CN108417178A - Array substrate, its driving method, electroluminescence display panel and display device - Google Patents
Array substrate, its driving method, electroluminescence display panel and display device Download PDFInfo
- Publication number
- CN108417178A CN108417178A CN201810204516.6A CN201810204516A CN108417178A CN 108417178 A CN108417178 A CN 108417178A CN 201810204516 A CN201810204516 A CN 201810204516A CN 108417178 A CN108417178 A CN 108417178A
- Authority
- CN
- China
- Prior art keywords
- pixel
- voltage
- pole
- driving transistor
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of array substrate, its driving method, electroluminescence display panel and display devices provided in an embodiment of the present invention, including：Multiple luminescent devices, the pixel circuit coupled with each luminescent device and multiple voltage control circuits.By making at least two pixel circuits in same a line share a voltage control circuit, and make voltage control circuit the signal of high level power end is supplied under the control of input control signal end coupling each driving transistor the first pole, so as to the structure of each pixel circuit of simplification, the area occupied of pixel circuit is reduced, and then is conducive to electroluminescence display panel and realizes high-resolution.Also, it can also realize the function of the accuracy of the grid voltage for the driving transistor for improving write-in and the voltage of the second pole of write driver transistor.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of array substrate, its driving method, electroluminance display face
Plate and display device.
Background technology
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display is current FPD
One of the hot spot of device research field is compared, OLED display with liquid crystal display (Liquid Crystal Display, LCD)
Have many advantages, such as low low energy consumption, production cost, self-luminous, wide viewing angle and fast response time.Currently, in mobile phone, digital camera etc.
Display field, OLED display have begun to replace traditional LCD display.Wherein, the pixel electricity luminous for controlling OLED
Road design is the core technology content of OLED display, has important research significance.However, the picture of existing OLED display
The number for the switching transistor that plain circuit includes is more and circuit work schedule is more complex, causes technology difficulty larger, production
Cost increases, and pixel circuit is caused to occupy larger area, and high resolution ratio is realized to be unfavorable for OLED display.
Invention content
A kind of array substrate of offer of the embodiment of the present invention, its driving method, electroluminescence display panel and display device, are used
Larger area is occupied to solve pixel circuit in the prior art, asking for high resolution ratio is realized to be unfavorable for OLED display
Topic.
Therefore, an embodiment of the present invention provides a kind of array substrates, including：Multiple luminescent devices and with it is each it is described shine
The pixel circuit of device coupling；The array substrate further includes：Multiple voltage control circuits；With at least two pixels in a line
Circuit shares a voltage control circuit；First pole of driving transistor and shared voltage control electricity in each pixel circuit
Road couples, the second pole coupling corresponding with the luminescent device of each driving transistor；
The voltage control circuit is for providing the signal of high level power end under the control of input control signal end
To the first pole of each driving transistor of coupling.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, described in adjacent in a line at least two
Pixel circuit is coupled with the same voltage control circuit.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, the array substrate further includes：Multiple pixels
Unit, each pixel unit includes multiple sub-pixel units, and each sub-pixel unit includes a photophore
Part and a pixel circuit；
With the pixel circuit and the same voltage control in sub-pixel unit described in even number adjacent in a line
Circuit coupling processed, and the voltage control circuit is set in the pixel circuit of coupling and is located at two most intermediate pixel electricity
Between sub-pixel unit where road；Alternatively,
With the pixel circuit and the same voltage control in sub-pixel unit described in odd number adjacent in a line
Circuit coupling processed, and the voltage control circuit is set in the pixel circuit of coupling and is located at most intermediate pixel circuit institute
Sub-pixel unit in.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, the pixel of same voltage control circuit is shared
Circuit is located in same pixel unit.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, the voltage control in each pixel unit
The quantity of circuit is identical.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, the voltage control circuit includes：First opens
Close transistor；
The grid of the first switch transistor is coupled with the input control signal end, the first switch transistor
First pole and the high level power end couple, and the of the second pole of the first switch transistor and corresponding driving transistor
One pole couples.
Optionally, in above-mentioned array substrate provided in an embodiment of the present invention, the array substrate further includes：Multiple pixels
Unit and a plurality of detection line, each pixel unit includes multiple sub-pixel units, and each sub-pixel unit includes one
A luminescent device and a pixel circuit；
Correspond one detection line of coupling respectively with each pixel circuit in a line；Alternatively,
In the same row, at least two pixel circuits in the same pixel unit couple a detection line, different pictures
The detection line of pixel circuit coupling in plain unit is different.
Correspondingly, the embodiment of the present invention additionally provides a kind of electroluminescence display panel, including the embodiment of the present invention provides
Any of the above-described kind of array substrate.
Correspondingly, the embodiment of the present invention additionally provides a kind of display device, including above-mentioned electricity provided in an embodiment of the present invention
Photoluminescence display panel.
