WO2020192370A1 - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
WO2020192370A1
WO2020192370A1 PCT/CN2020/077687 CN2020077687W WO2020192370A1 WO 2020192370 A1 WO2020192370 A1 WO 2020192370A1 CN 2020077687 W CN2020077687 W CN 2020077687W WO 2020192370 A1 WO2020192370 A1 WO 2020192370A1
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WO
WIPO (PCT)
Prior art keywords
light source
area
display
source block
display panel
Prior art date
Application number
PCT/CN2020/077687
Other languages
English (en)
French (fr)
Inventor
梅新东
侯少军
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
Priority claimed from CN201910232120.7A external-priority patent/CN110007501A/zh
Priority claimed from CN201910239505.6A external-priority patent/CN109901327A/zh
Priority claimed from CN201910449306.8A external-priority patent/CN110187559A/zh
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 US16/763,568 priority Critical patent/US11163194B2/en
Publication of WO2020192370A1 publication Critical patent/WO2020192370A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/34—Control 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
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133612—Electrical details
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133613—Direct backlight characterized by the sequence of light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0232—Special driving of display border areas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness

Definitions

  • the present invention relates to the field of display technology, in particular to a display panel and a display device.
  • the screen-to-body ratio is used to indicate the relative ratio of the screen and the front panel area of the mobile phone, which reflects the user's visual experience of the mobile device. How to achieve a display effect of 100% screen-to-body ratio is an urgent problem in the industry.
  • Another full-screen solution is to implement electronic components such as the front camera on a separate mechanical module as an independently controlled component, which is hidden inside the fuselage by default.
  • the camera will Automatically pop up or slide out manually in response to instructions from the system, which is the so-called “pop-up” or “sliding cover” design.
  • the mechanical structure due to the mechanical structure, the camera has a slow pop-up time, and its opening speed lags behind the traditional camera.
  • the mechanical structure is affected by the assembly process, there is a gap between the pop-up function module and the display panel body, which is easy to Invaded by external powder and dust, it cannot achieve good waterproof and dustproof.
  • the pop-up design has a high failure rate in its mechanical structure, and the sliding cover design is prone to the problem of cable damage caused by excessive artificial force. The solution still affects the user experience of the product.
  • the present application provides a display panel and a display device to realize a full-screen display without destroying the integrity of the screen and introducing a new mechanical structure.
  • the present application provides a display panel, the display panel including:
  • a display unit comprising a main display area and a function additional area, at least a part of the function additional area is surrounded by the main display area; the main display area is a normal display area, and the function additional area is a transparent display area;
  • the backlight module includes a first light source block that provides a light source for the main display area and a second light source block that provides a light source for the function additional area.
  • a first through hole penetrates through the backlight module, the first through hole corresponds to the additional functional area, and the second light source block is disposed close to the first through hole.
  • the distance between the second light source block and the first through hole is smaller than the distance between the first light source block and the first through hole.
  • the function additional area is located at the edge of the display unit, and the second light source block is located at the side of the first through hole and close to the function additional area.
  • the present application also provides a display panel, the display panel including:
  • a display unit comprising a main display area and a function additional area, at least a part of the function additional area is surrounded by the main display area;
  • the backlight module includes a first light source block that provides a light source for the main display area and a second light source block that provides a light source for the function additional area.
  • a first through hole penetrates through the backlight module, the first through hole corresponds to the additional functional area, and the second light source block is disposed close to the first through hole.
  • the distance between the second light source block and the first through hole is smaller than the distance between the first light source block and the first through hole.
  • the function additional area is located at the edge of the display unit, and the second light source block is located at the side of the first through hole and close to the function additional area.
  • the backlight module includes a backlight plate, the first through hole is provided on the backlight plate, and the first light source block is provided on the backlight plate near the edge of the display unit. One side.
  • the second light source block is arranged around the first through hole.
  • the second light source block includes a light board and at least one light source arranged on the light board.
  • a plurality of light sources are provided on the light board, and the plurality of light sources are distributed around the first through hole.
  • the light source is LED or Mini LED lamp beads.
  • the second light source block includes a ring-shaped light source arranged around the first through hole.
  • the additional function area is used to set electronic components correspondingly, and when the electronic components are not working, the second light source block provides a light source for the additional function area so that the main display area is All the function additional areas mentioned above display pictures.
  • the display unit is arranged on the backlight module; the display unit includes a first substrate and a second substrate arranged oppositely, and a liquid crystal arranged between the first substrate and the second substrate.
  • the display unit further includes a lower polarizer disposed between the first substrate and the backlight module and an upper polarizer disposed on a side of the second substrate away from the liquid crystal layer.
  • the upper polarizer and the lower polarizer are provided with second through holes at the regions corresponding to the function additional area.
  • the light source of the second light source block includes RGB three-color light source, LED or Mini LED lamp beads.
  • the present invention also provides a display device, the display device includes a display panel, and the display panel includes:
  • a display unit comprising a main display area and a function additional area, at least a part of the function additional area is surrounded by the main display area;
  • the backlight module includes a first light source block that provides a light source for the main display area and a second light source block that provides a light source for the function additional area.
  • the display device further includes an electronic element, the electronic element is arranged corresponding to the function additional area of the display panel; when the second light source block is turned on, the electronic element does not work, the Both the function additional area and the main display area display pictures; when the second light source block is turned off, the electronic components work, and the function additional area does not display pictures.
  • the additional function area By setting the additional function area in the area opposite to the electronic components, the additional function area can be switched between the transparent state and the screen display state according to the requirements, which can be realized without destroying the integrity of the screen and introducing new mechanical structures. A full-screen display effect is realized, and the position of the second light source block that provides illumination for the additional function area is designed so that the additional function area has a good display and light transmission function when it is located at any position on the display panel.
  • FIG. 1 is a schematic structural diagram of a display device in Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of the perspective structure of the display device in the second embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the display device in the second embodiment of the invention.
  • FIG. 4 is a schematic diagram of a part of the exploded structure of the display device in the second embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a planar structure of a display device in the third embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a structure of the second backlight area in the third embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a display device in Embodiment 3 of the present invention.
  • FIG. 8 is a schematic diagram of another structure of the second backlight area in the third embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a planar structure of a display device in the fourth embodiment of the present invention.
  • FIG. 10 is a schematic diagram of the structure of the second backlight area in the fourth embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the first structure of the display device in the fourth embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a part of the exploded structure of the display device in the fourth embodiment of the present invention.
  • FIG. 13 is a schematic diagram of a second structure of the display device in the fourth embodiment of the present invention.
  • FIG. 14 is a schematic diagram of the planar structure of the display device in the present invention, in which the function additional area is circular;
  • 15 is a schematic diagram of the planar structure of the display device in the present invention, in which the function additional area is rectangular;
  • 16 is a top view of the display effect of the electronic component of the display device in the open state of the present invention.
  • FIG. 17 is a top view of the display effect of the closed state of the electronic components of the display device in the present invention.
  • a display panel as shown in FIG. 1, the display panel includes a display unit 10 and a backlight module 20.
