CN110444125A - Display screen, terminal - Google Patents

Display screen, terminal Download PDF

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Publication number
CN110444125A
CN110444125A CN201910557030.5A CN201910557030A CN110444125A CN 110444125 A CN110444125 A CN 110444125A CN 201910557030 A CN201910557030 A CN 201910557030A CN 110444125 A CN110444125 A CN 110444125A
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CN
China
Prior art keywords
pixel
display screen
layer
driving circuit
line
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.)
Granted
Application number
CN201910557030.5A
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Chinese (zh)
Other versions
CN110444125B (en
Inventor
严斌
毛春程
尹帮实
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.)
Honor Device Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201910557030.5A priority Critical patent/CN110444125B/en
Publication of CN110444125A publication Critical patent/CN110444125A/en
Priority to PCT/CN2020/097611 priority patent/WO2020259473A1/en
Application granted granted Critical
Publication of CN110444125B publication Critical patent/CN110444125B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements

Abstract

The application provides a kind of display screen, terminal, is related to field of display technology, for solving the problems, such as how to improve the transmitance of OLED display screen.Display screen includes at least one the high density pixel group and at least one low-density pixel group of substrate and setting on substrate；High density pixel group includes the first pixel of multiple array arrangements, and low-density pixel group includes the second pixel of multiple array arrangements；First pixel includes at least three for showing trichromatic first sub-pix, the first luminescent device that the first sub-pix includes at least the first driving circuit and is electrically connected with the first driving circuit respectively；Second pixel includes at least three for showing trichromatic second sub-pix, the second luminescent device that the second sub-pix includes at least the second driving circuit and is electrically connected with the second driving circuit respectively；The pixel density of the first viewing area where first pixel of multiple array arrangements is greater than the pixel density of the second viewing area where the second pixel of multiple array arrangements.

Description

Display screen, terminal
Technical field
This application involves field of display technology more particularly to a kind of display screens, terminal.
Background technique
With the development of display technology, the terminal device of high screen accounting becomes compared with by the favorite product type of consumer.And Optical device, the light of side where needing to collect terminal device display surface, it is necessary to be occupied in the display surface of terminal device Therefore certain area becomes the major influence factors of limiting terminal equipment full screen display.
For the terminal including Organic Light Emitting Diode (organic light-emitting diode, OLED) display screen Equipment, since OLED display screen is not completely opaque, in order to simplify structure, frequently with a kind of design be by optical device The back side of OLED display screen is set, and the light-receiving surface of optical device is towards the back side of OLED display screen.However, since OLED is shown The transmitance of screen only has 3%-5% or so, therefore, when optical device to be arranged in the back side of OLED display screen, due to injecting light The light quantity for learning device is less, and the performance of optical device is caused to be affected.
Therefore, how when the back side of OLED display screen is arranged in optical device, the transmitance of OLED display screen is improved, from And the light acceptance amount of optical device is improved, become those skilled in the art's technical issues that need to address.
Summary of the invention
The embodiment of the present application provides a kind of display screen, terminal, for solving how to improve the transmitance of OLED display screen Problem.
In order to achieve the above objectives, the present embodiment adopts the following technical scheme that
In a first aspect, providing a kind of display screen, display screen includes at least one high density of substrate and setting on substrate Pixel group and at least one low-density pixel group；High density pixel group includes the first pixel of multiple array arrangements, low-density picture Element group includes the second pixel of multiple array arrangements；First pixel includes at least three for showing that trichromatic first is sub- respectively Pixel, the first luminescent device that the first sub-pix includes at least the first driving circuit and is electrically connected with the first driving circuit, first Driving circuit is for driving the first luminescent device to shine；Second pixel includes at least three for showing trichromatic second respectively Sub-pix, the second luminescent device that the second sub-pix includes at least the second driving circuit and is electrically connected with the second driving circuit, the Two driving circuits are for driving the second luminescent device to shine；The picture of the first viewing area where first pixel of multiple array arrangements Plain density is greater than the pixel density of the second viewing area where the second pixel of multiple array arrangements.Is divided by that will show One viewing area and the second viewing area, and the pixel density of the first pixel of array arrangement in the first viewing area is made to be greater than the second display The pixel density of second pixel of array arrangement in area, so that the quantity of the transistor of the second viewing area is less than the first viewing area The quantity of transistor.The area for being equivalent to transmission region in the second viewing area increases, and aperture opening ratio increases, and regional area integrally penetrates Rate is promoted, so that the environment light transmission rate of the second viewing area is greater than the environment light transmission rate of the first viewing area.
Optionally, display screen further includes that the pixel of the first driving circuit and the second driving circuit far from one side of substrate is arranged in Define layer；Pixel defining layer includes multiple barricades arranged in a crossed manner and encloses the multiple positions being set as by multiple barricades arranged in a crossed manner In the first opening of the first sub-pix and the second sub-pix；Second luminescent device includes stacking gradually to set along the direction far from substrate Hole injection layer, hole transmission layer, electron transfer layer and the electron injecting layer set, hole injection layer, hole transmission layer, electronics At least one of transport layer and electron injecting layer are located in the first opening.Due to hole injection layer, hole transmission layer, electronics Although transport layer and electron injecting layer are light-transmissive film layer, but still can have a certain impact to transmitance.Therefore, by making At least one of hole injection layer, hole transmission layer, electron transfer layer and electron injecting layer in second luminescent device are only It in the first opening, is not extend in the white space between adjacent second pixel, can avoid hole injection layer, hole transport The influence of layer, electron transfer layer and electron injecting layer these film layers to the transmitance of the second viewing area, further increases second The transmitance of viewing area.
Optionally, pixel defining layer further includes that at least one second opening being set as is enclosed by multiple barricades arranged in a crossed manner； Second opening is between adjacent second pixel, for being spaced the second adjacent pixel.Barricade can be reduced to block environment light.
Optionally, the second adjacent opening in communication.Barricade is further decreased to block environment light.
Optionally, the second driving circuit includes multiple transistors；Transistor includes conductive layer and is stacked with conductive layer The first insulating layer, multiple transistors share same first insulating layer in same second driving circuit；Adjacent second driving circuit In the first insulating layer between be spaced setting；First insulating layer is gate insulation layer or passivation layer.Due to gate insulation layer and passivation layer Although being light-transmissive film layer, still can have a certain impact to transmitance.Therefore, by making in gate insulation layer and passivation layer At least one is block structure, is not extend in the white space between adjacent second pixel, can avoid gate insulation layer and passivation Influence of these film layers of layer to the transmitance of the second viewing area, further increases the transmitance of the second viewing area.
Optionally, display screen further includes the first light shield layer, and the first light shield layer includes multiple light shielding blocks being independently arranged, each Second driving circuit corresponds to a light shielding block；The orthographic projection of second driving circuit on substrate is located at corresponding with second driving circuit Light shielding block orthographic projection on substrate in.By the way that light shielding block is arranged, and light shielding block is made to cover the second driving circuit, it can be to avoid Grid, source-drain electrode layer in second driving circuit and grating is formed between the connecting line between transistor, to avoid ring Diffraction occurs for border light, guarantees the accuracy of optical device acquisition information.
Optionally, display screen further includes filling up layer, fill up layer include it is multiple be independently arranged fill up block；Second driving circuit At least part of the profile of orthographic projection on substrate is broken line, fills up the orthographic projection of block on substrate, fills up block with this Area coincidence where the recessed position of the broken line of corresponding second driving circuit；It is close in the second driving circuit to fill up layer setting One side of substrate.Block is filled up by setting, the small feature on the profile of the orthographic projection of the second driving circuit on substrate is filled out It mends, the second driving circuit is avoided to form grating, so as to avoid the second driving circuit from influencing optical device below display screen It works normally.
Optionally, display screen further includes filling up layer, fill up layer include it is multiple be independently arranged fill up block；Second driving circuit At least part of the profile of orthographic projection on substrate is broken line, fills up the orthographic projection of block on substrate, fills up block with this Area coincidence where the recessed position of the broken line of corresponding second driving circuit；It is separate in the second driving circuit to fill up layer setting One side of substrate.
Optionally, display screen further includes filling up layer, fill up layer include it is multiple be independently arranged fill up block；Second driving circuit At least part of the profile of orthographic projection on substrate is broken line, fills up the orthographic projection of block on substrate, fills up block with this Area coincidence where the recessed position of the broken line of corresponding second driving circuit；It fills up in layer and the second driving circuit at least One layer of same material of conductive layer same layer.The thickness of display screen can be reduced.
Optionally, display screen further include for the second driving circuit transmission driving signal second signal line group, second Signal line group includes the second data line and a plurality of second signal line arranged in a crossed manner；Second data line is used for transmission data voltage； Second signal line is used for transmission operating voltage, or the grid of a transistor into the second driving circuit provides gating letter Number；Display screen further includes the second light shield layer, and the second light shield layer includes multiple shading strips being independently arranged, each second signal line group A corresponding shading strip；The positive throwing of shading strip on substrate is at least partially disposed in the orthographic projection of second signal line group on substrate In shadow.By the way that one layer of second light shield layer is separately provided, signal wire in second signal line group is blocked, so that working as external environment When light incidence, second signal line group region is completely opaque.It can avoid signal wire and form grating, eliminate because of the second letter Diffraction caused by signal wire, guarantees the performance of optical device in number line group.
Optionally, display screen further include for the second driving circuit transmission driving signal second signal line group, second Signal line group includes a plurality of second signal line；Second signal line is used for transmission operating voltage, or into the second driving circuit The grid of one transistor provides gating signal；In a plurality of second signal line, it is partially used as the first subsignal line, partially as the Two subsignal lines；Display screen further includes the second insulating layer between the first subsignal line and the second subsignal line；First son Signal wire and the second subsignal line are arranged alternately, and the orthographic projection of the first subsignal line on substrate be located at first subsignal The orthographic projection of second subsignal line of line two sides on substrate is overlapping.By the way that second signal line is divided into two of different layer setting Point, and make mutually to block using the signal wire between different layers, the gap that the signal wire being located on the same floor is formed, phase can be blocked When in eliminating the gap between signal wire, i.e. elimination signal wire line bring diffraction.It, can letter without increasing new film layer structure Change preparation process, and keeps display screen lightening.
Optionally, display screen further include for the second driving circuit transmission driving signal second signal line group, second Signal line group includes the second data line and a plurality of second signal line arranged in a crossed manner；Second data line is used for transmission data voltage； Second signal line is used for transmission operating voltage, or the grid of a transistor into the second driving circuit provides gating letter Number；The material for constituting the second data line or second signal line is transparent conductive material.By the way that signal wire in second signal group is adopted It is prepared with transparent conductive material, not only can form grating to avoid signal wire in second signal group, but also can be to avoid second Signal wire shading in signal group.To which the light-receiving effect and light acceptance amount of optical device can be improved.
Optionally, display screen further includes for the first signal line group to the first driving circuit transmission driving signal and being used for To the second signal line group of the second driving circuit transmission driving signal；First signal line group includes a plurality of first signal wire；First Signal wire is used for transmission operating voltage, or the grid of a transistor into the first driving circuit provides gating signal；The Binary signal line group includes a plurality of second signal line；Second signal line is used for transmission operating voltage, or into the second driving circuit A transistor grid provide gating signal；Along the direction of routing of the first signal wire, display screen includes two and is located at Low-density pixel group two sides, and the high density pixel group being arranged side by side with the low-density pixel group；The second of multiple array arrangements The second pixel of every row in pixel is gone together setting with the first pixel of a line in the first pixel of multiple array arrangements；Every a line First pixel includes the first sub-pix of multiple array arrangements；Every the second pixel of a line includes the second sub- picture of multiple array arrangements Element；In every the first pixel of row, in the first signal wire and every the second pixel of row of the first sub-pix electrical connection of same a line, position It is shared in the second signal line that second sub-pix of same a line is electrically connected.First high density pixel group and the second high density pixel group In be located at and do not share same first signal wire with first sub-pix of a line, the second pixel is not provided in the second viewing area Do not have to the first signal wire of setting at position, environment light can be blocked to avoid the first signal wire, further increase the second display The transmitance in area.
Optionally, display screen further includes for the first signal line group to the first driving circuit transmission driving signal and being used for To the second signal line group of the second driving circuit transmission driving signal；First signal line group includes the first data line；First data Line is used for transmission data voltage；Second signal line group includes the second data line；Second data line is used for transmission data voltage；Along The direction of routing of one data line, display screen include two and are located at low-density pixel group two sides, and with the low-density pixel group High density pixel group arranged side by side；The second pixel of each column in second pixel of multiple array arrangements, with multiple array arrangements The first pixel in column the first pixel same column setting；Each the first pixel of column includes the first sub- picture of multiple array arrangements Element；Each the second pixel of column includes the second sub-pix of multiple array arrangements；In the first pixel of each column, positioned at the first of same row First data line of sub-pix electrical connection, in the second pixel of each column, positioned at the second of the second sub-pix electrical connection of same row Data line shares；In two high density pixel groups, two the first data lines being electrically connected positioned at the first sub-pix of same row lead to Connecting line coupling is crossed, connecting line gets around the second viewing area.It is located in third high density pixel group and the 4th high density pixel group same The first data line that first sub-pix of one column is separately connected is coupled by connecting line, and connecting line is not passed through the second viewing area, and It is to bypass the second viewing area.It is not provided in the second viewing area at the position of the second pixel and does not have to the first data line of setting, it can Environment light is blocked to avoid the first data line, further increases the transmitance of the second viewing area.
Optionally, display screen further includes that the black square of the first driving circuit and the second driving circuit far from one side of substrate is arranged in Battle array layer；The orthographic projection on substrate of the orthographic projection on substrate of first driving circuit, the first signal line group, the second driving circuit exist The orthographic projection of orthographic projection and second signal line group on substrate on substrate is respectively positioned on the orthographic projection of black matrix layer on substrate It is interior.By the way that black matrix layer is arranged, and black matrix layer is made to cover the first driving circuit, the first signal line group, the second driving circuit, the Binary signal line group.So, the first driving circuit, the first signal line group, second on the one hand can be mapped to avoid ambient lighting On driving circuit, second signal line group.On the other hand, even if component environment light is from the first luminescent device and the second luminescent device Be mapped to the first driving circuit, the first signal line group, the second driving circuit, in second signal line group, black matrix layer can also be right The environment light that first driving circuit, the first signal line group, the second driving circuit, second signal line group reflect is blocked, and can be dropped The interference that low light reflectivity uses up display.
Optionally, the first luminescent device includes the first cathode, and the second luminescent device includes the second cathode；The thickness of first cathode Degree is greater than the thickness of the second cathode.By the way that the thickness of the second cathode in the second luminescent device in the second viewing area is thinned, The transmitance of the second cathode can be improved, so as to promote the transmitance of the second viewing area.
