CN208888524U - Pixel driving circuit, image element structure and display panel - Google Patents
Pixel driving circuit, image element structure and display panel Download PDFInfo
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- CN208888524U CN208888524U CN201821853852.5U CN201821853852U CN208888524U CN 208888524 U CN208888524 U CN 208888524U CN 201821853852 U CN201821853852 U CN 201821853852U CN 208888524 U CN208888524 U CN 208888524U
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- 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
-
- 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
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- 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
Abstract
This application provides a kind of pixel driving circuit, image element structure and display panels；The pixel driving circuit includes: public electrode wire and multiple picture elements in array distribution, each picture element includes the first picture element region and the second picture element region being disposed adjacent in the horizontal direction；The application controls third switching tube conducting in the second picture element region, by the electric charge transfer in the second picture element region in the second pixel electrode to public electrode wire, to adjust the voltage of the second pixel electrode, the low colour cast design for display panel is realized, the aperture opening ratio of picture element is improved；So that the aperture opening ratio for solving picture element in example technique is lower, the bad problem of the big visual angle viewing effect of display panel.
Description
Technical field
The application belongs to field of display technology more particularly to a kind of pixel driving circuit, image element structure and display panel.
Background technique
(Thin Film Transistor Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD
Show device) it is used as a kind of image display device, it is widely used in each industrial technical field；Common, TFT-LCD is needed
Driving signal is accessed by driving cabling, drive each picture element in display panel that can issue not by driving signal
With the light source of color；The driving method of display panel includes: normal (system) driving, tri-gate (three-dimensional crystal) driving
Deng, wherein tri-gate driving can realize the turntable driving process of picture element in display panel using a small amount of driving signal,
Therefore extremely wide application has been obtained in tri-gate driving in display panel.
However, user carries out big visual angle viewing in display panel since display panel is when carrying out large-size images display
When will appear color offset phenomenon, and the angle watched is bigger, then the color offset phenomenon in display panel will be more serious；Therefore it passes
The tri-gate driving of display panel can generate serious colour cast (color shift) phenomenon, and traditional technology in system technology
In display panel in need largely to drive cabling to access driving signal, and then cause pixel circuit that can integrate excessive electricity
The aperture opening ratio of sub- component, picture element is lower.
Utility model content
The application provides a kind of pixel driving circuit, image element structure and display panel, it is intended to which the technical issues of solving include
But be not limited to: display panel will appear serious color offset phenomenon, the big visual angle poor display effect of display panel picture, picture element
Aperture opening ratio is lower, the bad problem of the ornamental experience of user.
The application first aspect provides a kind of pixel driving circuit, comprising:
Public electrode wire；
Multiple picture elements in array distribution, the picture element are limited by scan line and data line intersection；
Wherein, each picture element includes the first picture element region and the second picture element region being disposed adjacent in the horizontal direction；
First picture element region includes: first switch tube and the first pixel electrode, and first pixel electrode passes through described
First switch tube connects the data line and the scan line；
Second picture element region includes: second switch, third switching tube and the second pixel electrode, second pixel
Electrode connects the data line and the scan line by second switch, and the first conducting pole of the third switching tube connects described the
Two pixel electrodes, the control electrode of the third switching tube connect the scan line, and the second conducting pole of the third switching tube meets institute
State public electrode wire；
In third switching tube conducting, the charge in second pixel electrode is exported by the third switching tube
To the public electrode wire.
In one of them embodiment, in first picture element region, the first conducting pole of the first switch tube is connect
Second conducting pole of first pixel electrode, the first switch tube connects the data line, the control of the first switch tube
Pole connects the scan line；
In second picture element region, the first conducting pole of the second switch connects second pixel electrode, described
Second conducting pole of second switch connects the data line, and the control electrode of the second switch connects the scan line, and described the
The control electrode of three switching tubes connects the scan line.
In one of them embodiment, in the same picture element, the first switch tube and the second switch are connect
Same scan line, the first switch tube and the second switch connect same data line.
In one of them embodiment, in the same picture element, the second switch and the third switching tube connect
Connect different scan lines.
In one of them embodiment, in the same picture element, the first scan line and the second scan line have on the contrary
Electric power polarity；
Wherein, first scan line is connect with the second switch, and second scan line and the third switch
Pipe connection.
In one of them embodiment, the picture element is designed using the farmland N, wherein the N is just more than or equal to 1
Integer.