  • the display unit 10 is arranged on the backlight module 20 for displaying images; the display unit 10 includes a main display area 11 and a function additional area 12, and at least a part of the function additional area 12 is Surrounded by the main display area 11, the main display area 11 is a normal display area, and the function additional area 12 is a transparent display area.
  • the function additional area 12 is used to set the electronic component 30 correspondingly, and when the electronic component 30 is not working, the main display area 11 and the function additional area 12 are both used to display pictures; the electronic component 30 works At this time, the main display area 11 normally displays pictures, and the function additional area 12 does not display pictures. At this time, the function additional area 12 is in a transparent state to provide a lighting channel for the electronic component 30 to realize the function of the electronic component 30 .
  • the main display area 11 and the function additional area 12 can display one screen together, or can display different screens respectively.
  • the display unit 10 of the present invention may be a liquid crystal display unit.
  • the backlight module 20 includes a first light source block 41 that provides a light source for the main display area 11 and a second light source block 42 that provides a light source for the function additional area 12.
  • the first light source block 41 and the second light source block 42 independently provide light sources for the main display area 11 and the function additional area 12 respectively.
  • the main display area 11 and the function additional area 12 can display pictures at the same time, and it can be realized that when the main display area 11 is normally displayed, the function additional area 12 does not display pictures.
  • both the first light source block 41 and the second light source block 42 may be RGB three-color color light sources, LEDs or Mini LED lamp beads.
  • the backlight module 20 is provided with a first through hole 23 corresponding to the function additional area 12, and the first through hole 23 penetrates the backlight module 20 to provide an electronic component 30 corresponding to the function additional area 12 Lighting channel.
  • the second light source block 42 When the electronic component 30 is not working, the second light source block 42 provides a light source for the function additional area 12, so that the main display area 11 and the function additional area 12 display pictures together; when the electronic component 30 is working , The second light source block 42 is closed, the function addition area 12 does not display the picture, and the first through hole 23 is used to provide a lighting channel for the electronic component 30.
  • the second light source block 42 is arranged close to the first through hole 23.
  • the display unit 10 includes a first substrate 13 and a second substrate 14 disposed opposite to each other, and a liquid crystal layer 15 disposed between the first substrate 13 and the second substrate 14.
  • the first substrate 13 may be an array substrate, and the second substrate 14 may be a color filter substrate.
  • the liquid crystal layer 15 includes a first liquid crystal layer 151 and a second liquid crystal layer 152 of different materials, the first liquid crystal layer 151 is disposed at the main display area 11, and the second liquid crystal layer 152 is correspondingly arranged at the function additional area 12. Specifically, the first liquid crystal layer 151 is disposed on the other area of the display unit 10 excluding the function addition area 12.
  • the first liquid crystal layer 151 may be a common liquid crystal in the prior art, and the first liquid crystal layer 151 includes a plurality of liquid crystal molecules, and the liquid crystal molecules include biphenyl liquid crystal and phenylcyclohexane liquid crystal. Or ester liquid crystal.
  • the material of the second liquid crystal layer 152 includes a scattering type liquid crystal; the scattering type liquid crystal includes a plurality of liquid crystal molecules and a polymer, which can switch between a transparent state and a screen display state, and the polymer may be an ionic organic electrolyte material.
  • the first liquid crystal layer 151 (that is, ordinary liquid crystal) rotates liquid crystal molecules after voltage is applied to control the transmittance of light to achieve grayscale display;
  • the second liquid crystal layer 152 (that is, the scattering type liquid crystal) has some These polymers have different refractive indexes.
  • the surface of the liquid crystal and the polymer is controlled by voltage to produce a refractive index difference, so that light can pass through or scatter on the surfaces of the two, so it can achieve a transparent state or a foggy state. In the transparent state, light can be transmitted, and the light can be scattered in the fog state and then used to display the picture.
  • the specific process of the second liquid crystal layer 152 is as follows: the liquid crystal and the polymer have the same anisotropic dielectric constant. When no voltage is applied or the voltage is lower than the threshold voltage, the liquid crystal molecules are arranged horizontally, and the inner polymer material There is no difference in refractive index, so no scattering occurs; when the applied voltage is higher than the threshold voltage, the liquid crystal molecules rotate and their directions are aligned along the vertical direction, which changes the anisotropic characteristics of the dielectric constant of the liquid crystal, so in The surface of the liquid crystal and the polymer has a refractive index difference, where the light is scattered and seen by the observer.
  • the display unit 10 further includes upper and lower polarizers 17 arranged between the first substrate 13 and the backlight module 20, and arranged on the side of the second substrate 14 away from the liquid crystal layer 15 The upper polarizer 16.
  • the electronic component 30 includes one or a combination of a camera, a flashlight, a light sensor, a breathing light sensor, a distance sensor, a fingerprint scanner sensor, a microphone sensor, or a transparent antenna sensor.
  • the display unit 10 when the camera is not required to work, the camera is turned off at this time, and the display unit 10 is in a picture display state for picture display, and the first light source block 41 is the main display area 11
  • the display provides a light source
  • the second light source block 42 provides a light source for the display of the function additional area 12.
  • the main display area 11 and the function additional area 12 display pictures together, and the display unit 10 is in a full-screen display state; when the camera needs to work,
  • the first light source block 41 provides a light source for the main display area 11, the main display area is normally displayed, and the second light source block 42 is closed.
  • the second liquid crystal layer 152 of the function additional area 12 is in a transparent state, and external light passes through the function additional area 12 And the first through hole 23 enters the camera to complete the camera work.
  • the function additional area 12 can be switched between the transparent state and the screen display state according to requirements. Under the premise of not destroying the integrity of the screen and introducing a new mechanical structure, a full-screen display effect is achieved.
  • the function additional area 12 can be located at any position on the display unit 10, and the shape of the function additional area 12 is in the shape of a bang, a beauty tip, a drop shape, a circle, a triangle, a rectangle, or a polygon. Any kind.
  • the backlight module 20 further includes a first backlight area 21 for arranging the first light source block 41 and a second backlight area 22 for arranging the second light source block 42, at least a part of the second backlight area 22 Surrounded by the first backlight area 21, the first through hole 23 is located in the second backlight area 22.
  • the orthographic projection of the display unit 10 on the backlight module 20 covers the second backlight area 22, that is, the second light source block 42 is disposed in the orthographic projection of the display unit 10 on the backlight module 20.
  • the orthographic projection of the display unit 10 on the backlight module 20 covers the second backlight area 22, that is, the second light source block 42 is disposed in the orthographic projection of the display unit 10 on the backlight module 20.
  • a display panel as shown in FIGS. 2 to 4, is different from the first embodiment in that the function additional area 12 is located at the edge of the display unit 10, and the second light source block 42 is located at the edge of the display unit 10.
  • the side portion of the first through hole 23 is close to the function additional area 12, so that the second light source block 42 provides lateral light to the function additional area 12 and prevents the second light source block 42 from affecting the function additional area 12
  • the display and light transmittance will affect.
