WO2022257167A1 - 显示面板及电子装置 - Google Patents

显示面板及电子装置 Download PDF

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Publication number
WO2022257167A1
WO2022257167A1 PCT/CN2021/100665 CN2021100665W WO2022257167A1 WO 2022257167 A1 WO2022257167 A1 WO 2022257167A1 CN 2021100665 W CN2021100665 W CN 2021100665W WO 2022257167 A1 WO2022257167 A1 WO 2022257167A1
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WO
WIPO (PCT)
Prior art keywords
color
layer
light
display area
sub
Prior art date
Application number
PCT/CN2021/100665
Other languages
English (en)
French (fr)
Inventor
黄东晨
Original Assignee
惠州华星光电显示有限公司
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 惠州华星光电显示有限公司 filed Critical 惠州华星光电显示有限公司
Priority to US17/438,530 priority Critical patent/US20240027835A1/en
Publication of WO2022257167A1 publication Critical patent/WO2022257167A1/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
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • 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

  • the present application relates to the field of display technology, in particular to a display panel and an electronic device.
  • full-screen display devices With the improvement of display technology, full-screen display devices, narrow-frame display devices, and high-resolution display devices have become mainstream development trends in the display field. Because the full-screen display device can bring better visual experience, the audience's demand for the full-screen display device is increasing day by day.
  • the existing full-screen display devices take into account the design of the camera. Generally, a through hole or a blind hole is provided at the bottom of the screen to place the camera. The area of the display panel corresponding to the camera cannot be displayed. Therefore, a true full-screen display cannot be realized. design.
  • Embodiments of the present application provide a display panel and an electronic device, which can solve the problem that the first display area cannot perform both display and sensing functions.
  • An embodiment of the present application provides a display panel, and the display panel includes a panel main body, a backlight module, and a light sensor.
  • the panel main body includes adjacent first display areas and second display areas, the panel main body includes a plurality of first sub-pixels located in the first display area and a plurality of sub-pixels located in the second display area
  • the second sub-pixel, the plurality of first sub-pixels and the plurality of second sub-pixels all include a first substrate, and the first substrate includes a color-changing layer located in the first display area.
  • the backlight module is located on one side of the panel main body, the backlight module includes a first backlight part, the first backlight part includes a first light source, and the first light source corresponds to the first display area.
  • the light sensor is located on the one side of the panel body and corresponds to the first display area.
  • the color-changing layer has a transparent state and a color state.
  • the incident light passes through the color-changing layer to be received by the photosensor;
  • the color-changing layer is in the color state, the first Light from a light source passes through the color changing layer.
  • the color-changing layer includes a plurality of color-changing units
  • the first substrate further includes a first black matrix located in the first display area, and the first black matrix It includes a plurality of openings, each of the color changing units is located in the corresponding opening, and each of the color changing units has the color state and the transparent state.
  • the arrangement of the plurality of color-changing units is similar to the arrangement of the plurality of second sub-units away from the first display area.
  • the arrangement of the pixels is the same.
  • the first substrate further includes a color filter layer
  • the color filter layer includes a second black matrix and a color resist layer located in the second display area, wherein, The second black matrix is in the same layer and made of the same material as the first black matrix, and the color-resisting layer is in the same layer as the color-changing layer.
  • the first backlight part further includes a light control layer, the light control layer is located between the light sensor and the panel main body, the light control layer has a transparent state and fog state; wherein, when the color-changing layer is in the transparent state, the light control layer is in the transparent state for the incident light to pass through; when the color-changing layer is in the color state, the The light control layer is in the fog state, and the light control layer has a scattering structure to scatter the light of the first light source.
  • the first light source corresponds to the first display area, and the first light source is located on a side of the light control layer away from the panel main body.
  • the light sensor is installed in the first backlight portion, and the first light source surrounds the light sensor.
  • the backlight module includes a backplane and a second backlight part; wherein the backplane is located under the first backlight part and the second backlight part,
  • the backplane is provided with a groove, the groove corresponds to the first display area, the first light source is installed in the groove;
  • the second backlight part corresponds to the second display area,
  • the second backlight part includes a second light source, and the second light source is located on the backplane.
  • the backplane includes a first surface, a second surface, and a connecting surface connected to the first surface and the second surface, and the first surface is located on Under the second surface, the angle between the connection surface and the first surface is an obtuse angle, and the angle between the connection surface and the second surface is an obtuse angle; the backplane is provided with via holes, so The first surface, the second surface and the connection surface surround the via hole, and the first light source is located on the first surface.
  • the backlight module includes a backplane and a second backlight part
  • the second backlight part includes a second light source
  • both the first light source and the second light source Located on the backplane and arranged on the same layer, the distribution density of the second light source is smaller than the distribution density of the first light source.
  • a reflective layer is provided on the outer surface of the light sensor, and the reflective layer reflects the light of the first light source.
  • the plurality of first sub-pixels and the plurality of second sub-pixels further include a second substrate and a substrate located between the first substrate and the second substrate.
  • liquid crystal layer, the second substrate is located between the first substrate and the backlight module.
  • the panel body further includes a first light-shielding layer, the first light-shielding layer is located between the first substrate and the second substrate, and is adjacent to the first light-shielding layer. The junction of the first display area and the second display area.
  • the backlight module includes a second light-shielding layer, and the second light-shielding layer is adjacent to the junction of the first backlight part and the second backlight part.
  • the color-changing layer includes an electrochromic layer.
  • the backlight module further includes a reflective sheet, and the reflective sheet is located on the backplane and between any two first light sources.
  • the present application also provides an electronic device, which includes any one of the above-mentioned display panels.
  • the display panel includes a panel main body, a backlight module and a light sensor.
  • the panel main body includes adjacent first display areas and second display areas, the panel main body includes a plurality of first sub-pixels located in the first display area and a plurality of sub-pixels located in the second display area.
  • the second sub-pixel, the plurality of first sub-pixels and the plurality of second sub-pixels all include a first substrate, and the first substrate includes a color-changing layer located in the first display area.
  • the backlight module is located on one side of the panel main body, the backlight module includes a first backlight part, the first backlight part includes a first light source, and the first light source corresponds to the first display area.
  • the light sensor is located on the one side of the panel body and corresponds to the first display area.
  • the color-changing layer has a transparent state and a color state, and when the color-changing layer is in the transparent state, incident light passes through the color-changing layer to be received by the photosensor, so that the display panel displays
  • the sensing area realizes the sensing function; when the color-changing layer is in the color state, the light of the first light source passes through the color-changing layer, so as to provide backlight for the first display area through the color-changing layer and cooperate with the first light source
  • the display panel realizes the display function in the first display area, so that the first display area can take into account the display and sensing functions, which is beneficial to realize the full-screen design of the display panel.
  • FIG. 1A to 1B are schematic structural views of a display panel provided by an embodiment of the present application.