In one of them embodiment, in two adjacent in vertical direction picture elements, the third in previous picture element
Switching tube in the latter picture element first switch tube and second switch connect same scan line.
In one of them embodiment, in the same picture element, first pixel electrode and second pixel electricity
It is great to have different current potentials.
The application second aspect provides a kind of image element structure, comprising:
Pixel driving circuit as described above；
Array substrate；
Wherein, the array substrate is provided with multiple picture elements in array distribution, the public electrode wire and the array
Substrate is oppositely arranged；
In the pixel driving circuit, the second conducting pole of the third switching tube passes through opening in the array substrate
Hole and the public electrode wire are electrically connected.
The application third aspect provides a kind of display panel, including image element structure as described above.
Picture element is divided into the first picture element region and the second picture element region by the embodiment of the present application, and passes through the second picture element region of control
In second switch conducting or off state so that the electric charge transfer in the second pixel electrode in the second picture element region is extremely
Public electrode wire, to adjust the voltage difference in picture element between different picture element regions, the picture element in display panel is able to maintain stabilization
Voltage, improve the color shift phenomenon of display panel, big visual angle display effect is more preferably in display panel；It reduces simultaneously
The quantity of driving signal, improves the aperture opening ratio of picture element, enhances the usage experience of user in picture element；Solves exemplary skill
Display panel can have serious color offset phenomenon, the lower problem of aperture opening ratio in art.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of pixel driving circuit provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of picture element provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another picture element provided by the embodiments of the present application；
Fig. 4 is a kind of function structure chart of image element structure provided by the embodiments of the present application；
Fig. 5 is a kind of function structure chart of display panel provided by the embodiments of the present application.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, and
It is not used in restriction the application.
It should be noted that display panel develops towards widescreen and large scale direction, then the picture element in display panel
Driving circuit has more complicated circuit structure and control principle, then the display panel in example technique can exist serious
Colour cast problem and the lower problem of aperture opening ratio；Wherein the colour cast problem refers to: form and aspect of picture color in display panel, full
There is apparent difference with degree and extraneous true image, certain color is different from original tone in picture, and picture entirety is inclined
To one tone of Mr. Yu, lead to overall picture problem of disharmony in display panel；The aperture opening ratio problem refers to: removing in picture element
Ratio after wiring part, switching tube, between the picture element area for the part that light passes through and the area of each picture element entirety；It is logical
Normal, the aperture opening ratio of picture element is higher, and light is higher by the efficiency of picture element, and the picture of display panel can be shown more correctly
Grayscale；Pixel driving circuit provided by the embodiments of the present application is able to solve the colour cast problem of display panel and improves opening for picture element
Mouth rate.
The structural representation that Fig. 1 shows pixel driving circuit 10 provided by the embodiments of the present application is only shown for ease of description
Part relevant to the embodiment of the present application is gone out, as shown in Figure 1, pixel driving circuit 10 includes public electrode wire Acom and more
A picture element 101.
Wherein, there are common voltages on public electrode wire Acom, can be enable at picture element 101 by the common voltage
In stable working condition；Illustratively, due to the common voltage on public electrode wire Acom and the pixel voltages in picture element 101
There are voltage differences, and by adjusting brightness and color range in the changeable display panel of the voltage difference, display panel can show dynamic
State, complete picture.
Multiple picture elements 101 in array distribution, the picture element 101 are limited by scan line G and data line D intersection.
As an alternative embodiment, the picture element 101 is in red picture element, green picture element and blue picture element
Any one, display panel can be shaped to the picture of different color ranges in conjunction with multiple picture elements 101 with group.
In the present embodiment, the picture element 101 is connect with scan line G and data line D, and scan line G has scanning letter
Number, the on off operating mode of picture element 101 can be controlled by the scanning signal, there are data-signals on data line D, believe by the data
It number can be realized the charging process of picture element 101；Illustratively, if picture element 101 is connected by scanning signal, picture element 101 is connect
Enter data-signal to realize the charging operations of itself, voltage will rise accordingly in picture element 101, to drive display panel can
The light source of different color is presented；Therefore the pixel driving circuit 10 has more simplified circuit structure and its control method.
As an alternative embodiment, in the present embodiment, with the face having the same of picture element 101 all in a line
Color；The control performance of picture display effect is stronger in display panel.
