WO2023077565A1 - 一种显示装置 - Google Patents

一种显示装置 Download PDF

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Publication number
WO2023077565A1
WO2023077565A1 PCT/CN2021/132331 CN2021132331W WO2023077565A1 WO 2023077565 A1 WO2023077565 A1 WO 2023077565A1 CN 2021132331 W CN2021132331 W CN 2021132331W WO 2023077565 A1 WO2023077565 A1 WO 2023077565A1
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WO
WIPO (PCT)
Prior art keywords
backplane
display
display area
display device
camera
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/CN2021/132331
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English (en)
French (fr)
Inventor
占栋
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 US17/618,573 priority Critical patent/US12274150B2/en
Publication of WO2023077565A1 publication Critical patent/WO2023077565A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
    • 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
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • 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
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light

Definitions

  • the present application relates to the field of display technology, in particular to a display device.
  • OLED Organic Light Emitting Diode
  • the under-screen camera technology can hide the camera under the display panel and the display panel corresponding to the camera area can still display normally, which is conducive to increasing the screen ratio, so it has a broader market prospect.
  • this technology still has camera problems. It suffers from the interference of emitted light from the light-emitting unit in the display panel, low light collection, and poor imaging effect.
  • the present application provides a display device, which can effectively solve the problems of current under-display camera display devices that are easily interfered by emitted light from a light-emitting unit in a display panel, have low light collection and poor imaging effects.
  • the present application provides a display device, the display device comprising:
  • a display panel located on the light-incident side of the camera, the display panel includes a first display area and a second display area, and the second display area is set correspondingly to the camera;
  • a backplane located between the camera and the display panel, the backplane includes a first backplane and a second backplane, and the vertical projection of the second backplane on the display panel at least covers the first Two display areas, and the light reflectance of the second backplane is smaller than the light reflectivity of the first backplane.
  • the light transmittance of the second backplane is greater than the light transmittance of the first backplane.
  • the vertical projection of the first backplane on the display panel at least covers the first display area and the second display area, and the second backplane is located close to or On a side away from the second display area, the second backplane is disposed corresponding to the second display area.
  • a groove is formed on the first backplane corresponding to the second display area, and the second backplane fills the groove.
  • the vertical projection of the first backplane on the display panel at least covers the first display area and the second display area, and the second backplane is located close to or On a side away from the second display area, the second backplane is disposed corresponding to the first display area and the second display area.
  • the vertical projection of the first backplane on the display panel at least covers the first display area, and an opening is formed at a position corresponding to the second display area, and the second backplane fills the in the opening.
  • the hardness of the second back plate is greater than 7HB.
  • the light transmittance of the second back plate is greater than 95%, the light reflectance of the second back plate is less than 1%, and the phase difference of the second back plate is less than or equal to 10.
  • the display device further includes an adhesive layer, and the adhesive layer is located between the backplane and the display panel.
  • the display device further includes a composite functional layer disposed between the backplane and the camera, and the composite functional layer is provided with a light transmission hole at a position corresponding to the second display area.
  • the display device provided by the present application can effectively prevent the light-emitting units of the first display area from being exposed to the camera during the display process by making the light reflectance of the second backplane smaller than that of the first backplane.
  • the influence of lighting can effectively improve the imaging effect.
  • FIG. 1 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • FIG. 2 shows a schematic structural diagram of a display portion of a display panel provided by an embodiment of the present application.
  • FIG. 3 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • FIG. 4 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • FIG. 5 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • FIG. 6 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • FIG. 7 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • the present application provides a display device, the display device includes: a camera; a display panel, located on the light incident side of the camera, the display panel includes a first display area and a second display area, the second display area and The camera is arranged correspondingly; a backplane is located between the camera and the display panel, the backplane includes a first backplane and a second backplane, and the second backplane is perpendicular to the display panel
  • the projection at least covers the second display area, and the light reflectivity of the second backplane is smaller than the light reflectivity of the first backplane.
  • the present application by making the light reflectance of the second backplane smaller than that of the first backplane, it is possible to effectively avoid the influence of the light-emitting unit in the first display area on the lighting of the camera during the display process. , effectively improving the imaging effect.
  • FIG. 1 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application
  • FIG. 2 shows a schematic structural view of a display panel provided by an embodiment of the present application.
  • the present application provides a display device, the display device includes: a camera 90 , and the camera 90 is used for lighting and imaging.
  • the display device further includes a display panel 10 located on the light-incident side of the camera 90 .
  • the display panel 10 is, for example, a flexible OLED display panel 10 and has a bending or folding function.
  • the display panel 10 includes a display portion 11 , a binding portion 13 and a bending portion 12 , and the bending portion 12 is located between the display portion 11 and the binding portion 13 .
