CN108845466B - Display screens and display devices - Google Patents

Display screens and display devices Download PDF

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CN108845466B
CN108845466B CN201810688102.5A CN201810688102A CN108845466B CN 108845466 B CN108845466 B CN 108845466B CN 201810688102 A CN201810688102 A CN 201810688102A CN 108845466 B CN108845466 B CN 108845466B
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display screen
field effect
effect transistor
layer
data line
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CN108845466A (en
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黄育丁
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Wuhan Xingji Meizu Technology Co ltd
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Meizu Technology Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136213—Storage capacitors associated with the pixel electrode
    • 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]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • 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
    • H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明提供了一种显示屏幕和一种显示装置，其中，显示屏幕具有光感电路的薄膜晶体管层，具有光感电路的薄膜晶体管层包含：第一TFT场效应管驱动电路，其中第一TFT场效应管驱动电路包括第一数据线、第一扫描线和第一TFT场效应管；至少一个光传感器的一端与第一数据线或第一扫描线相连，光传感器的另一端连接数据接口；或光传感器的一端与第一数据线相连，光传感器的另一端接地。通过将光传感器集成制造在显示屏幕中，进而利用屏幕完成现有光感器件的工作，避免了“刘海屏”的出现，提升了显示屏幕的美观的同时具备光感器件功能的显示屏幕能够均匀感受环境光，避免出现了局部光对显示状态的影响，提升了用户的使用体验。

Figure 201810688102

The present invention provides a display screen and a display device, wherein the display screen has a thin film transistor layer with a photosensitive circuit, and the thin film transistor layer with a photosensitive circuit includes: a first TFT field effect transistor driving circuit, wherein the first TFT The field effect transistor driving circuit includes a first data line, a first scan line and a first TFT field effect transistor; one end of at least one light sensor is connected to the first data line or the first scan line, and the other end of the light sensor is connected to a data interface; Or one end of the light sensor is connected to the first data line, and the other end of the light sensor is grounded. By integrating the light sensor into the display screen, and then using the screen to complete the work of the existing light-sensing device, the appearance of "Liu Haiping" is avoided, the appearance of the display screen is improved, and the display screen with the function of the light-sensing device can be uniformly Feel the ambient light, avoid the influence of local light on the display state, and improve the user experience.

Figure 201810688102

Description

Display screen and display device
Technical Field
The invention relates to the field of display screens, in particular to a display screen and a display device.
Background
The light sense device of current mobile phone all sets up in the earphone position, and light sense device itself possesses certain volume, occupies earphone next door position, and then crowds the space of occupying the screen, appears in cell-phone screen upper edge position display area shape difference, causes the appearance of "bang screen", seriously influences mobile phone terminal's pleasing to the eye.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention is to propose a display screen.
A second aspect of the present invention is to provide a display device.
In view of this, according to a first aspect of the present invention, there is provided a display screen comprising: a thin-film transistor layer having photosensitive circuitry, the thin-film transistor layer having photosensitive circuitry comprising: the first TFT field effect transistor driving circuit comprises a first data line, a first scanning line and a first TFT field effect transistor; one end of at least one optical sensor is connected with the first data line or the first scanning line, and the other end of the optical sensor is connected with the data interface; or one end of the optical sensor is connected with the first data line, and the other end of the optical sensor is grounded.
The display screen provided by the invention has a thin film transistor layer of a photosensitive circuit, wherein the thin film transistor layer of the photosensitive circuit comprises: the display device comprises a first TFT field effect transistor driving circuit and at least one optical sensor, wherein the at least one optical sensor is connected with a first data line or a first scanning line in the first TFT field effect transistor driving circuit, the other end of the optical sensor is connected with a data interface, and when the first data line or the first scanning line supplies power for driving the optical sensor, the optical sensor senses ambient light in front of a display screen and transmits light received by the optical sensor in a data form through the data interface so that the display screen can adjust the display state; or, with light sensor's one end ground connection, the other end and first data connection, transmit away the pressure drop that light sensor produced in the environment light that experiences before the display screen through first data line, so that display screen adjustment display state, through making the light sensor integration in display screen, and then utilize the screen to accomplish the work of current light sense device, the appearance of "bang hai screen" has been avoided, display screen's pleasing to the eye has been promoted, the difference sets up with current light sense device alone, the display screen that possesses light sense device function can evenly experience environment light, the influence of local light to display state has been avoided appearing, user's use experience has been promoted.
