WO2020191852A1 - Display device and manufacturing method thereof - Google Patents

Display device and manufacturing method thereof Download PDF

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Publication number
WO2020191852A1
WO2020191852A1 PCT/CN2019/084544 CN2019084544W WO2020191852A1 WO 2020191852 A1 WO2020191852 A1 WO 2020191852A1 CN 2019084544 W CN2019084544 W CN 2019084544W WO 2020191852 A1 WO2020191852 A1 WO 2020191852A1
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WO
WIPO (PCT)
Prior art keywords
display
pixel unit
display device
unit
photoelectric sensing
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Application number
PCT/CN2019/084544
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French (fr)
Chinese (zh)
Inventor
孙佳佳
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
Publication of WO2020191852A1 publication Critical patent/WO2020191852A1/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/22—Control 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 using controlled light sources
    • G09G3/30—Control 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 using controlled light sources using electroluminescent panels
    • G09G3/32—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels

Definitions

  • This application relates to the field of display technology, and in particular to a display device and a manufacturing method thereof.
  • Smart devices such as smartphones and tablet computers have been widely used in people's lives.
  • smart mobile devices can be used to obtain real-time information, communication, photography, and entertainment, making them popular with people.
  • Full-screen mobile smart devices are favored by consumers because of their high screen-to-body ratio and good display effects. However, because the front camera of the mobile smart device needs to occupy part of the display area, the mobile smart device cannot achieve 100% screen-to-body ratio.
  • the purpose of this application is to provide a display device and a manufacturing method thereof, the display device having a full screen.
  • a display device the display device includes a plurality of display sensing units, each of the display sensing units includes at least one display pixel unit and at least one photoelectric sensing unit, the display pixel unit is used to generate a light signal to make the The display device displays an image, and the photoelectric sensing unit is used to receive a target light signal outside the display device and convert the target light signal into an analog electrical signal.
  • the display device further includes an image drive chip connected to the photoelectric sensing unit and a display drive chip connected to the display pixel unit, and the image drive chip is electrically connected to the display drive chip ,
  • the image drive chip is used to receive the analog electrical signal and convert the analog electrical signal into a digital electrical signal
  • the display drive chip is used to receive the digital electrical signal and convert the digital electrical signal into data Signal
  • the display pixel unit is used to receive the data signal to display an image corresponding to the target light signal.
  • the display device further includes a first switch and a second switch, the first switch is connected between the display drive chip and the display pixel unit, and the second switch is connected to the Between the image driving chip and the photoelectric sensing unit, when the first switch is turned on, the display driving chip outputs the data signal to the display pixel unit; when the second switch is turned on, the The photoelectric sensing unit outputs the analog electrical signal to the image driving chip.
  • the first switch and the second switch are both thin film transistors.
  • the display device further includes a thin film transistor array layer, and the thin film transistor array layer includes the first switch and the second switch.
  • the display sensing unit is arranged in an array on the thin film transistor array layer, the display pixel unit is arranged corresponding to the first switch, and the photoelectric sensing unit is arranged corresponding to the second switch .
  • each display sensing unit includes one display pixel unit and two photoelectric sensing units.
  • two of the photoelectric sensing units are arranged in the same row as the display pixel unit, or, while one of the photoelectric sensing units and the display pixel unit are arranged in the same row, the other photoelectric sensing unit It is arranged in the same column as the display pixel unit.
  • each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit.
  • the first pixel unit is used to emit red light
  • the second pixel unit is used to emit red light.
  • Green light the third pixel unit is used to emit blue light
  • the first pixel unit, the second pixel unit, and the third pixel unit are all organic light emitting diodes.
  • a manufacturing method of a display device includes the following steps:
  • a plurality of display sensing units arranged in an array are formed on the substrate, and the display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit.
  • the substrate is a thin film transistor array substrate
  • the thin film transistor array substrate includes a substrate and a thin film transistor array layer formed on the substrate
  • the thin film transistor array layer includes a plurality of A first thin film transistor and a plurality of second thin film transistors.
  • the display pixel unit is provided corresponding to the first thin film transistor
  • the photo sensor unit is provided corresponding to the second thin film transistor.
  • each of the display sensing units includes one display pixel unit and two photoelectric sensing units.
  • two of the photoelectric sensing units are arranged in the same row as the display pixel unit, or, while one of the photoelectric sensing units and the display pixel unit are arranged in the same row, the other The photoelectric sensing unit and the display pixel unit are arranged in the same column.
  • each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, the first pixel unit is used to emit red light, and the second pixel unit It is used to emit green light, the third pixel unit is used to emit blue light, and the first pixel unit, the second pixel unit and the third pixel unit are all organic light emitting diodes.
  • the manufacturing method further includes the following steps:
  • a second planarization layer covering the microlens and the first planarization layer is formed.
  • the present application provides a display device and a manufacturing method thereof.
  • a display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to achieve a photographing function are simultaneously integrated into a display sensing unit to display While the device has the functions of display and photographing, the screen-to-body ratio of the display device is 100%.
  • FIG. 1 is a schematic diagram of a display device according to an embodiment of the application.
  • FIG. 2 is a first schematic diagram of a display sensing unit in the display device shown in FIG. 1;
  • FIG. 3 is a cross-sectional view of a display device having the display sensing unit shown in FIG. 2;
  • FIG. 4 is a circuit frame diagram of a display device having the display sensing unit shown in FIG. 2;
  • FIG. 5 is a second schematic diagram of a display sensing unit in the display device shown in FIG. 1;
  • FIG. 6 is a third schematic diagram of a display sensing unit in the display device shown in FIG. 1.
  • FIG. 1 is a schematic diagram of a display device according to an embodiment of the application.
  • the display device 100 is a full-screen electronic mobile device or tablet computer.
  • the display device 100 includes a plurality of display sensing units, and each display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit.
  • the display pixel unit is used to generate light signals to make the display device 100 display an image.
  • the photoelectric sensing unit is used to receive the target light signal outside the display device 100 and convert the target light signal into an analog electric signal.
  • the display device in the embodiment of the present application integrates a display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to achieve a photographing function into one display sensing unit at the same time, so that the display device has display and photographing capabilities. While functioning, the screen-to-body ratio of the display device is 100%.
  • FIG. 2 is a first schematic diagram of a display sensing unit in the display device shown in FIG. 1.
  • the display sensing unit 10 includes a display pixel unit 101 and a photoelectric sensing unit 102.
  • the display pixel unit 101 and the photoelectric sensing unit 102 are arranged in the same column.
  • a display pixel unit 101 includes a first pixel unit R, a second pixel unit G, and a third pixel unit B.
