WO2021027110A1 - 显示面板及电子设备 - Google Patents

显示面板及电子设备 Download PDF

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Publication number
WO2021027110A1
WO2021027110A1 PCT/CN2019/116131 CN2019116131W WO2021027110A1 WO 2021027110 A1 WO2021027110 A1 WO 2021027110A1 CN 2019116131 W CN2019116131 W CN 2019116131W WO 2021027110 A1 WO2021027110 A1 WO 2021027110A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive circuit
area
pixel
pixel drive
display
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/116131
Other languages
English (en)
French (fr)
Inventor
赵勇
廖作敏
陈涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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 Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/624,805 priority Critical patent/US11611720B2/en
Publication of WO2021027110A1 publication Critical patent/WO2021027110A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65OLEDs integrated with inorganic image sensors
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/48Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/141Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H04N7/144Constructional details of the terminal equipment, e.g. arrangements of the camera and the display camera and display on the same optical axis, e.g. optically multiplexing the camera and display for eye to eye contact
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0264Details of the structure or mounting of specific components for a camera module assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly

Definitions

  • This application relates to the field of display technology, and in particular to a display panel and electronic equipment.
  • a display light-transmitting area is provided on the active matrix organic light-emitting diode display panel, and a position corresponding to the display light-transmitting area of the active matrix organic light emitting diode display panel is set.
  • the under-screen camera is a way to improve user experience.
  • how to increase the light transmittance of the display light-transmitting area of the active matrix organic light emitting diode display panel to improve the photographing effect of the under-screen camera is a problem to be solved.
  • the purpose of this application is to provide a display panel and an electronic device.
  • the display light-transmitting area of the display panel and the electronic device has a higher light transmittance.
  • the present application provides a display panel, the display panel has a function additional area, the function additional area has at least one display light-transmitting area, the display light-transmitting area is provided with a plurality of first displays A pixel, a plurality of pixel driving circuit islands, a plurality of first signal lines, and a plurality of second signal lines are arranged on the periphery of the display light-transmitting area, each of the pixel driving circuit islands includes a plurality of first pixel driving circuits, The plurality of first signal lines and the plurality of second signal lines are electrically connected to the plurality of first pixel driving circuits in the plurality of pixel driving circuit islands, and at least part of the pixel driving circuit islands are at least Part of the first pixel driving circuit is used to drive a plurality of the first display pixels in the display light-transmitting area to emit light.
  • each of the first signal lines includes a first detour section
  • each of the second signal lines includes a second detour section
  • the first detour section and the second detour section are located on different layers.
  • the first detour sections of the plurality of first signal lines are arranged at the edge of the display light-transmitting area
  • the second detour sections of the plurality of second signal lines are arranged at the display light-transmitting area the edge of.
  • the second winding sections of the plurality of second signal lines are arranged around at least part of the display light-transmitting area, and at least part of the pixel drive circuit islands are arranged on the plurality of second signal lines. Within the area enclosed by the second detour section of the signal line.
  • the display light-transmitting area is an axially symmetric area
  • the display light-transmitting area is symmetrical about a first symmetry axis and a second symmetry axis
  • the first symmetry axis and the second symmetry axis are perpendicular to each other
  • the first winding sections of the plurality of first signal lines are divided into two groups, and the two groups of the first winding sections are symmetrically arranged at the edges of opposite sides of the display light-transmitting area about the first symmetry axis ;
  • the second winding sections of the plurality of second signal lines are divided into two groups, and the two groups of second winding sections are symmetrically arranged at the edge of the display light-transmitting area about the second symmetry axis.
  • At least part of the pixel drive circuit islands are arranged at the edge of the display light-transmitting area, at least part of the pixel drive circuit islands include a first group of pixel drive circuit islands and a second group of pixel drive circuit islands,
  • the pixel drive circuit islands in the first group of pixel drive circuit islands and the pixel drive circuit islands in the second group of pixel drive circuit islands are mirrored about the first axis of symmetry and are arranged in the display transparent The edges on opposite sides of the zone;
  • One group of the first detour sections are electrically connected to each of the pixel drive circuit islands in the first group of pixel drive circuit islands, and the other group of the first detour sections are electrically connected to the second group in turn Each of the pixel drive circuit islands in the pixel drive circuit island;
  • Both ends of each group of the second detour sections are electrically connected to the pixel drive circuit islands of the first group of pixel drive circuit islands and the pixel drive circuit islands of the second group of pixel drive circuit islands that are arranged mirroring each other.
  • the display light-transmitting area corresponds to the edge of the first circuitous section relative to the display light-transmitting area corresponding to the first group of pixel drive circuit islands and the second group of pixel drive circuit islands
  • the edge of the pixel drive circuit island is convex or recessed.
  • the first group of pixel drive circuit islands and the second group of pixel drive circuit islands are arranged side by side in a straight line, or, the first group of pixel drive circuit islands and the second group of pixel drive The circuit islands are arranged in an arc.
  • the pixel drive circuit islands are arranged in a circular arrangement on the edge of the display light-transmitting area, and the second roundabout sections of the plurality of second signal lines surround at least part of the periphery of the pixel drive circuit islands Are arranged and electrically connected to at least part of the pixel driving circuit islands in the pixel driving circuit island, and the first detour sections of the plurality of first signal lines are electrically connected to at least part of the pixel driving circuit in turn Any two adjacent pixel drive circuit islands among the islands.
  • the at least part of the pixel drive circuit islands further includes a third group of pixel drive circuit islands, and the pixel drive circuit islands in the third group of pixel drive circuit islands are located on the first symmetry axis and Regarding the pixel drive circuit islands symmetrically arranged on the second symmetry axis,
  • One group of said first detour sections includes a first cluster of first detour sections and a second cluster of first detour sections, and the other set of said first detour sections includes a third cluster of first detour sections and a fourth cluster of first detour sections ,
  • the first detour section of the first cluster is electrically connected to the pixel drive circuit islands in the first group of pixel drive circuit islands
  • the first detour section of the second cluster is electrically connected to the first group of pixel drive circuits Islands and pixel drive circuit islands in the third group of pixel drive circuit islands
  • the first detour section of the third cluster is in turn electrically connected to the pixel drive circuit islands in the second group of pixel drive circuit islands
  • the fourth cluster The first detour section is electrically connected to the pixel drive circuit islands of the second group of pixel drive circuit islands and the third group of pixel drive circuit islands
  • Each group of the second detour sections includes at least three clusters of second detour sections with different lengths.
  • One cluster of the second detour sections is electrically connected to the pixel drive circuit islands in the third group of pixel drive circuit islands, and the rest Both ends of the second detour section of each cluster are electrically connected to the two pixel drive circuit islands in the first group of pixel drive circuit islands and the second group of pixel drive circuit islands that are arranged mirrored to each other.
  • each group of the second winding section extends from one side of the second symmetry axis to the two opposite sides of the first symmetry axis, and each group of the second winding section Each end is divided into at least two clusters of the second winding sections of different lengths on one side of the first symmetry axis, and at least two clusters of the second winding sections of different lengths respectively located on opposite sides of the first symmetry axis
  • the segments respectively extend to the corresponding positions of the pixel drive circuit islands in the first group of pixel drive circuit islands and the second group of pixel drive circuit islands.
  • the display panel further includes a plurality of connecting lines, the connecting lines and the second detour sections are located on different layers, and each cluster of the second detour sections is connected to the first through the connecting lines.
  • the group of pixel drive circuit islands is electrically connected to one of the pixel drive circuit islands of the second group of pixel drive islands.
  • the display panel further includes a main display area, a plurality of first sector areas and a plurality of second sector areas, the main display area is located at the periphery of the function additional area, and the plurality of first sector areas And a plurality of second sector areas are all arranged in the main display area and located at the periphery of the function additional area,
  • Each of the first signal lines further includes a first straight line segment located in the main display area and a first transition segment located in the first sector area
  • each of the second signal lines further includes a first straight line segment located in the main display area.
  • the first straight section extends from the main display area to the first sector area to be electrically connected to the first transition section
  • the second straight section extends from the main display area to the second
  • the fan-shaped area is electrically connected to the second transition section
  • the first transition section is electrically connected to the first circuitous section one-to-one
  • the second circuitous section is one-to-one to the second transition section Electrical connection.
  • the main display area is provided with a plurality of second display pixels
  • the display panel further includes a fourth group of pixel drive circuit islands, and the fourth group of pixel drive circuit islands are provided in the main display area
  • each pixel drive circuit island in the fourth group of pixel drive circuit islands includes a plurality of first pixel drive circuits, and at least part of the first pixel drive circuit islands in the fourth group of pixel drive circuit islands
  • a pixel driving circuit is used to drive the second display pixels in the plurality of first sector regions and the plurality of second sector regions to emit light.
  • the main display area is provided with a plurality of second display pixels, and the main display area is further provided with a plurality of second pixel driving circuits to drive a plurality of the second displays in the main display area.
  • the pixels emit light, and the area occupied by each of the first pixel driving circuits of the display panel is smaller than the area occupied by each of the second pixel driving circuits of the display panel.
  • the sum of the device areas of each of the first pixel driving circuits is smaller than the sum of the device areas of each of the second pixel driving circuits, and/or,
  • the sum of the number of devices in each of the first pixel drive circuits is less than the sum of the number of devices in each of the second pixel drive circuits, and/or,
  • the average wiring area of each first pixel driving circuit is smaller than the average wiring area of each second pixel driving circuit
  • the device bar includes at least one of a switch unit and a capacitor, and the wiring includes a plurality of signal wires.
  • the first signal line is at least one of a gate line and a reset line
  • the second signal line is a data line
  • the spacing between two adjacent first pixel drive circuits in each pixel drive circuit island is smaller than the spacing between any two adjacent first display pixels, and The distance between the two pixel driving circuit islands is greater than the distance between any two adjacent first display pixels.
  • At least a part of the first pixel driving circuit in at least a part of the pixel driving circuit island and a plurality of the first display pixels are electrically connected by a transparent wire.
  • An electronic device comprising a display panel and a photosensitive unit, the display panel has a function additional area, the function additional area has at least one display light transmission area, the display light transmission area is provided with a plurality of A first display pixel, a plurality of pixel driving circuit islands, a plurality of first signal lines, and a plurality of second signal lines are arranged on the periphery of the display light-transmitting area, each of the pixel driving circuit islands includes a plurality of first pixels A driving circuit, a plurality of the first signal lines and a plurality of the second signal lines are electrically connected to a plurality of first pixel driving circuits in a plurality of the pixel driving circuit islands, at least a part of the pixel driving circuit At least a part of the first pixel driving circuit of the island is used to drive a plurality of the first display pixels in the display light-transmitting area to emit light,
  • the photosensitive unit is arranged on one side of the display panel and corresponding to the function additional area.
  • the value range of the area of each display light-transmitting area is 0.32 mm 2 -120 mm 2 .
  • the present application provides a display panel and an electronic device.
  • a plurality of pixel driving circuit islands, a plurality of first signal lines, and a plurality of second signal lines are arranged on the periphery of a display light-transmitting area, and each pixel driving circuit island includes a plurality of The first pixel driving circuit, the plurality of first signal lines and the plurality of second signal lines are electrically connected to the first pixel driving circuit of the plurality of pixel driving circuit islands, and at least part of the first pixel driving circuit of at least part of the pixel driving circuit island is driven
  • the circuit is used to drive a plurality of first display pixels in the display light-transmitting area to emit light, so as to increase the light transmittance of the display light-transmitting area of the display panel, so that the photosensitive unit of the electronic device receives more light signals.
  • FIG. 1 is a first plan schematic diagram of a display panel according to an embodiment of the application
  • FIG. 2 is a schematic diagram of a second plan view of a display panel according to an embodiment of the application.
  • Fig. 3 is a first partial enlarged view of the display panel shown in Fig. 1;
  • FIG. 4 is a partial schematic diagram of the display panel shown in FIG. 3;
  • FIG. 5 is a schematic diagram of a pixel driving circuit island in FIG. 3;
  • FIG. 6 is a schematic cross-sectional view of the display panel shown in FIG. 3;
  • FIG. 7 is a schematic diagram of the first pixel driving circuit of this application.
  • FIG. 8 is a second partial enlarged view of the display panel shown in FIG. 1;
  • FIG. 9 is a partial schematic diagram of the display panel shown in FIG. 8.
  • FIG. 10 is a third partial enlarged view of the display panel shown in FIG. 1;
  • FIG. 11 is a partial schematic diagram of the display panel shown in FIG. 10.
  • FIG. 1 is a first plan view of a display panel according to an embodiment of the application.
  • the display panel 100 is an active matrix organic light emitting diode display panel.
  • the display panel 100 has a main display area 100a, and the main display area 100a is mainly used for displaying images.
  • the display panel 100 further has a function additional area 100b, and the function additional area 100b has at least one display light-transmitting area 100c.
  • the function additional area 100b may have a display light-transmitting area 100c.
  • the size of the display light transmission area 100c may be equal to the size of the function additional area 100b, that is, the function additional area 100b and the display light transmission area 100c completely overlap; the size of the display light transmission area 100c may also be smaller than the size of the function additional area 100b, that is, the display light transmission area
  • the light zone 100c is located in the function additional zone 100b.
  • the function additional area 100b may also have multiple display light-transmitting areas 100c, and the multiple display light-transmitting areas 100c are uniformly and regularly arranged in the function additional area 100b.
  • the display light-transmitting area 100c can transmit light so that the photosensitive unit located on the side of the display panel 100 and corresponding to the function additional area 100b can receive light signals and convert the light signals into electricity signal.
  • the display light transmission area 100c may be circular, rectangular, rounded rectangle or irregular polygon.
  • the photosensitive unit may be a camera, an optical touch component, an optical fingerprint recognition sensor, etc. Specifically, the photosensitive unit is a camera.
  • Figure 3 is a partial enlarged view of the first type of display panel shown in Figure 1
  • Figure 4 is a partial schematic diagram of the display panel shown in Figure 3
  • Figure 5 is in Figure 3
  • FIG. 6 is a schematic cross-sectional view of the display panel shown in FIG. 3.
  • the display panel 100 has a main display area 100a, a plurality of first sector areas 100d, a plurality of second sector areas 100e, and a function additional area 100b.
