WO2020113705A1 - 柔性基板及采用该柔性基板的显示面板 - Google Patents

柔性基板及采用该柔性基板的显示面板 Download PDF

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Publication number
WO2020113705A1
WO2020113705A1 PCT/CN2018/123304 CN2018123304W WO2020113705A1 WO 2020113705 A1 WO2020113705 A1 WO 2020113705A1 CN 2018123304 W CN2018123304 W CN 2018123304W WO 2020113705 A1 WO2020113705 A1 WO 2020113705A1
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WO
WIPO (PCT)
Prior art keywords
area
bending
line group
pad line
flexible substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/123304
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English (en)
French (fr)
Inventor
叶剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/344,357 priority Critical patent/US11121331B2/en
Publication of WO2020113705A1 publication Critical patent/WO2020113705A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • 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
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating 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
    • G09F9/301—Indicating 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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the invention relates to the field of display devices, in particular to a flexible substrate and a display panel using the flexible substrate.
  • screen-to-body ratio is the ratio of the screen area to the entire machine area. A higher screen-to-body ratio can bring users a better visual experience. Due to its high screen ratio and good display effect, the full-screen display is increasingly loved by consumers, and it has become an inevitable trend for the future development of electronic devices such as mobile phones.
  • FIG. 1 is a schematic structural diagram of a conventional flexible AMOLED display panel.
  • the AMOLED display panel includes a display area A and a non-display area B, and the non-display area B constitutes a border of the display area A.
  • the non-display area B forms a border.
  • the pad line (Fanout trace) 10 is provided in the non-display area B, for example, the pad line 10 is provided in the lower frame.
  • the pad line 10 is usually formed at the end of the power line, scan line, and data line 11 of the AMOLED display panel.
  • the power supply line, the scanning line, and the data line 11 are connected to the drive circuit unit 13 through the pad line 10, wherein the power supply line includes but is not limited to a VDD (power supply voltage signal) signal line 12 and a VSS (constant voltage low-level source signal )Signal line 14.
  • VDD power supply voltage signal
  • VSS constant voltage low-level source signal
  • the pad line 10 is located in the non-display area B, that is, within the frame of the AMOLED display panel, the larger the area occupied by the pad line 10, the larger the frame of the AMOLED display panel.
  • the screen ratio decreases.
  • the area of the display area decreases when the overall size of the mobile phone is fixed.
  • the flexible AMOLED display panel generally adopts a pad-bending process to bend the area where the pad line 10 located in the non-display area B is located to the back of the AMOLED display panel.
  • the The pad line 10 is connected to the driving circuit unit 13, thereby reducing the size of the display frame.
  • the bending process of the flexible AMOLED display panel is one-step bending (Pad-Bending), and the pad line 10 converges into a whole line at the lower border of the mobile phone to the middle area, and then bends to the flexible AMOLED Although the back of the display panel can reduce the width of the frame of the flexible AMOLED display panel, it cannot meet the current demand.
  • the technical problem to be solved by the present invention is to provide a flexible substrate and a display panel using the flexible substrate, which can reduce the frame width of the display panel and increase the screen ratio.
  • the present invention provides a flexible substrate, which includes: a display area; a first bending area, a second bending area and a third bending area which are independent of each other, and the first The bending area, the second bending area and the third bending area can be bent to a back surface of the flexible substrate, the first bending area, the second bending area and the first Three bending areas are provided on a first edge of the display area, the first bending area and the third bending area are located on both sides of the second bending area, respectively, and the first bending An acute angle between the area and the second bending area, an acute angle between the third bending area and the second bending area, and the first edge of the display area is symmetrically arranged Two corner areas and an intermediate area provided between the two corner areas, the first bending area and the third bending area are respectively provided in the corner area, and the second bending area Disposed in the middle region; and a first pad line group, a second pad line group and a third pad line group,
  • the first bending zone and the third bending zone are symmetrically arranged with the second bending zone as a symmetry axis.
  • the first pad line group is connected to a first power line of the display area
  • the second pad line group is connected to a metal trace of the display area
  • the first The three-pad line group is connected to a second power line of the display area.
  • the first pad line group is connected to a first power line and a first metal trace of the display area
  • the second pad line group is connected to a first Two metal traces are connected
  • the third pad line group is connected to a second power line and a third metal trace of the display area.