Correspondingly, the embodiment of the present invention additionally provides a kind of driving method of array substrate, including：Detect compensated stage and
The display stage；Wherein, the detection compensated stage includes：Detect input phase and compensated stage；The display stage includes：Number
According to write phase and glow phase；
In the detection input phase, second switch transistor is under the control at the first scanning signal end by data signal end
Data detection signal be supplied to the grid of driving transistor；Third switching transistor will under the control at the second scanning signal end
Detection line is connected with the second pole of driving transistor；Storage capacitance stores the grid voltage of the driving transistor；
In the compensated stage, third switching transistor is brilliant with driving by detection line under the control at the second scanning signal end
Second pole of body pipe is connected；Voltage control circuit provides the signal of high level power end under the control of input control signal end
To the first pole of each driving transistor of coupling, so that driving transistor is generated electric current and charge to detection line；Inspection after detection charging
Voltage on survey line, and the data-signal after being compensated according to the voltage detected；
In the data write phase, the second switch transistor is under the control at first scanning signal end by institute
State the grid that the data-signal after the compensation of data signal end is supplied to driving transistor；The third switching transistor is described
Reference signal in detection line is supplied to the second pole of driving transistor under the control at the second scanning signal end；Storage capacitance is deposited
Store up the grid voltage and the second pole tension of the driving transistor；
In the glow phase, the voltage control circuit is under the control of the input control signal end by the high electricity
The signal of ordinary telegram source is supplied to the first pole of each driving transistor of coupling, each driving transistor its grid voltage with
Operating current is generated under the control of second pole tension, is shone with the luminescent device of drive connection.
The present invention has the beneficial effect that：
Array substrate, its driving method, electroluminescence display panel and display device provided in an embodiment of the present invention, packet
It includes：Multiple luminescent devices, the pixel circuit coupled with each luminescent device and multiple voltage control circuits.By making in same a line
At least two pixel circuits share a voltage control circuit, and make voltage control circuit in the control of input control signal end
The lower signal by high level power end is supplied to the first pole of each driving transistor of coupling, so as to each pixel circuit of simplification
Structure, reduce the area occupied of pixel circuit, so be conducive to electroluminescence display panel realize high-resolution.Also, also
May be implemented improve write-in driving transistor grid voltage and write driver transistor the second pole voltage it is accurate
The function of property.
Description of the drawings
Fig. 1 is the structural schematic diagram of array substrate in the prior art；
Fig. 2 is the structural schematic diagram of array substrate provided in an embodiment of the present invention；
Fig. 3 is one of the concrete structure schematic diagram of array substrate provided in an embodiment of the present invention；
Fig. 4 is the two of the concrete structure schematic diagram of array substrate provided in an embodiment of the present invention；
Fig. 5 is the three of the concrete structure schematic diagram of array substrate provided in an embodiment of the present invention；
Fig. 6 is circuit timing diagram provided in an embodiment of the present invention；
Fig. 7 is the flow chart of driving method provided in an embodiment of the present invention.
Specific implementation mode
Due to manufacturing process and device aging etc., the threshold voltage V of the driving transistor in pixel circuit can be madethIt deposits
In inhomogeneities, while the carrier mobility μ of driving transistornAnd changed according to the variation of temperature, thus lead
It has caused in the case where inputting same grayscale, the display brightness homogeneity of display screen is variant, to influence the display effect of whole image.
It is currently, there are internal compensation and external compensation two ways, with the threshold voltage V of compensation for drive transistorthAnd carrier mobility
Rate μn.But since existing internal compensation is to the threshold voltage V of driving transistorthCompensation range it is smaller, and be directed to current-carrying
Transport factor μnCompensation effect it is poor.And external compensation can be to the threshold voltage V of driving transistorthAnd carrier mobility
μnIt can compensate well.
Currently, the structure of the array substrate using external compensation, as shown in Figure 1, generally comprising：By driving transistor T01,
The pixel circuit and detection line SL of switching transistor T02, detection transistor T03 and storage capacitance Cst compositions.The pixel circuit
It is opened by controlling switching transistor T02 with by the grid G of data signal end Data write driver transistors T01, control drives
Transistor T01 generates operating current to drive OLED to shine.Also, when the pixel in array substrate compensates, pass through
Data-signal is written to the grid of the driving transistor T01 of pixel circuit, is write to the source electrode of driving transistor T01 by detection line
Enter reference signal, is charged to detection line SL with controlling pixel circuit, then by detecting the voltage in detection line, and according to detecting
Voltage compensate calculating, with obtain the pixel circuit it is corresponding for display data voltage.However, due to believing in data
Number with reference signal be written above-mentioned pixel circuit when, driving transistor T01 will produce electric current, so as to cause the data-signal of write-in
It reduces with the accuracy of the voltage of reference signal, is reduced so as to cause the accuracy of compensation calculation.
It, can be by height in order to solve the problems, such as that the accuracy of the data-signal of write-in and the voltage of reference signal reduces
One switching transistor is set between power level end OVDD and the drain electrode of driving transistor, in write-in data-signal and reference
When signal, the drain electrode of high level power end OVDD and driving transistor is disconnected by the switching transistor newly increased, to keep away
Exempt from driving transistor and generate electric current at this moment, to improve the accuracy of the data-signal of write-in and the voltage of reference signal.By
In increasing a transistor in pixel circuit, then the area that pixel circuit occupies can be caused to increase, to be unfavorable for showing
Panel realizes high resolution ratio.
Based on this, an embodiment of the present invention provides a kind of array substrates, can simplify the structure of each pixel circuit, reduce picture
The area occupied of plain circuit is advantageously implemented high-resolution electroluminescence display panel.Also, it is provided in an embodiment of the present invention
Array substrate is compensated luminous by the way of external compensation.
In order to make the purpose of the present invention, technical solution and advantage are clearer, below in conjunction with the accompanying drawings, to the embodiment of the present invention
The array substrate of offer, its driving method, electroluminescence display panel and display device specific implementation mode carry out in detail
Explanation.It should be appreciated that preferred embodiment disclosed below is merely to illustrate and explain the present invention, it is not used to limit this hair
It is bright.And in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.It is each in attached drawing
The size and shape of figure does not reflect that the actual proportions of array substrate, purpose are schematically illustrate the content of present invention.