  • the first pixel unit R is used to emit red light
  • the second pixel unit G is used to emit green light
  • the third pixel unit B is used to emit blue light.
  • the first pixel unit R, the second pixel unit G, and the third pixel unit B are all organic light emitting diodes.
  • the organic light emitting diode includes an anode, an organic light emitting layer, and a cathode.
  • the organic light-emitting layer is a fluorescent light-emitting material or a phosphorescent light-emitting material.
  • the organic light emitting layer of the first pixel unit R is an organic material emitting red light
  • the organic light emitting layer of the second pixel unit G is an organic material emitting green light
  • the organic light emitting layer of the third pixel unit B is an organic material emitting blue light.
  • the anode is a metal and/or transparent conductive material.
  • the cathode is metal or/and transparent semi-conductive material.
  • the first pixel unit R, the second pixel unit G, and the third pixel unit B in the display pixel unit 101 may be arranged in the same row, or may be arranged alternately with each other.
  • the photo sensor unit 102 may be arranged in the same row with any one of the first pixel unit R, the second pixel unit G, and the third pixel unit B, and arranged alternately with the other two. This application is not specifically limited.
  • FIG. 3 is a cross-sectional view of a display device having the display sensing unit shown in FIG. 2.
  • the display device 100 includes a substrate, a thin film transistor array layer 103, a display pixel unit 101, a photo sensor unit 102, an electrode 107, a light shielding film 106, a color filter film 105, a microlens 104, a first planarization layer 108, and a second Flattening layer 109.
  • the thin film transistor array layer 103 is formed on the substrate.
  • the thin film transistor array layer 103 includes a plurality of first switches (not shown) and a plurality of second switches (not shown), both of which are thin film
  • the transistor, the first switch and the second switch are made in the same layer through the same process.
  • the display sensing unit is arrayed on the thin film transistor array layer 103.
  • the display pixel unit 101 and the photoelectric sensing unit 102 are formed on the side of the thin film transistor array layer 103 away from the substrate, and the display pixel unit 101 is provided corresponding to the first switch ,
  • the photoelectric sensing unit 102 is disposed corresponding to the second switch, that is, the display pixel unit 101 is disposed above the first switch, and the photoelectric sensing unit 102 is disposed above the second switch.
  • the electrode 107 is formed on the side of the photoelectric sensing unit 102 away from the substrate, the electrode 107 is located at two ends of the photoelectric sensing unit 102, and the photoelectric sensing unit 102 outputs analog electrical signals through the electrode 107.
  • the light shielding film 106 is located on the side of the electrode 107 away from the photoelectric sensing unit 102.
  • the light shielding film 106 exposes a part of the photoelectric sensing unit 102 to receive light signals and shield non-target light signals to avoid non-target light signals from generating target light signals. interference.
  • the first planarization layer 108 and the second planarization layer 109 are used to make the surface of the display device smoother. Both the first planarization layer 108 and the second planarization layer 109 are made of transparent materials.
  • the microlens 104 is used to focus the target light signal. After the target light signal passes through the color filter film 105, the target light signal filtered by the color filter film 105 is received by the photoelectric sensing unit 102 and converted into an analog electrical signal.
  • FIG. 4 is a circuit frame diagram of the display device with the display sensing unit shown in FIG.
  • the display device 100 further includes an image driving chip 11, a display driving chip 12, a first switch S1, and a second switch S2.
  • the image driving chip 11 is connected to the photo sensor unit 102.
  • a second switch S2 is provided between the image driving chip 11 and the photoelectric sensing unit 102.
  • the display driving chip 12 is connected to the display pixel unit 101.
  • the first switch S1 is arranged between the display driving chip 12 and the display pixel unit 101.
  • the image driving chip 11 and the display driving chip 12 are electrically connected.
  • the display driver chip 12 is directly or indirectly bound to the display device 100, and the display driver chip 12 is a source driver chip.
  • the photo sensor unit 102 is composed of a photo transistor.
  • the photoelectric sensing unit 102 When the display device 100 does not need to use the camera function but needs to use the display function, the photoelectric sensing unit 102 does not work, and the first switch S1 is turned on so that the display driving chip 12 outputs a data signal to the display pixel unit 101 to make the display pixel unit 101 emit light , So that the display device displays the image.
  • the photoelectric sensing unit 102 receives the target light signal and converts the target light signal into an analog electric signal.
  • the second switch S2 is turned on so that the photoelectric sensing unit 102 transmits the analog electric signal to the image driving chip 11, and the image driving chip 11 converts the analog electric signal into a digital electric signal.
  • the image driving chip 11 outputs digital electrical signals to the display driving chip 12.
  • the display driving chip 12 receives the digital electric signal and converts the digital electric signal into a data signal.
  • the first switch S1 is turned on to enable the display driving chip 12 to output a data signal to the display pixel unit 101, and the display pixel unit 101 displays an image corresponding to the target light signal according to the data signal.
  • FIG. 5 is a second schematic diagram of a display sensing unit in the display device shown in FIG.
  • the display sensing unit 10 includes a display pixel unit 101 and two photoelectric sensing units 102.
  • the two photoelectric sensing units 102 are arranged in the same row as the display pixel unit 101.
  • the arrangement of the display sensing unit 10 can also be that one photoelectric sensing unit 102 is arranged in the same row as the display pixel unit 101, and the other photoelectric sensing unit 102 is arranged in the same row as the display pixel unit 101.
  • the first pixel unit R, the second pixel unit G, and the third pixel unit B in the display pixel unit 101 can also be arranged in other ways, and are not limited to being arranged in the same row. Accordingly, the photoelectric sensing unit 102 can be different from The pixel units (including the first pixel unit R, the second pixel unit G, and the third pixel unit B) are arranged in the same row or staggered.
  • FIG. 6 is a third schematic diagram of the display sensing unit in the display device shown in FIG.
  • the display sensing unit 10 includes two display pixel units 101 and two photoelectric sensing units 102. While one display pixel unit 101 and one photoelectric sensing unit 102 are arranged in the same row, the display pixel unit 101 and the other photoelectric sensing unit 102 are arranged in the same row, and two photoelectric sensing units 102 are arranged on a diagonal line.
  • the display pixel unit can be matched with one or more photoelectric sensing units to form a display sensing unit; or, a plurality of display pixel units can be matched with a photoelectric sensing unit to form a display sensing unit.
  • the design of the display induction unit can be selected according to the needs of the actual product.
  • the area corresponding to the display pixel unit is a light-emitting area
  • the area corresponding to the photoelectric sensing unit is a non-light-emitting area.