  • Fig. 1C is a schematic top view of the first display area provided by the embodiment of the present application.
  • Fig. 2 is a schematic structural diagram of the color-changing layer provided by the embodiment of the present application.
  • Fig. 3 is a schematic structural diagram of the embodiment of the present application when the first display area is in a display state
  • FIG. 4 is a schematic structural diagram of a first display area provided in an embodiment of the present application when it is in a sensing state.
  • FIG. 1A to FIG. 1B are schematic structural diagrams of the display panel provided by the embodiment of the present application
  • FIG. 1C is a schematic top view of the first display area provided by the embodiment of the present application.
  • An embodiment of the present application provides a display panel, which includes a panel main body 100 , a backlight module 200 and a light sensor 300 .
  • the panel body 100 includes a first display area 100a and a second display area 100b adjacent to each other.
  • the first display area 100a is located in the second display area 100b, and the first display area 100a and the second display area 100b have a broken line boundary 100c.
  • the panel body 100 includes a plurality of first sub-pixels 101 and a plurality of second sub-pixels 102 .
  • a plurality of the first sub-pixels 101 are all located in the first display area 100a
  • a plurality of the second sub-pixels 102 are all located in the second display area 100b.
  • the plurality of first sub-pixels 101 and the plurality of second sub-pixels 102 each include a first substrate 103, and the first substrate 103 includes a color-changing layer 104 located in the first display area 100a, and the color-changing Layer 104 has a transparent state and a color state.
  • the backlight module 200 is located on one side of the panel main body 100 , the backlight module 200 includes a first backlight part 200 a , and the first backlight part 200 a includes a first light source 201 .
  • the first backlight portion 200a corresponds to the first display area 100a, so that the first light source 201 corresponds to the first display area 100a.
  • the first light source 201 is a light emitting device, and the light emitting device includes an organic light emitting diode, a submillimeter light emitting diode or a micro light emitting diode.
  • the light sensor 300 is located on the side of the panel body 100 and corresponds to the first display area 100a. Specifically, the light sensor 300 and the backlight module 200 are located on the same side of the panel body 100, and the light sensor 300 is installed in the first backlight part 200a, and the first light source 201 surrounds the The light sensor 300 is described.
  • the light sensor 300 includes a camera, a fingerprint sensor, a distance sensor, and the like.
  • the backlight module 200 includes a backplane 202, the backplane 202 is provided with a via hole corresponding to the first display area 100a, and the light sensor 300 is facing the via hole, so that the The light sensor 300 is installed in the first backlight part 200 a, and the first light source 201 surrounds the light sensor 300 .
  • the first light source 201 When the color-changing layer 104 is in the color state, the first light source 201 is turned on, the light emitted by the first light source 201 passes through the color-changing layer 104, and passes through the first light source 201 to provide the panel body
  • the first display area 100a of 100 provides a backlight so that the display panel can display in the first display area 100a.
  • the incident light L passes through the color-changing layer 104 in the panel body 100 to be received by the light sensor 300, so as to realize the display through the light sensor 300 Sensing function of the panel.
  • the color state of the color-changing layer 104 is used to cooperate with the light emitted by the first light source 201, so that the display panel is in the second A display area 100a realizes the display function; the transparent state of the color-changing layer 104 is used to cooperate with the light sensor 300, so that the display panel can realize the sensing function when the first display area 100a is not displayed. It is beneficial to realize the full-screen design of the display panel.
  • the color-changing layer 104 includes an electrochromic layer.
  • the electrochromic layer includes a thermochromic material, an electrochromic material, a photochromic material or an aerochromic material, etc.
  • the color-changing layer 104 includes an electrochromic layer.
  • FIG. 2 is a schematic structural diagram of the color-changing layer provided by the embodiment of the present application.
  • the electrochromic layer includes a first electrode 104a, a second electrode 104b, and an electrode between the first electrode 104a and the second electrode 104b. Between the ion storage layer 104c, the ion transport layer 104d and a plurality of color changing units 104e.
  • the first electrode 104a and the second electrode 104b are transparent electrodes, and the preparation materials of the first electrode 104a and the second electrode 104b include indium tin oxide and the like.
  • the first electrode 104a includes a plurality of first sub-electrodes
  • the second electrode 104b includes a plurality of second sub-electrodes
  • the plurality of first sub-electrodes corresponds to the plurality of second sub-electrodes
  • the plurality of sub-electrodes The color changing unit 104e is located between the plurality of first sub-electrodes and the plurality of second sub-electrodes.
  • the ions stored in the ion storage layer 104c pass through the ion transport layer 104d under the action of an electric field, so as to be in contact with the first
  • the color-changing material in the color-changing unit 104e between the sub-electrode and the second sub-electrode is combined, so that the color-changing layer 104 has the color state.
  • the color changing unit 104e located between the first sub-electrode and the second sub-electrode is transparent color, so that the color-changing layer 104 has the transparent state.
  • the ion transport layer 104d includes a liquid electrolyte, an inorganic solid electrolyte or a polymer electrolyte.
  • the color-changing unit 104e includes organic electrochromic materials, inorganic electrochromic materials or composite color-changing materials.
  • the color states of the plurality of color changing units 104e are different.
  • the multiple discoloration units 104e include a first sub-discoloration unit e1, a second sub-discoloration unit e2, and a third sub-discoloration unit e3.
  • the third sub-color-changing unit e3 are in the color state, the first sub-color-changing unit e1 , the second sub-color-changing unit e2 and the third sub-color-changing unit e3 exhibit different colors.
  • the first sub-color changing unit e1 when the first sub-color changing unit e1 is in the color state, the color displayed is red, and when the second sub-color changing unit e2 is in the color state, the color displayed is green, so The color displayed by the third sub-color changing unit e3 in the color state is blue.
  • the first sub-color-changing unit e1 includes a red thiophene-based polymer electrochromic material; the second sub-color-changing unit e2 includes a green polythiophene-based electrochromic material; the third sub-color-changing unit e3 includes a blue Chromothiophene polymer electrochromic materials, Prussian blue, tungsten trioxide (WO 3 ), molybdenum trioxide (MoO 3 ), etc.
  • the color-changing layer 104 includes a plurality of color-changing units 104e, and each color-changing unit 104e has the color state and the transparent state.
  • the first substrate 103 also includes a first black matrix 105 located in the first display area 100a, the first black matrix 105 includes a plurality of openings, each of the color changing units 104e is located in the corresponding inside the opening.
  • the arrangement of the plurality of second sub-pixels 102 is the same as that of the plurality of first sub-pixels.
  • the arrangement structure of 101 is the same.
  • the arrangement makes the first sub-pixel 101 and the second sub-pixel 102 have the same arrangement structure, that is, when the color-changing layer 104 is in the color state, the arrangement of the plurality of color-changing units 104e is the same as that of the second sub-pixel 102
  • the arrangement of the plurality of second sub-pixels 102 away from the first display area 100a is the same. Specifically, please continue to refer to FIG. 1A to FIG.
