[go: up one dir, main page]

CN112649985B - Display panel and display device - Google Patents

Display panel and display device Download PDF

Info

Publication number
CN112649985B
CN112649985B CN202011560782.6A CN202011560782A CN112649985B CN 112649985 B CN112649985 B CN 112649985B CN 202011560782 A CN202011560782 A CN 202011560782A CN 112649985 B CN112649985 B CN 112649985B
Authority
CN
China
Prior art keywords
electrode layer
layer
transparent electrode
substrate
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011560782.6A
Other languages
Chinese (zh)
Other versions
CN112649985A (en
Inventor
余文强
刘广辉
王超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to CN202011560782.6A priority Critical patent/CN112649985B/en
Publication of CN112649985A publication Critical patent/CN112649985A/en
Application granted granted Critical
Publication of CN112649985B publication Critical patent/CN112649985B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • G02F1/133345—Insulating layers
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Geometry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to a display panel and a display device, wherein the display panel is provided with a first transparent electrode layer and a second transparent electrode layer in a light-transmitting area of a camera area, when the camera is started, the second transparent electrode layer obtains high voltage, the first transparent electrode layer and the second transparent electrode layer are in a high-voltage clamping state, and a liquid crystal layer in the light-transmitting area is in a transparent state; when the camera is closed, the second transparent electrode layer obtains low voltage, the first transparent electrode layer and the second transparent electrode layer are in a low-voltage state, and the liquid crystal layer in the light-transmitting area is in a black state. From this, the camera region can satisfy the shooting demand of making a video recording, can satisfy the demonstration demand again, and the screen when having improved display panel and showing accounts for the ratio, promotes the customer and experiences the sense. Through the mediation of the resolution ratio of the first display area in the camera area and the main display area, the display effect is improved.