  • the area corresponding to the photoelectric sensing unit needs a transparent channel so that the target light signal can be injected and received by the photoelectric sensing unit.
  • the present application also provides a manufacturing method of a display device.
  • the manufacturing method includes the following steps:
  • a thin film transistor array substrate includes a substrate and a thin film transistor array layer formed on the substrate.
  • the substrate is a flexible substrate or transparent glass.
  • the thin film transistor array layer includes a plurality of first thin film transistors and a plurality of second thin film transistors.
  • the first thin film transistor is a first switch
  • the second thin film transistor is a second switch.
  • S11 A plurality of display sensing units arranged in an array are formed on the substrate.
  • Each display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit.
  • the display pixel unit is arranged corresponding to the first thin film transistor, and the first thin film transistor controls the display pixel unit to receive a data signal to display an image.
  • the photo sensor unit is arranged corresponding to the second thin film transistor, and the second thin film transistor controls the photo sensor unit to output analog electrical signals.
  • the manufacturing method of the display device further includes: sequentially forming an electrode, a light shielding film, and a color filter film above each photoelectric sensing unit, and then forming a first planarization layer covering the color filter film, the display pixel unit and the thin film transistor array substrate ; Next, a microlens is formed on the first planarization layer and above the corresponding color filter film; finally, a second planarization layer covering the microlens and the first planarization layer is formed.
  • the manufacturing method of the display device of the present application integrates a display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to realize the photographing function into one display sensing unit, so that the display device can display and photograph At the same time, the screen-to-body ratio of the display device is 100%.

Abstract

Provided are a display device and a manufacturing method thereof, wherein the display pixel unit (101) for displaying images and the photoelectric sensing unit (102) for receiving external target light signals to realize the photographing function are simultaneously integrated in one display sensing unit (10), such that the display device has the functions of displaying and photographing, and the screen-to-body ratio of the display device is 100%.

Description

显示装置及其制造方法Display device and manufacturing method thereof 技术领域Technical field
本申请涉及显示技术领域，尤其涉及显示装置及其制造方法。This application relates to the field of display technology, and in particular to a display device and a manufacturing method thereof.
背景技术Background technique
智能手机、平板电脑等智能设备已经广泛应用于人们的生活当中。在信息时代，智能移动设备可以用于获取实时信息、通讯、拍照以及娱乐，使得其获得人们的喜爱。Smart devices such as smartphones and tablet computers have been widely used in people's lives. In the information age, smart mobile devices can be used to obtain real-time information, communication, photography, and entertainment, making them popular with people.
全面屏的移动智能设备由于具有高屏占比以及良好的显示效果而受到广大消费者的喜爱。但是由于移动智能设备的前置摄像头需要占用部分显示区域，导致移动智能设备无法实现百分之百的屏占比。Full-screen mobile smart devices are favored by consumers because of their high screen-to-body ratio and good display effects. However, because the front camera of the mobile smart device needs to occupy part of the display area, the mobile smart device cannot achieve 100% screen-to-body ratio.
因此，如何使移动智能设备实现全面屏是具有实际应用价值的研究方向。Therefore, how to make mobile smart devices realize full screen is a research direction with practical application value.
技术问题technical problem
本申请的目的在于提供一种显示装置及其制造方法，该显示装置具有全面屏。The purpose of this application is to provide a display device and a manufacturing method thereof, the display device having a full screen.
技术解决方案Technical solutions
一种显示装置，所述显示装置包括多个显示感应单元，每个所述显示感应单元包括至少一显示像素单元以及至少一光电感应单元，所述显示像素单元用于产生光信号以使所述显示装置显示图像，所述光电感应单元用于接收所述显示装置之外的目标光信号并将所述目标光信号转化为模拟电信号。A display device, the display device includes a plurality of display sensing units, each of the display sensing units includes at least one display pixel unit and at least one photoelectric sensing unit, the display pixel unit is used to generate a light signal to make the The display device displays an image, and the photoelectric sensing unit is used to receive a target light signal outside the display device and convert the target light signal into an analog electrical signal.
在上述显示装置中，所述显示装置还包括与所述光电感应单元连接的图像驱动芯片以及与所述显示像素单元连接的显示驱动芯片，所述图像驱动芯片与所述显示驱动芯片电性连接，所述图像驱动芯片用于接收所述模拟电信号并将所述模拟电信号转化为数字电信号，所述显示驱动芯片用于接收所述数字电信号并将所述数字电信号转化为数据信号，所述显示像素单元用于接收所述数据信号以显示所述目标光信号对应的图像。In the above display device, the display device further includes an image drive chip connected to the photoelectric sensing unit and a display drive chip connected to the display pixel unit, and the image drive chip is electrically connected to the display drive chip , The image drive chip is used to receive the analog electrical signal and convert the analog electrical signal into a digital electrical signal, and the display drive chip is used to receive the digital electrical signal and convert the digital electrical signal into data Signal, the display pixel unit is used to receive the data signal to display an image corresponding to the target light signal.
在上述显示装置中，所述显示装置还包括第一开关和第二开关，所述第一开关连接于所述显示驱动芯片和所述显示像素单元之间，所述第二开关连接于所述图像驱动芯片和所述光电感应单元之间，所述第一开关导通时，所述显示驱动芯片将所述数据信号输出至所述显示像素单元；所述第二开关导通时，所述光电感应单元将所述模拟电信号输出至所述图像驱动芯片。In the above display device, the display device further includes a first switch and a second switch, the first switch is connected between the display drive chip and the display pixel unit, and the second switch is connected to the Between the image driving chip and the photoelectric sensing unit, when the first switch is turned on, the display driving chip outputs the data signal to the display pixel unit; when the second switch is turned on, the The photoelectric sensing unit outputs the analog electrical signal to the image driving chip.
在上述显示装置中，所述第一开关和所述第二开关均为薄膜晶体管。In the above display device, the first switch and the second switch are both thin film transistors.
在上述显示装置中，所述显示装置还包括薄膜晶体管阵列层，所述薄膜晶体管阵列层包括所述第一开关和所述第二开关。In the above display device, the display device further includes a thin film transistor array layer, and the thin film transistor array layer includes the first switch and the second switch.
在上述显示装置中，所述显示感应单元阵列地设置于所述薄膜晶体管阵列层上，所述显示像素单元与所述第一开关对应设置，所述光电感应单元与所述第二开关对应设置。In the above display device, the display sensing unit is arranged in an array on the thin film transistor array layer, the display pixel unit is arranged corresponding to the first switch, and the photoelectric sensing unit is arranged corresponding to the second switch .
