WO2020052029A1 - 显示面板 - Google Patents

显示面板 Download PDF

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Publication number
WO2020052029A1
WO2020052029A1 PCT/CN2018/113955 CN2018113955W WO2020052029A1 WO 2020052029 A1 WO2020052029 A1 WO 2020052029A1 CN 2018113955 W CN2018113955 W CN 2018113955W WO 2020052029 A1 WO2020052029 A1 WO 2020052029A1
Authority
WO
WIPO (PCT)
Prior art keywords
display panel
layer
emitting layer
light
light emitting
Prior art date
Application number
PCT/CN2018/113955
Other languages
English (en)
French (fr)
Inventor
叶剑
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 US16/309,381 priority Critical patent/US10903288B2/en
Publication of WO2020052029A1 publication Critical patent/WO2020052029A1/zh

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Classifications

    • 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • 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
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/13Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00Aspects of interface with display user

Definitions

  • the present application relates to the field of display, and in particular to a display panel capable of performing fingerprint recognition under the screen.
  • a touch display panel and a fingerprint recognition module of an electronic device are usually separately provided. If the fingerprint recognition module is provided on the back of the electronic device, when the fingerprint recognition module is provided, the body is often Make a hole and embed the fingerprint identification module in the fuselage, which affects the integrity of the electronic device. If the fingerprint identification module is set on the front of the electronic device, the fingerprint identification module will occupy the display area, reducing the electronic device's Screen ratio. Therefore, it is necessary to propose a display panel that combines a touch display panel and a fingerprint recognition module to achieve a display panel for under-screen fingerprint recognition.
  • the present application provides a display panel to realize fingerprint recognition under the screen.
  • An embodiment of the present application provides a display panel, including:
  • a light-emitting layer provided on the substrate layer, the light-emitting layer including a plurality of pixel units;
  • the substrate layer includes a base substrate, and the photosensitive element is disposed between the base substrate and a light emitting layer.
  • the light emitting layer includes an anode layer
  • the photosensitive element is disposed on the same layer as the anode layer.
  • a thin film transistor is provided between the base substrate and the light emitting layer.
  • transistor TFT
  • the TFT includes a source and a drain, and the photosensitive element is electrically connected to the source and the drain.
  • the substrate layer includes a base substrate, and the photosensitive element is disposed on a side of the base substrate away from the light emitting layer.
  • a filter layer is provided on a side of the base substrate remote from the light emitting layer, a through hole is provided on the filter layer, and the photosensitive element is provided on the through hole. In the hole.
  • the display panel further includes a lens portion, the lens portion is disposed on the light-emitting layer of the display panel, and at least a part of the lens portion is disposed on the photosensitive layer. Light path of components.
  • the display panel further includes a thin film encapsulation layer, and the thin film encapsulation layer covers the light emitting layer and the lens portion.
  • a plurality of convex portions are provided on a surface of the thin film encapsulation layer remote from the light emitting layer, and the convex portions and the lens portions are disposed at intervals.
  • the convex portion and the lens portion are made of the same material.
  • An embodiment of the present application provides a display panel, including:
  • a light-emitting layer provided on the substrate layer, the light-emitting layer including a plurality of pixel units;
  • a light sensing element disposed between the pixel units, the light sensing element being configured to sense light reflected by a fingerprint and emitted by the pixel unit for fingerprint identification.
  • the substrate layer includes a base substrate, and the photosensitive element is disposed between the base substrate and a light emitting layer.
  • the light emitting layer includes an anode layer
  • the photosensitive element is disposed on the same layer as the anode layer.
  • a TFT is provided between the base substrate and the light emitting layer, the TFT includes a source and a drain, and the photosensitive element is electrically connected to the source and the drain.
  • the substrate layer includes a base substrate, and the photosensitive element is disposed on a side of the base substrate away from the light emitting layer.
  • a filter layer is provided on a side of the base substrate remote from the light emitting layer, a through hole is provided on the filter layer, and the photosensitive element is provided on the through hole. In the hole.
  • the display panel further includes a lens portion, the lens portion is disposed on the light-emitting layer of the display panel, and at least a part of the lens portion is disposed on the photosensitive layer. Light path of components.
  • the display panel further includes a thin film encapsulation layer, and the thin film encapsulation layer covers the light emitting layer and the lens portion.
  • a plurality of convex portions are provided on a surface of the thin film encapsulation layer remote from the light emitting layer, and the convex portions and the lens portions are disposed at intervals.
  • the convex portion and the lens portion are made of the same material.
  • the display panel provided by the present application has the beneficial effects that the display panel provided by the embodiment of the present application includes a substrate layer, a light emitting layer, and a plurality of photosensitive elements.
  • the light emitting layer includes a plurality of pixel units, and a plurality of the photosensitive elements. It is arranged between the plurality of pixel units, and the light sensing element senses the light emitted by the pixel unit reflected by the fingerprint for fingerprint recognition, so that when the light emitted from the light emitting layer is used for display, When a finger is attached to the display panel, the light of the light-emitting layer is reflected by the finger to the photosensitive element, and the photosensitive element receives the light for fingerprint recognition, so a display panel for fingerprint recognition under the screen is realized.
  • FIG. 1 is a cross-sectional view of a first embodiment of a display panel provided by the present application.
  • FIG. 2 is a schematic diagram of a second embodiment of a display panel provided by the present application.
  • FIG. 3 is a schematic diagram of a third embodiment of a display panel provided by the present application.
  • FIG. 4 is a circuit connection diagram of a sub-pixel of a display panel provided by the present application.
  • FIG. 5 is a first circuit connection diagram of a photosensitive element of a display panel provided by the present application.
  • FIG. 6 is a second circuit connection diagram of a photosensitive element of a display panel provided by the present application.
  • FIG. 7 is a cross-sectional view of a fourth embodiment of a display panel provided by the present application.
  • FIG. 8 is a cross-sectional view of a fifth embodiment of a display panel provided by the present application.
  • FIG. 9 is a cross-sectional view of a sixth embodiment of a display panel provided by the present application.
  • FIG. 10 is a first schematic diagram of a fingerprint recognition unit of a display panel provided by the present application.
  • FIG. 11 is a second schematic diagram of a fingerprint recognition unit of a display panel provided by the present application.
  • the present application provides a display panel 10 capable of performing fingerprint recognition under the screen.
  • the display panel 10 includes a substrate layer 11, a light-emitting layer 12, and a plurality of photosensitive elements 13.
  • the substrate layer 11 includes a base substrate 111 and a circuit layer 112.
  • the light emitting layer 12 is disposed on the substrate layer 11.
  • the circuit layer 112 is disposed between the base substrate 111 and the light emitting layer 12.
  • the light emitting layer 12 includes a plurality of pixel units 121.
  • a plurality of the photosensitive elements 13 are disposed between the plurality of pixel units 121, and the photosensitive elements 13 are disposed within a gap between the pixel units 121.
  • the photosensitive element 13 is used for sensing the light reflected by the fingerprint and emitted by the pixel unit 121 for fingerprint recognition.
  • the circuit layer 112 includes a thin film transistor. transistor (TFT) 1121.
  • TFT transistor
  • the TFT 1121 includes a source-drain 1121a, the photosensitive element 13 is electrically connected to the source-drain 1121a, and the photosensitive element 13 is an image sensor.
  • each of the pixel units 121 includes a plurality of sub-pixels 1211.
  • each of the pixel units 121 may include three sub-pixels 1211.
  • the three sub-pixels 1211 may be a red sub-pixel (Red, R) 1211, a green sub-pixel (Green, G) 1211, and a blue sub-pixel (Blue, B) 1211.
  • the display panel 10 may include a plurality of fingerprint recognition units 15. Each fingerprint identification unit 15 may include a plurality of photoelectric units 14.
  • each fingerprint recognition unit 15 may include four photoelectric units 14. In the four photoelectric units 14, the photosensitive elements (P) 13 are all staggered, showing the arrangement of RGBP, RGPB, RPGB, and PRGB, thereby improving the uniformity of the photosensitive elements (P) 13 and improving the recognition accuracy.
  • the photosensitive element 13 is disposed in the light emitting layer 12.
  • the photosensitive element 13 may be located on the circuit layer 112.
  • the photosensitive element 13 may be disposed on the same layer as the anode layer 122 of the light-emitting layer 12.
  • a circuit connection diagram of the sub-pixel 1211 may be shown in FIG. 4. Please refer to FIGS. 5-6.
  • the circuit connection diagram of the photosensitive element 13 may be the manner shown in FIG. 5 or the manner shown in FIG. 6.
  • the photosensitive element 13 is disposed on a side of the base substrate away from the light emitting layer 12.
  • a filter layer 16 may be disposed on a side of the substrate layer 11 away from the light emitting layer 12.
  • the photosensitive element 13 is disposed on a side of the filter layer 16 away from the substrate layer 11.
  • a plurality of through holes 161 are defined in the filtering layer 16. The light reflected by the fingerprint and emitted by the pixel unit 121 passes through the through hole 161, so that the photosensitive element 13 receives the light and performs fingerprint recognition.
  • the photosensitive element 13 may also be a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor) (CMOS) photodiode.
  • CMOS complementary Metal Oxide Semiconductor
  • the photosensitive element 13 is disposed on the circuit layer 112 of the substrate layer 11.
  • the display panel 10 further includes a lens portion 170.
  • the lens portion 170 is disposed on the light emitting layer 12 of the display panel 10.
  • the cathode layer 123 covers the light-emitting layer 12 and the lens portion 170.
  • the lens portion 170 is interposed between the light emitting layer 12 and the cathode layer 123.
  • the cathode layer 123 forms a raised portion 171 on the lens portion 170.
  • the lens unit 170 and the pixel unit 121 are staggered.
  • the lens portions 170 correspond to the light receiving elements 13 one-to-one. At least part of the lens portion 170 is disposed on the optical path of the photosensitive element 13, and the light emitted by the pixel unit 121 reflected by the fingerprint passes through the lens portion 170 and reaches the photosensitive element 13.
  • a thin film encapsulation layer 172 is further disposed on the cathode layer 123.
  • the thin film encapsulation layer 172 covers the cathode layer 123.
  • the thin film encapsulation layer 172 includes a protrusion 1720.
  • the protrusion 1720 is disposed on a surface of the thin film encapsulation layer 172 away from the cathode layer 123.
  • the convex portion 1720 and the lens portion 170 are disposed at intervals.
  • the convex portion 1720, the lens portion 170, and the photosensitive element 13 correspond one-to-one.
  • the convex portion 1720 and the lens portion 170 are located on an optical path of the photosensitive element 13.
  • the light emitted by the pixel unit 131 reflected by the fingerprint passes through the convex portion 1720 and the lens portion 170 and reaches the photosensitive element 13.
  • the lens portion 170 and the second protrusion 1720 jointly adjust the light emitted by the pixel unit 121 reflected by the fingerprint, thereby improving the sensitivity of the fingerprint recognition function of the display panel 10.
  • the convex portion and the lens portion may be made of the same material, for example, polystyrene.
  • the display panel 10 may further include a protective layer 18.
  • the protection layer 18 is disposed on the light adjustment layer 17 to protect the light adjustment layer 17.
  • the protective layer 18 may be glass.
  • a touch layer 19 may be further provided between the light adjustment layer 17 and the protective layer 18.
  • the touch layer 19 includes a plurality of touch units 190 that are insulated from each other. Each touch unit 190 corresponds to a photoelectric unit 14.
  • a display panel provided in an embodiment of the present application includes a substrate layer, a light-emitting layer, and a plurality of light-sensitive elements.
  • the light-emitting layer includes a plurality of pixel units.
  • the plurality of light-sensitive elements are disposed between the plurality of pixel units.
  • the photosensitive element senses the light emitted by the pixel unit reflected by the fingerprint for fingerprint recognition, so that when the light emitted from the light-emitting layer is used for display, when the finger is attached to the display panel, the light-emitting layer The light is reflected by the finger to the photosensitive element, and the photosensitive element receives the light for fingerprint recognition, so a display panel for fingerprint recognition under the screen is realized.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Electroluminescent Light Sources (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

一种显示面板(10)包括基板层(11)、发光层(12)和多个感光元件(13)。发光层(12)包括多个像素单元(121),多个感光元件(13)设置在多个像素单元(121)之间,感光元件(13)感测经指纹反射的由像素单元(121)发出的光线进行指纹识别,当手指与显示面板(10)贴合时,发光层(12)的光线经手指反射至感光元件(13),感光元件(13)接收光线进行指纹识别。

Description

显示面板 技术领域
本申请涉及显示领域,具体涉及一种可以进行屏下指纹识别的显示面板。
背景技术
在现有技术中,电子设备的触控显示面板和指纹识别模块通常都是独立设置的,如果将所述指纹识别模块设置于电子设备的背面,在设置指纹识别模块时,往往要对机身进行开孔,将指纹识别模块镶嵌在机身中,因此影响电子设备的整体性,如果将所述指纹识别模块设置于电子设备的正面,所述指纹识别模块将占据显示区域,降低电子设备的屏占比。因此,有必要提出一种将触控显示面板和指纹识别模块相结合的显示面板,以实现屏下指纹识别的显示面板。
技术问题
本申请提供一种显示面板,以实现屏下指纹识别。
技术解决方案
本申请实施方式提供一种显示面板,包括:
基板层;
设置在所述基板层上的发光层,所述发光层包括多个像素单元;
感光元件,所述感光元件设置在所述像素单元之间,所述感光元件用于感测经指纹反射的由所述像素单元发出的光线进行指纹识别,所述感光元件为图像传感器。
在本申请实施方式提供的所述显示面板中,所述基板层包括衬底基板,所述感光元件设置在所述衬底基板和发光层之间。
在本申请实施方式提供的所述显示面板中,所述发光层包括阳极层,所述感光元件与所述阳极层同层设置。
在本申请实施方式提供的所述显示面板中,所述衬底基板和发光层之间设置有薄膜晶体管(thin film transistor,TFT),所述TFT包括源漏极,所述感光元件与所述源漏极电连接。
在本申请实施方式提供的所述显示面板中,所述基板层包括衬底基板,所述感光元件设置于所述衬底基板远离所述发光层的一侧。
在本申请实施方式提供的所述显示面板中,所述衬底基板远离所述发光层的一侧设置有过滤层,所述过滤层上设置有通孔,所述感光元件设置于所述通孔中。
在本申请实施方式提供的所述显示面板中,所述显示面板还包括透镜部,所述透镜部设置于所述显示面板的发光层之上,且至少部分所述透镜部设置于所述感光元件的光路上。
在本申请实施方式提供的所述显示面板中,所述显示面板还包括薄膜封装层,所述薄膜封装层覆盖所述发光层和所述透镜部。
在本申请实施方式提供的所述显示面板中,所述薄膜封装层远离所述发光层的表面设置有多个凸起部,所述凸起部和透镜部间隔设置。
在本申请实施方式提供的所述显示面板中,所述凸起部和透镜部的采用相同的材料。
本申请实施方式提供一种显示面板,包括:
基板层;
设置在所述基板层上的发光层,所述发光层包括多个像素单元;
感光元件,所述感光元件设置在所述像素单元之间,所述感光元件用于感测经指纹反射的由所述像素单元发出的光线进行指纹识别。
在本申请实施方式提供的所述显示面板中,所述基板层包括衬底基板,所述感光元件设置在所述衬底基板和发光层之间。
在本申请实施方式提供的所述显示面板中,所述发光层包括阳极层,所述感光元件与所述阳极层同层设置。
在本申请实施方式提供的所述显示面板中,所述衬底基板和发光层之间设置有TFT,所述TFT包括源漏极,所述感光元件与所述源漏极电连接。
在本申请实施方式提供的所述显示面板中,所述基板层包括衬底基板,所述感光元件设置于所述衬底基板远离所述发光层的一侧。
在本申请实施方式提供的所述显示面板中,所述衬底基板远离所述发光层的一侧设置有过滤层,所述过滤层上设置有通孔,所述感光元件设置于所述通孔中。
在本申请实施方式提供的所述显示面板中,所述显示面板还包括透镜部,所述透镜部设置于所述显示面板的发光层之上,且至少部分所述透镜部设置于所述感光元件的光路上。
在本申请实施方式提供的所述显示面板中,所述显示面板还包括薄膜封装层,所述薄膜封装层覆盖所述发光层和所述透镜部。
在本申请实施方式提供的所述显示面板中,所述薄膜封装层远离所述发光层的表面设置有多个凸起部,所述凸起部和透镜部间隔设置。
在本申请实施方式提供的所述显示面板中,所述凸起部和透镜部的采用相同的材料。
有益效果
本申请所提供的显示面板的有益效果是:本申请实施方式所提供的显示面板,包括基板层、发光层和多个感光元件,所述发光层包括多个像素单元,多个所述感光元件设置在所述多个像素单元之间,所述感光元件感测经指纹反射的由所述像素单元发出的光线进行指纹识别,从而使得在利用所述发光层发出的光线进行显示的同时,当手指与所述显示面板贴合时,发光层的光线经手指反射至所述感光元件,所述感光元件接收所述光线进行指纹识别,因此,实现了屏下指纹识别的显示面板。
附图说明
为了更清楚地说明本申请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申请的一些实施例,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为本申请提供的显示面板的第一种实施方式的剖面图。
图2为本申请提供的显示面板的第二种实施方式的示意图。
图3为本申请提供的显示面板的第三种实施方式的示意图。
图4为本申请提供的显示面板的子像素的电路连接图。
图5为本申请提供的显示面板的感光元件的第一种电路连接图。
图6为本申请提供的显示面板的感光元件的第二种电路连接图。
图7为本申请提供的显示面板的第四种实施方式的剖面图。
图8为本申请提供的显示面板的第五种实施方式的剖面图。
图9为本申请提供的显示面板的第六种实施方式的剖面图。
图10为本申请提供的显示面板的指纹识别单元的第一种示意图。
图11为本申请提供的显示面板的指纹识别单元的第二种示意图。
本发明的实施方式
下面将结合本申请实施方式中的附图,对本申请中的技术方案进行清楚、完整地描述。显然,所描述的实施方式仅仅是本申请一部分实施方式,而不是全部的实施方式。基于本申请中的实施方式,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式,都属于本申请保护的范围。
请参阅图1,本申请提供一种可以进行屏下指纹识别的显示面板10。
所述显示面板10包括基板层11、发光层12和多个感光元件13。
所述基板层11包括衬底基板111和电路层112。所述发光层12设置于所述基板层11上。所述电路层112设置于所述衬底基板111和所述发光层12之间。所述发光层12包括多个像素单元121。多个所述感光元件13设置在所述多个像素单元121之间,所述感光元件13设置在所述像素单元121之间的间隙内。所述感光元件13用于感测经指纹反射的由所述像素单元121发出的光线进行指纹识别。
所述电路层112包括薄膜晶体管(thin film transistor,TFT)1121。所述TFT1121包括源漏极1121a,所述感光元件13与所述源漏极1121a电连接,所述感光元件13为图像传感器。
请参阅图2-3,每一所述像素单元121包括若干子像素1211。在一种实施方式中,每一所述像素单元121可以包括三个子像素1211。所述三个子像素1211可以为红色子像素(Red,R)1211、绿色子像素(Green,G)1211和蓝色子像素(Blue,B)1211。
一个像素单元121和一个感光元件(Photosensitive element,P)13形成一个光电单元14。所述显示面板10可以包括多个指纹识别单元15。每一指纹识别单元15可以包括多个光电单元14。
在一种实施方式中,每一指纹识别单元15内设置有三个所述光电单元14。每一所述光电单元14中的子像素1211和感光元件(P)13均按照RGBP的方式排列,以简化制造工艺,提高成品率。在其他实施方式中,每一指纹识别单元15内也可以包括四个光电单元14。在四个光电单元14中,所述感光元件(P)13均错开设置,呈现出RGBP、RGPB、RPGB和PRGB的排列方式,从而提高感光元件(P)13的均匀性,提高识别精度。
在一种实施方式中,所述感光元件13设置于所述发光层12中。所述感光元件13可以位于所述电路层112上。所述感光元件13可以与所述发光层12的阳极层122同层设置。
请参阅图4,所述子像素1211的电路连接图可以如图4所示。请参阅图5-6,所述感光元件13的电路连接图可以为图5所示的方式,也可以为图6所示的方式。
请参阅图7,在一种实施方式中,所述感光元件13设置于所述衬底基板远离所述发光层12的一侧。具体的,可以在所述基板层11远离所述发光层12的一侧设置一过滤层16。所述感光元件13设置于所述过滤层16远离所述基板层11的一侧。所述过滤层16上开设有多个通孔161。所述经指纹反射的由所述像素单元121发出的光线经过所述通孔161,从而使得所述感光元件13接收所述光线,进行指纹识别。
请参阅图8,在一种实施方式中,所述感光元件13还可以为互补金属氧化物半导体(Complementary MetalOxideSemiconductor,CMOS)光电二极管。所述感光元件13设置于所述基板层11的电路层112。
请参阅图1,所述显示面板10还包括透镜部170。所述透镜部170设置于所述显示面板10的发光层12上。所述阴极层123覆盖所述发光层12和所述透镜部170。所述透镜部170夹设于所述发光层12和所述阴极层123之间。所述阴极层123在所述透镜部170上形成抬升部171。所述透镜部170和所述像素单元121错开设置。所述透镜部170和所述感光元件13一一对应。至少部分所述透镜部170设置于所述感光元件13的光路上,所述经指纹反射的由所述像素单元121发出的光线经过所述透镜部170到达所述感光元件13。
在所述阴极层123上还设置有薄膜封装层172。所述薄膜封装层172覆盖所述阴极层123。所述薄膜封装层172包括凸起部1720。所述凸起部1720设置于所述薄膜封装层172的远离所述阴极层123的表面。所述凸起部1720和透镜部170间隔设置。所述凸起部1720、透镜部170和感光元件13一一对应。所述凸起部1720、透镜部170位于所述感光元件13的光路上。所述经指纹反射的由所述像素单元131发出的光线经过所述凸起部1720和透镜部170到达所述感光元件13。所述透镜部170和所述第二凸起1720共同调节所述经指纹反射的由所述像素单元121发出的光线,从而提高所述显示面板10的指纹识别功能的灵敏度。所述凸起部和透镜部的可以采用相同的材料,例如,聚苯乙烯。
所述显示面板10还可以包括保护层18。所述保护层18设置于所述光线调节层17上,以保护所述光线调节层17。所述保护层18可以为玻璃。
请参阅图1、10和11,在所述光线调节层17和所述保护层18之间还可以设置有触控层19。
所述触控层19包括若干相互绝缘的触控单元190。每一触控单元190对应一个光电单元14。
本申请实施方式所提供的显示面板,包括基板层、发光层和多个感光元件,所述发光层包括多个像素单元,多个所述感光元件设置在所述多个像素单元之间,所述感光元件感测经指纹反射的由所述像素单元发出的光线进行指纹识别,从而使得在利用所述发光层发出的光线进行显示的同时,当手指与所述显示面板贴合时,发光层的光线经手指反射至所述感光元件,所述感光元件接收所述光线进行指纹识别,因此,实现了屏下指纹识别的显示面板。
以上对本申请实施方式提供的显示面板进行了详细介绍,本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施方式的说明只是用于帮助理解本申请。同时,对于本领域的技术人员,依据本申请的思想,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申请的限制。

Claims (20)

  1. 一种显示面板,包括:
    基板层;
    设置在所述基板层上的发光层,所述发光层包括多个像素单元;
    感光元件,所述感光元件设置在所述像素单元之间,所述感光元件用于感测经指纹反射的由所述像素单元发出的光线进行指纹识别,所述感光元件为图像传感器。
  2. 如权利要求1所述的显示面板,其中,所述基板层包括衬底基板,所述感光元件设置在所述衬底基板和发光层之间。
  3. 如权利要求2所述的显示面板,其中,所述发光层包括阳极层,所述感光元件与所述阳极层同层设置。
  4. 如权利要求3所述的显示面板,其中,所述衬底基板和发光层之间设置有薄膜晶体管(thin film transistor,TFT),所述TFT包括源漏极,所述感光元件与所述源漏极电连接。
  5. 如权利要求1所述的显示面板,其中,所述基板层包括衬底基板,所述感光元件设置于所述衬底基板远离所述发光层的一侧。
  6. 如权利要求5所述的显示面板,其中,所述衬底基板远离所述发光层的一侧设置有过滤层,所述过滤层上设置有通孔,所述感光元件设置于所述通孔中。
  7. 如权利要求1所述的显示面板,其中,所述显示面板还包括透镜部,所述透镜部设置于所述显示面板的发光层之上,且至少部分所述透镜部设置于所述感光元件的光路上。
  8. 如权利要求7所述的显示面板,其中,所述显示面板还包括薄膜封装层,所述薄膜封装层覆盖所述发光层和所述透镜部。
  9. 如权利要求8所述的显示面板,其中,所述薄膜封装层远离所述发光层的表面设置有多个凸起部,所述凸起部和透镜部间隔设置。
  10. 如权利要求9所述的显示面板,其中,所述凸起部和透镜部采用相同的材料。
  11. 一种显示面板,包括:
    基板层;
    设置在所述基板层上的发光层,所述发光层包括多个像素单元;
    感光元件,所述感光元件设置在所述像素单元之间,所述感光元件用于感测经指纹反射的由所述像素单元发出的光线进行指纹识别。
  12. 如权利要求11所述的显示面板,其中,所述基板层包括衬底基板,所述感光元件设置在所述衬底基板和发光层之间。
  13. 如权利要求12所述的显示面板,其中,所述发光层包括阳极层,所述感光元件与所述阳极层同层设置。
  14. 如权利要求13所述的显示面板,其中,所述衬底基板和发光层之间设置有薄膜晶体管(thin film transistor,TFT),所述TFT包括源漏极,所述感光元件与所述源漏极电连接。
  15. 如权利要求11所述的显示面板,其中,所述基板层包括衬底基板,所述感光元件设置于所述衬底基板远离所述发光层的一侧。
  16. 如权利要求15所述的显示面板,其中,所述衬底基板远离所述发光层的一侧设置有过滤层,所述过滤层上设置有通孔,所述感光元件设置于所述通孔中。
  17. 如权利要求11所述的显示面板,其中,所述显示面板还包括透镜部,所述透镜部设置于所述显示面板的发光层之上,且至少部分所述透镜部设置于所述感光元件的光路上。
  18. 如权利要求17所述的显示面板,其中,所述显示面板还包括薄膜封装层,所述薄膜封装层覆盖所述发光层和所述透镜部。
  19. 如权利要求18所述的显示面板,其中,所述薄膜封装层远离所述发光层的表面设置有多个凸起部,所述凸起部和透镜部间隔设置。
  20. 如权利要求19所述的显示面板,其中,所述凸起部和透镜部采用相同的材料。
PCT/CN2018/113955 2018-09-12 2018-11-05 显示面板 WO2020052029A1 (zh)

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CN110222600A (zh) * 2019-05-22 2019-09-10 武汉华星光电技术有限公司 显示面板和电子设备
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