WO2019214094A1 - Oled显示结构及oled显示屏 - Google Patents

Oled显示结构及oled显示屏 Download PDF

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Publication number
WO2019214094A1
WO2019214094A1 PCT/CN2018/098220 CN2018098220W WO2019214094A1 WO 2019214094 A1 WO2019214094 A1 WO 2019214094A1 CN 2018098220 W CN2018098220 W CN 2018098220W WO 2019214094 A1 WO2019214094 A1 WO 2019214094A1
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WO
WIPO (PCT)
Prior art keywords
polarizer
layer
area
oled display
display panel
Prior art date
Application number
PCT/CN2018/098220
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English (en)
French (fr)
Inventor
曹皓然
许志铭
Original Assignee
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 US16/499,602 priority Critical patent/US20210328196A1/en
Publication of WO2019214094A1 publication Critical patent/WO2019214094A1/zh

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Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/80Constructional details
    • H10K50/86Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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
    • H10K59/40OLEDs integrated with touch screens
    • 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
    • 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
    • H10K59/8791Arrangements for improving contrast, e.g. preventing reflection of ambient light

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to an OLED display structure and an OLED display.
  • the AMOLED panel Compared with the TFT-LCD panel, the AMOLED panel has the advantages of low thickness, wide color gamut and high contrast, and is mainly used for high-end center small-sized screens.
  • the current flexible AMOLED panel module design is still not mature. Since the AMOLED requires only one circular polarizer, the flexible AMOLED has no cell structure with respect to the TFT-LCD, and the panel itself is thin and soft. Thus, a POL break occurs at the connection position of the display panel and the COF circuit board. It affects the reliability of the display panel, and causes adverse effects such as TP (touch panel) bonding or even 3D glass cover bonding, which may cause problems such as a decrease in yield when COF is connected.
  • TP touch panel
  • the invention provides an OLED display structure and an OLED display screen, which have the effect of avoiding a decrease in yield which may cause a COF press-fit connection.
  • the invention provides an OLED display structure, comprising:
  • the display panel includes a display area and a non-display area, the non-display area including a connection area and a clearance area on both sides of the connection area;
  • polarizer covering the display area
  • COF circuit board assembly having a connection portion, the connection portion covering the connection area to be electrically connected to the display panel;
  • the pad comprises a PET substrate and a PSA glue
  • the functional component comprises a first bonding layer and a functional layer
  • the functional layer is bonded to the polarizer layer by the first adhesive layer.
  • the first bonding layer overlaps with the polarizer, and the thickness of the pad is greater than or equal to the thickness of the first bonding layer and the polarizer.
  • the first adhesive layer is provided with a notch, and the first adhesive layer is opposite to the connection region and the clearance area, and the notch is opposite to the connection portion;
  • the thickness of the spacer is equal to the thickness of the polarizer.
  • the first bonding layer is opposite to the display panel; the thickness of the pad is equal to the thickness of the polarizer.
  • the functional layer includes a touch function layer and/or an optical function layer.
  • the polarizer is a circular polarizer.
  • the display panel includes:
  • TFT array layer disposed on the substrate
  • An EL luminescent layer disposed on the TFT array layer
  • An encapsulation layer disposed on the EL luminescent layer.
  • the invention also provides an OLED display structure, comprising:
  • the display panel includes a display area and a non-display area, the non-display area including a connection area and a clearance area on both sides of the connection area;
  • polarizer covering the display area
  • COF circuit board assembly having a connection portion, the connection portion covering the connection area to be electrically connected to the display panel;
  • a functional component is disposed on the polarizer, the connecting portion, and the pad.
  • the liner comprises a PET substrate and a PSA glue.
  • the functional component includes a first bonding layer and a functional layer; the functional layer is bonded to the polarizer layer by the first bonding layer.
  • the first bonding layer overlaps with the polarizer, and the thickness of the pad is greater than or equal to the thickness of the first bonding layer and the polarizer.
  • the first adhesive layer is provided with a notch, and the first adhesive layer is opposite to the connection region and the clearance area, and the notch is opposite to the connection portion;
  • the thickness of the spacer is equal to the thickness of the polarizer.