In addition, according to the display screen in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in the above technical solution, preferably, the thin-film transistor layer with a photosensitive circuit further includes:
and the second TFT field effect transistor driving circuit comprises a second data line, a second scanning line and a second TFT field effect transistor.
In the technical scheme, when the thin film transistor layer with the photosensitive circuit is provided with the connecting circuit of the first TFT field effect transistor driving circuit and the at least one optical sensor, the thin film transistor layer further comprises a second TFT field effect transistor driving circuit, wherein the second TFT field effect transistor driving circuit comprises a second data line, a second scanning line and a second TFT field effect transistor, the number of the optical sensors in the manufacturing process is further reduced, the cost is further reduced, and the ratio number of the connecting circuit of the first TFT field effect transistor driving circuit and the at least one optical sensor and the second TFT field effect transistor driving circuit is reasonably set according to the actual production cost.
In any of the above technical solutions, preferably, a source electrode of the first TFT field effect transistor is connected to the first data line, a gate electrode of the first TFT field effect transistor is connected to the first scan line, and a drain electrode of the first TFT field effect transistor is grounded through the storage capacitor and the liquid crystal capacitor, respectively; and the source electrode of the second TFT field effect transistor is connected with the second data line, the grid electrode of the second TFT field effect transistor is connected with the second data line, and the drain electrode of the second TFT field effect transistor is grounded through the storage capacitor and the liquid crystal capacitor respectively.
In the technical scheme, a source electrode of a first TFT field effect transistor is connected with a first data line, a grid electrode of the first TFT field effect transistor is connected with a first scanning line, and a drain electrode of the first TFT field effect transistor is grounded through a storage capacitor and a liquid crystal capacitor respectively; the source electrode of the second TFT field effect transistor is connected with the second data line, the grid electrode of the second TFT field effect transistor is connected with the second scanning line, the drain electrode of the second TFT field effect transistor is grounded through the storage capacitor and the liquid crystal capacitor respectively, the first data line provides a control signal for the first TFT field effect transistor, the first scanning line provides opening and closing voltage, and under different states of the first data line, the output of the first TFT field effect transistor and the output of the second TFT field effect transistor are controlled to be in different states, so that display of a display screen is controlled.
In any of the above technical solutions, preferably, the first data line is connected to the second data line; and the first scanning line is connected with the second scanning line.
In the technical scheme, the first TFT field effect transistor and the second TFT field effect transistor can be connected to the same data line and the same scanning line and then run under the drive control of the same data line and the same scanning line, so that the number of the data line and the scanning line is reduced, the etching difficulty is reduced, the manufacturing cost is saved, and the simultaneous control display is realized.
In any of the above technical solutions, preferably, the light sensor is a photoelectric sensor.
In this technical scheme, optical sensor includes but not limited to photoelectric sensor, can rationally select according to manufacturing cost, also can select suitable optical sensor according to manufacturing process, through set up optical sensor in thin film transistor layer and avoided the appearance of "bang hai screen", promoted display screen's pleasing to the eye, distinguish with the independent setting of current light sense device, the display screen that possesses the light sense device function can evenly experience ambient light, avoided appearing local light to the influence that shows the state, user's use experience has been promoted.
In any of the above technical solutions, preferably, the number of the optical sensors is 3, and the optical sensors have different sensitive frequency bands.
In this technical scheme, light sensor can set to a plurality of sensitive frequency channels, and then rationally adjusts according to the concrete application scene of display screen, perhaps sets up according to the specific condition that the user used, and then the at utmost experiences display screen all ring edge border ambient light, and the display state of rational adjustment display screen promotes user's use and experiences.