  • the display panel 100 includes a plurality of first display pixels 101, a plurality of second display pixels 102, a plurality of second pixel driving circuits 103, a plurality of first signal lines 104, a plurality of second signal lines 105, and a plurality of pixel driving circuits
  • the island 106 and the connecting line 107 includes a plurality of first display pixels 101, a plurality of second display pixels 102, a plurality of second pixel driving circuits 103, a plurality of first signal lines 104, a plurality of second signal lines 105, and a plurality of pixel driving circuits The island 106 and the connecting line 107.
  • the main display area 100a is provided with a plurality of second display pixels 102.
  • the main display area 100a is located at the periphery of the function additional area 100b.
  • Each second display pixel 102 includes at least three second sub-pixels.
  • Each second display pixel 102 includes a red second sub-pixel, a blue second sub-pixel, and a green second sub-pixel.
  • the red second sub-pixel, the blue second sub-pixel and the green second sub-pixel are all organic light emitting diodes.
  • the main display area 100a is also provided with a plurality of second pixel driving circuits 103 to drive the plurality of second display pixels 102 of the main display area 100a to emit light.
  • a second pixel driving circuit 103 is correspondingly provided under each organic light emitting diode.
  • Each second pixel driving circuit 103 may include a switching element, a capacitor, and other devices.
  • Each second pixel driving circuit 103 also includes wiring that electrically connects multiple devices.
  • the switching element may
  • the function additional area 100b is used to set functional devices, so that the display panel 100 realizes functions other than the display function, such as a photographing function, an optical touch function, and an optical fingerprint recognition.
  • the entire function display area 100b is provided with a plurality of pixels for display, that is, the function additional area 100b of the display panel 100 and the main display 100a area are both provided with pixels for display.
  • the function additional area 100b may be located at one end of the display panel 100, or may be located in the middle of the display panel 100.
  • the light transmittance of the area between two adjacent display light-transmitting areas 100c may be less than the light transmittance of the display light-transmitting area 100c.
  • the pixel density of the pixels in the area between two adjacent display transparent regions 100c may be the same as the pixel density of the first display pixel 101 of the display transparent region 100c, or may be the same as the pixel density of the second display pixel 102 of the main display region 100a. The density is the same, or is different from the pixel density of the first display pixel 101 of the display light-transmitting area 100c and the second display pixel 102 of the main display area 100a.
  • each display light-transmitting area 100c is larger than the area of each second display pixel 102 of the main display area 100a.
  • the ratio of the area of each display light-transmitting area 100c to the area of each second display pixel 102 of the main display area 100a ranges from 50 to 210,000.
  • the ratio is 100, 1000, 2000, 5000, 10000 and 200000 etc.
  • the range of the area of each display light-transmitting area 100c is 0.32mm 2 -120mm 2 to ensure that when the additional function area 100b of the display panel 100 is provided with a camera, the camera can have a good photographing effect and reduce the process difficulty.
  • the area of the display light-transmitting area 100c less than 0.32mm 2 will cause light interference in the display light-transmitting area 100c, which is not conducive to camera imaging; while the area of the display light-transmitting area 100c greater than 120mm 2 will increase the process difficulty, for example, More wires are used to connect the first display pixel 101 and the first pixel driving circuit 1061 at the periphery of the display light-transmitting area 100c.
  • More wires are arranged in the same layer, which will increase the risk of short circuits between two adjacent wires.
  • the multi-layer arrangement will increase the risk of poor electrical contact between two adjacent layers of wires. That is, the area of the display light-transmitting area 100c greater than 120 mm 2 will increase the difficulty of the manufacturing process of the display panel. Further, the display area of each light transmissive region is 0.36mm 2 -100mm 2, to further enhance the effect of camera photographing, and to reduce the difficulty of the manufacturing process of the display panel.
  • each display light-transmitting area 100c is greater than that of the main display area 100a, so that the main display area 100a can be provided with more second display pixels 102 so as to display images more abundantly. At the same time, it can receive more optical signals.
  • this embodiment assumes that the function addition area 100b has a display light transmission area 100c, the size of the function addition area 100b is larger than that of the display light transmission area 100c, and the display light transmission area 100c is located in the function addition area 100c.
  • the middle position of the area 100b will be described.
  • a plurality of first display pixels 101 are provided in the display light-transmitting area 100c.
  • Each first display pixel 101 includes at least three first sub-pixels.
  • Each first display pixel 101 may include a red first sub-pixel, a blue first sub-pixel, and a green first sub-pixel.
  • Each first display pixel may also include a white first sub-pixel.
  • the first sub-pixel constituting the first display pixel 101 may be any one of an organic light emitting diode, a micro light emitting diode, or a quantum dot light emitting diode.
  • the first sub-pixel constituting the first display pixel is an organic light emitting diode.
  • the pixel density of the first display pixels 101 in the light-transmitting area 100c may be less than the pixel density of the second display pixels 102 in the main display area 100a, and/or the distance between two adjacent first display pixels 101 is greater than that of adjacent
  • the distance between the two second display pixels 102, and/or the size of the first display pixel 101 of the display light-transmitting area 100c may be smaller than the size of the second display pixel 102 in the main display area 100a, so that the display light-transmitting area 100c
  • the light transmittance is greater than the light transmittance of the main display area 100a.
  • the display panel 100 further includes a pixel definition layer 108, and the pixel definition layer 108 corresponds to the first opening 108a of the first sub-pixel of the first display pixel 101 smaller than the second opening 108a of the second sub-pixel of the pixel definition layer 108 corresponding to the second display pixel 102 108b, so that the size of the first sub-pixel of the first display pixel 101 is smaller than the size of the second sub-pixel of the second display pixel 102.
  • each first sub-pixel of the first display pixel 101 includes a first anode 1011, a first cathode, and a first organic light-emitting layer located between the first anode 1011 and the first cathode.
  • Each second sub-pixel of the second display pixel 102 includes a second anode 1021, a second cathode, and a second organic light-emitting layer located between the second anode 1021 and the second cathode.
  • the first cathode and the second cathode are transparent electrodes and are formed in the same layer and the same process.
  • the first anode 1011 and the second anode 1021 are opaque electrodes and are arranged in the same layer.
  • the size of each first anode 1011 is smaller than the size of each second anode 1021 so that the size of the first sub-pixel of the first display pixel 101 is smaller than the size of the second sub-pixel of the second display pixel 102.
  • each first sub-pixel of the first display pixel 101 is smaller than the size of each second sub-pixel of the second display pixel 102, which facilitates that the size of the first display pixel 101 is smaller than the size of the second display pixel 102, so that The light transmittance of the display light-transmitting area 100c is greater than the light transmittance of the main display area 100a.
  • the ratio of the sum of the area of the first anode 1011 of the plurality of first display pixels 101 in each display light transmission area 100c to the area of the corresponding display light transmission area 100c is less than 50%, so as to ensure that the display light transmission area 100c has sufficient
  • the light-transmitting area ensures that the photosensitive unit receives sufficient light signals.
  • the ratio of the total area of the first anode 1011 of the plurality of first display pixels 101 in each display light-transmitting area 100c to the area of the corresponding display light-transmitting area 100c is greater than 5% to ensure that the display light-transmitting area 100c has sufficient first
  • the pixels 101 are displayed for display.
  • the ratio of the sum of the area of the first anode 1011 of the plurality of first display pixels 101 in each display light-transmitting area 100c to the area of the corresponding display light-transmitting area 100c ranges from 8% to 45% to achieve display
  • the light-transmitting area 100c shows the balance between the function and the light-transmitting function.
  • a plurality of pixel driving circuit islands 106, a plurality of first signal lines 104, and a plurality of second signal lines 105 are provided on the periphery of the display light-transmitting area 100c.
  • the plurality of first signal lines 104 and the plurality of second signal lines 105 are all electrically connected to the first pixel driving circuit 1061 in the plurality of pixel driving circuit islands 106, so as to input various electric power to the plurality of first pixel driving circuits 1061. signal.
  • At least part of the first pixel driving circuit 1061 of the pixel driving circuit island 106 is used to drive the plurality of first display pixels 101 in the display light transmission area 100c to emit light, so that the display light transmission area 100c is not provided with a pixel driving circuit, and
  • the pixel driving circuit of a display pixel 101 is arranged on the periphery of the display light-transmitting area 100c, so that the display light-transmitting area 100c has high light transmittance, and the first pixel driving circuit 1061 corresponding to the first display pixel 101 in the display light-transmitting area 100c It is distributed in an island shape so that the light-transmitting area of the display panel 100 is concentrated on the display light-transmitting area 100c, that is, the size of the display light-transmitting area 100c is increased.
  • the plurality of first signal lines 104 and the plurality of second signal lines 105 are arranged on the periphery of the display light-transmitting area 100c in cooperation with the plurality of pixel driving circuit islands 106, thereby further improving the light transmittance of the display light-transmitting area 100c.
  • the multiple pixel driving circuit islands 106 can all be arranged outside the multiple display light-transmitting areas 100c and inside the function additional area 100b; multiple pixel drive circuit islands 106 can also be Part of it is arranged in the periphery of the display light-transmitting area 100c and in the function adding area 100b, and part of the pixel driving circuit island 106 is arranged in the main display area 100a.
  • the function addition area 100b has only one display light-transmitting area 100c and the two completely overlap
  • the plurality of pixel driving circuit islands 106 can also be all arranged in the main display area 100a.
  • part of the pixel drive circuit islands 106 are arranged at the periphery of the display light-transmitting area 100c and in the function additional area 100b, Part of the pixel driving circuit island 106 is disposed in the main display area 100a.
  • part of the pixel drive circuit islands 106 are arranged in the periphery of the display light-transmitting area 100a and in the function addition area 100b, and part of the pixel drive circuit islands 106 are arranged in the main display area 100a.
  • Each pixel driving circuit island 106 includes a plurality of first pixel driving circuits 1061.
  • Each first pixel driving circuit 1061 includes a device and wiring.
  • the device includes a switching element and a capacitor, and the wiring includes a signal wiring.
  • the switching element may be a thin film transistor, a diode or other devices.
  • the circuit design of the plurality of first pixel driving circuits 1061 constituting each pixel driving circuit island 106 is different from the circuit design of the second pixel driving circuit 103 for driving the plurality of second display pixels in the main display area 100a.
  • each pixel driving circuit island 106 occupies a smaller space of the display panel 100, and it is convenient to arrange multiple pixel driving circuit islands 106 in the limited space of the display panel 100.
  • the area occupied by each first pixel driving circuit 1061 of the display panel 100 is smaller than the area occupied by each second pixel driving circuit 103 of the display panel 100, so as to reduce the driving of each pixel composed of a plurality of first pixel driving circuits 1061.
  • the circuit island 106 occupies the space of the display panel 100, and at the same time, the size of the display light-transmitting area 100c can be designed to be larger.
  • each first pixel driving circuit 1061 is less than the sum of the device area of each second pixel driving circuit 103, and/or the sum of the number of devices of each first pixel driving circuit 1061 is less than that of each second pixel driving circuit.
  • the sum of the number of devices in the pixel drive circuit 103, and/or the average wiring area of each first pixel drive circuit 1061 is smaller than the average wiring area of each second pixel drive circuit 103, where the devices include switch units and capacitors At least one kind of wiring includes a plurality of signal wires.
  • the device size in the first pixel drive circuit 1061 is smaller than the device size in the second pixel drive circuit 103 so that the sum of the device areas of the first pixel drive circuit 1061 is smaller than the sum of the device areas of the second pixel drive circuit 103.
  • the size of the switch unit in the first pixel drive circuit 1061 is smaller than the size of the switch unit in the second pixel drive circuit 103
  • the size of the capacitor in the first pixel drive circuit 1061 is smaller than the size of the second pixel drive circuit 103
  • the first pixel driving circuit 1061 and the second pixel driving circuit 103 can simultaneously use one of the 7T1C circuit, 6T1C circuit, 4T1C circuit, and 2T1C circuit.
  • the difference is that the device size in the first pixel driving circuit 1061 It is smaller than the device size in the second pixel driving circuit 103, where the 7T1C circuit includes 7 thin film transistors and 1 capacitor, the 6T1C circuit includes 6 thin film transistors and 1 capacitor, and the 4T1C circuit includes 4 thin film transistors and 1 capacitor.
  • the 2T1C circuit includes 2 thin film transistors and a capacitor.
  • the 7T1C circuit, 6T1C circuit, 4T1C circuit, and 2T1C circuit all adopt conventional designs in the field, and this application does not specifically limit it.
  • the second pixel driving circuit 103 adopts a 7T1C circuit, and the first pixel driving circuit 1061 adopts at least one of a 2T1C circuit, a 4T1C circuit, and a 6T1C circuit; or, the second pixel driving circuit 103 adopts a 6T1C circuit, and the first pixel driving circuit 1061 adopts At least one of the 4T1C circuit and the 2T1C circuit; or, the second pixel driving circuit 103 adopts a 4T1C circuit, and the first pixel driving circuit 1061 adopts a 2T1C circuit, so that the sum of the number of devices in each first pixel driving circuit 1061 is less than The sum of the number of devices of the second pixel driving circuit 103.
  • Two adjacent first pixel drive circuits 1061 share at least one signal trace, and two adjacent first pixel drive circuits 1061 are arranged mirror-symmetrically about one signal trace.
  • the signal traces include power signal traces, so that each The average wiring area occupied by the first pixel driving circuit 1061 is smaller than the average wiring area occupied by each second pixel driving circuit 103.
  • the wiring area of the plurality of first pixel driving circuits 1061 is reduced, so that the area occupied by each pixel driving circuit island 106 of the display panel 100 is further reduced, which is more conducive to further increasing the size of the display light-transmitting area 100c.
  • FIG. 7 is a schematic diagram of the first pixel driving circuit of this application.
  • the first pixel driving circuit 1061 adopts a 2T1C circuit, two adjacent first pixel driving circuits 1061 share a first power signal line Vdd, and the driving transistors DTFT and first switching transistor STFT1 of the two adjacent first pixel driving circuits 1061 And the storage capacitors Cap are respectively arranged mirror-symmetrically on opposite sides of the first power signal wiring Vdd, so as to reduce the total number of wiring required by the plurality of first pixel driving circuits 1061.