Optionally, every one second luminescent device includes the second cathode；Setting is spaced between adjacent second cathode.By in phase White space between adjacent second pixel is not provided with the second cathode, filtration of second cathode to environment light can be eliminated, into one Step improves the transmitance of the second viewing area.
Optionally, display screen further includes that polarization layer of first driving circuit far from one side of substrate is arranged in；It is set on polarization layer It is equipped with third opening, third opening is located at the second viewing area.Polarization layer is provided only on the first viewing area, in the second viewing area not Polarization layer is set.So, polarization layer will not filter out effect to the environment light for passing through the second viewing area, and it is aobvious can to promote second Show the transmitance in area.
Optionally, display screen further includes multiple third luminescent devices between adjacent second pixel；Positioned at multiple battle arrays A line third luminescent device between the adjacent rows in the second pixel of arrangement is arranged, in the first pixel of multiple array arrangements The first luminescent device of a line go together setting.By between adjacent second pixel white space third luminescent device is only set, And it is not provided with driving circuit.Since third luminescent device is translucent construction, the influence to the transmitance of the second viewing area compared with It is small.So, the display screen that this example provides does not change existing preparation on the basis of improving the transmitance of the second viewing area Technique when electroluminescence layer, escapable cost.
Optionally, display screen further includes multiple third luminescent devices between adjacent second pixel；Positioned at multiple battle arrays The column third luminescent device between adjacent two column in the second pixel of arrangement is arranged, in the first pixel of multiple array arrangements Column the first luminescent device same column setting.
Optionally, display screen further includes that the colour of the first luminescent device and the second luminescent device far from one side of substrate is arranged in Filter layer；Chromatic filter layer includes at least and respectively corresponds trichromatic three kinds of color filter patterns；Wherein, every one first photophore Part corresponds to a color filter patterns identical with the first luminescent device luminescent color, and every one second luminescent device corresponds to one and should The identical color filter patterns of second luminescent device luminescent color.By in the first luminescent device and the separate lining of the second luminescent device The chromatic filter layer of bottom side, so that reflected light after chromatic filter layer, could project display screen.In chromatic filter layer For red color filter pattern, when reflected light directive red color filter pattern, in reflected light only feux rouges can pass through it is red Color color filter patterns, green light and blue light in reflected light can not pass through red color filter pattern.It means that red color Color filter pattern has filtered out at least 2/3rds light in reflected light.Similarly, in reflected light only have green light can pass through it is green Color color filter patterns, only blue light can pass through blue color filter pattern in reflected light.Therefore, the colored filter in this example Photosphere can play preferable filtration to reflected light, so that display screen can also have preferable display effect when being not provided with polarizing film Fruit.
Second aspect provides a kind of terminal, the display screen including any one of first aspect；Terminal further includes that setting is being shown Shield the optical device of the back side and light-receiving surface towards display screen, the orthographic projection of optical device on a display screen is located at the second viewing area.
Optionally, optical device includes the first camera；The focal length of first camera is less than 4mm.It is taken the photograph by setting first As head focal length be less than 4mm, influence of the optical grating diffraction to the first camera imaging can be reduced.
Optionally, optical device includes the first camera；The aperture of first camera is greater than f/2.2, wherein f first The focal length of camera.By increasing the aperture of the first camera, the light-inletting quantity of the first camera can be increased to a certain extent.It uses First camera of large aperture can make up influence of the display screen transmitance to light-inletting quantity to a certain extent, promote the first camera shooting The effect of taking pictures of head.
Optionally, the first camera includes image sensor, and the Pixel Dimensions of image sensor are greater than 0.8um.Using big First camera of Pixel Dimensions can make up influence of the display screen transmitance to light-inletting quantity to a certain extent, promote first and take the photograph As the effect of taking pictures of head.
Optionally, terminal further includes processing unit；Optical device further includes second camera；The resolution ratio of second camera Greater than 8M；First camera and second camera are electrically connected with processing unit；First camera is used to transmit to processing unit The contrast-data of picture, second camera are used for the resolution data to processing unit transmission picture；Processing unit for pair Contrast-data and resolution data are handled, and target image is generated.Can make up single camera take pictures it is low-quality lack It falls into.
Detailed description of the invention
Fig. 1 is a kind of block schematic illustration of terminal provided by the embodiments of the present application；
Fig. 2 a is a kind of positional diagram of optical device and display screen provided by the embodiments of the present application；
Fig. 2 b is a kind of sub-pix arrangement schematic diagram of display screen provided by the embodiments of the present application；
Fig. 2 c is a kind of structural schematic diagram of driving circuit provided by the embodiments of the present application；
Fig. 2 d is the structural schematic diagram of another driving circuit provided by the embodiments of the present application；
Fig. 2 e is a kind of structural schematic diagram of display screen provided by the embodiments of the present application；
Fig. 2 f is a kind of structural schematic diagram of pixel defining layer provided by the embodiments of the present application；
Fig. 3 a is the arrangement mode signal of a kind of high density pixel group and low-density pixel group provided by the embodiments of the present application Figure；
Fig. 3 b is that the arrangement mode of another high density pixel group and low-density pixel group provided by the embodiments of the present application shows It is intended to；
Fig. 3 c is the arrangement schematic diagram of sub-pix in a kind of display screen provided by the embodiments of the present application；
Fig. 3 d is a kind of structural schematic diagram of first pixel provided by the embodiments of the present application；
Fig. 3 e is a kind of structural schematic diagram of second pixel provided by the embodiments of the present application；
Fig. 4 a- Fig. 4 d is a kind of region division schematic diagram of display screen provided by the embodiments of the present application；
Fig. 5 a- Fig. 5 f is the region division schematic diagram of another display screen provided by the embodiments of the present application；
Fig. 6 is that a kind of first viewing area and the second viewing area provided by the embodiments of the present application show the transmission situation of environment light It is intended to；
Fig. 7 is the arrangement schematic diagram of sub-pix in another display screen provided by the embodiments of the present application；
Fig. 8 is a kind of vapor deposition process schematic provided by the embodiments of the present application；
Fig. 9 is a kind of schematic top plan view of display screen provided by the embodiments of the present application；
Figure 10 a be along Fig. 9 A-A ' to schematic cross-sectional view；
Figure 10 b be along Fig. 9 B-B ' to schematic cross-sectional view；
Figure 10 c is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 10 d is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 11 a is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 11 b is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 12 a be along Figure 11 b C-C ' to a kind of schematic cross-sectional view；
Figure 12 b be along Figure 11 b C-C ' to another schematic cross-sectional view；
Figure 12 c be along Figure 11 b C-C ' to another schematic cross-sectional view；
Figure 12 d be along Figure 11 b C-C ' to another schematic cross-sectional view；
Figure 13 is a kind of environment optical diffraction process schematic provided by the embodiments of the present application；
Figure 14 a is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 14 b be along Figure 14 a D-D ' to schematic cross-sectional view；
Figure 15 a is a kind of schematic top plan view of second driving circuit provided by the embodiments of the present application；
Figure 15 b is a kind of positional diagram for filling up block and the second driving circuit provided by the embodiments of the present application；
Figure 16 a is a kind of positional diagram of shading strip and second signal line provided by the embodiments of the present application；
Figure 16 b is the positional diagram of another shading strip and second signal line provided by the embodiments of the present application；
Figure 17 a is the positional relationship signal of a kind of first subsignal line and the second subsignal line provided by the embodiments of the present application Figure；
Figure 17 b be along Figure 17 a E-E ' to schematic cross-sectional view；
Figure 18 a is the structural schematic diagram of the second signal line in a kind of display screen provided by the embodiments of the present application；
Figure 18 b is the structural schematic diagram of second signal line conventional in a kind of display screen provided by the embodiments of the present application；
Figure 18 c is that the connection relationship of a kind of second signal line and gate driving circuit provided by the embodiments of the present application is illustrated Figure；
Figure 19 a is the structural schematic diagram of the second data line in a kind of display screen provided by the embodiments of the present application；
Figure 19 b is the structural schematic diagram of the second data line conventional in a kind of display screen provided by the embodiments of the present application；
Figure 20 a is a kind of structural schematic diagram of the black matrix layer provided by the embodiments of the present application in display screen；
Figure 20 b is structural schematic diagram of another black matrix layer provided by the embodiments of the present application in display screen；
Figure 21 is a kind of structural schematic diagram of first cathode and the second cathode provided by the embodiments of the present application；
Figure 22 a- Figure 22 c is the preparation process signal of a kind of first cathode and the second cathode provided by the embodiments of the present application Figure；
Figure 23 a is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 23 b be along Figure 23 a H-H ' to schematic cross-sectional view；
Figure 24 a is the schematic top plan view of another display screen provided by the embodiments of the present application；
Figure 24 b be along Figure 24 a M-M ' to schematic cross-sectional view；
Figure 25 is a kind of structural schematic diagram of display screen provided by the embodiments of the present application；
Figure 26 is a kind of structural schematic diagram of terminal provided by the embodiments of the present application；
Figure 27 is a kind of structural schematic diagram of first camera provided by the embodiments of the present application；
Figure 28 is the light path schematic diagram that a kind of first camera provided by the embodiments of the present application receives diffraction light；
Figure 29 is a kind of structural schematic diagram of image sensor provided by the embodiments of the present application；
Figure 30 is the structural schematic diagram of another terminal provided by the embodiments of the present application.
Appended drawing reference:
01- terminal；10- housing unit；20- display screen；The first pixel of 21-；The first sub-pix of 211-；212- first drives Circuit；The first luminescent device of 213-；The first signal line group of 214-；The first data line of 2141-；The first signal wire of 2142-；2143- Connecting line；The second pixel of 22-；The second sub-pix of 221-；The second driving circuit of 222-；The second luminescent device of 223-；224- second Signal line group；The second data line of 2241-；2242- second signal line；22421- the first subsignal line；The second subsignal of 22422- Line；23- substrate；24- third luminescent device；241- grid；242- gate insulation layer；243- active layer；244- source-drain electrode layer； 245- passivation layer；246- flatness layer；25- pixel defining layer；251- barricade；252- first is open；253- second is open；26- Two insulating layers；27- light shielding block；28- fills up block；29- shading strip；30- optical device；The first camera of 31-；311- route connects It connects；312- image sensor；3121- block of pixels；313- infrared fileter；314- focusing motor；315- lens group；32- second Camera；40- gate driving circuit.50- black matrix layer；The first mask plate of 60-；The open area 61-；62- occlusion area；70- Second mask plate；The opening portion 71-；72- occlusion part；80- polarization layer；81- through-hole；90- chromatic filter layer；91- colorized optical filtering figure Case；100- processing unit.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described, and is shown So, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.
Hereinafter, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can be expressed Or implicitly include one or more of the features.In the description of the present application, unless otherwise indicated, the meaning of " multiple " It is two or more.
In addition, the directional terminologies such as "upper", "lower" are that the orientation put relative to the component signal in attached drawing is come in the application Definition, it should be understood that, these directional terminologies are opposite concepts, they be used for relative to description and clarification, can The variation in the orientation placed with component in reference to the accompanying drawings and correspondingly change.
In this application unless specifically defined or limited otherwise, term " connection " shall be understood in a broad sense, for example, " even Connect " it may be a fixed connection, it may be a detachable connection, or integral；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected.
The embodiment of the present application provides a kind of terminal.The terminal can for tablet computer, mobile phone, electronic reader, remote controler, Personal computer (personal computer, PC), laptop, personal digital assistant (personal digital Assistant, PDA), the product of mobile unit, Web TV, wearable device, television set etc. with display interface, Yi Jizhi Product is dressed in the intelligent displays such as energy wrist-watch, Intelligent bracelet.The embodiment of the present application does not do special limit to the concrete form of above-mentioned terminal System.Following embodiment is the illustration carried out taking the terminal as an example for convenience of explanation.
As shown in Figure 1, above-mentioned terminal 01, mainly includes housing unit 10 and display screen 20.
Display screen 20 is for showing picture, and housing unit 10 is for being carried and being protected to display screen 20.Display screen 20 In housing unit 10.
Wherein, display screen 10 can be realized self-luminous.Display screen 10 can be Organic Light Emitting Diode (organic Light emitting diode, OLED) display screen.
On this basis, as shown in Figure 1, terminal 01 further includes optical device 30, optical device 30 is arranged in display screen 20 The back side a2 side opposite with light-emitting surface a1, and the light-receiving surface of optical device 30 is towards display screen 20.
Wherein, optical device 30 is the component for including photosensitive sensor.Optical device 30 for example can for front camera, Fingerprint sensor etc..
As shown in Figure 2 a, display screen 20 marks off viewing area A and the peripheral region B positioned at the viewing area periphery A.
Wherein, the relative positional relationship and shape of viewing area A and peripheral region B are not defined, in the embodiment of the present application Illustrated for viewing area A mono- week by peripheral region B.
It is understood that the optical device 30 that terminal 01 includes, penetrates 20 directive of the display screen optics device by acquisition The environment light of part 30 realizes concrete function.And display screen 20 only passes through viewing area A ability light transmission, therefore, as shown in Figure 2 a, light Learn the viewing area A that orthographic projection of the device 30 on display screen 20 is located at display screen 20.
As shown in Figure 2 b, above-mentioned viewing area A includes multiple sub-pixes (sub pixel) P, and each pixel includes at least three It is respectively used to show trichromatic sub-pix P.For convenience of explanation, above-mentioned multiple sub-pix P are in the matrix form in the application The explanation carried out for arrangement.
For example, including at least a red sub-pixel P, a green sub-pixels P, a blue subpixels in each pixel P。
It is understood that the shape and arrangement mode of the sub-pix P illustrated in the application are only to illustrate, any limit is not done It is fixed.
In addition, the OLED for being provided with driving circuit Q in each sub-pix P and being electrically connected with driving circuit Q, driving circuit Q is shown for controlling OLED.
Exemplary, in some embodiments, as shown in Figure 2 c, driving circuit Q includes capacitor Cst and multiple switch crystal Manage (M1, M2, M3, M5, M6, M7) and a driving transistor M4.That is, 7T1C structure.
In some embodiments, as shown in Figure 2 d, driving circuit Q include capacitor Cst and a switching transistor M1 with And one driving transistor M2 of female.That is, 2T1C structure.
Certainly, driving circuit Q is also possible to other structures, is only a kind of signal in the embodiment of the present application.
It is stacked mode in display screen 20 about driving circuit Q and luminescent device OLED, as shown in Figure 2 e, display Screen 20 includes substrate 23 and the sub-pix P being arranged on substrate 23.Illustrate that there are two sub-pixes for setting on substrate 23 in Fig. 2 e P。
Above-mentioned driving circuit Q in sub-pix P, including driving transistor M4 as shown in Figure 2 e.Its in driving circuit Q His transistor and driving transistor M4 synchronize formed, same layer is arranged.
As shown in Figure 2 e, the above-mentioned luminescent device OLED in sub-pix P, setting is in driving transistor M4 far from substrate 23 1 Side.OLED includes anode a, electroluminescence layer (the emitting material set gradually along the direction far from substrate 23 Layer, EML), cathode c.
