WO2020220578A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2020220578A1
WO2020220578A1 PCT/CN2019/109396 CN2019109396W WO2020220578A1 WO 2020220578 A1 WO2020220578 A1 WO 2020220578A1 CN 2019109396 W CN2019109396 W CN 2019109396W WO 2020220578 A1 WO2020220578 A1 WO 2020220578A1
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WO
WIPO (PCT)
Prior art keywords
layer
display area
driving
liquid crystal
display panel
Prior art date
Application number
PCT/CN2019/109396
Other languages
English (en)
French (fr)
Inventor
孙远
王超
刘广辉
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/620,171 priority Critical patent/US11287690B2/en
Publication of WO2020220578A1 publication Critical patent/WO2020220578A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • G09G3/342Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/44Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00Function characteristic
    • G02F2203/03Function characteristic scattering
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/02Composition of display devices
    • G09G2300/023Display panel composed of stacked panels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0264Details of the structure or mounting of specific components for a camera module assembly

Definitions

  • the invention relates to the field of display, in particular to a display panel and a display device.
  • Smart terminals such as mobile phones and tablet computers have become more and more an indispensable part of people’s daily lives due to their integration of convenience, entertainment, and functional diversity.
  • smart terminals such as mobile phones and tablet computers have become more and more an indispensable part of people’s daily lives due to their integration of convenience, entertainment, and functional diversity.
  • more advanced technologies to smart terminals has greatly enriched people’s lives; however, at the same time, people’s requirements and expectations for smart terminals are also getting higher and higher. People are enjoying smart terminals such as mobile phones and tablets. In addition to the basic functions that come, it also puts forward higher requirements for smart terminals, such as the full-screen design of smart terminals.
  • Full screen technology is a relatively broad definition of the design of ultra-high screen-to-body mobile phones in the display industry.
  • the literal explanation is that the front of the mobile phone is all a screen, and the display interface of the mobile phone is completely covered by the screen.
  • the four frame positions of the mobile phone are designed without borders, pursuing an ultra-high screen ratio close to 100%.
  • it is limited by the indispensable basic functions of other mobile phones such as the front camera, earpiece, distance sensor and light sensor.
  • the top of the screen of the mobile display device needs to be left with a certain gap to place the above functional components.
  • the screen display is only a display device with an ultra-high screen-to-body ratio for the time being, and there is no display device that can achieve a screen-to-body ratio of 100%, that is, the so-called "notch screen” and "water drop screen", which affects the overall aesthetics of the terminal smart terminal .
  • other mechanical structures are used to place some basic functional components, such as lifting cameras and other structures to achieve full-screen display, but display devices with lifting cameras have the disadvantages of being non-waterproof, low in service life, and easily damaged. , The user experience is low. Therefore, in the prior art, there is a need for a technical solution that can further reduce or eliminate the influence of the camera on the screen-to-body ratio and increase the screen-to-body ratio.
  • the object of the present invention is to provide a display panel and a display device that combine organic light-emitting diode (OLED) and liquid crystal display (Liquid Crystal Display, LCD) are combined to solve the problems that the screen-to-body ratio of mobile display devices in the prior art cannot reach 100%, a true full screen cannot be realized, and the overall aesthetics is poor.
  • OLED organic light-emitting diode
  • LCD liquid crystal display
  • the present invention provides a display panel including a display area, the display area having a transparent display area and a non-transparent display area surrounding the transparent display area.
  • the display panel further includes a first substrate layer, a light emitting layer, a liquid crystal layer, and a first driving layer and a second driving layer.
  • the light-emitting layer is disposed above the first substrate layer, and the light-emitting layer has a first through hole, and the first through hole corresponds to the transparent display area.
  • the liquid crystal layer is disposed above the light-emitting layer.
  • the first driving layer is provided between the first substrate layer and the light-emitting layer.
  • the second driving layer is arranged between the first substrate layer and the light-emitting layer or on the liquid crystal layer.
  • the first driving layer corresponds to the non-transparent display area and is used to provide a driving signal for the non-transparent display area.
  • the second driving layer corresponds to the transparent display area and is used to provide driving signals for the transparent display area.
  • liquid crystal layer is filled with scattering liquid crystals.
  • the first driving layer is an organic electroluminescence driving circuit.
  • the second driving layer is one of a field timing driving circuit, a coplanar switching driving circuit, a vertically aligned liquid crystal driving circuit, and a twisted nematic liquid crystal driving circuit.
  • the light-emitting layer is arranged with several organic electroluminescent devices.
  • the material of the second driving layer is indium tin oxide.
  • the display panel further includes a second substrate layer and a sealant layer.
  • the second substrate layer is disposed on the liquid crystal layer.