Array substrate provided in an embodiment of the present invention, as Fig. 2 (shares a voltage control in Fig. 2 with two pixel circuits
For circuit) shown in, including：The pixel circuit 10 of multiple luminescent device L and each luminescent device L couplings and multiple voltage controls
Circuit 20 processed；Wherein, a voltage control circuit 20 is shared at least two pixel circuits 10 in a line；Each pixel circuit 10
First pole of middle driving transistor is coupled with shared voltage control circuit 20, the second pole of each driving transistor 20 and photophore
Part L corresponds to coupling.Also, voltage control circuit 20 is used for high level power end under the control of input control signal end CS
The signal of OVDD is supplied to the first pole of each driving transistor of coupling.
Array substrate provided in an embodiment of the present invention, including：Multiple luminescent devices, the pixel electricity with the coupling of each luminescent device
Road and multiple voltage control circuits.By making at least two pixel circuits in same a line share a voltage control circuit,
And make voltage control circuit that the signal of high level power end to be supplied to each drive of coupling under the control of input control signal end
First pole of dynamic transistor reduces the area occupied of pixel circuit, and then advantageous so as to the structure of each pixel circuit of simplification
High-resolution is realized in electroluminescence display panel.Also, it can also realize the grid voltage for the driving transistor for improving write-in
And the function of the accuracy of the voltage of the second pole of write driver transistor.
In the specific implementation, it in above-mentioned array substrate provided in an embodiment of the present invention, is controlled with voltage is shared in a line
The quantity of the pixel circuit of circuit can be identical.For example, for there are 12 pixel circuits in 1 row, if 2 pictures in a line
Plain circuit shares a voltage control circuit, then has 6 voltage control circuits in a line.If 3 pixel circuits in a line
A voltage control circuit is shared, then there are 4 voltage control circuits in a line.If 4 pixel circuits in a line share one
A voltage control circuit then has 3 voltage control circuits in a line.If 6 pixel circuits share a voltage control in a line
Circuit processed then has 2 voltage control circuits in a line.Certainly, with the pixel circuit for sharing voltage control circuit in a line
Quantity can also be at least partly different.For example, for there are 12 pixel circuits in 1 row, if 5 pixel circuits in a line
A voltage control circuit is shared, then remaining 7 pixel circuit shares a voltage control circuit, has 2 in a line at this time
Voltage control circuit.If 3 pixel circuits in a line share a voltage control circuit, 4 pixel circuits share an electricity
Control circuit is pressed, then remaining 5 pixel circuit shares a voltage control circuit, has 3 voltage control electricity in a line at this time
Road.If 5 pixel circuits in a line share a voltage control circuit, 5 pixel circuits share a voltage control circuit,
Then remaining 2 pixel circuit shares a voltage control circuit, has 3 voltage control circuits in a line at this time.Certainly, voltage
The quantity of control circuit needs to design determination according to actual application environment, is not limited thereto.
In order to improve the aperture opening ratio of pixel unit, cabling is avoided to occupy excessive space, in the specific implementation, of the invention real
In the above-mentioned array substrate for applying example offer, at least two pixel circuits adjacent in same row can be made to be controlled with the same voltage
Circuit couples.For example, as shown in Fig. 2, two pixel circuits 10 adjacent in same row can be made to control electricity with the same voltage
Road 10 couples.Alternatively, three pixel circuits adjacent in same a line can also be made to be coupled with the same voltage control circuit.Or
Person can also be such that four pixel circuits adjacent in same a line are coupled with the same voltage control circuit.Alternatively, can also make same
All pixels circuit in a line shares a voltage control circuit coupling.Certainly, the quantity of adjacent pixel circuit needs root
Determination is designed according to actual application environment, is not limited thereto.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, as shown in Fig. 2, array substrate is also
May include：Multiple pixel units 30 in display area, each pixel unit 30 may include multiple sub-pixel units
31, each sub-pixel unit 31 may include a luminescent device L and a pixel circuit 10.Wherein, as shown in Fig. 2, pixel
Unit 30 may include three sub-pixel units 31.Specifically, these three sub-pixel units can be respectively red sub-pixel list
Member, green sub-pixels unit and blue subpixels unit.Certainly, pixel unit can also include four sub-pixel units.Tool
Body, this four sub-pixel unit can be respectively red sub-pixel unit, green sub-pixels unit, blue subpixels unit with
And white sub-pixels unit.Alternatively, this four sub-pixel units can also be respectively red sub-pixel unit, green sub-pixels list
Member, blue subpixels unit and green sub-pixels unit.Alternatively, this four sub-pixel units can also be respectively red sub- picture
Plain unit, green sub-pixels unit, blue subpixels unit and blue subpixels unit.Certainly, each sub- picture in pixel unit
The specific setting of plain unit needs to design determination according to actual application environment, is not limited thereto.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, can make adjacent in same row
Pixel circuit in even number sub-pixel unit is coupled with the same voltage control circuit, and voltage control circuit is set to coupling
Pixel circuit in be located at two most intermediate pixel circuits where sub-pixel unit between.Specifically, as shown in figure 3, together
Pixel circuit 10 in a line in 2 adjacent sub-pixel units 31 is coupled with the same voltage control circuit 20, and voltage control
Circuit 20 processed can be set between the sub-pixel unit 31 at 2 pixel circuits, 10 place of coupling.As shown in figure 5, same a line
In pixel circuit 10 in adjacent 4 sub-pixel units 31 coupled with the same voltage control circuit 20, with from left to right
Sequentially, voltage control circuit 20 is set between the 2nd sub-pixel unit 31 and the 3rd sub-pixel unit 31.Certainly, same to a line
In adjacent 6,8, the pixel circuit 10 in the sub-pixel units 31 such as 10 is with the same voltage control circuit 20 when coupling,
And so on, therefore not to repeat here.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, can also make adjacent in same a line
Odd number sub-pixel unit in pixel circuit and the same voltage control circuit couple, and voltage control circuit is set to coupling
In the pixel circuit connect in the sub-pixel unit where most intermediate pixel circuit.As shown in figure 4, adjacent in a line
Pixel circuit 10 in 3 sub-pixel units 31 is coupled with the same voltage control circuit 20, with sequence from left to right, voltage
Control circuit 20 is set in the 2nd sub-pixel unit 31.Alternatively, the pixel in 5 sub-pixel units adjacent in a line
Circuit is coupled with the same voltage control circuit, and with sequence from left to right, voltage control circuit is set to the 3rd sub-pixel list
In member.Certainly, 7 adjacent in a line, 9, the pixel circuit in the sub-pixel units such as 11 and the control of the same voltage
When circuit couples, and so on, therefore not to repeat here.
