WO2021184434A1 - 一种显示装置 - Google Patents

一种显示装置 Download PDF

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Publication number
WO2021184434A1
WO2021184434A1 PCT/CN2020/083199 CN2020083199W WO2021184434A1 WO 2021184434 A1 WO2021184434 A1 WO 2021184434A1 CN 2020083199 W CN2020083199 W CN 2020083199W WO 2021184434 A1 WO2021184434 A1 WO 2021184434A1
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WO
WIPO (PCT)
Prior art keywords
micro led
display device
module
placement area
display
Prior art date
Application number
PCT/CN2020/083199
Other languages
English (en)
French (fr)
Inventor
杨勇
Original Assignee
武汉华星光电技术有限公司
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 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/955,095 priority Critical patent/US11320689B1/en
Publication of WO2021184434A1 publication Critical patent/WO2021184434A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13312—Circuits comprising photodetectors for purposes other than feedback
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/44—Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers

Definitions

  • This application relates to the field of display technology, and in particular to a display device.
  • the under-screen optical fingerprint recognition technology is a hot spot in the market. Due to its self-luminous characteristics, the OLED display has a large innate advantage in the under-screen optical fingerprint recognition technology.
  • the LCD display has a lower penetration rate. The dimming function of the light valve and the more complicated laminated structure make it difficult to design the optical fingerprint light path and sensor arrangement in the display area.
  • the existing full-screen technology cannot achieve full-screen display including the camera area due to the existence of the camera.
  • the under-screen optical fingerprint recognition technology for LCD also has many design difficulties due to the complexity of the LCD display structure. Therefore, it is necessary to improve this defect.
  • This application provides a display device, which is used to solve the problem that the camera area of the display device in the prior art cannot be displayed, and due to the low transmittance of the liquid crystal screen, the optical fingerprint optical path design and sensor arrangement are carried out in the display area.
  • Technical problems with greater difficulty are used to solve the problem that the camera area of the display device in the prior art cannot be displayed, and due to the low transmittance of the liquid crystal screen, the optical fingerprint optical path design and sensor arrangement are carried out in the display area.
  • the embodiment of the application provides a display device, which is divided into a camera placement area and a non-camera placement area, and includes a backlight module, a display module, and a camera.
  • the backlight module is provided with a first through hole, and the largest cross section of the first through hole corresponds to the camera placement area of the display device.
  • the display module is located on the backlight module, the display module includes an array substrate and a color filter substrate arranged in a box, and is located between the array substrate and the color filter substrate and corresponds to the display device
  • the liquid crystal layer in the non-camera placement area located on the side of the array substrate close to the backlight module and corresponding to the lower polarizer in the non-camera placement area of the display device, is located in the color film
  • the substrate is close to the side of the liquid crystal layer and corresponds to the built-in upper polarizer in the non-camera placement area of the display device, and is located on the side of the color filter substrate away from the array substrate and corresponds to the display
  • the micro LED module in the camera placement area of the device is located on the backlight module, the display module includes an array substrate and a color filter substrate arranged in a box, and is located between the array substrate and the color filter substrate and corresponds to the display device
  • the liquid crystal layer in the non-camera placement area located on the side of the array substrate close to the back
  • the camera is located at a side of the backlight module facing away from the display module and corresponds to the camera placement area of the display device.
  • the display module corresponds to a fingerprint sensor provided in the camera placement area of the display device, and the sensing unit of the fingerprint sensor is projected on the color film substrate and in the micro LED module
  • the micro LED unit has no overlap.
  • the fingerprint sensor is disposed on a side of the array substrate facing the color filter substrate.
  • the number of fingerprint sensors ranges from 15 to 35.
  • the micro LED unit includes a red micro LED unit, a green micro LED unit, and a blue micro LED unit.
  • the micro LED units are arranged in a matrix, and any row is arranged in a matrix.
  • the red micro LED units, the green micro LED units, and the blue micro LED units are cyclically arranged in the order, and the colors of the micro LED units in any column are the same.
  • the sensing unit of the fingerprint sensor is located between the two micro LED units in a row.
  • the overall width of the micro LED module is larger than the aperture of the first through hole.
  • the aperture of the first through hole ranges from 2 millimeters to 3 millimeters.
  • the width of any one of the micro LED units ranges from 10 ⁇ m to 50 ⁇ m.
  • the backlight module includes a light source and an optical film set, and the light source is located on one side of the optical film set.
  • a light blocking layer is provided inside the first through hole.
  • the fingerprint sensor is disposed on a side of the color filter substrate facing the array substrate.
  • the number of fingerprint sensors ranges from 15 to 35.