  • the sealant layer is perpendicular to the edges of the first substrate layer and the second substrate layer, and surrounds the first driving layer, the light emitting layer, and the liquid crystal layer.
  • the first driving layer surrounds the second driving layer.
  • the first driving layer has a second through hole, and the second through hole corresponds to the transparent display area.
  • the present invention also provides a display device, including the above-mentioned display panel.
  • the display device further includes a camera, which is arranged on a side of the display panel close to the first substrate layer and corresponds to the transparent display area.
  • the advantage of the present invention is that the display panel and the display device of the present invention combine organic electro-display technology and liquid crystal display technology to divide the display panel into a transparent display area and a non-transparent display area.
  • the transparent display area When the camera is turned on, the transparent display area is in a transparent state, which can provide a lighting channel for the camera.
  • the transparent display area When the camera is turned off, the transparent display area can display images normally, thereby increasing the screen-to-body ratio, realizing a true full-screen display, reducing the impact of the camera and other under-screen devices on the display panel, and improving the display surface device
  • the overall aesthetics enhances the user experience.
  • FIG. 1 is a front view of a display panel in Embodiment 1 or 2 of the present invention.
  • FIG. 2 is a schematic diagram of some parts of the display panel in Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of the layered structure of the display panel in Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of some parts of a display panel in Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram of the layered structure of the display panel in Embodiment 2 of the present invention.
  • Display panel 100 display area 110;
  • Transparent display area 111 Transparent display area 111; Non-transparent display area 112;
  • Sealant layer 30 Light emitting layer 40;
  • the part When some part is described as being “on” another part, the part may be directly placed on the other part; there may also be an intermediate part on which the part is placed, And the middle part is placed on another part.
  • a component When a component is described as “installed to” or “connected to” another component, both can be understood as directly “installed” or “connected”, or a component is indirectly “mounted to” or “connected to” through an intermediate component To" another part.
  • an embodiment of the present invention provides a display panel 100.
  • the display panel 100 includes a display area 110.
  • the display area 110 includes a transparent display area 111 and a non-transparent display area 112.
  • the non-transparent display area 112 surrounds the transparent display area 111.
  • the display panel 100 further includes a first substrate layer 10, a light emitting layer 40, a liquid crystal layer 50, a first driving layer 60 and a second driving layer 70.
  • the light-emitting layer 40 is disposed on the first substrate layer 10 and has a first through hole 41, and the first through hole 41 corresponds to the transparent display area 111.
  • the first through hole 41 is used to provide a lighting channel for the camera 200.
  • the light-emitting layer 40 is composed of several pixel units, and the pixel units include a red pixel unit, a green pixel unit, and a blue pixel unit.
  • the red pixel units, the green pixel units, and the blue pixel units are arranged in an array to form the light-emitting layer 40.
  • the colors of adjacent pixel units are different, and the pixel units are composed of corresponding colors.
  • the organic electroluminescent device is composed to emit the desired color.
  • the light-emitting layer 40 realizes color imaging through the cooperation of several pixel units, and the non-transparent display area 112 of the display panel 100 realizes the display of images through the light-emitting layer 40.
  • the liquid crystal layer 50 is disposed on the light-emitting layer 40, and the liquid crystal layer 50 is filled with scattering type liquid crystal.
  • the scattering type liquid crystal can be changed by external conditions such as electric field, voltage, current, frequency, etc., to make it liquid crystal.
  • the disordered movement of the molecules causes changes in the ordering and refractive index of the liquid crystal molecules in the liquid crystal layer 50, so that the incident light incident into the liquid crystal layer 50 is scattered.
  • the liquid crystal layer 50 realizes the display of images in the transparent display area 111 through the scattering liquid crystal.
  • the first driving layer 60 is provided between the first substrate layer 10 and the light-emitting layer 40.
  • the first driving layer 60 corresponds to the non-transparent display area 112, which is an organic electroluminescence driving circuit.
  • the first driving layer 60 is used to provide driving signals for the light-emitting layer 40 to control the display image of the non-transparent display area 112.
  • the second driving layer 70 is disposed between the first substrate layer 10 and the light-emitting layer 40, the first driving layer 60 surrounds the second driving layer 70, and the second driving layer 70 corresponds to The transparent display area 111.
  • the material of the second driving layer 70 is indium tin oxide (ITO).
  • the second driving layer 70 is a field timing driving circuit, which may also be one of driving circuits such as a coplanar switching driving circuit, a vertically aligned liquid crystal driving circuit, and a twisted nematic liquid crystal driving circuit.
  • the second driving layer 70 is used to provide driving signals for the liquid crystal layer 50 and some organic electroluminescent devices around the transparent display area 111 to control the display image of the transparent display area 111.