Further, in the specific implementation, in order to reduce the cabling quantity between different pixels unit, implement in the present invention
In the above-mentioned array substrate that example provides, the pixel circuit for sharing same voltage control circuit can be made to be located at same pixel unit
In.The cabling being connect with input control signal end and the cabling being connect with high level power end can be only set to be arranged in picture in this way
Between plain unit.
Further, in the specific implementation, the quantity of the voltage control circuit in each pixel unit can be made identical.In this way
Technique preparation can be simplified.
In the specific implementation, above-mentioned array substrate provided in an embodiment of the present invention is by the way of external compensation, to driving
The threshold voltage V of transistorthWith carrier mobility μnIt compensates.Therefore, in above-mentioned array provided in an embodiment of the present invention
In substrate, as shown in Figures 3 to 5, array substrate can also include：A plurality of detection line SL divides with each pixel circuit 10 in a line
A detection line SL Yi Yiduiying not coupled.Alternatively, in the same row, at least two pixel circuit couplings in same pixel unit
A detection line is connect, the detection line of the pixel circuit coupling in different pixels unit is different.For example, the institute in same pixel unit
There is pixel circuit to couple a detection line, all pixels circuit in one other pixel unit couples another detection line, successively
Analogize, therefore not to repeat here.Wherein, detection line is used for transmission of reference signals, the compensation in compensated stage in the display stage
Input phase transmission of reference signals charges in compensated stage.Specifically, array substrate is generally being applied to electroluminescent
After in display panel, microprocessor can be also set, to detection line input reference signal, and to pass through micro- place by microprocessor
Device is managed by detection line suspension joint, i.e., is disconnected with reference signal, the electric current to be generated by driving transistor in compensated stage is to inspection
Survey line charges.Also, microprocessor can also detect the detection voltage in the detection line after charging, and according to detecting
Detect the data-signal after voltage is compensated.Wherein, the concrete structure of microprocessor and function can in the related technology
Essentially identical, it should be understood by one skilled in the art that having, therefore not to repeat here.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, luminescent device can be organic hair
Optical diode；Alternatively, luminescent device may be light emitting diode with quantum dots.Certainly, luminescent device may be that can realize
Itself luminous other kinds of electroluminescent diode, is not limited thereto.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, as shown in Figures 3 to 5, voltage control
Circuit 10 processed can specifically include：First switch transistor M1；Wherein,
The grid of first switch transistor M1 is coupled with input control signal end CS, the first pole of first switch transistor M1
It is coupled with high level power end OVDD, the first pole D of the second pole of first switch transistor M1 and corresponding driving transistor M0
Coupling.
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, as shown in Figures 3 to 5, pixel electricity
The first pole D of driving transistor M0 in road 10 is coupled with voltage control circuit 10.Also, driving transistor M0 can be N
Transistor npn npn.The drain electrode of the N-type transistor is the first pole D of driving transistor M0, and the source electrode of the N-type transistor is driving crystal
The second pole S of pipe M0.Operating current luminous driving luminescent device L flows to its source electrode by the drain D of driving transistor M0 at this time
S。
In the specific implementation, in above-mentioned array substrate provided in an embodiment of the present invention, as shown in Figures 3 to 5, pixel electricity
In road 10 other than it may include driving transistor M0, can also include：Second switch transistor M2, third switching transistor
M3 and storage capacitance Cst；Wherein,
The grid of second switch transistor M2 and the first scanning signal end G1 are coupled, the first pole of second switch transistor M2
It is coupled with data signal end Data, the second pole of second switch transistor M2 is coupled with the grid G of driving transistor M0；
The grid of third switching transistor M3 and the second scanning signal end G2 are coupled, the first pole of third switching transistor M3
Coupled respectively with the second pole S of driving transistor M0 and luminescent device L, the second pole of third switching transistor M3 with it is corresponding
Detection line SL lotus roots connect；
Storage capacitance Cst is coupled between the grid G of driving transistor M0 and the second pole S.
In practical applications, above-mentioned each switching transistor is that N-type transistor or P-type transistor are needed according to practical application ring
Determination is designed in border, is not limited thereto.
Further, in order to simplify preparation process, in the specific implementation, in above-mentioned array base provided in an embodiment of the present invention
In plate, as shown in Figures 3 to 5, driving transistor M0 is P-type transistor, and the switching transistor that remaining can be made all is N-type
Transistor.
