WO2021082949A1 - 显示装置及电子设备 - Google Patents

显示装置及电子设备 Download PDF

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Publication number
WO2021082949A1
WO2021082949A1 PCT/CN2020/121487 CN2020121487W WO2021082949A1 WO 2021082949 A1 WO2021082949 A1 WO 2021082949A1 CN 2020121487 W CN2020121487 W CN 2020121487W WO 2021082949 A1 WO2021082949 A1 WO 2021082949A1
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WIPO (PCT)
Prior art keywords
display area
pixels
layer
driving
metal anode
Prior art date
Application number
PCT/CN2020/121487
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English (en)
French (fr)
Inventor
袁石林
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP20882599.2A priority Critical patent/EP3993079A4/en
Publication of WO2021082949A1 publication Critical patent/WO2021082949A1/zh
Priority to US17/585,107 priority patent/US20220149117A1/en

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/81—Anodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3026—Top emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light

Definitions

  • This application relates to the field of electronic technology, in particular to a display device and electronic equipment.
  • the electronic device can use its display device to display pictures.
  • the size of the display screen is getting larger and larger, but it is difficult to hold the display screen of an electronic device when it exceeds a certain size, so it is more and more important to increase the screen-to-body ratio of the display screen.
  • the embodiments of the present application provide a display device and electronic equipment, which can improve the light transmittance of the display device.
  • an embodiment of the present application provides a display device including a first display area and a second display area that are adjacent to each other, and the light transmittance of the first display area is greater than the light transmittance of the second display area, so
  • the first display area includes a metal anode layer and a driving circuit layer, the driving circuit layer is electrically connected to the metal anode layer, the metal anode layer includes a plurality of metal anodes, and the driving circuit layer includes a plurality of first driving circuits.
  • the orthographic projection of at least one of the first driving units on the metal anode layer is at least partially located in one of the metal anodes.
  • an embodiment of the present application further provides an electronic device, including a display device and a camera, the display device includes a first display area and a second display area that are adjacent to each other, and the light transmittance of the first display area is greater than that of the first display area.
  • the light transmittance of the second display area, the first display area includes a metal anode layer and a driving circuit layer, the driving circuit layer is electrically connected to the metal anode layer, and the metal anode layer includes a plurality of metal anodes,
  • the driving circuit layer includes a plurality of first driving units, and the orthographic projection of at least one of the first driving units on the metal anode layer is at least partially located in one of the metal anodes;
  • the camera includes a lens, and the lens faces The light-transmitting display area is provided, and the camera is used for acquiring external light signals passing through the first display area for imaging.
  • FIG. 1 is a schematic diagram of the structure of an electronic device provided by an embodiment of the application.
  • FIG. 2 is a schematic diagram of the first structure of a display device in an electronic device provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of the first laminated structure of the first display area in the display device provided by an embodiment of the application.
  • Fig. 4 is an enlarged schematic diagram of part Y in Fig. 2.
  • FIG. 5 is a schematic diagram of a second layered structure of the first display area in the display device provided by an embodiment of the application.
  • FIG. 6 is a schematic diagram of a third layered structure of the first display area in the display device provided by an embodiment of the application.
  • Fig. 7 is a first enlarged schematic diagram of part X in Fig. 2.
  • Fig. 8 is a second enlarged schematic diagram of part X in Fig. 2.
  • Fig. 9 is a third enlarged schematic diagram of part X in Fig. 2.
  • FIG. 10 is a schematic diagram of the structure of a first pixel and a first driving unit in a display device provided by an embodiment of the application.
  • FIG. 11 is a schematic diagram of the structure of a second pixel and a second driving unit in a display device provided by an embodiment of the application.
  • FIG. 12 is a schematic diagram of a second structure of a display device in an electronic device provided by an embodiment of the application.
  • FIG. 13 is a schematic diagram of a fourth layered structure of the first display area in the display device provided by an embodiment of the application.
  • FIG. 14 is a schematic diagram of a first structure of a display device and a camera provided by an embodiment of the application.
  • FIG. 15 is a schematic diagram of a second structure of a display device and a camera provided by an embodiment of the application.
  • the embodiments of the present application provide an electronic device and a display device thereof.
  • the electronic device may include a display device and a camera.
  • the lens of the camera is set relative to the display device, that is, the camera acquires external light signals passing through the display device for imaging.
  • the embodiment of the present application may set the display device in zones, for example, setting the light transmittance of the part of the display device corresponding to the camera to be greater than the light transmittance of other positions of the display device, which can improve the imaging effect of the camera.
  • the embodiments of the present application provide a display device and electronic equipment.
  • the display device is used in electronic equipment.
  • the electronic equipment can be mobile terminal equipment such as mobile phones and tablet computers. It can also be game equipment, augmented reality (AR) equipment, virtual reality (VR) equipment, vehicle-mounted computers, and notebooks.
  • FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the application.
  • FIG. 1 shows an example in which the electronic device is a mobile phone, where the display device 20 includes a second display area 220 and a first display area 240.
  • the light transmittance of the first display area 240 is greater than that of the second display area 220.
  • the electronic device 10 is provided with a camera 60, the lens of the camera 60 is set toward the first display area 240, and the camera 60 is used to obtain an external light signal passing through the first display area 240 for imaging.
  • the camera 60 is disposed under the first display area 240 of the display device 20, and the camera 60 is used to obtain an external light signal passing through the first display area 240 of the display device 20, and to image according to the obtained external light signal.
  • the display area of the display device 20 is complete, and the screen-to-body ratio of the display device 20 is increased.
  • the camera 60 can be used as a front camera of the electronic device 10, and the camera 60 can be used to obtain images such as a user's selfie through the first display area 240 of the display device 20.
  • FIG. 2 is a schematic diagram of a first structure of a display device in an electronic device provided by an embodiment of the application.
  • the display device 20 in the embodiment of the present application may include a second display area 220 and a first display area 240 that are adjacent to each other. Both the second display area 220 and the first display area 240 can be used to display text or images, and the second display area 220 and the first display area 240 can display the same image together, for example, the second display area 220 displays a part of a preset image , The first display area 240 displays the remaining part of the preset image.
  • the second display area 220 and the first display area 240 may also display different images.
  • the second display area 220 displays a preset image
  • the first display area 240 displays a task bar image.
  • Both the second display area 220 and the first display area 240 can display content, the display area is complete, the display device 20 has a high screen-to-body ratio, the second display area 220 can be arranged around the first display area 240, and the periphery of the first display area 240 can be Both are adjacent to the second display area 220, that is, the first display area 240 is located in the middle of the second display area 220.
  • the second display area 220 may also partially surround the first display area 240, and a part of the edge of the first display area 240 is adjacent to the second display area 220.
  • the first display area 240 is located at a corner of the display device 20 or is located in the display area. The middle of the top of the device 20.
  • FIG. 3 is a schematic diagram of the first laminated structure of the first display area in the display device provided by an embodiment of the application.
  • the first display area of the display device includes a driving circuit layer 292, a metal anode layer 293, a light-emitting layer 294, and a common electrode layer 295 stacked in sequence.
  • the driving circuit layer 292 includes a plurality of first driving units 248, and the plurality of first driving units 248 are used to drive the light-emitting layer 294.
  • the first driving unit 248 includes an opaque portion such as a thin film transistor TFT.
  • the metal anode layer 293 may be entirely or partially disposed on the driving circuit layer 292, and the metal anode layer 293 is connected to the driving circuit layer 292 and used to control each first driving unit 248 of the driving circuit layer 292.
  • the metal anode layer 293 may be disposed adjacent to the light emitting layer 294.
  • the metal anode layer 293 includes a plurality of metal anodes 2938.
  • the metal anode 2938 of the metal anode layer 293 and the first pixel 246 of the light emitting layer 294 are directly adjacent to and electrically connected to each other.
  • the metal anode 2938 Use opaque materials, such as Mg, Ag, Al.
  • the light-emitting layer 294 is disposed on the metal anode layer 293.
  • the light-emitting layer 294 includes a pixel defining layer 2942.
  • the pixel defining layer 2942 has a plurality of pixel holes. Each pixel hole is provided with a first pixel 246, and the first pixel 246 includes an organic light-emitting material. .