In any of the above technical solutions, preferably, the sensitive frequency band corresponds to at least one of three primary colors.
In the technical scheme, the sensitive frequency band is set to be one or more of the three primary colors, and when the display screen displayed by the three primary colors is controlled to work, the light sensors of the sensitive frequency band of the three primary colors sense the ambient light and then convert the ambient light into corresponding three primary color values to control the display state of the display screen of the three primary colors, so that the control accuracy is improved, and the use experience of a user is improved.
In the above technical solution, preferably, the method further includes: a backlight layer; a thin film transistor layer with a photosensitive circuit is arranged between the liquid crystal box and the backlight layer; a color filter layer is arranged between the polaroid and the liquid crystal box in an attaching manner; the cover plate is attached to the polaroid.
In the technical scheme, circuit communication is achieved between different layers in an etching mode, and then other layers are driven to emit light and display according to the thin film transistor layer with the light sensing circuit, the thin film transistor layer with the light sensing circuit can be applied to a liquid crystal display screen, so that the liquid crystal display screen can achieve the effect of a light sensing device while achieving display, the ambient light of the current display screen is determined, the display state of the display screen is adjusted, and display service is provided better.
In the above technical solution, preferably, the method further includes: a cathode layer; an anode layer; a matrix organic light-emitting layer is arranged between the cathode layer and the anode layer; the thin film transistor layer with the photosensitive circuit is attached to the anode layer.
In the technical scheme, the thin film transistor layer with the photosensitive circuit is applied to an active matrix organic light emitting diode panel with a cathode layer, an anode layer and a matrix organic light emitting layer, the first TFT field effect transistor driving circuit and/or the second TFT field effect transistor driving circuit drive the active matrix organic light emitting diode panel to display, meanwhile, ambient light around the current display screen is sensed according to the optical sensor, the display state of the display screen is adjusted according to the ambient light, and then the use experience of a user is improved.
According to a second aspect of the present invention there is provided a display device comprising a display screen as defined in any one of the above.
The display device provided by the invention is provided with the display screen, so that the display device has all the beneficial technical effects of the display device, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram showing specific circuit connections of a thin-film transistor layer with photosensitive circuits in a display screen according to an embodiment of the invention;
FIG. 2 is a schematic diagram showing specific circuit connections of a thin-film transistor layer with photosensitive circuits in a display screen according to another embodiment of the invention;
FIG. 3 illustrates a schematic structural diagram of a display screen according to one embodiment of the present invention;
FIG. 4 illustrates a schematic structural diagram of a display screen according to one embodiment of the present invention;
fig. 5 shows a schematic position diagram of the first data line and the optical sensor in the BM area in an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is: 10 a first TFT field effect transistor drive circuit, 102 a first data line, 104 a first scan line, 106 a first TFT field effect transistor, 20 a light sensor.
Wherein, the correspondence between the reference numbers and the part names in fig. 3 and 4 is: 1 thin film transistor layer with photosensitive circuit, 2 backlight layer, 3 liquid crystal box, 4 polaroid, 5 color filter layer, 6 cover plate and 7BM area.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Embodiments of a first aspect of the invention provide a display screen.
FIG. 1 shows a detailed circuit connection diagram of a thin-film transistor layer with photosensitive circuits in a display screen according to an embodiment of the invention.
FIG. 2 is a schematic diagram showing specific circuit connections of a thin-film transistor layer with photosensitive circuits in a display screen according to another embodiment of the invention.
As shown in fig. 1 and 2, a thin-film transistor layer 1 with photosensitive circuits in an embodiment of the present invention includes: a first TFT field effect transistor driving circuit 10, wherein the first TFT field effect transistor driving circuit 10 includes a first data line 102, a first scan line 104, and a first TFT field effect transistor 106; one end of at least one optical sensor 20 is connected with the first data line 102 or the first scanning line 104, and the other end of the optical sensor 20 is connected with the data interface; or one end of the optical sensor 20 is connected to the first data line 102 and the other end of the optical sensor 20 is grounded.