  • the plurality of second sub-pixels 102 include The first color sub-pixel 102a, the second color sub-pixel 102b and the third color sub-pixel 102c emit light of different colors.
  • the sub-pixels 102a of the first color, the sub-pixels 102b of the second color and the sub-pixels 102c of the third color are arranged in sequence along the first direction x; the plurality of sub-pixels 102a of the first color are arranged along the second direction y; the plurality of sub-pixels 102b of the second color are arranged along the second direction y, and the plurality of sub-pixels 102c of the third color are arranged along the second direction y.
  • the light emission color of the first color sub-pixel 102a is red
  • the light emission color of the second color sub-pixel 102b is green
  • the light emission color of the third color sub-pixel 102c is blue.
  • the plurality of color-changing units 104e include a first sub-color-changing unit e1, a second sub-color-changing unit e2, and a third sub-color-changing unit e3, and the color displayed by the first sub-color-changing unit e1 in the color state is red, The color displayed by the second sub-color changing unit e2 in the color state is green, and the color displayed by the third sub-color changing unit e3 in the color state is blue, then in the first direction On x, the first sub-color-changing unit e1, the second sub-color-changing unit e2 and the third sub-color-changing unit e3 are arranged in sequence, and in a top view, the first sub-color-changing unit e1 and the The first color sub-pixels 102a are arranged along the second direction y, the second sub-color changing unit e2 and the second color sub-pixel 102b are arranged along the second direction y, and the third sub-color changing unit e3 and the third color sub-pixel 102
  • the first backlight part 200a further includes a light control layer 203, the light control layer 203 is located between the light sensor 300 and the panel main body 100, the light control layer 203 It has transparent state and fog state.
  • the light control layer 203 is in the transparent state
  • the discoloration layer 104 is also in the transparent state
  • the first light source 201 is turned off
  • the incident light L enters the Light sensor 300.
  • the light control layer 203 is in the fog state
  • the color-changing layer 104 is in the color state
  • the first light source 201 is turned on
  • the light control layer 203 has the scattering structure to scatter the first The light from the light source 201 .
  • the optical control layer 203 also includes a third electrode, a fourth electrode, and an optical layer located between the third electrode and the fourth electrode, and the optical layer includes a polymer network liquid crystal or a polymer dispersed liquid crystal. Further, the optical layer includes polymer network liquid crystal.
  • the percentage content of the photopolymerizable monomer included in the optical control layer 203 is about 10%-20%, if there is no electric field between the third electrode and the fourth electrode, the optical control layer 203 In the fog state; if there is an electric field between the third electrode and the fourth electrode, the light control layer 203 is in the transparent state.
  • the optical layer includes polymer dispersed liquid crystal. If there is no electric field between the third electrode and the fourth electrode, the light control layer 203 is in the fog state; if there is an electric field between the third electrode and the fourth electrode, the light The control layer 203 is in the transparent state.
  • the first light source 201 is located on a side of the light control layer 203 away from the panel body 100 , and the first light source 201 corresponds to the first display area 100 a.
  • the backlight module 200 includes a backplane 202, the backplane 202 is provided with a groove, the groove corresponds to the first display area 100a, and the second A light source 201 is installed in the groove.
  • the back plate 202 includes a first surface 203a, a second surface 203b, and a connection surface 203c connected to the first surface 203a and the second surface 203b, and the first surface 203a is located on the second surface 203b.
  • Below the two surfaces 203b there is a first included angle between the connecting surface 203c and the first surface 203a, and a second included angle between the connecting surface 203c and the second surface 203b, and the first surface 203a , the second surface 203b and the connection surface 203c surround the via hole.
  • the first included angle is an obtuse angle
  • the second included angle is an obtuse angle
  • the first light source 201 is located on the first surface 203 a such that the first light source 201 surrounds the light sensor 300 .
  • the first included angle and the second included angle may also be right angles.
  • the backlight module 200 can provide the first display area 100a with the first light source 201 Provide backlight; and because the first surface 203a is located below the second surface 203b, the distance between the first surface 203a and the panel body 100 is greater than the distance between the second surface 203b and the panel body 100 Therefore, when the first light sources 201 are arranged on the first surface 203a, the irradiation of the panel main body 100 by the multiple first light sources 201 will overlap, so that the multiple first light sources 201 201 produces a light mixing effect, which can avoid the problem that the part of the first display area 100 a corresponding to the light sensor 300 is displayed darker during display.
  • first surface 203a and the second surface 203b may also be located on the same horizontal plane.
  • the distribution density of the first light sources 201 may be greater than the distribution density of the first light sources 201 when the first surface 203a is located below the second surface 203b, so that by increasing the distribution density of the first light sources 201 The distribution density avoids the problem that the part of the light sensor 300 corresponding to the first display area 100a appears darker.
  • the outer surface of the light sensor 300 is also provided with a reflective layer, the reflective layer is used to reflect the light of the first light source 201, so as to improve the light mixing effect, thereby further avoiding the corresponding light of the light sensor 300.
  • the above-mentioned part of the first display area 100a has the problem of being darker when displayed.
  • the preparation material of the reflective layer includes metal materials such as silver and aluminum or materials such as white ink.
  • the backlight module 200 further includes a reflection sheet, and the reflection sheet is located on the back plate 202 and between any two first light sources 201 to further improve the reflection of the first light source 201.
  • the reflection of emitted light is located on the back plate 202 and between any two first light sources 201 to further improve the reflection of the first light source 201. The reflection of emitted light.
  • the second display area 100 b can be a self-luminous display area or a passive luminous display area. Further, the second display area 100b is a passive light-emitting display area, and the plurality of second sub-pixels 102 and the plurality of first sub-pixels 101 also include a second substrate 106 and a second substrate 106 located on the first substrate 103 and The liquid crystal layer 107 is between the second substrate 106 , and the second substrate 106 is located between the first substrate 103 and the backlight module 200 .
  • the backlight module 200 further includes a second backlight part 200b, the second backlight part 200b corresponds to the second display area 100b, the second backlight part 200b includes a second light source 204, and the second backlight part 200b
  • the light source 204 is located on the backplane 202 to provide backlight for the second display area 100b through the second light source 204 .
  • the second light source 204 is a side-type light source or a direct-type light source. Further, the second light source 204 is a direct light source, the first light source 201 and the second light source 204 are arranged on the same layer, and the second backlight part 200b includes a diffusion plate on the second light source 204 205, brightness enhancement film 206, etc.
  • the distribution density of the second light source 204 is smaller than the distribution density of the first light source 201, so that the part of the first display area 100a corresponding to the light sensor 300 is connected to the first light source 201 through the first light source 201.