  • the second driving layer 70 drives the liquid crystal layer 50 to realize the transparent state of the transparent display area 111 and provide a lighting channel for the camera 200 and other devices.
  • the second driving layer 70 drives the liquid crystal layer 50, so as to realize the image display of the transparent display area 111.
  • the liquid crystal layer 50 needs to filter, convert, and analyze the light through a polarizer, so as to realize the display of the picture.
  • the polarizer has a low light transmittance and cannot transmit external light
  • the liquid crystal layer 50 removes the structure of the polarizer in the prior art, and the second driving layer 70 has a high aperture ratio, so the light can easily pass through the second driving layer 70 and enter the next layer of structure .
  • the display panel 100 further includes a second substrate layer 20 and a sealant layer 30.
  • the second substrate layer 20 is disposed on the liquid crystal layer 50.
  • the sealant layer 30 is perpendicular to the edges of the first substrate layer 10 and the second substrate layer 20 and surrounds the first driving layer 60, the light emitting layer 40 and the liquid crystal layer 50.
  • the first substrate layer 10, the second substrate layer 20, and the sealant layer 30 enclose a sealed chamber, which protects the devices in the display panel 100 in the chamber, and protects them from external water. Oxygen isolation prevents water and oxygen from corroding each display device and prolongs the service life of the display panel 100.
  • An embodiment of the present invention also provides a display device 1000, which includes the above-mentioned display panel 100, and a camera 200 disposed on a side of the display panel 100 close to the first substrate layer 10 , And correspond to the transparent display area 111.
  • the size of the camera 200 can be adjusted according to the size of the transparent display area 111 to further optimize the space occupied by the camera 200.
  • the display device 1000 has a full-screen display effect, and it can be any product or component with a display function such as a mobile phone, a tablet computer, a notebook computer, etc.
  • a display panel 100 and a display device 1000 are provided.
  • the display panel 100 divides its display area 110 into a transparent display area 111 and a non-transparent display area 112.
  • the non-transparent display area 112 is a conventional display area and uses organic electroluminescence display technology.
  • the display technology used in the transparent display area 111 is a liquid crystal display technology.
  • the display panel 100 and the display device 1000 in the embodiment of the present invention combine liquid crystal display technology and organic electroluminescence display technology, and use liquid crystal display technology to realize the display and light transmission of the transparent display area 111 corresponding to the camera 200. Function to eliminate the influence of the camera 200 on the display panel 100, thereby promoting the screen-to-body ratio of the display panel 100 to reach 100%, realizing a true full-screen display, and improving the aesthetics of the display device 1000, Improve user experience.
  • an embodiment of the present invention provides a display panel 100.
  • the display panel 100 includes a display area 110.
  • the display area 110 includes a transparent display area 111 and a non-transparent display area 112.
  • the non-transparent display area 112 surrounds the transparent display area 111.
  • the display panel 100 further includes a first substrate layer 10, a light emitting layer 40, a liquid crystal layer 50, a first driving layer 60 and a second driving layer 70.
  • the light-emitting layer 40 is disposed on the first substrate layer 10 and has a first through hole 41, and the first through hole 41 corresponds to the transparent display area 111.
  • the first through hole 41 is used to provide a lighting channel for the camera 200.
  • the light-emitting layer 40 is composed of several pixel units, and the pixel units include a red pixel unit, a green pixel unit, and a blue pixel unit.
  • the red pixel units, the green pixel units, and the blue pixel units are arranged in an array to form the light-emitting layer 40.
  • the colors of adjacent pixel units are different, and the pixel units are composed of corresponding colors.
  • the organic electroluminescent device is composed to emit the desired color.
  • the light-emitting layer 40 realizes color imaging through the cooperation of several pixel units, and the non-transparent display area 112 of the display panel 100 realizes the display of images through the light-emitting layer 40.
  • the liquid crystal layer 50 is disposed on the light-emitting layer 40, and the liquid crystal layer 50 is filled with scattering type liquid crystal.
  • the scattering type liquid crystal can be changed by external conditions such as electric field, voltage, current, frequency, etc., to make it liquid crystal.
  • the disordered movement of the molecules causes changes in the ordering and refractive index of the liquid crystal molecules in the liquid crystal layer 50, so that the incident light incident into the liquid crystal layer 50 is scattered.
  • the liquid crystal layer 50 realizes the display of images in the transparent display area 111 through the scattering liquid crystal.
  • the first driving layer 60 is disposed between the first substrate layer 10 and the light-emitting layer 40, and has a second through hole 61, and the through hole corresponds to the transparent display area 111.
  • the first driving layer 60 corresponds to the non-transparent display area 112, which is an organic electroluminescence driving circuit.
  • the first driving layer 60 is used to provide driving signals for the light-emitting layer 40 to control the display image of the non-transparent display area 112.