In this embodiment, as shown in fig. 1, a first TFT field effect transistor driving circuit 10, wherein the first TFT field effect transistor driving circuit 10 includes a first data line 102, a first scan line 104, and a first TFT field effect transistor 106; one end of at least one light sensor 20 is connected with the first scanning line 104, the other end of the light sensor 20 is connected with a data interface, when the first data line or the first scanning line supplies power for driving the light sensor, the light sensor senses the ambient light in front of the display screen and transmits the light received by the light sensor in the form of data through the data interface, so that the display screen adjusts the display state. Through making the light sensor integration in display screen, and then utilize the screen to accomplish the work of current light sense device, avoided the appearance of "bang hai screen", promoted display screen's pleasing to the eye, the difference with the independent setting of current light sense device, the display screen that possesses the light sense device function can evenly experience ambient light, has avoided the influence of local light to the display state to appear, has promoted user's use and has experienced.
In one embodiment of the present invention, a first TFT field effect transistor driving circuit, wherein the first TFT field effect transistor driving circuit includes a first data line, a first scan line, and a first TFT field effect transistor; one end of at least one optical sensor is connected with the first data line, the other end of the optical sensor is connected with the data interface, when the first data line or the first scanning line supplies power for the optical sensor drive, the optical sensor senses the ambient light in front of the display screen and transmits the light received by the optical sensor in a data form through the data interface, so that the display screen adjusts the display state. Through making the light sensor integration in display screen, and then utilize the screen to accomplish the work of current light sense device, avoided the appearance of "bang hai screen", promoted display screen's pleasing to the eye, the difference with the independent setting of current light sense device, the display screen that possesses the light sense device function can evenly experience ambient light, has avoided the influence of local light to the display state to appear, has promoted user's use and has experienced.
In one embodiment of the present invention, as shown in fig. 2, a first TFT field effect transistor driving circuit 10, wherein the first TFT field effect transistor driving circuit 10 includes a first data line 102, a first scan line 104, and a first TFT field effect transistor 106; one end of the photo sensor 20 is connected to the first data line 102, and the other end of the photo sensor 20 is grounded. The pressure drop transmission who produces with light sensor the ambient light before feeling display screen through first data line goes out, so that display screen adjustment display state, through making light sensor integration in display screen, and then utilize the screen to accomplish the work of current light sense device, the appearance of "bang hai screen" has been avoided, display screen's pleasing to the eye has been promoted, the difference sets up with current light sense device's alone, the display screen that possesses the light sense device function can evenly experience ambient light, the influence of local light to display state has been avoided appearing, user's use experience has been promoted.
In one embodiment of the present invention, preferably, the thin-film transistor layer with photosensitive circuit further comprises: and the second TFT field effect transistor driving circuit comprises a second data line, a second scanning line and a second TFT field effect transistor.
In this embodiment, the thin film transistor layer having the photosensitive circuit includes a second TFT field effect transistor driving circuit while having a connection circuit between the first TFT field effect transistor driving circuit 10 and the at least one optical sensor 20, where the second TFT field effect transistor driving circuit includes a second data line, a second scanning line and a second TFT field effect transistor, so as to reduce the number of optical sensors in the manufacturing process, and further reduce the cost, and the number of the ratio between the connection circuit between the first TFT field effect transistor driving circuit 10 and the at least one optical sensor 20 and the second TFT field effect transistor driving circuit is reasonably set according to the actual production cost.
In one embodiment of the present invention, preferably, the source of the first TFT field effect transistor 106 is connected to the first data line 102, the gate of the first TFT field effect transistor 106 is connected to the first scan line 104, and the drain of the first TFT field effect transistor 106 is grounded through the storage capacitor and the liquid crystal capacitor, respectively; and the source electrode of the second TFT field effect transistor is connected with the second data line, the grid electrode of the second TFT field effect transistor is connected with the second data line, and the drain electrode of the second TFT field effect transistor is grounded through the storage capacitor and the liquid crystal capacitor respectively.