  • the display portion 11 of the display panel 10 is provided with a plurality of light emitting units (not shown in the figure) for performing the display function of the display panel 10, and the display portion 11 includes a display side and a side opposite to the displayed side.
  • the observer can watch the picture displayed by the display part 11 on the display side; the bending part 12 of the display panel 10 has a bent state; the binding part 13 of the display panel 10 Electrical components such as a circuit board for driving the display portion 11 to display are provided, and are bent and fixed to the back side of the display portion 11 by the bending portion 12 .
  • the display panel 10 can effectively reduce the width of the frame of the display device by bending the binding portion 13 to the back side of the display portion 11 to achieve a narrow frame effect.
  • the display panel 10 includes a driving circuit layer and a pixel definition layer disposed on the driving circuit layer, and an array of pixel definition openings is formed on the pixel definition layer, and each pixel defines openings in the openings.
  • An OLED light-emitting device is provided, and the OLED light-emitting device includes a cathode, an anode, and the light-emitting unit between the cathode and the anode.
  • an encapsulation layer is provided on the OLED light-emitting device, and the encapsulation layer may include stacked Inorganic film layer and organic film layer.
  • the display unit 11 includes a first display area 110 and a second display area 120, the first display area 110 is arranged around the second display area 120, and the second display area 120 is connected to the second display area 120.
  • the camera 90 is set correspondingly.
  • the display portion 11 of the first display area 110 has a display state; the display portion 11 of the second display area 120 has a display state or a light transmission state.
  • the display portions of the first display area 110 and the second display area 120 11 all perform the display function, the camera 90 is turned off, and the display device realizes a full-screen display;
  • the display portion 11 of the first display area 110 performs a display function
  • the display portion 11 of the second display area 120 does not perform a display function
  • the external ambient light can pass through the display of the second display area 120 part 11 shoots into the camera 90 located on the back side of the display part 11, the camera 90 is turned on, the display device realizes the camera function, and the picture taken by the camera 90 is transmitted to the display panel 10.
  • the first display area 110 performs display.
  • the arrangement density of the light emitting units in the second display area 120 may be smaller than the arrangement density of the light emitting units in the first display area 110, so as to increase the light transmittance of the second display area 120 , to ensure the imaging quality of the camera 90 .
  • the display device further includes a backboard 20, the backboard 20 is provided corresponding to the display part 11 and the binding part 13, and the bending part 12 is not provided with the backboard 20,
  • the bending performance of the display panel 10 at the bending portion 12 is improved.
  • the backplane 20 includes a first backplane 21 and a second backplane 22, and the vertical projection of the first backplane 21 on the display panel 10 covers at least the first The display area 110 and the binding part 13, specifically, the first backplane 21 is set corresponding to the first display area 110, the second display area 120 and the binding part 13 of the display part 11;
  • the vertical projection of the second backplane 22 on the display panel 10 at least covers the second display area 120 of the display part 11, specifically, the second backplane 22 and the second display of the display part 11 Area 120 is set accordingly.
  • the light reflectivity of the second backplane 22 is smaller than the light reflectivity of the first backplane 21.
  • the present application makes the light reflectivity of the second backplane 22 smaller than the light reflectance of the first back plate 21, so as to effectively avoid the light emitted by the light-emitting units adjacent to the second display area 120 in the first display area 110, in the position corresponding to the camera 90
  • the light reflection generated on the back plate 20 interferes with the normal lighting of the camera 90 and improves the imaging effect of the camera 90 .
  • the light transmittance of the second backplane 22 is greater than the light transmittance of the first backplane 21 .
  • the second backplane 22 can effectively increase the amount of incident light penetrating the backplane 20 and entering the camera 90 , thereby further improving the imaging effect of the camera 90 .
  • the second backplane 22 is located on a side of the first backplane 21 away from the display part 11 , and the second backplane 22 is disposed corresponding to the second display area 120 . Since the backplane 20 has a certain thickness, when the second backplane 22 is arranged on the side of the backplane 20 away from the display part 11 , that is, at the bottom of the backplane 20 , The backplane 20 can better reduce the reflected light of the light-emitting units on the backplane 20 on the first display area 110 on the periphery of the second display area 120, and improve the imaging effect of the camera 90 and the The display device displays the corresponding display effect when photographing or photographing a picture.
  • the first backplane 21 is formed with a groove corresponding to the position of the second display area 120, and the second backplane 22 is filled in the groove, so as to prevent the display device from
  • the arrangement of the two backplanes 120 results in an increase in the overall thickness, while improving the light transmittance, and making the surface of the backplane 20 far away from the display part 11 a flat surface, ensuring that when other layers are formed on the surface, The bonding effect between the film layers is good, and the peeling phenomenon between the film layers is avoided.
  • the hardness of the second backplane 22 is greater than 7HB, so as to improve the support effect of the backplane 20 on the display part 11 of the second display area 120 on the basis of ensuring the overall performance of the backplane 20 .
