WO2019104745A1 - 柔性显示面板及其下边框结构 - Google Patents

柔性显示面板及其下边框结构 Download PDF

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Publication number
WO2019104745A1
WO2019104745A1 PCT/CN2017/114517 CN2017114517W WO2019104745A1 WO 2019104745 A1 WO2019104745 A1 WO 2019104745A1 CN 2017114517 W CN2017114517 W CN 2017114517W WO 2019104745 A1 WO2019104745 A1 WO 2019104745A1
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Prior art keywords
input end
display panel
length
horizontal direction
flexible display
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PCT/CN2017/114517
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English (en)
French (fr)
Inventor
张筱霞
王硕晟
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武汉华星光电半导体显示技术有限公司
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US15/749,474 priority Critical patent/US11064607B2/en
Publication of WO2019104745A1 publication Critical patent/WO2019104745A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/147—Structural association of two or more printed circuits at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/094—Array of pads or lands differing from one another, e.g. in size, pitch or thickness; Using different connections on the pads
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10128—Display

Definitions

  • the present invention relates to the field of flexible display technologies, and in particular, to a flexible display panel and a bottom frame structure thereof.
  • the existing lower frame is designed to ensure that a narrow frame can also be realized, and a bracketing area is generally added, so that unnecessary areas that do not need to be presented on the display panel are bent to the rear of the panel, giving a visually narrow border effect.
  • the existing lower frame design directly uses IC and FPC to distribute up and down, and the IC width is narrow. Therefore, this structure requires a small width of the entire lower frame, but increases the length of the entire lower frame, and utilizes the entire panel during production. The rate is reduced and the production cost is increased.
  • the present invention provides a flexible display panel and a bottom frame structure thereof, which can reduce the length of the entire lower frame and improve the utilization ratio of the production substrate while ensuring the structure of the COF with lower cost. ,reduce manufacturing cost.
  • the specific technical solution provided by the present invention is to provide a lower frame structure of a flexible display panel, the bottom frame structure including an input end, an output end, and a connection portion connected between the input end and the output end,
  • the input end is for connecting to a PCB board of a flexible display panel, and the output end is used for flexibility
  • the display screen of the display panel is connected.
  • the input end includes a plurality of interface areas, and the plurality of interface areas are linearly distributed in a direction parallel to the connecting portion, and the plurality of interface areas include a COF interface area.
  • the plurality of interface areas further includes an FPC interface area.
  • the COF interface area includes an IC chip and an alignment mark for aligning the IC chip.
  • the length of the connecting portion in the horizontal direction is smaller than the length of the input end in the horizontal direction.
  • the lower frame structure further includes a bent portion that is bent and extended from the two ends of the input end toward the output end.
  • bent portion is located between the input end and the output end.
  • bent portion is perpendicular to the input end.
  • the length of the input end in the horizontal direction is greater than the length of the display screen in the horizontal direction.
  • the connecting portion is made of a flexible material.
  • the present invention also provides a flexible display panel, the flexible display panel comprising a display screen, a PCB board, and a bottom frame structure according to any of the above, wherein an input end of the bottom frame structure is connected to the PCB board, The output of the lower bezel structure is connected to the display screen.
  • the lower frame structure of the flexible display panel of the present invention comprises an input end, an output end and a connection portion connected between the input end and the output end, the input end comprising a plurality of interface areas, the plurality of interfaces
  • the zones are distributed in a straight line in a direction parallel to the connecting portion, the plurality of interface zones comprising a COF interface zone.
  • Embodiment 1 is a schematic structural view of a flexible display panel in Embodiment 1;
  • Embodiment 2 is a schematic view showing a structure of a lower frame in Embodiment 1;
  • FIG. 3 is another schematic view of the structure of the lower frame in Embodiment 1;
  • Fig. 5 is a schematic view showing the structure of the lower frame in the second embodiment.
  • the flexible display panel provided by the embodiment includes a display screen 1 , a PCB board 2 , and a bottom frame structure 3 .
  • the lower frame structure 3 includes an input end 31, an output end 32, and a connecting portion 33 connected between the input end 31 and the output end 32.
  • the input end 31 is for connecting with the PCB board 2
  • the output end 32 is for connecting with the display screen 1
  • the input end 31 includes a plurality of interface areas 30, and the plurality of interface areas 30 are linearly distributed along a direction parallel to the connecting portion 33,
  • the interface area 30 includes a COF interface area 100.