  • the common electrode layer 295 is disposed on the light-emitting layer 294, and the metal anode layer 293 and the common electrode layer 295 are disposed on both sides of the first pixel 246, and jointly drive the plurality of first pixels with the plurality of first driving units 248 of the driving circuit layer 292 246, wherein each first driving unit 248 can drive at least one first pixel 246, for example, each first driving unit 248 can drive one first pixel 246, or each first driving unit 248 can drive two The first pixels 246 connected in parallel.
  • the metal anode 2938 of the metal anode layer is used
  • the opaque material, the first driving unit 248 and the metal anode 2938 in the first display area will affect the light transmittance of the first display area.
  • FIG. 4 is an enlarged schematic diagram of part Y in FIG. 2.
  • the orthographic projection of the at least one first driving unit 248 on the metal anode layer is at least partially located in a metal anode 2938.
  • At least one of the metal anodes 2938 partially or completely covers one of the first driving units 248.
  • the first driving unit 248 can be reduced in the first driving unit 248.
  • the opaque area of the display area 240 may increase the light transmittance of the first display area 240.
  • the metal anode 2938 completely covers the first driving unit 248, the diffraction phenomenon generated at the edge of the first driving unit 248 during shooting can be reduced.
  • the camera acquires the external light signal that passes through the first display area during the imaging process
  • the first drive unit 248 of the drive circuit layer 292 of the first display area includes a light-proof part such as a thin film transistor
  • the external light signal irradiates After the first driving unit 248, reflected and refracted stray light will be generated, which further affects the imaging effect of the camera.
  • the orthographic projection of each of the first driving units 248 on the metal anode layer is located in a metal anode 2938.
  • Each of the metal anodes 2938 covers one of the first driving units 248.
  • the metal anodes 2938 can be used to shield the external light signal irradiated to the first driving unit 248, and reduce the noise caused by the reflection and refraction of the first driving unit 248. Light interference problem. When the camera acquires the external light signal passing through the first display area for imaging, the metal anode 2938 can reduce the interference of stray light and improve the imaging quality of the camera.
  • a plurality of metal anodes 2938 are arranged at intervals, and the orthographic projection of the first pixel 246 on the metal anode layer covers the metal anode 2938.
  • the metal By controlling the area of the metal anode 2938, the metal can be reduced.
  • the area occupied by the anode 2938 in the first display area can further increase the light transmittance of the first display area.
  • FIG. 5 is a schematic diagram of the second type of laminated structure of the first display area in the display device provided by an embodiment of the application. It is understandable that in other embodiments, in order to reduce the stray light interference caused by the reflection and refraction of the first driving unit 248, the metal anode 2938 may not cover the first driving unit 248.
  • a light-shielding block 280 is arranged between the light-emitting layers 294, and the light-shielding block 280 is at least partially disposed opposite to the first driving unit 248.
  • the orthographic projection of the light-shielding block 280 on the driving circuit layer 292 covers the first driving unit 248, and the light-shielding block 280 may It is used to block the external light signal irradiated to the first driving unit 248, and reduce the interference problem of stray light caused by the reflection and refraction of the first driving unit 248.
  • the shading block 280 can reduce the interference of stray light and improve the imaging quality of the camera.
  • the light-shielding block 280 may be a black light-absorbing material. The shape, size, and arrangement of the light shielding block 280 can be set according to the first driving unit 248.
  • the orthographic projection of the light shielding block 280 on the driving circuit layer 292 may cover the first driving unit 248. That is, the size of the light shielding block 280 is greater than or equal to the first driving unit 248, and the light shielding block 280 is directly above the first driving unit 248, which can also be understood as when the external light signal enters the first display area in a direction perpendicular to the first display area. At this time, the light shielding block 280 just shields the external light signal from irradiating the first driving unit 248.
  • the size of the light shielding block 280 can be slightly larger than the size of the first driving unit 248, which can better shield the external light signal irradiated to the first driving unit 248, and reduce the stray light caused by the first driving unit 248 as much as possible.
  • the light-shielding blocks can correspond to the first driving unit 248 one-to-one, and are arranged oppositely.
  • FIG. 6 is a schematic diagram of the third layered structure of the first display area in the display device provided by the embodiment of the present application.
  • the first display area 240 of the display device includes a substrate 291, a driving circuit layer 292, a metal anode layer 293, a light emitting layer 294, a common electrode layer 295, a planarization layer 296, and a touch layer 297 which are sequentially stacked.
  • the substrate 291 can be used as a carrying platform of the display device, and the substrate 291 can be made of glass, plastic, resin, or other materials.
  • the material of the substrate 291 may be polyimide (PI).
  • the driving circuit layer 292 is disposed on the substrate 291.
  • the driving circuit layer 292 includes first driving units 248 for driving the first pixels 246 in the first display area 240, and each first driving unit 248 includes at least one thin film transistor TFT. Among them, the source and drain of the thin film transistor are located on the same layer, and the gate is located between the source and the light-emitting layer.
  • the metal anode layer 293 is disposed on the driving circuit layer 292.
  • the metal anode layer 293 includes a first anode layer 2932, a first insulating layer 2934, and a second anode layer 2936.
  • the first insulating layer 2934 is disposed on the first anode layer 2932 and the second anode layer 2932. Between the anode layers 2936, the first anode layer 2932 and the second anode layer 2936 are separated and insulated.
  • the first anode layer 2932 includes a first signal line (gate line) in a first direction
  • the second anode layer 2936 includes a second signal line (data line) in a second direction.
  • the first direction and the second direction may be arranged vertically,
  • the first signal line and the second signal line are respectively electrically connected to the first driving unit 248, and the driving chip of the display device 20 controls the first driving unit 248 through the first signal line and the second signal line.
  • the first signal line and the second signal line can use ITO with high light transmittance to ensure the transmittance of the light-transmitting display area, and at the same time can reduce the diffraction caused by the first signal line and the second signal line.
  • the first signal line and the gate of the second driving unit 268 may be located on the same layer, and the second signal line may be electrically connected to the drain of the first driving unit 248 through the conductive portion located in the first via 2935.
  • the metal anode layer 293 may be adjacent to the light emitting layer 294, the metal anode 2938 of the metal anode layer 293 and the first pixel 246 of the light emitting layer 294 are directly adjacent and electrically connected, and the metal anode layer 293 and the source electrode in the first driving unit 248 There is a second insulating layer 2939 therebetween, and the metal anode 2938 can be electrically connected to the source of the first driving unit 248 through the conductive portion located in the pixel via.
  • the metal anode 2938 in the metal anode layer may be located on the same layer as the second signal line in the second anode layer 2936, that is, the metal anode layer and the second anode layer 2936 are in the same layer.
  • the first insulating layer 2934 and the second insulating layer 2939 can be the same layer; the metal anode 2938 in the metal anode layer can also be located in a different layer from the second anode layer 2936, and the metal anode layer and the second anode layer 2936 pass between The second insulating layer 2939 separates and insulates.
  • the light-emitting layer 294 is disposed on the metal anode layer 293.
  • the light-emitting layer 294 includes a pixel defining layer 2942.
  • the pixel defining layer 2942 has a plurality of pixel holes. Each pixel hole is provided with a first pixel 246, and the first pixel 246 includes an organic light-emitting material. .
  • the common electrode layer 295 is disposed on the light emitting layer 294, and the metal anode layer 293 and the common electrode layer 295 are disposed on both sides of the first pixel 246, and jointly drive the first pixel 246.
  • the common electrode layer 295 may use an ITO material with high light transmittance.
  • a planarization layer 296 may also be provided on the common electrode layer 295.
  • the first pixel 246 is disposed behind the pixel hole, but the first pixel 246 does not fill the pixel hole.
  • a concave may appear after the common electrode layer 295 is disposed on the first pixel 246, a concave may appear.
  • the groove and the planarization layer 296 can fill the groove and cover the entire light-emitting layer 294 to protect the light-emitting layer 294 and the like.
  • a touch layer 297 may be further provided on the planarization layer 296, and the touch layer 297 may be used to detect a touch operation of the user.
  • a polarizer (not shown in the figure) can also be provided on the touch layer 297, and the polarizer can be used to prevent internal light from being transmitted out and prevent the user from seeing the internal driving unit and other components.
  • the touch layer 297 and the polarizer may be bonded together and then disposed on the planarization layer 296.
  • part of the structure can be added or reduced as required, and the embodiments of the present application are not limited herein.
  • at least one of the touch layer 297 and the polarizer can be reduced.