Anode a is electrically connected with the second pole of driving transistor M4, receives the driving current I that driving transistor M4 is generatedsd, electricity Electroluminescent layer EML is in driving current IsdDriving under shine.
Pixel defining layer 25 is provided between neighboring sub-pixel P, pixel defining layer 25 is for preventing neighboring sub-pixel P from issuing Light occur light mixing.
As shown in figure 2f, pixel defining layer 25 includes the barricade 251 and intersected by multiple transverse and longitudinals that multiple transverse and longitudinals are intersected Barricade 251 encloses multiple first openings 252 being set as.One first opening 252 is located at a sub-pix P.
Wherein, as shown in Figure 2 e, driving circuit Q is located at barricade 251 close to 23 side of substrate, and OLED is located at the first opening In 252.
On this basis, in order to improve the daylighting effect of optical device 30, so that the detection accuracy of optical device 30 is improved, Rearrangement is carried out to the sub-pix P in display screen 20.
In some embodiments, as shown in Figure 3a, display screen 20 includes that at least one high density picture is arranged on substrate 23 Element group G and at least one low-density pixel group D；High density pixel group G includes the first pixel 21 of multiple array arrangements and low close Degree pixel group D includes the second pixel 22 of multiple array arrangements.
With display screen 20 including being illustrated for low-density pixel group a D, four high density pixel group G in Fig. 3 a. Wherein, a high density pixel group G is respectively set in the upper and lower, left and right of low-density pixel group D.
As shown in Figure 3a, the pixel being arranged in a row of X in the horizontal direction is known as same one-row pixels.To Y along the vertical direction The pixel being arranged in a row is known as same row pixel.
In some embodiments, as shown in Figure 3a, the second pixel of a line 22 in X in the horizontal direction, low-density pixel group D It is located at same a line with the first pixel of a line 21 in high density pixel group G.Such as, the first picture of the third line in high density pixel group G The second pixel of the first row 22 in 21 and low-density pixel group D of element is located at same a line, constitutes in display screen 20 the from top to bottom Three row pixels.
One in second pixel of column 22 and high density pixel group G in Y along the vertical direction, low-density pixel group D arranges One pixel 21 is located at same row, e.g., in the 4th the first pixel of column 21 and low-density pixel group D in high density pixel group G One the second pixel of column 22 is located at same row, constitutes the 4th column pixel from left to right in display screen 20.
That is, every the second pixel of row 22, go together setting with a line in the first pixel of multirow 21.The second pixel of each column 22, with Column same column setting in the first pixel of multiple row 21.
Spacing that is, either along line direction, or between column direction, adjacent second pixel 22 is at least with one A second sub-pix 221 it is equal sized, spacing between adjacent second pixel 22 is the integer of 221 size of the second sub-pix Times.It is also understood that the second sub-pix 22 is no longer arranged in the position that the second sub-pix 22 should be arranged originally, and it is changed to blank area Domain.
In some embodiments, as shown in Figure 3b, the second pixel of a line 22 in X in the horizontal direction, low-density pixel group D It is not located at same a line with the first pixel of a line 21 in high density pixel group G.
One in second pixel of column 22 and high density pixel group G in Y along the vertical direction, low-density pixel group D arranges One pixel 21 is not located at same row.
Hereinafter, for ease of description, in the second pixel of a line 22 and high density pixel group G in low-density pixel group D The first pixel of a line 21 be located at same a line, in second pixel of column 22 and high density pixel group G in low-density pixel group D One the first pixel of column 21 is illustrated for being located at same row.
As shown in Figure 3a, each first pixel 21 includes at least three for showing trichromatic first sub-pix respectively 211。
It is understood that including at least a red in multiple first sub-pixes 211 that each first pixel 21 includes First sub-pix R1, the first sub-pix of green G1, the first sub-pix of blue B1.With first pixel 21 in Fig. 3 a Including being illustrated for four the first sub-pixes 211, four the first sub-pixes 211 are respectively first sub-pix of red R1, two the first sub-pix of green G1, the first sub-pix of blue B1.
As shown in Figure 3c, every one first sub-pix 211 include at least the first driving circuit 212 and with the first driving circuit 212 the first luminescent device 213, the first driving circuit 212 is for driving the first luminescent device 213 to shine.
Illustrated so that first pixel 21 includes three the first sub-pixes 211 as an example in Fig. 3 c.
As shown in Figure 3a, each second pixel 22 includes at least three for showing trichromatic second sub-pix respectively 221。
It is understood that including at least a red in multiple second sub-pixes 221 that each second pixel 22 includes Second sub-pix R2, the second sub-pix of green G2, the second sub-pix of blue B2.With second pixel 22 in Fig. 3 a Including being illustrated for four the second sub-pixes 221, four the second sub-pixes 221 are respectively second sub-pix of red R2, two the second sub-pix of green G2, the second sub-pix of blue B2.
As shown in Figure 3c, every one second sub-pix 221 include at least the second driving circuit 222 and with the second driving circuit Second luminescent device 223 of 222 electrical connections, the second driving circuit 222 is for driving the second luminescent device 223 to shine.
Illustrated so that second pixel 22 includes three the second sub-pixes 221 as an example in Fig. 3 c.
Wherein, in some embodiments, as shown in Figure 3d, the first driving circuit 212 for example can with shown in above-mentioned Fig. 2 c Driving circuit Q it is identical.As shown in Figure 3 e, the second driving circuit 222 for example can be with driving circuit Q phase shown in above-mentioned Fig. 2 c Together.For example, being 7T1C structure.
In some embodiments, the first driving circuit 212 and the second driving circuit for example can with shown in above-mentioned Fig. 2 d Driving circuit Q is identical.For example, being 2T1C structure.
That is, in the embodiment of the present application, the first sub-pix 211 and display same color light of display same color light The structure of the second sub-pix 221 can be identical.
Wherein, the region where the first pixel 21 of multiple array arrangements is the first viewing area A1, multiple array arrangements Region where second pixel 22 is the second viewing area A2.
Based on this, as shown in fig. 4 a, viewing area A includes the first viewing area A1 and the second viewing area A2.It is not shown to first The relative positional relationship and shape of area A1 and the second viewing area A2 are defined.
First viewing area A1 has high density pixel group G to be covered with, and the second viewing area A2 is covered with by low-density pixel group D.
In some embodiments, as shown in Figure 4 a- shown in Figure 4 d, the second viewing area A2 is located at the side of the first viewing area A1.
In some embodiments, as shown in Fig. 5 a- Fig. 5 f, the first viewing area A1 surrounds the second viewing area A2.
Wherein, the second viewing area A2 can be a region as shown in Fig. 5 a- Fig. 5 d；It can also be such as Fig. 5 e- Fig. 5 f institute Show, is multiple regions.In the case where the second viewing area A2 is multiple regions, a low-density pixel is provided in each region Group D.
As shown in Figure 3a, the pixel density of the first viewing area A1 where the first pixel 21 of multiple array arrangements is greater than more The pixel density of the second viewing area A2 where the second pixel 22 of a array arrangement.
Pixel density (pixels per inch, PPI), refers to the pixel quantity that per inch screen is possessed.First display The pixel density of area A1 is greater than the pixel density of the second viewing area A2, it can be understood as shown in Figure 3a, in the first viewing area A1 The distance between adjacent first pixel 21 is less than the distance between adjacent second pixel 22 in the second viewing area A2.That is, In same area, the quantity of the first pixel 110 of setting is greater than the quantity of the second pixel 120.
Since the pixel density of the first viewing area A1 is greater than the pixel density of the second viewing area A2, as shown in Figure 3c, The closeness of the first driving circuit 112 of first viewing area A1 is intensive greater than the second driving circuit 122 of the second viewing area A2 Degree, so that the quantity of transistor of the quantity of the transistor of the first viewing area A1 greater than the second viewing area A2.
As shown in fig. 6, optical device 30 is located at the back side a2 of display screen 20, since the first driving circuit 212 and second drives Transistor in dynamic circuit 222 is light screening material, and environment light emission is to after the first driving circuit 212 and the second driving circuit 222, meeting Environment light is blocked, causes light that can not penetrate, thus can not directive optical device 30.Due to being deposited in the second viewing area A2 In the white space for being not provided with the second driving circuit 122, therefore, the environment light transmission rate of the second viewing area A2 is greater than the first display The environment light transmission rate of area A1.
In the embodiment of the present application, by being the first viewing area A1 and the second viewing area A2 by viewing area A points, and first is set to show Show that the pixel density of the first pixel 21 of array arrangement in area A1 is greater than the second pixel 22 of array arrangement in the second viewing area A2 Pixel density so that quantity of the quantity of the transistor of the second viewing area A2 less than the transistor of the first viewing area A1.Quite The area of transmission region increases in the second viewing area A2, and aperture opening ratio increases, and regional area entirety transmitance is promoted, so that the The environment light transmission rate of two viewing area A2 is greater than the environment light transmission rate of the first viewing area A1.
Based on this, environment light is blocked in order to reduce the second driving circuit 222, by the second driving circuit in this example 222 are set as 2T1C structure shown in Fig. 2 d.Compared to 7T1C structure as shown in Figure 2 c is set as, the number of transistor can be reduced Amount, to reduce the area occupied of the second driving circuit 222.To reduce the shaded effect of the second driving circuit 222, the is improved The transmitance of two viewing area A2.
Based on this, it is arranged when by optical device 30 in the second viewing area A2, the ring of optical device 30 can be further increased Border light-receiving rate, to improve 30 performance of optical device.
In order to further increase the performance of optical device 30 in terminal 01, provided by the embodiments of the present application above-mentioned aobvious On the basis of display screen 20, terminal 01 is further improved by the structure in following example.
Example one
When preparing display screen 20 to reduce, to the change that preparation process makes, the structure of display screen 20 is improved.
In some embodiments, as shown in fig. 7, display screen 20 further includes multiple between adjacent second pixel 221 Third luminescent device 24.
A line third luminescent device 24 between adjacent rows in the second pixel 22 of multiple array arrangements is and more The first luminescent device 213 in the first sub-pix of a line 211 in first pixel 21 of a array arrangement, which is gone together, to be arranged.
The column third luminescent device 24 between adjacent two column in the second pixel 22 of multiple array arrangements is and more 213 same column of the first luminescent device setting in first sub-pix of column 211 in first pixel 21 of a array arrangement.
That is, the arrangement rule of multiple third luminescent devices 24, in the first pixel 21 of multiple array arrangements, the The arrangement rule of the first luminescent device 213 in one sub-pix 211 is identical.
So, as shown in fig. 7, as a whole, the first luminescent device 213, the second photophore in display screen 20 Part 223 and third luminescent device 24 are arranged in array.First luminescent device 213, the second luminescent device 223 and third shine In device 24, the structure for sending out the luminescent device of same color light is identical.
Therefore, the first luminescent device 213, the second luminescent device 223 and in display screen 20 as shown in Figure 7 are prepared Three luminescent devices 24, and the luminescent device in display screen 20 as shown in Figure 2 b is prepared, the mask plate of use can be identical, is not necessarily to Change preparation process.
Exemplary, the first luminescent device 213, the second luminescent device 223 and third luminescent device 24 include EML, EML It is prepared by evaporation process.
As shown in figure 8, substrate 23 is fixed by the magnetic sheet 41 of top, fine metal mask plate when vapor deposition preparation EML (fine metal mask, FMM) 42 is by positioning of throwing the net, the lower section in substrate 23, the crucible that bottom uses for vapor deposition 43.It is placed with luminous organic material in crucible 43, after heating crucible 43, luminous organic material evaporation sprays to FMM42.
The upper shaded areas 421 of FMM42 can block substrate 23, be attached to luminous organic material on FMM.FMM42 upper opening Substrate 23 is not blocked in region 422, and luminous organic material can be attached on substrate 23, forms EML.
It is understood that when forming EML, it is deposited every time, only forms the EML for sending out color of light a kind of.
Based on this, for example, the upper shaded areas 421 of FMM42 should block the EML of blue light-emitting simultaneously when forming the EML to glow With the position EML of green light, the corresponding position EML to glow in FMM42 upper opening region 422.
It is understood that from can be seen that the first driving circuit 212 and the second display in the first viewing area A1 in Fig. 3 c The arrangement rule of the second driving circuit 222 is different in area A2, the first luminescent device 213 and the second viewing area in the first viewing area A1 The arrangement rule of the second luminescent device 223 is different in A2.And under common process, as shown in Figure 2 b, driven in entire display screen 20 The arrangement rule of circuit Q and luminescent device OLED is identical.Therefore, it in order not to change existing preparation process, remains to continue Use existing mask plate.
Therefore, third luminescent device 24 is only arranged in white space between adjacent second pixel 221 in this example, without setting Set driving circuit.Since third luminescent device 24 is translucent construction, the influence to the transmitance of the second viewing area A2 is smaller. So, the display screen 20 that this example provides does not change existing system on the basis of improving the transmitance of the second viewing area A2 Technique when standby electroluminescence layer, escapable cost.
It is understood that there is no third luminescent device 24 in Fig. 3 c in the second viewing area A2, adjacent second luminescent device It is white space between 223.Therefore, prepare the FMM42's that display screen 20 shown in Fig. 3 c and display screen shown in Fig. 7 20 use Structure is different, but preparation process is still identical.It, can by adjusting the shape of shaded areas 421 and open area 422 on FMM42 Structure shown in Fig. 3 c and structure shown in Fig. 7 are prepared respectively.
Example two
In order to further increase the transmitance of white space, the structure of the second luminescent device 223 in display screen 20 is carried out It improves.
As shown in figure 9, pixel defining layer 25 is including multiple barricades 251 arranged in a crossed manner and by multiple gears arranged in a crossed manner Wall 251 encloses multiple first openings 252 being set as.
It is understood that the setting of pixel defining layer 25 is in the first driving circuit 212 and the second driving circuit 222 far from lining 23 side of bottom.
Wherein, multiple first openings 252 are located at the first sub-pix 211 and the second sub-pix 221.
Exemplary, as shown in Figure 10 a, one first opening 252 is located at first sub-pix 211.
That is, corresponding one first opening 252 of first sub-pix of each of display screen 20 211, the first opening 252 Define the transparency range of the first corresponding sub-pix 211.Corresponding one first opening 252 of each second sub-pix 221, First opening 252 defines the transparency range of the second corresponding sub-pix 221.
Based on this, as shown in figure 9, every one first luminescent device 213 and every one second luminescent device 223 respectively correspond one First opening 252, not set second luminescent device 223 in the first opening 252 of the gap location between adjacent second pixel 22.
As shown in Figure 10 a, the first luminescent device 213 includes infusing along the hole that the direction far from substrate 23 is cascading Enter layer (hole inject layer, HIL), hole transmission layer (hole transport layer, HTL), electroluminescence layer EML, electron transfer layer (electron transport layer, ETL) and electron injecting layer (electron inject Layer, EIL).Every layer in HIL, HTL, ETL and EIL in multiple first luminescent devices 213 is structure as a whole, and one EML is located in one first opening 252.