  • the second driving layer 70 is disposed on a side of the liquid crystal layer 50 away from the light emitting layer 40, and the second driving layer 70 corresponds to the transparent display area 111.
  • the material of the second driving layer 70 is indium tin oxide (ITO).
  • the second driving layer 70 is a vertically aligned liquid crystal driving circuit, which may also be one of driving circuits such as a twisted nematic liquid crystal driving circuit, a field timing driving circuit, and a coplanar conversion driving circuit.
  • the second driving layer 70 is used to provide driving signals for the liquid crystal layer 50 to control the display image of the transparent display area 111.
  • the second driving layer 70 drives the liquid crystal layer 50 to realize the transparent state of the transparent display area 111 and provide a lighting channel for the camera 200 and other devices.
  • the second driving layer 70 drives the liquid crystal layer 50, so as to realize the image display of the transparent display area 111.
  • the liquid crystal layer 50 needs to filter, convert, and analyze the light through a polarizer, so as to realize the display of the picture.
  • the polarizer has a low light transmittance and cannot transmit external light
  • the liquid crystal layer 50 removes the structure of the polarizer in the prior art, and the second driving layer 70 has a high aperture ratio, so the light can easily pass through the second driving layer 70 and enter the next layer of structure .
  • the display panel 100 further includes a second substrate layer 20 and a sealant layer 30.
  • the second substrate layer 20 is disposed on the liquid crystal layer 50.
  • the sealant layer 30 is perpendicular to the edges of the first substrate layer 10 and the second substrate layer 20 and surrounds the first driving layer 60, the light emitting layer 40 and the liquid crystal layer 50.
  • the first substrate layer 10, the second substrate layer 20, and the sealant layer 30 enclose a sealed chamber, which protects the devices in the display panel 100 in the chamber, and protects them from external water. Oxygen isolation prevents water and oxygen from corroding each display device and prolongs the service life of the display panel 100.
  • An embodiment of the present invention also provides a display device 1000, which includes the above-mentioned display panel 100, and a camera 200 disposed on a side of the display panel 100 close to the first substrate layer 10 , And correspond to the transparent display area 111.
  • the size of the camera 200 can be adjusted according to the size of the transparent display area 111 to further optimize the space occupied by the camera 200.
  • the display device 1000 has a full-screen display effect, and it can be any product or component with a display function such as a mobile phone, a tablet computer, a notebook computer, etc.
  • a display panel 100 and a display device 1000 are provided.
  • the display panel 100 divides its display area 110 into a transparent display area 111 and a non-transparent display area 112.
  • the non-transparent display area 112 is a conventional display area and uses organic electroluminescence display technology.
  • the display technology used in the transparent display area 111 is a liquid crystal display technology.
  • the display panel 100 and the display device 1000 in the embodiment of the present invention combine liquid crystal display technology and organic electroluminescence display technology, and use liquid crystal display technology to realize the display and light transmission of the transparent display area 111 corresponding to the camera 200. Function to eliminate the influence of the camera 200 on the display panel 100, thereby promoting the screen-to-body ratio of the display panel 100 to reach 100%, realizing a true full-screen display, and improving the aesthetics of the display device 1000, Improve user experience.
  • the transparent display area 111 is circular in FIG. 1, but in other embodiments of the present invention, the transparent display area 111 may also be a "U" shape, a square shape, a drop shape, etc.
  • the shape and the layered structure are similar to those of the display panel 100 and the display device 1000 in this embodiment, so they will not be repeated here. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
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Abstract

一种显示面板(100)及显示装置(1000),显示面板(100)包括显示区(110),显示区(110)具有一透明显示区(111)和围绕透明显示区(111)的非透明显示区(112)。显示面板(100)还包括第一基板层(10)、发光层(40)、液晶层(50)以及第一驱动层(60)和第二驱动层(70)。通过结合有机电致显示技术和液晶显示技术,将显示面板(100)分为透明显示区(111)和非透明显示区(112),透明显示区(111)既可以为摄像头(200)提供采光通道,又可以实现画面显示,从而提高屏占比,实现真正的全面屏显示。

Description

显示面板及显示装置 技术领域
本发明涉及显示领域,特别是一种显示面板及显示装置。
背景技术
手机、平板电脑等智能终端由于其集便利性、娱乐性、功能多样性于一体的特点,越来越成为人们日常生活中不可获缺的一部分,但是,随着显示技术的不断发展,更多更先进的技术在智能终端上的应用,大大地丰富了人们的生活;但是,与此同时,人们对智能终端的要求和期望也越来越高,人们在享受手机、平板电脑等智能终端带来的基础性功能的同时,也对智能终端提出了更高的要求,如智能终端的全面屏设计。
全面屏技术,是显示业界对于超高屏占比手机设计的一个比较宽泛的定义。从字面上解释就是手机的正面全部都是屏幕,手机的显示界面被屏幕完全覆盖,手机的四个边框位置都是采用无边框设计,追求接近100%的超高屏占比。但受限于前置摄像头、听筒、距离传感器和光线传感器等其他手机不可或缺的基本功能需要,目前,移动显示装置的屏幕上方都需要留有一定缺口来安置上述功能部件,业界宣称的全面屏显示暂时只是超高屏占比的显示装置,并没有能做到屏占比为100%的显示装置,即所谓的“刘海屏”、“水滴屏”,影响了终端智能终端的整体美观度。或者,现有技术中还有通过其他机械结构来放置一些基本功能部件,例如通过升降摄像头等结构来实现全面屏显示,但具有升降摄像头的显示装置具有不防水、使用寿命低,易损坏等缺点,用户体验感较低。因此,现有技术中需要一种能够进一步较小或消除摄像头对屏占比的影响并提升屏占比的技术方案。
技术问题
本发明的目的是提供一种显示面板及显示装置,将有机电致显示(Organic Light-Emitting Diode,OLED)和液晶显示(Liquid Crystal Display,LCD)结合,以解决现有技术中移动显示装置的屏占比无法达到100%,无法实现真正的全面屏,整体美观度不佳等问题。
技术解决方案
为实现上述目的,本发明提供一种所述显示面板包括显示区,所述显示区具有一透明显示区和围绕所述透明显示区的非透明显示区。
在所述显示区,所述显示面板还包括第一基板层、发光层、液晶层以及第一驱动层和第二驱动层。所述发光层设于所述第一基板层上方,所述发光层中具有一第一通孔,所述第一通孔对应于所述透明显示区。所述液晶层设于所述发光层上方。
所述第一驱动层设于所述第一基板层和所述发光层之间。所述第二驱动层设于所述第一基板层和所述发光层之间或设于所述液晶层上。所述第一驱动层对应于所述非透明显示区,用以为所述非透明显示区提供驱动信号。所述第二驱动层对应于所述透明显示区,用以为所述透明显示区提供驱动信号。
进一步地,所述液晶层填充有散射型液晶。
进一步地,所述第一驱动层为有机电致发光驱动电路。
进一步地,所述第二驱动层为场时序驱动电路、共面转换驱动电路、垂直排列液晶驱动电路、扭曲向列液晶驱动电路中的一种。
进一步地,所述发光层排布有若干有机电致发光器件。
进一步地,所述第二驱动层的材料为氧化铟锡。
进一步地,所述显示面板还包括第二基板层和框胶层。所述第二基板层设于所述液晶层上。所述框胶层垂直于所述第一基板层和所述第二基板层的边缘,并围绕所述第一驱动层、所述发光层和所述液晶层。
进一步地,当所述第二驱动层设于所述第一基板层和所述发光层之间时,所述第一驱动层围绕所述第二驱动层。当所述第二驱动层设于所述液晶层上时,所述第一驱动层具有一第二通孔,所述第二通孔对应于所述透明显示区。
本发明中还提供一种显示装置,包括如上所述的显示面板。
进一步地,所述显示装置还包括一摄像头,设于所述显示面板靠近所述第一基板层的一面上,并与所述透明显示区相互对应。
有益效果
本发明的优点是:本发明的一种显示面板及显示装置,通过结合有机电致显示技术和液晶显示技术,将所述显示面板分为透明显示区和非透明显示区。当所述摄像头开启时,所述透明显示区为透明状态,可以为所述摄像头提供采光通道。当所述摄像头关闭时,所述透明显示区可以正常显示画面,从而提高屏占比,实现真正的全面屏显示,减小摄像头等屏下器件对所述显示面板的影响,提高显示面装置的整体美观度,提升用户的使用感受。