  • the second pixel driving circuit 106 in the main display area 100a adopts a conventional design, so the average wiring area of each first pixel driving circuit 1061 is smaller than the average wiring area of each second pixel driving circuit 103.
  • Each pixel driving circuit island 106 is formed by clustering a plurality of first pixel driving circuits 1061 in an island shape, and clustering together in an island shape is relative to the scattered pixel driving circuits in the traditional technology. That is, compared with the conventional technology, one sub-pixel corresponds to one pixel driving circuit. Since the first pixel driving circuit 1061 includes a plurality of metal film layers, and the plurality of metal film layers have a light-shielding effect, the area of the display panel 100 corresponding to the pixel driving circuit island 106 is not transparent.
  • each pixel drive circuit island 106 includes m ⁇ n first pixel drive circuits 1061 arranged in an array, m represents the number of rows of the first pixel drive circuit 1061, and n represents the number of columns of the first pixel drive circuit 1061, Both m and n are positive integers, and at least one of m and n is greater than 1.
  • the value range of m is greater than or equal to 3 and less than 128, and the value range of n is greater than or equal to 1 and less than 128.
  • the value range of m is greater than or equal to 3 and less than 64, and the value range of n is greater than or equal to 1 and less than 64.
  • the spacing between two adjacent first pixel drive circuits 1061 in each pixel drive circuit island 106 is smaller than the spacing between any two adjacent first display pixels 101, and the distance between two adjacent pixel drive circuit islands 106 The spacing of is greater than the spacing between any two adjacent first display pixels 101.
  • first pixel driving circuit 1061 in each pixel driving circuit island 106 can be used to drive a plurality of first display pixels 101 in the display light-transmitting area 100c to ensure that the display light-transmitting area 100c is not provided with pixels.
  • the first pixel drive circuit 1061 in each pixel drive circuit island 106 can also be used to drive pixels in the corresponding area of the pixel drive circuit island 106, that is, the pixels located directly above the pixel drive circuit island 106; the second pixel drive circuit island 106
  • a pixel driving circuit 1061 can also be used to drive pixels in the corresponding areas of the first sector 100d and the second sector 100e and pixels near the function additional area 100b.
  • At least a part of the pixel driving circuit island 106 is disposed on the edge of the display light-transmitting area 100c.
  • the display light-transmitting area 100c is an axisymmetric area, and at least a part of the pixel driving circuit island 106 is symmetrically arranged on the edge of the display light-transmitting area 100c with respect to the symmetry axis of the display light-transmitting area 100c.
  • the axisymmetric area may be a square area, a rectangular area, a prismatic area, a circular area, or an axisymmetric irregular area. It can be understood that the display light transmission area may also be a non-axisymmetric area.
  • the display light-transmitting area 100c is symmetrical about the first symmetry axis A-A and the second symmetry axis B-B, and the first symmetry axis A-A and the second symmetry axis B-B are perpendicular to each other.
  • At least part of the pixel driving circuit island 106 is disposed in a partial area of the periphery of the display light-transmitting area 100c.
  • At least part of the pixel drive circuit islands 106 includes a first group of pixel drive circuit islands 1062 and a second group of pixel drive circuit islands 1063.
  • the pixel drive circuit island 106 in the first set of pixel drive circuit islands 1062 and the pixel drive circuit island 106 in the second set of pixel drive circuit islands 1063 are mirrored about the first symmetry axis AA of the display light transmission area 100c and are arranged in the display light transmission area. The edges on opposite sides of 100c.
  • the pixel driving circuit islands 106 in the first group of pixel driving circuit islands 1062 and the second group of pixel driving circuit islands 1063 are arranged side by side in a straight line. It can be understood that the angle between the first axis of symmetry A-A and the second axis of symmetry B-B can also be greater than 0 degrees and less than 90 degrees.
  • the display panel 100 includes a plurality of first pixel driving circuits 1061, a plurality of second pixel driving circuits 103, at least three insulating layers, a pixel defining layer 108, a plurality of transparent wires 109, a plurality of first anodes 1011, and a plurality of second pixel driving circuits.
  • the anode 1021 is a schematic cross-sectional view of the display panel shown in FIG. 3.
  • the display panel 100 includes a plurality of first pixel driving circuits 1061, a plurality of second pixel driving circuits 103, at least three insulating layers, a pixel defining layer 108, a plurality of transparent wires 109, a plurality of first anodes 1011, and a plurality of second pixel driving circuits.
  • the anode 1021 is a schematic cross-sectional view of the display panel shown in FIG. 3.
  • the display panel 100 includes a plurality of first pixel driving circuits 1061, a plurality of
  • At least a part of the first pixel driving circuit 1061 is disposed in the function addition area 100b and outside the display light transmission area 100c.
  • a plurality of second pixel driving circuits 103 are disposed in the main display area 100a.
  • At least three insulating layers cover the plurality of first pixel driving circuits 1061 and the plurality of second pixel driving circuits 103.
  • a plurality of transparent wires 109 are arranged between at least three insulating layers.
  • a plurality of first anodes 1011 and a plurality of second anodes 1021 are disposed on at least three insulating layers, a plurality of first anodes 1011 are disposed in the display light-transmitting area 100c, and a plurality of second anodes 1021 are disposed in the main display area 100a.
  • the pixel defining layer 108 covers a plurality of first anodes 1011, a plurality of second anodes 1021 and an insulating layer, and has a first opening 108a corresponding to each first anode 1011 and a second opening 108b corresponding to each second anode 1021.
  • At least part of the first pixel driving circuit 1061 in at least part of the pixel driving circuit island 106 is electrically connected to the plurality of first display pixels 101 through transparent wires. Specifically, at least part of the first pixel driving circuit 1061 in at least part of the pixel driving circuit island 106 is electrically connected to the first anode electrode 1011 of the first sub-pixel of the plurality of first display pixels 101 through a transparent wire 109 to improve display transparency. The light transmittance of the light zone 100c. The first pixel driving circuit 1061 and the first anode 1011 are electrically connected one-to-one.
  • the plurality of transparent wires 109 include at least two layers of transparent wires 109 located in different layers, so as to increase the wiring space of the plurality of transparent wires 109 and avoid short circuits between the plurality of transparent wires 109 located in the same layer.
  • the distance between two adjacent transparent wires 109 in the same layer is greater than 2 micrometers, so as to avoid a short circuit between two adjacent transparent wires 109 in the same layer.
  • the line width of each transparent wire 109 is greater than 1 micron, so as to avoid the narrow line width of the transparent wire 109 from causing breakage or excessive impedance.
  • One first anode 1011 can be electrically connected to a first pixel driving circuit 1061 through a transparent wire 109 on an insulating layer, and another first anode 1011 can be electrically connected to another first pixel driving circuit 1061 through another transparent wire 109 on another insulating layer.
  • a pixel driving circuit 1061 is electrically connected, that is, at least two first anodes 1011 are electrically connected to two different first pixel driving circuits 1061 through two transparent wires 109 located in different layers, respectively.
  • One first anode 1011 can also be electrically connected by two or more transparent wires 109 located in different layers.
  • the first anode 1011 can be electrically connected to the first pixel driving circuit 1061 through at least two layers of transparent wires 109 located in the function additional area 100b, and two adjacent layers of transparent wires 109 are electrically connected through vias on the insulating layer.
  • the first anode 1011 can also be electrically connected to the first pixel driving circuit 1061 through a transparent wire 109 at least partially located in the main display area 100a and a transparent wire 109 partially located in the function additional area 100b, that is, a transparent wire 109 is provided in the main display area 100a
  • the first pixel driving circuit 1061 and the first anode 1011 are electrically connected to further increase the wiring space of the transparent wires 109 to avoid the problem of short circuits due to the narrow spacing between adjacent transparent wires 109 in the same layer.
  • the first anode 1011 of the first display pixel 101 close to the main display area 100a is connected to the first pixel driving circuit 1061 through a transparent wire 109 at least partly located in the main display area 100a and a transparent wire 109 partly located in the function additional area 100b, away from the main
  • the first anode 1011 of the first display pixel 101 in the display area 100a is electrically connected to the first pixel driving circuit 1061 through the transparent wire 109 in the function additional area 100b, so as to reduce the overall wiring space required by the transparent wire 109.
  • the first pixel driving circuit 1061 is disposed in the function addition area 100b and outside the display area 100c, and a plurality of second pixel driving circuits 103 are disposed in the main display area 100a and corresponding to the plurality of second display pixels 102.
  • At least three insulating layers include a first insulating layer 1101, a second insulating layer 1102, a third insulating layer 1103, and a fourth insulating layer 1104.
  • Four insulating layers are formed in the main display area 100a and the function additional area 100b.
  • the first insulating layer 1011 covers at least part of the first pixel driving circuit 1061 and the plurality of second pixel driving circuits 103.
  • the first transparent wire 1091 and the second transparent wire 1092 are located on the first insulating layer 1101, the first transparent wire 1091 is located in the functional accessory area 100b, and the second transparent wire 1092 extends from the function additional area 100b to the main display area 100a.
  • the second insulating layer 1102 covers the first transparent wire 1091, the second transparent wire 1092 and the first insulating layer 1101.
  • the third transparent wire 1093 and the fourth transparent wire 1094 are located on the second insulating layer 1102, and the third transparent wire 1093 is located in the display light-transmitting area 100c and is electrically connected to the first transparent wire 1091 through the via hole on the second insulating layer 1102 ,
  • the fourth transparent wire 1094 is located in the main display area 100a and is electrically connected to the second transparent wire 1092.
  • the third insulating layer 1103 covers the third transparent wire 1093, the fourth transparent wire 1094 and the second insulating layer 1102.
  • the fifth transparent wire 1095 and the sixth transparent wire 1096 are located on the third insulating layer 1103, the fifth transparent wire 1095 is located in the display light transmission area 100c, and the sixth transparent wire 1096 extends from the main display area 100a to the display light transmission area 100c.
  • the five transparent wires 1095 and the third transparent wires 1093 are electrically connected through the through holes on the third insulating layer 1103, and the sixth transparent wires 1096 and the fourth transparent wires 1094 are electrically connected through the via holes on the third insulating layer 1103.
  • the fourth insulating layer 1104 covers the fifth transparent wire 1095, the sixth transparent wire 1096, and the third insulating layer 1103.
  • a plurality of first anodes 1011 are located on the fourth insulating layer 1104 of the display light-transmitting area 100c, a first anode 1101 is electrically connected to the fifth transparent wire 1095 through a via hole on the fourth insulating layer 1104, and the other first anode 1011 is electrically connected to the sixth transparent wire 1096 through the via hole on the fourth insulating layer 1104.
  • the second anode 1021 of the second display pixel 102 in the main display area 100a is electrically connected through a conductive layer located between at least three insulating layers, and two adjacent conductive layers are electrically connected through a via on the insulating layer,
  • the conductive layer and the second anode 1021 are telecommunications connected through the via hole on the insulating layer, and the conductive layer is electrically connected with the second pixel driving circuit 103 through the via hole on the insulating layer.
  • the display panel also includes a fourth group of pixel driving circuit islands 1065.
  • the fourth group of pixel driving circuit islands 1065 are arranged in the main display area 100a and close to the function additional area 100b.
  • Each pixel drive circuit island 106 in the fourth group of pixel drive circuit islands 1065 includes a plurality of first pixel drive circuits 1061, and at least part of the first pixel drive circuit 1061 in the fourth group of pixel drive circuit islands 1065 is used to drive multiple
  • the second display pixels 103 in the first sector 100d and the plurality of second sectors 100e emit light so as to adapt to the multiple first sector regions 100d and the multiple second sector regions 100e due to the dense distribution of the metal lines, and the pixel driving circuit cannot be arranged Case.
  • first pixel driving circuit 1061 in the fourth group of pixel driving circuit islands 1065 may also be used to drive pixels in or near the function additional area 100b to emit light.
  • the first pixel driving circuit 1061 in the fourth group of pixel driving circuit islands 1065 may be the same as or different from the first pixel driving circuit 1061 in the first group of pixel driving circuit islands 1062 and the second group of pixel driving circuit islands 1063.
  • the plurality of first sector areas 100d and the plurality of second sector areas 100e are both arranged in the main display area 100a and located at the periphery of the function additional area 100b.
  • the plurality of first sector regions 100d and the plurality of second sector regions 100e are provided with a plurality of second display pixels 103. Due to the large wiring density in the plurality of first sector regions 100d and the plurality of second sector regions 100e, The first sector 100d and the plurality of second sector 100e cannot be provided with pixel driving circuits.
  • the plurality of first sector regions 100d are regions defined by a plurality of first transition sections 1042 arranged in a fan shape, and the plurality of second sector regions 100e are formed by a plurality of second transition sections 1052 in a fan shape.
  • the first signal line 104 is at least one of a gate line and a reset line.
  • the first signal line may include at least one of a scan line, a light emitting signal line that controls the organic light emitting diode to emit light, and a reset line that controls the anode reset of the organic light emitting diode.
  • Each first signal line 104 includes a first straight section 1041, a first circuitous section 1043, and a first transition section 1042.
  • the first straight line segment 1041 is located in the main display area 100 a, and the multiple first straight line segments 1041 of the multiple first signal lines 104 are arranged horizontally and parallel.
  • the first transition section 1042 is located in the first sector region 100d, and a plurality of first transition sections 1042 are distributed in a sector shape in the first sector region 100d.
  • the first straight line section 1041 extends from the main display area 100a to the first sector area 100d to be electrically connected to the first transition section 1042, so that the plurality of first signal lines 104 integrate multiple groups of first signal lines, and change multiple groups of first signal lines.
  • the extension path of the signal line prevents the plurality of first signal lines 104 from passing through the display light-transmitting area 100c.
  • the distance between two adjacent first transition sections 1042 in the first fan-shaped area 100d is smaller than the distance between two adjacent first straight sections 1041 in the main display area 100a.
  • the multiple first transition sections 1042 of the first sector 100d may be divided into at least two layers.
  • the plurality of first straight lines 1041 of the plurality of first signal lines 104 are divided into at least two groups and respectively extend into at least two first sector regions 100d to be electrically connected to the plurality of first transition sections 1042 one-to-one. connection.