It should be noted that in above-mentioned array substrate provided in an embodiment of the present invention, driving transistor and switch crystal
Pipe can be thin film transistor (TFT) (TFT, Thin Film Transistor), can also be metal oxide semiconductor field effect tube
(MOS, Metal Oxide Scmiconductor), is not limited thereto.It in the specific implementation, can be according to switching transistor
The difference of the signal of type and signal end, using the first pole of above-mentioned switching transistor as source electrode, using the second pole as drain electrode；
Or vice versa, using the first pole as drain electrode, using the second pole as source electrode, it is not limited thereto.
It the above is only a kind of concrete structure of the pixel circuit in the array substrate that embodiment offer is provided,
In the specific implementation, the concrete structure of above-mentioned pixel circuit is not limited to above structure provided in an embodiment of the present invention, this field skill
Other structures known to art personnel are specifically not limited thereto also within the protection domain of the application.
Below by taking the structure of array substrate shown in fig. 5 as an example, the present invention is implemented in conjunction with circuit timing diagram shown in fig. 6
The course of work for the above-mentioned dot structure that example provides is described.High potential is indicated with 1,0 indicates low potential, needs in described below
It is noted that 1 and 0 is logic level, merely to preferably explain the specific work process of the embodiment of the present invention, without
It is the current potential being applied in the specific implementation on the grid of each switching transistor.
Specifically, it is illustrated by taking the pixel circuit 10 of the leftmost side in Fig. 5 as an example.As shown in fig. 6, g1 represents the first scanning
The signal of signal end G1, g2 represent the signal of the second scanning signal end G2, and cs represents the signal of input control signal end CS, data
The signal of data signal end Data is represented, sl represents the signal of the detection line SL of the connection of pixel circuit 10 of the leftmost side in Fig. 5.Its
In, it chooses the detection compensated stage T1 in circuit timing diagram shown in fig. 6 and display stage T2 is illustrated.Wherein, rank is compensated
Section T1 may include：Detect input phase T11 and compensated stage T12.The display stage, T2 may include：Data write phase T21
With glow phase T22.
In detection input phase T11, detection line SL transmission of reference signals, due to g1=1, second switch transistor M2
It is connected, and the data detection signal of data signal end Data is supplied to the grid G of driving transistor M0, make driving transistor M0
Grid voltage be data detection signal voltage Vdata1.Due to g2=1, third switching transistor M2 conductings, so as to drive
The second pole S of dynamic transistor M0 is connected with detection line SL, and it is the electricity of reference signal to make the voltage of the second pole S of driving transistor M0
Press Vref.The grid voltage V of storage capacitance Cst storage driving transistors M0data1With the voltage V of the second pole Sref.Wherein, due to cs
=0, therefore first switch transistor M1 cut-off so that driving transistor M0 not will produce electric current in this stage, so as to so that
The voltage V of its grid write-indata1The voltage that can be exported with source drive IC (Integrated Circuit, integrated circuit) is protected
It holds consistent (such as 99.5% or more can be reached).And it can also avoid dividing due to third switching transistor M3, it is caused
The voltage of the second pole S of driving transistor M0 and the voltage different problems on detection line SL, to make driving transistor M0's
The voltage of second pole S is consistent with the voltage on detection line SL, and then improves the grid voltage of the driving transistor M0 of write-in
And the accuracy of the voltage of the second pole S of write driver transistor.
In compensated stage T12, control detection line SL is disconnected with the circuit for providing reference signal, so that detection line SL suspension joints.
Due to g1=0, the M2 cut-offs of second switch transistor.Due to g2=0, the cut-off of third switching transistor.Storage capacitance
Cst keeps the grid voltage V of driving transistor M0data1With the voltage V of the second pole SrefBetween voltage difference.Due to cs=1, because
This first switch transistor M1 is connected, and the signal of high level power end OVDD is supplied to the first pole D of driving transistor M0.
Driving transistor M0 generates electric current I under the control of its grid voltage and the second pole tension1, I1=K (VGS-Vth)2=K (Vdata1-
Vref-Vth)2, wherein VGSFor the voltage difference between the grid G of driving transistor M0 and its source electrode i.e. the second pole S, K joins for structure
Number.Pass through electric current I1It charges to detection line SL, the voltage on detection line SL after charging complete is VSL.After detecting charging
Voltage V on detection line SLSL, and according to the voltage V detectedSLIt compensates.Wherein it is possible to pass through voltage VSLIt is compensated
Data-signal afterwards.
Later, in the display stage, the data-signal after compensation is inputted into pixel circuit, is caused with compensating the current difference opposite sex
Non-uniform light.Also, control detection line SL transmission of reference signals.
Specifically, in data write phase T21, due to g1=1, the M2 conductings of second switch transistor, and by data
Data-signal after the compensation of signal end Data is supplied to the grid G of driving transistor M0, makes the grid electricity of driving transistor M0
Pressure is the voltage V of the data-signal after compensationdata2.Due to g2=1, third switching transistor M2 conductings, so that driving is brilliant
The second pole S of body pipe M0 is connected with detection line SL, and it is V to make the voltage of the second pole S of driving transistor M0ref.Storage capacitance Cst
The grid voltage V of storage driving transistor M0data2With the voltage V of the second pole Sref.Wherein, due to cs=0, first switch
Transistor M1 cut-offs so that driving transistor M0 not will produce electric current in this stage, so as to so that the voltage that its grid is written
Vdata2It is consistent (such as 99.5% or more can be reached) with the voltage of source drive IC outputs.And can also avoid due to
Third switching transistor M3 partial pressures, the voltage of the second pole S of caused driving transistor M0 are different from the voltage on detection line SL
The problem of, to make the voltage of the second pole S of driving transistor M0 be consistent with the voltage on detection line SL.And then it improves and writes
The accuracy of the voltage of the grid voltage of the driving transistor M0 entered and the second pole S of write driver transistor.