  • the present invention also provides a flexible substrate, which includes: a display area; a plurality of independent bending areas, which are arranged at the edge of the display area, and the bending area can be bent to A back surface of the flexible substrate; and a plurality of pad line groups, the pad line groups are respectively disposed in the corresponding bending regions, one end of each pad line group is connected to the display area
  • the functional layer is connected by wiring, and the other end is connected to a driving circuit unit.
  • the flexible substrate includes a first bending area, a second bending area and a third bending area, the first bending area, the second bending area and the The third bending area is disposed at a first edge of the display area, the first bending area and the third bending area are located on both sides of the second bending area, respectively, and the first bending The folding area and the second bending area have an acute angle, and the third bending area and the second bending area have an acute angle.
  • the first bending zone and the third bending zone are symmetrically arranged with the second bending zone as a symmetry axis.
  • the first edge of the display area has two corner areas symmetrically arranged and an intermediate area arranged between the two corner areas, the first bending area and the The third bending area is respectively provided in the corner area, and the second bending area is provided in the middle area.
  • the flexible substrate includes a first pad line group, a second pad line group, and a third pad line group, the first pad line group is disposed at the first bend In the folding zone, the second pad line group is disposed in the second bending zone, and the third pad line group is disposed in the third bending zone.
  • the first pad line group is connected to a first power line of the display area
  • the second pad line group is connected to a metal trace of the display area
  • the first The three-pad line group is connected to a second power line of the display area.
  • the first pad line group is connected to a first power line and a first metal trace of the display area
  • the second pad line group is connected to a first Two metal traces are connected
  • the third pad line group is connected to a second power line and a third metal trace of the display area.
  • the present invention also provides a display panel, which includes a flexible substrate according to claim 5 and a display device layer, the display device layer is provided on the flexible substrate, and is provided corresponding to the display area, so The bending area is bent to a side of the flexible substrate facing away from the display device layer.
  • the display device layer includes an organic light-emitting layer and an encapsulation layer, and the organic light-emitting layer is located between the encapsulation layer and the flexible substrate.
  • the display device layer includes a liquid crystal layer and a color film substrate, and the liquid crystal layer is disposed between the color film substrate and the flexible substrate.
  • the flexible substrate includes a first bending area, a second bending area and a third bending area, the first bending area, the second bending area and the The third bending area is disposed at a first edge of the display area, the first bending area and the third bending area are located on both sides of the second bending area, respectively, and the first bending The folding area and the second bending area have an acute angle, and the third bending area and the second bending area have an acute angle.
  • the first bending zone and the third bending zone are symmetrically arranged with the second bending zone as a symmetry axis.
  • the first edge of the display area has two corner areas symmetrically arranged and an intermediate area arranged between the two corner areas, the first bending area and the The third bending area is respectively provided in the corner area, and the second bending area is provided in the middle area.
  • the flexible substrate includes a first pad line group, a second pad line group, and a third pad line group, the first pad line group is disposed at the first bend In the folding zone, the second pad line group is disposed in the second bending zone, and the third pad line group is disposed in the third bending zone.
  • the first pad line group is connected to a first power line of the display area
  • the second pad line group is connected to a metal trace of the display area
  • the first The three-pad line group is connected to a second power line of the display area.
  • the first pad line group is connected to a first power line and a first metal trace of the display area
  • the second pad line group is connected to a first Two metal traces are connected
  • the third pad line group is connected to a second power line and a third metal trace of the display area.
  • the advantage of the present invention is that the pad lines are divided into multiple groups, and each of the pad line groups is connected to a bending zone, that is, a plurality of pad lines are dispersedly arranged on a plurality of independent bending zones, thereby It avoids the situation that all the pad lines mentioned in the prior art converge into a whole line at the lower border to the middle area, greatly reducing the width of the border of the display panel and significantly increasing the screen ratio.
  • FIG. 1 is a schematic structural diagram of an existing flexible AMOLED display panel
  • FIG. 2 is a schematic structural view of the flexible substrate of the present invention without bending
  • FIG. 3 is a schematic structural view of another embodiment of the flexible substrate of the present invention.
  • FIG. 4 is a schematic structural view of an embodiment of a display panel of the present invention.
  • FIG. 5 is a schematic structural diagram of yet another embodiment of the display panel of the present invention.
  • FIG. 2 is a schematic structural diagram of the flexible substrate of the present invention without bending.
  • the flexible substrate 20 of the present invention includes a display area A, a plurality of independent bending areas C and a plurality of pad line groups 21. Wherein, the bending area C is located in the non-display area of the flexible substrate 20.
  • the flexible substrate 20 includes three bending regions C.
  • the three bending regions C are defined as a first bending region C1, a second bending region C2, and a third Bending area C3.
  • the flexible substrate 20 may be a flexible array substrate.
  • the flexible substrate 20 is formed of a flexible substrate (not shown in the drawings) and a plurality of functional layers (not shown in the drawings) provided on the flexible substrate.
  • the flexible substrate includes but is not limited to a substrate such as polyimide.
  • the functional layer may be disposed in the display area A and the bending area according to the requirements of the flexible substrate 20.
  • the functional layer includes but is not limited to a thin film transistor layer.
  • the flexible substrate and the functional layer are conventional structures of the flexible substrate, and will not be described in detail.
  • the bending area C is disposed at the edge of the display area A. Specifically, the bending area C is connected to the edge of the display area A.
  • the bending area C may be disposed on the upper edge, the lower edge, the left edge, or the right edge of the display area A.
  • the bending area C may be disposed at the same edge of the display area A, or at different edges.
  • the first bending area C1, the second bending area C2, and the third bending area C3 are disposed on the same edge of the display area A, as follows.
  • the bending area C can be bent to a back surface of the flexible substrate 20.
  • the back surface refers to the side of the flexible substrate 20 where no functional layer is provided.
  • the bending area C can be bent, and the end of the bending area C can be bent to the back of the display area A of the flexible substrate 20.
  • the bending area C is bent to the back surface of the flexible substrate 20.
  • the advantage is that the width of the non-display area of the flexible substrate 20 is reduced, and the display area A of the flexible substrate 20 is increased.
  • the proportion of the non-display area achieves a high screen-to-body ratio. Since the bending regions C are independent of each other, when bending, the bending regions C will not affect each other.
  • Each of the pad line groups 21 may be composed of at least one pad line.
  • Each pad line group 21 is disposed in a corresponding bending region C. More specifically, one pad line group 21 is disposed in a bending region C. That is, each of the bending regions C is provided with a pad line group 21.
  • the flexible substrate 20 includes three pad line groups 21, which are defined as a first pad line group 21A, a second pad line group 21B, and a third pad line group 21C, respectively.
  • the first pad line group 21A is provided in the first bending region C1
  • the second pad line group 21B is provided in the second bending region C2
  • the third pad line group 21C is provided in The third bending zone C3.
  • each pad line group 21 is connected to the functional layer traces of the display area A, wherein the functional layer traces include but are not limited to power lines and metal traces, the metal traces refer to flexibility The data lines and scan lines of the substrate.
  • the other end of each pad line group 21 is connected to at least one driving circuit unit 22 (shown in FIGS. 4 and 5 ). Specifically, the other ends of the plurality of pad line groups 21 are all connected to the same drive circuit unit 22, or the other ends of the plurality of pad line groups 21 are respectively connected to the plurality of drive circuit units 22 . In this embodiment, the other ends of the plurality of pad line groups 21 are connected to the same driving circuit unit 22.
  • the flexible substrate of the present invention divides the pad lines into a plurality of groups, and each of the pad line groups 21 is connected to a bending zone, that is, a plurality of pad lines are dispersedly arranged on a plurality of bending zones C independent of each other, thereby Avoid the situation where all the pad wires 10 (see Figure 1) mentioned in the prior art converge into a whole trace at the lower border to the middle area, greatly reducing the area occupied by the non-display area and improving the screen ratio .
  • the first bending area C1, the second bending area C2, and the third bending area C3 are disposed on a first edge of the display area A.
  • the first edge is the lower edge of the display area A.
  • the non-display area formed by bending the first bending area C1, the second bending area C2, and the third bending area C3 is The lower frame of the flexible display panel.
  • the first bending zone C1 and the third bending zone C3 are respectively disposed on both sides of the second bending zone C2, the first bending zone C1 and the second bending zone C2 has an acute angle, and the third bending area C3 and the second bending area C2 have an acute angle.
  • the first bending area C1 and the second bending area C2 and the third bending area C3 and the second bending area C2 are not parallel, from the display area A Starting from the first edge, the first bending zone C1, the second bending zone C2 and the third bending zone C3 extend in a divergent trend.
  • the first bending zone C1 and the third bending zone C3 are symmetrically arranged with the second bending zone C2 as a symmetry axis.
  • the first edge of the display area A has two corner areas A1 symmetrically arranged (as shown by the dotted frame in FIG. 2) and one of the two corner areas A1 Between the middle area A2, the first bending area C1 and the third bending area C3 are respectively provided in the corner area A1, and the second bending area C2 is provided in the middle area A2.