Wherein, each picture element 101 includes the first picture element region 201 and the second picture element region being disposed adjacent in the horizontal direction
202；As shown in Fig. 2, Fig. 2 shows the structural representation of each picture element 101 provided by the embodiments of the present application, in each picture
In element 101, the first picture element region 201 and the second picture element region 202 are respectively provided with corresponding voltage, by adjusting the first picture element region 201
Current potential and the current potential of the second picture element region 202 picture element 101 can be made to be in corresponding working condition, display panel combines multiple picture elements
101 cooperate with each other so that the picture of different color is presented.
In the embodiment of the present application, the first picture element region 201 includes: first switch tube 204 and the first pixel electrode 203, institute
It states the first pixel electrode 203 and the data line D and the scan line G is connect by the first switch tube 204.
In the embodiment of the present application, the second picture element region 202 includes: second switch 205, third switching tube 206 and
Two pixel electrodes 207, the second pixel electrode 207 connect data line D and scan line G, third switching tube by second switch 205
206 the first conducting pole connects the second pixel electrode 207, and the control electrode of third switching tube 206 connects scan line G, third switching tube 206
Second conducting pole meet public electrode wire Acom.
In the third switching tube 206 conducting, the charge in the second pixel electrode 207 is defeated by third switching tube 206
Out to public electrode wire Acom.
The structure of picture element 101 out shown in Fig. 2, passes through the data in the scanning signal and data line D on scan line G
Signal can control the conducting or shutdown of first switch tube 204, when first switch tube 204 is connected, pass through data-signal energy
It is enough to charge to the first pixel electrode 203, to change the current potential in the first pixel electrode 203；In combination with scanning signal and
Data-signal can control the conducting or shutdown of second switch 205, and when second switch 205 is connected, data line D passes through
Second switch 205 outputs the data signal to the second pixel electrode 207, to realize the charging process of the second pixel electrode 207；
Therefore the conducting or shutdown of the embodiment of the present application combination first switch tube 204 and second switch 205, can be realized picture element
The charge function of each pixel electrode in 101, to ensure that picture element 101 can be realized video drive function.
When picture element 101 is in normal work, the first pixel electrode 203 and the second pixel electrode 207 since charging can deposit
In corresponding current potential, and the current potential of the current potential of the first pixel electrode 203 and the second pixel electrode 207 can have biggish difference
It is different, the work shape of picture element 101 can be changed if adjusting the voltage difference between the first pixel electrode 203 and the second pixel electrode 207
Different picture and color can be presented in state, display panel；Therefore, the embodiment of the present application is discharged by third switching tube 206
Charge in second pixel electrode 207, to adjust the current potential of the second pixel electrode 207, the picture changed in display panel is shown
State improves the big visual angle display effect of picture in display panel.
Therefore the embodiment of the present application is by being divided into two picture element regions (the first picture element region 201 and the second picture element for picture element 101
Area 202), and controlled using 3 switching tubes (first switch tube 204, second switch 205 and third switching tube 206)
The working condition of two picture element regions, circuit structure are simple；As shown in Fig. 2, the embodiment of the present application uses in pixel driving circuit
3T design (3 switching tubes), and the charge in the second pixel electrode 207 can be discharged by third switching tube 206, with
The voltage difference between the first picture element region 201 and the second picture element region 202 is adjusted, is reduced under display panel shows at big visual angle
Colour cast situation；The embodiment of the present application, come the charge in pixel electrode of releasing, simplifies display without additional driving cabling
The circuit structure of pixel driving circuit 10 in panel, improves the aperture opening ratio of picture element 101；It is shown to solve in example technique
Show that panel will appear serious color offset phenomenon, the lower problem of the aperture opening ratio of picture element in the case where big visual angle is shown.
As an alternative embodiment, in the same picture element 101, first pixel electrode 203 and the second picture
Plain electrode 207 has different current potential.
As shown in Fig. 2, during the charging process due to the first pixel electrode 203 and the second pixel electrode 207, the first pixel electricity
Different voltage differences can be showed between pole 203 and the second pixel electrode 207, the embodiment of the present application passes through third switching tube 206
Charge in second pixel electrode 207 is discharged to public electrode wire Acom, to adjust the first pixel electrode 203 and the second picture
The working condition of voltage difference between plain electrode 207, picture element 101 has good controllability, improves opening for picture element 101
Mouthful rate, display panel can show more complete, clearly picture, bring good visual experience to user.