In glow phase T22, due to g1=0, the M2 cut-offs of second switch transistor.Due to g2=0, third is opened
Close transistor M3 cut-offs.Due to cs=1, the M1 conductings of first switch transistor, and by the signal of high level power end OVDD
It is supplied to the first pole D of driving transistor M0.Driving transistor M0 is generated in its grid voltage under the control of the second pole tension
Operating current I2, I2=K (VGS-Vth)2=K (Vdata 2-Vref-Vth)2, pass through operating current I2Luminescent device L is driven to shine.By
In Vdata2Be compensation after voltage data signal, and be written Vdata2With VrefAccuracy it is preferable, therefore drive photophore
The operating current high stability of part L.
Similarly, the course of work of rest of pixels circuit 10 shown in fig. 5 can refer to the above-mentioned course of work, not go to live in the household of one's in-laws on getting married herein
It states.
Above-mentioned array substrate provided in an embodiment of the present invention, by making four pixel circuits in same a line share one the
The grid voltage for improving the driving transistor of write-in and the second pole of write driver transistor may be implemented in one switching transistor
Voltage accuracy function, and the structure of each pixel circuit can be simplified, reduce the area occupied of pixel circuit, in turn
Be conducive to electroluminescence display panel and realize high-resolution.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of any of the above-described kind provided in an embodiment of the present invention
The driving method of pixel circuit may include：Detect compensated stage and display stage；Wherein, detection compensated stage may include：
Detect input phase and compensated stage.The display stage may include：Data write phase and glow phase.
Specifically, as shown in fig. 7, driving method provided in an embodiment of the present invention may include steps of：
S701, input phase is being detected, second switch transistor is under the control at the first scanning signal end by data-signal
The data detection signal at end is supplied to the grid of driving transistor；Third switching transistor is under the control at the second scanning signal end
Detection line is connected with the second pole of driving transistor；The grid voltage of storage capacitance storage driving transistor.Detection line at this time
Upper transmission of reference signals.
S702, in compensated stage, third switching transistor under the control at the second scanning signal end by detection line with driving
Second pole of transistor is connected；Voltage control circuit carries the signal of high level power end under the control of input control signal end
The first pole for supplying each driving transistor of coupling makes driving transistor generate electric current and charges to detection line；After detection charging
Voltage in detection line, and being compensated according to the voltage detected, with the data-signal after being compensated.Detection line is floating at this time
It connects, i.e., is disconnected with the circuit for generating reference signal.
S703, in data write phase, second switch transistor is under the control at the first scanning signal end by data-signal
Data-signal after the compensation at end is supplied to the grid of driving transistor；Control of the third switching transistor at the second scanning signal end
Reference signal in detection line is supplied to the second pole of driving transistor under system；The grid of storage capacitance storage driving transistor
Voltage and the second pole tension.At this point, detection line transmission of reference signals.
S704, in glow phase, voltage control circuit is under the control of input control signal end by high level power end
Signal is supplied to the first pole of each driving transistor of coupling, control of each driving transistor in its grid voltage and the second pole tension
System is lower to generate operating current, is shone with the luminescent device of drive connection.
Driving method provided in an embodiment of the present invention can improve grid voltage and the write-in of the driving transistor of write-in
The accuracy of the voltage of second pole of driving transistor, and be conducive to electroluminescence display panel and realize high-resolution.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of electroluminescence display panel, including the present invention
Any of the above-described kind of array substrate that embodiment provides.The principle that the electroluminescence display panel solves the problems, such as and aforementioned array substrate
It is similar, therefore the implementation of the electroluminescence display panel may refer to the implementation of aforementioned array substrate, repeat place herein no longer
It repeats.
In the specific implementation, in electroluminescence display panel provided in an embodiment of the present invention, can also include：Microprocessor
Device, for detection line input reference signal, by detection line suspension joint, and detecting the detection voltage in the detection line after charging,
And the data-signal after being compensated according to the detection voltage detected.
Source drive IC, for the data-signal after exporting data detection signal and compensating.Certainly, data-signal not
Before compensating, also data-signal may be inputted in pixel circuit, therefore source drive IC is additionally operable to not compensate
Initial data signal inputs in pixel circuit.
Gate driving circuit, for inputting corresponding scanning signal to the first scanning signal end, the second scanning signal end.
Input control circuit, for inputting corresponding scanning signal to input control signal end.Certainly, input control circuit
It can be shared with gate driving circuit.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention carries
The above-mentioned electroluminescence display panel supplied.The display device can be：Mobile phone, tablet computer, television set, display, notebook
Any product or component with display function such as computer, Digital Frame, navigator.Other for the display device must can not
Few component part is it will be apparent to an ordinarily skilled person in the art that having, and this will not be repeated here, also be should not be used as pair
The limitation of the present invention.The implementation of the display device may refer to the embodiment of above-mentioned array substrate, and overlaps will not be repeated.