在上述显示装置中，每个所述显示感应单元包括一所述显示像素单元以及两个所述光电感应单元。In the above display device, each display sensing unit includes one display pixel unit and two photoelectric sensing units.
在上述显示装置中，两个所述光电感应单元与所述显示像素单元同排设置，或，一个所述光电感应单元与所述显示像素单元同排设置的同时，另一个所述光电感应单元与所述显示像素单元同列设置。In the above display device, two of the photoelectric sensing units are arranged in the same row as the display pixel unit, or, while one of the photoelectric sensing units and the display pixel unit are arranged in the same row, the other photoelectric sensing unit It is arranged in the same column as the display pixel unit.
在上述显示装置中，每个所述显示像素单元包括第一像素单元、第二像素单元以及第三像素单元，所述第一像素单元用于发出红光，所述第二像素单元用于发出绿光，所述第三像素单元用于发出蓝光，所述第一像素单元、所述第二像素单元以及所述第三像素单元均为有机发光二极管。In the above display device, each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit. The first pixel unit is used to emit red light, and the second pixel unit is used to emit red light. Green light, the third pixel unit is used to emit blue light, and the first pixel unit, the second pixel unit, and the third pixel unit are all organic light emitting diodes.
一种显示装置的制造方法，所述制造方法包括如下步骤：A manufacturing method of a display device, the manufacturing method includes the following steps:
提供一基板；Provide a substrate;
于所述基板上形成多个阵列排布的显示感应单元，所述显示感应单元包括至少一显示像素单元以及至少一光电感应单元。A plurality of display sensing units arranged in an array are formed on the substrate, and the display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit.
在上述显示装置的制造方法中，所述基板为薄膜晶体管阵列基板，所述薄膜晶体管阵列基板包括衬底以及形成于所述衬底上的薄膜晶体管阵列层，所述薄膜晶体管阵列层包括多个第一薄膜晶体管和多个第二薄膜晶体管。In the manufacturing method of the above display device, the substrate is a thin film transistor array substrate, the thin film transistor array substrate includes a substrate and a thin film transistor array layer formed on the substrate, and the thin film transistor array layer includes a plurality of A first thin film transistor and a plurality of second thin film transistors.
在上述显示装置的制造方法中，所述显示像素单元对应所述第一薄膜晶体管设置，所述光电感应单元对应所述第二薄膜晶体管设置。In the above manufacturing method of the display device, the display pixel unit is provided corresponding to the first thin film transistor, and the photo sensor unit is provided corresponding to the second thin film transistor.
在上述显示装置的制造方法中，每个所述显示感应单元包括一个所述显示像素单元以及两个所述光电感应单元。In the above manufacturing method of the display device, each of the display sensing units includes one display pixel unit and two photoelectric sensing units.
在上述显示装置的制造方法中，两个所述光电感应单元与所述显示像素单元同排设置，或，一个所述光电感应单元与所述显示像素单元同排设置的同时，另一个所述光电感应单元与所述显示像素单元同列设置。In the manufacturing method of the above display device, two of the photoelectric sensing units are arranged in the same row as the display pixel unit, or, while one of the photoelectric sensing units and the display pixel unit are arranged in the same row, the other The photoelectric sensing unit and the display pixel unit are arranged in the same column.
在上述显示装置的制造方法中，每个所述显示像素单元包括第一像素单元、第二像素单元以及第三像素单元，所述第一像素单元用于发出红光，所述第二像素单元用于发出绿光，所述第三像素单元用于发出蓝光，所述第一像素单元、所述第二像素单元以及所述第三像素单元均为有机发光二极管。In the manufacturing method of the above display device, each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, the first pixel unit is used to emit red light, and the second pixel unit It is used to emit green light, the third pixel unit is used to emit blue light, and the first pixel unit, the second pixel unit and the third pixel unit are all organic light emitting diodes.
在上述显示装置的制造方法中，所述制造方法还包括如下步骤：In the above manufacturing method of the display device, the manufacturing method further includes the following steps:
于每个所述光电感应单元上方依次形成电极、光屏蔽膜以及彩膜滤光膜；Forming an electrode, a light shielding film, and a color filter film in sequence above each photoelectric sensing unit;
形成覆盖所述彩色滤光膜、所述显示像素单元以及所述基板的第一平坦化层；Forming a first planarization layer covering the color filter film, the display pixel unit and the substrate;
于所述第一平坦化层上且对应所述彩色滤光膜的上方形成微透镜；Forming a micro lens on the first planarization layer and corresponding to the color filter film;
形成覆盖所述微透镜以及所述第一平坦化层的第二平坦化层。A second planarization layer covering the microlens and the first planarization layer is formed.
有益效果Beneficial effect
本申请提供一种显示装置及其制造方法，通过将用于显示图像的显示像素单元以及用于接收外界目标光信号以实现拍照功能的光电感应单元同时集成于一个显示感应单元中，以使显示装置具有显示和拍照的功能的同时，显示装置的屏占比为百分之百。The present application provides a display device and a manufacturing method thereof. A display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to achieve a photographing function are simultaneously integrated into a display sensing unit to display While the device has the functions of display and photographing, the screen-to-body ratio of the display device is 100%.
附图说明Description of the drawings
图1为本申请实施例显示装置的示意图；FIG. 1 is a schematic diagram of a display device according to an embodiment of the application;
图2为图1所示显示装置中一个显示感应单元的第一种示意图；2 is a first schematic diagram of a display sensing unit in the display device shown in FIG. 1;
图3为具有图2所示显示感应单元的显示装置的截面图；3 is a cross-sectional view of a display device having the display sensing unit shown in FIG. 2;
图4为具有图2所示显示感应单元的显示装置的电路框架图；4 is a circuit frame diagram of a display device having the display sensing unit shown in FIG. 2;
图5为图1所示显示装置中的一个显示感应单元的第二种示意图；5 is a second schematic diagram of a display sensing unit in the display device shown in FIG. 1;
图6为图1所示显示装置中的一个显示感应单元的第三种示意图。FIG. 6 is a third schematic diagram of a display sensing unit in the display device shown in FIG. 1.
本发明的实施方式Embodiments of the invention
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of this application.