As an alternative embodiment, as shown in Fig. 2, in the first picture element region 201, the of first switch tube 204
One conducting pole connects the first pixel electrode 203, and the second conducting pole of first switch tube 204 meets data line D, first switch tube 204
Control electrode meets scan line G.
In the embodiment of the present application, there are scanning signals by scan line G, can control by the level state of scanning signal
The conducting or shutdown of one switching tube 204；Illustratively, when scanning signal is the first level, the first of first switch tube 204
It will be connected between conducting pole and the second conducting pole, the first pixel electrode 203 can be realized by the data-signal on data line D
Charging operations, therefore in the embodiment of the present application the first pixel electrode 203 charge rate have splendid controllability.
As shown in Fig. 2, first conducting pole of the second switch 205 connects the second pixel electricity in the second picture element region 202
Second conducting pole of pole 207, second switch 205 meets data line D, and the control electrode of second switch 205 connects scan line G, third
The control electrode of switching tube 206 meets scan line G.
In the embodiment of the present application, the charging process of the first pixel electrode 203 can be controlled by first switch tube 204,
The charging process that the second pixel electrode 207 can be controlled by second switch 205, by making the first pixel electrode 203 and
Different current potentials is presented in two pixel electrodes 207, and then changes the video drive state of picture element 101, the pixel driving circuit 10 tool
There is splendid controllability；Simultaneously in the second picture element region 202, make third switching tube 206 by scanning signal first is connected
Pole and the second conducting are extremely directly connected, and the charge in the second pixel electrode 207 passes sequentially through the first conducting of third switching tube 206
Pole and the second conducting pole are exported to public electrode wire Acom, the voltage between the first pixel electrode 203 and the second pixel electrode 207
Difference can also change with the on state or off state of third switching tube 206；Therefore the picture in the embodiment of the present application
Plain driving circuit 10 designs to adjust voltage difference between the pixel electrode in picture element 101 using 3T, saves in display panel and draws
The turntable driving cost of element 10, pixel driving circuit 10 have less electronic component, improve the aperture opening ratio of picture element 101,
Improve the color offset phenomenon of display panel picture.
As an alternative embodiment, first switch tube 204 is MOS pipe or three poles in the picture element 101
Pipe, second switch 205 are that perhaps triode third switching tube 206 is metal-oxide-semiconductor or triode to metal-oxide-semiconductor, therefore the application
Pixel driving circuit 10 has good compatibility in embodiment, can be applicable in different types of display panel；Illustratively,
First switch tube 204 is metal-oxide-semiconductor, and second switch 205 is metal-oxide-semiconductor, and third switching tube 206 is metal-oxide-semiconductor, wherein first switch tube
204 drain electrode meets data line D, and the source electrode of first switch tube 204 connects the first pixel electrode 203, the grid of first switch tube 204
Scan line G is met, the drain electrode of second switch 205 meets data line D, and the source electrode of second switch 205 connects the second pixel electrode 207,
The grid of second switch 205 meets scan line G, and the drain electrode of third switching tube 206 connects the second pixel electrode 207, third switching tube
206 grid meets scan line G, and the source electrode of third switching tube 206 meets public electrode wire Acom；Therefore the embodiment of the present application passes through three
A metal-oxide-semiconductor can control the voltage difference between the first pixel electrode 203 and the second pixel electrode 207, and pixel driving circuit 10 has
More simplified circuit structure, it is easy to accomplish.
As an alternative embodiment, as shown in Fig. 2, in the same picture element 101, first switch tube 204 and
Two switching tubes 205 meet same scan line G, and first switch tube 204 and second switch 205 meet same data line D, in turn
First pixel electrode 203 and the power supply having the same of the second pixel electrode 207 control polarity, pass through scanning signal and data-signal
First switch tube 204 can be controlled and second switch 205 is simultaneously turned on or simultaneously turned off, to realize the first pixel electrode
203 and second pixel electrode 207 charging process, data-signal can drive at picture element 10 by scanning signal all the way and all the way
In normal working condition, the scan control efficiency of picture element 101 in display panel is improved, the control cost of picture element 101 is lower；
It can ensure that picture element 101 is in stable working condition in conjunction with the first pixel electrode 203 and the second pixel electrode 207.