  • a protective layer can be added between the planarization layer 296 and the touch layer 297, and the protective layer can be made of the same material as the substrate 291.
  • each layer structure in the first display area 240 except for the first driving unit 248 of the driving circuit layer 292 and the metal anode 2938 in the metal anode layer, light-transmitting materials are used to improve the light transmittance of the first display area 240.
  • the substrate 291, the pixel definition layer 2942, the common electrode layer 295, the planarization layer 296, and the touch layer 297 of the first display area 240 can be made of light-transmitting materials
  • the signal lines in the metal anode layer 293 can be made of ITO. Or made of light-transmitting materials such as nano silver.
  • the TFT of the driving circuit layer 292 cannot use light-transmitting materials, and the driving circuit layer 292 may also use light-transmitting materials except for TFTs. It can be understood that the solution of increasing the light transmittance of the material and changing the arrangement of the wiring to increase the first display area 240 is within the scope of the present application.
  • the second display area 220 may adopt a layered structure similar to that of the first display area 240.
  • At least one of the substrate, pixel definition layer, common electrode layer, planarization layer, touch layer, etc. of the second display area 220 can be made of the same light-transmitting material as the first display area 240.
  • the substrate can be Transparent materials such as glass or resin.
  • the signal lines in the layer can be made of metal or alloy materials such as molybdenum, molybdenum, aluminum, molybdenum, and Ag, and the metal anode of the second display area 220 can be made of metal materials, such as Mg, Ag, and Al.
  • the common electrode layer of the second display area 220 may be made of materials such as Mg and Ag.
  • the common electrode layer of the second display area 220 and the common electrode layer 295 of the first display area 240 are connected at the edges, forming a complete common electrode layer 295 together.
  • the light-emitting layer of the second display area 220 includes a plurality of second pixels, and the material of the second pixels may be the same as that of the first pixels, and the light transmittance is also the same.
  • the material of the first pixel may also be different from that of the second pixel, so that the light transmittance of the first pixel is greater than the light transmittance of the second pixel.
  • the size of the first pixel 246 of the first display area 240 can be set to be larger than the size of the second pixel.
  • FIG. 7, which is the first type of part X in FIG. 2 Enlarge the schematic diagram.
  • the size of the first pixel 246 of the first display area 240 is larger than the size of the second pixel 226, and the spacing between the first pixels 246 is positively correlated with the size of the first pixel 246, that is, the larger the size of the first pixel 246, the larger the size of the first pixel 246.
  • the distance between one pixel 246 is also larger.
  • the distribution density of the first pixel 246 in the first display area 240 is smaller than the distribution density of the second pixel 226 in the second display area 220.
  • the pixel definition between the first pixels 246 The light transmittance of the layer is greater than the light transmittance of the first pixel 246. Therefore, the larger the size of the first pixel 246, the higher the light transmittance of the first display area 240.
  • each of the first driving units 248 is covered by the orthographic projection of at least one of the first pixels 246 on the driving circuit layer 292, for example, by mapping each first driving unit 248 to the first pixel 246 Or, the two first driving units 248 cover the first pixel 246, and the first pixel 246 corresponds to any one of the first pixels 246; because the light transmittance of the pixel definition layer between the first pixels 246 is greater than that of the first pixel
  • the light transmittance of 246, arranging the first driving unit 248 under the first pixel 246, can further increase the light transmittance of the first display area 240.
  • the distribution density of the first pixels 246 may be set to be smaller than the distribution density of the second pixels.
  • the size of the first pixel 246 of the first display area 240 is the same as the size of the second pixel 226, and the separation distance between the first pixels 246 is increased so that the distribution density of the first pixels 246 is smaller than the distribution density of the second pixels 226.
  • the light transmittance of the pixel definition layer between the first pixels 246 is greater than the light transmittance of the first pixels 246.
  • the second pixel of the second display area 220 may reach more than 400ppi
  • the size of the first pixel 246 of the first display area 240 may be four times that of the second pixel
  • the first pixel of the first display area 240 may be 200ppi.
  • the first driving unit 248 disposed in the first display area 240 may be a simple driving circuit.
  • the second display area 220 includes a plurality of second driving units, and one second driving unit drives one second pixel 226.
  • the first driving unit 248 of the first display area 240 may be a simpler driving circuit than the second driving unit of the second display area 220.
  • the number of thin film transistors included in the first driving unit 248 is less than the number of thin film transistors of the second driving unit 220. Because thin film transistors are opaque, the number of opaque thin film transistors in the first driving unit 248 is small, and the area occupied by the thin film transistors is smaller.
  • the opaque area of the driving circuit layer is also less, and the driving circuit layer is transparent.
  • the light area also has a relatively high proportion, which can increase the light transmittance of the driving circuit layer and the first display area 240.
  • the second driving unit is a 7T1C driving circuit
  • the first driving unit 248 may be a driving circuit such as 5T1C, 4T1C, or 2T1C.
  • FIG. 9 is a third enlarged schematic diagram of part X in FIG. 2.
  • FIG. 10 is a schematic structural diagram of the first pixel and the first driving unit in the display device provided by an embodiment of the application.
  • FIG. 11 is The structure diagram of the second pixel and the second driving unit in the display device provided by the embodiment of the present application.
  • the plurality of first pixels 246 of the first display area 240 may be divided into a plurality of pixel sets 242, that is, the first display area 240 includes a plurality of pixel sets 242, and each pixel set 242 includes at least two first pixels 246 connected in parallel.
  • the physical structure of the first pixel 246 and the second pixel 226 are the same, and all the first pixels 246 in the pixel set 242 share a first driving unit 248.
  • the light emitting layers of the first display area 240 and the second display area 220 may be formed in the same process, and there is no difference between the light emitting layers of the first display area 240 and the second display area 220.
  • a second driving unit 228 drives a second pixel 226.
  • one first driving unit 248 drives a plurality of first pixels 246 connected in parallel. For example, at least two first pixels 246 displaying the same color in the first display area 240 are arranged in parallel and share One of the first driving units 248 can reduce the number of the first driving units 248 and the distribution density of the first driving units 248. The number of the first driving units 248 per unit area is smaller than that of the second driving units 228 per unit area. Compared with the second display area 220, the light transmittance of the first display area 240 can be increased.
  • the first pixel 246 and the second pixel 226 have the same physical structure, which can be understood as the first image 246 and the second pixel 226 have the same size, the same distribution density, and the same arrangement.
  • the arrangement can be one of standard RGB arrangement, Pentile arrangement or Delta arrangement.
  • the parallel connection of the first pixels 246 can be achieved by connecting the first pixels 246 in the light-emitting layer in parallel, or by connecting the metal anodes 2938 in the anode layer in parallel.
  • FIG. 12 is a schematic diagram of a second structure of a display device in an electronic device provided by an embodiment of this application.
  • the display device 20 further includes a polarizer 260.
  • the polarizer 260 includes a first polarizer 261 and a second polarizer 262.
  • the first polarizer 261 is disposed corresponding to the first display area 240, and the second polarizer 262 corresponds to The second display area 220 is provided, and the light transmittance of the first polarizing portion 261 is greater than the light transmittance of the second polarizing portion 262.
  • the first polarizing part 261 may be a through hole or a light-transmitting material.
  • a through hole is first provided corresponding to the first display area 240, and then a transparent material is filled in the through hole to form the first polarizing portion.
  • a through hole is first provided corresponding to the first display area 240, and then the through hole is filled with a material with high light transmittance and low polarization to form the first polarizing portion 261, so that the first polarizing portion 261 can achieve the function of high light transmittance. It can also realize the function of preventing light from reflecting out and allowing users to see the internal structure.
  • the laminated structure of the first display area 240 may also be other structures, which is not limited in the embodiment of the present application. Exemplarily, in some embodiments, please refer to FIG. 13, which is a schematic diagram of the fourth layered structure of the first display area in the display device provided by the embodiment of the application.
  • the main difference between the laminated structure of the first display area 240 in this embodiment and the above-mentioned embodiment lies in the driving circuit layer and the anode layer.
  • the source and drain of the thin film transistor of the first driving unit 248 of the first display area 240 are located in the same layer, and the source is located between the gate and the light-emitting layer.
  • the metal anode layer 293 is partially disposed on the driving circuit layer 292.
  • the metal anode layer 293 includes a first anode layer 2932, a first insulating layer 2934, and a second anode layer 2936.