  • the first bonding layer is opposite to the display panel; the thickness of the pad is equal to the thickness of the polarizer.
  • the functional layer includes a touch function layer and/or an optical function layer.
  • the polarizer is a circular polarizer.
  • the display panel includes:
  • TFT array layer disposed on the substrate
  • An EL luminescent layer disposed on the TFT array layer
  • An encapsulation layer disposed on the EL luminescent layer.
  • An OLED display screen includes an OLED display structure, and the OLED display structure includes:
  • the display panel includes a display area and a non-display area, the non-display area including a connection area and a clearance area on both sides of the connection area;
  • polarizer covering the display area
  • COF circuit board assembly having a connection portion, the connection portion covering the connection area to be electrically connected to the display panel;
  • a functional component is disposed on the polarizer, the connecting portion, and the pad.
  • the liner comprises a PET substrate and a PSA glue.
  • the functional component includes a first bonding layer and a functional layer; the functional layer is bonded to the polarizer layer by the first bonding layer.
  • the first bonding layer overlaps with the polarizer, and the thickness of the pad is greater than or equal to the thickness of the first bonding layer and the polarizer.
  • the present invention prevents the occurrence of a gap in the clearance area of the display panel, thereby avoiding the occurrence of a gap in the touch function layer bonding or the glass cover bonding, and avoiding the possibility of causing COF pressure. Problems such as a decrease in yield at the joint.
  • FIG. 1 is a schematic structural diagram of an OLED display structure in some embodiments of the present invention.
  • FIG. 2 is a structural diagram of a display panel of an OLED display structure in an embodiment of the present invention.
  • FIG 3 is a structural diagram of a first bonding layer of a functional component of an OLED display structure in an embodiment of the present invention.
  • FIG. 4 is another structural diagram of a first bonding layer of a functional component of an OLED display structure in an embodiment of the present invention.
  • FIG. 5 is still another structural diagram of a first bonding layer of a functional component of an OLED display structure in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an OLED display screen according to some embodiments of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • FIG. 1 is a schematic structural diagram of an OLED display structure according to some embodiments of the present invention.
  • the OLED display junction includes a display panel 30, a polarizer 40, a COF circuit board assembly 50, a gasket 60, and a functional component 70.
  • the display panel 30 is an AMOLED display panel. Referring to FIG. 2 at the same time, the display panel 30 includes a display area 31 and a non-display area 32 arranged side by side, the non-display area 32 including a connection area 321 and a clearance area 322 located on both sides of the connection area.
  • the display panel 30 has a substantially rectangular plate shape, and the display area 31 and the non-display area 32 are both rectangular.
  • the display panel 30 includes a substrate, a TFT array layer disposed on the substrate, an EL light-emitting layer disposed on the TFT array layer, and an encapsulation layer disposed on the EL light-emitting layer.
  • the substrate is made of PI and has a thickness of about 10 microns.
  • the polarizer 40 is a circular polarizer.
  • the polarizer 40 covers the display area 31 of the display panel 30.
  • the COF circuit board assembly 50 has a connecting portion 51 covering the connection region 321 of the display panel 30 to be electrically connected to the display panel 30.
  • the COF (chip on film) circuit board assembly is a flexible circuit board on which the driving chip for driving the display panel 30 and/or the touch function layer is disposed.
  • the pad 60 covers the clearance area 322 on the display panel 30.
  • Pad 60 includes a PET substrate and a PSA glue.
  • the functional component 70 is disposed on the polarizer 40.
  • the functional component 70 includes a first bonding layer 71 and a functional layer; the functional layer is bonded to the polarizer 40 by the first bonding layer 71.
  • the functional layer includes a touch function layer and/or an optical function layer.
  • the functional layer includes a touch function layer 72, an optical function layer 73, and a protective film layer 74.
  • the structure of the functional layer is not limited thereto, and can be adjusted according to actual needs.
  • the first adhesive layer 71 overlaps with the polarizer 40, that is, the area of the first adhesive layer 71 is substantially the same as the area of the polarizer 40, and may have Certain tolerances.
  • the thickness of the spacer 60 is greater than or equal to the thickness of the first bonding layer 71 and the polarizer 40.
  • the thickness of the spacer 60 is equal to the thickness and optimum of the first bonding layer 71 and the polarizer 40.
  • the first adhesive layer 71 defines a notch 711 .
  • the first adhesive layer 71 faces the connection region 321 and the clearance area 322 .
  • the notch 711 and the connection portion 51 are facing to expose the connecting portion.
  • the thickness of the spacer 60 is equal to the thickness of the polarizer 40.
  • the first bonding layer 71 is substantially opposite to the display panel or has the same area; the thickness of the pad 60 is equal to the thickness of the polarizer 40 .
  • the first bonding layer 71 completely covers the spacer 60, the polarizer 40, and the spacer 60.
  • the pad 60 completely covers the portion of the non-display area 32 of the display panel 30 except the connection area 321 .
  • the present invention prevents the occurrence of a gap in the clearance area of the display panel, thereby avoiding the occurrence of a gap in the touch function layer bonding or the glass cover bonding, and avoiding the possibility of causing COF pressure. Problems such as a decrease in yield at the joint.
  • the present invention also provides an OLED display panel comprising a BP layer 10, a second bonding layer 20, a display panel 30, a polarizer 40, a COF circuit board assembly 50, a gasket 60, and a functional component 70.
  • the OLED display further includes a housing and an electronic control assembly.
  • the BP layer 10 is disposed on the housing.
  • the electronic control component is disposed in the housing, and the electronic control component is electrically connected to the COF circuit board assembly 50.
  • the display panel 30 is connected to the BP layer 10 through the second bonding layer 20 .
  • the BP layer is made of polyterephthalic plastic.
  • the second bonding layer 20 may be a PSA adhesive layer, wherein the PSA is an abbreviation of a pressure sensitive adhesive.
  • the display panel 30 is an AMOLED display panel. Referring to FIG. 2 at the same time, the display panel 30 includes a display area 31 and a non-display area 32 arranged side by side, the non-display area 32 including a connection area 321 and a clearance area 322 located on both sides of the connection area.
  • the display panel 30 has a substantially rectangular plate shape, and the display area 31 and the non-display area 32 are both rectangular.
  • the display panel 30 includes a substrate, a TFT array layer disposed on the substrate, an EL light-emitting layer disposed on the TFT array layer, and an encapsulation layer disposed on the EL light-emitting layer.
  • the substrate is made of PI and has a thickness of about 10 microns.
  • the polarizer 40 is a circular polarizer.
  • the polarizer 40 covers the display area 31 of the display panel 30.
  • the COF circuit board assembly 50 has a connecting portion 51 covering the connection region 321 of the display panel 30 to be electrically connected to the display panel 30.
  • the COF (chip on film) circuit board assembly is a flexible circuit board on which the driving chip for driving the display panel 30 and/or the touch function layer is disposed.
  • the pad 60 covers the clearance area 322 on the display panel 30.
  • Pad 60 includes a PET substrate and a PSA glue.
  • the functional component 70 is disposed on the polarizer 40.
  • the functional component 70 includes a first bonding layer 71 and a functional layer; the functional layer is bonded to the polarizer 40 by the first bonding layer 71.
  • the functional layer includes a touch function layer and/or an optical function layer.
  • the functional layer includes a touch function layer 72, an optical function layer 73, and a protective film layer 74.
  • the structure of the functional layer is not limited thereto, and can be adjusted according to actual needs.
  • the first adhesive layer 71 overlaps with the polarizer 40 , that is, the area of the first adhesive layer 71 is substantially the same as the area of the polarizer 40 . There are certain tolerances. At this time, the thickness of the spacer 60 is greater than or equal to the thickness of the first bonding layer 71 and the polarizer 40. Of course, the thickness of the spacer 60 is equal to the thickness and optimum of the first bonding layer 71 and the polarizer 40.
  • the first adhesive layer 71 defines a notch 711, and the first adhesive layer 71 faces the connection region 321 and the clearance area 322, and the notch 711 and the connection portion 51 is facing to expose the connecting portion.
  • the thickness of the spacer 60 is equal to the thickness of the polarizer 40.
  • the first bonding layer 71 is substantially opposite to the display panel or has the same area; the thickness of the pad 60 is equal to the thickness of the polarizer 40 .