请参阅图1，其为本申请实施例显示装置的示意图。显示装置100为全面屏的电子移动设备或平板电脑。显示装置100括多个显示感应单元，每个显示感应单元包括至少一显示像素单元和至少一光电感应单元。显示像素单元用于产生光信号以使显示装置100显示图像。光电感应单元用于接收显示装置100之外的目标光信号并将目标光信号转化为模拟电信号。Please refer to FIG. 1, which is a schematic diagram of a display device according to an embodiment of the application. The display device 100 is a full-screen electronic mobile device or tablet computer. The display device 100 includes a plurality of display sensing units, and each display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit. The display pixel unit is used to generate light signals to make the display device 100 display an image. The photoelectric sensing unit is used to receive the target light signal outside the display device 100 and convert the target light signal into an analog electric signal.
本申请实施例显示装置通过将用于显示图像的显示像素单元以及用于接收外界目标光信号以实现拍照功能的光电感应单元同时集成于一个显示感应单元中，以使显示装置具有显示和拍照的功能的同时，显示装置的屏占比为百分之百。The display device in the embodiment of the present application integrates a display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to achieve a photographing function into one display sensing unit at the same time, so that the display device has display and photographing capabilities. While functioning, the screen-to-body ratio of the display device is 100%.
请参阅图2，其为图1所示显示装置中一个显示感应单元的第一种示意图。显示感应单元10包括一个显示像素单元101和一个光电感应单元102。显示像素单元101和光电感应单元102同列设置。一个显示像素单元101包括第一像素单元R、第二像素单元G以及第三像素单元B，第一像素单元R用于发出红光，第二像素单元G用于发出绿光，第三像素单元B用于发出蓝光。第一像素单元R、第二像素单元G以及第三像素单元B均为有机发光二极管。有机发光二极管包括阳极、有机发光层以及阴极。有机发光层为荧光发光材料或磷光发光材料。第一像素单元R的有机发光层为发出红光的有机材料，第二像素单元G的有机发光层为发出绿光的有机材料，第三像素单元B的有机发光层为发出蓝光的有机材料。阳极为金属和/或透明导电材料。阴极为金属或/和透明半导电材料。Please refer to FIG. 2, which is a first schematic diagram of a display sensing unit in the display device shown in FIG. 1. The display sensing unit 10 includes a display pixel unit 101 and a photoelectric sensing unit 102. The display pixel unit 101 and the photoelectric sensing unit 102 are arranged in the same column. A display pixel unit 101 includes a first pixel unit R, a second pixel unit G, and a third pixel unit B. The first pixel unit R is used to emit red light, the second pixel unit G is used to emit green light, and the third pixel unit B is used to emit blue light. The first pixel unit R, the second pixel unit G, and the third pixel unit B are all organic light emitting diodes. The organic light emitting diode includes an anode, an organic light emitting layer, and a cathode. The organic light-emitting layer is a fluorescent light-emitting material or a phosphorescent light-emitting material. The organic light emitting layer of the first pixel unit R is an organic material emitting red light, the organic light emitting layer of the second pixel unit G is an organic material emitting green light, and the organic light emitting layer of the third pixel unit B is an organic material emitting blue light. The anode is a metal and/or transparent conductive material. The cathode is metal or/and transparent semi-conductive material.
显示像素单元101中的第一像素单元R、第二像素单元G以及第三像素单元B可以同排设置，也可以彼此互相交错设置。光电感应单元102可以与第一像素单元R、第二像素单元G以及第三像素单元B中的任意一者同排设置，而与其他两者交错设置。本申请不做具体地限定。The first pixel unit R, the second pixel unit G, and the third pixel unit B in the display pixel unit 101 may be arranged in the same row, or may be arranged alternately with each other. The photo sensor unit 102 may be arranged in the same row with any one of the first pixel unit R, the second pixel unit G, and the third pixel unit B, and arranged alternately with the other two. This application is not specifically limited.
请参阅图3，图3为具有图2所示显示感应单元的显示装置的截面图。显示装置100包括衬底、薄膜晶体管阵列层103、显示像素单元101、光电感应单元102、电极107、光屏蔽膜106、彩色滤光膜105、微透镜104、第一平坦化层108以及第二平坦化层109。Please refer to FIG. 3, which is a cross-sectional view of a display device having the display sensing unit shown in FIG. 2. The display device 100 includes a substrate, a thin film transistor array layer 103, a display pixel unit 101, a photo sensor unit 102, an electrode 107, a light shielding film 106, a color filter film 105, a microlens 104, a first planarization layer 108, and a second Flattening layer 109.
薄膜晶体管阵列层103形成于衬底上，薄膜晶体管阵列层103中包括多个第一开关（未示出）和多个第二开关（未示出），第一开关和第二开关均为薄膜晶体管，第一开关和第二开关是通过同一制程同层制作。显示感应单元阵列地设置于薄膜晶体管阵列层103上，具体地，显示像素单元101和光电感应单元102形成于薄膜晶体管阵列层103远离衬底的一侧，显示像素单元101与第一开关对应设置，光电感应单元102与第二开关对应设置，即显示像素单元101设置于第一开关的上方，光电感应单元102设置于第二开关的上方。电极107形成于光电感应单元102远离衬底的一侧，电极107位于光电感应单元102的两端，光电感应单元102通过电极107输出模拟电信号。光屏蔽膜106位于电极107远离光电感应单元102的一侧，光屏蔽膜106使光电感应单元102的部分区域显露以接收光信号并屏蔽非目标光信号以避免非目标光信号对目标光信号产生干扰。第一平坦化层108和第二平坦化层109用于使显示装置的表面更加平整。第一平坦化层108和第二平坦化层109均为透明材料制成。微透镜104用于使目标光信号聚焦，目标光信号经过彩色滤光膜105之后，彩色滤光膜105过滤的目标光信号的被光电感应单元102接收并转化为模拟电信号。The thin film transistor array layer 103 is formed on the substrate. The thin film transistor array layer 103 includes a plurality of first switches (not shown) and a plurality of second switches (not shown), both of which are thin film The transistor, the first switch and the second switch are made in the same layer through the same process. The display sensing unit is arrayed on the thin film transistor array layer 103. Specifically, the display pixel unit 101 and the photoelectric sensing unit 102 are formed on the side of the thin film transistor array layer 103 away from the substrate, and the display pixel unit 101 is provided corresponding to the first switch , The photoelectric sensing unit 102 is disposed corresponding to the second switch, that is, the display pixel unit 101 is disposed above the first switch, and the photoelectric sensing unit 102 is disposed above the second switch. The electrode 107 is formed on the side of the photoelectric sensing unit 102 away from the substrate, the electrode 107 is located at two ends of the photoelectric sensing unit 102, and the photoelectric sensing unit 102 outputs analog electrical signals through the electrode 107. The light shielding film 106 is located on the side of the electrode 107 away from the photoelectric sensing unit 102. The light shielding film 106 exposes a part of the photoelectric sensing unit 102 to receive light signals and shield non-target light signals to avoid non-target light signals from generating target light signals. interference. The first planarization layer 108 and the second planarization layer 109 are used to make the surface of the display device smoother. Both the first planarization layer 108 and the second planarization layer 109 are made of transparent materials. The microlens 104 is used to focus the target light signal. After the target light signal passes through the color filter film 105, the target light signal filtered by the color filter film 105 is received by the photoelectric sensing unit 102 and converted into an analog electrical signal.