  • the advantage is that the two bending areas are arranged in the corner area A1, which can further reduce the area occupied by the non-display area and improve the screen-to-body ratio.
  • the first pad line group 21A is connected to the first power line 30 of the display area A.
  • the first power line 30 refers to a power line located on the left side of the display area A, including but not limited to a VDD (power supply voltage signal) signal line and a VSS (constant voltage low level source signal) signal line.
  • the second pad line group 21B is connected to the metal trace 31 of the display area A.
  • the specific structure of the metal trace 31 is not shown in the drawing, and is only illustrated by a region.
  • the metal trace 31 includes The data lines and the scanning lines of the flexible substrate 20. That is, all the metal traces 31 of the flexible substrate 20 are connected to the pad lines in the same bending area.
  • the third pad line group 21C is connected to the second power line 33 of the display area A.
  • the second power line 33 refers to a power line located on the right side of the display area A, including but not limited to a VDD (power voltage signal) signal line and a VSS (constant voltage low level source signal) signal line.
  • VDD power voltage signal
  • VSS constant voltage low level source signal
  • FIG. 3 is a schematic structural diagram of another embodiment of the flexible substrate of the present invention.
  • the first pad line group 21A is connected to the first power line 30 and a first metal trace 311 of the display area A.
  • the first power line 30 refers to the display
  • the power supply lines on the left side of area A include, but are not limited to, VDD (power supply voltage signal) signal lines and VSS (constant voltage low-level source signal) signal lines.
  • the second pad line group 21B is connected to a second metal trace 312 of the display area A.
  • the third pad line group 21C is connected to a second power line 33 and a third metal trace 313 of the display area A.
  • the second power line 33 refers to the right side of the display area A
  • the power lines include, but are not limited to VDD (power supply voltage signal) signal line and VSS (constant voltage low level source signal) signal line. It can be seen that, in this embodiment, the metal traces of the flexible substrate 20 are divided into three parts, which are respectively connected to the pad line groups 21 provided in the three bending regions.
  • the invention also provides a display panel using the above flexible substrate.
  • 4 is a schematic structural diagram of an embodiment of a display panel of the present invention.
  • the display panel includes a flexible substrate 20 as described above and a display device layer 40.
  • the display device layer 40 is disposed on the flexible substrate 20 and is disposed corresponding to the display area A.
  • the bending area C is bent to a side of the flexible substrate 20 facing away from the display device layer 40.
  • the width of the frame of the display panel is greatly reduced compared to the prior art, and the screen ratio of the display panel is improved.
  • the display device layer 40 includes an organic light-emitting layer 41 and an encapsulation layer 42.
  • the organic light-emitting layer 41 is located between the encapsulation layer 42 and the flexible substrate 20.
  • the display panel is an OLED display panel, which may further include other structural layers known in the art.
  • the organic light-emitting layer 41 and the encapsulation layer 42 are conventional structures of OLED display panels, and will not be described in detail.
  • the display panel includes a flexible substrate 20 as described above and a display device layer 50.
  • the display device layer 50 is provided on the flexible substrate 20 and is provided corresponding to the display area A.
  • the bending area C is bent to a side of the flexible substrate 20 facing away from the display device layer 50.
  • the display device layer 50 includes a liquid crystal layer 51 and a color film substrate 52.
  • the liquid crystal layer 51 is disposed between the color filter substrate 52 and the flexible substrate 20.
  • the display panel is a liquid crystal display panel, which may further include other structural layers known in the art.
  • the liquid crystal layer 51 and the color filter substrate 52 are conventional structures of liquid crystal display panels, and will not be described in detail.