As an alternative embodiment, as shown in Fig. 2, in the same picture element 101, the second switch 205
Different scan line G is connected with the third switching tube 206.
In the embodiment of the present application, the control electrode of second switch 205 and the control electrode of third switching tube 206 are respectively connected to
There is different power supplys polarity is connected for different scanning signals, second switch 205 and third switching tube 206；Second pixel electricity
Pole 207 has access to data-signal by second switch 205, to realize charging process；And the second pixel electrode 207 passes through
Third switching tube 206 is by the electric charge transfer of itself to public electrode wire Acom；Therefore second switch 205 and third is combined to switch
Pipe 206 can realize the charging and discharging process of the second pixel electrode 207, to adjust the current potential of the second pixel electrode 207；To root
The current potential for adjust the second pixel electrode 207 in real time according to scanning signal, makes picture element 101 be in different working conditions；Pass through tune
Voltage difference in section picture element 101 between pixel electrode can improve the color offset phenomenon of display panel.
As an alternative embodiment, in the same picture element 101, the first scan line Gn and the second scan line Gn+1
With opposite electric power polarity；Wherein, the first scan line Gn is connect with the second switch 205, second scanning
Line Gn+1 is connect with the third switching tube 206.
In the embodiment of the present application, referring to shown in Fig. 2, the control electrode of second switch 205 connects the first scan line Gn, third
The control electrode of switching tube 206 connects the second scan line, due in the scanning signal and the second scan line Gn+1 on the first scan line Gn
Scanning signal there is different electric power polarity, second switch 205 and third switching tube 206 have opposite conducting pole
Property；Illustratively, when second switch 205 is connected, then third switching tube 206 turns off；When second switch 205 turns off,
Then third switching tube 206 is connected；Therefore in the total pixel driving circuit 10 of the embodiment of the present application, the second pixel electrode 207 exists
Any moment can only charge or can only discharge, to improve the controllability of 207 current potential of the second pixel electrode, the first pixel electrode
203 and the second voltage difference between pixel electrode 207 can change in an orderly manner under the control of scanning signal, improve display surface
The quality of picture in plate, picture element 101 are at the working condition of stable safety.
As an alternative embodiment, the picture element 101 is designed using the farmland N, wherein the N be more than or equal to
1 positive integer.
Illustratively, as N=8, Fig. 3 shows the structural representation of picture element 101 provided by the embodiments of the present application, due to every
One farmland can be respectively connected to corresponding scanning signal and data-signal, and then can be controlled by scanning signal and data-signal
8 farmlands in picture element 101；Optionally, the first picture element region 201 includes 4 farmlands in 8 farmlands, and the second picture element region 202 includes another in 8 farmlands
Outer 4 farmland；Picture element 101 can show different images/video in conjunction with 8 farmlands, and the picture in display panel has and can more preferably operate
Property.
In the embodiment of the present application, pixel driving circuit 10 is applicable in the picture element 101 on different farmlands, display panel according to
Scanning signal and data-signal can drive the farmland in picture element 101 to be in corresponding working condition, and pass through the second picture element region
Third switching tube in 202 is by the electric charge transfer in the second pixel electrode 207 to public electrode wire Acom, to adjust picture element 101
In voltage difference between the first picture element region 201 and the second picture element region 202, multiple farmlands in picture element 101 are at stable work
Make state, picture element 101 can issue the light source of various color ranges, improve the color offset phenomenon of multiple picture elements 101 in display panel, show
Show the big visual angle display effect of panel more preferably；To which the pixel driving circuit 10 in the embodiment of the present application has higher compatibility
Property, the scope of application is wider, display panel presentation can be made to be more clear, complete picture, improves the picture in display panel
Quality.
As an alternative embodiment, in two adjacent in vertical direction picture elements 101, previous picture element 101
In third switching tube 203 in the latter picture element 101 first switch tube 204 and second switch 205 connect same and sweep
Retouch line G.
With reference to the structure of picture element 101 in Fig. 2, due to the control electrode of third switching tube 206 in previous picture element 101, latter
The control electrode of second switch 205 connects altogether in the control electrode of first switch tube 204 and the latter picture element 101 in a picture element 101
In same scan line G, and then the working condition of former and later two picture elements can be controlled by scanning signal all the way, pass through scanning
Signal can control the current potential of pixel electrode in adjacent picture element, significantly reduce the scanning of multiple picture elements in the embodiment of the present application
Drive cost；The pixel driving circuit 10 can be enable in picture element 101 at picture element region by small number of scan line G
In stable working condition, reduce the wiring cost of scan line G in pixel driving circuit 10, simplifies pixel driving circuit 10
Internal circuit configuration, display panel is by driving the work of multiple pixel electrodes to mention so that more preferably big visual angle viewing effect is presented
The high aperture opening ratio of picture element 101.