  • the second light source block 42 is located at the side of the display unit 10 and close to the function additional area 12.
  • the backlight module 20 includes a backlight plate 27, the first through hole 23 is provided on the backlight plate 27, and the first light source block 41 is provided on the backlight plate 27 close to the display unit 10. At the edge of the side.
  • the backlight plate 27 may include optical films such as a reflective sheet, a light guide plate, and a diffusion sheet.
  • the first light source block 41 is disposed away from the first through hole 23, and the first light source block 41 includes a white light source to provide a light source for the first liquid crystal layer 151.
  • the second light source block 42 is arranged close to the first through hole 23, and the second light source block 42 includes RGB three-color light sources, which are used to provide the second light source corresponding to the first through-hole 23.
  • the two liquid crystal layers 152 provide light sources to display color images.
  • the distance between the second light source block 42 and the first through hole 23 is smaller than the distance between the first light source block 41 and the first through hole 23.
  • the first light source block 41 and the second light source block 42 are respectively located at two ends of the backlight plate 27.
  • the first light source block 41 may be placed on the bottom end of the backlight plate 27 to provide light
  • the second light source block 42 may be placed on the backlight plate.
  • the top end of the 27 provides light laterally, and the placement of the second light source block 42 on the top of the backlight plate 27 is a preferred way to achieve this objective, and the embodiments of other placement methods are protected by this patent.
  • the upper and lower polarizers 17 and the upper polarizer 16 are provided with second through holes 70 at positions corresponding to the function additional area 12.
  • the upper and lower polarizers 17 and the upper polarizer 16 are respectively located on both sides of the first liquid crystal layer 151, and their function is to provide linearly polarized light and realize the brightness change of the display screen of the first liquid crystal layer 151. . Drill holes at the positions of the upper and lower polarizers 17 and the upper polarizer 16 corresponding to the first through holes 23, that is, the second through holes 70 are provided to form an area with no polarization function to ensure the second The light transmittance of the liquid crystal layer 152 in a transparent state.
  • the area of the first through hole 23 is smaller than the area of the second through hole 70. This arrangement can ensure that the second liquid crystal layer 152 can be fully displayed without being blocked.
  • a display panel as shown in FIGS. 5 to 7, is different from the first embodiment in that the second light source block 42 is arranged around the first through hole 23.
  • the function additional area 12 can be located anywhere on the display unit 10.
  • the function additional area 12 can achieve both shooting effects and display effects.
  • the shape of the function addition area 12 is a circle
  • the electronic component 30 includes a lens 31
  • the shape of the lens 31 is a circle corresponding to the function addition area.
  • the lens 31 is used to obtain light incident to the function addition area 12 so that the camera can realize imaging.
  • the lens 31 is located at the center of the function additional area 12, and the central axis of the lens 31 and the central axis of the function additional area 12 are on the same straight line.
  • the function additional area 12 and the lens 31 are both circular, and the edge of the lens 31 and the edge of the function additional area 12 form a concentric structure.
  • the second backlight area 22 includes a light transmitting area 221 corresponding to the first through hole 23 and a light source area 222 arranged around the light transmitting area 221, and the second light source block 42 is arranged on the In the light source area 222.
  • the light source area 222 has a circular ring shape, is located in the second backlight area 22 and is connected to the first backlight area 21.
  • the light source area 222 includes an inner circular side and an outer circular side, and the outer circular side is connected to the first backlight area 21.
  • the surface of the light source area 222 is silver-plated, the diameter of the inner circle of the light source area 222 corresponds to the diameter of the light-transmitting area 221, and the outer diameter of the light source area 222 corresponds to the size of the circle enclosed by the first backlight area 21 correspond.
  • the second light source block 42 includes a ring-shaped light source arranged around the light transmission area 221.
  • the second light source block 42 includes at least two light sources arranged around the first through hole 23, and the light sources are evenly distributed.
  • Two or more light sources are evenly distributed in the light source area 222 and protrude from the surface of the light source area 222 to ensure that the light beam emitted by the second light source block 42 can completely cover the field of view of the functional additional area 12 and provide a uniform light source, so that the functional additional area There will be no bright or dark areas in 12, ensuring uniform display and clear display, improving the display quality of the display panel.
  • the second light source block 42 is an LED lamp or Mini LED lamp beads, and its brightness is determined by the specification of the lamp.
  • the second light source block 42 emits light to illuminate all the area of the function additional area 12, so that the function additional area 12 can display images, and displays pictures together with the main display area 11. Achieve full screen display.
  • the light beam emitted by the second light source block 42 uniformly provides light to the function additional area 12 to avoid problems such as inconcentration and uneven light in the function additional area 12.
  • the design circuit of the function additional area 12 is different from the design circuit of the main display area 11, in the design of the circuit of the function additional area 12, the amount of light transmission can be changed by adjusting the panel voltage to change the display Brightness, which in turn can improve the display quality of the display panel.
  • the number of light sources included in the second light source block 42 is preferably 4, 6, or 8, and those skilled in the art can also set the number of light sources according to the distribution range of the light source area 222.
  • a separation area 80 is provided between the main display area 11 and the function additional area 12, and the separation area 80 is a circular ring surrounded by transparent optical glue to isolate the first liquid crystal layer 151 from The second liquid crystal layer 152.
  • the light energy of the second light source block 42 located in the light source area 222 can also cover the partition area 80, avoiding the problem of dark areas in the partition area 80, and improving the display quality of the display panel.
  • the transparent optical glue has strong adhesiveness and is provided between the first substrate 13 and the second substrate 14 and can be used to fix the first substrate 13 and the second substrate 14.
  • the lens 31 and the second light source block 42 are both disposed under the first substrate 13.
  • the central axis of the lens 31 and the central axis of the additional function area 12 are on the same straight line.
  • the second light source block 42 provides a light source for the additional function area 12 so that light enters the additional function area 12 from different angles, so that the additional function area 12 is The light is evenly distributed to improve the clarity of the display screen and ensure the display quality of the display panel.
  • the second light source block 42 may be disposed on the peripheral side of the first through hole 23 or may be located in an area corresponding to the first through hole 23.
  • the second light source block 42 protrudes from the surface of the light source area 222, and the light of each second light source block 42 uniformly diffuses toward various angles, so that the light enters the function additional area 12 from different angles, so that the function additional area
  • the light in 12 is evenly distributed to improve the clarity of the display screen and ensure the display quality of the display panel.
  • a display panel as shown in FIGS. 8 to 11, is different from the first embodiment in that: the second light source block 42 is arranged around the first through hole 23, and is arranged on the backlight module 20 The side far away from the display unit 10 provides a uniform light source for the function additional area 12 corresponding to the first through hole 23.
  • the second light source block 42 includes a light board 90 and at least one light source arranged on the light board 90.
  • the second backlight area 22 includes a transparent illuminated area 223 and a non-transparent illuminated area 224.
  • the non-transparent illuminated area 224 is arranged around the transparent illuminated area 223, and the transparent illuminated area 223 corresponds to the function additional area 12
  • the function additional area 12 can be located anywhere on the display unit 10.