附图说明
为了更清楚地说明本发明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发明的一些实施例,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为本发明实施例1或2中显示面板的主视图;
图2为本发明实施例1中显示面板的部分部件示意图;
图3为本发明实施例1中显示面板的层状结构示意图;
图4为本发明实施例2中显示面板的部分部件示意图;
图5为本发明实施例2中显示面板的层状结构示意图。
图中部件表示如下:
显示面板100;显示区110;
透明显示区111;非透明显示区112;
第一基板层10;第二基板层20;
框胶层30;发光层40;
第一通孔41;液晶层50;
第一驱动层60;第二通孔61;
第二驱动层70;摄像头200;
显示装置1000。
本发明的实施方式
以下参考说明书附图介绍本发明的优选实施例,证明本发明可以实施,所述发明实施例可以向本领域中的技术人员完整介绍本发明,使其技术内容更加清楚和便于理解。本发明可以通过许多不同形式的发明实施例来得以体现,本发明的保护范围并非仅限于文中提到的实施例。
在附图中,结构相同的部件以相同数字标号表示,各处结构或功能相似的组件以相似数字标号表示。附图所示的每一部件的尺寸和厚度是任意示出的,本发明并没有限定每个组件的尺寸和厚度。为了使图示更清晰,附图中有些地方适当夸大了部件的厚度。
此外,以下各发明实施例的说明是参考附加的图示,用以例示本发明可用以实施的特定发明实施例。本发明中所提到的方向用语,例如,“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”、“侧面”等,仅是参考附加图式的方向,因此,使用的方向用语是为了更好、更清楚地说明及理解本发明,而不是指示或暗指所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”、“第三”等仅用于描述目的,而不能理解为指示或暗示相对重要性。
当某些部件被描述为“在”另一部件“上”时,所述部件可以直接置于所述另一部件上;也可以存在一中间部件,所述部件置于所述中间部件上,且所述中间部件置于另一部件上。当一个部件被描述为“安装至”或“连接至”另一部件时,二者可以理解为直接“安装”或“连接”,或者一个部件通过一中间部件间接“安装至”、或“连接至”另一个部件。
实施例1
如图1所示,本发明实施例中提供了一种显示面板100,所述显示面板100包括显示区110,所述显示区110包括一透明显示区111和一非透明显示区112,所述非透明显示区112围绕所述透明显示区111。
如图2所示,在所述显示区110内,所述显示面板100还包括一第一基板层10、一发光层40、一液晶层50以及第一驱动层60、第二驱动层70。
所述发光层40设于所述第一基板层10上,其具有一第一通孔41,所述第一通孔41与所示透明显示区111对应。所述第一通孔41用于为所述摄像头200提供采光通道。所述发光层40上由若干像素单元组成,所述像素单元包括红色像素单元、绿色像素单元以及蓝色像素单元。所述红色像素单元、所述绿色像素单元以及所述蓝色像素单元依次阵列排布形成所述发光层40,相邻的所述像素单元间的颜色不相同,所述像素单元由对应颜色的有机电致发光器件组成,从而发出所需颜色。所述发光层40通过若干所述像素单元的合作实现彩色呈像,所述显示面板100的非透明显示区112通过所述发光层40实现画面的显示。
所述液晶层50设于所述发光层40上,所述液晶层50内填充有散射型液晶,所述散射型液晶可以通过电场、电压、电流、频率等外在条件的改变从而使其液晶分子产生紊乱运动,使得所述液晶层50内液晶分子的排序和折射率产生变化,从而使入射到液晶层50内的入射光发生散射。所述液晶层50通过所述散射型液晶在所述透明显示区111内实现画面的显示。
所述第一驱动层60设于所述第一基板层10和所述发光层40之间。所述第一驱动层60对应于所述非透明显示区112,其为有机电致发光驱动电路。所述第一驱动层60用于为所述发光层40提供驱动信号,控制所述非透明显示区112的显示画面。
所述第二驱动层70设于所述第一基板层10和所述发光层40之间,所述第一驱动层60围绕所述第二驱动层70,所述第二驱动层70对应于所述透明显示区111。所述第二驱动层70的材料为氧化铟锡(ITO)。在本发明实施例中,所述第二驱动层70为场时序驱动电路,其还可以为共面转换驱动电路、垂直排列液晶驱动电路和扭曲向列液晶驱动电路等驱动电路中的一种。所述第二驱动层70用于为所述液晶层50以及所述透明显示区111周围的部分有机电致发光器件提供驱动信号,控制所述透明显示区111的显示画面。当需要实现局部透明时,所述第二驱动层70驱动所述液晶层50,从而实现所述透明显示区111的透明态,给摄像头200等器件提供采光通道。当所述摄像头200等器件关闭时,所述第二驱动层70驱动所述液晶层50,从而实现所述透明显示区111的画面显示。
在现有技术中,液晶层50需要通过偏光片将光线进行过滤、转换和解析,从而实现画面的显示,但是由于偏光片透光率低,无法透过外部光线,故在本发明实施例中,所述液晶层50除去了现有技术中偏光片的结构,并且所述第二驱动层70具有高开口率,所以光线可以轻松穿过所述第二驱动层70,进入下一层结构中。
如图3所示,所述显示面板100中还包括一第二基板层20和一框胶层30。所述第二基板层20设于所述液晶层50上。所述框胶层30垂直于所述第一基板层10和所述第二基板层20的边缘,并围绕所述第一驱动层60、所述发光层40和所述液晶层50。所述第一基板层10、所述第二基板层20和所述框胶层30围成一密封腔室,将所述显示面板100中的器件保护于所述腔室内,并与外界的水氧隔绝,防止水氧对各显示器件的腐蚀侵害,延长所述显示面板100的使用寿命。
本发明实施例中还提供一种显示装置1000,其包括以上所述的显示面板100,以及一摄像头200,所述摄像头200设于所述显示面板100靠近所述第一基板层10的一面上,且与所述透明显示区111相互对应。所述摄像头200的大小可根据所述透明显示区111的大小进行调整,进一步优化所述摄像头200占用空间。所述显示装置1000具有全面屏显示效果,其可以为手机、平板电脑、笔记本电脑等任何具有显示功能的产品或者部件。
本发明实施例中提供一种显示面板100及显示装置1000。所述显示面板100将其显示区110分为透明显示区111和非透明显示区112。所述非透明显示区112为常规显示区,使用有机电致发光显示技术。所述透明显示区111使用的显示技术为液晶显示技术。当所述摄像头200开启时,所述透明显示区111为透明状态,可以为所述摄像头200提供采光通道。当所述摄像头200关闭时,所述透明显示区111可以正常显示画面。本发明实施例中的显示面板100及显示装置1000通过将液晶显示技术和有机电致发光显示技术结合,使用液晶显示技术实现与所述摄像头200所对应的透明显示区111的显示和透光双功能,消除了所述摄像头200对所述显示面板100的影响,从而促使所述显示面板100的屏占比能够达到100%,实现真正的全面屏显示,提高所述显示装置1000的美观度,提升用户的使用感受。
实施例2
如图1所示,本发明实施例中提供了一种显示面板100,所述显示面板100包括显示区110,所述显示区110包括一透明显示区111和一非透明显示区112,所述非透明显示区112围绕所述透明显示区111。
如图4所示,在所述显示区110内,所述显示面板100还包括一第一基板层10、一发光层40、一液晶层50以及第一驱动层60、第二驱动层70。
所述发光层40设于所述第一基板层10上,其具有一第一通孔41,所述第一通孔41与所示透明显示区111对应。所述第一通孔41用于为所述摄像头200提供采光通道。所述发光层40上由若干像素单元组成,所述像素单元包括红色像素单元、绿色像素单元以及蓝色像素单元。所述红色像素单元、所述绿色像素单元以及所述蓝色像素单元依次阵列排布形成所述发光层40,相邻的所述像素单元间的颜色不相同,所述像素单元由对应颜色的有机电致发光器件组成,从而发出所需颜色。所述发光层40通过若干所述像素单元的合作实现彩色呈像,所述显示面板100的非透明显示区112通过所述发光层40实现画面的显示。
所述液晶层50设于所述发光层40上,所述液晶层50内填充有散射型液晶,所述散射型液晶可以通过电场、电压、电流、频率等外在条件的改变从而使其液晶分子产生紊乱运动,使得所述液晶层50内液晶分子的排序和折射率产生变化,从而使入射到液晶层50内的入射光发生散射。所述液晶层50通过所述散射型液晶在所述透明显示区111内实现画面的显示。
所述第一驱动层60设于所述第一基板层10和所述发光层40之间,其具有一第二通孔61,所述通孔对应于所述透明显示区111。所述第一驱动层60对应于所述非透明显示区112,其为有机电致发光驱动电路。所述第一驱动层60用于为所述发光层40提供驱动信号,控制所述非透明显示区112的显示画面。
所述第二驱动层70设于所述液晶层50远离所述发光层40的一面上,所述第二驱动层70对应于所述透明显示区111。所述第二驱动层70的材料为氧化铟锡(ITO)。在本发明实施例中,所述第二驱动层70为垂直排列液晶驱动电路,其还可以为扭曲向列液晶驱动电路、场时序驱动电路、共面转换驱动电路等驱动电路中的一种。所述第二驱动层70用于为所述液晶层50提供驱动信号,控制所述透明显示区111的显示画面。当需要实现局部透明时,所述第二驱动层70驱动所述液晶层50,从而实现所述透明显示区111的透明态,给摄像头200等器件提供采光通道。当所述摄像头200等器件关闭时,所述第二驱动层70驱动所述液晶层50,从而实现所述透明显示区111的画面显示。
在现有技术中,液晶层50需要通过偏光片将光线进行过滤、转换和解析,从而实现画面的显示,但是由于偏光片透光率低,无法透过外部光线,故在本发明实施例中,所述液晶层50除去了现有技术中偏光片的结构,并且所述第二驱动层70具有高开口率,所以光线可以轻松穿过所述第二驱动层70,进入下一层结构中。