As shown in fig. lob, the second luminescent device 223 include along far from substrate 23 direction be cascading HIL, HTL, EML, ETL and EIL.At least one of HIL, HTL, ETL and EIL in second luminescent device 223 are only located at In one opening 252, it is not extend in the white space between adjacent second pixel 22.One EML is located at one first opening 252 It is interior.
In Figure 10 b, it is structure as a whole with the EIL in multiple second luminescent devices 223, HIL, HTL and ETL are independence Block structure for illustrated.
From top view, by taking the HIL in display screen 20 as an example, the structure of HIL as shown in figure l0c, the second photophore HIL in part 223 is block structure, and the HIL in multiple first luminescent devices 213 is structure as a whole.
Above-mentioned HIL, such as can be prepared by the evaporation process illustrated in above-mentioned example one.By changing in Fig. 8 The pattern in FMM 42 the split shed region 422 and shaded areas 421 of signal makes the corresponding place HIL to be formed in open area 422 Region, and make the corresponding region for not necessarily forming HIL of shaded areas 421, so that HIL be prepared.
Above-mentioned HIL, such as can also be prepared by patterning processes.It is exemplary, patterning processes may include: firstly, Electrochromic Molybdenum Oxide Coatings are plated on the substrate 23 for being formed with the second driving circuit 223.Secondly, being sprayed into yellow light room photosensitive extremely strong Photoresist liquid (such as photoresist).Furthermore mask plate irradiation blue violet light is put on, photoresist liquid is exposed.Then, it is sent to development zone Spray developing liquid, the photoresist after can removing irradiation, the photoresist of non-illumination are remained, are protected to Electrochromic Molybdenum Oxide Coatings, do not have There are the Electrochromic Molybdenum Oxide Coatings of photoresist occlusion area to expose.Then, the Electrochromic Molybdenum Oxide Coatings that no photoresist blocks are etched away.Finally, removal The photoresist of reservation.So, the structure remained is exactly required HIL.
It is understood that mask plate includes that occlusion area and open area put mask plate when carrying out blue violet light exposure Between substrate 23 and light source, photoresist has been sprayed on Electrochromic Molybdenum Oxide Coatings at this time.Photoresist is masked the area that the shaded areas of plate is blocked Domain is not irradiated to by blue violet light, that is, is not exposed, and photoresist corresponding with mask plate open area is shone by blue violet light It is mapped to, that is, is exposed.Photoresist after exposure can be removed, and the photoresist not exposed remains.There is no light Hindering the Electrochromic Molybdenum Oxide Coatings blocked can finally be etched away, that is to say, that the corresponding Electrochromic Molybdenum Oxide Coatings of occlusion area can be retained Come, HIL required for being formed.The corresponding Electrochromic Molybdenum Oxide Coatings in open area can be etched away.
Wherein, the HIL in the first luminescent device 213 and the second luminescent device 223 can be by the same as a patterning processes system It is standby to obtain.
Based on this, HTL, ETL and EIL in the first luminescent device 213 and the second luminescent device 223 can also be by upper Patterning processes are stated to be prepared.Can be by the structure of occlusion area and open area in change mask plate, it can be in substrate 23 Upper formation different pattern, above-mentioned first luminescent device 213 and the second luminescent device 223 is prepared.
Second sub-pix 221 of each of multiple second sub-pixes 221 in same second pixel 22 includes one the Two luminescent devices 223.In some embodiments, in order to simplify patterning processes, for belonging to multiple the of same second pixel 22 For two luminescent devices 223, as shown in fig. 10d, the HIL that multiple second luminescent devices 223 include is linked together structure.
It still can have a certain impact because although HIL, HTL, ETL and EIL are light-transmissive film layer, but to transmitance. Therefore, by making at least one of HIL, HTL, ETL and EIL in the second luminescent device 223 be only located at the first opening 252 It is interior, it is not extend in the white space between adjacent second pixel 22, can avoid these film layers pair of HIL, HTL, ETL and EIL The influence of the transmitance of second viewing area A2 further increases the transmitance of the second viewing area A2.
Example three
Example three is from the difference of example two: the structure of pixel defining layer 25 is different.
As shown in fig. 11a, pixel defining layer 25 further includes enclosing at least one being set as by multiple barricades 251 arranged in a crossed manner Second opening 253.
Second opening 253 is located in the second pixel 22 of multiple array arrangements between adjacent second pixel 22, for being spaced The second adjacent pixel 22.
That is, due to no setting is required between adjacent second pixel 22 second sub-pix 221, it is therefore not necessary to be arranged to The structure of first opening 252, and it is arranged to the structure at least through the second opening 253 of three the second sub-pixes 221.In this way One, compared to shown in Figure 10 b, barricade 251 is not provided in the white space between adjacent second pixel 22.Since barricade 251 is Light screening material, therefore, being not provided with barricade 251 can further improve the transmitance of the second viewing area A2.According to the second pixel 22 It arranges right difference, the structure of the second opening 253 is also different.As shown in fig. 11a, a line is only spaced between adjacent second pixel 22 When sub-pix, the second opening 253 runs through a line sub-pix.
In some embodiments, it is blocked to further decrease barricade 251 to environment light, it is as shown in figure 11b, adjacent Second opening 253 is connected.
That is, multiple second openings 253 are connected when being not provided with the second pixel 22 between multiple second openings 253.
That is, the gap when the second pixel of full line 22 and the setting of the interval of the second pixel of full line 22, between adjacent rows Perforation.Gap perforation when the second pixel of permutation 22 and the setting of the interval of the second pixel of permutation 22, between adjacent column.
Example four
In order to further increase the transmitance of white space, the structure of the second driving circuit 222 in display screen 20 is carried out It improves.
As shown in Figure 3 e, the second driving circuit 222 includes multiple transistors.
Each transistor includes conductive layer and the first insulating layer being stacked with conductive layer.
Wherein, by taking the driving transistor M4 in the second driving circuit 222 as an example, as figure 12 a shows, transistor M4 packet is driven It includes and is cascading grid 241, gate insulation layer 242, active layer 243, source on substrate 23 along the direction far from substrate 23 Drain electrode layer 244 and passivation layer 245.
Wherein, source-drain electrode layer 244 includes the first pole and the second pole, and the first pole can be for example source electrode, and second extremely Drain electrode.
Conductive layer for example can be grid 241, be also possible to source-drain electrode layer 244.First insulating layer can be gate insulation Layer 242 or passivation layer 245.
For the ease of preparation, multiple transistors share same first insulating layer in same second driving circuit 222.
On this basis, setting is spaced between the first insulating layer in adjacent second driving circuit 222.
That is, the first insulating layer in each second driving circuit 222 is block structure, multiple second driving circuits The first insulating layer in 222 is absolute construction, has gap between each other.It is also understood that the first insulating layer does not extend To the white space between the second pixel 22.
For example, as figure 12 a shows, above-mentioned conductive layer is source-drain electrode layer 244, the first insulating layer is passivation layer 245.Each Passivation layer 245 in second driving circuit 222 is block structure, is led between the passivation layer 245 in adjacent second driving circuit 222 Clearance gap is crossed to be arranged, rather than integral structure.
It is understood that each film layer in multiple transistors in the second driving circuit 222 is same layer setting, example Such as, transistor M1, transistor M2 shown in Fig. 3 e, transistor M3, driving transistor M4, transistor M5, transistor M6, transistor Grid in M7 is by being prepared with a patterning processes.
Exemplary, patterning processes may include: firstly, plating metallic film on substrate 23.Secondly, being sprayed into yellow light room Upper photosensitive extremely strong photoresist liquid (such as photoresist).Furthermore mask plate irradiation blue violet light is put on, photoresist liquid is exposed.With Afterwards, it is sent to development zone spray developing liquid, the photoresist after can removing irradiation, the photoresist of non-illumination remains, to metallic film It is protected, is exposed without the metallic film of photoresist occlusion area.Then, the metallic film that no photoresist blocks is etched away.Most Afterwards, the photoresist of reservation is removed.So, the structure remained is exactly required gate pattern.
It is understood that mask plate includes that occlusion area and open area put mask plate when carrying out blue violet light exposure Between substrate 23 and light source, photoresist has been sprayed on metallic film at this time.Photoresist is masked the region that the shaded areas of plate is blocked It is not irradiated to by blue violet light, that is, is not exposed, photoresist corresponding with mask plate open area is irradiated by blue violet light It arrives, that is, is exposed.Photoresist after exposure can be removed, and the photoresist not exposed remains.There is no photoresist The metallic film blocked can be finally etched away, that is to say, that the corresponding metallic film of shaded areas can be retained, and be formed Required gate pattern.The corresponding metallic film in open area can be etched away.
Based on this, other film layers in transistor can also be prepared by above-mentioned patterning processes.Change can be passed through The structure of occlusion area and open area in mask plate can form different pattern on substrate 23, to be prepared above-mentioned Two driving circuits 222.
It is understood that the first driving circuit 212 in display screen 20 can synchronous shape with the second driving circuit 222 At.
Since the transistor in the second driving circuit 222 is synchronous formation, only with the second driving electricity in this example For driving transistor M4 in road 222, each film layer in the second driving circuit 222 is illustrated.
In one case, driving transistor M4 is bottom-gate-type transistor.
As figure 12 a shows, driving transistor M4 includes being cascading on substrate 23 along the direction far from substrate 23 Grid 241, gate insulation layer 242, active layer 243, source-drain electrode layer 244 and passivation layer 245.
Wherein, source-drain electrode layer 244 includes the first pole and the second pole, and the first pole can be for example source electrode, and second extremely Drain electrode.
Above-mentioned conductive layer is source-drain electrode layer 244, and the first insulating layer is passivation layer 245.In each second driving circuit 222 Passivation layer 245 be block structure, by clearance gap setting between the passivation layer 245 in adjacent second driving circuit 222, and Non-integral structure.
As shown in Figure 12b, above-mentioned conductive layer is also grid 241, and the first insulating layer is also gate insulation layer 242.Each second Gate insulation layer 242 in driving circuit 222 is block structure, is led between the gate insulation layer 242 in adjacent second driving circuit 222 Clearance gap is crossed to be arranged, rather than integral structure.
In another case, driving transistor M4 is top gate-type transistors.
As shown in fig. 12 c, driving transistor M4 includes being cascading on substrate 23 along the direction far from substrate 23 Active layer 243, gate insulation layer 242, grid 241, passivation layer 245 and source-drain electrode layer 244.
Above-mentioned conductive layer is grid 241 and source-drain electrode layer 244, and the first insulating layer is gate insulation layer 242 and passivation layer 245.Gate insulation layer 242 and passivation layer 245 in each second driving circuit 222 are block structure, adjacent second driving circuit It is arranged between gate insulation layer 242 in 222 and passivation layer 245 by clearance gap, rather than integral structure.
It is, of course, understood that when driving transistor M4 far from 23 side of substrate also to need that other insulating film layers are arranged (such as setting flatness layer), which can also be identical with the structure of gate insulation layer 242.
It is understood that as shown in fig. 12 c, with the gate insulation layer 242 in each second driving circuit 222 in this example It extends to for 223 region of the second luminescent device and is illustrated with passivation layer 245.Gate insulation layer 242 and passivation layer 245 It can be not extend to 223 region of the second luminescent device, be only positioned at 223 region of the second driving circuit.In the case, Second driving circuit 222 can according to need setting flatness layer 246 far from 23 side of substrate.
Although still having certain shadow to transmitance since gate insulation layer 242 and passivation layer 245 are light-transmissive film layer It rings.Therefore, by making at least one of gate insulation layer 242 and passivation layer 245 be block structure, it is not extend to adjacent second picture In white space between element 22, it can avoid gate insulation layer 242 and these film layers of passivation layer 245 to the transmission of the second viewing area A2 The influence of rate further increases the transmitance of the second viewing area A2.
In some embodiments, the material of above-mentioned first insulating layer is light screening material.First insulating layer is on substrate 23 Orthographic projection interlocks with orthographic projection of second luminescent device 223 on substrate 23.
Due to the first insulating layer be it is short-circuit between adjacent conductive layer for preventing, in the second driving circuit 222 Conductive layer is respectively positioned on the first insulating layer in the orthographic projection on substrate 23 in the orthographic projection on substrate 23.
First insulating layer interlocks in the orthographic projection on substrate 23 with orthographic projection of second luminescent device 223 on substrate 23, It is to be understood that the first insulating layer is not extend to 223 region of the second luminescent device, it is only positioned at 222 institute of the second driving circuit In region.
As shown in figure 12d, above-mentioned first insulating layer is passivation layer 245, and the material of passivation layer 245 is light screening material, passivation Layer 245 is in the orthographic projection and orthographic projection no overlap of second luminescent device 223 on substrate 23 on substrate 23.
As shown in Figure 3 e, include multiple transistors in the second driving circuit 222, connected between multiple transistors by connecting line It connects, there are gaps between connecting line and connecting line.Due to the gap between the line width and connecting line of connecting line itself width all Be it is micron-sized, therefore, just constitute grating between these connecting lines.As shown in figure 13, when environment light is constituted across connecting line Grating when, it may occur that diffraction.Light after diffraction has light and shade striped, influences the accuracy that optical device 30 acquires information.
Therefore, by being light screening material by the material selection of the first insulating layer in this example, and cover the first insulating layer Gap between connecting line, to avoid environment light that diffraction occurs, can guarantee optics device to avoid grating is formed between connecting line The accuracy of the acquisition information of part 30.
Example five
By the way that light shield layer is separately provided, the grating formed to the second driving circuit 222 is blocked.
As shown in figures 14a, display screen 20 further includes the first light shield layer, and the first light shield layer includes multiple shadings being independently arranged Block 27, the corresponding light shielding block 27 of every one second driving circuit 222.
Herein, due to not set second driving circuit 222 of gap location between adjacent second pixel 22, corresponding position is not Light shielding block 27 is set.
It should be noted that when in order to illustrate the second sub-pix 221 setting light shielding block 27 and be not provided with light shielding block 27 It distinguishes, does not illustrate light shielding block 27 in the second sub-pix of part 221 in Figure 14 a.
Wherein, the first light shield layer can be located at the second driving circuit 222 close to 23 side of substrate, can also be located at second and drive Circuit 222 is moved far from 23 side of substrate.
It is better to the shaded effect of the second driving circuit 222 since 27 distance the second driving circuit 222 of light shielding block is closer. Therefore, in some embodiments, as shown in fig. 14b, light shielding block 27 is located at the second luminescent device 223 close to 23 side of substrate.
It is understood that as shown in fig. 14b, light shielding block 27 can be with when the material of light shielding block 27 is resin material Conductive layer (by taking grid 241 as an example) in second driving circuit 222 directly contacts.It is conductive material in the material of light shielding block 27 When, insulating layer should be provided between the conductive layer in light shielding block 27 and the second driving circuit 222.