  • the second display area 100b has a similar display effect, reducing the display difference between the first display area 100a and the second display area 100b.
  • the first substrate 103 further includes a color filter layer 108, and the color filter layer 108 includes a second black matrix 1081 and a second black matrix 1081 located in the second display area 100b.
  • Color resist layer 1082 .
  • the first black matrix 105 and the second black matrix 1081 are in the same layer and made of the same material, and the color-resisting layer 1082 is in the same layer as the color-changing layer 104 .
  • the first substrate 103 further includes a substrate 1031 , and the color filter layer 108 , the first black matrix 105 and the color-changing layer 104 are all located on the substrate 1031 .
  • the substrate 1031 includes a rigid substrate (such as glass, etc.) or a flexible substrate (such as polyimide, etc.).
  • the panel main body 100 is provided near the junction of the first display area 100a and the second display area 100b
  • the first light shielding layer 1091 is located between the first substrate 103 and the second substrate 106 and is adjacent to the junction of the first display area 100a and the second display area 100b.
  • the backlight module 200 is provided with a second light shielding unit between the first backlight unit 200a and the second backlight unit 200b.
  • Layer 1092, the second light-shielding layer 1092 is adjacent to the junction of the first backlight part 200a and the second backlight part 200b.
  • the first light shielding layer 1091 includes black photoresist.
  • the second light shielding layer 1092 is made of black ink to shield the light emitted by the second light source 204 from entering the light control layer 203 .
  • the display panel further includes unshown parts such as pixel electrodes, common electrodes and touch electrodes.
  • both the pixel electrode and the common electrode may be located on the second substrate 106, or the pixel electrode is located on the second substrate 106, and the common electrode is located on the first substrate 103 .
  • FIG. 3 is a schematic structural diagram of the first display area provided by the embodiment of the present application when it is in the display state
  • FIG. 4 is a schematic structural diagram of the first display area provided by the embodiment of the present application when it is in the sensing state.
  • the optical layer includes a polymer network liquid crystal, and the percentage content of the photopolymerization monomer included in the optical control layer 203 is about 10% to 20%; a plurality of the first sub-pixels 101 include fourth dice Taking a pixel as an example, the working principle of the first display area 100a will be described.
  • the fourth color sub-pixel has the color state, the color displayed is red, blue or green.
  • the first display area 100a when the first display area 100a is in the display state, the first light source 201 is turned on, and there is no electric field between the third electrode and the fourth electrode of the light control layer 203 , the light control layer 203 has the fog state. At the same time, there is an electric field between the first electrode 104a and the second electrode 104b of the color-changing layer 104 corresponding to the fourth color sub-pixel in the first display area 100a, and the color-changing layer 104 has the color state. If there is a driving voltage difference between the pixel electrode corresponding to the fourth color sub-pixel in the first display area 100a and the common electrode, the liquid crystal included in the liquid crystal layer 107 will play a role in the driving voltage difference. When the light is deflected, the light emitted by the first light source 201 is scattered by the light control layer 203, so that the fourth color sub-pixel realizes the display function.