In this embodiment, the source of the first TFT field effect transistor 106 is connected to the first data line 102, the gate of the first TFT field effect transistor 106 is connected to the first scan line 104, and the drain of the first TFT field effect transistor 106 is grounded through the storage capacitor and the liquid crystal capacitor, respectively; the source electrode of the second TFT field effect transistor is connected with the second data line, the grid electrode of the second TFT field effect transistor is connected with the second scanning line, the drain electrode of the second TFT field effect transistor is grounded through the storage capacitor and the liquid crystal capacitor respectively, the first data line 102 provides a control signal for the first TFT field effect transistor, the first scanning line 104 provides opening and closing voltage, and under different states of the first data line 102, the output of the first TFT field effect transistor and the output of the second TFT field effect transistor are controlled to be in different states, so that the display of a display screen is controlled.
In one embodiment of the present invention, it is preferable that the first data line 102 is connected to the second data line; and the first scan line 104 is connected to the second scan line.
In this embodiment, the first TFT field effect transistor 106 and the second TFT field effect transistor may be connected to the same data line and scan line, and then operate under the driving control of the same data line and scan line, so that the number of data lines and scan lines is reduced, the etching difficulty is reduced, the manufacturing cost is saved, and the simultaneous control display is realized.
In one embodiment of the present invention, the light sensor 20 is preferably a photosensor.
In this technical scheme, light sensor 20 includes but not limited to photoelectric sensor, can rationally select according to manufacturing cost, also can select suitable light sensor 20 according to manufacturing process, the appearance of "bang hai screen" has been avoided through setting up light sensor 20 in thin film transistor layer, the pleasing to the eye of display screen has been promoted, the difference sets up with current light sense device alone, the display screen that possesses the light sense device function can evenly experience ambient light, the influence of local light to the display state has been avoided appearing, user's use experience has been promoted.
In one embodiment of the present invention, it is preferable that the number of the light sensors 20 is 3, and the light sensors 20 have different sensitive frequency bands.
In this embodiment, the optical sensor 20 may be set to a plurality of sensitive frequency bands, and then reasonably adjust according to a specific application scene of the display screen, or set according to a specific condition used by a user, and then feel ambient light around the display screen to the maximum extent, reasonably adjust the display state of the display screen, and improve the user experience.
In one embodiment of the present invention, preferably, the sensitive frequency band corresponds to at least one of three primary colors.
In the embodiment, the sensitive frequency band is set to be one or more of the three primary colors, and when the display screen displayed by controlling the three primary colors works, the light sensors of the sensitive frequency band of the three primary colors control the display state of the display screen by converting the light sensors into corresponding three primary color values after sensing the ambient light, so that the control accuracy is improved, and the use experience of a user is improved.
Fig. 3 shows a schematic structural diagram of a display screen according to an embodiment of the present invention.
In one embodiment of the present invention, preferably, the method further includes: a backlight layer 2; a thin film transistor layer 1 with a photosensitive circuit is arranged between the liquid crystal box 3 and the backlight layer 2; a color filter layer 5 is arranged between the polarizer 4 and the liquid crystal box 3 in an attaching manner; and the cover plate 6 is attached to the polaroid 4.
In this embodiment, the different layers are connected by etching, and then the thin film transistor layer 1 with the light sensing circuit drives the liquid crystal cell to drive the other layers to emit light and display, and the thin film transistor layer with the light sensing circuit can be applied to a liquid crystal display screen, so that the liquid crystal display screen can realize the effect of a light sensing device while realizing display, determine the ambient light of the current display screen and adjust the display state of the display screen, and further provide display service better.
In one embodiment of the present invention, preferably, the method further includes: a cathode layer; an anode layer; a matrix organic light-emitting layer is arranged between the cathode layer and the anode layer; the thin film transistor layer with the photosensitive circuit is attached to the anode layer.