Orthographic projection of second driving circuit 222 on substrate 23 is located at light shielding block corresponding with second driving circuit 222 27 in the orthographic projection on substrate 23.That is, the second driving circuit 222 is completely covered in light shielding block 27.
It is used up it is understood that light shielding block 27 does not block display, in some embodiments, as shown in figures 14a, light shielding block 27 interlock in the orthographic projection on substrate 23 with orthographic projection of second luminescent device 223 on substrate 23.
That is, light shielding block 27 is not extend to 223 region of the second luminescent device.
By setting light shielding block 27 in this example, and light shielding block 27 is made to cover the second driving circuit 222, it can be to avoid second Grid 21, source-drain electrode layer 224 in driving circuit 222 and grating is formed between the connecting line between transistor, to keep away Exempt from environment light and diffraction occurs, guarantees that optical device 30 acquires the accuracy of information.
Further, since with regard to relatively low, therefore, the first shading is arranged in 222 region of the second driving circuit transmitance itself Influence of the layer to transmitance is also smaller, will not influence the performance of optical device 30.
Example six
By being smoothed to the second driving circuit 222, the grating formed to the second driving circuit 222 is hidden Gear.
As shown in fig. 15 a, at least part of the profile of orthographic projection of second driving circuit 222 on substrate 23 is folding Line.Such as the part in Figure 15 a in dotted line frame.
On this basis, display screen 20 further includes filling up layer, and as illustrated in fig. 15b, filling up layer includes multiple be independently arranged Fill up block 28.
Wherein, as illustrated in fig. 15b, by taking second sub-pix 221 as an example, orthographic projection of the block 28 on substrate 23 is filled up, With the area coincidence where the recessed position for the broken line for filling up corresponding second driving circuit 222 of block 28 with this.
It is understood that one is filled up block 28 when including multiple recessed positions at the broken line of the second driving circuit 222 A corresponding recessed position, multiple shapes for filling up block 28 are not exactly the same.
The rough region of marginal position of second driving circuit 222 is filled and led up that is, filling up block 28, so as to fill out Patch 28 and the second driving circuit 222 as a whole when, orthographic projection of the entirety on substrate 23 be convex polygon.
Herein, the material for filling up block 28 is not defined, can be conductive material, be also possible to non-conducting material.It answers When it is realized that, when the material for filling up block 28 is conductive material, grid in the second driving circuit 222 should not be influenced by filling up block 28 Pole 241, source-drain electrode layer 244 performance.
In some embodiments, for the ease of preparation, filling up layer be can be set in the second driving circuit 222 far from substrate 23 Side, filling up layer also can be set in the second driving circuit 222 close to 23 side of substrate.
It is understood that filling up between layer and the second driving circuit 222 and setting when the material for filling up layer is conductive material It is equipped at least one layer of insulating layer.
In some embodiments, it in order to reduce the thickness of display screen 20, fills up in layer and the second driving circuit 222 at least One layer of same material of conductive layer same layer.
That is, the material for filling up layer is conductive material, prepared in the second driving circuit 222 by patterning processes When a certain layer conductive layer, it is formed simultaneously and fills up layer.
Herein, it should be apparent that, by taking 241 same layer of grid filled up in layer and the second driving circuit 222 is with material as an example, Although the grid 241 filled up in layer and the second driving circuit 222 by being prepared with a patterning processes, if fill up layer and Grid 241 will affect the performance of the second driving circuit 222 after being electrically connected, then fill up layer and grid 241 should be separate structure.If filling out Benefit layer and grid 241 will not influence the performance of the second driving circuit 222 after being electrically connected, then filling up layer and grid 241 can be one Body structure.
In addition, filling up layer is not limited to only one layer of structure, it is also possible to be composed of multilayered structure.For example, filling out Mending layer may include that the first son fills up layer and the second son fills up layer.First son fill up layer can in the second driving circuit 222 The same material of 221 same layer of grid, the second son fills up layer can be with the same material of 224 same layer of source-drain electrode layer in the second driving circuit 222 Material.First son fills up layer and the second son fills up layer and is spliced into the shape for filling up layer jointly.
Since the edge of the second driving circuit 222 is uneven irregular shape, the second driving circuit 222 is in substrate At least part of the profile of orthographic projection on 23 is broken line, that is, orthographic projection of second driving circuit 222 on substrate 23 Profile on have many small features, the size of these small features is other in the micron-scale, can also generate diffraction to light, thus Influence the normal work of 20 lower section optical device 30 of display screen.
Therefore, in this example, block 28 is filled up by setting, to orthographic projection of second driving circuit 222 on substrate 23 Small feature on profile is filled up, and avoids the second driving circuit 222 from forming grating, so as to avoid the second driving circuit 222 influence the normal work of 20 lower section optical device 30 of display screen.
Example seven
By the way that the second light shield layer is separately provided, the grating formed to the signal wire on display screen 20 is blocked.
Display screen 20 further includes as illustrated in fig 16 a for the second letter to the second driving circuit 222 transmission driving signal Number line group 224, second signal line group 224 include the second data line 2241 and a plurality of second signal line 2242 arranged in a crossed manner；The Two data lines 2241 are used for transmission data voltage；Second signal line 2242 is used for transmission operating voltage, or electric to the second driving The grid 241 of a transistor in road 222 provides gating signal.
Wherein, second signal line 2242 for example may include a plurality of second grid line and a plurality of second voltage line.One second Grid 241 of the grid line for a transistor into the second driving circuit 222 provides gating signal, and gating signal refers to control The signal that the grid 241 of transistor opens or closes.One second voltage line is for a crystalline substance into the second driving circuit 222 First pole of body pipe or the second pole provide voltage signal.
For the second driving circuit 222 shown in Figure 16 a, operating voltage includes initial signal Vint, high level power supply Voltage signal ELVDD, low level power voltage signal ELVSS.Gating signal includes the first scanning signal N-1, the second scanning letter Number N, enable signal EM.
It is understood that under normal conditions, as illustrated in fig 16 a, arranging along the direction of routing of second signal line 2242 The second signal line 2242 in same second signal line group 224, but the second sub-pix of a line are shared with the second sub-pix of a line 221 Each of 221 second sub-pixes 221 individually connect second data line 2241.
Display screen 20 further includes as illustrated in fig 16 a the second light shield layer, and the second light shield layer includes multiple screenings being independently arranged Striation 29, the corresponding shading strip 29 of each second signal line group 224.
It should be appreciated that no matter a second signal line group 224 connects second sub-pix 221, or connection one The second sub-pix of row 221, the second signal group 224 are a corresponding shading strips 29.
On this basis, as illustrated in fig 16 a, second signal line group 224 in the orthographic projection on substrate 23 at least partly Positioned at shading strip 29 in the orthographic projection on substrate 23.
In some embodiments, as illustrated in fig 16 a, the second signal line 2242 in second signal line group 224 is in substrate 23 On orthographic projection be located at shading strip 29 in the orthographic projection on substrate 23, but the second data line in second signal line group 224 2241 are not on shading strip 29 in the orthographic projection on substrate 23 in the orthographic projection on substrate 23.
That is, shading strip 29 only covers the second signal line 2242 in second signal line group 224, the second letter is not covered The second data line 2241 in number line group 224.
It should be appreciated that as illustrated in fig 16 a, if the part in the second signal line 2242 in second signal line group 224 Positioned at the top of the second sub-pix 221, partially it is located at the lower section of the second sub-pix 221, at this point, shading strip 29 can also be divided into the One sub- shading strip and the second sub- shading strip.
In some embodiments, as shown in fig 16b, the second data line 2241 in second signal line group 224 is in substrate 23 On orthographic projection be located at shading strip 29 in the orthographic projection on substrate 23, but the second signal line in second signal line group 224 2242 are not on shading strip 29 in the orthographic projection on substrate 23 in the orthographic projection on substrate 23.
That is, shading strip 29 only covers the second data line 2241 in second signal line group 224, the second letter is not covered Second signal line 2242 in number line group 224.
It is understood that as shown in fig 16b, it is generally the case that one to arrange along the direction of routing of the second data line 241 In the second sub-pix of column 221, the second data line 241 in same second signal line group 224, but second sub-pix of column are shared Each of 221 second sub-pixes 221 individually connect the second signal line 2242 in a second signal line group 224.
On this basis, as shown in fig 16b, in some embodiments, the second data of two the second sub-pixes of column 221 connection Line 2242 is adjacent, and not one the second sub-pix of column 221 of interval as illustrated in fig 16 a.
In this case, as shown in fig 16b, two adjacent the second data lines 2241 can share same shading strip 29。
Herein, the setting position of the second light shield layer is not defined, is can be set in second signal line group 224 close to lining 23 side of bottom also can be set in second signal line group 224 far from 23 side of substrate.Certainly, in second signal line group 224 In the case where a plurality of different layer setting of signal wire, the second light shield layer can also be arranged between adjacent two layers signal wire.
On this basis, the material of the second light shield layer is not defined, can be conductive material, be also possible to non-conductive Material.
It is understood that in the case where the material of the second light shield layer is conductive material, the second light shield layer and the second letter Insulating layer should be provided between signal wire in number line group 224.
In the case where the material of the second light shield layer is non-conducting material, if a plurality of signal in second signal line group 224 The different layer setting of line, the second light shield layer can serve as the insulating layer between adjacent two layers signal wire, so as to reduce film layer quantity.
Due to including a plurality of signal wire in second signal line group 224, there are gaps between signal wire and signal wire, due to letter The width (such as 3 μm) in gap is all micron-sized, these signals between the line width (such as 2.5 μm) and signal wire of number line itself Grating is just constituted between line, diffraction as shown in fig. 13 that can occur when environment light passes through, to influence under display screen 20 The normal work of square optical device 30.
Therefore, by the way that one layer of second light shield layer is separately provided in this example, signal wire in second signal line group 224 is carried out It blocks, so that 224 region of second signal line group is completely opaque when external environmental light incidence.It can avoid signal Line forms grating, and diffraction caused by eliminating because of signal wire in second signal line group 224 guarantees the performance of optical device 30.
Further, since with regard to relatively low, therefore, the second shading is arranged in 224 region transmitance of second signal line group itself Influence of the layer to transmitance is also smaller, will not influence the performance of optical device 30.
Example eight
By the arrangement mode of signal wire in setting second signal line group 224, signal wire in second signal line group 224 is eliminated The grating of formation.
In a plurality of second signal line 2242 of second signal line group 224, it is partially used as the first subsignal line, partially as the Two subsignal lines.
It is exemplary, initial signal Vint, high level power supply voltage signal ELVDD, low level in second signal line 2242 Power supply voltage signal ELVSS is as the first subsignal line.The first scanning signal N-1, the second scanning in second signal line 2242 Signal N, enable signal EM are as the second subsignal line.
As illustrated in fig 17 a, the first subsignal line 22421 and the second subsignal line 22422 extend in the same direction.Along vertical With the extending direction of the first subsignal line 22421 and the second subsignal line 22422, the first subsignal line 22421 and the second son letter Number line 22422 is arranged alternately, and orthographic projection of the first subsignal line 22421 on substrate 23 be located at the first subsignal line Orthographic projection of the second subsignal line 22422 of 22421 two sides on substrate 23 is overlapping.
That is, the first subsignal line 22421 and the second subsignal line positioned at 22421 two sides of the first subsignal line 22422 overlap joints.So, the second subsignal line 22422 and the first subsignal positioned at 22422 two sides of the second subsignal line Line 22421 also overlaps.
As illustrated in fig. 17b, display screen 20 further include positioned at the first subsignal line 22421 and the second subsignal line 22422 it Between second insulating layer 26.
From sectional view, orthographic projection of the first subsignal of Yao Shixian line 22421 on substrate 23 be located at this first Orthographic projection of the second subsignal line 22422 of 22421 two sides of subsignal line on substrate 23 is overlapping, adjacent first subsignal line Gap h1 between 22421 less than the second subsignal line 22422 line width h2, between adjacent second subsignal line 22422 between Line width h4 of the gap h3 less than the first subsignal line 22421.
Wherein it is possible to be the setting of the first subsignal line 22421 in the second subsignal line 22422 close to 23 side of substrate, It can be the second subsignal line 22422 to be arranged in the first subsignal line 22421 close to 23 side of substrate.
In this example, by the way that second signal line 2242 to be divided to two parts for the setting of different layer, and make using between different layers Signal wire mutually block, the gap that the signal wire that is located on the same floor is formed can be blocked, be equivalent to and eliminate between signal wire Gap, i.e., elimination signal wire line bring diffraction.Without increasing new film layer structure, preparation process can be simplified, and make to show It is lightening to shield 20.
Example nine
By being transparent material by the material selection of signal wire in second signal line group 224, to eliminate second signal line group The grating that signal wire is formed in 224.
Display screen 20 further includes as illustrated in fig 16 a for the second letter to the second driving circuit 222 transmission driving signal Number line group 224, second signal line group 224 include the second data line 2241 and a plurality of second signal line 2242 arranged in a crossed manner；The Two data lines 2241 are used for transmission data voltage；Second signal line 2242 is used for transmission operating voltage, or electric to the second driving The grid 241 of a transistor in road 222 provides gating signal.
In some embodiments, the material for constituting the second data line 2241 is transparent conductive material.
In some embodiments, the material for constituting second signal line 2242 is transparent conductive material.
Transparent conductive material for example can be indium-zinc oxide (indium zinc oxide, IZO), indium tin oxide (indium tin oxide, ITO), aluminium zinc oxide (Al zinc oxide, AZO), indium oxyfluoride (indium F At least one of oxide, IFO).
It, not only can be to avoid by preparing signal wire in second signal group 224 using transparent conductive material in this example Signal wire forms grating in second signal group 224, but also can be to avoid signal wire shading in second signal group 224.So as to Improve the light-receiving effect and light acceptance amount of optical device 30.
Example ten
By adjusting the arrangement mode of second signal line 2242 in second signal line group 224, second signal line 2242 is reduced Influence to the second viewing area A2 transmitance.
As shown in figure 18 a, display screen also 20 includes for the first signal to the first driving circuit 212 transmission driving signal Line group 214 and for the second driving circuit 222 transmission driving signal second signal line group 224.
First signal line group 214 includes a plurality of first signal wire 2142；First signal wire 2142 is used for transmission operating voltage, Or the grid of a transistor into the first driving circuit 212 provides gating signal.
The type of operating voltage and gating signal, can be with reference to the associated description in above-mentioned example seven.
Second signal line group 224 includes a plurality of second signal line 2242；Second signal line 2242 is used for transmission operating voltage, Or the grid of a transistor into the second driving circuit 222 provides gating signal.
Along the direction of routing of the first signal wire 2142, display screen 20 includes two and is located at the two sides low-density pixel group D, And the high density pixel group G being arranged side by side with the low-density pixel group.