Description

Display panel and display device
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
The display device can convert the data of the computer into various characters, numbers, symbols or visual images for display, and can input commands or data into the computer by using input tools such as a keyboard, and the display contents can be added, deleted and changed at any time by means of hardware and software of the system. Display devices are classified into plasma, liquid crystal, light emitting diode, cathode ray tube, and the like, according to the display device used.
LCD (Liquid Crystal Display, English full name). The liquid crystal display uses liquid crystal material as basic component, and fills the liquid crystal material between two parallel plates, and changes the arrangement state of internal molecules of the liquid crystal material by voltage so as to attain the goal of shading light and transmitting light to display the picture with different depth and error, and only adds filter layer with three primary colours between two flat plates to implement the display of colour picture.
The screen occupation ratio is an important index of the mobile phone screen, and the improvement of the screen occupation ratio can bring excellent visual experience and interaction effect to people. Therefore, various manufacturers are pursuing the most favorable screen occupation ratio, and digging screens, blind hole screens and the like are already put out in the market at present.
The blind hole screen that releases in the existing market, its camera region can only satisfy the demand of shooing, can't show. When an image or a video is displayed, the camera area is a black circle, so that the eyes feel more obtrusive, and the user experience is poor.
Disclosure of Invention
The invention aims to provide a display panel and a display device, which can solve the problems that a camera area in the existing display device can only take a picture and shoot, cannot display a more obtrusive feeling to the naked eyes, and has poor customer experience feeling.
In order to solve the above problems, the present invention provides a display panel including: a camera area; the camera area is defined with a first display area and a light-transmitting area; the display panel includes: the liquid crystal display panel comprises a first substrate, a second substrate arranged opposite to the first substrate and a liquid crystal layer arranged between the first substrate and the second substrate; wherein the first substrate includes: a first substrate base plate; a first insulating layer disposed on the first substrate base; the first transparent electrode layer is arranged on the first insulating layer and corresponds to the light-transmitting area; the flat layer is arranged on the first transparent electrode layer; the second transparent electrode layer is arranged on the flat layer; when the camera is started, the liquid crystal layer of the light-transmitting area is in a transparent state and is used for enabling light to pass through the light-transmitting area; when the camera is closed, the liquid crystal layer in the light-transmitting area is in a black state, so that the light-transmitting area can display pictures.
Further, the display panel further includes: the passivation layer is arranged on the second transparent electrode layer; and a pixel electrode layer disposed on the passivation layer; wherein the first insulating layer includes: a gate insulating layer disposed between the first substrate and the first transparent electrode layer; and an interlayer insulating layer disposed between the gate insulating layer and the first transparent electrode layer.
Further, in the light-transmitting region, the display panel further includes: a gate electrode layer disposed on the gate insulating layer and covered by the interlayer insulating layer; and the first source drain layer is arranged on the interlayer insulating layer and is covered by the passivation layer.
Further, the first transparent electrode layer is connected to the gate layer through a portion of the interlayer insulating layer; the first transparent electrode layer is connected with the first source drain electrode layer.
Further, in the light-transmitting region, the display panel further includes: the second source drain electrode layer is arranged between the interlayer insulating layer and the first transparent electrode layer; the first transparent electrode layer is connected with the second source drain electrode layer, and the second source drain electrode layer penetrates through part of the interlayer insulating layer downwards and is connected to the grid layer.
Further, the display panel further includes: the first signal line, the second signal line and the switch tube; the first signal line and the second signal line are arranged in parallel; the grid electrode of the switch tube is connected with the first signal line, the drain electrode of the switch tube is connected with the second signal line, and the source electrode of the switch tube is connected with the second transparent electrode layer.
Further, when the camera is started, the second signal line is high voltage and is transmitted to the second transparent electrode layer through the switch tube, the second transparent electrode layer obtains the high voltage, the first transparent electrode layer and the second transparent electrode layer are in a high-voltage clamping state, and the liquid crystal layer in the light-transmitting area is in a transparent state; when the camera is closed, the second signal line is low voltage, through the switch tube transmits for the transparent electrode layer of second, the transparent electrode layer of second acquires low voltage, first transparent electrode layer with the transparent electrode layer of second is the low nip pressure state, the liquid crystal layer in printing opacity district is black state.
Further, the first substrate is an array substrate, and the second substrate is a color film substrate; the second substrate of the light-transmitting area is formed by a second substrate, a black matrix layer and a protective layer.
Further, the display panel further includes: a main display area surrounding the camera area; the resolution of the first display area is 1/3-1/2 of the resolution of the main display area.
In order to solve the above problems, the present invention also provides a display device including the display panel according to the present invention; and the camera is arranged below the display panel and is positioned in the camera area.
The invention has the advantages that: the invention relates to a display panel and a display device.A first transparent electrode layer and a second transparent electrode layer are arranged in a light-transmitting area of a camera area, when the camera is started, the second transparent electrode layer obtains high voltage, the first transparent electrode layer and the second transparent electrode layer are in a high-voltage clamping state, and a liquid crystal layer in the light-transmitting area is in a transparent state; when the camera is closed, the second transparent electrode layer obtains low voltage, the first transparent electrode layer and the second transparent electrode layer are in a low-voltage state, and the liquid crystal layer in the light-transmitting area is in a black state.