  • first through hole 23 corresponds to the transparent illuminated area 233
  • area where the second light source block 42 is located corresponds to the non-transparent illuminated area 224
  • the area corresponding to the first through hole 23 and the second The area where the light source blocks 42 are located collectively forms the second backlight area 22.
  • the first through hole 23 penetrates the backlight module 20, and the shape of the first through hole 23 may be square or circular.
  • the second light source block 42 includes a plurality of light sources, and the light sources in the second light source block 42 are arranged in an array on the light board 90, and the plurality of light sources surround the first light source.
  • a through hole 23 is distributed.
  • the light source may be Mini LED lamp beads.
  • the shape of the light board 90 is a circle or a square, and the shape of the transparent irradiation area 223 is a circle.
  • the direction of the Mini LED lamp bead in the non-transparent illumination area 224 is adjustable, and it is preferable to ensure that the transparent illumination area 223 obtains a uniform light source, so as to realize the normal display of the transparent illumination area in the display mode.
  • the Mini LED lamp bead light source When lighting is performed in the second backlight area 22, the Mini LED lamp bead light source is turned off to avoid affecting the collection work of the electronic component 30.
  • the second light source block 42 provides a light source for the function additional area 12, so that the main display area 11 and the function additional area 12 display pictures together, thereby entering a full-screen display state.
  • the backlight module 20 includes a reflective sheet 24, a light guide plate 25 and a diffusion sheet 26 arranged in sequence.
  • first light source block 41 and the second light source block 42 are arranged corresponding to the first through hole 23 and are located on the side of the first through hole 23 away from the display unit 10, the first light source block 41 and the second light source
  • the block 42 may be an edge-type light source or a direct-type light source.
  • the backlight module 20 may also include a back frame, a plastic frame, and the like.
  • the first light source block 41 and the second light source block 42 may be an edge light source
  • the first light source block 41 and the second light source block 42 may be one or more Mini LED lamp beads or LEDs arranged on the side of the backlight module 20
  • the first light source block 41 and the second light source block 42 may be a plurality of Mini LED lamp beads or LEDs uniformly distributed in the first backlight area 21.
  • the light guide plate 25 is arranged on the reflection sheet 24; the diffusion sheet 26 is arranged on the side of the light guide plate 25 away from the reflection sheet 24.
  • the combination of the light guide plate 25 and the diffusion sheet 26 is mainly for diffusing the light of the first light source block 41 to the display unit 10 to improve the brightness of the display unit 10.
  • the upper and lower polarizers 17 and the upper polarizer 16 are provided with second through holes 70 at positions corresponding to the function additional area 12.
  • the upper and lower polarizers 17 and the upper polarizer 16 are respectively located on both sides of the first liquid crystal layer 151, and their function is to provide linearly polarized light and realize the brightness change of the display screen of the first liquid crystal layer 151. . Drill holes at the positions of the upper and lower polarizers 17 and the upper polarizer 16 corresponding to the first through holes 23, that is, the second through holes 70 are provided to form an area with no polarization function to ensure the second The light transmittance of the liquid crystal layer 152 in a transparent state.
  • the upper polarizer 16 is further provided with an encapsulation cover 50 on the side away from the liquid crystal layer 15, and the encapsulation cover 50 is bonded to the upper polarizer 16 through an optical adhesive layer 60
  • the packaging cover 50 may be a transparent glass cover or a transparent plastic cover.
  • a light board 90 and a second light source block 42 are arranged around the transparent irradiation area 223.
  • an electronic component 30 is arranged under the transparent irradiation area 223 to form a complete display device.
  • the function additional area 12 obtains a uniform light source, so that the function additional area 12 can be displayed normally when the display device is in the display mode, and a real screen-to-body ratio is realized.
  • the second light source block 42 is turned off to prevent the electronic component 30 from being affected for daylighting.
  • the present invention also provides a display device, which includes the display panel described in any one of the first to fourth embodiments.
  • the display device further includes an electronic component 30, which is arranged corresponding to the function additional area 12 of the display panel; when the second light source block 42 is turned on, the electronic component 30 does not work, so The function additional area 12 and the main display area 11 both display pictures; when the second light source block 42 is turned off, the electronic component 30 works, the function additional area 12 does not display pictures, and the main display area 11
  • the screen can be displayed normally.
  • the electronic component 30 is located outside the first through hole 23 and located on the side of the backlight module 20 away from the display unit 10.
  • the electronic component 30 includes one or a combination of a camera, a flashlight, a light sensor, a breathing light sensor, a distance sensor, a fingerprint scanner sensor, a microphone sensor, or a transparent antenna sensor.
  • the first through hole 23 or/and the second through hole 70 are in the shape of a bang, a beauty tip, a drop shape, a circle, a triangle, a rectangle, or Any one of polygons;
  • the additional function area 12 is in the shape of a bang, a beauty tip, a drop shape, a circle, a triangle, a rectangle, or a polygon.
  • FIGS. 16 and 17 are top views of the display effect of the camera in the on and off states, respectively.
  • the display screen disappears and appears transparent, providing a lighting channel for the rear camera.
  • the picture display state appears, and the picture reaches full screen display at this time.
  • the display device provided by the present invention may be a mobile phone, a computer, a television, a vehicle-mounted display device, and other display devices with a display function, and the present invention is not specifically limited.
  • the beneficial effect of the present invention is that by setting the additional function area 12 in the area opposite to the electronic component 30, the additional function area 12 can be switched between the transparent state and the screen display state according to the requirements, which can realize that the integrity of the screen is not damaged, and Under the premise of not introducing a new mechanical structure, a full-screen display effect is realized.
  • the position of the second light source block 42 that provides illumination for the function additional area 12 is designed so that the function additional area 12 is located at any position on the display unit 10. Both have good display and light transmission functions.