  • the light transmittance of the second backplane 22 is greater than 95%, and the light reflectance of the second backplane 22 is less than 1%, so as to reduce the light reflectivity of the backplane 20 while improving The light transmittance ensures better imaging quality of the camera 90 .
  • the phase difference of the second backplane 22 is less than or equal to 10.
  • the lighting effect of the camera 90 can be effectively improved, thereby reducing or eliminating the impact of light on the area of the backplane 20 corresponding to the second display area 120 and the camera 90.
  • the effect of the phase delay avoids the display device from producing bright and dark fringes when displaying the imaged images of the camera 90 .
  • the display device further includes a first adhesive layer 31, the first adhesive layer 31 is located between the display portion 11 and the back plate 20, and is used to connect the display portion 11 and the back plate 20.
  • the backboard 20 is fixedly connected.
  • the film layer material of the first backplane 21 is a cycloolefin polymer, and the first backplane 21 formed by the cycloolefin polymer has better light transmittance, and also has a smaller phase difference.
  • the film layer material of the second backplane 22 is, for example, an anti-reflection and anti-reflection film formed after optical treatment of a film material with strong supporting performance.
  • the second backplane 22 can be formed on the first backplane 21 by magnetron sputtering deposition, sol-gel method or partial attachment.
  • the film thickness of the second backplane 22 is 0.5 ⁇ m ⁇ 10 ⁇ m.
  • the display device further includes a composite functional layer disposed between the backplane 20 and the camera 90, and the composite functional layer is provided with a light-transmitting layer at a position corresponding to the second display area 120. The light exiting through the back plate 20 enters the camera 90 through the light-transmitting hole.
  • the composite functional layer includes a laminated foam layer 40 and a metal layer 50, the foam layer 40 is located between the metal layer 50 and the back plate 20, and the foam layer A second adhesive layer (not shown in the figure) may also be provided between the layer 40 and the first backplane 21 .
  • the display device includes a polarizer 60, a third adhesive layer 32 and a cover plate 70 stacked in sequence on the display portion 11.
  • the polarizer 60 can also be replaced by a color filter or Other optical film layers that reduce light reflection
  • the cover plate 70 is used to seal and protect various components in the display device, and prevent the display device from being damaged by external forces or corroded by external water vapor, etc.
  • the cover plate 70 The plate 70 can be a cover plate made of ultra-thin glass or organic film layer material, and the cover plate 70 can be flexible or rigid.
  • the part of the first backplane 21 corresponding to the binding part 13 is fixedly connected to the composite functional layer through the fourth adhesive layer 33, and the binding part 13 is far away from the bending part 12
  • a flexible circuit board 80 is also provided at one end.
  • FIG. 3 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • Embodiment 2 of the present application provides a display device, which is similar in structure to the display device provided in Embodiment 1 of the present application.
  • the same or similar parts are no longer Let me repeat them one by one.
  • the difference is that the second backplane 22 is located on a side of the first backplane 21 close to the display portion 11 , and the second backplane 22 is disposed corresponding to the second display area 120 .
  • a groove is formed on the first backplane 21 corresponding to the position of the second display area 120, and the direction of the notch of the groove faces the second display area 120 of the display part 11, and the first The two backplanes 22 are filled in the groove, so that the surface of the backplane 20 close to the display part 11 is a flat surface, so as to ensure that the bonding effect between the film layers is improved when the film layer is formed on the surface, Avoid peeling between film layers.
  • the reflectivity of the backplane 20 can be reduced while further The light transmittance of the back plate 20 is increased to improve the imaging effect of the camera 90 and the display effect when the display device displays corresponding pictures or pictures.
  • FIG. 4 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • Embodiment 3 of the present application provides a display device, which is similar in structure to the display device provided in Embodiment 2 of the present application.
  • the same or similar parts are no longer Let me repeat them one by one.
  • the difference is that the two surfaces of the first backplane 21 away from and close to the display part 11 are flat surfaces, and the second backplane 22 is arranged on the first backplane 21 close to the display part 11
  • a first adhesive layer 31 is filled between the display portion 11 and the back plate 20 , and the first adhesive layer 31 covers the second back plate 22 .
  • the reflectivity of the backplane 20 can be reduced while further The light transmittance of the back plate 20 is increased to improve the imaging effect of the camera 90 and the display effect when the display device displays corresponding pictures or pictures.
  • FIG. 5 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • Embodiment 4 of the present application provides a display device, which is similar in structure to the display device provided in Embodiment 3 of the present application.
  • the same or similar parts are no longer Let me repeat them one by one.
  • the difference is that the two surfaces of the first backplane 21 away from and close to the display part 11 are flat surfaces, and the second backplane 22 is arranged on the first backplane 21 close to the display part 11
  • the first adhesive layer 31 does not cover the second backplane 22, that is, the second backplane 22 penetrates the first adhesive layer 31 and is connected to the display part 11.