  • the first insulating layer 2934 is disposed on the first anode layer 2932 and the second anode layer.
  • the two anode layers 2936 are used to separate and insulate the first anode layer 2932 and the second anode layer 2936.
  • the first anode layer 2932 includes the first signal line (gate line) in the first direction and the second anode layer 2936 Including the second signal line (data line) in the second direction, the first direction and the second direction can be arranged vertically, the first signal line and the second signal line are electrically connected to the first driving unit 248, and the driving chip of the display device
  • the first driving unit 248 is controlled by the first signal line and the second signal line.
  • the first signal line and the gate in the first driving unit 248 may be located on the same layer, and the second signal line and the drain in the first driving unit 248 may be located on the same layer.
  • the metal anode layer 293 may be adjacent to the light emitting layer 294, the metal anode 2938 of the metal anode layer 293 and the first pixel 246 of the light emitting layer 294 are directly adjacent and electrically connected, and the metal anode 2938 is between the source electrode in the first driving unit 248 With the second insulating layer 2939, the metal anode 2938 can be electrically connected to the source of the first driving unit 248 through the pixel via 2937.
  • the lens of the camera in the electronic equipment faces the substrate of the display device, and the camera is used to obtain external light signals passing through the first display area for imaging.
  • the lens of the camera can be close to or adjacent to the substrate of the display device.
  • the substrate of the display device is mainly used to carry other layer structures of the display device, and does not need special functions. Therefore, in order to further reduce the space occupied by the camera, the camera may be partially arranged in the substrate. Please refer to FIG. 14 for details.
  • FIG. 14 is a schematic diagram of the first structure of a display device and a camera provided by an embodiment of the application.
  • a first mounting hole 2912 is provided at a position of the substrate relative to the camera 60, and the camera 60 is at least partially disposed in the first mounting hole 2912.
  • the first mounting hole 2912 may be a blind hole, that is, the thickness of the part of the substrate 291 relative to the camera 60 is smaller than the thickness of other parts.
  • the substrate 291 is still a complete substrate 291, which does not affect its function of carrying other layer structures of the display device 20, and can be vacant. Part of the space accommodates the camera 60.
  • the installation manner of the first mounting hole 2912 and the camera 60 can be set according to the size of the first mounting hole 2912 and the size of the camera 60.
  • the lens 62 of the camera 60 is partially disposed in the first mounting hole 2912. If the camera 60 is sufficiently small, the entire camera 60 is set in the first mounting hole 2912.
  • FIG. 15 is a schematic diagram of a second structure of a display device and a camera provided by an embodiment of the application.
  • the first mounting hole 2912 is a through hole.
  • the driving unit layer of the first display area 240 has a second mounting hole 2922 opposite to the camera 60.
  • the first mounting hole 2912 and the second mounting hole 2922 are connected, and the camera 60 may be at least partially located in the second mounting hole 2922.
  • the lens 62 of the camera 60 is located in the first mounting hole 2912 and the second mounting hole 2922.
  • the second mounting hole 2922 may be a through hole or a blind hole.
  • the first mounting hole 2912 and the second mounting hole 2922 can be made after the partial laminated structure of the display device 20 is formed.
  • the first mounting hole 2912 and the second mounting hole 2922 are made by laser or the like corresponding to the position of the lens 62 of the camera 60 .
  • the camera 60 relative to the first display area 240 can be used as the front camera 60 of the electronic device 10.
  • the front camera is generally a camera whose lens cannot be moved.
  • the substrate 291 and the drive circuit layer 292 of the display device 20 can be provided with a With a mounting hole 2912 and a second mounting hole 2922, the camera 60 relative to the first display area 240 can be a camera 60 with a movable lens 62, and the lens 62 of the camera 60 can be movable to implement functions such as autofocus.
  • the size and shape of the first pixel in the first display area can be set as required.
  • the first pixel may be rectangular or similar to circular.
  • the circular-like first pixel may be a circle, an ellipse, a rounded rectangle, or the like. Since the edge of the first pixel that is similar to the circle is an arc-shaped transition, the diffraction problem in the first display area can be improved.
  • the display device may have a regular shape, such as a rectangle, a rounded rectangle, or a circle.
  • the display device may also have an irregular shape, which is not limited in the embodiment of the present application.
  • One camera or multiple cameras can be set under the first display area. Multiple cameras can be cameras that cooperate with each other, such as two identical cameras, a normal camera, and a virtual camera or a black-and-white camera. Below the first display area, in addition to the camera, you can also set other functional devices, such as proximity sensors, Light sensor, distance measuring sensor, fingerprint recognition sensor, etc.
  • the electronic device 10 further includes a housing 40 and a camera 60.
  • the housing 40 may include a back cover (not shown in the figure) and a frame 420, and the frame 420 is arranged around the periphery of the back cover.
  • the display device 20 may be disposed in the frame 420, and the display device 20 and the back cover may be used as two opposite sides of the electronic device 10.
  • the camera 60 is provided between the back cover of the housing 40 and the display device 20.
  • the display device 20 may be an Organic Light-Emitting Diode (OLED) display device 20.
  • the display device 20 may be a full screen, that is, the display surface of the display device 20 is basically a display area.
  • the display device 20 may also be provided with a cover plate.
  • the cover plate covers the display device 20 to protect the display device 20 and prevent the display device 20 from being scratched or damaged by water.
  • the cover plate may be a transparent glass cover plate, so that the user can observe the information displayed by the display device 20 through the cover plate.
  • the cover plate may be a cover plate made of sapphire.
  • the electronic device 10 may also include a circuit board, a battery, and a midplane.
  • the frame 420 is arranged around the middle board, wherein the frame 420 and the middle board may form a middle frame of the electronic device 10.
  • the middle board and the frame 420 form a accommodating cavity on both sides of the middle board.
  • One accommodating cavity is used for accommodating the display device 20, and the other accommodating cavity is used for accommodating circuit boards, batteries, and other electronic components or functions of the electronic device 10 Components.
  • the middle plate may have a thin plate or sheet-like structure, or a hollow frame structure.
  • the middle frame is used to provide support for the electronic components or functional components in the electronic device 10 so as to install the electronic components and functional components in the electronic device 10 together.
  • the camera 60, receiver, battery and other functional components of the electronic device 10 can all be mounted on the middle frame or circuit board for fixing. It is understandable that the material of the middle frame may include metal or plastic.
  • the circuit board can be installed on the middle frame.
  • the circuit board may be the main board of the electronic device 10.
  • the circuit board may be integrated with one or more of functional components such as a microphone, a speaker, a receiver, a headphone interface, an acceleration sensor, a gyroscope, and a processor.
  • the display device 20 may be electrically connected to the circuit board to control the display of the display device 20 through a processor on the circuit board.
  • the display device 20 and the camera 60 may both be electrically connected to the processor; when the processor receives a shooting instruction, the processor controls the light-transmitting area to turn off the display, and controls the camera 60 to collect images through the first display area 240; When the shooting instruction is not received and the image display instruction is received, the processor controls the second display area 220 and the first display area 240 to display images together.
  • the battery can be installed on the middle frame. At the same time, the battery is electrically connected to the circuit board, so that the battery can supply power to the electronic device 10.
  • a power management circuit may be provided on the circuit board. The power management circuit is used to distribute the voltage provided by the battery to various electronic components in the electronic device 10.