  • the PCB board 2 is located on the back of the display screen 1, and the display screen 1 and the PCB board 2 are connected by the bottom frame structure 3, wherein the input end 31 and the output end 32 can be bent relative to the connecting portion 33.
  • the PCB board 2 can be placed on the back side of the display screen 1, thereby achieving a narrow bezel effect of the flexible display panel.
  • the plurality of interface regions 30 on the input end 31 are linearly distributed in a direction parallel to the connecting portion 33, that is, linearly distributed in the horizontal direction, which reduces the length of the entire lower frame structure 3, that is, the length in the vertical direction, and improves the entire panel. Utilization rate reduces production costs.
  • the production cost of the single panel can be reduced and the length of the entire lower frame structure 3 can be reduced, the utilization ratio of the production substrate can be improved, and the production cost can be reduced.
  • the output terminal 32 is mainly used to set some line traces, electrostatic protection devices or test devices of the display screen 1.
  • the plurality of interface areas 30 also include an FPC interface area 101 that includes an IC chip 200 and an alignment mark 201 for aligning the IC chip 200.
  • the length of the connecting portion 33 in the horizontal direction in this embodiment is smaller than the length of the input end 31 in the horizontal direction. Meanwhile, the length of the connecting portion 33 in the horizontal direction is also smaller than the length of the output end 32 in the horizontal direction, wherein the output end 32 is along The length in the horizontal direction is equal to the length of the display screen 1 in the horizontal direction.
  • the length of the input end 31 in the horizontal direction can be adjusted according to actual needs. For example, if the number of lines or devices to be set is relatively small, the ratio of the input end 31 in the horizontal direction can be set. The length of the screen 1 in the horizontal direction is short. If the number of lines or devices to be set is relatively large, the length of the input end 31 in the horizontal direction can be set to be the same as the length of the display screen 1 in the horizontal direction or horizontally than the display screen 1. The length is long.
  • the material of the connecting portion 33 is a flexible material, so that the bottom frame structure 3 can be placed on the back surface of the display screen 1 by bending the connecting portion 33, thereby implementing a narrow frame design of the flexible display panel.
  • the material of the connecting portion 33 is selected as a flexible material, which can also avoid the phenomenon that the circuit of the flexible display panel is abnormal during the bending process, which improves the stability of the entire flexible display panel.
  • the lower frame structure 4 in this embodiment includes an input end 41 , an output end 42 , and a connecting portion 43 connected between the input end 41 and the output end 42 .
  • the input terminal 41 is for connection with the PCB board 2
  • the output terminal 42 is for connection with the display screen 1
  • the input terminal 41 includes a plurality of interface regions 40, and the plurality of interface regions 40 are linearly distributed in a direction parallel to the connection portion 43.
  • the lower frame structure 4 further includes a bent portion 44 that is bent and extended from the two ends of the input end 41 toward the output end 42 respectively.
  • the bent portion 44 is located between the input end 41 and the output end 42, that is, the length of the bent portion 44 in the vertical direction is smaller than the interval between the input end 41 and the output end 42.
  • the bent portion 44 is perpendicular to the input end 41.
  • the design space of the lower bezel structure 4 can be further increased by providing the bent portion 44, and other devices than the COF interface region 100 and the FPC interface region 101 can be disposed on the input terminal 41.
  • the plurality of interface regions 40 on the input end 41 are linearly distributed in a direction parallel to the connecting portion 43, that is, linearly distributed in the horizontal direction, reducing the length of the entire lower bezel structure 4, that is, the length in the vertical direction.
  • the output terminal 42 is mainly used to set some line traces, electrostatic protection devices or test devices of the display screen 1.
  • the plurality of interface areas 40 include a COF interface area 100 and an FPC interface area 101.
  • the COF interface area 100 includes an IC chip 200 and an alignment mark 202 for aligning the IC chip 200.
  • the production cost of a single panel can be reduced and the length of the entire lower frame structure 4 can be reduced, the utilization ratio of the production substrate can be improved, and the production cost can be reduced.
  • the length of the connecting portion 43 in the horizontal direction in this embodiment is smaller than the length of the input end 41 in the horizontal direction. Meanwhile, the length of the connecting portion 43 in the horizontal direction is also smaller than the length of the output end 42 in the horizontal direction, wherein the output end 42 is along The length in the horizontal direction is equal to the length of the display screen 1 in the horizontal direction.
  • the length of the input end 41 in the horizontal direction can be adjusted according to actual needs. For example, if the number of lines or devices to be set is relatively small, the length of the input end 41 in the horizontal direction can be set shorter than the length of the display screen 1 in the horizontal direction. If there are a large number of lines or devices to be set, the length of the input end 41 in the horizontal direction may be set to be the same as the length of the display screen 1 in the horizontal direction or longer than the length of the display screen 1 in the horizontal direction.
  • the material of the connecting portion 43 is a flexible material, so that the bottom frame structure 4 can be placed on the back surface of the display screen 1 by bending the connecting portion 43 to realize the narrow frame design of the flexible display panel.
  • the material of the connecting portion 43 is selected as a flexible material, which can also avoid the phenomenon that the circuit of the flexible display panel is abnormal during the bending process, which improves the stability of the entire flexible display panel.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种柔性显示面板及其下边框结构（3，4），下边框结构（3，4）包括输入端（31，41）、输出端（32，42）及连接于输入端（31，41）与输出端（32，42）之间的连接部（33，43），输入端（31，41）用于与柔性显示面板的PCB板（2）连接，输出端（32，42）用于与柔性显示面板的显示屏（1）连接，输入端（31，41）包括若干个接口区（30，40），若干个接口区（30，40）沿与连接部（33，43）平行的方向呈直线分布，若干个接口区（30，40）包括COF接口区（100）。通过采用COF结构，能够缩小单个面板的生产成本且可以缩小了整个下边框的长度、提高生产基板的利用率、降低了生产成本。

Description

柔性显示面板及其下边框结构 技术领域
本发明涉及柔性显示技术领域，尤其涉及一种柔性显示面板及其下边框结构。
背景技术
当今，柔性显示设备已日渐成为面板显示领域的新宠，固定曲率的柔性曲面屏手机由于其超窄边框甚至无边框设计也成为了人们越来越受欢迎的产品。而对于固定曲率的柔性显示面板来说，为满足左右两边曲率，下边框需要削边，这样就会使下边框的宽度变窄，整个下边框呈现T字型结构。此时，下边框若仍采用COF(chip on film，覆晶薄膜封装)结构，想要同时摆放COF Pin、FPC Pin、时，面板屏幕就会受限，极大的限制了产品的多样性，因此对于固定曲率的柔性显示面板改善其下边框的设计是十分有必要的。
现有的下边框设计为保证也能实现窄边框，一般会加入一段bending area，使不需要呈现到显示屏上的多余区域弯折到面板后方，给人们一种视觉上的窄边框效果。现有的下边框设计直接采用IC与FPC上下分布，且IC宽度较窄，因此，此结构对整个下边框的宽度要求小，但会增加整个下边框的长度，在生产时使整个面板的利用率减少，增加了生产成本。
发明内容
为了解决现有技术的不足，本发明提供一种柔性显示面板及其下边框结构，在保证能够采用成本较低的COF的结构的同时，又能缩小整个下边框长度，提高生产基板的利用率、降低生产成本。
本发明提出的具体技术方案为：提供一种柔性显示面板的下边框结构，所述下边框结构包括输入端、输出端及连接于所述输入端与所述输出端之间的连接部，所述输入端用于与柔性显示面板的PCB板连接，所述输出端用于与柔性 显示面板的显示屏连接，所述输入端包括若干个接口区，所述若干个接口区沿与所述连接部平行的方向呈直线分布，所述若干个接口区包括COF接口区。
进一步地，所述若干个接口区还包括FPC接口区。
进一步地，所述COF接口区包括IC芯片和用于对所述IC芯片进行对位的对位标记。
进一步地，所述连接部沿水平方向的长度小于所述输入端沿水平方向的长度。
进一步地，所述下边框结构还包括由所述输入端的两端分别朝向所述输出端弯折延伸出的弯折部。
进一步地，所述弯折部位于所述输入端与所述输出端之间。
进一步地，所述弯折部与所述输入端垂直。
进一步地，所述输入端沿水平方向的长度大于所述显示屏沿水平方向的长度。
进一步地，所述连接部的材质为柔性材料。
本发明还提供了一种柔性显示面板，所述柔性显示面板包括显示屏、PCB板及如上任一所述的下边框结构，所述下边框结构的输入端与所述PCB板连接，所述下边框结构的输出端与所述显示屏连接。
本发明提出的柔性显示面板的下边框结构包括输入端、输出端及连接于所述输入端与所述输出端之间的连接部，所述输入端包括若干个接口区，所述若干个接口区沿与所述连接部平行的方向呈直线分布，所述若干个接口区包括COF接口区。通过采用COF结构，能够缩小单个面板的生产成本且可以缩小整个下边框的长度、提高生产基板的利用率、降低了生产成本。
附图说明
图1为实施例1中柔性显示面板的结构示意图；
图2为实施例1中下边框结构的示意图；
图3为实施例1中下边框结构的另一示意图；
图4为实施例1中下边框结构的又一示意图；
图5为实施例2中下边框结构的示意图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。在附图中，相同的标号将始终被用于表示相同的元件。
实施例1
参照图1、图2，本实施例提供的柔性显示面板包括显示屏1、PCB板2及下边框结构3。下边框结构3包括输入端31、输出端32及连接于输入端31与输出端32之间的连接部33。输入端31用于与PCB板2连接，输出端32用于与显示屏1连接，输入端31包括若干个接口区30，若干个接口区30沿与连接部33平行的方向呈直线分布，若干个接口区30包括COF接口区100。
在实际组装过程中，PCB板2位于显示屏1的背面，显示屏1和PCB板2之间通过下边框结构3进行连接，其中，输入端31、输出端32可以相对于连接部33弯折，从而可以使得PCB板2置于显示屏1的背面，从而实现柔性显示面板的窄边框效果。
输入端31上的若干个接口区30沿与连接部33平行的方向呈直线分布即沿水平方向呈直线分布，缩小了整个下边框结构3的长度即沿竖直方向的长度，提高了整个面板的利用率、降低了生产成本。
此外，通过采用COF结构，能够缩小单个面板的生产成本且可以缩小了整个下边框结构3的长度、提高生产基板的利用率、降低了生产成本。
输出端32主要用于设置显示屏1的一些线路走线、静电防护器件或测试器件。若干个接口区30还包括FPC接口区101,COF接口区100包括IC芯片200和用于对IC芯片200进行对位的对位标记201。
本实施例中的连接部33沿水平方向的长度小于输入端31沿水平方向的长度，同时，连接部33沿水平方向的长度也小于输出端32沿水平方向的长度，其中，输出端32沿水平方向的长度等于显示屏1沿水平方向的长度。
参照图2、图3及图4，输入端31水平方向的长度可以根据实际需要进行调整，例如，需要设置的线路或者器件比较少的话，可以将输入端31沿水平方向的长度设置的比显示屏1沿水平方向的长度短，如果需要设置的线路或器件比较多的话，可以将输入端31沿水平方向的长度设置的和显示屏1沿水平方向的长度一样或者比显示屏1沿水平方向的长度长。
本实施例中连接部33的材质为柔性材料，这样，下边框结构3可以通过连接部33的弯折将PCB板2置于显示屏1的背面，从而实现柔性显示面板的窄边框设计，将连接部33的材质选为柔性材料也可以避免在弯折过程中发生折断而导致柔性显示面板的电路异常的现象，提升了整个柔性显示面板的稳定性。
实施例2
参照图3、图4，本实施例中的下边框结构4包括输入端41、输出端42及连接于输入端41与输出端42之间的连接部43。输入端41用于与PCB板2连接，输出端42用于与显示屏1连接，输入端41包括若干个接口区40，若干个接口区40沿与连接部43平行的方向呈直线分布。下边框结构4还包括由输入端41的两端分别朝向输出端42弯折延伸出的弯折部44。
弯折部44位于输入端41与输出端42之间即弯折部44沿竖直方向上的长度小于输入端41与输出端42之间的间隔。弯折部44与输入端41垂直。通过设置弯折部44可以进一步地提升下边框结构4的设计空间，可以将除了COF接口区100、FPC接口区101之外的其他器件设置在输入端41上。