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Abstract

本发明提供一种显示面板及显示装置，显示面板包括显示单元和背光模块；其中，显示面板包括主显示区和功能附加区，所述背光模块包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。

Description

一种显示面板及显示装置 技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及显示装置。
 背景技术
随着移动便携设备的普及化程度越来越高，高屏占比屏幕由于能给予用户更好视觉体验而成为手机、平板等电子设备的未来发展趋势。屏占比用于表示屏幕和手机前面板面积的相对比值，其反映了用户对于移动设备的视觉体验，如何实现100%的屏占比的显示效果是目前行业亟待解决的难题。
但是对于手机等便携设备而言，除了显示屏幕以外，还需在前面板顶部位置放置一些电子元件如摄像头、闪光灯、光线传感器等，这些器件需要从面板正面采光，由于传统屏幕会对上述电子元件进行遮挡，目前行业内的普遍做法是将前面板做异形切割，裁剪掉部分屏幕以实现透光，以此保证电子元件的正常工作。上述做法在破坏整块屏幕的完整性的同时，也始终无法做到100%屏占比的全面显示。
另一种全面屏的解决方案是将电子元件如前置摄像头做到单独的机械模块上作为独立控制的部件，默认隐藏在机身内部，当用户有拍照、拍视频等需求的时候，摄像头会响应系统的指令自动弹出或手动滑出，即所谓“弹出式”或“滑盖式”设计。然而，受限于机械结构的因素，其摄像头弹出时间缓慢，其开启速度落后于传统意义的摄像头；其次由于机械结构受到装配工艺的影响，使得弹出功能模块与显示面板本体之间存在间隙，易受到外界粉末灰尘侵入，不能做到良好的防水防尘；再者弹出式设计其机械结构存在较高的故障率，滑盖式设计易于出现人为用力过大导致的排线损坏的问题，因此该方案仍影响了用户对产品的使用体验。
因此，如何在不破坏屏幕完整性，又不引入新的机械结构的前提下，实现全面屏显示，是本领域亟待解决的问题。
 技术问题
本申请提供一种显示面板及显示装置，以在不破坏屏幕完整性，又不引入新的机械结构的前提下，实现全面屏显示。
 技术解决方案
第一方面，本申请提供一种显示面板，所述显示面板包括：
显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；所述主显示区为常规显示区，功能附加区为透明显示区；
背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
在一些实施例中，所述背光模块上贯穿设置有第一通孔，所述第一通孔与所述附加功能区对应，所述第二光源块设置在靠近所述第一通孔处。
在一些实施例中，所述第二光源块与所述第一通孔之间的距离小于所述第一光源块与所述第一通孔之间的距离。
在一些实施例中，所述功能附加区位于所述显示单元的边缘处，所述第二光源块位于所述第一通孔的侧部且靠近所述功能附加区。
第二方面，本申请还提供一种显示面板，所述显示面板包括：
显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；
背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
在一些实施例中，所述背光模块上贯穿设置有第一通孔，所述第一通孔与所述附加功能区对应，所述第二光源块设置在靠近所述第一通孔处。
在一些实施例中，所述第二光源块与所述第一通孔之间的距离小于所述第一光源块与所述第一通孔之间的距离。
在一些实施例中，所述功能附加区位于所述显示单元的边缘处，所述第二光源块位于所述第一通孔的侧部且靠近所述功能附加区。
在一些实施例中，所述背光模块包括背光板，所述第一通孔设置在所述背光板上，所述第一光源块设置在所述背光板上靠近所述显示单元的边缘处的一侧。
在一些实施例中，所述第二光源块围绕所述第一通孔设置。
在一些实施例中，所述第二光源块包括灯板及设置在所述灯板上的至少一个光源。
在一些实施例中，所述灯板上设有多个光源，所述多个光源围绕所述第一通孔分布。
在一些实施例中，所述光源为LED或Mini LED灯珠。
在一些实施例中，所述第二光源块包括围绕所述第一通孔设置的环形光源。
在一些实施例中，所述功能附加区用于对应设置电子元件，且当电子元件不工作时，所述第二光源块为所述功能附加区提供光源，以使所述主显示区与所述功能附加区均显示画面。
在一些实施例中，所述显示单元设置在所述背光模块上；所述显示单元包括相对设置的第一基板和第二基板、以及设置在所述第一基板和第二基板之间的液晶层，所述显示单元还包括设置在所述第一基板和背光模块之间的下偏光片以及设置在所述第二基板远离所述液晶层的一侧的上偏光片。
在一些实施例中，所述上偏光片与所述下偏光片上与所述功能附加区对应的区域处均设置有第二通孔。
在一些实施例中，所述第二光源块的光源包括RGB三色彩色光源、LED或Mini LED灯珠。
第三方面，本发明还提供一种显示装置，所述显示装置包括显示面板，所述显示面板包括：
显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；
背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
在一些实施例中，所述显示装置还包括电子元件，所述电子元件与所述显示面板的功能附加区对应设置；当开启所述第二光源块时，所述电子元件不工作，所述功能附加区与所述主显示区均显示画面；当关闭所述第二光源块时，所述电子元件工作，所述功能附加区不显示画面。
 有益效果
通过在与电子元件相对的区域设置功能附加区，可以根据需求对功能附加区进行透明态和画面显示态的切换，可实现在不破坏屏幕完整性，又不引入新的机械结构的前提下，实现全面屏显示效果，同时对为功能附加区提供光照的第二光源块的位置进行设计，使得功能附加区在位于显示面板上任意位置时均具有良好的显示和透光功能。
 附图说明
图1为本发明实施例一中显示装置的结构示意图；
图2为本发明实施例二中显示装置的透视结构示意图；
图3为本发明实施例二中显示装置的剖面图；
图4为本发明实施例二中显示装置的部分爆炸结构示意图；
图5为本发明实施例三中显示装置的平面结构示意图；
图6为本发明实施例三中第二背光区的一种结构示意图；
图7为本发明实施例三中显示装置的结构示意图；
图8为本发明实施例三中第二背光区的另一种结构示意图；
图9为本发明实施例四中显示装置的平面结构示意图；
图10为本发明实施例四中第二背光区的结构示意图；
图11为本发明实施例四中显示装置的第一结构示意图；
图12为本发明实施例四中显示装置的部分爆炸结构示意图；
图13为本发明实施例四中显示装置的第二结构示意图；
图14为本发明中显示装置的平面结构示意图，其中功能附加区呈圆形；
图15为本发明中显示装置的平面结构示意图，其中功能附加区呈矩形；
图16为本发明中显示装置的电子元件开启状态的显示效果俯视图；
图17为本发明中显示装置的电子元件关闭状态的显示效果俯视图。
附图标记：
10、显示单元；11、主显示区；12、功能附加区；13、第一基板；14、第二基板；15、液晶层；151、第一液晶层；152、第二液晶层；16、上偏光片；17、下偏光片；20、背光模块；21、第一背光区；22、第二背光区；221、透光区；222、光源区；223、透明照射区域；224、非透明照射区域；23、第一通孔；24、反射片；25、导光板；26、扩散片；27、背光板；30、电子元件；31、镜头；41、第一光源块；42、第二光源块；50、封装盖板；60、光学胶；70、第二通孔；80、分隔区；90、灯板。