  • the first display area 100a when the first display area 100a is in the sensing state, the first light source 201 is turned off, and there is no gap between the first electrode 104a and the second electrode 104b of the color-changing layer 104. With an electric field, the color changing layer 104 has the transparent state. At the same time, there is an electric field between the third electrode and the fourth electrode of the optical control layer 203 , and the optical control layer 203 has the transparent state. There is a driving voltage difference between the pixel electrode corresponding to the first sub-pixel 101 in the first display area 100a and the common electrode, so that the liquid crystal included in the liquid crystal layer 107 is under the action of the driving voltage difference. After being deflected, the incident light L passes through the panel body 100 and the light control layer 203 and enters the light sensor 300 to realize the sensing function of the display panel.
  • An embodiment of the present application further provides an electronic device, the electronic device including any one of the above-mentioned display panels.
  • the electronic device includes a fixed terminal (such as a TV, a desktop computer, etc.), a mobile terminal (such as a mobile phone, a notebook computer, etc.), a wearable device (such as a bracelet, a VR virtual display device, an AR enhanced display device) and Measuring equipment (such as thermometers, etc.), etc.

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Abstract

一种显示面板及电子装置。显示面板包括面板主体（100）、背光模组（200）及光传感器（300）；面板主体（100）包括具有透明态与颜色态的变色层（104）；背光模组（200）包括第一光源（201）。通过变色层（104）的透明态使入射光透过面板主体（100）以被光传感器（300）接收，实现感测功能；通过变色层（104）的颜色态配合第一光源（201）以使显示面板实现显示功能，有利于实现显示面板的全面屏设计。

Description

显示面板及电子装置 技术领域
本申请涉及显示技术领域，特别涉及一种显示面板及一种电子装置。
 背景技术
随着显示技术的提高，全面屏显示装置、窄边框显示装置、高分辨率显示装置等成为显示领域的主流发展趋势。全面屏显示装置因可带来更好的视觉体验，使得受众对全面屏显示装置的需求日益增加。但现有的全面屏显示装置为兼顾摄像头设计，一般会在屏幕下方设置通孔或盲孔以放置摄像头，显示面板对应摄像头所在的区域不能实现显示，因此，无法实现真正意义上的全面屏显示设计。
 技术问题
本申请实施例提供一种显示面板及电子装置，可以改善第一显示区不能兼顾显示功能及感测功能的问题。
 技术解决方案
本申请实施例提供一种显示面板，所述显示面板包括面板主体、背光模组及光传感器。
所述面板主体包括相邻的第一显示区和第二显示区，所述面板主体包括位于所述第一显示区内的多个第一子像素以及位于所述第二显示区内的多个第二子像素，多个所述第一子像素和多个所述第二子像素均包括第一基板，所述第一基板包括位于所述第一显示区内的变色层。
所述背光模组位于所述面板主体的一侧，所述背光模组包括第一背光部，所述第一背光部包括第一光源，所述第一光源对应于所述第一显示区。
所述光传感器位于所述面板主体的所述一侧并对应于所述第一显示区。
其中，所述变色层具有透明态与颜色态，所述变色层处于透明态时，入射光透过所述变色层以被所述光传感器接收；所述变色层处于颜色态时，所述第一光源的光穿过所述变色层。
可选地，在本申请的一些实施例中，所述变色层包括多个变色单元，所述第一基板还包括位于所述第一显示区内的第一黑色矩阵，所述第一黑色矩阵包括多个开口，每一所述变色单元位于对应的所述开口内，每一所述变色单元具有所述颜色态和所述透明态。
可选地，在本申请的一些实施例中，当所述变色层处于所述颜色态时，多个所述变色单元的排布与远离所述第一显示区的多个所述第二子像素的排布相同。
可选地，在本申请的一些实施例中，所述第一基板还包括彩膜层，所述彩膜层包括位于所述第二显示区内的第二黑色矩阵和色阻层，其中，所述第二黑色矩阵和所述第一黑色矩阵同层且材料相同，所述色阻层与所述变色层同层。
可选地，在本申请的一些实施例中，所述第一背光部还包括光控层，所述光控层位于所述光传感器和所述面板主体之间，所述光控层具有透明态与雾态；其中，所述变色层处于所述透明态时，所述光控层处于所述透明态以供所述入射光穿过；所述变色层处于所述颜色态时，所述光控层处于所述雾态，所述光控层具有散射结构以散射第一光源的所述光。
可选地，在本申请的一些实施例中，所述第一光源对应于所述第一显示区，所述第一光源位于所述光控层远离所述面板主体的一侧。
可选地，在本申请的一些实施例中，所述光传感器安装于所述第一背光部内，且所述第一光源围绕所述光传感器。
可选地，在本申请的一些实施例中，所述背光模组包括背板和第二背光部；其中，所述背板位于所述第一背光部和所述第二背光部之下，所述背板设有凹槽，所述凹槽对应于所述第一显示区，所述第一光源安装于所述凹槽内；所述第二背光部对应于所述第二显示区，所述第二背光部包括第二光源，所述第二光源位于所述背板上。
可选地，在本申请的一些实施例中，所述背板包括第一面、第二面及与所述第一面和所述第二面相接的连接面，所述第一面位于所述第二面之下，所述连接面与所述第一面的夹角为钝角，所述连接面与所述第二面的夹角为钝角；所述背板设有过孔，所述第一面、所述第二面及所述连接面围绕所述过孔，所述第一光源位于所述第一面上。