  • Each group of first straight line segments 1041 respectively extends into a first sector 100d.
  • the plurality of first transition sections 1042 are divided into at least two groups, and each group of first transition sections 1042 is located in a first sector 100d.
  • the plurality of first sector regions 100 d are symmetrically arranged on opposite sides of the function additional region 100 b and arranged side by side with the first group of pixel driving circuit islands 1062 and the second group of pixel driving circuit islands 1063.
  • the plurality of first winding sections 1043 of the plurality of first signal lines 104 are arranged at the edge of the display light-transmitting area 100c.
  • the first transition section 1042 and the first winding section 1043 are electrically connected one-to-one.
  • the multiple first transition sections 1042 and the multiple first detour sections 1043 are all electrically connected to the same pixel drive circuit island 106 in the fourth group of pixel drive circuit islands 1065.
  • the first detour sections 1043 of the plurality of first signal lines 104 are divided into two groups.
  • the two groups of first detour sections 1043 are symmetrically arranged on the edges of opposite sides of the display light-transmitting area 100c about the first symmetry axis AA.
  • the detour sections 1043 are arranged intensively on one side of the first axis of symmetry AA, that is, the distance between two adjacent first detour sections 1043 in each group of first detour sections 1043 is smaller than that of the corresponding first detour section 1043.
  • the distance between two adjacent first transition sections 1042 in a group of first transition sections 1042 is sexually connected.
  • a group of first detour sections 1043 are electrically connected to each pixel drive circuit island 106 in the first group of pixel drive circuits 1062 in turn, and another group of first detour sections 1043 are electrically connected to each pixel drive circuit island 106 in the second group of pixel drive circuit islands 1043 in turn.
  • Each pixel drive circuit island 106 that is, a group of first detour sections 1043 are sequentially connected in series to each pixel drive circuit island 106 in the first group of pixel drive circuit islands 1062, and another group of first detour sections 1043 are sequentially connected in series to the second Each pixel drive circuit island 106 in the group of pixel drive circuit islands 1063.
  • the first detour section 1043 1043 is a light-shielding wire.
  • the multiple first winding sections 1043 constitute the opaque area on the side of the display light-transmitting area 100c while defining the edge of the display light-transmitting area 100c corresponding to the first winding section 1043.
  • the second signal line 105 may include a data line.
  • Each second signal line 105 includes a second straight section 1051, a second circuitous section 1052, and a second transition section 1053.
  • the second straight line segment 1051 is located in the main display area 100 a, and the plurality of second straight line segments 1051 of the plurality of second signal lines 100 are arranged vertically in parallel.
  • the vertical projections of the first linear segments 1041 of the first signal lines 104 on the display panel 100 and the vertical projections of the second linear segments 1051 of the second signal lines 105 on the display panel 100 perpendicularly intersect each other .
  • the second transition section 1052 is located in the second sector region 100e, and a plurality of second transition sections 1052 are distributed in a sector shape in the second sector region 100e.
  • the second straight section 1051 extends from the main display area 100a to the second sector area 100e to be electrically connected to the second transition section 1052, so that the multiple second signal lines 105 are integrated into multiple clusters of second signal lines 105, and the multiple clusters are changed.
  • the extension direction of the second signal line 105 prevents the second signal line 105 from passing through the display light transmission area.
  • the distance between two adjacent second transition sections 1052 in the second sector area 100e is smaller than the distance between two adjacent second straight sections 1051 in the main display area 100a.
  • the plurality of second straight sections 1051 of the plurality of second signal lines 105 are divided into a plurality of clusters and respectively extend to the plurality of second sector regions 100e to be electrically connected to the plurality of second transition sections 1052.
  • Each cluster of first straight line segments 1051 extends into a second fan-shaped area 100e.
  • the multiple second transition sections 1052 are divided into multiple clusters of second transition sections 1052, and each cluster of the second transition sections 1052 is located in the same second sector 100e.
  • the plurality of second sector areas 100e are symmetrically arranged on opposite sides of the function additional area 100b and corresponding to the pixel drive circuit islands 106 in the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063.
  • the second winding sections 1053 of the plurality of second signal lines 105 are arranged at the edge of the display light-transmitting area 100c.
  • the second transition section 1052 and the second winding section 1053 are electrically connected one-to-one.
  • the first detour section 1043 and the second detour section 1053 are located on different layers.
  • the second winding sections 1053 of the plurality of second signal lines 105 are arranged around at least a part of the display light-transmitting area 100c, and at least part of the pixel driving circuit islands 106 are arranged on the second of the plurality of second signal lines 105.
  • the detour section 1053 In the area enclosed by the detour section 1053. It can be understood that part of the pixel driving circuit island 106 may also be disposed outside the area enclosed by the second detour sections 105 of the plurality of second signal lines 105.
  • the second winding sections 1053 of the plurality of second signal lines 105 are divided into two groups, and the two groups of second winding sections 1053 are symmetrically arranged at the edge of the display light-transmitting area 100c about the second symmetry axis B-B. Two ends of each group of second detour sections 1053 are respectively electrically connected to the pixel drive circuit islands 106 of the first group of pixel drive islands 1062 and the second group of pixel drive circuit islands 1063 that are mirrored to each other.
  • each group of second winding sections 1053 extend from one side of the second axis of symmetry BB to the opposite sides of the first axis of symmetry AA, and each end of each group of second winding sections is at an opposite side of the first axis of symmetry AA.
  • the side is divided into at least two clusters of second detour sections 1053 of different lengths, and at least two clusters of second detour sections 1053 of different lengths located on the first symmetry axis respectively extend to the first group of pixel drive circuit islands 1062 and the second group of pixels
  • the position corresponding to the pixel driving circuit island 106 in the driving circuit island 1063 is such that the second detour section 1053 of each cluster is electrically connected to the pixel driving circuit island.
  • Each cluster of longer second detour sections 1053 respectively extend to the pixel drive circuit island 106 of the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063, which are located close to the second symmetry axis BB.
  • the short second detour section 1053 of each cluster extends to the pixel drive circuit island 106 of the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063 far away from the second symmetry axis BB, and drives from the first group of pixels Where the circuit island 1062 and the pixel drive circuit island 106 in the second group of pixel drive circuit islands 1063 are located, the second detour sections 1053 of each cluster respectively continue to extend toward the plurality of second sector regions 100e to avoid the second detours of two adjacent clusters Section 1053 is short-circuited during the extension process.
  • Each cluster of second winding section 1053 is electrically connected to a cluster of second transition section 1052, that is, the second winding section 1053 is electrically connected
  • first detour sections 1053 in each group of second detour sections 1053 are larger, and the second detour sections 1053 are light-shielding wires, there are multiple While the two winding sections 1053 constitute the opaque area on the side of the display light-transmitting area 100c, they define the edge of the display light-transmitting area 100c corresponding to the second winding section 1053.
  • the area surrounded by the plurality of first detour sections 1043, the plurality of second detour sections 1053, and at least part of the pixel drive circuit island 106 is the display light-transmitting area 100c.
  • the display light-transmitting area 100c corresponds to the edge of the first winding section 1043 relative to the display light-transmitting area 100c corresponds to the edges of the pixel drive circuit islands 1062 in the first group of pixel drive circuit islands 1062 and the pixel drive circuit islands 106 in the second group of pixel drive circuit islands 1063.
  • the protrusions or depressions increase the light transmission area of the light transmission area in the display light transmission area 100c.
  • the display light-transmitting area 100c corresponds to the edge of the first roundabout section 1043 relative to the display light-transmitting area 100c corresponds to the edge of the pixel drive circuit island 106 in the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063.
  • the first circuitous section 1043 may also be a straight line, or an arc shape, or include multiple broken line sections.
  • the display panel further includes a plurality of connecting lines 107.
  • the connecting lines 107 and the second detour sections 1053 are located on different layers. Each cluster of the second detour sections 1053 is connected to the first group of pixel driving circuits through the connecting lines 107.
  • the island 1062 is electrically connected to one pixel drive circuit island 106 in the second group of pixel drive circuit islands 1063, so as to avoid the same group of two adjacent clusters of the second detour section 1053. In order to achieve electrical connection with the pixel drive circuit island 106, the extension In the process of intersecting, a short circuit occurs.
  • FIG. 8 is a second partial enlarged view of the display panel shown in FIG. 1, and FIG. 9 is a partial schematic diagram of the display panel shown in FIG. 8.
  • the display panel shown in FIG. 8 is basically similar to the display panel shown in FIG. 3, except that the first group of pixel driving circuit islands 1062 and the second group of pixel driving circuit islands 1063 are arranged in an arc. Specifically, the first group of pixel driving circuit islands 1062 and the second group of pixel driving circuit islands 1063 are both arranged in a circular arc line.
  • FIG. 10 is a third partial enlarged view of the display panel shown in FIG. 1, and FIG. 11 is a partial schematic diagram of the display panel shown in FIG. 10.
  • the display panel shown in FIG. 10 is basically similar to the display panel shown in FIG. 3, except that at least part of the pixel driving circuit islands 106 are arranged around the entire display light-transmitting area 100c.
  • At least a part of the pixel driving circuit islands 106 are arranged in a circular arrangement on the edge of the display light-transmitting area 100c.
  • the second roundabout sections 1053 of the plurality of second signal lines 105 are arranged around at least part of the periphery of the pixel driving circuit island 106 and are electrically connected to at least part of the pixel driving circuit island 106 in the pixel driving circuit island 106.
  • the first detour sections 1043 of the plurality of first signal lines 104 are sequentially and electrically connected to any two adjacent pixel drive circuit islands 106 in at least part of the pixel drive circuit islands 106.
  • At least part of the pixel driving circuit islands 106 are arranged in a circular ring shape on the edge of the display light-transmitting area 100c. At least part of the pixel drive circuit islands 106 are arranged in parallel with each other. At least part of the pixel drive circuit islands 106 includes a first group of pixel drive circuit islands 1062 and a second group of pixel drive circuit islands 1063.
  • Both the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063 are arranged in an arc, at least Part of the pixel driving circuit island 106 further includes a third group of pixel driving circuit islands 1064, and the pixel driving circuit islands 106 in the third group of pixel driving circuit islands 1064 are located on the first symmetry axis AA and are symmetrically arranged about the second symmetry axis BB.
  • One set of first detour sections 1043 includes the first detour sections of the first cluster and the first detour sections of the second cluster.
  • the other set of first detour sections includes the first detour section of the third cluster and the first detour section of the fourth cluster.
  • the first detour section of the cluster electrically connects the pixel drive circuit islands 106 in the first group of pixel drive circuit islands 1062 in sequence
  • the first detour section of the second cluster electrically connects the first group of pixel drive circuit islands 1062 and the third group of pixel drive circuits.
  • each group of second detour sections 1053 includes at least three clusters of second detour sections 1053 with different lengths, one cluster of second detour sections 1053 electrical Are electrically connected to the pixel drive circuit islands 106 in the third group of pixel drive circuit islands 1064, and the two ends of each remaining cluster of second detour sections 1053 are electrically connected to the first group of pixel drive circuit islands 1062 and the second group of pixel drive circuit islands 1063.
  • Two pixel drive circuit islands 106 arranged mirrored to each other in the The first detour section of the first cluster and the first detour section of the second cluster located on the side of the first symmetry axis AA are arranged in a concentrated manner, and the first detour section of the first cluster and the first detour section of the second cluster located on both sides of the second axis of symmetry BB
  • the segments are dispersedly arranged, that is, the distance between the first detour section of the first cluster on one side of the first symmetry axis AA and the first detour section of the second cluster is smaller than the first detour section of the first cluster on both sides of the second symmetry axis BB And the distance between the first roundabout section of the second cluster.
  • a pixel drive circuit is correspondingly provided under each display sub-pixel, so that multiple pixel drive circuits corresponding to multiple display pixels are dispersedly distributed.
  • a plurality of pixel driving circuit islands are arranged on the periphery of the display light-transmitting area, each pixel driving circuit island includes a plurality of first pixel driving circuits, and at least part of the first pixel driving circuit of at least part of the pixel driving circuit islands is used to drive the display A plurality of first display pixels in the light-transmitting area, so that the display light-transmitting area is not provided with a driving circuit, thereby increasing the light transmittance of the display light-transmitting area.
  • the arrangement of multiple pixel driving circuit islands also increases the size of the light-transmitting area in the display light-transmitting area.
  • the plurality of first signal lines and the plurality of second signal lines are arranged on the periphery of the display light-transmitting area in cooperation with the plurality of pixel driving circuit islands, thereby further improving the light transmittance of the display light-transmitting area.
  • the display light-transmitting area 100c in FIG. 8 and FIG. 10 is the same as the display light-transmitting area 100c in FIG. 3, and is composed of at least part of the pixel driving circuit islands 106 and electrically connected to at least part of the pixel driving circuit islands 106
  • the plurality of first detour sections 1043 and the plurality of second detour sections 1053 are defined, at least part of the pixel driving circuit island 106 at least part of the first pixel driving circuit 1061 is used to drive the plurality of first displays in the light-transmitting area 100c
  • the pixel emits light 101.
  • the present application also provides an electronic device.
  • the electronic device includes the above-mentioned display panel and a photosensitive unit.
  • the photosensitive unit is arranged on one side of the display panel and corresponding to the additional function area.
  • the photosensitive unit is a camera.
  • the electronic device of the present application is provided with a plurality of pixel driving circuit islands on the periphery of the display light-transmitting area of the display panel, each pixel driving circuit island includes a plurality of first pixel driving circuits, at least part of the pixel driving circuit islands are at least part of the first pixel driving circuit Used to drive the plurality of first display pixels in the display light-transmitting area, so that the display light-transmitting area is not provided with a driving circuit, thereby increasing the light transmittance of the display light-transmitting area, and the arrangement of multiple pixel driving circuit islands also makes the display transparent
  • the size of the light-transmitting area in the light zone is increased, so that when the photosensitive unit is a camera, the camera has a good photographing effect, and the display light-transmitting area can also be displayed.