 本发明的实施方式
以下各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实施例。本发明所提到的方向用语，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，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
实施例一：
一种显示面板，如图1所示，所述显示面板包括显示单元10和背光模块20。
具体的，所述显示单元10设置于所述背光模块20上，用于显示画面；所述显示单元10包括主显示区11和功能附加区12，所述功能附加区12的至少一部分被所述主显示区11围绕，所述主显示区11为常规显示区，功能附加区12为透明显示区。
其中，所述功能附加区12用于对应设置电子元件30，且当电子元件30不工作时，所述主显示区11和所述功能附加区12均用于显示画面；所述电子元件30工作时，所述主显示区11正常显示画面，所述功能附加区12不显示画面，此时功能附加区12为透明状态，以用于为电子元件30提供采光通道，从而实现电子元件30的功能。
具体的，当电子元件不工作30时，所述主显示区11和所述功能附加区12可共同显示一个画面，也可分别显示不同的画面。
需要说明的是，本发明所述的显示单元10可为液晶显示单元。
具体的，所述背光模块20包括为主显示区11提供光源的第一光源块41和为所述功能附加区12提供光源的第二光源块42。所述第一光源块41和第二光源块42分别独立地为所述主显示区11和功能附加区12提供光源。
通过设置两个独立的光源块，从而使得主显示区11和功能附加区12可以同时显示画面，又可以实现主显示区11正常显示时，功能附加区12不显示画面。
需要说明的是，所述第一光源块41和所述第二光源块42均可以为RGB三色彩色光源、LED或Mini LED灯珠。
其中，所述背光模块20上设置有与功能附加区12对应的第一通孔23，所述第一通孔23贯穿所述背光模块20，以为与功能附加区12对应设置的电子元件30提供采光通道。
当电子元件30不工作时，所述第二光源块42为所述功能附加区12提供光源，以使所述主显示区11与所述功能附加区12共同显示画面；当电子元件30工作时，第二光源块42关闭，功能附加区12不显示画面，利用第一通孔23为电子元件30提供采光通道。
其中，所述第二光源块42设置在靠近所述第一通孔23处。
具体的，所述显示单元10包括相对设置的第一基板13和第二基板14、以及设置于所述第一基板13和第二基板14之间的液晶层15。
其中，第一基板13可以为阵列基板，第二基板14可以为彩膜基板。
在一实施方式中，所述液晶层15包括材料不同的第一液晶层151和第二液晶层152，所述第一液晶层151设置于所述主显示区11处，所述第二液晶层152对应设置在所述功能附加区12处。具体地讲，所述第一液晶层151设置在所述显示单元10除去所述功能附加区12的其他区域上。
本一实施方式中，所述第一液晶层151可以为现有技术的普通液晶，所述第一液晶层151包括多个液晶分子，所述液晶分子包括联苯液晶、苯基环己烷液晶或酯类液晶。所述第二液晶层152的材料包括散射型液晶；所述散射型液晶包括多个液晶分子和聚合物，可实现透明态和画面显示态的切换，聚合物可以为离子型有机电解质材料。
所述第一液晶层151（即普通液晶）在施加电压后液晶分子发生旋转，控制光的透过率实现灰阶显示；所述第二液晶层152（即散射型液晶）中由于增加了某些聚合物，二者折射率不同，通过电压控制液晶和聚合物的表面产生折射率差，使得光线透过或者在二者表面发生散射，因此可以实现透明态或者雾态。在透明态下可以透光，雾态下实现光线的散射进而用于显示画面。
所述第二液晶层152使用的具体过程为：液晶与聚合物具有相同的各向异性的介电常数，不加电压或电压低于阈值电压时，液晶分子呈水平排列，与其内聚合物材料不存在折射率差，因此不发生散射；当施加的电压高于阈值电压时，液晶分子发生旋转，其方向沿着垂直方向排列，改变了液晶的介电常数的各向异性的特性，因此在液晶和聚合物的表面产生折射率差，光线在此处发生散射，被观察者看到。
具体的，所述显示单元10还包括设置在所述第一基板13与背光模块20之间的上下偏光片17，以及，设置在所述第二基板14远离所述液晶层15的一侧上的上偏光片16。
在一实施方式中，所述电子元件30包括摄像头、闪光灯、光线传感器、呼吸灯传感器、距离传感器、指纹扫描仪传感器、麦克风传感器或透明天线传感器中的一种或其组合。
需要说明的是，以电子元件30为摄像头为例，不需要摄像头工作时，此时摄像头关闭，所述显示单元10呈画面显示状态以进行画面显示，第一光源块41为主显示区11的显示提供光源，第二光源块42为所述功能附加区12的显示提供光源，此时主显示区11和功能附加区12共同显示画面，显示单元10处于全面屏显示状态；需要摄像头工作时，第一光源块41为主显示区11提供光源，主显示区正常显示，而第二光源块42关闭，此时功能附加区12的第二液晶层152为透明状态，外界光线通过功能附加区12和第一通孔23进入摄像头以完成摄像工作。
通过在与电子元件30相对应的区域设置功能附加区12，并利用第二光源块42为功能附加区12提供光源，根据需求对功能附加区12进行透明态和画面显示态的切换，可实现在不破坏屏幕完整性，又不引入新的机械结构的前提下，实现全面屏显示效果。
需要说明的是，所述功能附加区12可以位于显示单元10上的任意位置处，所述功能附加区12的形状呈刘海状、美人尖、水滴状、圆形、三角形、矩形或多边形中的任一种。
具体的，所述背光模块20还包括用于设置第一光源块41的第一背光区21和用于设置第二光源块42的第二背光区22，所述第二背光区22的至少一部分被所述第一背光区21围绕，所述第一通孔23位于所述第二背光区22。
其中，所述显示单元10在所述背光模块20上的正投影覆盖所述第二背光区22，即第二光源块42设置于所述显示单元10在所述背光模块20上的正投影所限定的区域内。
实施例二：
一种显示面板，如图2至图4所示，其与实施例一的不同之处在于：所述功能附加区12位于所述显示单元10的边缘处，所述第二光源块42位于所述第一通孔23的侧部且靠近所述功能附加区12，以通过所述第二光源块42对所述功能附加区12侧向给光，防止第二光源块42对功能附加区12的显示和透光造成影响。
进一步的，所述第二光源块42位于所述显示单元10的侧部且靠近所述功能附加区12。
具体的，所述背光模块20包括背光板27，所述第一通孔23设置在所述背光板27上，所述第一光源块41设置在所述背光板27上靠近所述显示单元10的边缘处的一侧。
需要说明的是，背光板27可以包括反射片、导光板以及扩散片等光学膜片。
在一实施方式中，所述第一光源块41设置在远离所述第一通孔23处，所述第一光源块41包括白色光源，用以给所述第一液晶层151提供光源。所述第二光源块42设置在靠近所述第一通孔23处，所述第二光源块42包括RGB三色彩色光源，用以给对应设置在所述功能附加区12处的所述第二液晶层152提供光源以显示彩色画面。
进一步的，所述第二光源块42与所述第一通孔23之间的距离小于所述第一光源块41与所述第一通孔23之间的距离。