  • the present invention disperses a plurality of pad lines on the flexible substrate on a plurality of independent bending regions, so as to avoid all pad lines mentioned in the prior art from converging into a whole line at the lower frame toward the middle area

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

Abstract

提供一种柔性基板(20)及采用该柔性基板(20)的显示面板。将焊盘线分为多组，每一焊盘线组(21)与一个弯折区(C)连接，即将多个焊盘线分散设置在多个彼此独立的弯折区上(C)，从而避免现有技术中提及的所有焊盘线在下边框处向中间区域汇聚成一段整体走线的情况出现，大大减小了显示面板的边框的宽度，显著提高屏占比。

Description

柔性基板及采用该柔性基板的显示面板 技术领域
本发明涉及显示装置领域，尤其涉及一种柔性基板及采用该柔性基板的显示面板。
 背景技术
目前全屏化手机普及程度越来越高，高屏占比的屏幕越来越受欢迎。所谓屏占比就是屏幕面积与整机面积的比例，较高的屏占比能够给用户带来更好的视觉体验。全面显示屏由于具有高屏占比，显示效果好，因此全面显示屏显示受到消费者越来越多的喜爱，成为了手机等电子设备未来发展的必然趋势。
有源矩阵有机发光二极体 (Active-matrix organic light emitting diode，AMOLED) 显示面板是一种应用较为广泛的显示面板。下面以AMOLED显示面板为例来描述本发明的背景技术，当然，本发明的背景技术并不仅限于此。图1是现有的柔性AMOLED显示面板的结构示意图。请参阅图1，所述AMOLED显示面板包括显示区A和非显示区B，所述非显示区B构成所述显示区A的边框，例如，在所述显示区A下方，所述非显示区B形成一下边框。通常焊盘线(Fanout 走线)10被设置在非显示区B中，例如，焊盘线10被设置在所述下边框内。焊盘线10通常形成在所述AMOLED显示面板的电源线、扫描线和数据线11的端部。电源线、扫描线和数据线11通过焊盘线10连接至驱动电路单元13，其中，所述电源线包括但不限于VDD（电源电压信号）信号线12及VSS（恒压低电平源信号）信号线14。
所述焊盘线10位于非显示区B内，即位于所述AMOLED显示面板边框内，则所述焊盘线10占据的区域越大，所述AMOLED显示面板的边框越大。随着所述AMOLED显示面板边框区域的增大，屏占比减小，相应的，在手机整机尺寸一定的情况下，可以显示的区域面积减小。
目前柔性AMOLED显示面板通常采用弯折（Pad-Bending）工艺，将位于非显示区B的焊盘线10所在的区域弯折至AMOLED显示面板的背面，在所述柔性AMOLED显示面板的背面，所述焊盘线10连接至驱动电路单元13，从而减小显示屏边框的大小。
 技术问题
目前柔性AMOLED 显示面板的弯折工艺为一段式弯折（Pad-Bending），焊盘线10在手机下边框处向中间区域汇聚成一段整体走线，然后整体弯折至柔性AMOLED 显示面板背面，这虽然能够减小所述柔性AMOLED 显示面板的边框的宽度，但是，还不能满足目前的需求。
 技术解决方案
本发明所要解决的技术问题是，提供一种柔性基板及采用该柔性基板的显示面板，其能够减少显示面板的边框宽度，提高屏占比。
为了解决上述问题，本发明提供了一种柔性基板，其包括：一显示区；彼此独立的一第一弯折区、一第二弯折区及一第三弯折区，且所述第一弯折区、所述第二弯折区及所述第三弯折区能够弯折至所述柔性基板的一背面，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角，所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区；以及一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区，所述第一焊盘线组、所述第二焊盘线组及所述第三焊盘线组的一端与所述显示区的功能层走线连接，另一端与一驱动电路单元连接。
在一实施例中，所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
为了解决上述问题，本发明还提供了一种柔性基板，其包括：一显示区；多个彼此独立的弯折区，设置在所述显示区的边缘，且所述弯折区能够弯折至所述柔性基板的一背面；以及多个焊盘线组，所述焊盘线组分别设置在相对应的所述弯折区，每一所述焊盘线组的一端与所述显示区的功能层走线连接，另一端与一驱动电路单元连接。
在一实施例中，所述柔性基板包括一第一弯折区、一第二弯折区及一第三弯折区，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角。
在一实施例中，所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