Abstract

一种显示装置及电子设备，显示装置包括邻接的第一显示区和第二显示区，第一显示区的透光率大于第二显示区的透光率，第一显示区包括相互电连接的金属阳极层和驱动电路层，金属阳极层包括多个金属阳极，驱动电路层包括多个第一驱动单元，至少一个第一驱动单元在金属阳极层的正投影至少部分位于一金属阳极内。

Description

显示装置及电子设备
本申请要求于2019年10月31日提交中国专利局、申请号为201911049564.3、发明名称为“显示装置及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子技术领域，特别涉及一种显示装置及电子设备。
背景技术
随着通信技术的发展，诸如智能手机等电子设备越来越普及。在电子设备的使用过程中，电子设备可以采用其显示装置显示画面。
为了更好的显示效果和用户体验，显示屏的尺寸越来越大，但是电子设备的显示屏超过一定尺寸后很难握持，因此提高显示屏的屏占比越来越重要。
发明内容
本申请实施例提供一种显示装置及电子设备，可以提高显示装置的透光率。
第一方面，本申请实施例提供一种显示装置，包括邻接的第一显示区和第二显示区，所述第一显示区的透光率大于所述第二显示区的透光率，所述第一显示区包括金属阳极层和驱动电路层，所述驱动电路层与所述金属阳极层电连接，所述金属阳极层包括多个金属阳极，所述驱动电路层包括多个第一驱动单元，至少一个所述第一驱动单元在所述金属阳极层的正投影至少部分位于一所述金属阳极内。
第二方面，本申请实施例还提供一种电子设备，包括显示装置和摄像头，所述显示装置包括邻接的第一显示区和第二显示区，所述第一显示区的透光率大于所述第二显示区的透光率，所述第一显示区包括金属阳极层和驱动电路层，所述驱动电路层与所述金属阳极层电连接，所述金属阳极层包括多个金属阳极，所述驱动电路层包括多个第一驱动单元，至少一个所述第一驱动单元在所述金属阳极层的正投影至少部分位于一所述金属阳极内；所述摄像头包括镜头，所述镜头朝向所述透光显示区设置，所述摄像头用于获取透过所述第一显示区的外界光信号进行成像。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的电子设备的结构示意图。
图2为本申请实施例提供的电子设备中显示装置的第一种结构示意图。
图3为本申请实施例提供的显示装置中第一显示区的第一种层叠结构示意图。
图4为图2中Y部分的放大示意图。
图5为本申请实施例提供的显示装置中第一显示区的第二种层叠结构示意图。
图6为本申请实施例提供的显示装置中第一显示区的第三种层叠结构示意图。
图7为图2中X部分的第一种放大示意图。
图8为图2中X部分的第二种放大示意图。
图9为图2中X部分的第三种放大示意图。
图10为本申请实施例提供的显示装置中第一像素和第一驱动单元的结构示意图。
图11为本申请实施例提供的显示装置中第二像素与第二驱动单元的结构示意图。
图12为本申请实施例提供的电子设备中显示装置的第二种结构示意图。
图13为本申请实施例提供的显示装置中第一显示区的第四种层叠结构示意图。
图14为本申请实施例提供的显示装置和摄像头的第一种结构示意图。
图15为本申请实施例提供的显示装置和摄像头的第二种结构示意图。
具体实施方式
下面将结合本申请实施例中的附图1至15，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。
本申请实施例提供一种电子设备及其显示装置，电子设备可包括显示装置和摄像头，摄像头的镜头相对显示装置设置，即摄像头获取透过该显示装置的外界光信号进行成像。可以理解的是，常规显示装置的透光率较低，摄像头透过显示装置成像的效果不佳。为此，本申请实施例可以将显示装置分区设置，如将显示装置对应摄像头部分的透光率设置大于显示装置其他位置的透光率，可以改善摄像头成像效果。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。
本申请实施例提供一种显示装置及电子设备。显示装置应用于电子设备，电子设备可以是手机、平板电脑等移动终端设备，还可以是游戏设备、增强现实(Augmented Reality，AR)设备、虚拟现实(Virtual Reality，VR)设备、车载电脑、笔记本电脑、数据存储装置、音频播放装置、视频播放装置、可穿戴设备等具有显示装置的设备，其中可穿戴设备可以是智能手环、智能眼镜等。
请参阅图1，图1为本申请实施例提供的电子设备的结构示意图。图1示出了电子设备为手机的示例，其中显示装置20包括第二显示区220和第一显示区240，第一显示区240的透光率大于第二显示区220的透光率。电子设备10内设有摄像头60，摄像头60的镜头朝向第一显示区240设置，摄像头60用于获取透过第一显示区240的外界光信号进行成像。也可以理解为，摄像头60设置在显示装置20第一显示区240下方，摄像头60用于获取透过显示装置20的第一显示区240的外界光信号，并根据获取的外界光信号成像。显示装置20的显示区域完整，提高了显示装置20的屏占比。摄像头60可以作为电子设备10的前置摄像头，摄像头60可以用于透过显示装置20第一显示区240获取用户的自拍照等图像。
为了更加全面的理解本申请实施例的显示装置。下面对显示装置进行详细说明。
请参阅图2，图2为本申请实施例提供的电子设备中显示装置的第一种结构示意图。本申请实施例中的显示装置20可以包括邻接的第二显示区220和 第一显示区240。第二显示区220和第一显示区240都可以用于显示文字或图像，第二显示区220和第一显示区240可以共同显示同一图像，例如，第二显示区220显示预设图像的一部分，第一显示区240显示预设图像剩下的部分。第二显示区220和第一显示区240也可以显示不同的图像，例如，第二显示区220显示预设图像，第一显示区240显示任务栏图像。第二显示区220和第一显示区240都可以显示内容，显示区域完整，显示装置20的屏占比高，第二显示区220可以围绕第一显示区240设置，第一显示区240周缘可以都与第二显示区220邻接，即第一显示区240位于第二显示区220中间。第二显示区220也可以部分围绕透第一显示区240，第一显示区240的部分边缘与第二显示区220邻接，例如，第一显示区240位于显示装置20的边角位置或位于显示装置20的顶端中间。
请参阅图3，图3为本申请实施例提供的显示装置中第一显示区的第一种层叠结构示意图。显示装置的第一显示区包括依次层叠设置的驱动电路层292、金属阳极层293、发光层294、公共电极层295。驱动电路层292包括多个第一驱动单元248，多个第一驱动单元248用于驱动发光层294。第一驱动单元248包括不透光的部分如薄膜晶体管TFT。
金属阳极层293可以全部或部分设置在驱动电路层292上，金属阳极层293与驱动电路层292连接，并用于控制驱动电路层292的每一个第一驱动单元248。金属阳极层293可以相邻发光层294设置，金属阳极层293包括多个金属阳极2938，金属阳极层293的金属阳极2938和发光层294的第一像素246直接邻接并电性连接，金属阳极2938采用不透光材料，比如Mg、Ag、Al。
发光层294设置在金属阳极层293上，发光层294包括像素定义层2942，像素定义层2942具有多个像素孔，每个像素孔内设置有第一像素246，第一像素246包括有机发光材料。
公共电极层295设置在发光层294上，金属阳极层293和公共电极层295设置在第一像素246两侧，并与驱动电路层292的多个第一驱动单元248共同驱动多个第一像素246，其中，每一个第一驱动单元248可以驱动至少一个第一像素246，例如，每一个第一驱动单元248可以驱动一个第一像素246，或者，每一个第一驱动单元248可以驱动两个并联连接的第一像素246。
摄像头获取透过第一显示区的外界光信号成像过程中，因为第一显示区的驱动电路层292的第一驱动单元248包括不透光的部分如薄膜晶体管，金属阳极层的金属阳极2938采用不透光材料，第一显示区的第一驱动单元248和金属阳极2938会影响第一显示区的透光率，基于此，请参阅图4，图4为图2中Y部分的放大示意图，至少一个所述第一驱动单元248在所述金属阳极层的正投影至少部分位于一所述金属阳极2938内。也即，至少一所述金属阳极2938部分或全部覆盖一所述第一驱动单元248，通过将金属阳极2938和第一驱动单元248部分或全部重叠设置，可以减少第一驱动单元248在第一显示区240的不透光的面积，从而可以提高第一显示区240的透光率。而且，由于金属阳极2938全部覆盖第一驱动单元248时，可以减少拍摄时，第一驱动单元248边缘产生的衍射现象。