  • the second display area 120 is set adjacent to each other.
  • the reflectivity of the backplane 20 can be reduced while further The light transmittance of the back plate 20 is increased to improve the imaging effect of the camera 90 and the display effect when the display device displays corresponding pictures or pictures.
  • the second backplane 22 may also be located on a side of the first backplane 21 away from the display portion 11 , which will not be repeated in this application.
  • FIG. 6 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • Embodiment 5 of the present application provides a display device, which is similar in structure to the display device provided in Embodiment 3 of the present application, and the same or similar parts in this embodiment are no longer Let me repeat them one by one. The difference is that the vertical projection of the second backplane 22 on the display part 11 directly covers the first display area 110 and the second display area 120, that is, the second backplane 22 and the The first display area 110 and the second display area 120 of the display unit 11 are provided correspondingly.
  • the area of the second backplane 22 corresponding to the display part 11 is enlarged to the first display area 110, the area of the second backplane 22 corresponding to the display part 11 is improved. area, so that the backplane 20 can better reduce the reflected light of the light-emitting units on the first display area 110 on the periphery of the second display area 120 on the backplane 20, and improve the imaging effect of the camera 90 and the display device displaying the corresponding display effect when photographing or taking pictures.
  • the second backplane 22 may also be located on a side of the first backplane 21 away from the display portion 11 , which will not be repeated in this application.
  • FIG. 7 shows a schematic cross-sectional view of a display device provided by an embodiment of the present application.
  • Embodiment 6 of the present application provides a display device, which is similar in structure to the display device provided in Embodiment 1 of the present application.
  • the same or similar parts are no longer Let me repeat them one by one.
  • the difference is that the vertical projection of the first backplane 21 on the display portion 11 only covers the first display area 110 , and an opening is formed at a position corresponding to the second display area 120 .
  • Two backplanes 22 are filled in the opening.
  • the back plate 20 is only provided with a second back with higher light transmittance and lower light reflectance in the area corresponding to the second display area 120 and the camera 90, plate 22, so as to better reduce the reflected light of the light-emitting units on the first display area 110 on the periphery of the second display area 120 on the back plate 20, and further increase the light transmission of the back plate 20