在一实施例中，所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区。
在一实施例中，所述柔性基板包括一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
本发明还提供了一种显示面板，其包括一如权利要求5所述的柔性基板及一显示器件层，所述显示器件层设置在所述柔性基板上，且对应所述显示区设置，所述弯折区弯折至所述柔性基板背离所述显示器件层的一侧。
在一实施例中，所述显示器件层包括一有机发光层及一封装层，所述有机发光层位于所述封装层与所述柔性基板之间。
在一实施例中，所述显示器件层包括一液晶层及一彩膜基板，所述液晶层设置在所述彩膜基板与所述柔性基板之间。
在一实施例中，所述柔性基板包括一第一弯折区、一第二弯折区及一第三弯折区，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角。
在一实施例中，所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
在一实施例中，所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区。
在一实施例中，所述柔性基板包括一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
在一实施例中，所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
 有益效果
本发明的优点在于，将焊盘线分为多组，每一所述焊盘线组与一个弯折区连接，即将多个焊盘线分散设置在多个彼此独立的弯折区上，从而避免现有技术中提及的所有焊盘线在下边框处向中间区域汇聚成一段整体走线的情况出现，大大减小了显示面板的边框的宽度，显著提高屏占比。
 附图说明
图1是现有的柔性AMOLED显示面板的结构示意图；
图2是本发明柔性基板未弯折的一结构示意图；
图3是本发明柔性基板的另一实施例的结构示意图；
图4是本发明显示面板的一实施例的结构示意图；
图5是本发明显示面板的又一实施例的结构示意图。
 本发明的实施方式
下面结合附图对本发明提供的柔性基板及采用该柔性基板的显示面板的具体实施方式做详细说明。
图2是本发明柔性基板未弯折的一结构示意图，请参阅图2，本发明柔性基板20包括一显示区A、多个彼此独立的弯折区C及多个焊盘线组21。其中，所述弯折区C处于所述柔性基板20的非显示区内。在本实施例中，所述柔性基板20包括三个弯折区C，为了便于描述，定义三个所述弯折区C分别为第一弯折区C1、第二弯折区C2及第三弯折区C3。
所述柔性基板20可以为一柔性阵列基板。具体地说，所述柔性基板20由柔性衬底（附图中未绘示）及设置在所述柔性衬底上的多个功能层（附图中未绘示）形成。所述柔性基底包括但不限于聚酰亚胺等基底，所述功能层可根据柔性基板20的需求而设置在显示区A及弯折区，所述功能层包括但不限于薄膜晶体管层。所述柔性基底及所述功能层为所述柔性基板的常规结构，不再赘述。
所述弯折区C设置在所述显示区A的边缘。具体地说，所述弯折区C与所述显示区A的边缘连接。例如，所述弯折区C可以设置在所述显示区A的上边缘、下边缘、左边缘或右边缘。当然，所述弯折区C可以设置在所述显示区A的同一边缘，也可设置在不同边缘。在本实施例中，所述第一弯折区C1、所述第二弯折区C2及所述第三弯折区C3设置在所述显示区A的同一边缘，如下边缘。
所述弯折区C能够弯折至所述柔性基板20的一背面。所述背面指的是所述柔性基板20未设置功能层的一面。具体地说，在外力的作用下，所述弯折区C能够弯折，所述弯折区C的端部能够弯折至所述柔性基板20的显示区A的背面。所述弯折区C弯折至所述柔性基板20的所述背面的优点在于，减小所述柔性基板20的非显示区的宽度，增大所述柔性基板20的所述显示区A与所述非显示区的比例，实现高屏占比。由于所述弯折区C彼此独立，则在弯折时，所述弯折区C之间不会互相影响。
每一所述焊盘线组21可由至少一根焊盘线构成。每一焊盘线组21均设置在相对应的弯折区C中，更具体地讲，一个焊盘线组21设置在一个弯折区C。即每一个所述弯折区C设置有一个焊盘线组21。例如，在本实施例中，所述柔性基板20包括三个焊盘线组21，分别定义为第一焊盘线组21A、第二焊盘线组21B及第三焊盘线组21C，所述第一焊盘线组21A设置在所述第一弯折区C1，所述第二焊盘线组21B设置在所述第二弯折区C2，所述第三焊盘线组21C设置在所述第三弯折区C3。每一所述焊盘线组21的一端与所述显示区A的功能层走线连接，其中所述功能层走线包括但不限于电源线及金属走线，所述金属走线是指柔性基板的数据线及扫描线。每一所述焊盘线组21的另一端与至少一驱动电路单元22（绘示在图4及图5中）连接。具体地说，所述的多个焊盘线组21的另一端均连接至同一所述驱动电路单元22，或者所述的多个焊盘线组21的另一端分别连接至多个驱动电路单元22。在本实施例中，所述的多个焊盘线组21的另一端连接至同一驱动电路单元22。