在一实施方式中，所述第一光源块41和所述第二光源块42分别位于所述背光板27的两端。
需要说明的是，参见图4，具体实施中，所述第一光源块41可以放置于所述背光板27的底端侧向给光，所述第二光源块42可以放置于所述背光板27的顶端侧向给光，第二光源块42放置在所述背光板27的顶端是实现该目的优选方式，其他放置方式的实施例均受到本专利的保护。
具体的，所述上下偏光片17和所述上偏光片16对应于所述功能附加区12的位置处均设有第二通孔70。
可以理解的是，所述上下偏光片17和上偏光片16分别位于所述第一液晶层151的两侧，其作用是提供线偏振光以及实现所述第一液晶层151显示画面的明暗变化。在所述上下偏光片17和上偏光片16对应所述第一通孔23相应的位置进行挖孔，即设置所述第二通孔70，形成无偏光功能的区域，以保证所述第二液晶层152在透明状态下的透光能力。
在一实施方式中，所述第一通孔23的面积小于所述第二通孔70的面积。这样设置可以保证所述第二液晶层152可以全部显示而不被遮挡。
实施例三：
一种显示面板，如图5至图7所示，其与实施例一的不同之处在于：所述第二光源块42围绕所述第一通孔23设置。
其中，所述功能附加区12可以位于显示单元10上的任意位置。功能附加区12既可以实现拍摄效果，也可以实现显示效果。
在一实施方式中，以电子元件30为摄像头为例，功能附加区12的形状为圆形，电子元件30包括镜头31，镜头31的形状为与功能附加区对应的圆形。
当功能附加区12进行拍摄处理时，镜头31用以获取入射至功能附加区12的光线，以便摄像头实现成像。镜头31位于功能附加区12中心，镜头31的中心轴线与功能附加区12的中心轴线位于同一直线上。功能附加区12、镜头31皆为圆形，镜头31边缘与功能附加区12边缘形成同心圆结构。
具体的，所述第二背光区22包括与所述第一通孔23对应的透光区221以及围绕所述透光区221设置的光源区222，所述第二光源块42设置于所述光源区222内。
在一实施方式中，光源区222为圆环形，设于所述第二背光区22内，且与第一背光区21相连接。光源区222包括一内圆边及一外圆边，所述外圆边连接至第一背光区21。光源区222表面为镀银层，光源区222内圆直径的尺寸与透光区221的直径的尺寸相对应，光源区222外径的尺寸与第一背光区21围成的圆形的尺寸相对应。
在一实施方式中，所述第二光源块42包括围绕所述透光区221设置的环形光源。
在另一实施方式中，所述第二光源块42包括至少两个围绕所述第一通孔23设置的光源，所述光源均匀分布。
两个以上光源均匀分布于光源区222内，且突出于光源区222表面，确保第二光源块42散发出的光束可以将为功能附加区12的视野范围完全覆盖提供均匀光源，使得功能附加区12内不会出现亮区或者暗区，保证显示均匀且显示画面清晰，提升显示面板的显示质量。第二光源块42为LED灯或Mini LED灯珠，其亮度是由灯的规格决定。
当显示面板的功能附加区12用以显示时，第二光源块42发光将功能附加区12区域全部照亮，使得功能附加区12可以显示影像，与主显示区11共同显示画面，此时画面达到全屏幕显示。第二光源块42散发出的光束均匀地为功能附加区12提供光线，避免出现功能附加区12内的光线不集中、不均匀等问题。
另外，由于功能附加区12的设计电路与主显示区11的设计电路有所区别，因而，在功能附加区12的电路进行设计中，可以通过调节面板电压来改变光的透过量进而来改变显示的亮度，进而可以提高显示面板的显示质量。
在一实施方式中，第二光源块42包括的光源的数量优选为4、6、8，而本领域技术人员也可以根据光源区222分布范围的大小进行设置光源的数量。
在一实施方式中，所述主显示区11与所述功能附加区12之间设置有分隔区80，分隔区80为透明光学胶围成的圆环形，用以隔离第一液晶层151和第二液晶层152。这样，位于光源区222的第二光源块42的光线能也能将分隔区80覆盖，避免分隔区80会出现暗区的问题，提高显示面板的显示质量。
需要说明的是，透明光学胶具有较强的粘性，设于第一基板13与第二基板14之间，可以用以固定第一基板13与第二基板14。
在一实施方式中，镜头31和第二光源块42均设于第一基板13下方。镜头31的中心轴线与功能附加区12的中心轴线位于同一直线上，第二光源块42为功能附加区12提供光源，使光线从不同角度入射到功能附加区12内，使得功能附加区12内的光线均匀分布，提升显示画面的清晰度，保证显示面板的显示质量。
需要说明的是，所述第二光源块42可以设置于所述第一通孔23的周侧，也可以位于与第一通孔23对应的区域处。
如图8所示，第二光源块42突出于光源区222表面，每个第二光源块42的光线均匀地朝各个角度扩散，使光线从不同角度入射到功能附加区12，使得功能附加区12内的光线均匀分布，提升显示画面的清晰度，保证显示面板的显示质量。
实施例四：
一种显示面板，如图8至图11所示，其与实施例一的不同之处在于：所述第二光源块42围绕所述第一通孔23设置，且设置在所述背光模块20远离所述显示单元10的一侧，以为与第一通孔23对应的功能附加区12提供均匀的光源。
具体的，所述第二光源块42包括灯板90及设置在所述灯板90上的至少一个光源。
所述第二背光区22包括透明照射区域223以及非透明照射区域224，所述非透明照射区域224围绕所述透明照射区域223设置，所述透明照射区域223与所述功能附加区12相对应，所述功能附加区12可以位于显示单元10上的任意位置。
需要说明的是，所述第一通孔23对应于透明照射区域233，所述第二光源块42所在的区域对应于非透明照射区域224，所述第一通孔23对应的区域和第二光源块42所在的区域共同形成第二背光区22。
其中，所述第一通孔23贯穿所述背光模块20，所述第一通孔23的形状可以为方形或圆形。
在一实施方式中，所述第二光源块42包括多个光源，所述第二光源块42中的光源呈阵列式的分布于所述灯板90上，所述多个光源围绕所述第一通孔23分布。
需要说明的是，所述光源可以为Mini LED灯珠。
在一实施方式中，所述灯板90的形状为圆形或者方形，所述透明照射区域223形状为一圆形。
所述非透明照射区域224内的Mini LED灯珠出射光方向可调，优选的保证所述透明照射区域223获得均匀的光源，以实现显示模式下透明照射区的正常显示。
在第二背光区22进行采光时，所述Mini LED灯珠光源关闭，避免影响电子元件30采集的工作。
当电子元件不工作时，所述第二光源块42为所述功能附加区12提供光源，以使所述主显示区11与所述功能附加区12共同显示画面,从而进入全屏显示状态。
在一实施方式中，如图12和图13所示，所述背光模块20包括依次设置的反射片24、导光板25以及扩散片26。
需要说明的是，所述第一光源块41第二光源块42与第一通孔23对应设置且位于第一通孔23远离显示单元10的一侧，所述第一光源块41第二光源块42可以为侧入式光源或直下式光源，实际实施中，所述背光模块20还可以包括背框以及胶框等。
所述第一光源块41第二光源块42可以为侧入式光源时，第一光源块41第二光源块42可以为一个或多个设置于背光模块20侧部的Mini LED灯珠或LED；所述第一光源块41第二光源块42为直下式光源时，第一光源块41第二光源块42可以为多个均匀分布于第一背光区21的Mini LED灯珠或LED。
所述导光板25设于所述反射片24上；所述扩散片26设于所述导光板25远离所述反射片24的一侧。