That is, the first high density pixel group G1 is provided on the left of low-density pixel group D, low-density pixel group D's Right side is provided with the second high density pixel group G2.
The second pixel of every row 22 in second pixel 22 of multiple array arrangements, the first pixel 21 with multiple array arrangements In the first pixel of a line 21 go together setting.
It is to be understood that being provided with multiple array rows in the first high density pixel group G1 and the second high density pixel group G2 First pixel 21 of cloth, the first pixel 21 of multiple array arrangements are distributed with the first pixel of multirow 21, highly dense with first in Figure 18 a For degree pixel group G1 and the second high density pixel group G2 includes three the first pixels of row 21.
It is provided with the second pixel 22 of multiple array arrangements in each low-density pixel group D, the second of multiple array arrangements Pixel 22 is distributed at least the second pixel of a line 22, with each low-density pixel group D includes that two the second pixels of row 22 are in Figure 18 a Example.
Every row in two the second pixels of row 22 and a line in three the first pixels of row 21 in the first high density pixel group G1 are same Row setting, and go together setting with a line in three the first pixels of row 21 in the second high density pixel group G2.
That is, as the first row pixel illustrated in Figure 18 a 1. with the third line pixel 3., one-row pixels are highly dense by first Spend the first pixel of a line 21, a line the second pixel 22 in low-density pixel group D, the second high density pixel group in pixel group G1 The first pixel of a line 21 in G2 forms.
Alternatively, the second row pixel illustrated in such as Figure 18 a is 2., one-row pixels are by a line in the first high density pixel group G1 The first pixel of a line 21 in first pixel 21, the second high density pixel group G2 forms.Under this configuration, the first high density picture Second is separated between the first pixel of a line 21 in a line the first pixel 21 and the second high density pixel group G2 in element group G1 Viewing area A2.
Every the first pixel of a line 21 includes the first sub-pix 211 of multiple array arrangements；Every the second pixel of a line 22 includes Second sub-pix 221 of multiple array arrangements.
It with each first pixel 21 include four the first sub-pixes 211 in Figure 18 a, every the first pixel of row 21 includes two rows the Illustrated for one sub-pix 211.It include four the second sub-pixes 221, every the second pixel of row 22 with each second pixel 22 Including being illustrated for two the second sub-pixes of row 221.
That is, 1. the first row pixel illustrated in Figure 18 a includes two row sub-pixes, every row sub-pix includes first Sub-pix 211, and including the second sub-pix 221.
In every the first pixel of row 21, the first signal wire 2142 for being electrically connected positioned at first sub-pix 211 of same a line with it is every In the second pixel of row 22, the second signal line 2242 being electrically connected positioned at second sub-pix 221 of same a line is shared.
It is exemplary, the first row pixel illustrated in Figure 18 a 1. in, the second pixel of a line 22 and the first pixel of a line 21 are gone together Setting.Under this configuration, the first sub-pix of the first row 211 in the first high density pixel group G1 in first pixel of row 21, In the first row the second sub-pix 221, the second high density pixel group G2 in second pixel of row 22 in first pixel of row 21 The first sub-pix of the first row 211 shares same second signal line 2242, and the first signal wire 2142 is no longer separately provided.
Similarly, second the first sub-pix of row 211 in the first high density pixel group G1 in first pixel of row 21, the row The second row in second row the second sub-pix 221, the second high density pixel group G2 in two pixels 22 in first pixel of row 21 First sub-pix 211 shares same second signal line 2242, and the first signal wire 2142 is no longer separately provided.
The the second row pixel illustrated in Figure 18 a 2. in, which is not provided with the second pixel 22, only include the first pixel of a line 21.Under this configuration, the first sub-pix of the first row 211 in the first high density pixel group G1 in first pixel of row 21 shares Same first signal wire 2142, the first sub-pix of the first row 211 in the second high density pixel group G2 in first pixel of row 21 Share same first signal wire 2142.But the first row first in first pixel of row 21 in two high density pixel group G is sub- Pixel 211 does not share same first signal wire 2142.
That is, the second row pixel 2. in, the first sub-pix of the first row 211 in the first high density pixel group G1 connects One the first signal wire 2142, the first sub-pix of the first row 211 in the second high density pixel group G2 connect first signal Line 2142, two the first signal wires 2142 are disconnected at the second viewing area A2, are not connected with each other.
Similarly, second the first sub-pix of row 211 in the first high density pixel group G1 connects first signal wire 2142, Second the first sub-pix of row 211 in second high density pixel group G2 connects first signal wire 2142, two the first signals Line 2142 disconnects at the second viewing area A2, is not connected with each other.
The third line pixel illustrated in Figure 18 a 3. in, with the first row pixel 1. in structure it is identical.
That is, as shown in figure 18 a, if a certain in the first high density pixel group G1 and the second high density pixel group G2 The first sub-pix of row 211 is gone together with the second sub-pix of a line 221 in low-density pixel group D, then first sub-pix of row shares Same second signal line 2242.If the sub- picture of certain a line first in the first high density pixel group G1 and the second high density pixel group G2 Element 211 is not gone together with the second sub-pix of a line 221 in low-density pixel group D, and the first high density pixel group G1 and second is high It is separated with the second viewing area A2 between first sub-pix of row 211 in density pixel group G2, then the first high density pixel group G1 First signal wire 2142 is independently connected with first sub-pix of row 211 in the second high density pixel group G2.
So, conventional arrangement shown in comparison diagram 18b, that is, the first high density pixel group G1 and second is highly dense The first sub-pix 211 being located in degree pixel group G2 with a line shares same first signal wire 2142, and the first signal wire 2142 Across the second viewing area A2.Position in the structure illustrated in Figure 18 a, the first high density pixel group G1 and the second high density pixel group G2 Same first signal wire 2142 is not shared in first sub-pix 211 of same a line, is not provided with second in the second viewing area A2 Do not have to the first signal wire 2142 of setting at the position of pixel 22, environment light can be blocked to avoid the first signal wire 2142, into One step improves the transmitance of the second viewing area A2.
Further, since signal wire is fewer in the second viewing area A2, caused by diffraction phenomena it is weaker.Therefore, by second It is not provided in the A2 of viewing area at the position of the second pixel 22 and does not have to the first signal wire 2142 of setting, the second viewing area can be reduced The quantity of signal wire in A2, to reduce diffraction interference.
It is understood that display screen 20 is during display, the first high density pixel array G1 as shown in Figure 18 c In with the first sub-pix 211 coupling the first signal wire 2142 and the second high density pixel array G2 in the first sub-pix 211 First signal wire 2142 of coupling individually connects a gate driving circuit 40, and independent to drive, display screen 20 is double at this time Side drives display screen.
For the second signal line 2242 in display screen 20, a gate driving electricity can be individually connected as shown in Figure 18 c Road 40.
Wherein, gate driving circuit 40 can be array substrate row driving (gate driver on array, GOA) electricity Road is also possible to grid-driving integrated circuit (integrated circuit, IC).
Example 11
By adjusting the arrangement mode of the second data line 2241 in second signal line group 224, the second data line 2241 is reduced Influence to the second viewing area A2 transmitance.
Display screen 20 further includes as shown in figure 19a the first signal for transmitting driving signal to the first driving electricity 212 Line group 214 and for the second driving circuit 222 transmission driving signal second signal line group 224.
First signal line group 214 includes the first data line 2141；First data line 2141 is used for transmission data voltage.
Second signal line group 224 includes the second data line 2241；Second data line 2241 is used for transmission data voltage.
Along the direction of routing of the first data line 2141, display screen 20 includes two and is located at the two sides low-density pixel group D, And the high density pixel group G being arranged side by side with low-density pixel group D.
That is, being provided with third high density pixel group G3 and the 4th high density pixel group on the upside of low-density pixel group D G4。
The second pixel of each column in second pixel of multiple array arrangements, with one in the first pixel of multiple array arrangements The setting of column the first pixel same column.
It is to be understood that being provided with multiple array rows in third high density pixel group G3 and the 4th high density pixel group G4 First pixel 21 of cloth, the first pixel 21 of multiple array arrangements are distributed with the first pixel of multiple row 21, highly dense with third in Figure 19 a For degree pixel group G3 and the 4th high density pixel group G4 includes five the first pixels of column 21.
It is provided with the second pixel 22 of multiple array arrangements in each low-density pixel group D, the second of multiple array arrangements Pixel 22 is distributed at least second pixel of column 22, with each low-density pixel group D includes that three the second pixels of column 22 are in Figure 19 a Example.
A column in each column and third high density pixel group G3 in three the second pixels of column 22 in five the first pixels of column 21 are same Column setting, and go together setting with the column in five the first pixels of column 21 in the 4th high density pixel group G4.
That is, such as the first row pixel illustrated in Figure 19 a (1), third column pixel (3), the 5th column pixel (5), a column picture Element is by first pixel of column 21 in third high density pixel group G3, second pixel of column the 22, the 4th in low-density pixel group D First pixel of column 21 composition in high density pixel group G4.
Alternatively, such as the secondary series pixel illustrated in Figure 19 a (2), the 4th column pixel (4), a column pixel is by third high density picture Column first pixel 21 in element group G3, first pixel of column 21 composition in the 4th high density pixel group G4.In this structure Under, first pixel of column 21 in column first pixel 21 and the 4th high density pixel group G4 in third high density pixel group G3 Between between be separated with the second viewing area A2.
Each the first pixel of column 21 includes the first sub-pix 221 of multiple array arrangements；Each the second pixel of column 22 includes Second sub-pix 221 of multiple array arrangements.
It with each first pixel 21 include four the first sub-pixes 211 in Figure 19 a, the first pixel of each column 21 includes two arranging the Illustrated for one sub-pix 211.It include four the second sub-pixes 221, the second pixel of each column 22 with each second pixel 22 Including being illustrated for two the second sub-pixes of column 221.
That is, (1) the first row pixel illustrated in Figure 19 a includes two column sub-pixes, each column sub-pix includes first Sub-pix 211, and including the second sub-pix 221.
In the first pixel of each column 21, the first data line 2141 being electrically connected positioned at the first sub-pix 211 of same row is and every In the second pixel of column 22, the second data line 2241 being electrically connected positioned at the second sub-pix 221 of same row is shared.
In two high density pixel group G, positioned at two the first data lines of the first sub-pix 21 electrical connection of same row 2141, it is coupled by connecting line 2143, connecting line 2143 gets around the second viewing area A2.
It is exemplary, the first row pixel illustrated in Figure 19 a (1), third column pixel (3), the 5th column pixel (5) in, a column second Pixel 22 and the setting of first pixel of column, 21 same column.Under this configuration, first pixel of column in third high density pixel group G3 The first sub-pix of first row 211 in 21, first row the second sub-pix 221 in second pixel of column 22, the 4th high density picture The first sub-pix of first row 211 in element group G4 in first pixel of column 21, shares same second data line 2241, no longer individually First data line 2141 is set.
Similarly, the first sub-pix of secondary series 211 in third high density pixel group G3 in first pixel of column 21, this arrange Secondary series in secondary series the second sub-pix 221, the 4th high density pixel group G4 in two pixels 22 in first pixel of column 21 First sub-pix 211 shares same second data line 2241, and the first data line 2141 is no longer separately provided.
The secondary series pixel illustrated in Figure 19 a (2), the 4th column pixel (4) in, which is not provided with the second pixel 22, only wraps Include first pixel of column 21.Under this configuration, the first row in third high density pixel group G3 in first pixel of column 21 One sub-pix 211 shares same first data line 2141, in the 4th high density pixel group G4 in first pixel of column 21 first The first sub-pix of column 211 shares same first data line 2141.In first pixel of column 21 in two high density pixel group G Two the first data lines 2141 that the first sub-pix of first row 211 is separately connected are coupled by connecting line 2143.
Wherein, connecting line 2143 is bypassed from the periphery of the second viewing area A2, that is, connecting line 2143 is located at the first viewing area A1 does not enter the second viewing area A2.
That is, secondary series pixel (2), the 4th column pixel (4) in, the first row first in third high density pixel group G3 Sub-pix 211 connects first data line 2141, and the first sub-pix of first row 211 in the 4th high density pixel group G4 connects One the first data line 2141, two the first data lines 2141 are coupled by connecting line 2143.
Similarly, the first sub-pix of secondary series 211 in third high density pixel group G3 connects first data line 2141, The first sub-pix of secondary series 211 in 4th high density pixel group G4 connects one article of first data line 2141, two the first data Line 2141 is coupled by connecting line 2143.
That is, as shown in figure 19a, if a certain in third high density pixel group G3 and the 4th high density pixel group G4 Second sub-pix of column, 221 same column in the first sub-pix of column 211 and low-density pixel group D, then first sub-pix of column 211 is total With same second data line 2241.
If the first sub-pix of a certain column 211 in third high density pixel group G3 and the 4th high density pixel group G4 not with Second sub-pix of column, 221 same column in low-density pixel group D, third high density pixel group G3 and the 4th high density pixel group G4 In first sub-pix of column 211 between be separated with the second viewing area A2, then third high density pixel group G3 and the 4th high density First sub-pix of column 211 in pixel group G4 independently connects first data line 2141, and two the first data lines 2141 are coupled by connecting line 2143.
So, conventional arrangement shown in comparison diagram 19b, that is, third high density pixel group G3 and the 4th is highly dense The first sub-pix 211 for being located at same row in degree pixel group G4 shares same first data line 2141, and the first data line 2141 Across the second viewing area A2.The structure illustrated in Figure 19 a, that is, third high density pixel group G3 and the 4th high density pixel group G4 In be located at the first data line 2141 for being separately connected of the first sub-pix 211 of same row and coupled by connecting line 2143, connecting line 2143 are not passed through the second viewing area A2, and are to bypass the second viewing area A2.The second pixel is not provided in the second viewing area A2 Do not have to the first data line 2141 of setting at 22 position, environment light can be blocked to avoid the first data line 2141, further Improve the transmitance of the second viewing area A2.
Further, since signal wire is fewer in the second viewing area A2, caused by diffraction phenomena it is weaker.Therefore, by making to be located at Two the first data lines 2141 of same row are coupled by connecting line 2143, and connecting line 2143 is not passed through the second viewing area A2, and it is to bypass the second viewing area A2, the quantity of signal wire in the second viewing area A2 can be reduced, to reduce diffraction interference.
Example 12
Black matrix layer is set in display screen 20, avoid environment light emission to the first driving circuit 212, the first signal line group 214, Second driving circuit 222, second signal line group 224, reduce environment light the first driving circuit 212, the first signal line group 214, Reflection at second driving circuit 222, second signal line group 224 improves the display effect of display screen 20.
As illustrated in fig. 20, display screen 20 further includes that setting is separate in the first driving circuit 212 and the second driving circuit 222 The black matrix layer 50 of 23 side of substrate.
For example, black matrix layer 50, can be set and shine in the first driving circuit 212 and the second driving circuit 222 and first Between device 213 and the second luminescent device 223, also it can be set separate in the first luminescent device 213 and the second luminescent device 223 23 side of substrate.