可选地，在本申请的一些实施例中，所述背光模组包括背板和第二背光部，所述第二背光部包括第二光源，所述第一光源及所述第二光源均位于所述背板上且同层设置，所述第二光源的分布密度小于所述第一光源的分布密度。
可选地，在本申请的一些实施例中，所述光传感器的外表面设有反射层，所述反射层反射所述第一光源的光。
可选地，在本申请的一些实施例中，多个所述第一子像素和多个所述第二子像素还包括第二基板及位于所述第一基板和所述第二基板之间的液晶层，所述第二基板位于所述第一基板与所述背光模组之间。
可选地，在本申请的一些实施例中，所述面板主体还包括第一遮光层，所述第一遮光层位于所述第一基板和所述第二基板之间，且邻近所述第一显示区和所述第二显示区的交界处。
可选地，在本申请的一些实施例中，所述背光模组包括第二遮光层，所述第二遮光层邻近所述第一背光部和所述第二背光部的交界处。
可选地，在本申请的一些实施例中，所述变色层包括电致变色层。
可选地，在本申请的一些实施例中，所述背光模组还包括反射片，所述反射片位于所述背板上且位于任意两所述第一光源之间。
本申请还提供一种电子装置，所述电子装置包括任一上述的显示面板。
 有益效果
在本申请提供的显示面板及电子装置中，所述显示面板包括面板主体、背光模组及光传感器。所述面板主体包括相邻的第一显示区和第二显示区，所述面板主体包括位于所述第一显示区内的多个第一子像素以及位于所述第二显示区内的多个第二子像素，多个所述第一子像素和多个所述第二子像素均包括第一基板，所述第一基板包括位于所述第一显示区内的变色层。所述背光模组位于所述面板主体的一侧，所述背光模组包括第一背光部，所述第一背光部包括第一光源，所述第一光源对应于所述第一显示区。所述光传感器位于所述面板主体的所述一侧并对应于所述第一显示区。其中，所述变色层具有透明态与颜色态，所述变色层处于透明态时，入射光透过所述变色层以被所述光传感器接收，以使所述显示面板在所述第一显示区实现感测功能；所述变色层处于颜色态时，所述第一光源的光穿过所述变色层，以通过所述变色层配合所述第一光源为所述第一显示区提供背光，使所述显示面板在所述第一显示区实现显示功能，从而使得所述第一显示区可兼顾显示与感测功能，有利于实现所述显示面板的全面屏设计。
 附图说明
图1A~图1B是本申请实施例提供的显示面板的结构示意图；
图1C是本申请实施例提供的第一显示区的俯视示意图；
图2是本申请实施例提供的变色层的结构示意图；
图3是本申请实施例提供第一显示区处于显示状态时的结构示意图；
图4本申请实施例提供的第一显示区处于感测状态时的结构示意图。
 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。
具体地，如图1A~图1B是本申请实施例提供的显示面板的结构示意图，如图1C是本申请实施例提供的第一显示区的俯视示意图。本申请实施例提供一种显示面板，所述显示面板包括面板主体100、背光模组200及光传感器300。
所述面板主体100包括相邻的第一显示区100a和第二显示区100b。可选地，所述第一显示区100a位于所述第二显示区100b内，所述第一显示区100a与所述第二显示区100b具有折线边界100c。
所述面板主体100包括多个第一子像素101及多个第二子像素102。其中，多个所述第一子像素101均位于所述第一显示区100a内，多个所述第二子像素102均位于所述第二显示区100b内。多个所述第一子像素101及多个所述第二子像素102均包括第一基板103，所述第一基板103包括位于所述第一显示区100a内的变色层104，所述变色层104具有透明态和颜色态。
所述背光模组200位于所述面板主体100的一侧，所述背光模组200包括第一背光部200a，所述第一背光部200a包括第一光源201。其中，所述第一背光部200a与所述第一显示区100a对应，以使所述第一光源201与所述第一显示区100a对应。
可选地，所述第一光源201为发光器件，所述发光器件包括有机发光二极管、次毫米发光二极管或微型发光二极管。
所述光传感器300位于所述面板主体100的所述一侧并对应于所述第一显示区100a。具体地，所述光传感器300与所述背光模组200位于所述面板主体100的同一侧，且所述光传感器300安装于所述第一背光部200a内，所述第一光源201围绕所述光传感器300。
可选地，所述光传感器300包括摄像头、指纹传感器、距离传感器等。所述背光模组200包括背板202，所述背板202设有过孔，所述过孔对应所述第一显示区100a，所述光传感器300正对所述过孔，以使所述光传感器300安装于所述第一背光部200a内，所述第一光源201围绕所述光传感器300。
在所述变色层104处于所述颜色态时，所述第一光源201开启，所述第一光源201发出的光穿过所述变色层104，通过所述第一光源201为所述面板主体100的所述第一显示区100a提供背光，使所述显示面板在所述第一显示区100a实现显示。在所述变色层104处于所述透明态时，入射光L穿过所述面板主体100中的所述变色层104以被所述光传感器300接收，以通过所述光传感器300实现所述显示面板的感测功能。
通过在所述显示面板中设置所述变色层104，以利用所述变色层104所具有的所述颜色态配合所述第一光源201发出的所述光，使所述显示面板在所述第一显示区100a实现显示功能；利用所述变色层104所具有的所述透明态配合所述光传感器300，使所述显示面板在所述第一显示区100a不显示时实现感测功能，有利于实现所述显示面板的全面屏设计。
可选地，所述变色层104包括场致变色层。进一步地，所述场致变色层包括热致变色材料、电致变色材料、光致变色材料或气致变色材料等。
可选地，所述变色层104包括电致变色层。具体地，如图2是本申请实施例提供的变色层的结构示意图，所述电致变色层包括第一电极104a、第二电极104b及位于所述第一电极104a和所述第二电极104b之间的离子存储层104c、离子传输层104d及多个变色单元104e。
其中，所述第一电极104a及所述第二电极104b为透明电极，所述第一电极104a及所述第二电极104b的制备材料包括氧化铟锡等。所述第一电极104a包括多个第一子电极，所述第二电极104b包括多个第二子电极，多个所述第一子电极与多个所述第二子电极对应，多个所述变色单元104e位于多个所述第一子电极与多个所述第二子电极之间。在所述第一子电极和对应的所述第二子电极施加电压时，所述离子存储层104c存储的离子在电场的作用下穿过所述离子传输层104d，以与位于所述第一子电极和所述第二子电极之间的所述变色单元104e中的变色材料相结合，从而使所述变色层104具有所述颜色态。与之相应的，在所述第一子电极和对应的所述第二子电极不施加电压时，位于所述第一子电极和所述第二子电极之间的所述变色单元104e呈透明色，从而使所述变色层104具有所述透明态。
可选地，所述离子传输层104d包括液态电解质、无机固态电解质或聚合物电解质。
可选地，所述变色单元104e包括有机电致变色材料、无机电致变色材料或复合变色材料。
可选地，多个所述变色单元104e所具有的颜色态不同。具体地，多个所述变色单元104e包括第一子变色单元e1、第二子变色单元e2及第三子变色单元e3，在所述第一子变色单元e1、所述第二子变色单元e2及所述第三子变色单元e3均处于所述颜色态时，所述第一子变色单元e1、所述第二子变色单元e2及所述第三子变色单元e3表现出的颜色不同。可选地，在所述第一子变色单元e1处于所述颜色态时所表现出的颜色为红色，所述第二子变色单元e2处于所述颜色态时所表现出的颜色为绿色，所述第三子变色单元e3处于所述颜色态时所表现出的颜色为蓝色。进一步地，所述第一子变色单元e1包括红色噻吩类聚合物电致变色材料；所述第二子变色单元e2包括绿色聚噻吩类电致变色材料；所述第三子变色单元e3包括蓝色噻吩类聚合物电致变色材料、普鲁士蓝、三氧化钨(WO 3)、三氧化钼(MoO 3)等。
请继续参阅图1A~图1B，所述变色层104包括多个所述变色单元104e，每一所述变色单元104e均具有所述颜色态和所述透明态。所述第一基板103还包括位于所述第一显示区100a内的第一黑色矩阵105，所述第一黑色矩阵105包括多个所述开口，每一所述变色单元104e位于对应的所述开口内。
进一步地，为降低所述显示面板的所述第一显示区100a和所述第二显示区100b的显示差异，多个所述第二子像素102的排布与多个所述第一子像素101的排布结构相同。