而且，由于摄像头获取透过第一显示区的外界光信号成像过程中，因为第一显示区的驱动电路层292的第一驱动单元248包括不透光的部分如薄膜晶体管，外界光信号照射到第一驱动单元248后会产生反射、折射的杂光，进而影响摄像头的成像效果。通过将每一个所述第一驱动单元248在所述金属阳极层的正投影位于一所述金属阳极2938内。每一所述金属阳极2938覆盖一所述第一驱动单元248，金属阳极2938可以用于遮挡照射至第一驱动单元248的外界光信号，减小因为第一驱动单元248反射、折射造成的杂光干扰问题。当摄像头获取透过第一显示区的外界光信号进行成像时，金属阳极2938可以减少杂光干扰，提高摄像头的成像质量。
请再次参阅图3，本申请中的多个金属阳极2938间隔设置，第一像素246在所述金属阳极层的正投影覆盖所述金属阳极2938，通过控制金属阳极2938的面积，从而可以减少金属阳极2938在第一显示区的占用面积，进而可以进一步提高第一显示区的透光率。
请参阅图5，图5为本申请实施例提供的显示装置中第一显示区的第二种层叠结构示意图。可以理解的，在其他实施例中，为了减小因为第一驱动单元248反射、折射造成的杂光干扰问题，金属阳极2938也可以不覆盖第一驱动单元248，通过在第一驱动单元292和发光层294之间设置遮光块280，遮光块280与第一驱动单元248至少部分相对设置，也可以理解为遮光块280在驱 动电路层292的正投影覆盖第一驱动单元248，遮光块280可以用于遮挡照射至第一驱动单元248的外界光信号，减小因为第一驱动单元248反射、折射造成的杂光干扰问题。当摄像头获取透过第一显示区的外界光信号进行成像时，遮光块280可以减少杂光干扰，提高摄像头的成像质量。其中，遮光块280可以为黑色吸光材料。遮光块280的形状、大小、排布可以根据第一驱动单元248进行设置。
示例性地，遮光块280在驱动电路层292的正投影可以覆盖第一驱动单元248。即，遮光块280的尺寸大于或等于第一驱动单元248，并且遮光块280在第一驱动单元248的正上方，也可以理解为当外界光信号以垂直第一显示区方向进入第一显示区时，遮光块280正好遮挡外界光信号照射到第一驱动单元248上。遮光块280的尺寸可以略大于第一驱动单元248的尺寸，可以更好的遮挡照射至第一驱动单元248的外界光信号，尽可能的减少第一驱动单元248造成的杂光。遮光块可以和第一驱动单元248一一对应，且相对设置。
为了更加全面的理解本申请实施例的显示装置，请参阅图6，图6为本申请实施例提供的显示装置中第一显示区的第三种层叠结构示意图。显示装置的第一显示区240包括依次层叠设置的基板291、驱动电路层292、金属阳极层293、发光层294、公共电极层295、平坦化层296和触控层297。
基板291可以作为显示装置的承载平台，基板291可以采用玻璃或塑料或树脂或其他材料制成。例如基板291的材料可以采用聚酰亚胺(polyimide，PI)。驱动电路层292设置于基板291上，驱动电路层292中包括驱动第一显示区240中第一像素246的第一驱动单元248，每个第一驱动单元248包括至少一个薄膜晶体管TFT。其中，薄膜晶体管的源极和漏极位于同一层，栅极位于源极和发光层之间。
金属阳极层293设置在驱动电路层292上，金属阳极层293包括第一阳极层2932、第一绝缘层2934和第二阳极层2936，第一绝缘层2934设置在第一阳极层2932和第二阳极层2936之间，用以将第一阳极层2932和第二阳极层2936分隔并绝缘。第一阳极层2932包括第一方向的第一信号线(栅极线)，第二阳极层2936包括第二方向的第二信号线(数据线)，第一方向和第二方向可以垂直设置，第一信号线和第二信号线分别与第一驱动单元248电性连接， 显示装置20的驱动芯片通过第一信号线和第二信号线控制第一驱动单元248。第一信号线和第二信号线可以采用高透光率的ITO，保证透光显示区的透过率，同时可以减少第一信号线和第二信号线造成的衍射。第一信号线可以与第二驱动单元268中的栅极位于同一层，第二信号线可以与通过位于第一过孔2935内的导电部与第一驱动单元248的漏极电性连接。
金属阳极层293可以相邻发光层294，金属阳极层293的金属阳极2938和发光层294的第一像素246直接邻接并电性连接，金属阳极层293和第一驱动单元248中的源极之间具有第二绝缘层2939，金属阳极2938可以通过位于像素过孔内的导电部与第一驱动单元248的源极电性连接。
需要说明的是，在一些实施例中，金属阳极层中的金属阳极2938可以和第二阳极层2936中的第二信号线位于同一层，即，金属阳极层和第二阳极层2936为同一层，第一绝缘层2934和第二绝缘层2939可以为同一层；金属阳极层中的金属阳极2938也可以和第二阳极层2936位于不同层，且金属阳极层和第二阳极层2936之间通过第二绝缘层2939隔开并绝缘。
发光层294设置在金属阳极层293上，发光层294包括像素定义层2942，像素定义层2942具有多个像素孔，每个像素孔内设置有第一像素246，第一像素246包括有机发光材料。
公共电极层295设置在发光层294上，金属阳极层293和公共电极层295设置在第一像素246两侧，并共同驱动第一像素246。公共电极层295可以采用高透光率的ITO材料。
公共电极层295上还可以设置平坦化层296，第一像素246设置在像素孔后，第一像素246并未填满像素孔，公共电极层295设置在第一像素246上后，会出现凹槽，平坦化层296可以将凹槽填平，并覆盖整层发光层294，用以保护发光层294等。
在平坦化层296上还可以设置触控层297，触控层297可以用于检测用户触控操作。
在触控层297上还可以设置偏光片(图中未示出)，偏光片可以用于防止内部光线透射出去，防止用户看到内部的驱动单元等元件。触控层297和偏光片可以贴合在一起，然后再设置在平坦化层296上。
需要说明的是，在一些实施例中，可以根据需要增加或减少部分结构，本申请实施例在此不做限定。例如，可以减少触控层297、偏光片中的至少一项。又例如，可以在平坦化层296和触控层297之间增加一层保护层，保护层可以采用与基板291一样的材料。
第一显示区240内各层结构中除了驱动电路层292的第一驱动单元248以及金属阳极层中的金属阳极2938都采用透光材料，以提高第一显示区240的透光率。例如，第一显示区240的基板291、像素定义层2942、公共电极层295、平坦化层296、触控层297都可以采用透光材料制成，金属阳极层293中的信号线可以采用ITO或纳米银等透光材料制。驱动电路层292的TFT无法采用透光材料，驱动电路层292中除了TFT其他部分也可以采用透光材料。可以理解的是，通过提高材料的透光率以及改变布线的排布以提高第一显示区240的方案均在本申请的范围内。
需要说明的是，第二显示区220可以采用和第一显示区240类似的层叠结构，具体可参阅上述实施例，在此不再赘述。第二显示区220的基板、像素定义层、公共电极层、平坦化层、触控层等中的至少一项可以和第一显示区240采用一样的透光材料，示例性地，基板可以采用玻璃或树脂等透光材料。第二显示区220的基板、像素定义层、公共电极层、平坦化层、触控层等中的至少一项可以和第一显示区240采用不同的材料，例如，第二显示区220的阳极层中的信号线可以采用钼、钼铝钼、Ag等金属或合金材料，第二显示区220的金属阳极可以采用金属材料，比如Mg、Ag、Al。第二显示区220的公共电极层可以采用Mg、Ag等材料。第二显示区220的公共电极层和第一显示区240的公共电极层295边缘处是相连的，共同构成一个完整的公共电极层295。
其中，第二显示区220的发光层包括多个第二像素，第二像素的材料可以和第一像素相同，透光率也相同。第一像素的材料也可以和第二像素不同，以实现第一像素的透光率大于第二像素的透光率。
为了提高第一显示区240的透光率，可以设置第一显示区240的第一像素246的尺寸大于第二像素的尺寸，请结合图7，图7为图2中X部分的第一种放大示意图。第一显示区240的第一像素246的尺寸大于第二像素226的尺寸，第一像素246之间的间距和第一像素246的尺寸正相关，即，第一像素246 的尺寸越大，第一像素246之间的间隔距离也越大，因此，第一显示区240的第一像素246的分布密度小于第二显示区220第二像素226的分布密度，第一像素246之间的像素定义层的透光率大于第一像素246的透光率，因此，第一像素246的尺寸越大，第一显示区240的透光率越高。