From this, the camera region can satisfy the shooting demand of making a video recording, can satisfy the demonstration demand again to screen when having improved display panel and showing accounts for the ratio, promotes the customer and experiences the sense. According to the invention, the display effect is improved by harmonizing the resolution of the first display area of the camera area and the resolution of the main display area.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display device provided in embodiment 1 of the present invention.
Fig. 2 is a schematic plan view of a display panel provided in embodiment 1 of the present invention.
Fig. 3 is a schematic plan view of a camera area provided in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of the first substrate of the camera area provided in embodiment 1 of the present invention.
Fig. 5 is a schematic plan view of a first substrate of a camera area provided in embodiment 1 of the present invention.
Fig. 6 is a schematic structural diagram of a second substrate of a light-transmitting region provided in embodiment 1 of the present invention.
Fig. 7 is a schematic diagram of a first signal line, a second signal line and a switch tube according to embodiment 1 of the present invention.
Fig. 8 is a waveform diagram of the voltage control of fig. 7.
Fig. 9 is a schematic structural view of the first substrate in the camera area according to embodiment 2.
The components in the figure are identified as follows:
100. display device
101. Display panel 102 and camera
1011. Camera area 1012, main display area
10111. First display region 10112, light transmission region
1013. First and second substrates 1014 and 1014
1015. Liquid crystal layer
10141. Second substrate board 10142, black matrix
10143. Protective layer
1. Substrate 2, active layer
3. Gate insulating layer 4, gate layer
5. Interlayer insulating layer 6, first source drain layer
7. First transparent electrode layer 8, planarization layer
9. Second transparent electrode layer 10, passivation layer
11. Pixel electrode layer 12 and first signal line
13. Second signal line 14, switch tube
15. Second source drain layer 16, first stage
17. Second stage
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to make and use the present invention in a complete manner, and is provided for illustration of the technical disclosure of the present invention so that the technical disclosure of the present invention will be more clearly understood and appreciated by those skilled in the art how to implement the present invention. The present invention may, however, be embodied in many different forms of embodiment, and the scope of the present invention should not be construed as limited to the embodiment set forth herein, but rather construed as being limited only by the following description of the embodiment.
The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are used for explaining and explaining the present invention, but not for limiting the scope of the present invention.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. In addition, the size and thickness of each component shown in the drawings are arbitrarily illustrated for convenience of understanding and description, and the present invention is not limited to the size and thickness of each component.
When certain components are described as being "on" another component, the component can be directly on the other component; there may also be an intermediate component disposed on the intermediate component and the intermediate component disposed on another component. When an element is referred to as being "mounted to" or "connected to" another element, they are directly "mounted to" or "connected to" the other element or "mounted to" or "connected to" the other element through an intermediate element.
Example 1
As shown in fig. 1, the present embodiment provides a display device 100, which includes: a display panel 101 and a camera 102. The camera 102 is disposed below the display panel 101 and located in the camera area 1011.
As shown in fig. 1 and 2, the display panel 101 includes: a camera area 1011 and a main display area 1012. Wherein the main display area 1012 surrounds the camera area 1011.
As shown in fig. 3, the camera area 1011 defines a first display region 10111 and a light-transmitting region 10112.
The resolution of the first display area 10111 is 1/3-1/2 of the resolution of the main display area 1012. In this embodiment, the resolution of the first display area 10111 is 1/2 of the resolution of the main display area 1012. In this embodiment, the resolution of the first display region 10111 is 131PPI, and at this time, the area of the light-transmitting region 10112 occupies 86.51% of the area of the camera area. In other embodiments, the resolution of the first display region 10111 is 197PPI, and the area of the light-transmissive region 10112 occupies 59.97% of the area of the camera area. In this embodiment, the resolution of the first display area 10111 of the camera area 1011 is harmonized with the resolution of the main display area 1012, so as to improve the display effect.
As shown in fig. 1, 4 and 5, the display panel 101 includes a first substrate 1013, a second substrate 1014 and a liquid crystal layer 1015.
Wherein the second substrate 1014 is disposed opposite to the first substrate 1013; the liquid crystal layer 1015 is disposed between the first substrate 1013 and the second substrate 1014.
The first substrate 1013 is an array substrate. The first substrate 1013 includes: the pixel structure comprises a first substrate base plate 1, an active layer 2, a grid electrode insulating layer 3, a grid electrode layer 4, an interlayer insulating layer 5, a first source drain electrode layer 6, a first transparent electrode layer 7, a flat layer 8, a second transparent electrode layer 9, a passivation layer 10 and a pixel electrode layer 11.
The first substrate 1 may be a flexible substrate having a water and oxygen blocking effect, and the first substrate 1 may have a good impact resistance, so as to effectively protect the display panel 101. The material of the first substrate 1 is one or more of polyimide, polycarbonate, polyethylene terephthalate and polyethylene naphthalate.
The active layer 2 is disposed on the first substrate 1 and in the first display region 10111, and may be formed of ITZO (indium tin zinc oxide) or IGZO (indium gallium zinc oxide). The active layer 2 may also be made of amorphous silicon, and then the amorphous silicon is converted into a polycrystalline silicon layer by a high temperature curing method, an excimer laser annealing method, a metal induced crystallization method, and the like, and then the active layer 2 is formed by a patterning process.
A first insulating layer is disposed on the first substrate base plate 1, the first insulating layer including: a gate insulating layer 3 and an interlayer insulating layer 5.
The gate insulating layer 3 is disposed on the active layer 2 and extends over the first substrate 1. It is mainly used to prevent the short circuit phenomenon generated by the contact between the gate layer 4 and the active layer 2. The gate insulating layer 3 may be made of SiO2And SiNx.
The gate layer 4 is disposed on the gate insulating layer 3 and is made of metal, such as Cu or Mo.