First driving circuit 212 orthographic projection of the orthographic projection, the first signal line group 214 on substrate 23 on substrate 23, Second driving circuit 222 is respectively positioned in the orthographic projection of orthographic projection and second signal line group 224 on substrate 23 on substrate 24 Black matrix layer 50 is in the orthographic projection on substrate 23.
First signal line group 214 may include at least one of the first data line 2141 and the first signal wire 2142, and Binary signal line group 224 may include at least one of the second data line 224 and second signal line 2242.
Black matrix layer 50 may include multiple black matrix items, the specific shape of black matrix layer 50, with the first signal line group 214 It is related with the set-up mode of signal wire in second signal line group 224.
As illustrated in fig. 20, if being provided with connecting line 2143 shown in example 11, black matrix layer 50 in display screen 20 Connecting line 2143 can also be covered.
As shown in fig. 20b, if being not provided with connecting line 2143 in display screen 20, the first data line 2241 is aobvious directly through second Show area A2, then the covering of black matrix layer 50 is located at the first data line 2241 in the second viewing area A2.
The pattern of black matrix layer 50 shown in Figure 20 b is different from the pattern of black matrix layer 50 as illustrated in fig. 20.
After being mapped in display screen 20 due to ambient lighting, the first driving circuit 212 in display screen 20, the first signal line group 214, the second driving circuit 222, second signal line group 224 can reflect environment light, this part reflected light can use display Light is interfered.
In this example, by the way that black matrix layer 50 is arranged, and black matrix layer 50 is made to cover the first driving circuit 212, first letter Number line group 214, the second driving circuit 222, second signal line group 224.So, it on the one hand can be mapped to avoid ambient lighting First driving circuit 212, the first signal line group 214, the second driving circuit 222, in second signal line group 224.On the other hand, i.e., Component environment light is set to be mapped to the first driving circuit 212, first letter from the first luminescent device 213 and the second luminescent device 223 Number line group 214, the second driving circuit 222, in second signal line group 224, black matrix layer 50 can also be to the first driving circuit 212, the environment light that the first signal line group 214, the second driving circuit 222, second signal line group 224 reflect is blocked, and can be dropped The interference that low light reflectivity uses up display.
Example 13
It is thin by doing the second cathode in the second luminescent device of cathode 223, the filter action of the second cathode is reduced, is improved The transmitance of second viewing area A2.
As shown in figure 21, the first luminescent device 213 includes the first cathode c1, and the second luminescent device 223 includes the second cathode c2.The thickness h 5 of first cathode c1 is greater than the thickness h 6 of the second cathode c2.
Hereinafter, the preparation method of the first cathode c1 and the second cathode c2 are illustrated.
Such as the first cathode c1 and the second cathode c2 can be formed using evaporation process.
Signal, firstly, using the first mask plate 60 as shown in Figure 22 a to the substrate for being formed with electron injecting layer EIL 23 are blocked, and the time of A*x% is deposited.
As shown in Figure 22 a, the first mask plate 60 includes open area 61 and occlusion area 62, open area 61 corresponding first Viewing area A1 and the second viewing area A2.
Wherein, A is the time needed for forming the first cathode c1.X is setting value, the thickness of the value of x and second and c2 It is related, 0 < x < 1.
After the completion of being deposited for the first time, cathode thin film c3 is formed, cathode thin film c3 covers the display of the first viewing area A1 and second Area A2.At this point, as shown in figure 22b, the thickness h 6 of cathode thin film c3 is equal with the thickness h 6 of the second cathode c1.
Secondly, the substrate 23 for being formed with cathode thin film c3 is blocked using the second mask plate 70 as shown in Figure 22 c, The time of A* (1-x%) is deposited.
As shown in Figure 22 c, the second mask plate 70 includes opening portion 71 and occlusion part 72, and opening portion 71 only corresponds to the first display Area A1, occlusion part 72 block the second viewing area A2.
It is equivalent to, second of vapor deposition is only deposited the first viewing area A1, the second viewing area A2 is not deposited, to increase The thickness of cathode thin film c3 in first viewing area A1 forms the first cathode c1 as shown in figure 21.It is located at the in cathode thin film c3 The part of two viewing area A2 is as the second cathode c2 shown in Figure 21.
It is understood that the thickness of the second cathode c2 is related with the length of evaporation time, and the second cathode c2 is thinner, thoroughly It is higher to cross rate.Therefore from the perspective of promoting the second viewing area A2 transmitance, first time, the shorter evaporation time x the better.But It is on the other hand, the electric properties such as resistivity of the second cathode c2 are also related with the thickness of the second cathode c2, the second cathode c2's Thickness is thinner, and electric property is poorer, will affect its normal function, therefore first time evaporation time can not be too short, needs same When take into account the demand of transmitance and electric property.
In this example, by the way that the thickness of the second cathode c2 in the second luminescent device 223 in the second viewing area A2 is subtracted It is thin, the transmitance of the second cathode c2 can be improved, so as to promote the transmitance of the second viewing area A2.
Example 14
By the second cathode c2 patterned process in the second viewing area A2, for being not provided with the area of the second sub-pix 221 Domain does not form the second cathode c2.
Every one second luminescent device 223 in display screen 20 includes the second cathode c2, as shown in fig. 23 a, adjacent second yin Setting is spaced between the c2 of pole.
That is, as shown in fig. 23b, the region for being not provided with the second sub-pix 221 does not form the second cathode c2.
Wherein, multiple second cathode c2 can be electrically connected, and can not also be electrically connected.
Herein, as shown in fig. 23 a, the first cathode c1 that multiple first luminescent devices 211 in the first viewing area A1 include It can be structure as a whole.
First cathode c1 and the second cathode c2 can be for example prepared by patterning processes.
First cathode c1 and the second cathode c2 can also be prepared by evaporation process, need to be deposited the first cathode c1 and The region of second cathode c2 corresponds to the open area of mask plate, does not need the region pair of vapor deposition the first cathode c1 and the second cathode c2 Answer the occlusion area of mask plate.
First cathode c1 and the second cathode c2 can also be cut by laser technique and be prepared, and laser cutting removal is extra The cathode material in region.
First cathode c1 and the second cathode c2 can also be prepared by wet-etching technology, etch away extraneous region Cathode material.
In this example, the second cathode c2 is not provided with by the white space between adjacent second pixel 22, can be eliminated Filtration of the two cathode c2 to environment light, further increases the transmitance of the second viewing area A2.
Example 15
Polarization layer is provided in display screen 20, but polarization layer has third opening at the position of corresponding second viewing area A2, Polarization layer is only located at the first viewing area A1.
As shown in fig. 24 a, display screen 20 further includes polarization layer 80；Third opening, third opening are provided on polarization layer 80 Positioned at the second viewing area A2.
As shown in Figure 24 b, polarization layer 80 is arranged in the first driving circuit 212 far from 23 side of substrate.
Wherein, polarization layer 80 can be the polarizing film (polarizer) made.In this case, it is possible to by polarizing film It is attached on the surface of the light emission side of display screen 20.
Polarizing film specifically includes that heterotype film layer, the pressure sensitive adhesive being cascading along the direction far from substrate 23 (pressure sensitive adhesive, PSA) layer, polyvinyl alcohol (polyvinyl alcohol, PVA) layer, three acetic acid Cellulose (tri-acetate cellulose, TAC) layer, poly terephthalic acid class plastics (polyethylene Terephthalate, PET) protective layer.
Wherein, play the role of polarisation is PVA layers, TAC layer be used to completely cut off water and air, protect PVA layers not by water and sky Gas contact, psa layer is for by polarizing plate sticking, on the surface of the light emission side of display screen 20, heterotype film layer plays protection The effect of psa layer, protective layer play the role of protecting TAC.
Alternatively, polarization layer 80 can be wire grid polarization layer (grid polarizer, GP).It is exemplary, in display screen 20 In preparation process, wire grid polarization layer can be integrated in display screen 20 using modes such as sputtering, nano impression, photoetching.
The material for constituting wire grid polarization layer can be metal.Exemplary, the material for constituting wire grid polarization layer includes but unlimited In aluminium (Al), copper (Cu), silver (Ag), gold (Au) and chromium (Cr) etc..
About the preparation method of polarization layer 80, such as it can be the polarizing film for first preparing one layer of entire viewing area A of covering, Then the mode being cut by laser removes the polarizing film positioned at the second viewing area A2, is only located at the first display to be prepared The polarization layer 80 of area A1.Wherein, the pattern that part is removed in polarizing film is identical as the pattern of the second viewing area A2, remains Pattern cover the first viewing area A1.
The preparation method of polarization layer 80 is also possible to during the preparation process, only prepares at the first viewing area A1, not the It is prepared at two viewing area A2, to save cutting technique.
When environment light passes through the optical device 30 at 80 directive display screen of polarization layer, 20 back side, no matter polarization layer 80 is polarization Piece or wire grid polarization layer, the transmitance of polarization layer 80 will greatly affect the transmission of the second viewing area A2 less than 50% Rate.Based on this, in order to promote the transmitance of the second viewing area A2, polarization layer 80 is provided only on the first viewing area A1, second is aobvious Show and is not provided with polarization layer 80 in area A2.So, polarization layer 80 will not filter out the environment light across the second viewing area A2 Effect, can promote the transmitance of the second viewing area A2.
Example 16
Display screen 20 is additionally provided with chromatic filter layer, is filtered to the reflected light in display screen 20, reduces reflected light pair Show the interference used up.
As shown in figure 25, display screen 20 further includes setting in the first luminescent device 213 and the separate lining of the second luminescent device 223 The chromatic filter layer 90 of 23 side of bottom.
Chromatic filter layer 90 includes at least and respectively corresponds trichromatic three kinds of color filter patterns 91.
For example, chromatic filter layer 90 includes red color filter pattern, green color filter patterns and the colored filter of blue Light pattern.
Wherein, the colored filter identical with 213 luminescent color of the first luminescent device of every one first luminescent device 213 corresponding one Light pattern 91, the corresponding colorized optical filtering figure identical with 223 luminescent color of the second luminescent device of every one second luminescent device 223 Case 91.
That is, the corresponding color filter patterns of first luminescent device 213, second luminescent device 223 A corresponding color filter patterns.
For example, the corresponding red color filter pattern of the first luminescent device 213 to glow, the first luminescent device of green light 213 corresponding green color filter patterns, the corresponding blue color filter pattern of the first luminescent device 213 of blue light-emitting.
The corresponding red color filter pattern of the second luminescent device 223 to glow, the second luminescent device 223 of green light are right Answer green color filter patterns, the corresponding blue color filter pattern of the second luminescent device 223 of blue light-emitting.
It is understood that after external environmental light injects display screen 20, the first driving circuit 212 in display screen 20, the The reflective structures such as one signal line group 214, the second driving circuit 222, second signal line group 224, can reflect environment light, lead It causes reflected light to use up display to interfere, influences display effect.In this example, by the first luminescent device 213 and second Chromatic filter layer 90 of the luminescent device 223 far from 23 side of substrate could project so that reflected light is after 90s by chromatic filter layer Display screen 20.By taking the red color filter pattern 91 in chromatic filter layer 90 as an example, reflected light directive red color filter pattern Only have feux rouges that can pass through red color filter pattern 91 when 91, in reflected light, the green light and blue light in reflected light can not pass through Red color filter pattern 91.It means that red color filter pattern 91 has filtered out at least 2/3rds in reflected light Light.Similarly, only have green light that can pass through green color filter patterns 91 in reflected light, only blue light can be worn in reflected light Cross blue color filter pattern 91.Therefore, the chromatic filter layer 90 in this example can play preferable filtration to reflected light, So that display screen 20 can also have preferable display effect when being not provided with polarizing film.
Further, since the corresponding coloured silk identical with 213 luminescent color of the first luminescent device of every one first luminescent device 213 Color filter pattern 91, the colored filter identical with 223 luminescent color of the second luminescent device of every one second luminescent device 223 corresponding one Light pattern 91.Therefore, the feux rouges that the first luminescent device 213 to glow and the second luminescent device 223 to glow issue will not It is blocked by red color filter pattern 91, the first luminescent device 213 of green light and the second luminescent device 223 of green light issue Green light will not be blocked by green color filter patterns 91, the second of the first luminescent device 213 of blue light-emitting and blue light-emitting shines The blue light that device 223 issues will not be blocked by blue color filter pattern 91.Based on this, chromatic filter layer 90 is arranged will not be right Display is used up generation and is filtered out, and compared to setting polarization layer (can filter out 50% display use up), display brightness can be improved.
Example 17
Optical device 30 includes camera, is improved by the structure to camera, to improve the shooting effect of camera Fruit.
Terminal 01, including any of the above-described kind of display screen 20.
On this basis, orthographic projection of the optical device 30 on display screen 20 is located at the second viewing area A2 of display screen 20, And the light-receiving surface of optical device 30 is towards the back side of display screen 20.
Optical device 30, as shown in figure 26, including the first camera 31.
It is understood that the light-receiving surface of the first camera 31 refers to towards the back side of display screen 20, the first camera 31 Lens group towards the back side of display screen 20.
On this basis, the focal length of the first camera 31 is less than 4mm.For example, 3.8mm, 3.5mm, 3.3mm, 3.0mm, 2.5mm。
As shown in figure 27, the first camera 31 mainly includes plugboard 311, image sensor 312, infrared fileter 313, focusing motor 314, lens group 315.
Environment light passes through lens group 315 and is irradiated to infrared fileter 313, filters out to infrared light.Image sensor 312 Electric current is converted by the light intensity received, is transmitted to plugboard 311, plugboard 311 completes image procossing.
The distance of lens group 315 to image sensor 312 is known as focal length f.
Based on the structure of the terminal 01 in this example, due to the first driving circuit 212, the first signal wire in display screen 20 The components such as the 214, second driving circuit 222 of group, second signal line group 224, inevitably will form some equivalent gratings, environment Light by the first driving circuit 212, the first signal line group 214, the second driving circuit 222, second signal line group 224 constitute etc. After imitating grating, it is imaged on the first camera 31, the structure of entire imaging system, as shown in figure 28.
As shown in figure 28, due to constituting equivalent grating in display screen 20, when the optical device being placed below display screen 30 be for including lens in imaging and imaging system, such as optical device 30 is the first camera 31, is wrapped in lens group 315 Include lens.Then environment light is imaged in optical device after the second viewing area A2, and whole process just constitutes shown in Figure 28 Optical grating diffraction system.
Wherein, the first driving circuit 212, the first signal line group 214, the second driving circuit 222, second signal line group 224 Equal components constitute equivalent grating, and the transmission region length of equivalent grating is m, light tight region length is n, then screen periods d =m+n.