  • the first signal line and the second signal line are arranged on the periphery of the display light-transmitting area to further increase the light transmittance of the display light-transmitting area, and further increase the light transmittance of the function-added area, thereby improving the imaging quality of the camera.

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Abstract

一种显示面板(100)及电子设备,在显示透光区(100c)外围设置多个像素驱动电路岛(106)、多个第一信号线(104)以及多个第二信号线(105),每个像素驱动电路岛(106)包括多个第一像素驱动电路(1061),多个第一信号线(104)和多个第二信号线(105)均与多个像素驱动电路岛(106)电性连接,至少部分像素驱动电路岛(106)的至少部分第一像素驱动电路(1061)用于驱动显示透光区(100c)中第一显示像素(101)发光。

Description

显示面板及电子设备 技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板及电子设备。
背景技术
目前,在主动矩阵式有机发光二极管显示面板中的设计中,在主动矩阵式有机发光二极管显示面板上设置显示透光区,并在主动矩阵式有机发光二极管显示面板显示透光区对应的位置设置屏下摄像头是一种提高用户体验的方法。然而,如何提高主动矩阵式有机发光二极管显示面板的显示透光区的透光率以提高屏下摄像头的拍照效果是需要解决的问题。
技术问题
本申请的目的在于提供一种显示面板和电子设备,显示面板和电子设备的显示透光区具有更高的透光率。
技术解决方案
为实现上述目的,本申请提供一种显示面板,所述显示面板具有一功能附加区,所述功能附加区中具有至少一显示透光区,所述显示透光区设置有多个第一显示像素,所述显示透光区的外围设置有多个像素驱动电路岛、多个第一信号线以及多个第二信号线,每个所述像素驱动电路岛包括多个第一像素驱动电路,多个所述第一信号线和多个所述第二信号线均与多个所述像素驱动电路岛中的多个第一像素驱动电路电性连接,至少部分所述像素驱动电路岛的至少部分所述第一像素驱动电路用于驱动所述显示透光区中的多个所述第一显示像素发光。
在上述显示面板中,每个所述第一信号线包括第一迂回段,每个所述第二信号线包括第二迂回段,所述第一迂回段和所述第二迂回段位于不同层,多个所述第一信号线的所述第一迂回段设置于所述显示透光区的边缘,多个所述第二信号线的所述第二迂回段设置于所述显示透光区的边缘。
在上述显示面板中,多个所述第二信号线的所述第二迂回段环绕所述显示透光区的至少部分区域设置,至少部分所述像素驱动电路岛设置于多个所述第二信号线的所述第二迂回段围合的区域内。
在上述显示面板中,所述显示透光区为轴对称区域,所述显示透光区关于第一对称轴和第二对称轴对称,所述第一对称轴和所述第二对称轴相互垂直,
多个所述第一信号线的所述第一迂回段分为两组,两组所述第一迂回段关于所述第一对称轴对称地设置于所述显示透光区相对两侧的边缘;
多个所述第二信号线的所述第二迂回段分为两组,两组所述第二迂回段关于所述第二对称轴对称设置于所述显示透光区的边缘。
在上述显示面板中,至少部分所述像素驱动电路岛设置于所述显示透光区边缘,至少部分所述像素驱动电路岛包括第一组像素驱动电路岛和第二组像素驱动电路岛,
所述第一组像素驱动电路岛中的所述像素驱动电路岛与所述第二组像素驱动电路岛中的所述像素驱动电路岛关于所述第一对称轴镜像设置于所述显示透光区相对两侧的边缘;
一组所述第一迂回段依次电性连接所述第一组像素驱动电路岛中的每个所述像素驱动电路岛,另一组所述第一迂回段依次电性连接所述第二组像素驱动电路岛中的每个所述像素驱动电路岛;
每组所述第二迂回段的两端分别电性连接所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中互相镜像设置的所述像素驱动电路岛。
在上述显示面板中,所述显示透光区对应所述第一迂回段的边缘相对于所述显示透光区对应所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中的所述像素驱动电路岛的边缘凸出或内陷。
在上述显示面板中,所述第一组像素驱动电路岛和所述第二组像素驱动电路岛均呈直线并排设置,或,所述第一组像素驱动电路岛和所述第二组像素驱动电路岛均呈弧线设置。
在上述显示面板中,至少部分像素驱动电路岛呈环形排列设置于显示透光区的边缘,多个所述第二信号线的所述第二迂回段环绕至少部分所述像素驱动电路岛的外围设置且与至少部分所述像素驱动电路岛中的所述像素驱动电路岛均电性连接,多个所述第一信号线的所述第一迂回段依次电性连接至少部分所述像素驱动电路岛中的任意两个相邻的所述像素驱动电路岛。
在上述显示面板中,所述至少部分所述像素驱动电路岛还包括第三组像素驱动电路岛,所述第三组像素驱动电路岛中的像素驱动电路岛位于所述第一对称轴上且关于所述第二对称轴对称设置的像素驱动电路岛,
一组所述第一迂回段包括第一簇第一迂回段和第二簇第一迂回段,另一组所述第一迂回段包括第三簇第一迂回段和第四簇第一迂回段,第一簇所述第一迂回段依次电性连接所述第一组像素驱动电路岛中的像素驱动电路岛,第二簇所述第一迂回段电性连接所述第一组像素驱动电路岛和所述第三组像素驱动电路岛中的像素驱动电路岛,第三簇所述第一迂回段依次电性连接所述第二组像素驱动电路岛中的像素驱动电路岛,第四簇所述第一迂回段电性连接所述第二组像素驱动电路岛和所述第三组像素驱动电路岛中的像素驱动电路岛,
每组所述第二迂回段包括至少三簇长度不同的第二迂回段,一簇所述第二迂回段电性连接所述第三组像素驱动电路岛中的所述像素驱动电路岛,剩余每簇所述第二迂回段的两端分别电性连接所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中互相镜像设置的两个所述像素驱动电路岛。
在上述显示面板中,每组所述第二迂回段的两端从所述第二对称轴的一侧延伸至所述第一对称轴相对的两侧,且每组所述第二迂回段的每一端在所述第一对称轴的一侧分为至少两簇不同长度的所述第二迂回段,分别位于所述第一对称轴相对两侧的至少两簇不同长度的所述第二迂回段分别延伸至所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中的所述像素驱动电路岛对应所在位置。
在上述显示面板中,所述显示面板还包括多个连接线,所述连接线与所述第二迂回段位于不同层,每簇所述第二迂回段通过所述连接线与所述第一组像素驱动电路岛和所述第二组像素驱动岛中的一个所述像素驱动电路岛电性连接。
在上述显示面板中,所述显示面板还包括主显示区、多个第一扇形区和多个第二扇形区,所述主显示区位于所述功能附加区的外围,多个第一扇形区和多个第二扇形区均设置于主显示区且位于功能附加区的外围,
每个所述第一信号线还包括位于所述主显示区的第一直线段和位于所述第一扇形区的第一过渡段,每个所述第二信号线还包括位于所述主显示区的第二直线段和位于所述第二扇形区的第二过渡段,
所述第一直线段从所述主显示区延伸至所述第一扇形区以与所述第一过渡段电性连接,所述第二直线段从所述主显示区延伸至所述第二扇形区以与所述第二过渡段电性连接,所述第一过渡段与所述第一迂回段一对一电性连接,所述第二迂回段与所述第二过渡段一对一电性连接。
在上述显示面板中,所述主显示区设置有多个第二显示像素,所述显示面板还包括第四组像素驱动电路岛,所述第四组像素驱动电路岛设置于所述主显示区且靠近所述功能附加区,所述第四组像素驱动电路岛中的每个像素驱动电路岛包括多个第一像素驱动电路,所述第四组像素驱动电路岛中的至少部分所述第一像素驱动电路用于驱动多个所述第一扇形区和多个所述第二扇形区中的所述第二显示像素发光。
在上述显示面板中,所述主显示区设置有多个第二显示像素,所述主显示区还设置有多个第二像素驱动电路以驱动所述主显示区的多个所述第二显示像素发光,每个所述第一像素驱动电路占所述显示面板的面积小于每个所述第二像素驱动电路占所述显示面板的面积。
在上述显示面板中,每个所述第一像素驱动电路的器件面积之和小于每个所述第二像素驱动电路的器件面积之和,和/或,
每个所述第一像素驱动电路的器件数目之和小于每个所述第二像素驱动电路的器件数目之和,和/或,
每个所述第一像素驱动电路的平均布线面积小于每个所述第二像素驱动电路的平均布线面积,
其中,所述器件把包括开关单元以及电容器中的至少一种,所述布线包括多个信号走线。
在上述显示面板中,所述第一信号线为栅极线以及复位线中的至少一种,所述第二信号线为数据线。
在上述显示面板中,每个所述像素驱动电路岛中相邻两个所述第一像素驱动电路之间的间距小于任意两个相邻的所述第一显示像素之间的间距,相邻两个所述像素驱动电路岛之间的间距大于任意两个相邻的所述第一显示像素之间的间距。
在上述显示面板中,至少部分所述像素驱动电路岛中的至少部分所述第一像素驱动电路与多个所述第一显示像素通过透明导线电性连接。
一种电子设备,所述电子设备包括显示面板以及感光单元,所述显示面板具有一功能附加区,所述功能附加区中具有至少一显示透光区,所述显示透光区设置有多个第一显示像素,所述显示透光区的外围设置有多个像素驱动电路岛、多个第一信号线以及多个第二信号线,每个所述像素驱动电路岛包括多个第一像素驱动电路,多个所述第一信号线和多个所述第二信号线均与多个所述像素驱动电路岛中的多个第一像素驱动电路电性连接,至少部分所述像素驱动电路岛的至少部分所述第一像素驱动电路用于驱动所述显示透光区中的多个所述第一显示像素发光,
所述感光单元设置于显示面板的一侧且对应所述功能附加区设置。
在上述电子设备中,每个所述显示透光区的面积的取值范围为0.32mm 2-120mm 2
有益效果
本申请提供一种显示面板及电子设备,通过在显示透光区的外围设置多个像素驱动电路岛、多个第一信号线以及多个第二信号线,每个像素驱动电路岛包括多个第一像素驱动电路,多个第一信号线和多个第二信号线均与多个像素驱动电路岛的第一像素驱动电路电性连接,至少部分像素驱动电路岛的至少部分第一像素驱动电路用于驱动显示透光区中的多个第一显示像素发光,以提高显示面板的显示透光区的透光率,使得电子设备的感光单元接收更多的光信号。
附图说明
图1为本申请实施例显示面板的第一种平面示意图;
图2为本申请实施例显示面板的第二种平面示意图;
图3为图1所示显示面板的第一种局部放大图;
图4为图3所示显示面板的局部示意图;
图5为图3中一个像素驱动电路岛的示意图;
图6为图3所示显示面板的截面示意图;
图7为本申请第一像素驱动电路的示意图;
图8为图1所示显示面板的第二种局部放大图;
图9为图8所示显示面板的局部示意图;
图10为图1所示显示面板的第三种局部放大图;
图11为图10所示显示面板的局部示意图。
附图标示:
100显示面板; 100a主显示区;100b功能附加区;100c 显示透光区;100d第一扇形区; 100e 第二扇形区;101第一显示像素;102第二显示像素;103第二像素驱动电路;104第一信号线;1041 第一直线段;1042 第一过渡段;1043 第一迂回段; 105第二信号线;1051 第二直线段; 1052第二过渡段; 1053第二迂回段;106像素驱动电路岛;107连接线;1061 第一像素驱动电路;108 像素定义层;108a 第一开口; 108b第二开口;1011第一阳极;1021 第二阳极;A-A 第一对称轴; B-B第二对称轴;1062第一组像素驱动电路岛;1063第二组像素驱动电路岛;1064 第三组像素驱动电路岛;1065第四像素驱动电路岛;109 透明导线;1091第一透明导线;1092 第二透明导线;1093 第三透明导线;1094 第四透明导线;1095第五透明导线;1096 第六透明导线;1101第一绝缘层;1102 第二绝缘层;1103 第三绝缘层;1104 第四绝缘层;Vdd 第一电源信号线;DTFT驱动晶体管;STFT1 第一开关晶体管;Cap 存储电容;D 数据线;S扫描线。
本发明的实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述。显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
请参阅图1,其为本申请实施例显示面板的第一种平面示意图。显示面板100为主动矩阵式有机发光二极管显示面板。显示面板100具有主显示区100a,主显示区100a主要用于显示图像。显示面板100还具有功能附加区100b,功能附加区100b中具有至少一显示透光区100c。
如图1所示,功能附加区100b可以具有一个显示透光区100c。显示透光区100c的尺寸可以等于功能附加区100b的尺寸,即功能附加区100b和显示透光区100c完全重合;显示透光区100c的尺寸也可以小于功能附加区100b的尺寸,即显示透光区100c位于功能附加区100b内。
如图2所示,其为本申请实施例显示面板的第二种平面示意图。功能附加区100b也可以具有多个显示透光区100c,多个显示透光区100c均匀且有规律地设置于功能附加区100b内。
显示透光区100c用于显示图像的同时,显示透光区100c可以透光以使位于显示面板100一侧且对应功能附加区100b设置的感光单元可以接收光信号,并将光信号转化为电信号。显示透光区100c可以圆形、矩形、圆角矩形或不规则多边形。感光单元可以为摄像头、光学触控组件以及光学指纹识别传感器等。具体地,感光单元为摄像头。
请参阅图3、图4、图5以及图6,图3为图1所示显示面板的第一种局部放大图,图4为图3所示显示面板的局部示意图,图5为图3中一个像素驱动电路岛的示意图,图6为图3所示显示面板的截面示意图。显示面板100具有主显示区100a、多个第一扇形区100d、多个第二扇形区100e以及功能附加区100b。显示面板100包括多个第一显示像素101、多个第二显示像素102、多个第二像素驱动电路103、多个第一信号线104、多个第二信号线105、多个像素驱动电路岛106以及连接线107。
主显示区100a设置有多个第二显示像素102。主显示区100a位于功能附加区100b的外围。每个第二显示像素102包括至少三个第二子像素。每个第二显示像素102包括红光第二子像素、蓝光第二子像素以及绿光第二子像素。红光第二子像素、蓝光第二子像素以及绿光第二子像素均为有机发光二极管。主显示区100a还设置有多个第二像素驱动电路103以驱动主显示区100a的多个第二显示像素102发光。每个有机发光二极管下方对应设置一个第二像素驱动电路103。每个第二像素驱动电路103可以包括开关元件、电容器等器件。每个第二像素驱动电路103还包括电性连接多个器件的布线。开关元件可以为薄膜晶体管以及二极管等。
功能附加区100b用于设置功能器件,以使显示面板100实现除显示功能之外的功能,例如拍照功能、光学触控功能以及光学指纹识别等。整个功能显示区100b设置有多个用于显示的像素,即显示面板100的功能附加区100b以及主显示100a区均设置有用于显示的像素。功能附加区100b可以位于显示面板100的一端,也可以位于显示面板100的中间位置。
功能附加区100b具有多个显示透光区100c时,相邻两个显示透光区100c之间区域的透光率可以小于显示透光区100c的透光率。相邻两个显示透光区100c之间区域的像素的像素密度可以与显示透光区100c的第一显示像素101的像素密度相同,也可以与主显示区100a的第二显示像素102的像素密度相同,或者与显示透光区100c的第一显示像素101和主显示区100a的第二显示像素102的像素密度均不同。
每个显示透光区100c的面积大于主显示区100a的每个第二显示像素102的面积。具体地,每个显示透光区100c的面积与主显示区100a的每个第二显示像素102的面积的比值的取值范围为50-210000,例如比值的取值为100,1000,2000,5000,10000以及200000等。
每个显示透光区100c的面积的取值范围为0.32mm 2-120mm 2,以保证显示面板100的功能附加区100b对应设置摄像头时,摄像头能具有良好的拍照效果,并降低工艺难度。显示透光区100c的面积小于0.32mm 2会导致显示透光区100c出现光的干涉等现象,不利于摄像头成像;而显示透光区100c的面积大于120mm 2会导致工艺难度增加,例如,需要使用更多导线以连接第一显示像素101以及显示透光区100c外围的第一像素驱动电路1061,更多导线同层设置会增加相邻两个导线之间出现短路的风险,更多导线分为多层设置,会增加相邻两层导线之间电性接触不良的风险,即显示透光区100c的面积大于120mm 2会导致显示面板的制造工艺难度增加。进一步地,每个显示透光区的面积为0.36mm 2-100mm 2,以进一步地提高摄像头的拍照效果,并降低显示面板的制造工艺难度。
每个显示透光区100c的透光率大于主显示区100a的透光率,以使得主显示区100a能设置更多第二显示像素102从而更丰富地显示图像,显示透光区100c显示的同时,能接收更多的光信号。
为了便于说明本实施例的技术方案,本实施例以功能附加区100b具有一个显示透光区100c,功能附加区100b的尺寸大于显示透光区100c的尺寸,且显示透光区100c位于功能附加区100b的中间位置进行说明。
显示透光区100c设置有多个第一显示像素101。每个第一显示像素101包括至少三个第一子像素。每个第一显示像素101可以包括一个红色第一子像素、一个蓝色第一子像素以及一个绿色第一子像素。每个第一显示像素还可以包括白色第一子像素。组成第一显示像素101的第一子像素可以是有机发光二极管、微型发光二极管或者量子点发光二极管中的任意一种。具体地,组成第一显示像素的第一子像素为有机发光二极管。
显示透光区100c的第一显示像素101的像素密度可以小于主显示区100a的第二显示像素102的像素密度,和/或,相邻两个第一显示像素101之间的间距大于相邻两个第二显示像素102的间距,和/或,显示透光区100c的第一显示像素101的尺寸可以小于主显示区100a中第二显示像素102的尺寸,以使显示透光区100c的透光率大于主显示区100a的透光率。
显示面板100还包括像素定义层108,像素定义层108对应第一显示像素101的第一子像素的第一开口108a小于像素定义层108对应第二显示像素102的第二子像素的第二开口108b,以使得第一显示像素101的第一子像素的尺寸小于第二显示像素102的第二子像素的尺寸。另外,第一显示像素101的每个第一子像素包括一第一阳极1011、一第一阴极以及位于第一阳极1011和第一阴极之间的第一有机发光层。第二显示像素102的每个第二子像素包括一第二阳极1021、一第二阴极以及位于第二阳极1021和第二阴极之间的第二有机发光层。第一阴极和第二阴极为透明电极且同层同一制程形成,第一阳极1011和第二阳极1021为不透明电极且同层设置。每个第一阳极1011的尺寸小于每个第二阳极1021的尺寸,以使得第一显示像素101的第一子像素的尺寸小于第二显示像素102的第二子像素的尺寸。第一显示像素101的每个第一子像素的尺寸小于第二显示像素102的每个第二子像素的尺寸,有利于第一显示像素101的尺寸小于第二显示像素102的尺寸,从而使得显示透光区100c的透光率大于主显示区100a的透光率。
每个显示透光区100c中的多个第一显示像素101的第一阳极1011的面积之和与对应显示透光区100c的面积的比值小于50%,以保证显示透光区100c具有足够的透光面积,进而保证感光单元接收足够的光信号。每个显示透光区100c的多个第一显示像素101的第一阳极1011的面积之和与对应显示透光区100c面积的比值大于5%,以保证显示透光区100c具有足够的第一显示像素101以进行显示。每个显示透光区100c中的多个第一显示像素101的第一阳极1011的面积之和与对应显示透光区100c的面积的比值的取值范围为8%-45%,以实现显示透光区100c显示功能和透光功能的平衡。
显示透光区100c的外围设置有多个像素驱动电路岛106、多个第一信号线104以及多个第二信号线105。多个第一信号线104和多个第二信号线105均与多个像素驱动电路岛106中的第一像素驱动电路1061电性连接,以向多个第一像素驱动电路1061输入各种电信号。
至少部分像素驱动电路岛106的至少部分第一像素驱动电路1061用于驱动显示透光区100c中的多个第一显示像素101发光,使得显示透光区100c不设置有像素驱动电路,而第一显示像素101的像素驱动电路设置于显示透光区100c的外围,使得显示透光区100c具有高透光率,且显示透光区100c中第一显示像素101对应的第一像素驱动电路1061呈岛状集中分布,使得显示面板100的透光区集中于显示透光区100c,即增加显示透光区100c的尺寸。多个第一信号线104和多个第二信号线105配合多个像素驱动电路岛106设置于显示透光区100c的外围,进一步地提高显示透光区100c的透光率。
功能附加区100b中具有多个显示透光区100c时,多个像素驱动电路岛106可以全部设置于多个显示透光区100c外以及功能附加区100b内;多个像素驱动电路岛106也可以部分设置于显示透光区100c外围以及功能附加区100b内,部分像素驱动电路岛106设置于主显示区100a中。功能附加区100b只具有一个显示透光区100c且两者完全重合时,多个像素驱动电路岛106也可以全部设置于主显示区100a中。功能附加区100b只具有一个显示透光区100c且功能附加区100c的尺寸大于显示透光区100c的尺寸时,部分像素驱动电路岛106设置于显示透光区100c外围及功能附加区100b内,部分像素驱动电路岛106设置于主显示区100a中。在本实施例中,部分像素驱动电路岛106设置于显示透光区100a外围及功能附加区100b内,部分像素驱动电路岛106设置于主显示区100a中。
每个像素驱动电路岛106包括多个第一像素驱动电路1061。每个第一像素驱动电路1061包括器件以及布线,器件包括开关元件以及电容器,布线包括信号走线。开关元件可以为薄膜晶体管、二极管或者其他器件。
本申请通过使组成每个像素驱动电路岛106的多个第一像素驱动电路1061的电路设计不同于主显示区100a中用于驱动多个第二显示像素的第二像素驱动电路103的电路设计,以使每个像素驱动电路岛106占用显示面板100的空间较小,便于在显示面板100有限的空间中设置多个像素驱动电路岛106。具体为,每个第一像素驱动电路1061占显示面板100的面积小于每个第二像素驱动电路103占显示面板100的面积,以减小多个第一像素驱动电路1061组成的每个像素驱动电路岛106占用显示面板100的空间,同时,也可以使得显示透光区100c的尺寸可以设计得更大。
每个第一像素驱动电路1061的器件面积之和小于每个第二像素驱动电路103的器件面积之和,和/或,每个第一像素驱动电路1061的器件数目之和小于每个第二像素驱动电路103的器件数目之和,和/或,每个第一像素驱动电路1061的平均布线面积小于每个第二像素驱动电路103的平均布线面积,其中,器件包括开关单元以及电容器中的至少一种,布线包括多个信号走线。
第一像素驱动电路1061中的器件尺寸小于第二像素驱动电路103中的器件尺寸,以使第一像素驱动电路1061的器件面积之和小于第二像素驱动电路103的器件面积之和。例如,第一像素驱动电路1061中的开关单元的尺寸小于第二像素驱动电路103中的开关单元的尺寸,和/或,第一像素驱动电路1061中的电容器的尺寸小于第二像素驱动电路103中的电容器的尺寸。此时,第一像素驱动电路1061与第二像素驱动电路103可以同时采用7T1C电路、6T1C电路、4T1C电路以及2T1C电路中的一种,不同之处在于,第一像素驱动电路1061中的器件尺寸小于第二像素驱动电路103中的器件尺寸,其中,7T1C电路包括7个薄膜晶体管以及1个电容器,6T1C电路包括6个薄膜晶体管以及1个电容器,4T1C电路包括4个薄膜晶体管以及1个电容器,2T1C电路包括2个薄膜晶体管以及1个电容器,7T1C电路、6T1C电路、4T1C电路以及2T1C电路均采用本领域的常规设计,本申请不作具体地限定。
第二像素驱动电路103采用7T1C电路,第一像素驱动电路1061采用2T1C电路、4T1C电路以及6T1C电路中的至少一种;或,第二像素驱动电路103采用6T1C电路,第一像素驱动电路1061采用4T1C电路以及2T1C电路中的至少一种;或,第二像素驱动电路103采用4T1C电路,第一像素驱动电路1061采用2T1C电路,以使每个第一像素驱动电路1061的器件数目之和小于每个第二像素驱动电路103的器件数目之和。
相邻两个第一像素驱动电路1061至少共用一条信号走线,且相邻两个第一像素驱动电路1061关于一条信号走线镜像对称设置,信号走线包括电源信号走线,以使每个第一像素驱动电路1061占用的平均布线面积小于每个第二像素驱动电路103占用的平均布线面积。多个第一像素驱动电路1061的布线面积减小,使得每个像素驱动电路岛106占据显示面板100的面积进一步减小,更有利于进一步地增加显示透光区100c的尺寸。具体地,如图7所示,其为本申请第一像素驱动电路的示意图。第一像素驱动电路1061采用2T1C电路,相邻两个第一像素驱动电路1061共用一条第一电源信号线Vdd,且相邻两个第一像素驱动电路1061的驱动晶体管DTFT、第一开关晶体管STFT1以及存储电容Cap分别镜像对称设置于第一电源信号走线Vdd的相对两侧,以减少多个第一像素驱动电路1061总共所需的布线数量。而主显示区100a的第二像素驱动电路106采用常规设计,故每个第一像素驱动电路1061的平均布线面积小于每个第二像素驱动电路103的平均布线面积。
每个像素驱动电路岛106是将多个第一像素驱动电路1061呈岛状集中聚集在一起而形成,而呈岛状集中聚集在一起是相对于传统技术中像素驱动电路较分散而言的,即相对于传统技术中一个子像素对应一个像素驱动电路而言。由于第一像素驱动电路1061包括多个金属膜层,多个金属膜层具有遮光作用,故显示面板100对应设置像素驱动电路岛106的区域不具有透光性。具体地,每个像素驱动电路岛106包括m×n个阵列排布的第一像素驱动电路1061,m表示第一像素驱动电路1061的行数,n表示第一像素驱动电路1061的列数,m和n均为正整数,m和n中至少之一为大于1。m的取值范围为大于或等于3且小于128,n的取值范围为大于或等于1且小于128。进一步地,m的取值范围为大于或等于3且小于64,n的取值范围为大于或等于1且小于64。
每个像素驱动电路岛106中相邻两个第一像素驱动电路1061之间的间距小于任意两个相邻的第一显示像素101之间的间距,相邻两个像素驱动电路岛106之间的间距大于任意两个相邻的第一显示像素101之间的间距。
需要说明的是,每个像素驱动电路岛106中的第一像素驱动电路1061除了可以用于驱动显示透光区100c的多个第一显示像素101,以保证显示透光区100c不设置有像素驱动电路。每个像素驱动电路岛106中的第一像素驱动电路1061还可以用于驱动像素驱动电路岛106对应区域的像素,即位于像素驱动电路岛106正上方的像素;像素驱动电路岛106中的第一像素驱动电路1061还可以用于驱动第一扇区100d和第二扇形区100e对应区域的像素以及功能附加区100b附近的像素。
至少部分像素驱动电路岛106设置于显示透光区100c的边缘。在本实施例中,显示透光区100c为轴对称区域,至少部分像素驱动电路岛106关于显示透光区100c的对称轴对称设置于显示透光区100c的边缘。轴对称区域可以正方形区域、矩形区域、棱形区域、圆形区域或者轴对称的不规则区域等。可以理解的是,显示透光区也可以为非轴对称区域。
具体地,显示透光区100c关于第一对称轴A-A和第二对称轴B-B对称,第一对称轴A-A和第二对称轴B-B互相垂直。至少部分像素驱动电路岛106设置于显示透光区100c外围的部分区域。至少部分像素驱动电路岛106包括第一组像素驱动电路岛1062和第二组像素驱动电路岛1063。第一组像素驱动电路岛1062中的像素驱动电路岛106与第二组像素驱动电路岛1063中的像素驱动电路岛106关于显示透光区100c的第一对称轴A-A镜像设置于显示透光区100c相对两侧的边缘。第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的像素驱动电路岛106均呈直线并排设置。可以理解的是,第一对称轴A-A和第二对称轴B-B之间的夹角也可以大于0度且小于90度。
如图6所示,其为图3所示显示面板的截面示意图。显示面板100包括多个第一像素驱动电路1061、多个第二像素驱动电路103、至少三层绝缘层、像素定义层108、多个透明导线109、多个第一阳极1011以及多个第二阳极1021。
至少部分第一像素驱动电路1061设置于功能附加区100b内且位于显示透光区100c外。多个第二像素驱动电路103设置于主显示区100a。至少三层绝缘层覆盖多个第一像素驱动电路1061和多个第二像素驱动电路103。多个透明导线109设置于至少三层绝缘层之间。多个第一阳极1011和多个第二阳极1021设置于至少三层绝缘层上,多个第一阳极1011设置于显示透光区100c,多个第二阳极1021设置于主显示区100a。像素定义层108覆盖多个第一阳极1011、多个第二阳极1021以及绝缘层,且对应每个第一阳极1011具有第一开口108a,对应每个第二阳极1021具有第二开口108b。
至少部分像素驱动电路岛106中的至少部分第一像素驱动电路1061与多个第一显示像素101通过透明导线电性连接。具体地,至少部分像素驱动电路岛106中的至少部分第一像素驱动电路1061与多个第一显示像素101的第一子像素的第一阳极1011通过透明导线109电性连接,以提高显示透光区100c的透光率。第一像素驱动电路1061与第一阳极1011一对一地电性连接。
多个透明导线109包括位于不同层的至少两层透明导线109,以增加多个透明导线109的布线空间,避免多个位于同层的透明导线109之间发生短路。同一层相邻两条透明导线109之间的间距大于2微米,以避免同一层相邻两条透明导线109之间发生短路。每条透明导线109的线宽大于1微米,以避免透明导线109线宽较窄而导致断裂或阻抗太大。
一个第一阳极1011可以通过一绝缘层上的透明导线109与一个第一像素驱动电路1061电性连接,另一第一阳极1011可以通过另一绝缘层上的另一透明导线109与另一第一像素驱动电路1061电性连接,即至少两个第一阳极1011分别通过两个位于不同层的透明导线109与两个不同的第一像素驱动电路1061电性连接。一个第一阳极1011也可以通过位于不同层的两个或多个透明导线109电性连接。
第一阳极1011可以通过位于功能附加区100b的至少两层透明导线109与第一像素驱动电路1061电性连接,相邻两层透明导线109之间通过绝缘层上的过孔电性连接。第一阳极1011也可以通过至少部分位于主显示区100a的透明导线109以及部分位于功能附加区100b的透明导线109与第一像素驱动电路1061电性连接,即在主显示区100a设置透明导线109以电性连接第一像素驱动电路1061以及第一阳极1011,进一步地增加透明导线109的布线空间,避免出现同一层且相邻透明导线109之间的间距较窄而出现短路的问题。
靠近主显示区100a的第一显示像素101的第一阳极1011通过至少部分位于主显示区100a的透明导线109以及部分位于功能附加区100b的透明导线109与第一像素驱动电路1061连接,远离主显示区100a的第一显示像素101的第一阳极1011通过位于功能附加区100b的透明导线109与第一像素驱动电路1061电性连接,以减少透明导线109需要的整体布线空间。
具体地,至少部分第一像素驱动电路1061设置于功能附加区100b内且显示区100c外,多个第二像素驱动电路103设置于主显示区100a且对应多个第二显示像素102设置。至少三层绝缘层包括第一绝缘层1101、第二绝缘层1102、第三绝缘层1103以及第四绝缘层1104,四个绝缘层形成于主显示区100a以及功能附加区100b。第一绝缘层1011覆盖至少部分第一像素驱动电路1061和多个第二像素驱动电路103。第一透明导线1091和第二透明导线1092位于第一绝缘层1101上,第一透明导线1091位于功能附件区100b,第二透明导线1092从功能附加区100b延伸至主显示区100a。第二绝缘层1102覆盖第一透明导线1091、第二透明导线1092以及第一绝缘层1101。第三透明导线1093和第四透明导线1094位于第二绝缘层1102上,第三透明导线1093位于显示透光区100c且与第一透明导线1091通过第二绝缘层1102上的过孔电性连接,第四透明导线1094位于主显示区100a且与第二透明导线1092电性连接。第三绝缘层1103覆盖第三透明导线1093、第四透明导线1094以及第二绝缘层1102。第五透明导线1095和第六透明导线1096位于第三绝缘层1103上,第五透明导线1095位于显示透光区100c,第六透明导线1096从主显示区100a延伸至显示透光区100c,第五透明导线1095与第三透明导线1093通过第三绝缘层1103上的过孔电性连接,第六透明导线1096与第四透明导线1094通过第三绝缘层1103上的过孔电性连接。第四绝缘层1104覆盖第五透明导线1095、第六透明导线1096以及第三绝缘层1103。多个第一阳极1011位于显示透光区100c的第四绝缘层1104上,一第一阳极1101通过第四绝缘层1104上的过孔与第五透明导线1095电性连接,另一第一阳极1011通过第四绝缘层1104上的过孔与第六透明导线1096电性连接。主显示区100a的第二显示像素102的第二阳极1021通过位于至少三层绝缘层之间的导电层电性连接,相邻两层导电层之间通过绝缘层上的过孔电性连接,导电层与第二阳极1021通过绝缘层上的过孔电信连接,导电层通过绝缘层上的过孔与第二像素驱动电路103电性连接。
显示面板还包括第四组像素驱动电路岛1065。第四组像素驱动电路岛1065设置于主显示区100a且靠近功能附加区100b。第四组像素驱动电路岛1065中的每个像素驱动电路岛106包括多个第一像素驱动电路1061,第四组像素驱动电路岛1065中的至少部分第一像素驱动电路1061用于驱动多个第一扇形区100d和多个第二扇形100e中的第二显示像素103发光,以适应多个第一扇形区100d和多个第二扇形区100e由于金属线分布较密而无法设置像素驱动电路的情况。
需要说明的是,第四组像素驱动电路岛1065中的第一像素驱动电路1061也可以用于驱动功能附加区100b中或者功能附加区100b附近的像素发光。第四组像素驱动电路岛1065中的第一像素驱动电路1061可以与第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的第一像素驱动电路1061相同,也可以不相同。
多个第一扇形区100d和多个第二扇形区100e均设置于主显示区100a且位于功能附加区100b的外围。多个第一扇形区100d和多个第二扇形区100e设置有多个第二显示像素103,由于多个第一扇形区100d和多个第二扇形区100e中的走线密度大,多个第一扇形区100d和多个第二扇形区100e无法设置像素驱动电路。
如图3所示,多个第一扇形区100d是由多个第一过渡段1042呈扇形排布定义出的区域,多个第二扇形区100e是由多个第二过渡段1052呈扇形排布定义出的区域。
第一信号线104为栅极线以及复位线中的至少一种。具体地,第一信号线可以包括扫描线、控制有机发光二极管发光的发光信号线、控制有机发光二极管的阳极复位的复位线中的至少一种。每个第一信号线104包括第一直线段1041、第一迂回段1043以及第一过渡段1042。
第一直线段1041位于主显示区100a,多个第一信号线104的多个第一直线段1041水平平行设置。第一过渡段1042位于第一扇形区100d,多个第一过渡段1042在第一扇形区100d呈扇形分布。第一直线段1041从主显示区100a延伸至第一扇形区100d以与第一过渡段1042电性连接,以使多个第一信号线104集成多组第一信号线,改变多组第一信号线的延伸路径以避免多个第一信号线104穿过显示透光区100c。第一扇形区100d中相邻两个第一过渡段1042之间的间距小于主显示区100a中相邻两个第一直线段1041之间的间距。为了避免相邻两个第一过渡段1042之间间距较小而出现短路,可以使得第一扇形区100d的多个第一过渡段1042分成至少两层设置。
具体地,多个第一信号线104的多个第一直线1041分为至少两组分别延伸至至少两个第一扇形区100d中以与多个第一过渡段1042一对一地电性连接。每组第一直线段1041分别对应延伸至一个第一扇形区100d中。多个第一过渡段1042分为至少两组,每组第一过渡段1042位于一个第一扇形区100d中。多个第一扇形区100d对称设置于功能附加区100b相对两侧且与第一组像素驱动电路岛1062以及第二组像素驱动电路岛1063并排设置。多个第一信号线104的多个第一迂回段1043设置于显示透光区100c的边缘。第一过渡段1042与第一迂回段1043一对一地电性连接。多个第一过渡段1042和多个第一迂回段1043均与第四组像素驱动电路岛1065中的同一像素驱动电路岛106电性连接。
多个第一信号线104的第一迂回段1043分为两组,两组第一迂回段1043关于第一对称轴A-A对称地设置于显示透光区100c相对两侧的边缘,每组第一迂回段1043均集中地布设于第一对称轴A-A的一侧,即每组第一迂回段1043中相邻两个第一迂回段1043之间的间距小于对应与该组第一迂回段1043电性连接一组第一过渡段1042中相邻两个第一过渡段1042之间的间距。一组第一迂回段1043依次电性连接第一组像素驱动电路1062中的每个像素驱动电路岛106,另一组第一迂回段1043依次电性连接第二组像素驱动电路岛1043中的每个像素驱动电路岛106,即一组第一迂回段1043依次串接第一组像素驱动电路岛1062中的每个像素驱动电路岛106,另一组第一迂回段1043依次串接第二组像素驱动电路岛1063中的每个像素驱动电路岛106。
需要说明的是,如图3所示,由于每组第一迂回段1043中的第一迂回段1043的数目较多且相邻两个第一迂回段1043之间间距较小,第一迂回段1043为遮光导线,多个第一迂回段1043构成显示透光区100c一侧的不透区光的同时,定义显示透光区100c对应第一迂回段1043的边缘。
第二信号线105可以包括数据线。每个第二信号线105包括第二直线段1051、第二迂回段1052以及第二过渡段1053。
第二直线段1051位于主显示区100a,多个第二信号线100的多个第二直线段1051竖直平行设置。多个第一信号线104的多个第一直线段1041在显示面板100上的垂直投影与多个第二信号线105的多个第二直线段1051在显示面板100上的垂直投影互相垂直相交。第二过渡段1052位于第二扇形区100e,多个第二过渡段1052在第二扇形区100e呈扇形分布。第二直线段1051从主显示区100a延伸至第二扇形区100e以与第二过渡段1052电性连接连接,以使多个第二信号线105集成多簇第二信号线105,改变多簇第二信号线105的延伸方向以避免第二信号线105穿过显示透光区。第二扇形区100e中相邻两个第二过渡段1052之间的间距小于主显示区100a中相邻两个第二直线段1051之间的间距。
具体地,多个第二信号线105的多个第二直线段1051分成多簇分别延伸至多个第二扇形区100e以与多个第二过渡段1052电性连接。每簇第一直线段1051对应延伸至一个第二扇形区100e中。多个第二过渡段1052分为多簇第二过渡段1052,每簇第二过渡段1052位于同一个第二扇形区100e中。多个第二扇形区100e对称设置于功能附加区100b相对两侧且对应第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的像素驱动电路岛106设置。多个第二信号线105的第二迂回段1053设置于显示透光区100c的边缘。第二过渡段1052与第二迂回段1053一对一地电性连接。第一迂回段1043与第二迂回段1053位于不同层。
如图3所示,多个第二信号线105的第二迂回段1053环绕显示透光区100c的至少部分区域设置,至少部分像素驱动电路岛106设置于多个第二信号线105的第二迂回段1053围合的区域内。可以理解的是,部分像素驱动电路岛106也可以设置于多个第二信号线105的第二迂回段105围合的区域外。
多个第二信号线105的第二迂回段1053分为两组,两组第二迂回段1053关于第二对称轴B-B对称设置于显示透光区100c的边缘。每组第二迂回段1053的两端分别电性连接第一组像素驱动岛1062和第二组像素驱动电路岛1063中互相镜像设置的像素驱动电路岛106。每组第二迂回段1053的两端从第二对称轴B-B的一侧延伸至第一对称轴A-A相对的两侧,且每组第二迂回段的每一端在第一对称轴A-A相对的一侧分为至少两簇不同长度的第二迂回段1053,分别位于第一对称轴的至少两簇不同长度的第二迂回段1053的分别延伸至第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的像素驱动电路岛106对应的位置,以便于每簇第二迂回段1053与像素驱动电路岛电性连接。长度较长的每簇第二迂回段1053分别延伸至第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中靠近第二对称轴B-B设置的像素驱动电路岛106所在位置,长度较短的每簇第二迂回段1053延伸至第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中远离第二对称轴B-B的像素驱动电路岛106所在位置,从第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中像素驱动电路岛106所在位置,每簇第二迂回段1053分别继续朝向多个第二扇形区100e延伸,以避免相邻的两簇第二迂回段1053在延伸过程中出现短路。每簇第二迂回段1053与一簇第二过渡段1052电性连接,即第二迂回段1053与第二过渡段1052电性连接。
需要说明的是,在本实施例中,如图3所示,由于每组第二迂回段1053中的第一迂回段1053的数目较多,且第二迂回段1053为遮光导线,多个第二迂回段1053构成显示透光区100c一侧的不透区光的同时,定义显示透光区100c对应第二迂回段1053的边缘。多个第一迂回段1043、多个第二迂回段1053以及至少部分像素驱动电路岛106围合成的区域即为显示透光区100c。
进一步地,显示透光区100c对应第一迂回段1043的边缘相对于显示透光区100c对应第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的像素驱动电路岛106的边缘凸出或凹陷,以增加显示透光区100c中透光区的透光面积。具体地,显示透光区100c对应第一迂回段1043的边缘相对于显示透光区100c对应第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的像素驱动电路岛106的边缘凸出。第一迂回段1043也可以是直线,也可以是弧形,或者包括多个折线段。