请参阅图4，其为具有图2所示显示感应单元的显示装置的电路框架图。显示装置100还包括图像驱动芯片11、显示驱动芯片12、第一开关S1以及第二开关S2。Please refer to FIG. 4, which is a circuit frame diagram of the display device with the display sensing unit shown in FIG. The display device 100 further includes an image driving chip 11, a display driving chip 12, a first switch S1, and a second switch S2.
图像驱动芯片11与光电感应单元102连接。图像驱动芯片11和光电感应单元102之间设置有第二开关S2。显示驱动芯片12与显示像素单元101连接。第一开关S1设置于显示驱动芯片12和显示像素单元101之间。图像驱动芯片11和显示驱动芯片12电性连接。显示驱动芯片12直接或间接地绑定于显示装置100上，显示驱动芯片12为源极驱动芯片。光电感应单元102由光电晶体管组成。显示像素单元101由有机发光二极管组成。第一开关S1和第二开关S2均为薄膜晶体管，第一开关S1和第二开关S2均形成于图3所示显示装置100的薄膜晶体管阵列层中。The image driving chip 11 is connected to the photo sensor unit 102. A second switch S2 is provided between the image driving chip 11 and the photoelectric sensing unit 102. The display driving chip 12 is connected to the display pixel unit 101. The first switch S1 is arranged between the display driving chip 12 and the display pixel unit 101. The image driving chip 11 and the display driving chip 12 are electrically connected. The display driver chip 12 is directly or indirectly bound to the display device 100, and the display driver chip 12 is a source driver chip. The photo sensor unit 102 is composed of a photo transistor. The display pixel unit 101 is composed of organic light emitting diodes. Both the first switch S1 and the second switch S2 are thin film transistors, and both the first switch S1 and the second switch S2 are formed in the thin film transistor array layer of the display device 100 shown in FIG. 3.
显示装置100不需要使用拍照功能而需要使用显示功能时，光电感应单元102不工作，第一开关S1导通以使显示驱动芯片12向显示像素单元101输出数据信号以使显示像素单元101发出光线，从而使显示装置显示图像。显示装置100需要使用前置拍照功能并对采集的目标光信号进行显示时，光电感应单元102接收目标光信号并将目标光信号转化为模拟电信号。第二开关S2导通使得光电感应单元102将模拟电信号传输至图像驱动芯片11，图像驱动芯片11将模拟电信号转化为数字电信号。图像驱动芯片11将数字电信号输出至显示驱动芯片12。显示驱动芯片12接收数字电信号并将数字电信号转化为数据信号。第一开关S1导通以使显示驱动芯片12向显示像素单元101输出数据信号，显示像素单元101根据数据信号显示目标光信号对应的图像。When the display device 100 does not need to use the camera function but needs to use the display function, the photoelectric sensing unit 102 does not work, and the first switch S1 is turned on so that the display driving chip 12 outputs a data signal to the display pixel unit 101 to make the display pixel unit 101 emit light , So that the display device displays the image. When the display device 100 needs to use the pre-photographing function and display the collected target light signal, the photoelectric sensing unit 102 receives the target light signal and converts the target light signal into an analog electric signal. The second switch S2 is turned on so that the photoelectric sensing unit 102 transmits the analog electric signal to the image driving chip 11, and the image driving chip 11 converts the analog electric signal into a digital electric signal. The image driving chip 11 outputs digital electrical signals to the display driving chip 12. The display driving chip 12 receives the digital electric signal and converts the digital electric signal into a data signal. The first switch S1 is turned on to enable the display driving chip 12 to output a data signal to the display pixel unit 101, and the display pixel unit 101 displays an image corresponding to the target light signal according to the data signal.
请参阅图5，其为图1所示显示装置中的一个显示感应单元的第二种示意图。显示感应单元10包括一显示像素单元101和两个光电感应单元102。两个光电感应单元102与显示像素单元101同排设置。可以理解的是，显示感应单元10的排布方式也可以为一个光电感应单元102与显示像素单元101同排设置的同时，另一个光电感应单元102与显示像素单元101同列设置。显示像素单元101中的第一像素单元R、第二像素单元G以及第三像素单元B也可以采用其他的排布方式，而不局限于同排设置，相应地，光电感应单元102可以与不同的像素单元（包括第一像素单元R、第二像素单元G以及第三像素单元B）同排设置或交错排列。Please refer to FIG. 5, which is a second schematic diagram of a display sensing unit in the display device shown in FIG. The display sensing unit 10 includes a display pixel unit 101 and two photoelectric sensing units 102. The two photoelectric sensing units 102 are arranged in the same row as the display pixel unit 101. It can be understood that the arrangement of the display sensing unit 10 can also be that one photoelectric sensing unit 102 is arranged in the same row as the display pixel unit 101, and the other photoelectric sensing unit 102 is arranged in the same row as the display pixel unit 101. The first pixel unit R, the second pixel unit G, and the third pixel unit B in the display pixel unit 101 can also be arranged in other ways, and are not limited to being arranged in the same row. Accordingly, the photoelectric sensing unit 102 can be different from The pixel units (including the first pixel unit R, the second pixel unit G, and the third pixel unit B) are arranged in the same row or staggered.
请参阅图6，其为图1所示显示装置中的显示感应单元的第三种示意图。显示感应单元10包括两个显示像素单元101和两个光电感应单元102。一个显示像素单元101与一个光电感应单元102同排设置的同时，该显示像素单元101与另一个光电感应单元102同列设置，两个光电感应单元102设置于一条对角线上。Please refer to FIG. 6, which is a third schematic diagram of the display sensing unit in the display device shown in FIG. The display sensing unit 10 includes two display pixel units 101 and two photoelectric sensing units 102. While one display pixel unit 101 and one photoelectric sensing unit 102 are arranged in the same row, the display pixel unit 101 and the other photoelectric sensing unit 102 are arranged in the same row, and two photoelectric sensing units 102 are arranged on a diagonal line.
需要说明的是，上述图2、图5以及图6只是对本申请技术方案的示例性的描述。显示像素单元可以搭配一个或者多个光电感应单元以形成一个显示感应单元；或者，多个显示像素单元可以搭配一个光电感应单元以形成一个显示感应单元。显示感应单元的设计可以根据实际产品的需求来选定。另外，显示像素单元对应的区域为发光区，光电感应单元对应的区域为非发光区，光电感应单元对应的区域需要有透明通道以便于目标光信号能射入从而被光电感应单元接收。It should be noted that the above-mentioned FIG. 2, FIG. 5, and FIG. 6 are only exemplary descriptions of the technical solutions of the present application. The display pixel unit can be matched with one or more photoelectric sensing units to form a display sensing unit; or, a plurality of display pixel units can be matched with a photoelectric sensing unit to form a display sensing unit. The design of the display induction unit can be selected according to the needs of the actual product. In addition, the area corresponding to the display pixel unit is a light-emitting area, and the area corresponding to the photoelectric sensing unit is a non-light-emitting area. The area corresponding to the photoelectric sensing unit needs a transparent channel so that the target light signal can be injected and received by the photoelectric sensing unit.
本申请还提供一种显示装置的制造方法，该制造方法包括如下步骤：The present application also provides a manufacturing method of a display device. The manufacturing method includes the following steps:
S10:提供一基板。S10: Provide a substrate.
具体地，提供一薄膜晶体管阵列基板。薄膜晶体管阵列基板包括衬底以及形成于衬底上的薄膜晶体管阵列层。衬底为柔性基体或透明玻璃。薄膜晶体管阵列层包括多个第一薄膜晶体管和多个第二薄膜晶体管。第一薄膜晶体管为第一开关，第二薄膜晶体管为第二开关。Specifically, a thin film transistor array substrate is provided. The thin film transistor array substrate includes a substrate and a thin film transistor array layer formed on the substrate. The substrate is a flexible substrate or transparent glass. The thin film transistor array layer includes a plurality of first thin film transistors and a plurality of second thin film transistors. The first thin film transistor is a first switch, and the second thin film transistor is a second switch.
S11:于基板上形成多个阵列排布的显示感应单元。S11: A plurality of display sensing units arranged in an array are formed on the substrate.
具体地，于薄膜晶体管阵列基板上形成多个显示感应单元。每个显示感应单元包括至少一显示像素单元以及至少一光电感应单元。显示像素单元与第一薄膜晶体管对应设置，第一薄膜晶体管控制显示像素单元接收数据信号以显示图像。光电感应单元对应第二薄膜晶体管设置，第二薄膜晶体管控制光电感应单元输出模拟电信号。Specifically, a plurality of display sensing units are formed on the thin film transistor array substrate. Each display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit. The display pixel unit is arranged corresponding to the first thin film transistor, and the first thin film transistor controls the display pixel unit to receive a data signal to display an image. The photo sensor unit is arranged corresponding to the second thin film transistor, and the second thin film transistor controls the photo sensor unit to output analog electrical signals.
显示装置的制造方法还包括：于每个光电感应单元上方依次形成电极、光屏蔽膜、彩色滤光膜，再形成覆盖彩色滤光膜、显示像素单元以及薄膜晶体管阵列基板的第一平坦化层；接着，于第一平坦化层上且对应彩色滤光膜的上方形成微透镜；最后，形成覆盖微透镜以及第一平坦化层的第二平坦化层。The manufacturing method of the display device further includes: sequentially forming an electrode, a light shielding film, and a color filter film above each photoelectric sensing unit, and then forming a first planarization layer covering the color filter film, the display pixel unit and the thin film transistor array substrate ; Next, a microlens is formed on the first planarization layer and above the corresponding color filter film; finally, a second planarization layer covering the microlens and the first planarization layer is formed.
本申请显示装置的制造方法通过将用于显示图像的显示像素单元以及用于接收外界目标光信号以实现拍照功能的光电感应单元同时集成于一个显示感应单元中，以使显示装置具有显示和拍照的功能的同时，显示装置的屏占比为百分之百。The manufacturing method of the display device of the present application integrates a display pixel unit for displaying images and a photoelectric sensing unit for receiving external target light signals to realize the photographing function into one display sensing unit, so that the display device can display and photograph At the same time, the screen-to-body ratio of the display device is 100%.
以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。The descriptions of the above embodiments are only used to help understand the technical solutions and core ideas of this application; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or modify some of the technologies. The features are equivalently replaced; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims (16)

  1. 一种显示装置，其中，所述显示装置包括多个显示感应单元，每个所述显示感应单元包括至少一显示像素单元以及至少一光电感应单元，所述显示像素单元用于产生光信号以使所述显示装置显示图像，所述光电感应单元用于接收所述显示装置之外的目标光信号并将所述目标光信号转化为模拟电信号。A display device, wherein the display device includes a plurality of display sensing units, each of the display sensing units includes at least one display pixel unit and at least one photoelectric sensing unit, and the display pixel unit is used to generate light signals to make The display device displays an image, and the photoelectric sensing unit is used to receive a target light signal outside the display device and convert the target light signal into an analog electrical signal.
  2. 根据权利要求1所述的显示装置，其中，所述显示装置还包括与所述光电感应单元连接的图像驱动芯片以及与所述显示像素单元连接的显示驱动芯片，所述图像驱动芯片与所述显示驱动芯片电性连接，所述图像驱动芯片用于接收所述模拟电信号并将所述模拟电信号转化为数字电信号，所述显示驱动芯片用于接收所述数字电信号并将所述数字电信号转化为数据信号，所述显示像素单元用于接收所述数据信号以显示所述目标光信号对应的图像。The display device according to claim 1, wherein the display device further comprises an image drive chip connected to the photoelectric sensing unit and a display drive chip connected to the display pixel unit, the image drive chip and the The display drive chip is electrically connected, the image drive chip is used to receive the analog electrical signal and convert the analog electrical signal into a digital electrical signal, and the display drive chip is used to receive the digital electrical signal and convert the The digital electrical signal is converted into a data signal, and the display pixel unit is used to receive the data signal to display an image corresponding to the target light signal.
  3. 根据权利要求2所述的显示装置，其中，所述显示装置还包括第一开关和第二开关，所述第一开关连接于所述显示驱动芯片和所述显示像素单元之间，所述第二开关连接于所述图像驱动芯片和所述光电感应单元之间，所述第一开关导通时，所述显示驱动芯片将所述数据信号输出至所述显示像素单元；所述第二开关导通时，所述光电感应单元将所述模拟电信号输出至所述图像驱动芯片。3. The display device according to claim 2, wherein the display device further comprises a first switch and a second switch, the first switch is connected between the display driving chip and the display pixel unit, and the first switch Two switches are connected between the image driving chip and the photoelectric sensing unit. When the first switch is turned on, the display driving chip outputs the data signal to the display pixel unit; the second switch When turned on, the photoelectric sensing unit outputs the analog electrical signal to the image driving chip.