而由于多个所述第一子像素101通过多个所述变色单元104e所具有的所述颜色态配合所述第一光源201实现颜色显示，因此，可通过设置多个所述变色单元104e的排布使所述第一子像素101与所述第二子像素102具有相同的排布结构，即当所述变色层104处于所述颜色态时，多个所述变色单元104e的排布与远离所述第一显示区100a的多个所述第二子像素102的排布相同。具体地，请继续参阅图1A~图1B，以多个所述第二子像素102在所述第二显示区100b内以标准RGB排列为例进行说明，多个所述第二子像素102包括发光颜色不同的第一色子像素102a、第二色子像素102b及第三色子像素102c。所述第一色子像素102a、所述第二色子像素102b及所述第三色子像素102c沿第一方向x依次排布；多个所述第一色子像素102a沿第二方向y排列，多个所述第二色子像素102b沿所述第二方向y排列，多个所述第三色子像素102c沿所述第二方向y排列。可选地，所述第一色子像素102a的发光颜色为红色、所述第二色子像素102b的发光颜色为绿色，所述第三色子像素102c的发光颜色为蓝色。
多个所述变色单元104e包括第一子变色单元e1、第二子变色单元e2及第三子变色单元e3，所述第一子变色单元e1处于所述颜色态时表现出的颜色为红色，所述第二子变色单元e2处于所述颜色态时表现出的颜色为绿色，所述第三子变色单元e3处于所述颜色态时表现出的颜色为蓝色，则在所述第一方向x上，所述第一子变色单元e1、所述第二子变色单元e2及所述第三子变色单元e3依次排布，且在俯视视角下，所述第一子变色单元e1与所述第一色子像素102a沿所述第二方向y排布，所述第二子变色单元e2与所述第二色子像素102b沿所述第二方向y排布，所述第三子变色单元e3与所述第三色子像素102c沿所述第二方向y排布，以使所述第一子变色单元e1、所述第二子变色单元e2及所述第三子变色单元e3处于所述颜色态时表现出与所述第一色子像素102a、所述第二色子像素102b及所述第三色子像素102c发光颜色相同的颜色，降低所述第一显示区100a和所述第二显示区100b的显示差异。
请继续参阅图1A~图1B，所述第一背光部200a还包括光控层203，所述光控层203位于所述光传感器300与所述面板主体100之间，所述光控层203具有透明态和雾态。其中，在所述光控层203处于所述透明态时，所述变色层104也处于所述透明态，所述第一光源201关闭，所述入射光L经所述面板主体100进入所述光传感器300中。在所述光控层203处于所述雾态时，所述变色层104处于所述颜色态，所述第一光源201开启，所述光控层203具有所述散射结构以散射所述第一光源201的所述光。
具体地，所述光控层203还包括第三电极、第四电极及位于所述第三电极和所述第四电极之间的光学层，所述光学层包括聚合物网络液晶或聚合物分散液晶。进一步地，所述光学层包括聚合物网络液晶。在所述光控层203中包括的光聚合单体的百分比含量约为10%~20%时，若所述第三电极与所述第四电极之间不具有电场，所述光控层203处于所述雾态；若所述第三电极与所述第四电极之间具有电场，所述光控层203处于所述透明态。在所述光控层203中包括的可光聚合单体的百分比含量<10%时，若所述第三电极与所述第四电极之间不具有电场时，所述光控层203处于所述透明态；若所述第三电极与所述第四电极之间具有所述电场时，所述光控层203处于所述雾态。进一步地，所述光学层包括聚合物分散液晶。若所述第三电极与所述第四电极之间不具有电场，所述光控层203处于所述雾态；若所述第三电极与所述第四电极之间具有电场，所述光控层203处于所述透明态。
所述第一光源201位于所述光控层203远离所述面板主体100的一侧，且所述第一光源201对应于所述第一显示区100a。具体地，请继续参阅图1A~图1C，所述背光模组200包括背板202，所述背板202设有凹槽，所述凹槽对应于所述第一显示区100a，所述第一光源201安装于所述凹槽内。
具体地，所述背板202包括第一面203a、第二面203b及与所述第一面203a和所述第二面203b相接的连接面203c，所述第一面203a位于所述第二面203b之下，所述连接面203c与所述第一面203a之间具有第一夹角，所述连接面203c与所述第二面203b具有第二夹角，所述第一面203a、所述第二面203b及所述连接面203c围绕所述过孔。其中，所述第一夹角为钝角，所述第二夹角为钝角，所述第一光源201位于所述第一面203a上，以使所述第一光源201围绕所述光传感器300。可选地，所述第一夹角与所述第二夹角还可以为直角。
通过将所述第一光源201设置在所述第一面203a上，且围绕所述光传感器300设置，可以使所述背光模组200通过所述第一光源201为所述第一显示区100a提供背光；且由于所述第一面203a位于所述第二面203b之下，所述第一面203a距所述面板主体100的距离大于所述第二面203b距所述面板主体100的距离，因此在将所述第一光源201设置在所述第一面203a上时，多个所述第一光源201对所述面板主体100的照射会存在交叠，使多个所述第一光源201产生混光效果，可以避免所述光传感器300对应的所述第一显示区100a的部分在显示时出现显示较暗的问题。
此外，所述第一面203a和所述第二面203b还可位于同一水平面上。此时，所述第一光源201的分布密度可大于所述第一面203a位于所述第二面203b之下时所述第一光源201的分布密度，以通过增加所述第一光源201的分布密度避免所述光传感器300对应所述第一显示区100a的部分出现显示较暗的问题。
进一步地，所述光传感器300的外表面还设有反射层，所述反射层用于反射所述第一光源201的光，以提高混光效果，从而进一步避免所述光传感器300对应的所述第一显示区100a的部分在显示时出现显示较暗的问题。
可选地，所述反射层的制备材料包括银、铝等金属材料或白色油墨等材料。
可选地，所述背光模组200还包括反射片，所述反射片位于所述背板202上，且位于任意两所述第一光源201之间，以进一步提高对所述第一光源201发出的光的反射。
请继续参阅图1A~图1B，所述第二显示区100b可为自发光显示区域或被动发光显示区域。进一步地，所述第二显示区100b为被动发光显示区域，多个所述第二子像素102和多个所述第一子像素101还包括第二基板106以及位于所述第一基板103及所述第二基板106之间的液晶层107，所述第二基板106位于所述第一基板103与所述背光模组200之间。
相应地，所述背光模组200还包括第二背光部200b，所述第二背光部200b对应所述第二显示区100b，所述第二背光部200b包括第二光源204，所述第二光源204位于所述背板202上，以通过所述第二光源204为所述第二显示区100b提供背光。
可选地，所述第二光源204为侧入式光源或直下式光源。进一步地，所述第二光源204为直下式光源，所述第一光源201与所述第二光源204同层设置，所述第二背光部200b包括位于所述第二光源204上的扩散板205、增亮膜206等。
可选地，所述第二光源204的分布密度小于所述第一光源201的分布密度，以通过所述第一光源201使所述光传感器300对应的所述第一显示区100a的部分与所述第二显示区100b具有相近的显示效果，降低所述第一显示区100a与所述第二显示区100b之间的显示差异。
为实现所述第二显示区100b的全彩显示，所述第一基板103还包括彩膜层108，所述彩膜层108包括位于所述第二显示区100b内的第二黑色矩阵1081和色阻层1082。其中，所述第一黑色矩阵105与所述第二黑色矩阵1081同层且材料相同，所述色阻层1082与所述变色层104同层。
进一步地，所述第一基板103还包括衬底1031，所述彩膜层108、所述第一黑色矩阵105及所述变色层104均位于所述衬底1031上。可选地，所述衬底1031包括刚性衬底（如玻璃等）或柔性衬底（如聚酰亚胺等）。
为避免所述第一显示区100a和所述第二显示区100b之间出现显示干扰，所述面板主体100在邻近所述第一显示区100a与所述第二显示区100b的交界处设有第一遮光层1091。具体地，所述第一遮光层1091位于所述第一基板103与所述第二基板106之间，且邻近所述第一显示区100a与所述第二显示区100b的交界处。
为避免所述第一背光部200a和第二背光部200b之间出现背光干扰，所述背光模组200在所述第一背光部200a和所述第二背光部200b之间设有第二遮光层1092，所述第二遮光层1092邻近所述第一背光部200a与所述第二背光部200b的交界处。