  • the micro LED unit includes a red micro LED unit, a green micro LED unit, and a blue micro LED unit.
  • the micro LED units are arranged in a matrix, and any row is arranged in a matrix.
  • the red micro LED units, the green micro LED units, and the blue micro LED units are cyclically arranged in the order, and the colors of the micro LED units in any column are the same.
  • the sensing unit of the fingerprint sensor is located between the two micro LED units in a row.
  • the overall width of the micro LED module is larger than the aperture of the first through hole.
  • the aperture of the first through hole ranges from 2 millimeters to 3 millimeters.
  • the width of any one of the micro LED units ranges from 10 ⁇ m to 50 ⁇ m.
  • the backlight module includes a light source and an optical film set, and the light source is located on one side of the optical film set.
  • a light blocking layer is provided inside the first through hole.
  • a micro LED module and a fingerprint sensor are arranged in the camera placement area, and the micro LED unit in the micro LED module and the sensing unit of the fingerprint sensor do not overlap in the vertical direction, which can realize the full-screen display function , Under-screen optical fingerprint unlocking function, and camera function.
  • FIG. 1 is a schematic structural diagram of a display device provided by an embodiment of the application.
  • FIG. 2 is a graph showing the relationship between the reflected light intensity of the display device and the number of fingerprint sensors according to an embodiment of the application;
  • FIG. 3 is a schematic diagram of the arrangement of the micro LED unit and the sensing unit of the fingerprint sensor corresponding to the camera placement area of the display module according to the embodiment of the application;
  • FIG. 4 is a schematic diagram of another structure of the display device provided by an embodiment of the application.
  • FIG. 1 a schematic structural diagram of the display device provided by the embodiment of the present application, from which the various components of the present application and the relative positional relationship between the various components can be seen intuitively.
  • the display device It is divided into a camera placement area A1 and a non-camera placement area A2.
  • the display device includes a backlight module 101, a display module 103, and a camera 104.
  • the backlight module 101 is provided with a first through hole 102, and the largest cross section of the first through hole 102 corresponds to the camera placement area A1 of the display device.
  • the display module 103 is located on the backlight module 101, and the display module 103 includes an array substrate 1031 and a color filter substrate 1032 arranged in a box, located between the array substrate 1031 and the color filter substrate 1032 And corresponding to the liquid crystal layer 1033 in the non-camera placement area A2 of the display device, located on the side of the array substrate 1031 close to the backlight module 101 and corresponding to the non-camera placement area of the display device.
  • the lower polarizer 1034 in A2 the built-in upper polarizer 1035 located on the side of the color filter substrate 1032 close to the liquid crystal layer 1033 and corresponding to the non-camera placement area A2 of the display device
  • the color filter substrate 1032 faces away from the side of the array substrate 1031 and corresponds to the micro LED module 1036 in the camera placement area A1 of the display device.
  • the camera 104 is located on the side of the backlight module 101 facing away from the display module 103 and corresponds to the camera placement area A1 of the display device.
  • the display module 103 is provided with a fingerprint sensor 105 in the camera placement area A1 corresponding to the display device, and the projection of the sensing unit of the fingerprint sensor 105 on the color film substrate 1032 is consistent with the The micro LED units in the micro LED module 1036 have no overlap.
  • a secondary screen display area with the same resolution is set in the camera placement area of the display device, and an optical fingerprint unlocking structure is set on the display module below the secondary screen display area.
  • the structure of the screen display area is relatively simple, easy to design the fingerprint sensor, can improve the correct rate of unlocking, and will not affect the display function of the main screen area.
  • the camera 104 is under the display module 103.
  • the micro LED module 1036 can display normally while hiding the camera 104;
  • the micro LED module 1036 can be turned off. At this time, if the ambient light is insufficient, the micro LED module 1036 can be used as an exposure lamp.
  • each micro LED unit in the micro LED module 1036 is directly used as a display, and the size of the micro LED unit can reach the pixel size level, and each LED is individually controlled by a TFT circuit.
  • the TFT circuit (not shown in the figure) is formed under the micro LED module 1036.
  • Each micro LED unit in the micro LED module 1036 is prepared above the TFT circuit through processes such as mass transfer, binding, detection and repair.
  • the micro LED module 1036 is a transparent display, that is, the camera placement area A1 of the display device can realize display and photographing functions.
  • the color filter substrate 1032 corresponds to the structure of the camera placement area A1 of the display device without photoresist and a built-in upper polarizer to ensure that the camera 104 has a large amount of light when taking pictures.
  • the built-in upper polarizer 1035 is fabricated on the inner side of the color filter substrate 1032 by a metal wire grid nanoimprint method such as aluminum and silver.
  • the fingerprint sensor 105 is disposed on the side of the array substrate 1031 facing the color filter substrate 1032.
  • the number of fingerprint sensors 105 ranges from 15 to 35.
  • the micro LED unit includes a red micro LED unit 10361, a green micro LED unit 10362, and a blue micro LED unit 10363.
  • the micro LED units are arranged in a matrix, and any row is cyclically arranged in the order of the red micro LED unit 10361, the green micro LED unit 10362, and the blue micro LED unit 10363.
  • the colors of the micro LED units in any column are the same.
  • the sensing unit of the fingerprint sensor 105 is located between the two micro LED units in a row.
  • the overall width of the micro LED module 1036 is larger than the aperture of the first through hole 102 to hide the sealant (not shown in the figure) of the liquid crystal layer 1033 below and the backlight
  • the plastic iron frame (not shown in the figure) in the module 101 prevents the display from being affected or the appearance of black borders.
  • the size of the sensing unit of the fingerprint sensor 105 is equivalent to the size of the micro LED unit.
  • the micro LED unit above the fingerprint sensor 105 can block the reflected light at an angle greater than 20 degrees to prevent it from being received by the sensing unit of the fingerprint sensor 105 below, ensuring that the sensing unit of the fingerprint sensor 105 It can receive the differential signals of the "ridge” and “valley” in the fingerprint, identify the fingerprint and unlock it.
  • the reflected light at an angle of 20 degrees is blocked, where 20 degrees is a value that needs to be achieved because the sensing unit of the fingerprint sensor 105 needs to receive collimated light or light that is close to collimation.
  • the diameter of the first through hole 102 ranges from 2 mm to 3 mm.
  • the width of any one of the micro LED units ranges from 10 micrometers to 50 micrometers.
  • the backlight module 101 includes a light source 1011 and an optical film set 1012, and the light source 1011 is located on one side of the optical film set 1012. That is, the backlight module 101 is an edge-type backlight, and the backlight module 101 is drilled in the camera placement area A1 of the display device. There is no liquid crystal at the aperture, and a transparent medium with the same refractive index as glass is used. filling.
  • the camera 104 is specifically arranged at the edge of the light exit side of the optical film set 1012.
  • a light blocking layer 106 is provided inside the first through hole 102.
  • the structured light blocking layers 106 on both sides function to separate the backlight of the main screen display and the display of the micro LED display area.
  • the relationship curve between the reflected light intensity of the display device and the number of fingerprint sensors provided by the embodiment of the present application, it can be seen that when the number of sensors is 15 to 35, the contrast between valleys and ridges is relatively large, which is beneficial to Realize fast unlocking of fingerprints.
  • the abscissa in the figure is the number of sensors, the ordinate is the intensity of reflected light, the curve is a simulation curve, and the light is set to collimated light.
  • the display module provided by the embodiment of the application corresponds to the arrangement of the micro LED unit of the camera placement area and the sensing unit of the fingerprint sensor.
  • the micro LED unit includes a red micro LED unit 301 and a green micro LED. Unit 302, and blue micro LED unit 303, wherein the micro LED units are arranged in a matrix, and any row is arranged in accordance with the red micro LED unit 301, the green micro LED unit 302, and the blue micro LED
  • the units 303 are arranged cyclically in order, the colors of the micro LED units in any column are the same, and the sensing unit 305 of the fingerprint sensor 304 is located between the two micro LED units in a row.
  • the sensing unit 305 of the fingerprint sensor 304 includes, for example, multiple CMOS optical devices or multiple CCD optical devices.
  • the chip of each micro LED unit is fixed on the outside of the color film substrate (not shown in the figure) through a bonding process, and the sensing unit 305 array of the fingerprint sensor 304 is located between the chips. In the meantime, it is guaranteed that the differential signal of the fingerprint can be received.
  • the arrangement of the micro LED unit and the sensor unit of the sensor provided in the embodiments of the present application is not limited to this. In other embodiments, as long as the micro LED unit and the sensor unit of the sensor are in Solutions in which the arrangement in the vertical direction does not overlap are all within the protection scope of this application.
  • FIG. 4 another schematic diagram of the structure of the display device provided by the embodiment of the present application, from which the various components of the present application and the relative positional relationship between the various components can be seen intuitively.
  • the device is divided into a camera placement area A1 and a non-camera placement area A2.
  • the display device includes a backlight module 401, a display module 403, and a camera 404.
  • the backlight module 401 is provided with a first through hole 402, and the largest cross section of the first through hole 402 corresponds to the camera placement area A1 of the display device.
  • the display module 403 is located on the backlight module 401, and the display module 403 includes an array substrate 4031 and a color filter substrate 4032 arranged in a box, located between the array substrate 4031 and the color filter substrate 4032 And corresponding to the liquid crystal layer 4033 in the non-camera placement area A2 of the display device, located on the side of the array substrate 4031 close to the backlight module 401 and corresponding to the non-camera placement area of the display device.
  • the lower polarizer 4034 in A2 the built-in upper polarizer 4035 on the side of the color filter substrate 4032 close to the liquid crystal layer 4033 and corresponding to the non-camera placement area A2 of the display device, and the built-in upper polarizer 4035 in the non-camera placement area A2 of the display device.
  • the color filter substrate 4032 faces away from the side of the array substrate 4031 and corresponds to the micro LED module 4036 in the camera placement area A1 of the display device.
  • the camera 404 is located on the side of the backlight module 401 facing away from the display module 403 and corresponds to the camera placement area A1 of the display device.
  • the display module 403 corresponds to a fingerprint sensor 405 provided in the camera placement area A1 of the display device, and the projection of the sensing unit of the fingerprint sensor 405 on the color film substrate 4032 is consistent with the The micro LED units in the micro LED module 4036 have no overlap.
  • the fingerprint sensor 405 is arranged on the side of the color filter substrate 4032 facing the array substrate 4031.
  • the number of fingerprint sensors 405 ranges from 15 to 35.
  • the micro LED unit includes a red micro LED unit 40361, a green micro LED unit 40362, and a blue micro LED unit 40363.
  • the micro LED units are arranged in a matrix, and any row is cyclically arranged in the order of the red micro LED unit 40361, the green micro LED unit 40362, and the blue micro LED unit 40363.
  • the colors of the micro LED units in any column are the same.
  • the sensing unit of the fingerprint sensor 405 is located between the two micro LED units in a row.
  • the overall width of the micro LED module 4036 is larger than the aperture of the first through hole 402 to hide the sealant (not shown in the figure) of the liquid crystal layer 4033 below and the backlight
  • the plastic iron frame (not shown in the figure) in the module 401 avoids any influence on the display or the appearance of black borders.
  • the diameter of the first through hole 402 ranges from 2 mm to 3 mm.
  • the width of any one of the micro LED units ranges from 10 micrometers to 50 micrometers.
  • the backlight module 401 includes a light source 4011 and an optical film set 4012, and the light source 4011 is located on one side of the optical film set 4012. That is, the backlight module 401 is an edge-type backlight, and the backlight module 401 is processed in the camera placement area A1 of the display device. There is no liquid crystal at the aperture, and a transparent medium with the same refractive index as glass is used. filling.
  • the camera 404 is specifically arranged at the edge of the light exit side of the optical film set 4012.
  • a light blocking layer 406 is provided inside the first through hole 402.
  • the structured light blocking layer 406 on both sides functions to separate the backlight of the main screen display and the display of the micro LED display area.
  • the display device provided by the embodiment of the present application may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital camera, a navigator, and the like.
  • the micro LED module and the fingerprint sensor are arranged in the camera placement area, and the micro LED unit in the micro LED module and the fingerprint sensor
  • the measuring unit has no overlap in the vertical direction, which can realize the full-screen display function, the under-screen optical fingerprint unlocking function, and the camera function.
  • the design of the optical fingerprint light path and the arrangement of the sensors are more difficult technical problems.

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Abstract

一种显示装置，区分为摄像头放置区(A1)及非摄像头放置区(A2)，包括背光模组(101)、显示模组(103)、以及摄像头(104)，显示模组(103)包括对盒设置的阵列基板(1031)和彩膜基板(1032)；其中，显示模组(103)对应于显示装置的摄像头放置区(A1)内设置有指纹传感器(105)。

Description

一种显示装置 技术领域
本申请涉及显示技术领域，尤其涉及一种显示装置。
 背景技术
目前屏下光学指纹识别技术为市场追逐的热点，OLED显示屏由于其自身自发光特点，在屏下光学指纹识别技术上具有较大的先天优势，LCD显示屏由于较低的穿透率，液晶光阀的调光作用和较为复杂的叠层架构，在显示区进行光学指纹光路设计和传感器排布上具有较大的难度。
现有的全面屏技术，由于摄像头的存在，无法做到包括摄像头区域的全屏显示，同时针对LCD的屏下光学指纹识别技术，由于LCD显示结构的复杂性，也存在诸多设计难点。故，有必要改善这一缺陷。
 技术问题
本申请提供了一种显示装置，用于解决现有技术的显示装置，其摄像头区域无法显示，以及由于液晶屏较低的透过率，导致在显示区进行光学指纹光路设计和传感器排布上具有较大的难度的技术问题。
 技术解决方案
本申请实施例提供一种显示装置，区分为摄像头放置区及非摄像头放置区，包括背光模组、显示模组、以及摄像头。所述背光模组开设有第一通孔，所述第一通孔的最大横截面对应于所述显示装置的所述摄像头放置区。所述显示模组位于所述背光模组上，所述显示模组包括对盒设置的阵列基板和彩膜基板、位于所述阵列基板和所述彩膜基板之间且对应于所述显示装置的所述非摄像头放置区内的液晶层、位于所述阵列基板靠近所述背光模组一侧且对应于所述显示装置的所述非摄像头放置区内的下偏光片、位于所述彩膜基板靠近所述液晶层一侧且对应于所述显示装置的所述非摄像头放置区内的内置上偏光片、以及位于所述彩膜基板背向所述阵列基板一侧且对应于所述显示装置的所述摄像头放置区内的微型LED模组。所述摄像头位于所述背光模组背向所述显示模组一侧且对应于所述显示装置的所述摄像头放置区内。其中，所述显示模组对应于所述显示装置的所述摄像头放置区内设置有指纹传感器，所述指纹传感器的感测单元在所述彩膜基板上的投影与所述微型LED模组中的微型LED单元无重叠。
在本申请实施例提供的一种显示装置中，所述指纹传感器设置于所述阵列基板面向所述彩膜基板的一侧。
在本申请实施例提供的一种显示装置中，所述指纹传感器的数量范围为15至35个。
在本申请实施例提供的一种显示装置中，所述微型LED单元包括红色微型LED单元、绿色微型LED单元、以及蓝色微型LED单元，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元、所述绿色微型LED单元、所述蓝色微型LED单元的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
在本申请实施例提供的一种显示装置中，所述指纹传感器的所述感测单元位于一行内的两个所述微型LED单元之间。
在本申请实施例提供的一种显示装置中，所述微型LED模组的整体宽度大于所述第一通孔的孔径。
在本申请实施例提供的一种显示装置中，所述第一通孔的孔径范围为2毫米至3毫米。
在本申请实施例提供的一种显示装置中，任一个所述微型LED单元的宽度范围为10微米至50微米。
在本申请实施例提供的一种显示装置中，所述背光模组包括光源和光学膜片组，所述光源位于所述光学膜片组一侧。
在本申请实施例提供的一种显示装置中，所述第一通孔内侧设置有光阻挡层。
在本申请实施例提供的一种显示装置中，所述指纹传感器设置于所述彩膜基板面向所述阵列基板的一侧。
在本申请实施例提供的一种显示装置中，所述指纹传感器的数量范围为15至35个。
在本申请实施例提供的一种显示装置中，所述微型LED单元包括红色微型LED单元、绿色微型LED单元、以及蓝色微型LED单元，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元、所述绿色微型LED单元、所述蓝色微型LED单元的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
在本申请实施例提供的一种显示装置中，所述指纹传感器的所述感测单元位于一行内的两个所述微型LED单元之间。
在本申请实施例提供的一种显示装置中，所述微型LED模组的整体宽度大于所述第一通孔的孔径。
在本申请实施例提供的一种显示装置中，所述第一通孔的孔径范围为2毫米至3毫米。
在本申请实施例提供的一种显示装置中，任一个所述微型LED单元的宽度范围为10微米至50微米。
在本申请实施例提供的一种显示装置中，所述背光模组包括光源和光学膜片组，所述光源位于所述光学膜片组一侧。
在本申请实施例提供的一种显示装置中，所述第一通孔内侧设置有光阻挡层。
 有益效果
本申请通过在摄像头放置区内设置微型LED模组和指纹传感器，且所述微型LED模组中的微型LED单元与所述指纹传感器的感测单元在垂直方向上无重叠，可实现全屏显示功能，屏下光学指纹解锁功能，以及拍照功能。
 附图说明
图1为本申请实施例提供的显示装置的一结构示意图；
图2为本申请实施例提供的显示装置的反射光强度与指纹传感器数量的关系曲线图；
图3为本申请实施例提供的显示模组对应于摄像头放置区的微型LED单元和指纹传感器的感测单元排布示意图；
图4为本申请实施例提供的显示装置的又一结构示意图。
 本发明的实施方式
为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
如图1所示，本申请实施例提供的显示装置的一结构示意图，从图中可以很直观地看到本申请的各组成部分，以及各组成部分之间的相对位置关系，所述显示装置区分为摄像头放置区A1及非摄像头放置区A2，所述显示装置包括背光模组101、显示模组103、以及摄像头104。
所述背光模组101开设有第一通孔102，所述第一通孔102的最大横截面对应于所述显示装置的所述摄像头放置区A1。
所述显示模组103位于所述背光模组101上，所述显示模组103包括对盒设置的阵列基板1031和彩膜基板1032、位于所述阵列基板1031和所述彩膜基板1032之间且对应于所述显示装置的所述非摄像头放置区A2内的液晶层1033、位于所述阵列基板1031靠近所述背光模组101一侧且对应于所述显示装置的所述非摄像头放置区A2内的下偏光片1034、位于所述彩膜基板1032靠近所述液晶层1033一侧且对应于所述显示装置的所述非摄像头放置区A2内的内置上偏光片1035、以及位于所述彩膜基板1032背向所述阵列基板1031一侧且对应于所述显示装置的所述摄像头放置区A1内的微型LED模组1036。
所述摄像头104位于所述背光模组101背向所述显示模组103一侧且对应于所述显示装置的所述摄像头放置区A1内。
其中，所述显示模组103对应于所述显示装置的所述摄像头放置区A1内设置有指纹传感器105，所述指纹传感器105的感测单元在所述彩膜基板1032上的投影与所述微型LED模组1036中的微型LED单元无重叠。
需要说明的是，本申请实施例通过在显示装置的摄像头放置区设置具有相同分辨率的副屏显示区，并在所述副屏显示区下方的显示模组上设置光学指纹解锁架构，由于副屏显示区的架构较为简单，易于指纹传感器的设计，可提高解锁的正确率，也不会影响到主屏区域的显示功能。
需要说明的是，所述摄像头104在所述显示模组103的下方，当所述摄像头104不工作时，所述微型LED模组1036可正常显示，同时将所述摄像头104隐藏；当所述摄像头104工作时，可关闭所述微型LED模组1036，此时若环境光线不足，可将所述微型LED模组1036作为曝光灯使用。
需要说明的是，所述微型LED模组1036中的各微型LED单元直接用作显示，其大小可以做到像素大小级别，每颗LED都是通过TFT电路单独控制。所述TFT电路（图中未示出）形成于所述微型LED模组1036的下方。所述微型LED模组1036中的各微型LED单元通过巨量转移、绑定、检测修复等工艺制备于所述TFT电路上方。其中，所述微型LED模组1036为透明显示，即所述显示装置的所述摄像头放置区A1可实现显示和拍照功能。
需要说明的是，所述彩膜基板1032对应于所述显示装置的所述摄像头放置区A1内无光阻及内置上偏光片结构，以保证拍照时所述摄像头104有较大的进光量。
需要说明的是，所述内置上偏光片1035是通过铝、银等金属线栅纳米压印方式制作于所述彩膜基板1032的内侧。
在一种实施例中，所述指纹传感器105设置于所述阵列基板1031面向所述彩膜基板1032的一侧。
在一种实施例中，所述指纹传感器105的数量范围为15至35个。
在一种实施例中，所述微型LED单元包括红色微型LED单元10361、绿色微型LED单元10362、以及蓝色微型LED单元10363。
在一种实施例中，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元10361、所述绿色微型LED单元10362、所述蓝色微型LED单元10363的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
在一种实施例中，所述指纹传感器105的所述感测单元位于一行内的两个所述微型LED单元之间。
在一种实施例中，所述微型LED模组1036的整体宽度大于所述第一通孔102的孔径，以隐藏下方所述液晶层1033的框胶（图中未示出）和所述背光模组101中的胶铁框（图中未示出），避免对显示造成影响或出现黑边。
在一种实施例中，所述指纹传感器105的所述感测单元的大小与所述微型LED单元的大小相当。所述指纹传感器105的上方的微型LED单元可遮挡大于20度角的反射光，防止被下方的所述指纹传感器105的所述感测单元接收，保证所述指纹传感器105的所述感测单元可以接收到指纹中“脊”和“谷”的差异性信号，识别指纹并解锁。
需要说明的是，遮挡20度角的反射光，其中，20度是一个需要达到的数值，是因为所述指纹传感器105的所述感测单元需要接受准直光或者接近准直的光。
在一种实施例中，所述第一通孔102的孔径范围为2毫米至3毫米。
在一种实施例中，任一个所述微型LED单元的宽度范围为10微米至50微米。
在一种实施例中，所述背光模组101包括光源1011和光学膜片组1012，所述光源1011位于所述光学膜片组1012一侧。即所述背光模组101为侧入式背光，所述背光模组101在所述显示装置的所述摄像头放置区A1进行挖孔处理，孔径处无液晶，采用与玻璃相同折射率的透明介质填充。所述摄像头104具体设置于所述光学膜片组1012的出光侧边缘。
在一种实施例中，所述第一通孔102内侧设置有光阻挡层106。两侧的结构式光阻挡层106，作用是将主屏显示的背光和微型LED显示区域的显示隔开。
如图2所示，本申请实施例提供的显示装置的反射光强度与指纹传感器数量的关系曲线图，可以看出在传感器数量为15至35个时，谷和脊的对比度比较大，有利于实现指纹的快速解锁。图中的横坐标为传感器数量，纵坐标为反射光强度，曲线为仿真曲线，光线设置为准直光线。
如图3所示，本申请实施例提供的显示模组对应于摄像头放置区的微型LED单元和指纹传感器的感测单元排布示意图，所述微型LED单元包括红色微型LED单元301、绿色微型LED单元302、以及蓝色微型LED单元303，其中，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元301、所述绿色微型LED单元302、所述蓝色微型LED单元303的顺序循环排布，任一列的所述微型LED单元的颜色均相同，所述指纹传感器304的所述感测单元305位于一行内的两个所述微型LED单元之间。所述指纹传感器304的所述感测单元305例如包含多个CMOS光学器件或多个CCD光学器件。
需要说明的是，每个微型LED单元的芯片均是通过绑定工艺固定在彩膜基板（图中未示出）的外侧，所述指纹传感器304的所述感测单元305阵列则位于芯片之间，保证可接收到指纹的差异性信号。
需要说明的是，本申请实施例提供的微型LED单元和所述传感器的感测单元的排布方式并不限于此，在其他实施例中，只要微型LED单元与所述传感器的感测单元在垂直方向上的排布无重叠的方案均属于本申请保护的范围内。
如图4所示，本申请实施例提供的显示装置的又一结构示意图，从图中可以很直观地看到本申请的各组成部分，以及各组成部分之间的相对位置关系，所述显示装置区分为摄像头放置区A1及非摄像头放置区A2，所述显示装置包括背光模组401、显示模组403、以及摄像头404。
所述背光模组401开设有第一通孔402，所述第一通孔402的最大横截面对应于所述显示装置的所述摄像头放置区A1。
所述显示模组403位于所述背光模组401上，所述显示模组403包括对盒设置的阵列基板4031和彩膜基板4032、位于所述阵列基板4031和所述彩膜基板4032之间且对应于所述显示装置的所述非摄像头放置区A2内的液晶层4033、位于所述阵列基板4031靠近所述背光模组401一侧且对应于所述显示装置的所述非摄像头放置区A2内的下偏光片4034、位于所述彩膜基板4032靠近所述液晶层4033一侧且对应于所述显示装置的所述非摄像头放置区A2内的内置上偏光片4035、以及位于所述彩膜基板4032背向所述阵列基板4031一侧且对应于所述显示装置的所述摄像头放置区A1内的微型LED模组4036。
所述摄像头404位于所述背光模组401背向所述显示模组403一侧且对应于所述显示装置的所述摄像头放置区A1内。
其中，所述显示模组403对应于所述显示装置的所述摄像头放置区A1内设置有指纹传感器405，所述指纹传感器405的感测单元在所述彩膜基板4032上的投影与所述微型LED模组4036中的微型LED单元无重叠。
其中，所述指纹传感器405设置于所述彩膜基板4032面向所述阵列基板4031的一侧。
在一种实施例中，所述指纹传感器405的数量范围为15至35个。
在一种实施例中，所述微型LED单元包括红色微型LED单元40361、绿色微型LED单元40362、以及蓝色微型LED单元40363。
在一种实施例中，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元40361、所述绿色微型LED单元40362、所述蓝色微型LED单元40363的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
在一种实施例中，所述指纹传感器405的所述感测单元位于一行内的两个所述微型LED单元之间。
在一种实施例中，所述微型LED模组4036的整体宽度大于所述第一通孔402的孔径，以隐藏下方所述液晶层4033的框胶（图中未示出）和所述背光模组401中的胶铁框（图中未示出），避免对显示造成影响或出现黑边。
在一种实施例中，所述第一通孔402的孔径范围为2毫米至3毫米。
在一种实施例中，任一个所述微型LED单元的宽度范围为10微米至50微米。
在一种实施例中，所述背光模组401包括光源4011和光学膜片组4012，所述光源4011位于所述光学膜片组4012一侧。即所述背光模组401为侧入式背光，所述背光模组401在所述显示装置的所述摄像头放置区A1进行挖孔处理，孔径处无液晶，采用与玻璃相同折射率的透明介质填充。所述摄像头404具体设置于所述光学膜片组4012的出光侧边缘。