An interlayer insulating layer 5 covers the gate electrode layer 4 and extends over the gate insulating layer 3. The interlayer insulating layer 5 mainly prevents the gate layer 4 of the first display region 10111 from contacting the first source/drain layer 6 of the first display region 10111 to cause a short circuit.
The first source drain layer 6 is disposed on the interlayer insulating layer 5. The first source/drain electrode layers 6 of the first display region 10111 and the main display region 1012 are electrically connected to the active layer 2, and are made of metal, such as copper Cu or molybdenum Mo.
The first transparent electrode layer 7 is disposed on the interlayer insulating layer 5 and corresponds to the light-transmitting region 10112. That is, the first transparent electrode layer 7 is only disposed in the light-transmitting region 10112. The material of the first transparent electrode layer 7 may be ITO. In the camera area 1011, the wires of the present invention are connected by wire-passing, specifically, the first transparent electrode layer 7 passes through a part of the interlayer insulating layer 5 downward and is connected to the gate layer 4; the first transparent electrode layer 7 is connected to the first source drain layer 6. Therefore, the metal wiring of the light transmission area 10112 is reduced, the light transmission area is increased, when the camera is started, the light transmission area of the light transmission area 10112 is increased, the camera 102 can conveniently collect light, and the camera shooting effect is improved.
The planarization layer 8 is disposed on the first transparent electrode layer 7 and extends to cover the first source/drain layer 6. The flat layer 8 mainly plays a role in leveling, provides a flat surface for the preparation of the upper film layer, and the flat layer 8 can also play a role in buffering. The material of the planarization layer 8 may be one or more of acrylic photoresist, silicon photoresist, and polyimide photoresist.
The second transparent electrode layer 9 is disposed on the planarization layer 8. The material of the second transparent electrode layer 9 and the first transparent electrode layer 7 may be selected from ITO.
A passivation layer 10 is disposed on the second transparent electrode layer 9; the pixel electrode layer 11 is disposed on the passivation layer 10.
As shown in fig. 5, the light-transmitting region 10112 includes a horizontal first transparent electrode layer and a vertical first transparent electrode layer, the gate layer 4 changes its line to the horizontal first transparent electrode layer 7 at the light-transmitting region 10112, and the first source/drain electrode layer 6 changes its line to the vertical first transparent electrode layer 7 at the light-transmitting region 10112.
As shown in fig. 6, the second substrate 1014 is a color filter substrate. Wherein the second substrate 1014 of the light transmitting region 10112 is formed of a second substrate 10141, a black matrix layer 10142, and a protective layer 10143. In other words, the second substrate 1014 of the light-transmitting region 10112 of the present invention does not include a color resist layer therein.
When the camera 102 is activated, a high voltage is transmitted to the second transparent electrode layer 9 of the light-transmitting region 10112, the first transparent electrode layer 7 and the second transparent electrode layer 9 are in a high-voltage state, and at this time, the liquid crystal layer 1015 of the light-transmitting region 10112 is in a transparent state, so that the camera 102 can collect external images; when the camera 102 is turned off, a low voltage is transmitted to the second transparent electrode layer 9 in the light transmissive region 10112, the first transparent electrode layer 7 and the second transparent electrode layer 9 are in a low-voltage state, and the liquid crystal layer 1015 in the light transmissive region 10112 is in a black state, so that the light transmissive region 10112 performs pixel display. From this, camera area 1011 can satisfy the shooting demand of making a video recording, can satisfy the demonstration demand again, and the screen when having improved display panel 101 and showing accounts for than, promotes the customer experience and feels.
As shown in fig. 7, the display panel 101 further includes: a first signal line 12, a second signal line 13 and a switch tube 14. The first signal line 12 and the second signal line 13 are generally scanning lines.
Wherein the first signal line 12 is disposed in parallel with the second signal line 13; the grid electrode of the switch tube 14 is connected with the first signal line 12, the drain electrode of the switch tube 14 is connected with the second signal line 13, and the source electrode of the switch tube 14 is connected with the second transparent electrode layer 9.
As shown in fig. 8, the first stage 16 is a camera starting stage, when the camera 102 is started, the second signal line 13 is a high voltage (H) and is transmitted to the second transparent electrode layer 9 through the switch tube 14, the second transparent electrode layer 9 obtains the high voltage, the first transparent electrode layer 7 and the second transparent electrode layer 9 are in a high-voltage state, and the liquid crystal layer 1015 in the light-transmitting region 10112 is in a transparent state, so that light passes through the light-transmitting region 10112, and the camera 102 collects external images.
Continuing to refer to fig. 8, wherein the second stage 17 is a camera closing stage, when the camera 102 is closed, the second signal line 13 is at a low voltage (L) and is transmitted to the second transparent electrode layer 9 through the switch tube 14, the second transparent electrode layer 9 obtains the low voltage, the first transparent electrode layer 7 and the second transparent electrode layer 9 are in a low-voltage state, and the liquid crystal layer 1015 of the light-transmitting region 10112 is in a black state, so as to display a picture in the light-transmitting region 10112.
Example 2
As shown in fig. 9, the present embodiment includes most of the technical features of embodiment 1, and the present embodiment is different from embodiment 1 in that: the first transparent electrode layer 7 and the gate layer 4 in embodiment 2 are connected in different ways. Specifically, the gate layer 4 first passes through the second source/drain layer 15, and then passes through the first transparent electrode layer 7.
The display panel 101 in this embodiment further includes a second source/drain layer 15.
The second source drain layer 15 is disposed between the interlayer insulating layer 5 and the first transparent electrode layer 7. In the present embodiment, the first transparent electrode layer 7 is connected to the gate layer 4 through the second source-drain layer 15. Specifically, the first transparent electrode layer 7 is electrically connected to the second source drain layer 15, and the second source drain layer 15 penetrates through a portion of the interlayer insulating layer 5 downwards to be connected to the gate layer 4.
The display panel and the display device provided by the present application are introduced in detail, and a specific example is applied to illustrate the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (9)