其中，通过将至少一个所述第一像素246在所述驱动电路层292上的正投影覆盖每一所述第一驱动单元248，例如，通过将每一个第一驱动单元248对应第一像素246设置，或者，两个第一驱动单元248覆盖第一像素246，第一像素246对应其中任一个第一像素246设置；由于第一像素246之间的像素定义层的透光率大于第一像素246的透光率，将第一驱动单元248设置于第一像素246的下方，可以进一步提高第一显示区240的透光率。
为了提高第一显示区240的透光率，还可以设置第一像素246的分布密度小于第二像素的分布密度。请结合图8，图8为图2中X部分的第二种放大示意图。第一显示区240的第一像素246的尺寸与第二像素226的尺寸相同，增大第一像素246之间的间隔距离，使第一像素246的分布密度小于第二像素226的分布密度，第一像素246之间的像素定义层的透光率大于第一像素246的透光率，因此，第一像素246的分布密度越小，第一像素246之间的间隔距离越大，第一显示区240的透光率越高。示例性的，第二显示区220的第二像素可以达到400ppi以上，第一显示区240的第一像素246的尺寸可以为第二像素的四倍，第一显示区240的第一像素可以为200ppi。
为了提高第一显示区240的透光率，设置在第一显示区240的第一驱动单元248可以为简略的驱动电路。具体的，第二显示区220包括多个第二驱动单元，一个第二驱动单元驱动一个第二像素226。第一显示区240的第一驱动单元248可以为比第二显示区220的第二驱动单元更简略的驱动电路。第一驱动单元248包括的薄膜晶体管的数量少于第二驱动单元220的薄膜晶体管的数量。因为，薄膜晶体管不透光，第一驱动单元248中不透光的薄膜晶体管的数量较少，其占据的面积也较少，驱动电路层不透光的区域也较少，驱动电路层可透光的区域的占比也较高，可以提高驱动电路层、以及第一显示区240的透光率。例如，第二驱动单元为7T1C驱动电路，第一驱动单元248可以为5T1C、4T1C或2T1C等驱动电路。
为了提高第一显示区240的透光率，还可以设置第一驱动单元248的分布密度小于第二驱动单元的分布密度。请结合图9至图11，图9为图2中X部分的第三种放大示意图，图10为本申请实施例提供的显示装置中第一像素和第一驱动单元的结构示意图，图11为本申请实施例提供的显示装置中第二像素与第二驱动单元的结构示意图。第一显示区240的多个第一像素246可以分成多个像素集合242，即第一显示区240包括多个像素集合242，每一个像素集合242包括至少两个相互并联连接的第一像素246，第一像素246和第二像素226的物理结构相同，像素集合242内所有第一像素246共用一个第一驱动单元248。第一显示区240和第二显示区220的发光层可以在同一工序中形成，第一显示区240和第二显示区220的发光层没有区别。第二显示区220中，一个第二驱动单元228驱动一个第二像素226。第一显示区240中，一个第一驱动单元248驱动并联连接的多个第一像素246，例如，所述第一显示区240中至少两个相同颜色显示的第一像素246并联设置，并共用一个所述第一驱动单元248，可以减少第一驱动单元248的数量，减小第一驱动单元248的分布密度，单位面积内的第一驱动单元248的数量小于单位面积内第二驱动单元228的数量，相对于第二显示区220可以提高第一显示区240的透光率。
第一像素246和第二像素226的物理结构相同，可以理解为第一像246和第二像素226的尺寸大小相同、分布密度相同、排列方式相同等。排列方式可以为标准RGB排列、Pentile排列或Delta排列中的一项。
第一像素246并联可以通过在发光层中的第一像素246并联连接实现，也可以通过阳极层中的金属阳极2938并联连接实现。
其中，请参考图12，图12为本申请实施例提供的电子设备中显示装置的第二种结构示意图。显示装置20还包括偏光片260，偏光片260包括第一偏光部261和第二偏光部262，所述第一偏光部261对应所述第一显示区240设置，所述第二偏光部262对应所述第二显示区220设置，所述第一偏光部261的透光率大于所述第二偏光部262的透光率。第一偏光部261可以为通孔或透光材料。例如，先对应第一显示区240设置一通孔，然后在通孔内填充透明材料形成第一偏光部。又例如，先对应第一显示区240设置一通孔，然后在通孔内填充高透光低偏光性材料形成第一偏光部261，使第一偏光部261既可以实 现高透光率的功能，又可以实现防止光线反射出去，让用户看到内部结构的功能。
第一显示区240的层叠结构还可以为其他结构，本申请实施例并不对此进行限定。示例性的，在一些实施例中，请参阅图13，图13为本申请实施例提供的显示装置中第一显示区的第四种层叠结构示意图。本实施例中第一显示区240的层叠结构与上述实施例的主要区别在于驱动电路层和阳极层。第一显示区240的第一驱动单元248的薄膜晶体管的源极和漏极位于同一层，源极位于栅极和发光层之间。
金属阳极层293部分设置在驱动电路层292上，金属阳极层293包括第一阳极层2932、第一绝缘层2934和第二阳极层2936，第一绝缘层2934设置在第一阳极层2932和第二阳极层2936之间，用以将第一阳极层2932和第二阳极层2936分隔并绝缘，第一阳极层2932包括第一方向的第一信号线(栅极线)，第二阳极层2936包括第二方向的第二信号线(数据线)，第一方向和第二方向可以垂直设置，第一信号线和第二信号线分别与第一驱动单元248电性连接，显示装置的驱动芯片通过第一信号线和第二信号线控制第一驱动单元248。第一信号线可以与第一驱动单元248中的栅极位于同一层，第二信号线可以与第一驱动单元248中的漏极位于同一层。金属阳极层293可以相邻发光层294，金属阳极层293的金属阳极2938和发光层294的第一像素246直接邻接并电性连接，金属阳极2938和第一驱动单元248中的源极之间具有第二绝缘层2939，金属阳极2938可以通过像素过孔2937与第一驱动单元248的源极电性连接。
电子设备中摄像头的镜头朝向显示装置的基板，摄像头并用于获取透过第一显示区的外界光信号进行成像。为了减小摄像头占用的空间，可以让摄像头的镜头接近或邻接显示装置的基板。显示装置的基板主要用于承载显示装置的其他层结构，本身不需要特别的功能。因此，为了进一步减小摄像头占用的空间，可以将摄像头部分设置在基板内。具体请参阅图14，图14为本申请实施例提供的显示装置和摄像头的第一种结构示意图。在基板相对摄像头60的位置设置一第一安装孔2912，摄像头60至少部分设置于该第一安装孔2912内。第一安装孔2912可以为盲孔，即基板291相对摄像头60的部分厚度小于其他 部分的厚度，基板291还是完整的基板291，不影响其承载显示装置20其他层结构的作用，又能空出部分空间容纳摄像头60。第一安装孔2912和摄像头60的安装方式可以根据第一安装孔2912的尺寸和摄像头60的尺寸进行设置。示例性地，若第一安装孔2912的空间不足以安装整个摄像头60，则将摄像头60的镜头62部分设置在第一安装孔2912内。若摄像头60足够小，则将整个摄像头60设置在第一安装孔2912内。
因为第一显示区的驱动电路层没有设置第一驱动单元，驱动电路层也没有特别的功能，可以将摄像头安装进驱动电路层。具体请参阅图15，图15为本申请实施例提供的显示装置和摄像头的第二种结构示意图。第一安装孔2912为通孔，第一显示区240的驱动单元层具有相对摄像头60的第二安装孔2922，第一安装孔2912和第二安装孔2922连通，摄像头60可以至少部分位于第二安装孔2922内。例如，摄像头60的镜头62位于在第一安装孔2912和第二安装孔2922内。第二安装孔2922可以为通孔也可以为盲孔。第一安装孔2912和第二安装孔2922可以在显示装置20的部分层叠结构形成后再制作出来。例如，显示装置20的驱动电路层、阳极层、发光层、公共电极层都设置在基板291上以后，对应摄像头60镜头62位置利用激光等方式制作出第一安装孔2912和第二安装孔2922。
需要说明的是，相对第一显示区240的摄像头60可以作为电子设备10的前置摄像头60，前置摄像头一般为镜头不能移动的摄像头，显示装置20的基板291和驱动电路层292可以设置第一安装孔2912和第二安装孔2922，则相对第一显示区240的摄像头60可以为镜头62可移动的摄像头60，摄像头60的镜头62可移动用于实现自动对焦等功能。