本发明柔性基板将焊盘线分为多组，每一所述焊盘线组21与一个弯折区连接，即将多个焊盘线分散设置在多个彼此独立的弯折区C上，从而避免现有技术中提及的所有焊盘线10（请参阅图1）在下边框处向中间区域汇聚成一段整体走线的情况出现，大大减小了非显示区占用的面积，提高屏占比。
在本实施例中，所述第一弯折区C1、所述第二弯折区C2及所述第三弯折区C3设置在所述显示区A的一第一边缘。所述第一边缘为所述显示区A的下边缘。则在后续所述柔性基板20形成柔性显示面板时，所述第一弯折区C1、所述第二弯折区C2及所述第三弯折区C3弯折后形成的非显示区为所述柔性显示面板的下边框。其中，所述第一弯折区C1与所述第三弯折区C3分别设置在所述第二弯折区C2的两侧，所述第一弯折区C1与所述第二弯折区C2具有一锐角夹角，所述第三弯折区C3与所述第二弯折区C2具有一锐角夹角。也就是说，所述第一弯折区C1与所述第二弯折区C2及所述第三弯折区C3与所述第二弯折区C2不平行，自所述显示区A的所述第一边缘起，所述第一弯折区C1、所述第二弯折区C2及所述第三弯折区C3呈发散的趋势延伸。
所述第一弯折区C1及所述第三弯折区C3以所述第二弯折区C2为对称轴对称设置。进一步，在本实施例中，所述显示区A的所述第一边缘具有对称设置的两个角落区A1（如图2中虚线框所示）及设置在所述的两个角落区A1之间的中间区A2，所述第一弯折区C1及所述第三弯折区C3分别设置在所述角落区A1，所述第二弯折区C2设置在所述中间区A2。其优点在于，将两个弯折区设置在角落区A1，可进一步减小非显示区占用的面积，提高屏占比。
在本实施例中，所述第一焊盘线组21A与所述显示区A的第一电源线30连接。具体地说，所述第一电源线30指的是位于所述显示区A左侧的电源线，包括但不限于VDD（电源电压信号）信号线及VSS（恒压低电平源信号）信号线。所述第二焊盘线组21B与所述显示区A的金属走线31连接，在附图中并未绘示金属走线31具体结构，仅以一区域示意，所述金属走线31包括所述柔性基板20的数据线及扫描线。即所述柔性基板20的所有金属走线31与同一弯折区的焊盘线连接。所述第三焊盘线组21C与所述显示区A的第二电源线33连接。具体地说，所述第二电源线33指的是位于所述显示区A右侧的电源线，包括但不限于VDD（电源电压信号）信号线及VSS（恒压低电平源信号）信号线。
所述焊盘线组与显示区A的功能走线的连接方式不限于上述实施例所述的方式。例如，图3是本发明柔性基板的另一实施例的结构示意图。请参阅图3，所述第一焊盘线组21A与所述显示区A的第一电源线30及一第一金属走线311连接，所述第一电源线30指的是位于所述显示区A左侧的电源线，包括但不限于VDD（电源电压信号）信号线及VSS（恒压低电平源信号）信号线。所述第二焊盘线组21B与所述显示区A的一第二金属走线312连接。所述第三焊盘线组21C与所述显示区A的一第二电源线33及一第三金属走线313连接，所述第二电源线33指的是位于所述显示区A右侧的电源线，包括但不限于VDD（电源电压信号）信号线及VSS（恒压低电平源信号）信号线。可见，在本实施例中，所述柔性基板20的金属走线被分成三部分，分别与设置在三个弯折区的焊盘线组21连接。
本发明还提供一种采用上述柔性基板的显示面板。图4是本发明显示面板的一实施例的结构示意图。请参阅图4，所述显示面板包括一如上述的柔性基板20及一显示器件层40。所述显示器件层40设置在所述柔性基板20上，且对应所述显示区A设置。所述弯折区C弯折至所述柔性基板20背离所述显示器件层40的一侧。在该实施例中，所述显示面板的边框的宽度相较于现有技术大大减小，提高了显示面板的屏占比。在本实施例中，所述显示器件层40包括一有机发光层41及一封装层42。所述有机发光层41位于所述封装层42与所述柔性基板20之间。具体地说，在本实施例中，所述显示面板为OLED显示面板，其还可以包括其他本领域公知的结构层。其中，所述有机发光层41及所述封装层42为OLED显示面板的常规结构，不再赘述。
图5是本发明显示面板的又一实施例的结构示意图。请参阅图5，所述显示面板包括一如上述的柔性基板20及一显示器件层50。所述显示器件层50设置在所述柔性基板20上，且对应所述显示区A设置。所述弯折区C弯折至所述柔性基板20背离所述显示器件层50的一侧。在该实施例中，所述显示面板的边框的宽度相较于现有技术大大减小，提高了显示面板的屏占比。在本实施例中，所述显示器件层50包括一液晶层51及一彩膜基板52。所述液晶层51设置在所述彩膜基板52与所述柔性基板20之间。具体地说，在本实施例中，所述显示面板为液晶显示面板，其还可以包括其他本领域公知的结构层。其中，所述液晶层51及所述彩膜基板52为液晶显示面板的常规结构，不再赘述。
本发明将柔性基板上的多个焊盘线分散设置在多个彼此独立的弯折区上，从而避免现有技术中提及的所有焊盘线在下边框处向中间区域汇聚成一段整体走线的情况出现，大大减小了非显示区占用的面积，减小了显示面板的边框的快递，提高了显示面板的屏占比。
以上所述仅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，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
 工业实用性
本申请的主题可以在工业中制造和使用，具备工业实用性。

Claims (20)

  1. 一种柔性基板，其包括：一显示区；彼此独立的一第一弯折区、一第二弯折区及一第三弯折区，且所述第一弯折区、所述第二弯折区及所述第三弯折区能够弯折至所述柔性基板的一背面，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角，所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区；以及一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区，所述第一焊盘线组、所述第二焊盘线组及所述第三焊盘线组的一端与所述显示区的功能层走线连接，另一端与一驱动电路单元连接。
  2. 根据权利要求1所述的柔性基板，其中所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
  3. 根据权利要求1所述的柔性基板，其中所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
  4. 根据权利要求1所述的柔性基板，其中所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
  5. 一种柔性基板，其包括：一显示区；多个彼此独立的弯折区，设置在所述显示区的边缘，且所述弯折区能够弯折至所述柔性基板的一背面；以及多个焊盘线组，所述焊盘线组分别设置在相对应的所述弯折区，每一所述焊盘线组的一端与所述显示区的功能层走线连接，另一端与一驱动电路单元连接。
  6. 根据权利要求5所述的柔性基板，其中所述柔性基板包括一第一弯折区、一第二弯折区及一第三弯折区，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角。
  7. 根据权利要求6所述的柔性基板，其中所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
  8. 根据权利要求6所述的柔性基板，其中所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区。
  9. 根据权利要求6所述的柔性基板，其中所述柔性基板包括一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区。
  10. 根据权利要求9所述的柔性基板，其中所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
  11. 根据权利要求9所述的柔性基板，其中所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
  12. 一种显示面板，其包括一如权利要求5所述的柔性基板及一显示器件层，所述显示器件层设置在所述柔性基板上，且对应所述显示区设置，所述弯折区弯折至所述柔性基板背离所述显示器件层的一侧。
  13. 根据权利要求12所述的显示面板，其中所述显示器件层包括一有机发光层及一封装层，所述有机发光层位于所述封装层与所述柔性基板之间。
  14. 根据权利要求12所述的显示面板，其特征在于，所述显示器件层包括一液晶层及一彩膜基板，所述液晶层设置在所述彩膜基板与所述柔性基板之间。
  15. 根据权利要求12所述的显示面板，其中所述柔性基板包括一第一弯折区、一第二弯折区及一第三弯折区，所述第一弯折区、所述第二弯折区及所述第三弯折区设置在所述显示区的一第一边缘，所述第一弯折区与所述第三弯折区分别位于所述第二弯折区的两侧，所述第一弯折区与所述第二弯折区具有一锐角夹角，所述第三弯折区与所述第二弯折区具有一锐角夹角。
  16. 根据权利要求12所述的显示面板，其中所述第一弯折区与所述第三弯折区以所述第二弯折区为对称轴对称设置。
  17. 根据权利要求12所述的显示面板，其中所述显示区的所述第一边缘具有对称设置的两个角落区及设置在所述的两个角落区之间的中间区，所述第一弯折区及所述第三弯折区分别设置在所述角落区，所述第二弯折区设置在所述中间区。
  18. 根据权利要求12所述的显示面板，其中所述柔性基板包括一第一焊盘线组、一第二焊盘线组及一第三焊盘线组，所述第一焊盘线组设置在所述第一弯折区，所述第二焊盘线组设置在所述第二弯折区，所述第三焊盘线组设置在所述第三弯折区。
  19. 根据权利要求18所述的显示面板，其中所述第一焊盘线组与所述显示区的一第一电源线连接，所述第二焊盘线组与所述显示区的一金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线连接。
  20. 根据权利要求18所述的显示面板，其中所述第一焊盘线组与所述显示区的一第一电源线及一第一金属走线连接，所述第二焊盘线组与所述显示区的一第二金属走线连接，所述第三焊盘线组与所述显示区的一第二电源线及一第三金属走线连接。
PCT/CN2018/123304 2018-12-04 2018-12-25 柔性基板及采用该柔性基板的显示面板 Ceased WO2020113705A1 (zh)

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