1. A display panel, comprising: a camera area; the camera area is defined with a first display area and a light-transmitting area;
the display panel includes: the liquid crystal display panel comprises a first substrate, a second substrate arranged opposite to the first substrate and a liquid crystal layer arranged between the first substrate and the second substrate;
wherein the first substrate includes:
a first substrate base plate;
a first insulating layer disposed on the first substrate base;
the first transparent electrode layer is arranged on the first insulating layer and corresponds to the light-transmitting area;
the flat layer is arranged on the first transparent electrode layer; and
the second transparent electrode layer is arranged on the flat layer;
when the camera is started, the liquid crystal layer of the light-transmitting area is in a transparent state and is used for enabling light to pass through the light-transmitting area;
when the camera is closed, the liquid crystal layer in the light-transmitting area is in a black state, so that the light-transmitting area can display pictures;
the passivation layer is arranged on the second transparent electrode layer; and
the pixel electrode layer is arranged on the passivation layer;
wherein the first insulating layer includes:
a gate insulating layer disposed between the first substrate and the first transparent electrode layer; and
and the interlayer insulating layer is arranged between the grid insulating layer and the first transparent electrode layer.
2. The display panel according to claim 1, further comprising, in the light-transmitting region:
a gate electrode layer disposed on the gate insulating layer and covered by the interlayer insulating layer; and
and the first source drain layer is arranged on the interlayer insulating layer and is covered by the passivation layer.
3. The display panel according to claim 2,
the first transparent electrode layer is connected to the gate electrode layer through a part of the interlayer insulating layer;
the first transparent electrode layer is connected with the first source drain electrode layer.
4. The display panel according to claim 2, further comprising, in the light-transmitting region:
the second source drain electrode layer is arranged between the interlayer insulating layer and the first transparent electrode layer;
the first transparent electrode layer is connected with the second source drain electrode layer, and the second source drain electrode layer penetrates through part of the interlayer insulating layer downwards and is connected to the grid layer.
5. The display panel according to claim 1, further comprising:
the first signal line, the second signal line and the switch tube;
the first signal line and the second signal line are arranged in parallel;
the grid electrode of the switch tube is connected with the first signal line, the drain electrode of the switch tube is connected with the second signal line, and the source electrode of the switch tube is connected with the second transparent electrode layer.
6. The display panel according to claim 5,
when the camera is started, the second signal line is high voltage and is transmitted to the second transparent electrode layer through the switch tube, the second transparent electrode layer obtains the high voltage, the first transparent electrode layer and the second transparent electrode layer are in a high-voltage clamping state, and the liquid crystal layer in the light-transmitting area is in a transparent state;
when the camera is closed, the second signal line is low voltage, through the switch tube transmits for the transparent electrode layer of second, the transparent electrode layer of second acquires low voltage, first transparent electrode layer with the transparent electrode layer of second is the low nip pressure state, the liquid crystal layer in printing opacity district is black state.
7. The display panel according to claim 1, wherein the first substrate is an array substrate, and the second substrate is a color film substrate; the second substrate of the light-transmitting area is formed by a second substrate, a black matrix layer and a protective layer.
8. The display panel according to claim 1, further comprising:
a main display area surrounding the camera area;
the resolution of the first display area is 1/3-1/2 of the resolution of the main display area.
9. A display device comprising the display panel according to any one of claims 1 to 8; and
and the camera is arranged below the display panel and is positioned in the camera area.
CN202011560782.6A 2020-12-25 2020-12-25 Display panel and display device Active CN112649985B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011560782.6A CN112649985B (en) 2020-12-25 2020-12-25 Display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011560782.6A CN112649985B (en) 2020-12-25 2020-12-25 Display panel and display device