Fig. 4 shows the modular structure of image element structure 40 provided by the embodiments of the present application, as shown in figure 4, image element structure 40
Including pixel driving circuit 10 as described above and array substrate 401.
Wherein, array substrate 401 is provided with multiple picture elements in array distribution, the public electrode wire Acom and array
Substrate 401 is oppositely arranged.
In the embodiment of the present application, the scan line G in pixel driving circuit 10 and data line D is arranged in array substrate 401
On, it can be charged to the pixel electrode in picture element by scanning signal and data-signal, and then be that each pixel has
Corresponding voltage；Since the common voltage and pixel voltage of public electrode wire Acom is there are pressure difference, this pressure difference will change aobvious
Show the deflection angle of liquid crystal molecule in panel, so that display panel can be presented the light source of different colours and brightness, in display panel
Picture have different color ranges；Therefore it can change the working condition of array substrate 401, display by pixel driving circuit 10
The design cost of internal circuit is lower in panel.
In pixel driving circuit 101, the second conducting pole of the third switching tube 206 passes through the array substrate 401
On aperture and the public electrode wire Acom be electrically connected.
Referring to the embodiment of above-mentioned Fig. 1 to Fig. 3, the second pixel electrode 207 in picture element will be certainly by third switching tube 206
The electric charge transfer of body is to public electrode wire Acom, to adjust the voltage difference in picture element between pixel electrode；In the embodiment of the present application
In, array substrate 401 itself has certain thickness and width, it is punched in array substrate 401, third switching tube 206
Second conducting pole passes through the aperture and public electrode wire Acom realization charge transmission in array substrate 401；Therefore the array base
Plate 401 has more simplified space structure, and pixel driving circuit 10 can carry out integrated routing in array substrate 401, to adjust
The voltage difference for saving pixel electrode in picture element, avoids the colour cast problem that display panel occurs when big visual angle is watched；The application is real
The array substrate 401 applied in example has higher circuit level, and the aperture opening ratio of picture element is higher, which can be compatible with
Suitable for different types of display panel, manufacturing cost and application cost are all lower, and practical value is high；To effectively solve
Image element structure is complex in display panel in example technique of having determined, and picture element aperture opening ratio is not high, the turntable driving cost of picture element
It is higher, the problem of display panel will appear serious colour cast when big visual angle is watched.
Fig. 5 shows the modular structure of display panel 50 provided by the embodiments of the present application, as shown in figure 5, the display panel
50 include image element structure 40 as described above.
As an alternative embodiment, the display panel 50 in the embodiment of the present application are as follows: LCD (Liquid
Crystal Display, liquid crystal display panel), OLED (Organic Electroluminesence Display, Organic Electricity
Laser display panel), QLED (Quantum Dot Light Emitting Diodes, light emitting diode with quantum dots) display surface
Plate etc..
Referring to the embodiment of above-mentioned Fig. 4, since image element structure 40 can adjust the pressure difference of pixel electrode in picture element, and
It does not need to increase additional driving cabling in picture element, pixel driving circuit 10 can be by picture by switching tube in the embodiment of the present application
The electric charge transfer of plain electrode improves the aperture opening ratio of picture element to public electrode wire Acom；The turntable driving cost of picture element is lower, draws
The circuit structure of plain driving circuit 10 is more simplified, realizes low color temperature (the Low color shift) design of display panel 50,
And display panel 50 has more preferably big visual angle display effect, display panel 50 under the driving of scanning signal and data-signal
Picture quality it is higher；It will appear serious colour cast, picture element to solve display panel in example technique and watch at big visual angle
Aperture opening ratio it is lower, in display panel picture element drive higher cost, the bad problem of picture quality.
In conclusion the pixel driving circuit in the application shifts the charge in pixel electrode using switching tube, to adjust
The voltage difference between pixel electrode is saved, picture element can be realized corresponding image-driven function, circuit structure, manufacturing cost and application
Cost is all relatively low, improves the aperture opening ratio of picture element, avoids colour cast problem of the display panel when big visual angle is watched, compatible pole
By force；Therefore the pixel driving circuit in the application is for promoting the picture quality of display panel in this field with particularly important
Meaning has extensive industrial production value.