  • the rate is improved to improve the imaging effect of the camera 90 and the display effect when the display device displays corresponding pictures or pictures.
  • the present application provides a display device, the display device includes: a camera; a display panel, located on the light incident side of the camera, the display panel includes a first display area and a second display area, the The second display area is set correspondingly to the camera; the backplane is located between the camera and the display panel, the backplane includes a first backplane and a second backplane, and the second backplane is positioned between the camera and the display panel.
  • the vertical projection on the display panel at least covers the second display area, and the light reflectivity of the second backplane is smaller than the light reflectivity of the first backplane.
  • the present application by making the light reflectance of the second backplane smaller than that of the first backplane, it is possible to effectively avoid the influence of the light-emitting unit in the first display area on the lighting of the camera during the display process. improving the imaging effect of the camera and the display effect when the display device displays a corresponding photographing or photographing picture.

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Abstract

一种显示装置，显示装置包括：摄像头（90）；显示面板（10），位于摄像头（90）的入光侧，显示面板（10）包括第一显示区（110）和第二显示区（120），第二显示区（120）与摄像头（90）对应设置；背板（20），位于摄像头（90）和显示面板（10）之间，背板（20）包括第一背板（21）和第二背板（22），第二背板（22）在显示面板（10）上的垂直投影至少覆盖第二显示区（120），且第二背板（22）的光反射率小于第一背板（21）的光反射率。

Description

一种显示装置 技术领域
本申请涉及显示技术领域，具体涉及一种显示装置。
 背景技术
有机发光二极管（Organic Light Emitting Diode，OLED）显示装置具有驱动电压低、发光效率高、响应时间短、清晰度与对比度高、近180°视角、使用温度范围宽，可实现柔性显示与大面积全色显示等诸多优点，被业界公认为是最有发展潜力的显示装置。
随着科技发展以及人们对产品要求的提高，具有更高屏占比的全面屏成为智能手机倍受期待的发展潮流。屏下摄像头技术可实现将摄像头隐藏于显示面板的下方且对应摄像头区域的显示面板依旧可以实现正常显示，有利于提升屏占比，因此具有更加广阔的市场前景，但该技术目前仍存在摄像头易受到显示面板中发光单元的发射光干扰、采光量低和成像效果较差等问题。
 技术问题
本申请提供一种显示装置，能够有效解决目前屏下摄像头显示装置中易受到显示面板中发光单元的发射光干扰、采光量低和成像效果较差的问题。
 技术解决方案
本申请提供一种显示装置，所述显示装置包括：
摄像头；
显示面板，位于所述摄像头的入光侧，所述显示面板包括第一显示区和第二显示区，所述第二显示区与所述摄像头对应设置；
背板，位于所述摄像头和所述显示面板之间，所述背板包括第一背板和第二背板，所述第二背板在所述显示面板上的垂直投影至少覆盖所述第二显示区，且所述第二背板的光反射率小于所述第一背板的光反射率。
可选的，所述第二背板的光透过大于所述第一背板的光透过率。
可选的，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离第二显示区的一侧，所述第二背板对应所述第二显示区设置。
可选的，所述第一背板对应所述第二显示区的位置形成有凹槽，所述第二背板填充于所述凹槽内。
可选的，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离第二显示区的一侧，所述第二背板对应所述第一显示区和所述第二显示区设置。
可选的，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区，并在对应所述第二显示区的位置形成有开口，所述第二背板填充于所述开口内。
可选的，所述第二背板的硬度大于7HB。
可选的，所述第二背板的光透过率大于95%，所述第二背板的光反射率小于1%，所述第二背板的相位差小于或等于10。
可选的，所述显示装置还包括粘接层，所述粘接层位于所述背板和所述显示面板之间。
可选的，所述显示装置还包括设置于所述背板和所述摄像头之间的复合功能层，所述复合功能层在对应所述第二显示区的位置设置有透光孔。
 有益效果
相较于现有技术，本申请提供的显示装置通过使第二背板的光反射率小于第一背板的光反射率，从而能够有效避免第一显示区的发光单元在显示过程中对摄像头采光的影响，有效提升成像效果。
 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示出了本申请一实施例提供的显示装置的剖面示意图。
图2示出了本申请一实施例提供的显示面板的显示部的结构示意图。
图3示出了本申请一实施例提供的显示装置的剖面示意图。
图4示出了本申请一实施例提供的显示装置的剖面示意图。
图5示出了本申请一实施例提供的显示装置的剖面示意图。
图6示出了本申请一实施例提供的显示装置的剖面示意图。
图7示出了本申请一实施例提供的显示装置的剖面示意图。
 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。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”和“下”通常是指装置实际使用或工作状态下的上和下，具体为附图中的图面方向；而“内”和“外”则是针对装置的轮廓而言的。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。以下分别进行详细说明，需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
本申请提供一种显示装置，所述显示装置包括：摄像头；显示面板，位于所述摄像头的入光侧，所述显示面板包括第一显示区和第二显示区，所述第二显示区与所述摄像头对应设置；背板，位于所述摄像头和所述显示面板之间，所述背板包括第一背板和第二背板，所述第二背板在所述显示面板上的垂直投影至少覆盖所述第二显示区，且所述第二背板的光反射率小于所述第一背板的光反射率。本申请通过使所述第二背板的光反射率小于所述第一背板的光反射率，从而能够有效避免所述第一显示区的发光单元在显示过程中对所述摄像头采光的影响，有效提升成像效果。
实施例一
图1示出了本申请实施例提供的显示装置的剖面示意图；图2示出了本申请实施例提供的显示面板的结构示意图。结合图1和图2所示，本申请提供一种显示装置，所述显示装置包括：摄像头90，所述摄像头90用于采光和成像。所述显示装置还包括位于所述摄像头90入光侧的显示面板10，所述显示面板10例如为柔性OLED显示面板10，并具有弯折或折叠功能。
本实施例中，所述显示面板10包括显示部11、绑定部13和弯折部12，所述弯折部12位于所述显示部11和所述绑定部13之间。所述显示面板10的所述显示部11设置有多个发光单元（图中未示出），用于执行显示面板10的显示功能，所述显示部11包括显示侧和与所显示侧相对的背侧，观察者能够观看到所述显示侧的显示部11所显示的画面；所述显示面板10的所述弯折部12具有弯折状态；所述显示面板10的所述绑定部13设置有用于驱动所述显示部11显示的电路板等电学元件，并通过所述弯折部12弯折固定至所述显示部11的背侧。所述显示面板10通过将所述绑定部13弯折至所述显示部11的背侧，从而能够有效缩减所述显示装置的边框宽度，实现窄边框效果。
本实施例中，所述显示面板10包括驱动电路层和设置于所述驱动电路层上的像素定义层，所述像素定义层上形成有阵列排布的像素定义开口，每个像素定义开口内设置有OLED发光器件，所述OLED发光器件包括阴极、阳极和位于阴极和阳极之间的所述发光单元，所述OLED发光器件上例如还设置有封装层，所述封装层可以包括层叠设置的无机膜层和有机膜层。
本实施例中，所述显示部11包括第一显示区110和所述第二显示区120，所述第一显示区110围绕所述第二显示区120设置，所述第二显示区120与所述摄像头90对应设置。所述第一显示区110的显示部11具有显示状态；所述第二显示区120的显示部11具有显示状态或透光状态。当所述第一显示区110的显示部11为显示状态且所述第二显示区120的显示部11为显示状态时，所述第一显示区110和所述第二显示区120的显示部11均执行显示功能，所述摄像头90关闭，所述显示装置实现全面屏显示；当所述第一显示区110的显示部11为显示状态且所述第二显示区120的显示部11为透光状态时，所述第一显示区110的显示部11执行显示功能，所述第二显示区120的显示部11不执行显示功能，外界环境光能够透过所述第二显示区120的显示部11射入到位于所述显示部11的背侧的摄像头90中，所述摄像头90开启，所述显示装置实现拍照功能，并将所述摄像头90拍摄的画面传输至所述显示面板10的第一显示区110进行显示。
本实施例中，所述第二显示区120的发光单元的排布密度可以小于所述第一显示区110的发光单元的排布密度，以提升所述第二显示区120的光透过率，保证所述摄像头90的成像质量。
本实施例中，所述显示装置还包括背板20，所述背板20例如对应所述显示部11和所述绑定部13设置，所述弯折部12不设置所述背板20，从而提升所述显示面板10在所述弯折部12的弯折性能。
本实施例中，所述背板20包括第一背板21和第二背板22，所述第一背板21在所述显示面板10上的垂直投影至少覆盖所述显示部11的第一显示区110和所述绑定部13，具体的，所述第一背板21与所述显示部11的第一显示区110、第二显示区120和所述绑定部13对应设置；所述第二背板22在所述显示面板10上的垂直投影至少覆盖所述显示部11的第二显示区120，具体的，所述第二背板22与所述显示部11的第二显示区120对应设置。所述第二背板22的光反射率小于所述第一背板21的光反射率，由于所述OLED面板为自发光显示面板，本申请通过使所述第二背板22的光反射率小于所述第一背板21的光反射率，从而能够有效避免所述第一显示区110内邻近所述第二显示区120的发光单元发出的光，在对应所述摄像头90位置的所述背板20上产生的光反射对所述摄像头90的正常采光造成干扰，提高所述摄像头90的成像效果。
本实施例中，所述第二背板22的光透过率大于所述第一背板21的光透过率。所述第二背板22能够有效增加穿透所述背板20而射入到所述摄像头90的入光量，从而进一步提升所述摄像头90的成像效果。
本实施例中，所述第二背板22位于所述第一背板21远离所述显示部11的一侧，且所述第二背板22对应所述第二显示区120设置。由于所述背板20具有一定的厚度，当将所述第二背板22设置在所述背板20的远离所述显示部11的一侧，也即所述背板20的最底部时，所述背板20能够更好的减少所述第二显示区120外围的第一显示区110上的发光单元在所述背板20上的反射光，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
具体的，所述第一背板21对应所述第二显示区120的位置形成有凹槽，所述第二背板22填充于所述凹槽内，以避免所述显示装置由于所述第二背板120的设置导致的整体厚度增加，同时提升光透过率，并使所述背板20远离所述显示部11的表面为平整面，确保在所述表面上形成其他膜层时，膜层间的接合效果良好，避免膜层之间的剥离现象。
本实施例中，所述第二背板22的硬度大于7HB，从而在保证背板20整体性能的基础上，提升背板20对所述第二显示区120的显示部11的支撑效果。
本实施例中，所述第二背板22的光透过率大于95%，所述第二背板22的光反射率小于1%，以降低所述背板20的光反射率的同时提升光穿透率，确保所述摄像头90的成像质量较佳。
本实施例中，所述第二背板22的相位差小于或等于10。通过限制所述第二背板22的相位差，能够有效提升所述摄像头90的采光效果，从而减小或消除对应所述第二显示区120和所述摄像头90的背板20所在区域对光线的相位延迟作用，避免所述显示装置在显示所述摄像头90的成像画面时产生明暗条纹。
本实施例中，所述显示装置还包括第一粘结层31，所述第一粘结层31位于所述显示部11和所述背板20之间，用于将所述显示部11和所述背板20固定连接。
本实施例中，所述第一背板21的膜层材料为环烯烃聚合物，所述环烯烃聚合物形成的第一背板21具有较好的透光性的同时，还具备较小的相位差值。
本实施例中，所述第二背板22的膜层材料例如为具有较强支撑性能的膜材经光学处理后形成的减反增透膜。所述第二背板22可以通过磁控溅射沉积、溶胶凝胶法或局部贴附的方式形成在所述第一背板21上。
本实施例中，所述第二背板22的膜层厚度为0.5μm~10um。
本实施例中，所述显示装置还包括设置于所述背板20和所述摄像头90之间的复合功能层，所述复合功能层在对应所述第二显示区120的位置设置有透光孔，经由所述背板20出射的光通过所述透光孔射入到所述摄像头90中。
本实施例中，所述复合功能层包括层叠设置的泡棉层40和金属层50，所述泡棉层40位于所述金属层50和所述背板20之间，另外，所述泡棉层40和所述第一背板21之间还可设置有第二粘结层（图中未示出）。
本实施例中，所述显示装置包括在所述显示部11上依次层叠设置的偏光片60、第三粘结层32和盖板70，所述偏光片60还可以替换为彩色滤光片或其他减少光反射的光学膜层，所述盖板70用于对所述显示装置中的多种元件进行封闭和保护，防止显示装置受到外界力的损伤或受到外界水汽等的侵蚀，所述盖板70可以是超薄玻璃或有机膜层材料制成的盖板，所述盖板70可以是柔性或刚性的。
本实施例中，所述第一背板21对应所述绑定部13的部分通过第四粘结层33与所述复合功能层固定连接，所述绑定部13远离所述弯折部12的一端例如还设置有柔性电路板80。
实施例二
图3示出了本申请一实施例提供的显示装置的剖面示意图。结合图2和图3所示，本申请实施例二提供了一种显示装置，所述显示装置与本申请实施例一提供的显示装置结构相类似，本实施例对于相同或相似的部分不再一一赘述。不同的是，所述第二背板22位于所述第一背板21靠近显示部11的一侧，且所述第二背板22对应所述第二显示区120设置。具体的，所述第一背板21对应所述第二显示区120的位置形成有凹槽，且所述凹槽的槽口方向朝向所述显示部11的第二显示区120，所述第二背板22填充于所述凹槽内，以使所述背板20靠近所述显示部11的表面为平整面，确保在所述表面上形成膜层时，提升膜层间的接合效果，避免膜层之间的剥离现象。
本申请实施例二提供的显示装置由于将所述第二背板22设置的更靠近所述显示部11的所述第二显示区120，从而能够在保证降低背板20的反射率的同时进一步增加所述背板20的光透过率，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
实施例三
图4示出了本申请一实施例提供的显示装置的剖面示意图。结合图2和图4所示，本申请实施例三提供了一种显示装置，所述显示装置与本申请实施例二提供的显示装置结构相类似，本实施例对于相同或相似的部分不再一一赘述。不同的是，所述第一背板21远离和靠近所述显示部11的两个表面均为平整表面，所述第二背板22设置在所述第一背板21靠近所述显示部11的一侧的表面上，所述显示部11和所述背板20之间填充有第一粘结层31，且所述第一粘结层31覆盖所述第二背板22。
本申请实施例三提供的显示装置由于将所述第二背板22设置的更靠近所述显示部11的所述第二显示区120，从而能够在保证降低背板20的反射率的同时进一步增加所述背板20的光透过率，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
实施例四
图5示出了本申请一实施例提供的显示装置的剖面示意图。结合图2和图5所示，本申请实施例四提供了一种显示装置，所述显示装置与本申请实施例三提供的显示装置结构相类似，本实施例对于相同或相似的部分不再一一赘述。不同的是，所述第一背板21远离和靠近所述显示部11的两个表面均为平整表面，所述第二背板22设置在所述第一背板21靠近所述显示部11的一侧的表面上，所述第一粘结层31未覆盖所述第二背板22，也即所述第二背板22贯穿所述第一粘结层31并与所述显示部11的第二显示区120邻接设置。
本申请实施例四提供的显示装置由于将所述第二背板22设置的更靠近所述显示部11的所述第二显示区120，从而能够在保证降低背板20的反射率的同时进一步增加所述背板20的光透过率，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
当然，在本申请的其他实施例中，所述第二背板22还可位于所述第一背板21远离所述显示部11的一侧，本申请在此不再赘述。
实施例五
图6示出了本申请一实施例提供的显示装置的剖面示意图。结合图2和图6所示，本申请实施例五提供了一种显示装置，所述显示装置与本申请实施例三提供的显示装置结构相类似，本实施例对于相同或相似的部分不再一一赘述。不同的是，所述第二背板22在所述显示部11上的垂直投影直接覆盖所述第一显示区110和所述第二显示区120，也即所述第二背板22与所述显示部11的第一显示区110和第二显示区120对应设置。
本申请实施例五提供的显示装置由于将所述第二背板22对应所述显示部11的面积扩大到了所述第一显示区110，提升了第二背板22对应所述显示部11的面积，使得所述背板20能够更好的减少所述第二显示区120外围的第一显示区110上的发光单元在所述背板20上的反射光，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
当然，在本申请的其他实施例中，所述第二背板22还可位于所述第一背板21远离所述显示部11的一侧，本申请在此不再赘述。
实施例六
图7示出了本申请一实施例提供的显示装置的剖面示意图。结合图2和图7所示，本申请实施例六提供了一种显示装置，所述显示装置与本申请实施例一提供的显示装置结构相类似，本实施例对于相同或相似的部分不再一一赘述。不同的是，所述第一背板21在所述显示部11上的垂直投影仅覆盖所述第一显示区110，并在对应所述第二显示区120的位置形成有开口，所述第二背板22填充于所述开口内。
本申请实施例六提供的显示装置由于所述背板20在对应所述第二显示区120和所述摄像头90的区域仅设置有光透过率更高且光反射率更低的第二背板22，从而能够更好的减少所述第二显示区120外围的第一显示区110上的发光单元在所述背板20上的反射光，并进一步增加所述背板20的光透过率，提升所述摄像头90的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
综上所述，本申请提供一种显示装置，所述显示装置包括：摄像头；显示面板，位于所述摄像头的入光侧，所述显示面板包括第一显示区和第二显示区，所述第二显示区与所述摄像头对应设置；背板，位于所述摄像头和所述显示面板之间，所述背板包括第一背板和第二背板，所述第二背板在所述显示面板上的垂直投影至少覆盖所述第二显示区，且所述第二背板的光反射率小于所述第一背板的光反射率。本申请通过使所述第二背板的光反射率小于所述第一背板的光反射率，从而能够有效避免所述第一显示区的发光单元在显示过程中对所述摄像头采光的影响，提升所述摄像头的成像效果和所述显示装置显示对应拍照或摄影画面时的显示效果。
以上对本申请实施例所提供的一种显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种显示装置，其中，包括：
    摄像头；
    显示面板，位于所述摄像头的入光侧，所述显示面板包括第一显示区和第二显示区，所述第二显示区与所述摄像头对应设置；
    背板，位于所述摄像头和所述显示面板之间，所述背板包括第一背板和第二背板，所述第二背板在所述显示面板上的垂直投影至少覆盖所述第二显示区，且所述第二背板的光反射率小于所述第一背板的光反射率。
  2. 根据权利要求1所述的显示装置，其中，所述第二背板的光透过大于所述第一背板的光透过率。
  3. 根据权利要求2所述的显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离所述第二显示区的一侧，所述第二背板对应所述第二显示区设置。
  4. 根据权利要求3所述的显示装置，其中，所述第一背板对应所述第二显示区的位置形成有凹槽，所述第二背板填充于所述凹槽内。
  5. 根据权利要求2所述的显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离所述第二显示区的一侧，所述第二背板对应所述第一显示区和所述第二显示区设置。
  6. 根据权利要求2所述的显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区，并在对应所述第二显示区的位置形成有开口，所述第二背板填充于所述开口内。
  7. 根据权利要求2所述的显示装置，其中，所述第二背板的硬度大于7HB。
  8. 根据权利要求2所述的显示装置，其中，所述第二背板的光透过率大于95%，所述第二背板的光反射率小于1%，所述第二背板的相位差小于或等于10。
  9. 根据权利要求2所述的显示装置，其中，所述显示装置还包括粘接层，所述粘接层位于所述背板和所述显示面板之间。
  10. 根据权利要求2所述显示装置，其中，所述显示装置还包括设置于所述背板和所述摄像头之间的复合功能层，所述复合功能层在对应所述第二显示区的位置设置有透光孔。
  11. 根据权利要求1所述显示装置，其中，所述显示面板包括：显示部，绑定部，和位于所述显示部和绑定部之间的弯折部，所述显示部包括所述第一显示区和所述第二显示区。
  12. 根据权利要求11所述显示装置，其中，所述第二背板的光透过大于所述第一背板的光透过率。
  13. 根据权利要求12所述显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离所述第二显示区的一侧，所述第二背板对应所述第二显示区设置。
  14. 根据权利要求13所述显示装置，其中，所述第一背板对应所述第二显示区的位置形成有凹槽，所述第二背板填充于所述凹槽内。
  15. 根据权利要求12所述显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区和所述第二显示区，所述第二背板位于所述第一背板靠近或远离所述第二显示区的一侧，所述第二背板对应所述第一显示区和所述第二显示区设置。
  16. 根据权利要求12所述显示装置，其中，所述第一背板在所述显示面板上的垂直投影至少覆盖所述第一显示区，并在对应所述第二显示区的位置形成有开口，所述第二背板填充于所述开口内。
  17. 根据权利要求12所述显示装置，其中，所述第二背板的硬度大于7HB。
  18. 根据权利要求12所述显示装置，其中，所述第二背板的光透过率大于95%，所述第二背板的光反射率小于1%，所述第二背板的相位差小于或等于10。
  19. 根据权利要求12所述显示装置，其中，所述显示装置还包括粘接层，所述粘接层位于所述背板和所述显示面板之间。
  20. 根据权利要求12所述显示装置，其中，所述显示装置还包括设置于所述背板和所述摄像头之间的复合功能层，所述复合功能层在对应所述第二显示区的位置设置有透光孔。
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