Publications (2)

Publication Number Publication Date
CN112649985A CN112649985A (en) 2021-04-13
CN112649985B true CN112649985B (en) 2022-02-22

Family

ID=75362948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011560782.6A Active CN112649985B (en) 2020-12-25 2020-12-25 Display panel and display device

Country Status (1)

Country Link
CN (1) CN112649985B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102661956A (en) * 2012-04-24 2012-09-12 浙江大学 Super-smooth surface defect detection system and distortion correction method thereof
EP2664272A1 (en) * 2011-01-11 2013-11-20 Kabushiki Kaisya Advance Oral imaging and display system
CN107016646A (en) * 2017-04-12 2017-08-04 长沙全度影像科技有限公司 One kind approaches projective transformation image split-joint method based on improved
CN108760767A (en) * 2018-05-31 2018-11-06 电子科技大学 Large-size LCD Screen defect inspection method based on machine vision

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2664272A1 (en) * 2011-01-11 2013-11-20 Kabushiki Kaisya Advance Oral imaging and display system
CN102661956A (en) * 2012-04-24 2012-09-12 浙江大学 Super-smooth surface defect detection system and distortion correction method thereof
CN107016646A (en) * 2017-04-12 2017-08-04 长沙全度影像科技有限公司 One kind approaches projective transformation image split-joint method based on improved
CN108760767A (en) * 2018-05-31 2018-11-06 电子科技大学 Large-size LCD Screen defect inspection method based on machine vision

Also Published As

Publication number Publication date
CN112649985A (en) 2021-04-13

Similar Documents

Publication Publication Date Title
JP5807726B1 (en) Black electrode substrate, black electrode substrate manufacturing method, and display device
TWI631538B (en) Display device
US9553114B2 (en) Display device and electronic device with a color filter
KR20220098036A (en) Display substrates, display panels and display devices
KR20230074683A (en) Display device, display module, and electronic device
KR20240037904A (en) Display device
US11257466B2 (en) Mobile terminal and display method thereof
CN110767681B (en) Display screen and display terminal
US7787065B2 (en) Liquid crystal display with photosensor and method of fabricating the same
JP2011090293A (en) Semiconductor device
JP2018081309A (en) Display device, display module, electronic apparatus, and manufacturing method of display device
KR20100024721A (en) Touch screen display apparatus
KR102023546B1 (en) Display Device
JP2009251592A (en) Organic electroluminescent display device
JP2006065305A (en) Display device with reading function and electronic device using the same
CN115951533B (en) A display panel, a driving method and a display device
JP2025087777A (en) display device
US20250053256A1 (en) Display device, touch display panel, and touch panel and manufacturing method therefor
CN116072072B (en) Display panel and display device
JP6815189B2 (en) Information terminal
CN112649985B (en) Display panel and display device
CN119785687A (en) Display device and electronic equipment
JP7315572B2 (en) Displays and electronics
CN112198697A (en) display panel
JPH01224727A (en) active matrix panel

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant