设计在遮光层301上方,显示区110遮光层301形成的透光区与彩色滤光片400相间设计。在彩色滤光片400和虚拟彩色滤光片410高度相等的情况下,由于虚拟彩色滤光片410设置在遮光层301上,因此高度要超过彩色滤光片400,当涂布PI配向液的时候,会被虚拟彩色滤光片410阻挡造成回流。
图6为图3沿B-B’部分的剖面示意图。在非显示区的遮光层301上去除虚拟彩色滤光片,形成开口。由于开口的存在,PI配向液就可以从开口处流出,不会造成回流。
在一实施例中,如图7、图8和图9所示,跟上述实施方式的区别在于,开口413位于相邻两条扫描线111之间。第一虚拟彩色滤光片411的开口413位于相邻两条扫描线111之间,这样的设计有利于工作人员进行操作,同时PI液进行扩散时沿着扫描线111进行扩散,方便PI液进行扩散,避免了PI回流。
在一实施例中,开口413的间距等于相邻两条扫描线111的间距。开口413的长度与相邻两条扫描线111的间距一致,保证了PI扩散,最大化的增加开口413的间距,加速PI的扩散。如果显示面板100的尺寸相对较小,可以把开口413的间距相对减少,设置为相邻的两条扫描线111间距的二分之一,这样有理由控制PI液的扩散速度,使PI液均匀涂布显示区110。如果显示面板100的尺寸相对较大,也可以进一步将开口的间距增大,设置开口的间距为相邻三条扫描线111的间距,开口增大有利于PI液的快速涂布,同时防回流效果更加明显。当然,开口413的尺寸并不局限于上述几种方式,可以根据自身需求进行设计。
在一实施例中,开口413至少有两个;相邻两个开口413的间距等于相邻两条扫描线111的间距(如图7所示)。更具体的,开口413位于奇数行扫描线111及其下一条扫描线111之间,此时开口413位置也正对应显示区110的四个边角的位置,边角的位置由于地理位置的原因导致PI回流较为严重,此处设置开口413,防回流的效果更好。当然,开口413也可以位于偶数行扫描线111及其下一条扫描线111之间。
当然,开口的间距还可以选择其他尺寸,如等于相邻两条所述扫描线的间距二分之一,或者等于相邻三条、五条或更多条的扫描线的间距。
本申请提供了一种开口413的设计方法,相邻开口413之间的距离还是与扫描线111之间的距离相等。如果当前行扫描线111对应的第一虚拟彩色滤光片411开口413,则下一行扫描线111对应的第一虚拟彩色滤光片411不存在开口413,依次进行设计。如果当前行扫 描线111对应的第一虚拟彩色滤光片411不存在开口413,则下一行扫描线111对应的第一虚拟彩色滤光片411存在开口413,保证相邻的扫描线111对应的第一虚拟彩色滤光片411开口413状态不一样。这样的设计可以最大化的增加开口413数量,保证PI可以快速扩散,避免了PI回流的问题。
如图8所示,在一实施例中,相邻两个开口413的间距等于相邻三条扫描线411的间距。作为另一种可替换的开口413设计,增大两个相邻开口413的间距,使两个开口413间距等于三条扫描线111的间距,开口413的距离和不开口距离的长度比为1:2,分散开口413位置,加速PI液在显示面板100的扩散。
如图9所示,开口设置方式不局限于上述两种方式,作为另一种可替换的开口413设计,相邻两个开口413的间距等于相邻四条扫描线111的间距。增大两个相邻开口413的间距,使两个开口413间距等于四条扫描线111的间距,开口413的距离和不开口距离的长度比为1:3,分散开口413位置,加速PI液在显示面板100的扩散。
同样的还有一种可替换的开口413设计,相邻两个开口413的间距等于相邻五条扫描线111的间距。相邻两个开口间的距离增大,使两个开口413间距等于三条扫描线111的间距,开口413的距离和不开口距离的长度比为1:4,分散开口413位置。
如图2和7所示,作为本申请的另一实施例,公开了一种显示面板100包括多条扫描线111,与扫描线111垂直设置的多条数据线112,形成于显示面板100的显示区110的彩色滤光片400,形成于显示面板100的非显示区113的虚拟彩色滤光片410,虚拟彩色滤光片410高度大于彩色滤光片400高度。
其中,虚拟彩色滤光片410包括第一虚拟彩色滤光片411和第二虚拟彩色滤光片412,所述非显示区113包括第一侧边120和第二侧边130,第一虚拟彩色滤光片411位于非显示区113的第一侧边120,与扫描线111垂直设置;第二虚拟彩色滤光片412位于非显示区113的第二侧边130,与数据线112垂直设置;第一虚拟彩色滤光片411设有至少两个开口413;开口413位于相邻两条扫描线111之间,开口413的间距等于相邻两条扫描线111的间距,相邻两个开口413的间距等于相邻两条扫描线111的间距。
彩色滤光片400位于显示面板100的显示区110,与之对应的显示区110***由虚拟彩色滤光片410(dummy RGB)组成,虚拟彩色滤光片410保护彩色滤光片400***不受损伤。如果不增加虚拟彩色滤光片410,会导致彩色滤光片400色阻会出现薄厚不均的问题,影响显示质量。虚拟彩色滤光片410位于遮光层301的上方,整体高度高于显示区110的彩色滤光片400。第一虚拟滤彩色滤光片411如果不进行处理,在进行涂布PI(polyimide,聚亚酰胺)液时,在显示区110的扫描线111方向上会出现PI回流,与扫描线111垂直的方向由于存在沟槽不会出现回流。PI回流会导致显示区110周围发白,影响显示质量。本申请在 显示区110的扫描线111方向上对第一虚拟彩色滤光片411进行开口,增加开口数量至少两个,第一虚拟彩色滤光片411的开口413位于相邻两条扫描线111之间,这样的设计有利于工作人员进行操作,同时PI液进行扩散时沿着扫描线进行扩散,方便PI液进行扩散,同时开口413的长度与相邻两条扫描线111的间距一致,保证了PI扩散,最大化的增加开口413的间距。本申请提供了一种具体的开口设计,将相邻开口413之间的距离与扫描线111之间的距离设置为相等。如果当前行扫描线111对应的第一虚拟彩色滤光片411的开口413,则下一行扫描线111对应的第一虚拟彩色滤光片411不存在开口413,依次进行设计。如果当前行扫描线111对应的第一虚拟彩色滤光片411不存在开口413,则下一行扫描线111对应的第一虚拟彩色滤光片411存在开口413,保证相邻的扫描线111对应的第一虚拟彩色滤光片411的开口413状态不一样。这样的设计可以最大化的增加开口413数量,保证PI可以快速扩散,避免了PI回流的问题,提高了显示面板100的显示质量。
如图10所示,本申请的另一实施例,公开了一种显示装置600,包括如上所述的***示面板100和驱动电路700,所诉驱动电路700输出驱动信号至所述显示面板100。
本申请的技术方案可以广泛用于各种显示面板,如TN型显示面板(全称为TwistedNematic,即扭曲向列型面板)、IPS型显示面板(In-Plane Switching,平面转换)、VA型显示面板(Multi-domain Vertica Alignment,多象限垂直配向技术),当然,也可以是其他类型的显示面板,如有机发光显示面板(organic light emitting diode,简称OLED显示面板),均可适用上述方案。
以上内容是结合具体的可选实施方式对本申请所作的进一步详细说明,不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本申请的保护范围。