The distance between j grades of primary maximum positions and center y=j*f* λ/d in optical grating diffraction.Wherein j is main pole Big series, f are the focal length of optical device, λ is the wavelength of incident light, the period that d is grating.Due to the positional distance of primary maximum The distance y of center is bigger, and diffraction phenomena is more obvious.Therefore, influence of the diffraction to the first camera 31 is reduced it is necessary to subtract The distance y of small primary maximum distance center at different levels position.When lambda1-wavelength λ is identical with screen periods d, primary maximums at different levels are away from The distance y of the heart is directly proportional to the focal length f of the first camera 31.Therefore, the first selection focal length f small camera 31 can reduce light The influence that the first camera 31 is imaged in grid diffraction.
Therefore, in this example, the focal length by setting the first camera 31 is less than 4mm, can reduce optical grating diffraction to first The influence that camera 31 is imaged.
On this basis, the Pixel Dimensions of image sensor 312 are greater than 0.8um.For example, for 1.0um, 1.2um, 1.4um, 1.5um、1.8um、2.0um。
As shown in figure 29, image sensor 312 includes multiple for photosensitive block of pixels 3121, and each block of pixels 3121 is The minimum resolution that image sensor 312 is imaged.
The Pixel Dimensions of image sensor 312 refer to the size of block of pixels 3121, that is, block of pixels 3121 is along its arragement direction On width.
Each block of pixels 3121 mainly includes light sensitive diode (photodiode), and light sensitive diode is receiving light irradiation Output electric current can be generated later, and the intensity of electric current is then corresponding with the intensity of illumination, to realize Image Acquisition.
It is understood that when the distance between j grades of primary maximum positions and center y=jf λ/d phase in optical grating diffraction Meanwhile that is, on the image sensor 312 of the first camera 31, the offset distance for the j grade primary maximum that diffraction generates is identical.
If the size of block of pixels 3121 be s, the distance between j grades of primary maximum positions and center y=jf λ/d, then j grades The number N=y/s of primary maximum offset pixels block 3121.Since the number of j grades of primary maximum offset pixels blocks 3121 is fewer, to imaging Influential effect is weaker.Therefore, when off-centered mono- timing of distance y of j grades of primary maximums, the size s of block of pixels 3121 is bigger, and j grades The number of primary maximum offset pixels block 3121 is fewer, influences on imaging effect weaker.Therefore, select Pixel Dimensions big in this example The first camera 31 can reduce the influence that the first camera 31 is imaged in optical grating diffraction.
In addition, the size s of block of pixels 3121 is bigger, the light intensity that block of pixels 3121 can receive is stronger, therefore, uses big picture First camera 31 of plain size can make up influence of 20 transmitance of display screen to light-inletting quantity to a certain extent, promote first The effect of taking pictures of camera 31.
On this basis, in some embodiments, the aperture of the first camera 31 is greater than f/2.2.
It is not only related with light intensity due to the shooting effect of the first camera 31, it is also big with the aperture of the first camera 31 Small related, the light-inletting quantity of bigger first camera 31 of aperture is bigger, and shooting effect is better.Therefore, by increasing the first camera 31 aperture can increase the light-inletting quantity of the first camera 31 to a certain extent.It can be using the first camera 31 of large aperture Influence of 20 transmitance of display screen to light-inletting quantity is made up to a certain extent, promotes the effect of taking pictures of the first camera 31.
Example 18
By the way that two cameras, Lai Tisheng shooting effect is arranged.
As shown in figure 30, terminal 01 further includes processing unit 100；Optical device 30 further includes second camera 32；Second The resolution ratio of camera 32 is greater than 8M.
The resolution ratio of second camera 32 is, for example, 16M.
That is, the projection of the first camera 31 and second camera 32 on display screen 20 is respectively positioned on display screen 20 Second viewing area A2.
First camera 31 and second camera 32 are electrically connected with processing unit 100.
It should be noted that by example 17 it is found that the first camera 31 includes plugboard 311, second camera 32 can share same plugboard 311 with the first camera 31.
First camera 31 be used for processing unit 100 transmit picture contrast-data, second camera 32 be used for The resolution data of the transmission picture of processing unit 100.
That is, the first camera 31 acquires a width picture in synchronization, second camera 32 also acquires a width figure Piece.Since the Pixel Dimensions of the first camera 31 are big, brightness height of taking pictures, the contrast height of the picture of acquisition.Therefore, the first camera shooting First 31 transmit the contrast-data of picture to processing unit 100.Since the resolution ratio of second camera 32 is big, the exquisiteness taken pictures It is good, the high resolution of the picture of acquisition.Therefore, second camera 32 transmits the resolution data of picture to processing unit 100.
Processing unit 100 generates target image for handling contrast-data and resolution data.
Processing unit 100 blends the picture that the picture that the first camera 31 acquires and second camera 32 acquire, raw In contrast with spend high, the picture of high resolution generates clear and fine and smooth high quality picture.So as to make up single camera It takes pictures low-quality defect.
More than, the only specific embodiment of the application, but the protection scope applied is not limited thereto, and it is any to be familiar with sheet Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover at this Within the protection scope of application.Therefore, the protection scope of the application should be subject to the protection scope in claims.

Claims (22)

1. a kind of display screen, which is characterized in that the display screen includes that at least one of substrate and setting over the substrate is high Density pixel group and at least one low-density pixel group；The high density pixel group includes the first pixel of multiple array arrangements, The low-density pixel group includes the second pixel of multiple array arrangements；
First pixel includes at least three for showing that trichromatic first sub-pix, first sub-pix include at least respectively First driving circuit and the first luminescent device being electrically connected with first driving circuit, first driving circuit is for driving First luminescent device shines；
Second pixel includes at least three for showing that trichromatic second sub-pix, second sub-pix include at least respectively Second driving circuit and the second luminescent device being electrically connected with second driving circuit, second driving circuit is for driving Second luminescent device shines；
The pixel density of the first viewing area where first pixel of the multiple array arrangement is greater than the multiple array arrangement The second pixel where the second viewing area pixel density.
2. display screen according to claim 1, which is characterized in that the display screen further includes setting in first driving Circuit and the pixel defining layer of second driving circuit far from the one side of substrate；
The pixel defining layer includes that multiple barricades arranged in a crossed manner and being enclosed by the multiple barricade arranged in a crossed manner are set as Multiple the first openings positioned at first sub-pix and second sub-pix；
Second luminescent device includes the hole injection layer being cascading along the direction far from the substrate, hole transport Layer, electron transfer layer and electron injecting layer, the hole injection layer, the hole transmission layer, the electron transfer layer and At least one of described electron injecting layer is located in first opening.
3. display screen according to claim 2, which is characterized in that the pixel defining layer further includes by the multiple intersection The barricade of setting encloses at least one second opening being set as；
Second opening is between adjacent second pixel, for being spaced adjacent second pixel.
4. display screen according to claim 3, which is characterized in that adjacent second opening in communication.
5. display screen according to claim 1, which is characterized in that second driving circuit includes multiple transistors；
The transistor includes conductive layer and the first insulating layer being stacked with the conductive layer, the same second driving electricity Multiple transistors share same first insulating layer in road；First insulation in adjacent second driving circuit Setting is spaced between layer；
First insulating layer is gate insulation layer or passivation layer.
6. display screen according to claim 1, which is characterized in that the display screen further includes the first light shield layer, and described One light shield layer includes multiple light shielding blocks being independently arranged, each corresponding light shielding block of second driving circuit；
The orthographic projection of second driving circuit over the substrate is located at the light shielding block corresponding with second driving circuit In orthographic projection over the substrate.
7. display screen according to claim 1, which is characterized in that the display screen further includes filling up layer, described to fill up layer Including it is multiple be independently arranged fill up block；
At least part of the profile of the orthographic projection of second driving circuit over the substrate is broken line, and the block of filling up exists Orthographic projection on the substrate, where the recessed position for the broken line for filling up corresponding second driving circuit of block with this Area coincidence；
The layer of filling up is arranged in second driving circuit close to the one side of substrate；
Alternatively, the layer of filling up is arranged in second driving circuit far from the one side of substrate；
Alternatively, at least one layer of same material of conductive layer same layer filled up in layer and second driving circuit.
8. display screen according to claim 1, which is characterized in that the display screen further includes for driving to described second The second signal line group of circuit transmission driving signal, the second signal line group include the second data line arranged in a crossed manner and a plurality of Second signal line；Second data line is used for transmission data voltage；The second signal line is used for transmission operating voltage, or The grid of a transistor into second driving circuit provides gating signal；
The display screen further includes the second light shield layer, and second light shield layer includes multiple shading strips being independently arranged, Mei Yisuo State the corresponding shading strip of second signal line group；
The shading strip is at least partially disposed in the substrate in the orthographic projection of the second signal line group over the substrate On orthographic projection in.
9. display screen according to claim 1, which is characterized in that the display screen further includes for driving to described second The second signal line group of circuit transmission driving signal, the second signal line group include a plurality of second signal line；Second letter Number line is used for transmission operating voltage, or the grid of a transistor into second driving circuit provides gating signal；
In a plurality of second signal line, it is partially used as the first subsignal line, is partially used as the second subsignal line；
The display screen further includes the second insulating layer between the first subsignal line and the second subsignal line；
The first subsignal line and the second subsignal line are arranged alternately, and the first subsignal line is over the substrate Orthographic projection and the second subsignal line orthographic projection over the substrate for being located at the first subsignal line two sides it is overlapping.
10. display screen according to claim 1, which is characterized in that the display screen further includes for driving to described second The second signal line group of dynamic circuit transmission driving signal, the second signal line group include the second data line arranged in a crossed manner and more Bar second signal line；Second data line is used for transmission data voltage；The second signal line is used for transmission operating voltage, or The grid of a transistor of the person into second driving circuit provides gating signal；
The material for constituting second data line or the second signal line is transparent conductive material.
11. display screen according to claim 1, which is characterized in that the display screen further includes for driving to described first Move the first signal line group of circuit transmission driving signal and for the second letter to second driving circuit transmission driving signal Number line group；
First signal line group includes a plurality of first signal wire；First signal wire is used for transmission operating voltage, Huo Zhexiang The grid of a transistor in first driving circuit provides gating signal；
The second signal line group includes a plurality of second signal line；The second signal line is used for transmission operating voltage, Huo Zhexiang The grid of a transistor in second driving circuit provides gating signal；
Along the direction of routing of first signal wire, the display screen includes two and is located at the low-density pixel group two Side, and the high density pixel group being arranged side by side with the low-density pixel group；
The second pixel of every row in second pixel of the multiple array arrangement, in the first pixel of the multiple array arrangement The first pixel of a line go together setting；
Every the first pixel of a line includes first sub-pix of multiple array arrangements；Every the second pixel of a line includes multiple arrays Second sub-pix of arrangement；
First signal wire being electrically connected in every the first pixel of row positioned at first sub-pix of same a line and every the second pixel of row In, the second signal line being electrically connected positioned at second sub-pix of same a line shares.
12. display screen according to claim 1, which is characterized in that the display screen further includes for driving to described first Move the first signal line group of circuit transmission driving signal and for the second letter to second driving circuit transmission driving signal Number line group；
First signal line group includes the first data line；First data line is used for transmission data voltage；
The second signal line group includes the second data line；Second data line is used for transmission data voltage；
Along the direction of routing of first data line, the display screen includes two and is located at the low-density pixel group two Side, and the high density pixel group being arranged side by side with the low-density pixel group；
The second pixel of each column in second pixel of the multiple array arrangement, in the first pixel of the multiple array arrangement Column the first pixel same column setting；
Each the first pixel of column includes first sub-pix of multiple array arrangements；Each the second pixel of column includes multiple arrays Second sub-pix of arrangement；
In the first pixel of each column, first data line being electrically connected positioned at the first sub-pix of same row, with the second picture of each column In element, second data line being electrically connected positioned at the second sub-pix of same row is shared；
In two high density pixel groups, two first data lines being electrically connected positioned at the first sub-pix of same row, It is coupled by connecting line, the connecting line gets around second viewing area.
13. display screen according to claim 11 or 12, which is characterized in that the display screen further includes setting described the One drive circuit and the black matrix layer of second driving circuit far from the one side of substrate；
Orthographic projection, the positive throwing of first signal line group over the substrate of first driving circuit over the substrate The positive throwing of orthographic projection and the second signal line group over the substrate of shadow, second driving circuit over the substrate Shadow is respectively positioned in the orthographic projection of the black matrix layer over the substrate.
14. display screen according to claim 1, which is characterized in that first luminescent device includes the first cathode, described Second luminescent device includes the second cathode；
The thickness of first cathode is greater than the thickness of second cathode.
15. display screen according to claim 1, which is characterized in that each second luminescent device includes the second cathode； Setting is spaced between adjacent second cathode.
16. display screen according to claim 1, which is characterized in that the display screen further includes that setting is driven described first Dynamic polarization layer of the circuit far from the one side of substrate；
Third opening is provided on the polarization layer, the third opening is located at second viewing area.
17. display screen according to claim 1, which is characterized in that the display screen further includes being located at adjacent described second Multiple third luminescent devices between pixel；
Third luminescent device described in a line between adjacent rows in the second pixel of the multiple array arrangement, with institute State the colleague's setting of the first luminescent device described in a line in the first pixel of multiple array arrangements；
Alternatively,
The column third luminescent device between adjacent two column in the second pixel of the multiple array arrangement, with institute State a column the first luminescent device same column setting in the first pixel of multiple array arrangements.
18. display screen according to claim 1, which is characterized in that the display screen further includes setting in first hair Optical device and the chromatic filter layer of second luminescent device far from the one side of substrate；
The chromatic filter layer includes at least and respectively corresponds trichromatic three kinds of color filter patterns；
Wherein, the corresponding colorized optical filtering identical with the first luminescent device luminescent color of each first luminescent device Pattern, each corresponding colorized optical filtering figure identical with the second luminescent device luminescent color of second luminescent device Case.
19. a kind of terminal, which is characterized in that including the described in any item display screens of claim 1-18；
The terminal further includes the display screen back side being arranged in and optical device of the light-receiving surface towards the display screen, the light It learns the orthographic projection of device on the display screen and is located at the second viewing area.
20. terminal according to claim 19, which is characterized in that the optical device includes the first camera；
The focal length of first camera is less than 4mm；
Alternatively,
The aperture of first camera is greater than f/2.2, wherein f is the focal length of first camera.
21. terminal according to claim 19, which is characterized in that the optical device includes the first camera；Described One camera includes image sensor, and the Pixel Dimensions of the image sensor are greater than 0.8um.
22. terminal according to claim 21, which is characterized in that the terminal further includes processing unit；The optics device Part further includes second camera；The resolution ratio of the second camera is greater than 8M；
First camera and the second camera are electrically connected with the processing unit；
First camera be used for the processing unit transmission picture contrast-data, the second camera be used for The resolution data of the processing unit transmission picture；
The processing unit generates target image for handling the contrast-data and the resolution data.
CN201910557030.5A 2019-06-25 2019-06-25 Display screen and terminal Active CN110444125B (en)

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