输入端41上的若干个接口区40沿与连接部43平行的方向呈直线分布即沿水平方向呈直线分布，缩小了整个下边框结构4的长度即沿竖直方向的长度。
输出端42主要用于设置显示屏1的一些线路走线、静电防护器件或测试器件。若干个接口区40包括COF接口区100、FPC接口区101,COF接口区100包括IC芯片200和用于对IC芯片200进行对位的对位标记202。
通过采用COF结构，能够缩小单个面板的生产成本且可以缩小了整个下边框结构4的长度、提高生产基板的利用率、降低了生产成本。
本实施例中的连接部43沿水平方向的长度小于输入端41沿水平方向的长度，同时，连接部43沿水平方向的长度也小于输出端42沿水平方向的长度，其中，输出端42沿水平方向的长度等于显示屏1沿水平方向的长度。
输入端41水平方向的长度可以根据实际需要进行调整，例如，需要设置的线路或者器件比较少的话，可以将输入端41沿水平方向的长度设置的比显示屏1沿水平方向的长度短，如果需要设置的线路或器件比较多的话，可以将输入端41沿水平方向的长度设置的和显示屏1沿水平方向的长度一样或者比显示屏1沿水平方向的长度长。
本实施例中连接部43的材质为柔性材料，这样，下边框结构4可以通过连接部43的弯折将PCB板2置于显示屏1的背面，从而实现柔性显示面板的窄边框设计，将连接部43的材质选为柔性材料也可以避免在弯折过程中发生折断而导致柔性显示面板的电路异常的现象，提升了整个柔性显示面板的稳定性。
以上所述仅是本申请的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (20)

  1. 一种柔性显示面板的下边框结构，其中，包括输入端、输出端及连接于所述输入端与所述输出端之间的连接部，所述输入端用于与柔性显示面板柔性显示面板的PCB板连接，所述输出端用于与柔性显示面板的显示屏连接，所述输入端包括若干个接口区，所述若干个接口区沿与所述连接部平行的方向呈直线分布，所述若干个接口区包括COF接口区。
  2. 根据权利要求1所述的下边框结构，其中，所述若干个接口区还包括FPC接口区。
  3. 根据权利要求1所述的下边框结构，其中，所述COF接口区包括IC芯片和用于对所述IC芯片进行对位的对位标记。
  4. 根据权利要求1所述的下边框结构，其中，所述连接部沿水平方向的长度小于所述输入端沿水平方向的长度。
  5. 根据权利要求1所述的下边框结构，其中，还包括由所述输入端的两端分别朝向所述输出端弯折延伸出的弯折部。
  6. 根据权利要求5所述的下边框结构，其中，所述弯折部位于所述输入端与所述输出端之间。
  7. 根据权利要求6所述的下边框结构，其中，所述弯折部与所述输入端垂直。
  8. 根据权利要求1所述的下边框结构，其中，所述输入端沿水平方向的长度大于所述显示屏沿水平方向的长度。
  9. 根据权利要求2所述的下边框结构，其中，所述输入端沿水平方向的长度大于所述显示屏沿水平方向的长度。
  10. 根据权利要求4所述的下边框结构，其中，所述输入端沿水平方向的长度大于所述显示屏沿水平方向的长度。
  11. 根据权利要求5所述的下边框结构，其中，所述输入端沿水平方向的长度大于所述显示屏沿水平方向的长度。
  12. 根据权利要求8所述的下边框结构，其中，所述连接部的材质为柔性材料。
  13. 根据权利要求9所述的下边框结构，其中，所述连接部的材质为柔性材料。
  14. 根据权利要求10所述的下边框结构，其中，所述连接部的材质为柔性材料。
  15. 根据权利要求11所述的下边框结构，其中，所述连接部的材质为柔性材料。
  16. 一种柔性显示面板，其中，包括显示屏、PCB板及下边框结构，所述下边框结构包括输入端、输出端及连接于所述输入端与所述输出端之间的连接部，所述输入端用于与柔性显示面板柔性显示面板的PCB板连接，所述输出端用于与柔性显示面板的显示屏连接，所述输入端包括若干个接口区，所述若干个接口区沿与所述连接部平行的方向呈直线分布，所述若干个接口区包括COF接口区，所述下边框结构的输入端与所述PCB板连接，所述下边框结构的输出端与所述显示屏连接。
  17. 根据权利要求16所述的柔性显示面板，其中，所述若干个接口区还包括FPC接口区。
  18. 根据权利要求16所述的柔性显示面板，其中，所述连接部沿水平方向的长度小于所述输入端沿水平方向的长度。
  19. 根据权利要求16所述的柔性显示面板，其中，还包括由所述输入端的两端分别朝向所述输出端弯折延伸出的弯折部。
  20. 根据权利要求19所述的柔性显示面板，其中，所述弯折部位于所述输入端与所述输出端之间。
PCT/CN2017/114517 2017-11-30 2017-12-05 柔性显示面板及其下边框结构 WO2019104745A1 (zh)

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