所述导光板25与所述扩散片26的组合，主要是为了将第一光源块41的光扩散至显示单元10，用以提高所述显示单元10的亮度。
其中，所述上下偏光片17和所述上偏光片16对应于所述功能附加区12的位置处均设有第二通孔70。
可以理解的是，所述上下偏光片17和上偏光片16分别位于所述第一液晶层151的两侧，其作用是提供线偏振光以及实现所述第一液晶层151显示画面的明暗变化。在所述上下偏光片17和上偏光片16对应所述第一通孔23相应的位置进行挖孔，即设置所述第二通孔70，形成无偏光功能的区域，以保证所述第二液晶层152在透明状态下的透光能力。
在一实施方式中，所述上偏光片16远离所述液晶层15的一侧上还设置有封装盖板50，所述封装盖板50通过光学胶层60与所述上偏光片16粘结，所述封装盖板50可以为透明玻璃盖板，也可以为透明塑料盖板。
通过在背光模块20上的第二背光区22进行挖孔，接着在所述透明照射区域223周围设置灯板90以及第二光源块42。并在所述透明照射区域223的下方设置一电子元件30，用以形成完整的显示装置。在显示模式下，所述功能附加区12获得均匀的光源，以实现所述显示装置在显示模式下时功能附加区12能够正常显示，实现真正的的屏占比。在所述电子元件30处于采光模式下，第二光源块42关闭，防止影响所述电子元件30进行采光。
基于上述显示面板，本发明还提供一种显示装置，所述显示装置包括上述实施例一至四中任意一项所述的显示面板。
其中，所述显示装置还包括电子元件30，所述电子元件30与所述显示面板的功能附加区12对应设置；当开启所述第二光源块42时，所述电子元件30不工作，所述功能附加区12与所述主显示区11均显示画面；当关闭所述第二光源块42时，所述电子元件30工作，所述功能附加区12不显示画面，所述主显示区11可正常显示画面。
在一实施方式中，电子元件30位于第一通孔23的外部且位于所述背光模块20远离显示单元10的一侧。
需要说明的是，所述电子元件30包括摄像头、闪光灯、光线传感器、呼吸灯传感器、距离传感器、指纹扫描仪传感器、麦克风传感器或透明天线传感器中的一种或其组合。
请参阅图14至图16所示，在一实施方式中，所述第一通孔23或/和所述第二通孔70呈刘海状、美人尖、水滴状、圆形、三角形、矩形或多边形中的任一种；所述功能附加区12呈刘海状、美人尖、水滴状、圆形、三角形、矩形或多边形中的任一种。
请参阅图16和图17所示，以电子元件30为摄像头为例，图16和图17分别为摄像头开启和关闭状态的显示效果俯视图。如图16所示，摄像头开启时，显示画面消失，呈现透明状态，为其后摄像头提供采光通道。如图17所示，当摄像头关闭时，呈现画面显示状态，此时画面达到全屏幕显示。
可以理解的是，本发明提供的显示装置可以是手机、电脑、电视、车载显示装置等其他具有显示功能的显示装置，本发明不作具体的限制。
本发明的有益效果为：通过在与电子元件30相对的区域设置功能附加区12，可以根据需求对功能附加区12进行透明态和画面显示态的切换，可实现在不破坏屏幕完整性，又不引入新的机械结构的前提下，实现全面屏显示效果，同时对为功能附加区12提供光照的第二光源块42的位置进行设计，使得功能附加区12在位于显示单元10上任意位置时均具有良好的显示和透光功能。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示面板，其中，所述显示面板包括：
    显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；所述主显示区为常规显示区，所述功能附加区为透明显示区；
    背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
  2. 根据权利要求1所述的显示面板，其中，所述背光模块上贯穿设置有第一通孔，所述第一通孔与所述附加功能区对应，所述第二光源块设置在靠近所述第一通孔处。
  3. 根据权利要求2所述的显示面板，其中，所述第二光源块与所述第一通孔之间的距离小于所述第一光源块与所述第一通孔之间的距离。
  4. 根据权利要求2所述的显示面板，其中，所述功能附加区位于所述显示单元的边缘处，所述第二光源块位于所述第一通孔的侧部且靠近所述功能附加区。
  5. 一种显示面板，其中，所述显示面板包括：
    显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；
    背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
  6. 根据权利要求5所述的显示面板，其中，所述背光模块上贯穿设置有第一通孔，所述第一通孔与所述附加功能区对应，所述第二光源块设置在靠近所述第一通孔处。
  7. 根据权利要求6所述的显示面板，其中，所述第二光源块与所述第一通孔之间的距离小于所述第一光源块与所述第一通孔之间的距离。
  8. 根据权利要求6所述的显示面板，其中，所述功能附加区位于所述显示单元的边缘处，所述第二光源块位于所述第一通孔的侧部且靠近所述功能附加区。
  9. 根据权利要求8所述的显示面板，其中，所述背光模块包括背光板，所述第一通孔设置在所述背光板上，所述第一光源块设置在所述背光板上靠近所述显示单元的边缘处的一侧。
  10. 根据权利要求6所述的显示面板，其中，所述第二光源块围绕所述第一通孔设置。
  11. 根据权利要求10所述的显示面板，其中，所述第二光源块包括灯板及设置在所述灯板上的至少一个光源。
  12. 根据权利要求11所述的显示面板，其中，所述灯板上设有多个光源，所述多个光源围绕所述第一通孔分布。
  13. 根据权利要求12所述的显示面板，其中，所述光源为LED或Mini LED灯珠。
  14. 根据权利要求10所述的显示面板，其中，所述第二光源块包括围绕所述第一通孔设置的环形光源。
  15. 根据权利要求5所述的显示面板，其中，所述功能附加区用于对应设置电子元件，且当电子元件不工作时，所述第二光源块为所述功能附加区提供光源，以使所述主显示区与所述功能附加区均显示画面。
  16. 根据权利要求5所述的显示面板，其中，所述显示单元设置在所述背光模块上；所述显示单元包括相对设置的第一基板和第二基板、以及设置在所述第一基板和第二基板之间的液晶层，所述显示单元还包括设置在所述第一基板和背光模块之间的下偏光片以及设置在所述第二基板远离所述液晶层的一侧的上偏光片。
  17. 根据权利要求16所述的显示面板，其中，所述上偏光片与所述下偏光片上与所述功能附加区对应的区域处均设置有第二通孔。
  18. 根据权利要求5所述的显示面板，其中，所述第二光源块的光源包括RGB三色彩色光源、LED或Mini LED灯珠。
  19. 一种显示装置，其中，所述显示装置包括显示面板,所述显示面板包括：
    显示单元，其包括主显示区和功能附加区，所述功能附加区的至少一部分被所述主显示区围绕；
    背光模块，其包括为主显示区提供光源的第一光源块和为所述功能附加区提供光源的第二光源块。
  20. 根据权利要求19所述的显示装置，其中，所述显示装置还包括电子元件，所述电子元件与所述显示面板的功能附加区对应设置；当开启所述第二光源块时，所述电子元件不工作，所述功能附加区与所述主显示区均显示画面；当关闭所述第二光源块时，所述电子元件工作，所述功能附加区不显示画面。
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