Array substrate, its driving method, electroluminescence display panel and display device provided in an embodiment of the present invention, packet
It includes：Multiple luminescent devices, the pixel circuit coupled with each luminescent device and multiple voltage control circuits.By making in same a line
At least two pixel circuits share a voltage control circuit, and make voltage control circuit in the control of input control signal end
The lower signal by high level power end is supplied to the first pole of each driving transistor of coupling, so as to each pixel circuit of simplification
Structure, reduce the area occupied of pixel circuit, so be conducive to electroluminescence display panel realize high-resolution.Also, also
May be implemented improve write-in driving transistor grid voltage and write driver transistor the second pole voltage it is accurate
The function of property.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of array substrate, including：Multiple luminescent devices and the pixel circuit coupled with each luminescent device；Its feature
It is, the array substrate further includes：Multiple voltage control circuits；An electricity is shared at least two pixel circuits in a line
Press control circuit；The first pole of driving transistor is coupled with shared voltage control circuit in each pixel circuit, each described
The second pole coupling corresponding with the luminescent device of driving transistor；
The voltage control circuit by the signal of high level power end under the control of input control signal end for being supplied to coupling
First pole of each driving transistor connect.
2. array substrate as described in claim 1, which is characterized in that at least two pixel circuits adjacent in a line
It is coupled with the same voltage control circuit.
3. array substrate as claimed in claim 2, which is characterized in that the array substrate further includes：Multiple pixel units, often
A pixel unit includes multiple sub-pixel units, and each sub-pixel unit includes a luminescent device and one
The pixel circuit；
With the pixel circuit in sub-pixel unit described in even number adjacent in a line electricity is controlled with the same voltage
Road couples, and the voltage control circuit is set in the pixel circuit of coupling and is located at two most intermediate pixel circuit institutes
Sub-pixel unit between；Alternatively,
With the pixel circuit in sub-pixel unit described in odd number adjacent in a line electricity is controlled with the same voltage
Road couples, and the voltage control circuit is set in the pixel circuit of coupling and is located at where most intermediate pixel circuit
In sub-pixel unit.
4. array substrate as claimed in claim 3, which is characterized in that the pixel circuit for sharing same voltage control circuit is located at
In same pixel unit.
5. array substrate as claimed in claim 4, which is characterized in that the number of the voltage control circuit in each pixel unit
It measures identical.
6. array substrate as described in claim 1, which is characterized in that the voltage control circuit includes：First switch crystal
Pipe；
The grid of the first switch transistor is coupled with the input control signal end, and the first of the first switch transistor
Pole is coupled with the high level power end, the second pole of the first switch transistor and the first pole of corresponding driving transistor
Coupling.
7. array substrate as claimed in any one of claims 1 to 6, which is characterized in that the array substrate further includes：Multiple pictures
Plain unit and a plurality of detection line, each pixel unit includes multiple sub-pixel units, and each sub-pixel unit includes
One luminescent device and a pixel circuit；
Correspond one detection line of coupling respectively with each pixel circuit in a line；Alternatively,
In the same row, at least two pixel circuits in the same pixel unit couple a detection line, different pixels list
The detection line of pixel circuit coupling in member is different.
8. a kind of electroluminescence display panel, which is characterized in that include the array substrate as described in claim 1-7.
9. a kind of display device, which is characterized in that including electroluminescence display panel as claimed in claim 8.
10. a kind of driving method of array substrate, which is characterized in that including：Detect compensated stage and display stage；Wherein, institute
Stating detection compensated stage includes：Detect input phase and compensated stage；The display stage includes：Data write phase with shine
Stage；
In the detection input phase, second switch transistor is under the control at the first scanning signal end by the inspection of data signal end
Measured data signal is supplied to the grid of driving transistor；Third switching transistor will detection under the control at the second scanning signal end
Line is connected with the second pole of driving transistor；Storage capacitance stores the grid voltage of the driving transistor；
In the compensated stage, third switching transistor is under the control at the second scanning signal end by detection line and driving transistor
The second pole conducting；The signal of high level power end is supplied to coupling by voltage control circuit under the control of input control signal end
First pole of each driving transistor connect makes driving transistor generate electric current and charges to detection line；Detection line after detection charging
On voltage, and the data-signal after being compensated according to the voltage detected；
In the data write phase, the second switch transistor is under the control at first scanning signal end by the number
The grid of driving transistor is supplied to according to the data-signal after the compensation of signal end；The third switching transistor is described second
Reference signal in detection line is supplied to the second pole of driving transistor under the control at scanning signal end；Storage capacitance stores institute
State the grid voltage and the second pole tension of driving transistor；
In the glow phase, the voltage control circuit is under the control of the input control signal end by high level electricity