Various embodiments are described to various devices, circuit, device, system and or method herein.It elaborates very much
Specific details is to provide general construction, the function, system of the embodiment that the sum as described in the description is shown in the accompanying drawings
The thorough understanding made and used.However it will be understood by those skilled in the art that embodiment can be in not such certain detail
It is carried out in the case where section.In other examples, well known operation, component and element is described in detail, in order to avoid make in specification
In embodiment indigestion.It will be understood by those skilled in the art that being unrestricted in the embodiment with shown in herein
Property example, and therefore it can be appreciated that, can be in specific structure and function details disclosed herein representative and and different
The range of definite limitation embodiment.
Throughout the specification to " various embodiments ", " in embodiments ", " embodiment " or " embodiment party
The reference of formula " etc., which is meant, is included at least one embodiment about a particular feature, structure, or characteristic described in embodiment
In.Therefore, phrase " in various embodiments ", " in some embodiments ", " in one embodiment " or " implementing
In mode " etc. the appearance in appropriate place throughout the specification be not necessarily all referring to same embodiment.In addition, specific spy
Sign, structure or characteristic can combine in any suitable manner in one or more embodiments.Implement accordingly, with respect to one
The a particular feature, structure, or characteristic that mode shows or describes can entirely or partly with one or more of the other embodiment spy
Sign, structure or characteristic are combined, without assuming that such combination is not illogical or non-functional limitation.Any side
To with reference to (for example, add, subtract, top, lower part, upwards, downwards, the left side, the right, to the left, to the right, top, bottom ...
On ... under, it is vertical, horizontal, clockwise and anticlockwise) purpose to be for identification to help reader to understand present disclosure,
And limitation is not generated, especially with regard to the position of embodiment, orientation or use.
Although describing certain embodiments above with some the level of detail, those of skill in the art can be to institute
Disclosed embodiment makes many changes without departing from the scope of the present disclosure.Connection is with reference to (for example, attachment, coupling, connection
Deng) should be widely interpreted, and may include the intermediate member between the connection of element and relative motion between elements.Cause
This, connection reference does not necessarily imply that two elements are directly connected to/couple and are in fixed relationship each other." such as " whole
Use in a specification should be widely interpreted and for providing the non-limitative example of embodiment of the present disclosure, and this public affairs
It opens and is not limited to such example.Being intended that all affairs for including in the foregoing description or be shown in the accompanying drawings should be interpreted only
It is merely illustrative rather than restrictive.The variation in details or structure can be made without departing from the disclosure.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. a kind of pixel driving circuit characterized by comprising
Public electrode wire；
Multiple picture elements in array distribution, the picture element are limited by scan line and data line intersection；
Wherein, each picture element includes the first picture element region and the second picture element region being disposed adjacent in the horizontal direction；
First picture element region includes: first switch tube and the first pixel electrode, and first pixel electrode passes through described first
Switching tube connects the data line and the scan line；
Second picture element region includes: second switch, third switching tube and the second pixel electrode, second pixel electrode
The data line and the scan line are connect by second switch, the first conducting pole of the third switching tube connects second picture
Plain electrode, the control electrode of the third switching tube connect the scan line, and the second conducting pole of the third switching tube connects the public affairs
Common-battery polar curve；
In third switching tube conducting, the charge in second pixel electrode is exported by the third switching tube to institute
State public electrode wire.
2. pixel driving circuit according to claim 1, which is characterized in that in first picture element region, described first
First conducting pole of switching tube connects first pixel electrode, and the second conducting pole of the first switch tube connects the data line,
The control electrode of the first switch tube connects the scan line；
In second picture element region, the first conducting pole of the second switch connects second pixel electrode, and described second
Second conducting pole of switching tube connects the data line, and the control electrode of the second switch connects the scan line, and the third is opened
The control electrode for closing pipe connects the scan line.
3. pixel driving circuit according to claim 1 or 2, which is characterized in that in the same picture element, described first is opened
Second switch described in Guan Guanhe connects same scan line, and the first switch tube and the second switch connect same data
Line.
4. pixel driving circuit according to claim 1 or 2, which is characterized in that in the same picture element, described second is opened
Third switching tube described in Guan Guanhe connects different scan lines.