In this embodiment, the thin film transistor layer 1 having the photosensitive circuit is applied to an active matrix organic light emitting diode panel having a cathode layer, an anode layer, and a matrix organic light emitting layer, and when the first TFT field effect transistor driving circuit and/or the second TFT field effect transistor driving circuit drives the active matrix organic light emitting diode panel to display, the display state of the display screen is adjusted according to ambient light sensed by the light sensor, so as to improve the user experience.
Fig. 4 shows a schematic structural diagram of a display screen according to an embodiment of the present invention.
In one embodiment of the present invention, the light sensor 20 is preferably disposed in the BM region 7, and the etching is assisted by adding an additional mask.
Fig. 5 shows a schematic position diagram of the first data line 202 and the optical sensor 20 in the BM area 7 in an embodiment of the present invention.
As shown in fig. 5, the vertical area in the BM area 7 is used for routing the first data line 202, and the horizontal area can be used for disposing the light sensor 20.
Embodiments of a second aspect of the invention provide a display device.
The display device provided by the invention comprises the display screen. For example, the display device is an electronic apparatus or a communication apparatus having the above-described display screen.
The display device provided by the invention is provided with any one display screen, so that the display device has all the beneficial technical effects of the display device, and the description is omitted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A display screen, comprising:
a thin-film transistor layer having photosensitive circuitry, the thin-film transistor layer having photosensitive circuitry comprising:
the first TFT field effect transistor driving circuit comprises a first data line, a first scanning line and a first TFT field effect transistor;
one end of the optical sensor is connected with the first data line or the first scanning line, and the other end of the optical sensor is connected with a data interface; or
One end of the optical sensor is connected with the first data line, and the other end of the optical sensor is grounded;
the light sensors have different sensitive frequency bands.
2. The display screen of claim 1, wherein the thin-film transistor layer with photosensitive circuitry further comprises:
and the second TFT field effect transistor driving circuit comprises a second data line, a second scanning line and a second TFT field effect transistor.
3. The display screen of claim 2,
the source electrode of the first TFT field effect transistor is connected with the first data line, the grid electrode of the first TFT field effect transistor is connected with the first scanning line, and the drain electrode of the first TFT field effect transistor is grounded through a storage capacitor and a liquid crystal capacitor respectively;
and the source electrode of the second TFT field effect transistor is connected with the second data line, the grid electrode of the second TFT field effect transistor is connected with the second scanning line, and the drain electrode of the second TFT field effect transistor is grounded through a storage capacitor and a liquid crystal capacitor respectively.
4. The display screen of claim 3,
the first data line is connected with the second data line; and
the first scanning line is connected with the second scanning line.
5. The display screen of claim 1, wherein the light sensor is a photosensor.
6. A display screen in accordance with claim 5, wherein the number of light sensors is 3.
7. A display screen in accordance with claim 6, wherein the sensitive frequency band corresponds to at least one of three primary colors.
8. The display screen of any one of claims 1 to 7, further comprising:
a backlight layer;
the thin film transistor layer with the photosensitive circuit is arranged between the liquid crystal box and the backlight layer;
a color filter layer is arranged between the polaroid and the liquid crystal box in an attaching mode;
the cover plate is attached to the polaroid.
9. The display screen of claim 1 or 2, further comprising:
a cathode layer;
an anode layer; a matrix organic light-emitting layer is arranged between the cathode layer and the anode layer;
the thin film transistor layer with the photosensitive circuit is attached to the anode layer.
10. The display screen of any one of claims 5 to 7, further comprising:
a cathode layer;
an anode layer; a matrix organic light-emitting layer is arranged between the cathode layer and the anode layer;
the thin film transistor layer with the photosensitive circuit is attached to the anode layer.
11. A display device comprising a display screen according to any one of claims 1 to 10.
CN201810688102.5A 2018-06-28 2018-06-28 Display screens and display devices Active CN108845466B (en)

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