  • the first bonding layer 71 completely covers the spacer 60, the polarizer 40, and the spacer 60.
  • the pad 60 completely covers the portion of the non-display area 32 of the display panel 30 except the connection area 321 .
  • the present invention prevents the occurrence of a gap in the clearance area of the display panel, thereby avoiding the occurrence of a gap in the touch function layer bonding or the glass cover bonding, and avoiding the possibility of causing COF pressure. Problems such as a decrease in yield at the joint.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

本发明提供了一种OLED显示结构及OLED显示屏,该OLED显示结构包括:显示面板,包括显示区域以及非显示区域,非显示区域包括连接区域以及净空区域;偏光片,覆盖于显示区域上;COF电路板组件,具有一连接部,连接部覆盖连接区域以与显示面板电连接;衬垫,覆盖于净空区域;功能组件,设置于偏光片、连接部以及衬垫上。

Description

OLED显示结构及OLED显示屏 技术领域
本发明涉及液晶显示领域,具体涉及一种OLED显示结构及OLED显示屏。
背景技术
AMOLED面板相比较于TFT-LCD面板具有厚度低,色域广,对比度高等优点,主要用于高端中心小尺寸屏幕。但是目前柔性AMOLED面板模组设计,制作还不成熟。由于AMOLED仅需要一张圆偏光片,柔性AMOLED相对于TFT-LCD没有cell结构的玻璃基板,面板本身薄切柔软。这样,在显示面板与COF电路板的连接位置,就会出现POL的断差。会对显示面板的信赖性造成影响,在进行TP(触控面板)贴合甚至3D玻璃盖板贴合时造成不良影响,可能引起COF 连接时的良率降低等问题。
因此,现有技术存在缺陷,急需改进。
技术问题
本发明提供了一种OLED显示结构及OLED显示屏,具有避免可能引起COF 压合连接处的良率降低的效果。
技术解决方案
本发明提供了一种OLED显示结构,包括:
显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
偏光片,所述偏光片覆盖于所述显示区域上;
COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
衬垫,所述衬垫覆盖于所述净空区域;
功能组件,设置于所述偏光片、所述连接部以及所述衬垫上;其中,所述衬垫包括PET基材和PSA胶;所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
在本发明所述的OLED显示结构中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
在本发明所述的OLED显示结构中,所述第一粘接层开设有一缺口,所述第一粘接层与连接区域以及净空区域正对,所述缺口与所述连接部正对;所述衬垫的厚度等于该偏光片的厚度。
在本发明所述的OLED显示结构中,所述第一粘接层与所述显示面板正对;所述衬垫的厚度等于该偏光片的厚度。
在本发明所述的OLED显示结构中,所述功能层包括触控功能层和/或光学功能层。
在本发明所述的OLED显示结构中,所述偏光片为圆偏光片。
在本发明所述的OLED显示结构中,所述显示面板包括:
基板;
设置于所述基板上的TFT阵列层;
设置于所述TFT阵列层上的EL发光层;
设置于所述EL发光层上的封装层。
本发明还提供了一种OLED显示结构,包括:
显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
偏光片,所述偏光片覆盖于所述显示区域上;
COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
衬垫,所述衬垫的覆盖于所述净空区域;
功能组件,设置于所述偏光片、所述连接部以及所述衬垫上。
在本发明所述的OLED显示结构中,所述衬垫包括PET基材和PSA胶。
在本发明所述的OLED显示结构中,所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
在本发明所述的OLED显示结构中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
在本发明所述的OLED显示结构中,所述第一粘接层开设有一缺口,所述第一粘接层与连接区域以及净空区域正对,所述缺口与所述连接部正对;所述衬垫的厚度等于该偏光片的厚度。
在本发明所述的OLED显示结构中,所述第一粘接层与所述显示面板正对;所述衬垫的厚度等于该偏光片的厚度。
在本发明所述的OLED显示结构中,所述功能层包括触控功能层和/或光学功能层。
在本发明所述的OLED显示结构中,所述偏光片为圆偏光片。
在本发明所述的OLED显示结构中,所述显示面板包括:
基板;
设置于所述基板上的TFT阵列层;
设置于所述TFT阵列层上的EL发光层;
设置于所述EL发光层上的封装层。
一种OLED显示屏,其包括OLED显示结构,所述OLED显示结构,包括:
显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
偏光片,所述偏光片覆盖于所述显示区域上;
COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
衬垫,所述衬垫覆盖于所述净空区域;
功能组件,设置于所述偏光片、所述连接部以及所述衬垫上。
在本发明所述的OLED显示屏中,所述衬垫包括PET基材和PSA胶。
在本发明所述的OLED显示屏中,所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
在本发明所述的OLED显示屏中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
有益效果
由上可知,本发明通过在该显示面板的净空区域设置衬垫,从而避免该处出现断差,避免在进行触控功能层贴合或者玻璃盖板贴合时造成影响,避免可能引起COF 压合连接处的良率降低等问题。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域技术人员来讲,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为本发明一些实施例中的OLED显示结构的结构示意图。
图2为本发明实施例中的OLED显示结构的显示面板的结构图。
图3为本发明实施例中的OLED显示结构的功能组件的第一粘接层的一种结构图。
图4为本发明实施例中的OLED显示结构的功能组件的第一粘接层的另一种结构图。
图5为本发明实施例中的OLED显示结构的功能组件的第一粘接层的又一种结构图。
图6为本发明一些实施例中的OLED显示屏的结构示意图。
本发明的最佳实施方式
下面详细描述本发明的实施方式,所述实施方式的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的,仅用于解释本发明,而不能理解为对本发明的限制。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗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发明的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗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,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所述特征。在本发明的描述中,“多个”的含义是两个或两个以上,除非另有明确具体的限定。
在本发明的描述中,需要说明的是,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,也可以是电连接或可以相互通讯;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。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发明中的具体含义。
在本发明中,除非另有明确的规定和限定,第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触,也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且,第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方,或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开,下文中对特定例子的部件和设置进行描述。当然,它们仅仅为示例,并且目的不在于限制本发明。此外,本发明可以在不同例子中重复参考数字和/或参考字母,这种重复是为了简化和清楚的目的,其本身不指示所讨论各种实施方式和/或设置之间的关系。此外,本发明提供了的各种特定的工艺和材料的例子,但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1,图1是本发明一些实施例中的OLED显示结构的结构示意图,该OLED显示结包括显示面板30、偏光片40、COF电路板组件50、衬垫60以及功能组件70。
其中,该显示面板30为AMOLED显示面板。请同时参照图2,该从水平方向看,该显示面板30包括并排设置的显示区域31以及非显示区域32,所述非显示区域32包括连接区域321以及位于连接区域两侧的净空区域322。该显示面板30大致呈矩形板状,该显示区域31以及非显示区域32均呈矩形状。
从竖直方向看,该显示面板30包括基板、设置于所述基板上的TFT阵列层、设置于所述TFT阵列层上的EL发光层、设置于所述EL发光层上的封装层。当然,其并不限于这种层级结构。该基板为PI材质,厚度为10微米左右。
其中,该偏光片40为圆偏光片。该偏光片40覆盖于该显示面板30的显示区域31上。
其中,该COF电路板组件50具有一连接部51,该连接部51覆盖于该显示面板30的连接区域321以与显示面板30电连接。其中,COF(chip on film)电路板组件是一种软性电路板,上面设置有有该用于驱动该显示面板30和/或触控功能层的驱动芯片。
其中,衬垫60覆盖于该显示面板30上的净空区域322。衬垫60包括PET基材和PSA胶。
其中,功能组件70设置于偏光片40上。功能组件70包括第一粘接层71以及功能层;功能层通过所述第一粘接层71与偏光片40粘接。功能层包括触控功能层和/或光学功能层。在一些实施例中,该功能层包括触控功能层72、光学功能层73以及保护膜层74。当然,该功能层的结构并不限于此,可以根据实际的需要进行调整。
其中,在一些实施例中,请参照图3,该第一粘接层71与偏光片40重叠,也即是该第一粘接层71的面积与该偏光片40的面积大致相同,可以有一定公差。此时,该衬垫60的厚度大于或者等于该第一粘接层71以及该偏光片40的厚度和。当然,该衬垫60的厚度等于该第一粘接层71以及该偏光片40的厚度和最佳。
其中,在一些实施例中,请参照图4,该第一粘接层71开设有一缺口711,该第一粘接层71与连接区域321以及净空区域322正对,该缺口711与连接部51正对以将连接部露出。此时,该衬垫60的厚度等于该偏光片40的厚度。
其中,在一些实施例中,请参照图5,该第一粘接层71与显示面板正对或者说面积大致相同;该衬垫60的厚度等于该偏光片40的厚度。该第一粘接层71完全将该衬垫60、该偏光片40以及该衬垫60完全覆盖。
其中,在一些实施例中,该衬垫60完全将该显示面板30的非显示区域32的除开该连接区域321的部分全部覆盖。
由上可知,本发明通过在该显示面板的净空区域设置衬垫,从而避免该处出现断差,避免在进行触控功能层贴合或者玻璃盖板贴合时造成影响,避免可能引起COF 压合连接处的良率降低等问题。
请参照图6,本发明还提供了一种OLED显示屏,包括BP层10、第二粘接层20、显示面板30、偏光片40、COF电路板组件50、衬垫60以及功能组件70。在一些实施例中,该OLED显示屏还包括壳体以及电控组件。该BP层10设置于该壳体上。该电控组件设置于壳体内,该电控组件与该COF电路板组件50电连接。
其中,该显示面板30通过该第二粘接层20与该BP层10连接。其中,该BP层为采用聚对苯二甲酸类塑料制成。该第二粘接层20可以为PSA胶层,其中该PSA为压敏胶的简称。
其中,该显示面板30为AMOLED显示面板。请同时参照图2,该从水平方向看,该显示面板30包括并排设置的显示区域31以及非显示区域32,所述非显示区域32包括连接区域321以及位于连接区域两侧的净空区域322。该显示面板30大致呈矩形板状,该显示区域31以及非显示区域32均呈矩形状。
从竖直方向看,该显示面板30包括基板、设置于所述基板上的TFT阵列层、设置于所述TFT阵列层上的EL发光层、设置于所述EL发光层上的封装层。当然,其并不限于这种层级结构。该基板为PI材质,厚度为10微米左右。
其中,该偏光片40为圆偏光片。该偏光片40覆盖于该显示面板30的显示区域31上。
其中,该COF电路板组件50具有一连接部51,该连接部51覆盖于该显示面板30的连接区域321以与显示面板30电连接。其中,COF(chip on film)电路板组件是一种软性电路板,上面设置有有该用于驱动该显示面板30和/或触控功能层的驱动芯片。
其中,衬垫60覆盖于该显示面板30上的净空区域322。衬垫60包括PET基材和PSA胶。
其中,功能组件70设置于偏光片40上。功能组件70包括第一粘接层71以及功能层;功能层通过所述第一粘接层71与偏光片40粘接。功能层包括触控功能层和/或光学功能层。在一些实施例中,该功能层包括触控功能层72、光学功能层73以及保护膜层74。当然,该功能层的结构并不限于此,可以根据实际的需要进行调整。
其中,在一些实施例中,请同时参照图3,该第一粘接层71与偏光片40重叠,也即是该第一粘接层71的面积与该偏光片40的面积大致相同,可以有一定公差。此时,该衬垫60的厚度大于或者等于该第一粘接层71以及该偏光片40的厚度和。当然,该衬垫60的厚度等于该第一粘接层71以及该偏光片40的厚度和最佳。
其中,在一些实施例中,请同时参照图4,该第一粘接层71开设有一缺口711,该第一粘接层71与连接区域321以及净空区域322正对,该缺口711与连接部51正对以将连接部露出。此时,该衬垫60的厚度等于该偏光片40的厚度。
其中,在一些实施例中,请参照图5,该第一粘接层71与显示面板正对或者说面积大致相同;该衬垫60的厚度等于该偏光片40的厚度。该第一粘接层71完全将该衬垫60、该偏光片40以及该衬垫60完全覆盖。
其中,在一些实施例中,该衬垫60完全将该显示面板30的非显示区域32的除开该连接区域321的部分全部覆盖。
