WO2021027095A1 - 一种柔性显示面板 - Google Patents

一种柔性显示面板 Download PDF

Info

Publication number
WO2021027095A1
WO2021027095A1 PCT/CN2019/115515 CN2019115515W WO2021027095A1 WO 2021027095 A1 WO2021027095 A1 WO 2021027095A1 CN 2019115515 W CN2019115515 W CN 2019115515W WO 2021027095 A1 WO2021027095 A1 WO 2021027095A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible display
display panel
convex portion
flexible
flexible substrate
Prior art date
Application number
PCT/CN2019/115515
Other languages
English (en)
French (fr)
Inventor
胡泉
李松杉
Original Assignee
武汉华星光电半导体显示技术有限公司
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
Publication date
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 US16/631,455 priority Critical patent/US20210407329A1/en
Publication of WO2021027095A1 publication Critical patent/WO2021027095A1/zh

Links

Classifications

    • 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
    • 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
    • G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
    • G09F9/3023—Segmented electronic displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • 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
    • 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
    • H10K59/80—Constructional details
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED
    • 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 present invention relates to the field of display technology, in particular to a flexible display panel.
  • AMOLED Active matrix organic light-emitting diode
  • the substrate at the bottom of the OLED display panel is prone to cracks or breaks during the bending process.
  • the substrate at the bottom of the OLED display panel is prone to cracks or breaks during the bending process.
  • a flexible display panel which includes a flexible substrate and a flexible display screen body arranged on the flexible substrate, the flexible display screen body having a bending area; wherein the backside of the flexible substrate is provided with A stress buffer structure, the stress buffer structure includes a plurality of convex parts, a groove extending along the length direction of the bending area is arranged between adjacent convex parts; between the apex and the bottom of the convex part The distance between the apexes of the adjacent protrusions is 5 to 12 microns; the distance between the vertices of the adjacent protrusions is 5 to 15 microns.
  • the longitudinal section of the convex portion is triangular, and the longitudinal and longitudinal surfaces of the stress buffer structure are sawtooth.
  • angle of the bottom angle of the convex portion is greater than or equal to 30 degrees, and is less than or equal to 120 degrees.
  • the longitudinal section of the convex portion is square, trapezoidal, semi-elliptical or semi-circular.
  • the bottom edge of the convex portion is located between the flexible substrate and the apex of the convex portion.
  • the stress buffer structure and the flexible substrate are integrally formed.
  • the convex portion includes a plurality of mutually independent convex portions, and the convex portions in each convex portion are arranged at intervals along the length direction of the bending area.
  • the cross section of the convex portion is a continuous strip as a whole, and the convex portion extends along the length direction of the bending area.
  • a flexible display panel which includes a flexible substrate and a flexible display screen body arranged on the flexible substrate, the flexible display screen body having a bending area; wherein the backside of the flexible substrate is provided with A stress buffer structure, the stress buffer structure includes a plurality of convex portions, and a groove extending along the length direction of the bending area is arranged between adjacent convex portions.
  • the longitudinal section of the convex portion is triangular, and the longitudinal and longitudinal surfaces of the stress buffer structure are sawtooth.
  • angle of the bottom angle of the convex portion is greater than or equal to 30 degrees, and is less than or equal to 120 degrees.
  • the longitudinal section of the convex portion is square, trapezoidal, semi-elliptical or semi-circular.
  • the bottom edge of the convex portion is located between the flexible substrate and the apex of the convex portion.
  • the distance between the apex and the bottom of the convex portion is 5-12 microns.
  • the distance between the vertices of adjacent convex portions is 5-15 microns.
  • the stress buffer structure and the flexible substrate are integrally formed.
  • the convex portion includes a plurality of mutually independent convex portions, and the convex portions in each convex portion are arranged at intervals along the length direction of the bending area.
  • the cross section of the convex portion is a continuous strip as a whole, and the convex portion extends along the length direction of the bending area.
  • FIG. 1 is a schematic diagram of the flexible display panel in the unfolded state of the present invention
  • FIG. 2 is a schematic diagram of the flexible display panel in the present invention having a bending area and in a bending state;
  • FIG. 3 is a schematic diagram of the flexible display panel in the present invention having two bending regions and in a bending state;
  • FIG. 4 is a schematic diagram of the structure of a convex part in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the structure of the convex part in another embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the structure of a flexible display panel in the second embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a flexible display panel in the third embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the structure of a flexible display panel in the fourth embodiment of the present invention.
  • the present invention aims at the technical problem that the substrate at the bottom of the OLED display panel is prone to cracks or breaks during the bending process of the existing OLED display panel.
  • the present invention can solve the above-mentioned problems.
  • the flexible display panel includes a flexible substrate 10 and a flexible display body 20 disposed on the flexible substrate 10, and the flexible display body 20 includes The thin film transistor device layer 21 and the organic light emitting layer 22 disposed on the thin film transistor device layer 21.
  • the flexible display screen body 20 has a display area, the display area of the flexible display screen body 20 is provided with a bending zone 23, and the flexible substrate 10 and the flexible display screen body 20 are along the bending zone 23. Turn to bend or unfold.
  • a stress buffer structure 30 is provided on the back side of the flexible substrate 10, the stress buffer structure 30 includes a plurality of protrusions 31, and the bending area 23 is provided between adjacent protrusions 31.
  • the groove 32 extends in the length direction.
  • the orthographic projection of the groove 32 on the flexible substrate 10 includes the orthographic projection of the bending area 23 on the flexible substrate 10.
  • FIG. 2 only illustrates the case where the flexible display body 20 has one bending area 23.
  • the flexible display body 20 may also have two or more mutual Independent bending zone 23.
  • the protrusion 31 includes a plurality of mutually independent protrusions 311, and the protrusions 311 in each protrusion 31 are spaced along the length direction of the bending area 23. Arrangement.
  • the cross section of the convex portion 31 is a continuous strip as a whole, and the convex portion 31 extends along the length direction of the bending area 23.
  • the longitudinal section of the convex portion 31 is triangular, and the longitudinal and longitudinal surfaces of the stress buffer structure 30 are sawtooth.
  • the longitudinal section of the convex portion 31 is an isosceles triangle, and the angle of the bottom angle of the convex portion 31 is greater than or equal to 30 degrees and less than or equal to 120 degrees, so that the flexible display panel is stressed when bending The release is more complete.
  • the longitudinal section of the convex portion 31 is square.
  • the longitudinal section of the convex portion 31 is rectangular.
  • the longitudinal section of the convex portion 31 is trapezoidal.
  • the longitudinal section of the convex portion 31 is an inverted trapezoid.
  • the longitudinal section of the protrusion 31 is semicircular.
  • the longitudinal section of the convex portion 31 may also have other shapes, such as a semicircular shape, an oval shape, or a semielliptical shape, which will not be listed here.
  • the bottom edge of the convex portion 31 is located between the flexible substrate 10 and the apex of the convex portion 31, that is, the convex portion 31 is a convex structure, and the apex of the convex portion 31 faces away from the flexible substrate.
  • the direction of the substrate 10 is set.
  • the distance between the apex and the base of the convex portion 31 is 5-12 microns, and the distance between the apexes of adjacent convex portions 31 is 5-15 microns.
  • the distance between the apex and the bottom of the convex portion 31 is 10 micrometers, and the distance between the vertices of adjacent convex portions 31 is 8 micrometers.
  • the stress buffer structure 30 and the flexible substrate 10 are integrally formed, so that the stress relief is more complete when the flexible display panel is bent, and at the same time, the protrusion 31 is prevented from being separated from the flexible substrate 10 during the bending process.
  • the preparation material of the flexible substrate 10 is polyimide; in the process of preparing the flexible display panel, a thin film transistor device layer 21 is formed on the flexible substrate 10, and the thin film transistor device layer 21 is evaporated. After the organic light-emitting material is plated to form the organic light-emitting layer 22, imprinting is performed on the back of the flexible substrate 10 using imprinting technology to form a stress buffer structure 30 integrally formed with the flexible substrate 10.
  • the material for preparing the flexible substrate 10 is other materials, such as flexible plastic or flexible glass, which are not listed here.
  • the beneficial effects of the present invention are: when the flexible display panel is dynamically bent along the bending area 23, a large amount of stress on the flexible substrate 10 is released through the stress buffer structure 30, which prevents stress concentration at the bending area 23 and prevents Fractures or cracks appear on the flexible substrate 10 during bending, which improves the yield of the flexible display panel.

Landscapes

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

Abstract

本发明提供一种柔性显示面板，其包括柔性衬底和设置于所述柔性衬底上的柔性显示屏体，所述柔性显示屏体具有弯折区；其中，所述柔性衬底的背侧上设置有应力缓冲结构，所述应力缓冲结构包括多个凸部，相邻所述凸部之间设置有沿所述弯折区的长度方向延伸的凹槽。

Description

一种柔性显示面板 技术领域
本发明涉及显示技术领域，尤其涉及一种柔性显示面板。
 背景技术
有源矩阵有机发光二极体（AMOLED）显示面板因其高对比度、广色域、低功耗、可折叠等特性，逐渐成为新一代显示技术。与传统的LCD显示面板相比，OLED显示面板易于柔性化，是可卷曲、可折叠产品的关键技术。
然而，目前显示行业中，由于OLED显示面板的发光区应力释放较为困难，在弯折的过程中OLED显示面板底部的衬底容易产生裂缝或断裂。
 技术问题
目前显示行业中，由于OLED显示面板的发光区应力释放较为困难，在弯折的过程中OLED显示面板底部的衬底容易产生裂缝或断裂。
 技术解决方案
一种柔性显示面板，其包括柔性衬底和设置于所述柔性衬底上的柔性显示屏体，所述柔性显示屏体具有弯折区；其中，所述柔性衬底的背侧上设置有应力缓冲结构，所述应力缓冲结构包括多个凸部，相邻所述凸部之间设置有沿所述弯折区的长度方向延伸的凹槽；所述凸部的顶点与底边之间的间距为5～12微米；相邻所述凸部的顶点之间的间距为5～15微米。
进一步的，所述凸部的纵截面呈三角形，所述应力缓冲结构的纵横面呈锯齿状。
进一步的，所述凸部的底角的角度大于或等于30度，并且，小于或等于120度。
进一步的，所述凸部的纵截面呈方形、梯形、半椭圆形或半圆形。
进一步的，所述凸部的底边位于所述柔性衬底与所述凸部的顶点之间。
进一步的，所述应力缓冲结构与所述柔性衬底一体成型。
进一步的，所述凸部包括多个相互独立的凸起,每个所述凸部中的凸起沿所述弯折区的长度方向间隔排布。
进一步的，所述凸部的横截面整体呈连续的条状，所述凸部沿所述弯折区的长度方向延伸。
一种柔性显示面板，其包括柔性衬底和设置于所述柔性衬底上的柔性显示屏体，所述柔性显示屏体具有弯折区；其中，所述柔性衬底的背侧上设置有应力缓冲结构，所述应力缓冲结构包括多个凸部，相邻所述凸部之间设置有沿所述弯折区的长度方向延伸的凹槽。
进一步的，所述凸部的纵截面呈三角形，所述应力缓冲结构的纵横面呈锯齿状。
进一步的，所述凸部的底角的角度大于或等于30度，并且，小于或等于120度。
进一步的，所述凸部的纵截面呈方形、梯形、半椭圆形或半圆形。
进一步的，所述凸部的底边位于所述柔性衬底与所述凸部的顶点之间。
进一步的，所述凸部的顶点与底边之间的间距为5～12微米。
进一步的，相邻所述凸部的顶点之间的间距为5～15微米。
进一步的，所述应力缓冲结构与所述柔性衬底一体成型。
进一步的，所述凸部包括多个相互独立的凸起,每个所述凸部中的凸起沿所述弯折区的长度方向间隔排布。
进一步的，所述凸部的横截面整体呈连续的条状，所述凸部沿所述弯折区的长度方向延伸。
 有益效果
柔性显示面板沿弯折区进行动态弯折时，通过应力缓冲结构使柔性衬底上大量的应力释放出来，防止弯折区处产生应力集中，防止在弯折时柔性衬底上出现断裂或裂缝，提升柔性显示面板的良率。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明中柔性显示面板处于展开状态时的示意图；
图2为本发明中柔性显示面板具有一个弯折区且处于弯折状态时的示意图；
图3为本发明中柔性显示面板具有两个弯折区且处于弯折状态时的示意图；
图4为本发明一实施方式中凸部的结构示意图；
图5为本发明另一实施方式中凸部的结构示意图；
图6为本发明第二实施方式中柔性显示面板的结构示意图；
图7为本发明第三实施方式中柔性显示面板的结构示意图；
图8为本发明第四实施方式中柔性显示面板的结构示意图。
附图标记：
10、柔性衬底；20、柔性显示屏体；21、薄膜晶体管器件层；22、有机发光层；23、弯折区；30、应力缓冲结构；31、凸部；311、凸起；32、凹槽。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有的OLED显示面板，在弯折的过程中OLED显示面板底部的衬底容易产生裂缝或断裂的技术问题。本发明可以解决上述问题。
一种柔性显示面板，如图1和图2所示，所述柔性显示面板包括柔性衬底10和设置于所述柔性衬底10上的柔性显示屏体20，所述柔性显示屏体20包括薄膜晶体管器件层21以及设置于所述薄膜晶体管器件层21上的有机发光层22。
其中，所述柔性显示屏体20具有显示区，所述柔性显示屏体20的显示区处设置有弯折区23，所述柔性衬底10和所述柔性显示屏体20沿弯折区23转动以弯折或展开。
其中，所述柔性衬底10的背侧上设置有应力缓冲结构30，所述应力缓冲结构30包括多个凸部31，相邻所述凸部31之间设置有沿所述弯折区23的长度方向延伸的凹槽32。
柔性显示面板沿弯折区23进行动态弯折时，通过应力缓冲结构30可以使柔性衬底10上大量的应力释放出来，防止弯折区23处产生应力集中，从而防止在弯折时柔性衬底10上出现断裂或裂缝，提升柔性显示面板的良率。
在一实施方式中，所述凹槽32在所述柔性衬底10上的正投影包纳所述弯折区23在所述柔性衬底10上的正投影。
需要说明的是，图2中仅示意了柔性显示屏体20具有一个弯折区23的情况，具体实施中，如图3所示，柔性显示屏体20还可以具有两个或更多个相互独立的弯折区23。
在一实施方式中，如图4所示，所述凸部31包括多个相互独立的凸起311,每个所述凸部31中的凸起311沿所述弯折区23的长度方向间隔排布。
在另一实施方式中，如图5所示，所述凸部31的横截面整体呈连续的条状，所述凸部31沿所述弯折区23的长度方向延伸。
在第一种实施方式中，所述凸部31的纵截面呈三角形，所述应力缓冲结构30的纵横面呈锯齿状。
进一步的，所述凸部31的纵截面呈等腰三角形，所述凸部31的底角的角度大于或等于30度，并且，小于或等于120度，从而使得柔性显示面板进行弯折时应力释放更加完全。
在第二种实施方式中，如图6所示，所述凸部31的纵截面呈方形。
进一步的，所述凸部31的纵截面呈矩形。
在第三种实施方式中，如图7所示，所述凸部31的纵截面呈梯形。
进一步的，所述凸部31的纵截面呈倒梯形。
在第四种实施方式中，如图8所示，所述凸部31的纵截面呈半圆形。
需要说明的是，实际实施中，所述凸部31的纵截面还可以为其他形状，如大半圆形、椭圆形或大半椭圆形等，在此不一一列举。
具体的，所述凸部31的底边位于所述柔性衬底10与所述凸部31的顶点之间，即所述凸部31为外凸结构，所述凸部31的顶点朝远离柔性衬底10的方向设置。
具体的，所述凸部31的顶点与底边之间的间距为5～12微米，相邻所述凸部31的顶点之间的间距为5～15微米。
在一实施方式中，所述凸部31的顶点与底边之间的间距为10微米，相邻所述凸部31的顶点之间的间距为8微米。
具体的，所述应力缓冲结构30与所述柔性衬底10一体成型，从而使得柔性显示面板弯折时应力释放更加完全，同时防止弯折过程中凸部31与所述柔性衬底10分离。
在一实施方式中，所述柔性衬底10的制备材料为聚酰亚胺；制备柔性显示面板的过程中，在柔性衬底10上形成薄膜晶体管器件层21，在薄膜晶体管器件层21上蒸镀有机发光材料，形成有机发光层22后，利用压印技术在柔性衬底10的背面进行压印，形成与柔性衬底10一体成型的应力缓冲结构30。
具体实施方式中，所述柔性衬底10的制备材料还以为其他材料，如柔性塑料或柔性玻璃等，在此不一一列举。
本发明的有益效果为：柔性显示面板沿弯折区23进行动态弯折时，通过应力缓冲结构30使柔性衬底10上大量的应力释放出来，防止弯折区23处产生应力集中，防止在弯折时柔性衬底10上出现断裂或裂缝，提升柔性显示面板的良率。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (18)

  1. 一种柔性显示面板，其中，所述柔性显示面板包括柔性衬底和设置于所述柔性衬底上的柔性显示屏体，所述柔性显示屏体具有弯折区；其中，所述柔性衬底的背侧上设置有应力缓冲结构，所述应力缓冲结构包括多个凸部，相邻所述凸部之间设置有沿所述弯折区的长度方向延伸的凹槽；所述凸部的顶点与底边之间的间距为5～12微米；相邻所述凸部的顶点之间的间距为5～15微米。
  2. 根据权利要求1所述的柔性显示面板，其中，所述凸部的纵截面呈三角形，所述应力缓冲结构的纵横面呈锯齿状。
  3. 根据权利要求2所述的柔性显示面板，其中，所述凸部的底角的角度大于或等于30度，并且，小于或等于120度。
  4. 根据权利要求1所述的柔性显示面板，其中，所述凸部的纵截面呈方形、梯形、半椭圆形或半圆形。
  5. 根据权利要求3所述的柔性显示面板，其中，所述凸部的底边位于所述柔性衬底与所述凸部的顶点之间。
  6. 根据权利要求1所述的柔性显示面板，其中，所述应力缓冲结构与所述柔性衬底一体成型。
  7. 根据权利要求1所述的柔性显示面板，其中，所述凸部包括多个相互独立的凸起,每个所述凸部中的凸起沿所述弯折区的长度方向间隔排布。
  8. 根据权利要求1所述的柔性显示面板，其中，所述凸部的横截面整体呈连续的条状，所述凸部沿所述弯折区的长度方向延伸。
  9. 一种柔性显示面板，其中，所述柔性显示面板包括柔性衬底和设置于所述柔性衬底上的柔性显示屏体，所述柔性显示屏体具有弯折区；其中，所述柔性衬底的背侧上设置有应力缓冲结构，所述应力缓冲结构包括多个凸部，相邻所述凸部之间设置有沿所述弯折区的长度方向延伸的凹槽。
  10. 根据权利要求9所述的柔性显示面板，其中，所述凸部的纵截面呈三角形，所述应力缓冲结构的纵横面呈锯齿状。
  11. 根据权利要求10所述的柔性显示面板，其中，所述凸部的底角的角度大于或等于30度，并且，小于或等于120度。
  12. 根据权利要求9所述的柔性显示面板，其中，所述凸部的纵截面呈方形、梯形、半椭圆形或半圆形。
  13. 根据权利要求11所述的柔性显示面板，其中，所述凸部的底边位于所述柔性衬底与所述凸部的顶点之间。
  14. 根据权利要求9所述的柔性显示面板，其中，所述凸部的顶点与底边之间的间距为5～12微米。
  15. 根据权利要求9所述的柔性显示面板，其中，相邻所述凸部的顶点之间的间距为5～15微米。
  16. 根据权利要求9所述的柔性显示面板，其中，所述应力缓冲结构与所述柔性衬底一体成型。
  17. 根据权利要求9所述的柔性显示面板，其中，所述凸部包括多个相互独立的凸起,每个所述凸部中的凸起沿所述弯折区的长度方向间隔排布。
  18. 根据权利要求9所述的柔性显示面板，其中，所述凸部的横截面整体呈连续的条状，所述凸部沿所述弯折区的长度方向延伸。
PCT/CN2019/115515 2019-08-15 2019-11-05 一种柔性显示面板 WO2021027095A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/631,455 US20210407329A1 (en) 2019-08-15 2019-11-05 Flexible display panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910755257.0 2019-08-15
CN201910755257.0A CN110570762A (zh) 2019-08-15 2019-08-15 一种柔性显示面板

Publications (1)

Publication Number Publication Date
WO2021027095A1 true WO2021027095A1 (zh) 2021-02-18

Family

ID=68775615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/115515 WO2021027095A1 (zh) 2019-08-15 2019-11-05 一种柔性显示面板

Country Status (3)

Country Link
US (1) US20210407329A1 (zh)
CN (1) CN110570762A (zh)
WO (1) WO2021027095A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111129031A (zh) * 2019-12-18 2020-05-08 武汉华星光电半导体显示技术有限公司 显示面板及其制备方法
KR20210085145A (ko) 2019-12-30 2021-07-08 엘지이노텍 주식회사 폴더블 디스플레이 장치
CN110992838B (zh) * 2020-01-03 2022-01-04 武汉华星光电半导体显示技术有限公司 可折叠显示装置及其制造方法
CN111129353B (zh) * 2020-02-07 2021-01-01 武汉华星光电半导体显示技术有限公司 显示器件及其制备方法
CN111383535B (zh) * 2020-03-25 2022-07-08 合肥维信诺科技有限公司 显示面板及显示装置
CN113539070A (zh) * 2020-04-13 2021-10-22 北京小米移动软件有限公司 显示面板及其制造方法、电子设备
CN111445799B (zh) * 2020-04-14 2022-05-27 京东方科技集团股份有限公司 一种显示面板及显示装置
CN111816072B (zh) * 2020-07-06 2022-03-29 武汉华星光电半导体显示技术有限公司 一种柔性显示屏及显示装置
CN112038377B (zh) * 2020-09-03 2023-11-24 深圳市源彩伟业科技有限公司 一种amoled显示屏和终端
CN112086573A (zh) * 2020-09-09 2020-12-15 武汉华星光电半导体显示技术有限公司 显示面板及其制备方法
KR20220060605A (ko) * 2020-11-04 2022-05-12 삼성디스플레이 주식회사 표시 장치
CN112420746B (zh) * 2020-11-11 2022-08-23 武汉华星光电半导体显示技术有限公司 显示面板及其制备方法、显示装置
CN112542090A (zh) * 2020-12-02 2021-03-23 武汉华星光电半导体显示技术有限公司 柔性显示面板及显示装置
CN112786621A (zh) * 2021-01-11 2021-05-11 武汉华星光电半导体显示技术有限公司 柔性基板、显示面板及显示装置
CN113178133A (zh) * 2021-05-06 2021-07-27 合肥维信诺科技有限公司 复合支撑膜及显示装置
CN114333584B (zh) * 2021-12-28 2023-02-28 深圳市华星光电半导体显示技术有限公司 一种折叠显示面板及折叠显示面板制作方法
CN115116337A (zh) * 2022-07-25 2022-09-27 昆山国显光电有限公司 支撑组件及显示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104183620A (zh) * 2013-05-21 2014-12-03 三星显示有限公司 有机发光二极管显示器及其制造方法
US20170236877A1 (en) * 2016-02-12 2017-08-17 Samsung Display Co., Ltd. Flexible display apparatus and method of manufacturing the same
CN107068862A (zh) * 2017-03-06 2017-08-18 京东方科技集团股份有限公司 柔性显示基板及其制造方法、柔性显示装置、载体基板
CN107611162A (zh) * 2017-09-13 2018-01-19 武汉华星光电半导体显示技术有限公司 柔性oled显示面板及其制作方法
CN107968109A (zh) * 2017-11-21 2018-04-27 武汉华星光电半导体显示技术有限公司 柔性oled显示面板及其制备方法、显示装置
CN109062439A (zh) * 2018-08-09 2018-12-21 武汉华星光电半导体显示技术有限公司 显示面板及显示装置
CN109119442A (zh) * 2018-08-02 2019-01-01 云谷（固安）科技有限公司 显示面板及显示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120025299A (ko) * 2010-09-07 2012-03-15 삼성모바일디스플레이주식회사 유기 발광 표시 장치 및 이의 제조 방법
CN206400960U (zh) * 2017-01-16 2017-08-11 上海天马微电子有限公司 一种可折叠柔性显示面板和可折叠显示装置
CN206594962U (zh) * 2017-03-16 2017-10-27 昆山工研院新型平板显示技术中心有限公司 柔性折叠屏衬底及柔性折叠屏
CN107104200A (zh) * 2017-04-27 2017-08-29 上海天马微电子有限公司 柔性显示面板及柔性显示装置
CN109256044B (zh) * 2017-07-12 2021-01-26 昆山工研院新型平板显示技术中心有限公司 显示屏体及其制备方法
CN108461630B (zh) * 2018-03-03 2022-08-16 昆山国显光电有限公司 柔性显示基板、显示面板、显示装置及其制造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104183620A (zh) * 2013-05-21 2014-12-03 三星显示有限公司 有机发光二极管显示器及其制造方法
US20170236877A1 (en) * 2016-02-12 2017-08-17 Samsung Display Co., Ltd. Flexible display apparatus and method of manufacturing the same
CN107068862A (zh) * 2017-03-06 2017-08-18 京东方科技集团股份有限公司 柔性显示基板及其制造方法、柔性显示装置、载体基板
CN107611162A (zh) * 2017-09-13 2018-01-19 武汉华星光电半导体显示技术有限公司 柔性oled显示面板及其制作方法
CN107968109A (zh) * 2017-11-21 2018-04-27 武汉华星光电半导体显示技术有限公司 柔性oled显示面板及其制备方法、显示装置
CN109119442A (zh) * 2018-08-02 2019-01-01 云谷（固安）科技有限公司 显示面板及显示装置
CN109062439A (zh) * 2018-08-09 2018-12-21 武汉华星光电半导体显示技术有限公司 显示面板及显示装置

Also Published As

Publication number Publication date
CN110570762A (zh) 2019-12-13
US20210407329A1 (en) 2021-12-30

Similar Documents

Publication Publication Date Title
WO2021027095A1 (zh) 一种柔性显示面板
CN109473046B (zh) 光学胶及显示面板
US11885004B2 (en) Mask device and evaporation device
WO2019114101A1 (zh) 阵列基板
US11506821B2 (en) Optical adhesive layer, stretchable display device and preparing method for optical adhesive layer
CN107068862A (zh) 柔性显示基板及其制造方法、柔性显示装置、载体基板
TWI794180B (zh) 顯示裝置
WO2019232942A1 (zh) 曲面显示屏、显示模组及显示终端
CN206516661U (zh) 柔性显示基板、柔性显示装置及载体基板
TW201712405A (zh) 像素結構以及有機發光二極體顯示面板
TW201712407A (zh) 像素結構以及有機發光二極體顯示面板
WO2016033704A1 (zh) 显示模组及具有该显示模组的电子装置
WO2020237970A1 (zh) 显示面板及显示装置
WO2018166129A1 (zh) 显示基板、显示面板、显示设备和制造其的方法
US20220293870A1 (en) Substrate for display
WO2020155367A1 (zh) 一种 oled 显示面板及其制备方法
US11322719B2 (en) Organic light emitting diode comprising inverted triangular groove structure at boundary line between display region and non-display region and method of fabricating thereof
CN111403437B (zh) 一种柔性基板和显示装置
WO2019033639A1 (zh) 显示面板和显示装置
WO2020113756A1 (zh) 一种显示面板、显示模组以及电子装置
WO2020155287A1 (zh) 显示面板及显示装置
WO2020143217A1 (zh) 掩膜单元及具有该掩膜单元的掩膜板组件
WO2016145759A1 (zh) 一种封装基板、显示面板以及曲面显示面板
WO2020215570A1 (zh) 柔性显示面板及显示装置
WO2020118915A1 (zh) 像素电极及阵列基板、显示面板

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19941528

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19941528

Country of ref document: EP

Kind code of ref document: A1