Claims (17)

  1. 一种显示面板,包括:
    多条扫描线;
    多条数据线,与所述扫描线垂直设置;
    彩色滤光片,形成于所述显示面板的显示区;以及
    虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;
    其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有开口。
  2. 如权利要求1所述的一种显示面板,其中,所述开口位于相邻两条所述扫描线之间。
  3. 如权利要求1所述的一种显示面板,其中,所述开口的间距等于相邻两条所述扫描线的间距。
  4. 如权利要求1所述的一种显示面板,其中,所述开口的间距的等于相邻两条所述扫描线间距的二分之一。
  5. 如权利要求1所述的一种显示面板,其中,所述开口的间距等于相邻三条所述扫描线的间距。
  6. 如权利要求1所述的一种显示面板,其中,所述开口至少有两个。
  7. 如权利要求6所述的一种显示面板,其中,相邻两个所述开口的间距等于相邻两条所述扫描线的间距。
  8. 如权利要求2所述的一种显示面板,其中,所述开口位于奇数行所述扫描线及其下一条所述扫描线之间。
  9. 如权利要求2所述的一种显示面板,其中,所述开口位于偶数行所述扫描线及其下一条所述扫描线之间。
  10. 如权利要求6所述的一种显示面板,其中,相邻两个所述开口的间距等于相邻三条所述扫描线的间距。
  11. 如权利要求6所述的一种显示面板,其中,相邻两个所述开口的间距等于相邻四条所述扫描线的间距。
  12. 如权利要求6所述的一种显示面板,其中,相邻两个所述开口的间距等于相邻五条所述扫描线的间距。
  13. 如权利要求1所述的一种显示面板,其中,所述显示面板包括衬底、黑矩阵和遮光层,所述黑矩阵和遮光层形成于所述衬底上,所述黑矩阵和遮光层采用相同的材质制成;所述黑矩阵位于所述显示区内;所述遮光层位于所述非显示区内,所述虚拟彩色滤光片形成于所述遮光层上,所述彩色滤光片形成于所述黑矩阵之间。
  14. 一种显示面板,包括:
    多条扫描线;
    多条数据线,与所述扫描线垂直设置;
    彩色滤光片,形成于所述显示面板的显示区;以及
    虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;
    其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有至少两个开口;所述开口位于相邻两条所述扫描线之间,所述开口的间距等于相邻两条所述扫描线的间距,相邻两个所述开口的间距等于相邻两条所述扫描线的间距。
  15. 一种显示装置,包括显示面板以及驱动电路,所述驱动电路输出驱动信号至所述显示面板,所述显示面板包括:
    多条扫描线;
    多条数据线,与所述扫描线垂直设置;
    彩色滤光片,形成于所述显示面板的显示区;以及
    虚拟彩色滤光片,形成于所述显示面板的非显示区,所述虚拟彩色滤光片高度大于所述彩色滤光片高度;
    其中,所述虚拟彩色滤光片包括第一虚拟彩色滤光片和第二虚拟彩色滤光片,所述非显示区包括第一侧边和第二侧边,所述第一虚拟彩色滤光片位于所述第一侧边,与所述扫描线垂直设置;所述第二虚拟彩色滤光片位于所述第二侧边,与所述数据线垂直设置;所述第一虚拟彩色滤光片设有开口。
  16. 如权利要求15所述的一种显示装置,其中,所述开口位于相邻两条所述扫描线之间,且所述开口的间距等于相邻两条所述扫描线的间距。
  17. 如权利要求16所述的一种显示装置,其中,所述开口至少有两个,相邻两个所述开口的间距等于相邻两条所述扫描线的间距。
PCT/CN2019/122987 2018-12-17 2019-12-04 显示面板和显示装置 WO2020125415A1 (zh)

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