由上可知,本发明通过在该显示面板的净空区域设置衬垫,从而避免该处出现断差,避免在进行触控功能层贴合或者玻璃盖板贴合时造成影响,避免可能引起COF 压合连接处的良率降低等问题。
以上对本发明实施例提供的OLED显示结构及OLED显示屏进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明。同时,对于本领域的技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (20)

  1. 一种OLED显示结构,其包括:
    显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
    偏光片,所述偏光片覆盖于所述显示区域上;
    COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
    衬垫,所述衬垫覆盖于所述净空区域;
    功能组件,设置于所述偏光片、所述连接部以及所述衬垫上;其中,所述衬垫包括PET基材和PSA胶;所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
  2. 根据权利要求1所述的OLED显示结构,其中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
  3. 根据权利要求1所述的OLED显示结构,其中,所述第一粘接层开设有一缺口,所述第一粘接层与连接区域以及净空区域正对,所述缺口与所述连接部正对;所述衬垫的厚度等于该偏光片的厚度。
  4. 根据权利要求1所述的OLED显示结构,其中,所述第一粘接层与所述显示面板正对;所述衬垫的厚度等于该偏光片的厚度。
  5. 根据权利要求1所述的OLED显示结构,其中,所述功能层包括触控功能层和/或光学功能层。
  6. 根据权利要求1所述的OLED显示结构,其中,所述偏光片为圆偏光片。
  7. 根据权利要求1所述的OLED显示结构,其中,所述显示面板包括:
    基板;
    设置于所述基板上的TFT阵列层;
    设置于所述TFT阵列层上的EL发光层;
    设置于所述EL发光层上的封装层。
  8. 一种OLED显示结构,其包括:
    显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
    偏光片,所述偏光片覆盖于所述显示区域上;
    COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
    衬垫,所述衬垫覆盖于所述净空区域;
    功能组件,设置于所述偏光片、所述连接部以及所述衬垫上。
  9. 根据权利要求8所述的OLED显示结构,其中,所述衬垫包括PET基材和PSA胶。
  10. 根据权利要求8所述的OLED显示结构,其中,所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
  11. 根据权利要求10所述的OLED显示结构,其中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
  12. 根据权利要求10所述的OLED显示结构,其中,所述第一粘接层开设有一缺口,所述第一粘接层与连接区域以及净空区域正对,所述缺口与所述连接部正对;所述衬垫的厚度等于该偏光片的厚度。
  13. 根据权利要求10所述的OLED显示结构,其中,所述第一粘接层与所述显示面板正对;所述衬垫的厚度等于该偏光片的厚度。
  14. 根据权利要求10所述的OLED显示结构,其中,所述功能层包括触控功能层和/或光学功能层。
  15. 根据权利要求8所述的OLED显示结构,其中,所述偏光片为圆偏光片。
  16. 根据权利要求8所述的OLED显示结构,其中,所述显示面板包括:
    基板;
    设置于所述基板上的TFT阵列层;
    设置于所述TFT阵列层上的EL发光层;
    设置于所述EL发光层上的封装层。
  17. 一种OLED显示屏,其包括OLED显示结构,所述OLED显示结构,包括:
    显示面板,所述显示面板包括显示区域以及非显示区域,所述非显示区域包括连接区域以及位于连接区域两侧的净空区域;
    偏光片,所述偏光片覆盖于所述显示区域上;
    COF电路板组件,所述COF电路板组件具有一连接部,所述连接部覆盖于所述连接区域以与所述显示面板电连接;
    衬垫,所述衬垫覆盖于所述净空区域;
    功能组件,设置于所述偏光片、所述连接部以及所述衬垫上。
  18. 根据权利要求17所述的OLED显示屏,其中,所述衬垫包括PET基材和PSA胶。
  19. 根据权利要求17所述的OLED显示屏,其中,所述功能组件包括第一粘接层以及功能层;所述功能层通过所述第一粘接层与所述偏光片层粘接。
  20. 根据权利要求19所述的OLED显示屏,其中,所述第一粘接层与所述偏光片重叠,所述衬垫的厚度大于或者等于该第一粘接层以及该偏光片的厚度和。
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