  4. 根据权利要求3所述的显示装置，其中，所述第一开关和所述第二开关均为薄膜晶体管。 3. The display device according to claim 3, wherein the first switch and the second switch are both thin film transistors.
  5. 根据权利要求3所述的显示装置，其特征在于，所述显示装置还包括薄膜晶体管阵列层，所述薄膜晶体管阵列层包括所述第一开关和所述第二开关。 3. The display device of claim 3, wherein the display device further comprises a thin film transistor array layer, and the thin film transistor array layer includes the first switch and the second switch.
  6. 根据权利要求5所述的显示装置，其中，所述显示感应单元阵列地设置于所述薄膜晶体管阵列层上，所述显示像素单元与所述第一开关对应设置，所述光电感应单元与所述第二开关对应设置。 5. The display device according to claim 5, wherein the display sensing unit is arrayed on the thin film transistor array layer, the display pixel unit is disposed corresponding to the first switch, and the photoelectric sensing unit is The second switch is correspondingly set.
  7. 根据权利要求1所述的显示装置，其中，每个所述显示感应单元包括一所述显示像素单元以及两个所述光电感应单元。 4. The display device of claim 1, wherein each of the display sensing units includes one display pixel unit and two photoelectric sensing units.
  8. 根据权利要求7所述的显示装置，其中，两个所述光电感应单元与所述显示像素单元同排设置，或，一个所述光电感应单元与所述显示像素单元同排设置的同时，另一个所述光电感应单元与所述显示像素单元同列设置。 7. The display device according to claim 7, wherein two of the photoelectric sensing units are arranged in the same row as the display pixel unit, or, while one of the photoelectric sensing units and the display pixel unit are arranged in the same row, the other One of the photoelectric sensing units and the display pixel units are arranged in the same column.
  9. 根据权利要求1所述的显示装置，其中，每个所述显示像素单元包括第一像素单元、第二像素单元以及第三像素单元，所述第一像素单元用于发出红光，所述第二像素单元用于发出绿光，所述第三像素单元用于发出蓝光，所述第一像素单元、所述第二像素单元以及所述第三像素单元均为有机发光二极管。 The display device according to claim 1, wherein each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, the first pixel unit is used to emit red light, and the first pixel unit The two pixel units are used for emitting green light, the third pixel unit is used for emitting blue light, and the first pixel unit, the second pixel unit and the third pixel unit are all organic light emitting diodes.
  10. 一种显示装置的制造方法，其中，所述制造方法包括如下步骤： A manufacturing method of a display device, wherein the manufacturing method includes the following steps:
    提供一基板；Provide a substrate;
    于所述基板上形成多个阵列排布的显示感应单元，所述显示感应单元包括至少一显示像素单元以及至少一光电感应单元。A plurality of display sensing units arranged in an array are formed on the substrate, and the display sensing unit includes at least one display pixel unit and at least one photoelectric sensing unit.
  11. 根据权利要求10所述的显示装置的制造方法，其中，所述基板为薄膜晶体管阵列基板，所述薄膜晶体管阵列基板包括衬底以及形成于所述衬底上的薄膜晶体管阵列层，所述薄膜晶体管阵列层包括多个第一薄膜晶体管和多个第二薄膜晶体管。11. The method of manufacturing a display device according to claim 10, wherein the substrate is a thin film transistor array substrate, the thin film transistor array substrate includes a substrate and a thin film transistor array layer formed on the substrate, the thin film transistor array The transistor array layer includes a plurality of first thin film transistors and a plurality of second thin film transistors.
  12. 根据权利要求11所述的显示装置的制造方法，其中，所述显示像素单元对应所述第一薄膜晶体管设置，所述光电感应单元对应所述第二薄膜晶体管设置。11. The method of manufacturing a display device according to claim 11, wherein the display pixel unit is arranged corresponding to the first thin film transistor, and the photo sensor unit is arranged corresponding to the second thin film transistor.
  13. 根据权利要求10所述的显示装置的制造方法，其中，每个所述显示感应单元包括一个所述显示像素单元以及两个所述光电感应单元。10. The method for manufacturing a display device according to claim 10, wherein each of the display sensing units includes one display pixel unit and two photoelectric sensing units.
  14. 根据权利要求13所述的显示装置的制造方法，其中，两个所述光电感应单元与所述显示像素单元同排设置，或，一个所述光电感应单元与所述显示像素单元同排设置的同时，另一个所述光电感应单元与所述显示像素单元同列设置。The method of manufacturing a display device according to claim 13, wherein two photoelectric sensing units are arranged in the same row as the display pixel unit, or one photoelectric sensing unit is arranged in the same row as the display pixel unit At the same time, the other photoelectric sensing unit is arranged in the same column as the display pixel unit.
  15. 根据权利要求10所述的显示装置的制造方法，其中，每个所述显示像素单元包括第一像素单元、第二像素单元以及第三像素单元，所述第一像素单元用于发出红光，所述第二像素单元用于发出绿光，所述第三像素单元用于发出蓝光，所述第一像素单元、所述第二像素单元以及所述第三像素单元均为有机发光二极管。10. The method of manufacturing a display device according to claim 10, wherein each of the display pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, and the first pixel unit is used to emit red light, The second pixel unit is used for emitting green light, the third pixel unit is used for emitting blue light, and the first pixel unit, the second pixel unit and the third pixel unit are all organic light emitting diodes.
  16. 根据权利要求10所述的显示装置的制造方法，其中，所述制造方法还包括如下步骤：The method of manufacturing a display device according to claim 10, wherein the method of manufacturing further comprises the following steps:
    于每个所述光电感应单元上方依次形成电极、光屏蔽膜以及彩膜滤光膜；Forming an electrode, a light shielding film, and a color filter film in sequence above each photoelectric sensing unit;
    形成覆盖所述彩色滤光膜、所述显示像素单元以及所述基板的第一平坦化层；Forming a first planarization layer covering the color filter film, the display pixel unit and the substrate;
    于所述第一平坦化层上且对应所述彩色滤光膜的上方形成微透镜；Forming a micro lens on the first planarization layer and corresponding to the color filter film;
    形成覆盖所述微透镜以及所述第一平坦化层的第二平坦化层。A second planarization layer covering the microlens and the first planarization layer is formed.
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