可选地，所述第一遮光层1091包括黑色光阻。所述第二遮光层1092为黑色油墨，以遮挡所述第二光源204发出的光进入所述光控层203内。
可以理解的，所述显示面板还包括像素电极、公共电极及触控电极等未示出部分。可选地，所述像素电极和所述公共电极可均位于所述第二基板106上，或所述像素电极位于所述第二基板106上，所述公共电极位于所述第一基板103上。
如图3是本申请实施例提供第一显示区处于显示状态时的结构示意图，如图4本申请实施例提供的第一显示区处于感测状态时的结构示意图。以所述光学层包括聚合物网络液晶，且所述光控层203中包括的光聚合单体的百分比含量约为10%~20%；多个所述第一子像素101包括第四色子像素为例，对所述第一显示区100a的工作原理进行说明。可选地，所述第四色子像素具有所述颜色态时所表现出的颜色为红色、蓝色或绿色等。
请继续参阅图3，在所述第一显示区100a处于显示状态时，所述第一光源201开启，所述光控层203的所述第三电极和所述第四电极之间不具有电场，所述光控层203具有所述雾态。与此同时，所述第一显示区100a内与所述第四色子像素对应的所述变色层104的所述第一电极104a及所述第二电极104b之间具有电场，所述变色层104具有所述颜色态。若所述第一显示区100a内与所述第四色子像素对应的像素电极与公共电极之间具有驱动压差，使得所述液晶层107中所包括的液晶在所述驱动压差的作用下进行偏转，则所述第一光源201发出的光经所述光控层203散射，使得所述第四色子像素实现显示功能。
请继续参阅图4，在所述第一显示区100a处于感测状态时，所述第一光源201关闭，所述变色层104的所述第一电极104a及所述第二电极104b之间不具有电场，所述变色层104具有所述透明态。与此同时，所述光控层203的所述第三电极和所述第四电极之间具有电场，所述光控层203具有所述透明态。所述第一显示区100a内与所述第一子像素101对应的像素电极与公共电极之间具有驱动压差，使得所述液晶层107中所包括的液晶在所述驱动压差的作用下进行偏转，所述入射光L穿过所述面板主体100及所述光控层203进入所述光传感器300中，以实现所述显示面板的感测功能。
本申请实施例还提供一种电子装置，所述电子装置包括任一上述的显示面板。可选地，所述电子装置包括固定终端（如电视、台式电脑等），移动终端（如手机、笔记本电脑等）、可穿戴设备（如手环、VR虚拟显示设备、AR增强显示设备）以及测量设备（如测温仪等）等。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种显示面板，其中，包括：
    面板主体，包括相邻的第一显示区和第二显示区，所述面板主体包括位于所述第一显示区内的多个第一子像素以及位于所述第二显示区内的多个第二子像素，多个所述第一子像素和多个所述第二子像素包括第一基板，所述第一基板包括位于所述第一显示区内的变色层；
    背光模组，位于所述面板主体的一侧，所述背光模组包括第一背光部，所述第一背光部包括第一光源，所述第一光源对应于所述第一显示区；以及，
    光传感器，位于所述面板主体的所述一侧并对应于所述第一显示区；
    其中，所述变色层具有透明态与颜色态，所述变色层处于透明态时，入射光透过所述变色层以被所述光传感器接收；所述变色层处于颜色态时，所述第一光源的光穿过所述变色层。
  2. 根据权利要求1所述的显示面板，其中，所述变色层包括多个变色单元，所述第一基板还包括位于所述第一显示区内的第一黑色矩阵，所述第一黑色矩阵包括多个开口，每一所述变色单元位于对应的所述开口内，每一所述变色单元具有所述颜色态和所述透明态。
  3. 根据权利要求2所述的显示面板，其中，当所述变色层处于所述颜色态时，多个所述变色单元的排布与远离所述第一显示区的多个所述第二子像素的排布相同。
  4. 根据权利要求2所述的显示面板，其中，所述第一基板还包括彩膜层，所述彩膜层包括位于所述第二显示区内的第二黑色矩阵和色阻层，其中，所述第二黑色矩阵和所述第一黑色矩阵同层且材料相同，所述色阻层与所述变色层同层。
  5. 根据权利要求1所述的显示面板，其中，所述第一背光部还包括光控层，所述光控层位于所述光传感器和所述面板主体之间，所述光控层具有透明态与雾态；其中，所述变色层处于所述透明态时，所述光控层处于所述透明态以供所述入射光穿过；所述变色层处于所述颜色态时，所述光控层处于所述雾态，所述光控层具有散射结构以散射第一光源的所述光。
  6. 根据权利要求5所述的显示面板，其中，所述第一光源对应于所述第一显示区，所述第一光源位于所述光控层远离所述面板主体的一侧。
  7. 根据权利要求6所述的显示面板，其中，所述光传感器安装于所述第一背光部内，且所述第一光源围绕所述光传感器。
  8. 根据权利要求6所述的显示面板，其中，所述背光模组包括背板和第二背光部；其中，所述背板位于所述第一背光部和所述第二背光部之下，所述背板设有凹槽，所述凹槽对应于所述第一显示区，所述第一光源安装于所述凹槽内；所述第二背光部对应于所述第二显示区，所述第二背光部包括第二光源，所述第二光源位于所述背板上。
  9. 根据权利要求8所述的显示面板，其中，所述背板包括第一面、第二面及与所述第一面和所述第二面相接的连接面，所述第一面位于所述第二面之下，所述连接面与所述第一面的夹角为钝角，所述连接面与所述第二面的夹角为钝角；所述背板设有过孔，所述第一面、所述第二面及所述连接面围绕所述过孔，所述第一光源位于所述第一面上。
  10. 根据权利要求6所述的显示面板，其中，所述背光模组包括背板和第二背光部，所述第二背光部包括第二光源，其中，所述第一光源及所述第二光源均位于所述背板上且同层设置，所述第二光源的分布密度小于所述第一光源的分布密度。
  11. 根据权利要求7所述的显示面板，其中，所述光传感器的外表面设有反射层，所述反射层反射所述第一光源的光。
  12. 根据权利要求4所述的显示面板，其中，多个所述第一子像素和多个所述第二子像素还包括第二基板及位于所述第一基板和所述第二基板之间的液晶层，所述第二基板位于所述第一基板与所述背光模组之间。
  13. 根据权利要求12所述的显示面板，其中，所述面板主体还包括第一遮光层，所述第一遮光层位于所述第一基板和所述第二基板之间，且邻近所述第一显示区和所述第二显示区的交界处。
  14. 根据权利要求8所述的显示面板，其中，所述背光模组包括第二遮光层，所述第二遮光层邻近所述第一背光部和所述第二背光部的交界处。
  15. 根据权利要求1所述的显示面板，其中，所述变色层包括电致变色层。
  16. 根据权利要求8所述的显示面板，其中，所述背光模组还包括反射片，所述反射片位于所述背板上且位于任意两所述第一光源之间。
  17. 一种电子装置，其中，包括显示面板，所述显示面板包括：
    面板主体，包括相邻的第一显示区和第二显示区，所述面板主体包括位于所述第一显示区内的多个第一子像素以及位于所述第二显示区内的多个第二子像素，多个所述第一子像素和多个所述第二子像素包括第一基板，所述第一基板包括位于所述第一显示区内的变色层；
    背光模组，位于所述面板主体的一侧，所述背光模组包括第一背光部，所述第一背光部包括第一光源，所述第一光源对应于所述第一显示区；以及，
    光传感器，位于所述面板主体的所述一侧并对应于所述第一显示区；
    其中，所述变色层具有透明态与颜色态，所述变色层处于透明态时，入射光透过所述变色层以被所述光传感器接收；所述变色层处于颜色态时，所述第一光源的光穿过所述变色层。
  18. 根据权利要求17所述的电子装置，其中，所述变色层包括多个变色单元，所述第一基板还包括位于所述第一显示区内的第一黑色矩阵，所述第一黑色矩阵包括多个开口，每一所述变色单元位于对应的所述开口内，每一所述变色单元具有所述颜色态和所述透明态。
  19. 根据权利要求18所述的电子装置，其中，当所述变色层处于所述颜色态时，多个所述变色单元的排布与远离所述第一显示区的多个所述第二子像素的排布相同。
  20. 根据权利要求17所述的电子装置，其中，所述第一背光部还包括光控层，所述光控层位于所述光传感器和所述面板主体之间，所述光控层具有透明态与雾态；其中，所述变色层处于所述透明态时，所述光控层处于所述透明态以供所述入射光穿过；所述变色层处于所述颜色态时，所述光控层处于所述雾态，所述光控层具有散射结构以散射第一光源的所述光。
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