如图5所示,所述显示面板100中还包括一第二基板层20和一框胶层30。所述第二基板层20设于所述液晶层50上。所述框胶层30垂直于所述第一基板层10和所述第二基板层20的边缘,并围绕所述第一驱动层60、所述发光层40和所述液晶层50。所述第一基板层10、所述第二基板层20和所述框胶层30围成一密封腔室,将所述显示面板100中的器件保护于所述腔室内,并与外界的水氧隔绝,防止水氧对各显示器件的腐蚀侵害,延长所述显示面板100的使用寿命。
本发明实施例中还提供一种显示装置1000,其包括以上所述的显示面板100,以及一摄像头200,所述摄像头200设于所述显示面板100靠近所述第一基板层10的一面上,且与所述透明显示区111相互对应。所述摄像头200的大小可根据所述透明显示区111的大小进行调整,进一步优化所述摄像头200占用空间。所述显示装置1000具有全面屏显示效果,其可以为手机、平板电脑、笔记本电脑等任何具有显示功能的产品或者部件。
本发明实施例中提供一种显示面板100及显示装置1000。所述显示面板100将其显示区110分为透明显示区111和非透明显示区112。所述非透明显示区112为常规显示区,使用有机电致发光显示技术。所述透明显示区111使用的显示技术为液晶显示技术。当所述摄像头200开启时,所述透明显示区111为透明状态,可以为所述摄像头200提供采光通道。当所述摄像头200关闭时,所述透明显示区111可以正常显示画面。本发明实施例中的显示面板100及显示装置1000通过将液晶显示技术和有机电致发光显示技术结合,使用液晶显示技术实现与所述摄像头200所对应的透明显示区111的显示和透光双功能,消除了所述摄像头200对所述显示面板100的影响,从而促使所述显示面板100的屏占比能够达到100%,实现真正的全面屏显示,提高所述显示装置1000的美观度,提升用户的使用感受。
在本实施例中,所述透明显示区111在图1中为圆形,但是在本发明的其他实施例中,所述透明显示区111还可以为 “U”形、方形、水滴形等其他形状,其层状结构与本实施例中的所述显示面板100及显示装置1000相似,因此不在此做过多赘述。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其它实施例,都属于本申请保护的范围。
虽然在本文中参照了特定的实施方式来描述本发明,但是应该理解的是,这些实施例仅仅是本发明的原理和应用的示例。因此应该理解的是,可以对示例性的实施例进行许多修改,并且可以设计出其他的布置,只要不偏离所附权利要求所限定的本发明的精神和范围。应该理解的是,可以通过不同于原始权利要求所描述的方式来结合不同的从属权利要求和本文中所述的特征。还可以理解的是,结合单独实施例所描述的特征可以使用在其他所述实施例中。

Claims (10)

  1.   一种显示面板,其包括显示区,所述显示区具有一透明显示区和围绕所述透明显示区的非透明显示区;
    在所述显示区,所述显示面板还包括:
    第一基板层;
    发光层,设于所述第一基板层上方,所述发光层中具有一第一通孔,所述第一通孔对应于所述透明显示区;
    液晶层,设于所述发光层上方;
    第一驱动层,设于所述第一基板层和所述发光层之间;
    第二驱动层,设于所述第一基板层和所述发光层之间,或设于所述液晶层上;
    所述第一驱动层对应于所述非透明显示区,用以为所述非透明显示区提供驱动信号;
    所述第二驱动层对应于所述透明显示区,用以为所述透明显示区提供驱动信号。
  2.   如权利要求1所述的显示面板,其中,所述液晶层填充有散射型液晶。
  3.   如权利要求1所述的显示面板,其中,所述第一驱动层为有机电致发光驱动电路。
  4.   如权利要求1所述的显示面板,其中,所述第二驱动层为场时序驱动电路、共面转换驱动电路、垂直排列液晶驱动电路、扭曲向列液晶驱动电路中的一种。
  5.   如权利要求1所述的显示面板,其中,所述发光层排布有若干有机电致发光器件。
  6.   如权利要求1所述的显示面板,其中,所述第二驱动层的材料为氧化铟锡。
  7.   如权利要求1所述的显示面板,其中,还包括:
    第二基板层,设于所述液晶层上;
    框胶层,垂直于所述第一基板层和所述第二基板层的边缘,并围绕所述第一驱动层、所述发光层和所述液晶层。
  8.   如权利要求1所述的显示面板,其中,
    当所述第二驱动层设于所述第一基板层和所述发光层之间时,所述第一驱动层围绕所述第二驱动层;
    当所述第二驱动层设于所述液晶层上时,所述第一驱动层具有一第二通孔,所述第二通孔对应于所述透明显示区。
  9.   一种显示装置,其包括如权利要求1中所述的显示面板。
  10. 如权利要求9所述的显示装置,其中,还包括一摄像头,设于所述显示面板靠近所述第一基板层的一面上,并与所述透明显示区相互对应。
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