5. pixel driving circuit according to claim 4, which is characterized in that in the same picture element, the first scan line and
Second scan line has opposite electric power polarity；
Wherein, first scan line is connect with the second switch, and second scan line and the third switching tube connect
It connects.
6. pixel driving circuit according to claim 1 or 2, which is characterized in that the picture element is designed using the farmland N, wherein
The N is the positive integer more than or equal to 1.
7. pixel driving circuit according to claim 1 or 2, which is characterized in that two adjacent in vertical direction pictures
In element, third switching tube in previous picture element in the latter picture element first switch tube and second switch connect same
Scan line.
8. pixel driving circuit according to claim 1 or 2, which is characterized in that in the same picture element, described first
Pixel electrode and second pixel electrode have different current potentials.
9. a kind of image element structure characterized by comprising
Pixel driving circuit as claimed in any one of claims 1 to 8；
Array substrate；
Wherein, the array substrate is provided with multiple picture elements in array distribution, the public electrode wire and the array substrate
It is oppositely arranged；
In the pixel driving circuit, the second conducting pole of the third switching tube by aperture in the array substrate and
The public electrode wire is electrically connected.
10. a kind of display panel, which is characterized in that including image element structure as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853852.5U CN208888524U (en) | 2018-11-09 | 2018-11-09 | Pixel driving circuit, image element structure and display panel |
| PCT/CN2018/120816 WO2020093518A1 (en) | 2018-11-09 | 2018-12-13 | Pixel driving circuit, pixel structure and display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853852.5U CN208888524U (en) | 2018-11-09 | 2018-11-09 | Pixel driving circuit, image element structure and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888524U true CN208888524U (en) | 2019-05-21 |
Family
ID=66518113
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821853852.5U Active CN208888524U (en) | 2018-11-09 | 2018-11-09 | Pixel driving circuit, image element structure and display panel |
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| Country | Link |
|---|---|
| CN (1) | CN208888524U (en) |
| WO (1) | WO2020093518A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444142A (en) * | 2019-07-26 | 2019-11-12 | 福建华佳彩有限公司 | A kind of picture element arrangement architecture and panel |
| CN115047682A (en) * | 2022-07-07 | 2022-09-13 | 惠科股份有限公司 | Pixel structure, display panel and electronic equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201174017Y (en) * | 2008-04-15 | 2008-12-31 | 上海广电光电子有限公司 | LCD unit matrix and LCD device comprising the matrix |
| CN101441380B (en) * | 2008-12-18 | 2010-06-23 | 上海广电光电子有限公司 | LCD device of multi-domain vertical orientation mode |
| TWI383231B (en) * | 2009-02-27 | 2013-01-21 | Hannstar Display Corp | Pixel structure and driving method thereof |
| CN103323990B (en) * | 2013-06-28 | 2016-02-03 | 深圳市华星光电技术有限公司 | A kind of display panels and liquid crystal indicator |
| CN104090406B (en) * | 2014-07-17 | 2016-02-03 | 深圳市华星光电技术有限公司 | Display panel and colored filter substrate thereof |
| CN104537989B (en) * | 2014-12-19 | 2017-06-13 | 南京中电熊猫液晶显示科技有限公司 | The charge share-type pixel structure and its driving method of a kind of bilateral scanning |
| CN106597714A (en) * | 2017-02-03 | 2017-04-26 | 深圳市华星光电技术有限公司 | Pixel driving circuit and liquid crystal display panel |
| CN107255894B (en) * | 2017-08-09 | 2020-05-05 | 深圳市华星光电技术有限公司 | Array substrate and liquid crystal display panel |
-
2018
- 2018-11-09 CN CN201821853852.5U patent/CN208888524U/en active Active
- 2018-12-13 WO PCT/CN2018/120816 patent/WO2020093518A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444142A (en) * | 2019-07-26 | 2019-11-12 | 福建华佳彩有限公司 | A kind of picture element arrangement architecture and panel |
| CN110444142B (en) * | 2019-07-26 | 2024-04-12 | 福建华佳彩有限公司 | Pixel arrangement structure and panel |
| CN115047682A (en) * | 2022-07-07 | 2022-09-13 | 惠科股份有限公司 | Pixel structure, display panel and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020093518A1 (en) | 2020-05-14 |
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