在一种实施例中，所述第一通孔402内侧设置有光阻挡层406。两侧的结构式光阻挡层406，作用是将主屏显示的背光和微型LED显示区域的显示隔开。
本申请实施例提供的显示装置可以为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相机、导航仪等任何具有显示功能的产品或部件。
综上所述，本申请实施例提供的一种显示装置，通过在摄像头放置区内设置微型LED模组和指纹传感器，且所述微型LED模组中的微型LED单元与所述指纹传感器的感测单元在垂直方向上无重叠，可实现全屏显示功能，屏下光学指纹解锁功能，以及拍照功能，解决了现有技术的显示装置，其摄像头区域无法显示，以及由于液晶屏较低的透过率，导致在显示区进行光学指纹光路设计和传感器排布上具有较大的难度的技术问题。
可以理解的是，对本领域普通技术人员来说，可以根据本申请的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本申请所附的权利要求的保护范围。

Claims (19)

  1. 一种显示装置，区分为摄像头放置区及非摄像头放置区，其包括：
    背光模组，所述背光模组开设有第一通孔，所述第一通孔的最大横截面对应于所述显示装置的所述摄像头放置区；
    显示模组，所述显示模组位于所述背光模组上，所述显示模组包括对盒设置的阵列基板和彩膜基板、位于所述阵列基板和所述彩膜基板之间且对应于所述显示装置的所述非摄像头放置区内的液晶层、位于所述阵列基板靠近所述背光模组一侧且对应于所述显示装置的所述非摄像头放置区内的下偏光片、位于所述彩膜基板靠近所述液晶层一侧且对应于所述显示装置的所述非摄像头放置区内的内置上偏光片、以及位于所述彩膜基板背向所述阵列基板一侧且对应于所述显示装置的所述摄像头放置区内的微型LED模组；
    摄像头，所述摄像头位于所述背光模组背向所述显示模组一侧且对应于所述显示装置的所述摄像头放置区内；
    其中，所述显示模组对应于所述显示装置的所述摄像头放置区内设置有指纹传感器，所述指纹传感器的感测单元在所述彩膜基板上的投影与所述微型LED模组中的微型LED单元无重叠。
  2. 如权利要求1所述的显示装置，其中，所述指纹传感器设置于所述阵列基板面向所述彩膜基板的一侧。
  3. 如权利要求2所述的显示装置，其中，所述指纹传感器的数量范围为15至35个。
  4. 如权利要求1所述的显示装置，其中，所述微型LED单元包括红色微型LED单元、绿色微型LED单元、以及蓝色微型LED单元，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元、所述绿色微型LED单元、所述蓝色微型LED单元的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
  5. 如权利要求4所述的显示装置，其中，所述指纹传感器的所述感测单元位于一行内的两个所述微型LED单元之间。
  6. 如权利要求1所述的显示装置，其中，所述微型LED模组的整体宽度大于所述第一通孔的孔径。
  7. 如权利要求6所述的显示装置，其中，所述第一通孔的孔径范围为2毫米至3毫米。
  8. 如权利要求6所述的显示装置，其中，任一个所述微型LED单元的宽度范围为10微米至50微米。
  9. 如权利要求1所述的显示装置，其中，所述背光模组包括光源和光学膜片组，所述光源位于所述光学膜片组一侧。
  10. 如权利要求9所述的显示装置，其中，所述第一通孔内侧设置有光阻挡层。
  11. 如权利要求1所述的显示装置，其中，所述指纹传感器设置于所述彩膜基板面向所述阵列基板的一侧。
  12. 如权利要求11所述的显示装置，其中，所述指纹传感器的数量范围为15至35个。
  13. 如权利要求11所述的显示装置，其中，所述微型LED单元包括红色微型LED单元、绿色微型LED单元、以及蓝色微型LED单元，所述微型LED单元为矩阵式排布，任一行均按照所述红色微型LED单元、所述绿色微型LED单元、所述蓝色微型LED单元的顺序循环排布，任一列的所述微型LED单元的颜色均相同。
  14. 如权利要求13所述的显示装置，其中，所述指纹传感器的所述感测单元位于一行内的两个所述微型LED单元之间。
  15. 如权利要求11所述的显示装置，其中，所述微型LED模组的整体宽度大于所述第一通孔的孔径。
  16. 如权利要求15所述的显示装置，其中，所述第一通孔的孔径范围为2毫米至3毫米。
  17. 如权利要求15所述的显示装置，其中，任一个所述微型LED单元的宽度范围为10微米至50微米。
  18. 如权利要求11所述的显示装置，其中，所述背光模组包括光源和光学膜片组，所述光源位于所述光学膜片组一侧。
  19. 如权利要求18所述的显示装置，其中，所述第一通孔内侧设置有光阻挡层。
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