可以理解的是，上述任意一个实施例中，第一显示区中的第一像素的尺寸和形状可以根据需要设置。例如，第一像素可以矩形，还可以为类圆形。类圆形的第一像素可以为圆形、椭圆形或圆角矩形等。类圆形的第一像素因为边缘为弧形过渡，可以改善第一显示区的衍射问题。
显示装置可以呈规则形状，如矩形、圆角矩形或圆形。当然，在一些其它可能的实施例中，显示装置也可以呈非规则形状，本申请实施例对此不作限定。
第一显示区下方可以设置一个摄像头也可以设置多个摄像头。多个摄像头 可以为相互配合的摄像头，如两个相同的摄像头、一个普通摄像头和一个虚化摄像头或黑白摄像头等，第一显示区下方除了设置摄像头以外还可以设置其他功能器件，如接近传感器、光线传感器、测距传感器、指纹识别传感器等。
为了更加全面的理解本申请实施例的电子设备。下面对电子设备的结构作进一步说明。请继续参阅图1，电子设备10还包括壳体40和摄像头60。
壳体40可以包括后盖(图中未示出)和边框420，边框420围绕后盖的周缘设置。显示装置20可以设置于边框420内，显示装置20和后盖可以作为电子设备10的相对的两面。摄像头60设置在壳体40的后盖和显示装置20之间。显示装置20可以为有机发光二极管显示装置20(Organic Light-Emitting Diode，OLED)显示装置20。显示装置20可以为全面屏，即，显示装置20的显示面基本全部都是显示区域。显示装置20上还可以设置有盖板。盖板覆盖显示装置20，以对显示装置20进行保护，防止显示装置20被刮伤或者被水损坏。其中，盖板可以为透明玻璃盖板，从而用户可以透过盖板观察到显示装置20显示的信息。例如，盖板可以为蓝宝石材质的盖板。
电子设备10还可以包括电路板、电池和中板。边框420围绕中板设置，其中，边框420可以与中板形成电子设备10的中框。中板和边框420在中板两侧各形成一个容纳腔，其中一个容纳腔用于容置显示装置20，另一个容纳腔用于容置电路板、电池和电子设备10的其他电子元件或功能组件。
其中，中板可以为薄板状或薄片状的结构，也可以为中空的框体结构。中框用于为电子设备10中的电子元件或功能组件提供支撑作用，以将电子设备10中的电子元件、功能组件安装到一起。电子设备10的摄像头60、受话器、电池等功能组件都可以安装到中框或电路板上以进行固定。可以理解的，中框的材质可以包括金属或塑胶等。
电路板可以安装在中框上。电路板可以为电子设备10的主板。其中，电路板上可以集成有麦克风、扬声器、受话器、耳机接口、加速度传感器、陀螺仪以及处理器等功能组件中的一个或多个。同时，显示装置20可以电连接至电路板，以通过电路板上的处理器对显示装置20的显示进行控制。显示装置20和摄像头60可以均与处理器电性连接；当处理器接收到拍摄指令时，处理器控制透光区关闭显示，并控制摄像头60透过第一显示区240采集图像；当 处理器未接收到拍摄指令，且接收到显示图像指令时，处理器控制第二显示区220和第一显示区240共同显示图像。
电池可以安装在中框上。同时，电池电连接至电路板，以实现电池为电子设备10供电。其中，电路板上可以设置有电源管理电路。电源管理电路用于将电池提供的电压分配到电子设备10中的各个电子元件。
应当理解的是，在本文中提及的“多个”是指是两个或两个以上。
以上对本申请实施例提供的显示装置和电子设备进行了详细介绍。本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请。同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种显示装置，包括邻接的第一显示区和第二显示区，所述第一显示区的透光率大于所述第二显示区的透光率，所述第一显示区包括金属阳极层和驱动电路层，所述驱动电路层与所述金属阳极层电连接，所述金属阳极层包括多个金属阳极，所述驱动电路层包括多个第一驱动单元，至少一个所述第一驱动单元在所述金属阳极层的正投影至少部分位于一所述金属阳极内。
  2. 根据权利要求1所述的显示装置，其中，所述第一显示区还包括多个第一像素，每一个所述第一驱动单元驱动至少一个所述第一像素，每一所述第一驱动单元包括多个薄膜晶体管；
    所述第二显示区包括多个第二像素和多个第二驱动单元，每一个所述第二驱动单元驱动一个所述第二像素，每一所述第二驱动单元包括多个薄膜晶体管；
    其中，一所述第二驱动单元对应的薄膜晶体管的数量大于一所述第一驱动单元对应的薄膜晶体管的数量。
  3. 根据权利要求2所述的显示装置，其中，至少一所述第一像素在所述驱动电路层上的正投影覆盖一所述第一驱动单元。
  4. 根据权利要求2所述的显示装置，其中，所述第一显示区中的所述第一像素的分布密度小于所述第二显示区中的所述第二像素的分布密度。
  5. 根据权利要求2所述的显示装置，其中，所述金属阳极采用不透光材料，多个所述金属阳极间隔设置，所述第一像素在所述金属阳极层的正投影覆盖所述金属阳极。
  6. 根据权利要求2所述的显示装置，其中，每一个所述第一像素的尺寸大于任意一个所述第二像素的尺寸。
  7. 根据权利要求2所述的显示装置，其中，所述第一驱动单元的分布密度小于所述第二驱动单元的分布密度。
  8. 根据权利要求1所述的显示装置，其中，所述第一显示区还包括多个第一像素，所述第二显示区包括多个第二像素，所述第一像素和所述第二像素的物理结构相同，所述第一显示区中至少两个相同颜色显示的第一像素并联连接，并共用一个所述第一驱动单元。
  9. 根据权利要求1所述的显示装置，其中，所述显示装置还包括：
    偏光片，包括第一偏光部和第二偏光部，所述第一偏光部对应所述第一显示区设置，所述第二偏光部对应所述第二显示区设置，所述第一偏光部的透光率大于所述第二偏光部的透光率。
  10. 一种电子设备，包括：
    显示装置，包括邻接的第一显示区和第二显示区，所述第一显示区的透光率大于所述第二显示区的透光率，所述第一显示区包括金属阳极层和驱动电路层，所述驱动电路层与所述金属阳极层电连接，所述金属阳极层包括多个金属阳极，所述驱动电路层包括多个第一驱动单元，至少一个所述第一驱动单元在所述金属阳极层的正投影至少部分位于一所述金属阳极内；及
    摄像头，所述摄像头包括镜头，所述镜头朝向所述第一显示区设置，所述摄像头用于获取透过所述第一显示区的外界光信号进行成像。
  11. 根据权利要求10所述的电子设备，其中，所述显示装置还包括基板，所述驱动电路层设置在所述基板上，所述基板设有相对所述第一显示区的第一安装孔，所述镜头至少部分位于所述第一安装孔内。
  12. 根据权利要求11所述的电子设备，其中，所述驱动电路层设有相对所述镜头的第二安装孔，所述第二安装孔与所述第一安装孔连通，所述镜头至少部分位于所述第二安装孔内。
  13. 根据权利要求10所述的电子设备，其中，所述第一显示区还包括多个第一像素，每一个所述第一驱动单元驱动至少一个所述第一像素，每一所述第一驱动单元包括多个薄膜晶体管；
    所述第二显示区包括多个第二像素和多个第二驱动单元，每一个所述第二驱动单元驱动一个所述第二像素，每一所述第二驱动单元包括多个薄膜晶体管；
    其中，一所述第二驱动单元对应的薄膜晶体管的数量大于一所述第一驱动单元对应的薄膜晶体管的数量。
  14. 根据权利要求13所述的电子设备，其中，至少一所述第一像素在所述驱动电路层上的正投影覆盖一所述第一驱动单元。
  15. 根据权利要求13所述的电子设备，其中，所述第一显示区中的所述第一像素的分布密度小于所述第二显示区中的所述第二像素的分布密度。
  16. 根据权利要求13所述的电子设备，其中，所述金属阳极采用不透光 材料，多个所述金属阳极间隔设置，所述第一像素在所述金属阳极层的正投影覆盖所述金属阳极。
  17. 根据权利要求13所述的电子设备，其中，每一个所述第一像素的尺寸大于任意一个所述第二像素的尺寸。
  18. 根据权利要求13所述的电子设备，其中，所述第一驱动单元的分布密度小于所述第二驱动单元的分布密度。
  19. 根据权利要求10所述的电子设备，其中，所述第一显示区还包括多个第一像素，所述第二显示区包括多个第二像素，所述第一像素和所述第二像素的物理结构相同，所述第一显示区中至少两个相同颜色显示的第一像素并联连接，并共用一个所述第一驱动单元。
  20. 根据权利要求10所述的电子设备，其中，所述显示装置还包括：
    偏光片，包括第一偏光部和第二偏光部，所述第一偏光部对应所述第一显示区设置，所述第二偏光部对应所述第二显示区设置，所述第一偏光部的透光率大于所述第二偏光部的透光率。
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