进一步地,如图4所示,显示面板还包括多个连接线107,连接线107与第二迂回段1053位于不同层,每簇第二迂回段1053通过连接线107与第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中的一个像素驱动电路岛106电性连接,以避免同一组相邻两簇第二迂回段1053为了实现与像素驱动电路岛106电性连接,在延伸的过程中相交而出现短路。
请参阅图8和图9,图8为图1所示显示面板的第二种局部放大图,图9为图8所示显示面板的局部示意图。图8所示显示面板与图3所示显示面板基本相似,不同之处在于,第一组像素驱动电路岛1062和第二组像素驱动电路岛1063均呈弧线设置。具体,第一组像素驱动电路岛1062和第二组像素驱动电路岛1063均呈圆弧线设置。
请参阅图10和图11,图10为图1所示显示面板的第三种局部放大图,图11为图10所示显示面板的局部示意图。图10所示显示面板与图3所示显示面板基本相似,不同之处在于,至少部分像素驱动电路岛106环绕整个显示透光区100c设置。
至少部分像素驱动电路岛106呈环形排列设置于显示透光区100c的边缘。多个第二信号线105的第二迂回段1053环绕至少部分像素驱动电路岛106的外围设置且与至少部分像素驱动电路岛106中的像素驱动电路岛106均电性连接。多个第一信号线104的第一迂回段1043依次电性连接至少部分像素驱动电路岛106中的任意两个相邻的像素驱动电路岛106。
具体地,至少部分像素驱动电路岛106呈圆环形排列设置于显示透光区100c的边缘。至少部分像素驱动电路岛106相互平行设置。至少部分像素驱动电路岛106包括第一组像素驱动电路岛1062和第二组像素驱动电路岛1063,第一组像素驱动电路岛1062和第二组像素驱动电路岛1063均呈弧线设置,至少部分像素驱动电路岛106还包括第三组像素驱动电路岛1064,第三组像素驱动电路岛1064中的像素驱动电路岛106位于第一对称轴A-A上且关于第二对称轴B-B对称设置。
一组第一迂回段1043包括第一簇第一迂回段和第二簇第一迂回段,另一组第一迂回段包括第三簇第一迂回段和第四簇第一迂回段,第一簇第一迂回段依次电性连接第一组像素驱动电路岛1062中的像素驱动电路岛106,第二簇第一迂回段电性连接第一组像素驱动电路岛1062和第三组像素驱动电路岛1064中的像素驱动电路岛106,第三簇第一迂回段依次电性连接第二组像素驱动电路岛1063中的像素驱动电路岛106,第四簇第一迂回段电性连接第二组像素驱动电路岛1063和第三组像素驱动电路岛1064中的像素驱动电路岛106;每组第二迂回段1053包括至少三簇不同长度的第二迂回段1053,一簇第二迂回段1053电性连接第三组像素驱动电路岛1064中的像素驱动电路岛106,剩余每簇第二迂回段1053的两端分别电性连接第一组像素驱动电路岛1062和第二组像素驱动电路岛1063中互相镜像设置的两个像素驱动电路岛106。位于第一对称轴A-A一侧的第一簇第一迂回段和第二簇第一迂回段集中设置,位于第二对称轴B-B两侧的第一簇第一迂回段和第二簇第一迂回段分散设置,即位于第一对称轴A-A一侧的第一簇第一迂回段和第二簇第一迂回段之间的间距小于位于第二对称轴B-B两侧的第一簇第一迂回段和第二簇第一迂回段之间的间距。
传统技术中,每个显示子像素的下方对应设置一个像素驱动电路,使得多个显示像素对应的多个像素驱动电路分散地分布。本申请在显示透光区的外围设置多个像素驱动电路岛,每个像素驱动电路岛包括多个第一像素驱动电路,至少部分像素驱动电路岛的至少部分第一像素驱动电路用于驱动显示透光区的多个第一显示像素,以使得显示透光区不设置驱动电路,从而使显示透光区的透光率提高。多个像素驱动电路岛的设置也使显示透光区中透光区的尺寸增加。多个第一信号线和多个第二信号线配合多个像素驱动电路岛设置于显示透光区的外围,进一步地提高显示透光区的透光率。
需要说明的是,图8以及图10中的显示透光区100c和图3中的显示透光区100c一样,均是由至少部分像素驱动电路岛106以及电性连接至少部分像素驱动电路岛106的多个第一迂回段1043和多个第二迂回段1053限定的,至少部分像素驱动电路岛106中的至少部分第一像素驱动电路1061用于驱动显示透光区100c的多个第一显示像素发光101。
本申请还提供一种电子设备,电子设备包括上述显示面板和感光单元,感光单元设置于显示面板的一侧且对应功能附加区设置。具体地,感光单元为摄像头。
本申请电子设备在显示面板显示透光区的外围设置多个像素驱动电路岛,每个像素驱动电路岛包括多个第一像素驱动电路,至少部分像素驱动电路岛的至少部分第一像素驱动电路用于驱动显示透光区的多个第一显示像素,以使得显示透光区不设置驱动电路,从而使显示透光区的透光率提高,多个像素驱动电路岛的设置也使显示透光区中透光区的尺寸增加,从而使得感光单元为摄像头时,摄像头具有良好的拍照效果的同时,也使得显示透光区也可以进行显示。将第一信号线和第二信号线设置于显示透光区的外围,以进一步地提高显示透光区的透光率,进一步地提高功能附加区的透光率,从而提高摄像头的成像质量。
以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想;本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种显示面板,其中,所述显示面板具有一功能附加区,所述功能附加区中具有至少一显示透光区,所述显示透光区设置有多个第一显示像素,所述显示透光区的外围设置有多个像素驱动电路岛、多个第一信号线以及多个第二信号线,每个所述像素驱动电路岛包括多个第一像素驱动电路,多个所述第一信号线和多个所述第二信号线均与多个所述像素驱动电路岛中的多个第一像素驱动电路电性连接,至少部分所述像素驱动电路岛的至少部分所述第一像素驱动电路用于驱动所述显示透光区中的多个所述第一显示像素发光。
  2. 根据权利要求1所述的显示面板,其中,每个所述第一信号线包括第一迂回段,每个所述第二信号线包括第二迂回段,所述第一迂回段和所述第二迂回段位于不同层,多个所述第一信号线的所述第一迂回段设置于所述显示透光区的边缘,多个所述第二信号线的所述第二迂回段设置于所述显示透光区的边缘。
  3. 根据权利要求2所述的显示面板,其中,多个所述第二信号线的所述第二迂回段环绕所述显示透光区的至少部分区域设置,至少部分所述像素驱动电路岛设置于多个所述第二信号线的所述第二迂回段围合的区域内。
  4. 根据权利要求2所述的显示面板,其中,所述显示透光区为轴对称区域,所述显示透光区关于第一对称轴和第二对称轴对称,所述第一对称轴和所述第二对称轴相互垂直,
    多个所述第一信号线的所述第一迂回段分为两组,两组所述第一迂回段关于所述第一对称轴对称地设置于所述显示透光区相对两侧的边缘;
    多个所述第二信号线的所述第二迂回段分为两组,两组所述第二迂回段关于所述第二对称轴对称设置于所述显示透光区的边缘。
  5. 根据权利要求4所述的显示面板,其中,至少部分所述像素驱动电路岛设置于所述显示透光区边缘,至少部分所述像素驱动电路岛包括第一组像素驱动电路岛和第二组像素驱动电路岛,
    所述第一组像素驱动电路岛中的所述像素驱动电路岛与所述第二组像素驱动电路岛中的所述像素驱动电路岛关于所述第一对称轴镜像设置于所述显示透光区相对两侧的边缘;
    一组所述第一迂回段依次电性连接所述第一组像素驱动电路岛中的每个所述像素驱动电路岛,另一组所述第一迂回段依次电性连接所述第二组像素驱动电路岛中的每个所述像素驱动电路岛;
    每组所述第二迂回段的两端分别电性连接所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中互相镜像设置的所述像素驱动电路岛。
  6. 根据权利要求5所述的显示面板,其中,所述显示透光区对应所述第一迂回段的边缘相对于所述显示透光区对应所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中的所述像素驱动电路岛的边缘凸出或内陷。
  7. 根据权利要求5所述的显示面板,其中,所述第一组像素驱动电路岛和所述第二组像素驱动电路岛均呈直线并排设置,或,所述第一组像素驱动电路岛和所述第二组像素驱动电路岛均呈弧线设置。
  8. 根据权利要求5所述的显示面板,其中,至少部分像素驱动电路岛呈环形排列设置于显示透光区的边缘,多个所述第二信号线的所述第二迂回段环绕至少部分所述像素驱动电路岛的外围设置且与至少部分所述像素驱动电路岛中的所述像素驱动电路岛均电性连接,多个所述第一信号线的所述第一迂回段依次电性连接至少部分所述像素驱动电路岛中的任意两个相邻的所述像素驱动电路岛。
  9. 根据权利要求8所述的显示面板,其中,所述至少部分所述像素驱动电路岛还包括第三组像素驱动电路岛,所述第三组像素驱动电路岛中的像素驱动电路岛位于所述第一对称轴上且关于所述第二对称轴对称设置,
    一组所述第一迂回段包括第一簇第一迂回段和第二簇第一迂回段,另一组所述第一迂回段包括第三簇第一迂回段和第四簇第一迂回段,第一簇所述第一迂回段依次电性连接所述第一组像素驱动电路岛中的像素驱动电路岛,第二簇所述第一迂回段电性连接所述第一组像素驱动电路岛和所述第三组像素驱动电路岛中的像素驱动电路岛,第三簇所述第一迂回段依次电性连接所述第二组像素驱动电路岛中的像素驱动电路岛,第四簇所述第一迂回段电性连接所述第二组像素驱动电路岛和所述第三组像素驱动电路岛中的像素驱动电路岛;
    每组所述第二迂回段包括至少三簇长度不同的所述第二迂回段,一簇所述第二迂回段电性连接所述第三组像素驱动电路岛中的所述像素驱动电路岛,剩余每簇所述第二迂回段的两端分别电性连接所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中互相镜像设置的两个所述像素驱动电路岛。
  10. 根据权利要求4所述的显示面板,其中,每组所述第二迂回段的两端从所述第二对称轴的一侧延伸至所述第一对称轴相对的两侧,且每组所述第二迂回段的每一端在所述第一对称轴的一侧分为至少两簇不同长度的所述第二迂回段,分别位于所述第一对称轴相对两侧的至少两簇不同长度的所述第二迂回段分别延伸至所述第一组像素驱动电路岛和所述第二组像素驱动电路岛中的所述像素驱动电路岛对应所在位置。
  11. 根据权利要求10所述的显示面板,其中,所述显示面板还包括多个连接线,所述连接线与所述第二迂回段位于不同层,每簇所述第二迂回段通过所述连接线与所述第一组像素驱动电路岛和所述第二组像素驱动岛中的一个所述像素驱动电路岛电性连接。
  12. 根据权利要求4所述的显示面板,其中,所述显示面板还包括主显示区、多个第一扇形区和多个第二扇形区,所述主显示区位于所述功能附加区的外围,多个第一扇形区和多个第二扇形区均设置于主显示区且位于功能附加区的外围,
    每个所述第一信号线还包括位于所述主显示区的第一直线段和位于所述第一扇形区的第一过渡段,每个所述第二信号线还包括位于所述主显示区的第二直线段和位于所述第二扇形区的第二过渡段,
    所述第一直线段从所述主显示区延伸至所述第一扇形区以与所述第一过渡段电性连接,所述第二直线段从所述主显示区延伸至所述第二扇形区以与所述第二过渡段电性连接,所述第一过渡段与所述第一迂回段一对一电性连接,所述第二迂回段与所述第二过渡段一对一电性连接。
  13. 根据权利要求12所述的显示面板,其中,所述主显示区设置有多个第二显示像素,所述显示面板还包括第四组像素驱动电路岛,所述第四组像素驱动电路岛设置于所述主显示区且靠近所述功能附加区,所述第四组像素驱动电路岛中的每个像素驱动电路岛包括多个第一像素驱动电路,所述第四组像素驱动电路岛中的至少部分所述第一像素驱动电路用于驱动多个所述第一扇形区和多个所述第二扇形区中的所述第二显示像素发光。
  14. 根据权利要求12所述的显示面板,其中,所述主显示区设置有多个第二显示像素,所述主显示区还设置有多个第二像素驱动电路以驱动所述主显示区的多个所述第二显示像素发光,每个所述第一像素驱动电路占所述显示面板的面积小于每个所述第二像素驱动电路占所述显示面板的面积。
  15. 根据权利要求14所述的显示面板,其中,每个所述第一像素驱动电路的器件面积之和小于每个所述第二像素驱动电路的器件面积之和,和/或,
    每个所述第一像素驱动电路的器件数目之和小于每个所述第二像素驱动电路的器件数目之和,和/或,
    每个所述第一像素驱动电路的平均布线面积小于每个所述第二像素驱动电路的平均布线面积,
    其中,所述器件把包括开关单元以及电容器中的至少一种,所述布线包括多个信号走线。
  16. 根据权利要求1所述的显示面板,其中,所述第一信号线为栅极线以及复位线中的至少一种,所述第二信号线为数据线。
  17. 根据权利要求1所述的显示面板,其中,每个所述像素驱动电路岛中相邻两个所述第一像素驱动电路之间的间距小于任意两个相邻的所述第一显示像素之间的间距,相邻两个所述像素驱动电路岛之间的间距大于任意两个相邻的所述第一显示像素之间的间距。
  18. 根据权利要求1所述的显示面板,其中,至少部分所述像素驱动电路岛中的至少部分所述第一像素驱动电路与多个所述第一显示像素通过透明导线电性连接。
  19. 一种电子设备,其中,所述电子设备包括所述显示面板以及感光单元,所述显示面板具有一功能附加区,所述功能附加区中具有至少一显示透光区,所述显示透光区设置有多个第一显示像素,所述显示透光区的外围设置有多个像素驱动电路岛、多个第一信号线以及多个第二信号线,每个所述像素驱动电路岛包括多个第一像素驱动电路,多个所述第一信号线和多个所述第二信号线均与多个所述像素驱动电路岛中的多个第一像素驱动电路电性连接,至少部分所述像素驱动电路岛的至少部分所述第一像素驱动电路用于驱动所述显示透光区中的多个所述第一显示像素发光,
    所述感光单元设置于显示面板的一侧且对应所述功能附加区设置。
  20. 根据权利要求19所述的电子设备,其中,每个所述显示透光区的面积的取值范围为0.32mm 2-120mm 2
PCT/CN2019/116131 2019-08-09 2019-11-07 显示面板及电子设备 Ceased WO2021027110A1 (zh)

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