The signal of source is supplied to the first pole of each driving transistor of coupling, and each driving transistor is in its grid voltage and second
Operating current is generated under the control of pole tension, is shone with the luminescent device of drive connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204516.6A CN108417178A (en) | 2018-03-13 | 2018-03-13 | Array substrate, its driving method, electroluminescence display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204516.6A CN108417178A (en) | 2018-03-13 | 2018-03-13 | Array substrate, its driving method, electroluminescence display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108417178A true CN108417178A (en) | 2018-08-17 |
Family
ID=63131145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204516.6A Pending CN108417178A (en) | 2018-03-13 | 2018-03-13 | Array substrate, its driving method, electroluminescence display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108417178A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036279A (en) * | 2018-10-18 | 2018-12-18 | 京东方科技集团股份有限公司 | Array substrate, driving method, organic light emitting display panel and display device |
| CN109742134A (en) * | 2019-03-15 | 2019-05-10 | 合肥京东方卓印科技有限公司 | Organic LED display device and its driving method |
| CN112233620A (en) * | 2020-10-21 | 2021-01-15 | 京东方科技集团股份有限公司 | Display substrate, driving method thereof and display device |
| CN113611248A (en) * | 2021-08-11 | 2021-11-05 | 合肥京东方卓印科技有限公司 | Display panel, driving method of switch circuit of display panel and display device |
| CN116013202A (en) * | 2023-01-30 | 2023-04-25 | 惠科股份有限公司 | Pixel driving circuit, display panel and electronic equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243839A (en) * | 2010-05-11 | 2011-11-16 | 三星移动显示器株式会社 | Organic light emitting display and driving method thereof |
| CN104732920A (en) * | 2013-12-24 | 2015-06-24 | 乐金显示有限公司 | Organic light emitting display device |
| CN104809986A (en) * | 2015-05-15 | 2015-07-29 | 京东方科技集团股份有限公司 | Organic electroluminesence display panel and display device |
| CN105489159A (en) * | 2014-10-01 | 2016-04-13 | 乐金显示有限公司 | Organic light emitting display device |
| US20160165700A1 (en) * | 2014-12-08 | 2016-06-09 | Samsung Display Co., Ltd. | Display apparatus, display method, and program |
| CN106297668A (en) * | 2016-11-02 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of OLED driver circuit, array base palte and display device |
| CN106991969A (en) * | 2017-06-09 | 2017-07-28 | 京东方科技集团股份有限公司 | Display panel, the compensation circuit of pixel and compensation method |
| CN107068052A (en) * | 2015-12-31 | 2017-08-18 | 乐金显示有限公司 | Organic LED display device and its driving method |
| CN107103878A (en) * | 2017-05-26 | 2017-08-29 | 上海天马有机发光显示技术有限公司 | Array base palte, its driving method, organic electroluminescence display panel and display device |
| CN107390934A (en) * | 2017-07-28 | 2017-11-24 | 武汉天马微电子有限公司 | Display panel and display device |
-
2018
- 2018-03-13 CN CN201810204516.6A patent/CN108417178A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243839A (en) * | 2010-05-11 | 2011-11-16 | 三星移动显示器株式会社 | Organic light emitting display and driving method thereof |
| CN104732920A (en) * | 2013-12-24 | 2015-06-24 | 乐金显示有限公司 | Organic light emitting display device |
| CN105489159A (en) * | 2014-10-01 | 2016-04-13 | 乐金显示有限公司 | Organic light emitting display device |
| US20160165700A1 (en) * | 2014-12-08 | 2016-06-09 | Samsung Display Co., Ltd. | Display apparatus, display method, and program |
| CN104809986A (en) * | 2015-05-15 | 2015-07-29 | 京东方科技集团股份有限公司 | Organic electroluminesence display panel and display device |
| CN107068052A (en) * | 2015-12-31 | 2017-08-18 | 乐金显示有限公司 | Organic LED display device and its driving method |
| CN106297668A (en) * | 2016-11-02 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of OLED driver circuit, array base palte and display device |
| CN107103878A (en) * | 2017-05-26 | 2017-08-29 | 上海天马有机发光显示技术有限公司 | Array base palte, its driving method, organic electroluminescence display panel and display device |
| CN106991969A (en) * | 2017-06-09 | 2017-07-28 | 京东方科技集团股份有限公司 | Display panel, the compensation circuit of pixel and compensation method |
| CN107390934A (en) * | 2017-07-28 | 2017-11-24 | 武汉天马微电子有限公司 | Display panel and display device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036279A (en) * | 2018-10-18 | 2018-12-18 | 京东方科技集团股份有限公司 | Array substrate, driving method, organic light emitting display panel and display device |
| CN109036279B (en) * | 2018-10-18 | 2020-04-17 | 京东方科技集团股份有限公司 | Array substrate, driving method, organic light emitting display panel and display device |
| US11462592B2 (en) | 2018-10-18 | 2022-10-04 | Beijing Boe Technology Development Co., Ltd. | Array substrate with pixel circuits sharing voltage control circuit, driving method, organic light emitting display panel and display device |
| CN109742134A (en) * | 2019-03-15 | 2019-05-10 | 合肥京东方卓印科技有限公司 | Organic LED display device and its driving method |
| WO2020186668A1 (en) * | 2019-03-15 | 2020-09-24 | Boe Technology Group Co., Ltd. | Organic light emitting diode display device and control method thereof |
| US11151945B2 (en) | 2019-03-15 | 2021-10-19 | Hefei Boe Joint Technology Co., Ltd. | Organic light emitting diode display device and control method thereof |
| CN112233620A (en) * | 2020-10-21 | 2021-01-15 | 京东方科技集团股份有限公司 | Display substrate, driving method thereof and display device |
| WO2022083302A1 (en) * | 2020-10-21 | 2022-04-28 | 京东方科技集团股份有限公司 | Display substrate, driving method therefor, and display device |
| US11749194B2 (en) | 2020-10-21 | 2023-09-05 | Boe Technology Group Co., Ltd. | Display substrate, driving method therefor, and display device |
| CN113611248A (en) * | 2021-08-11 | 2021-11-05 | 合肥京东方卓印科技有限公司 | Display panel, driving method of switch circuit of display panel and display device |
| CN113611248B (en) * | 2021-08-11 | 2023-08-11 | 合肥京东方卓印科技有限公司 | Display panel, driving method of switch circuit of display panel and display device |
| CN116013202A (en) * | 2023-01-30 | 2023-04-25 | 惠科股份有限公司 | Pixel driving circuit, display panel and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11837162B2 (en) | Pixel circuit and driving method thereof, display panel | |
| CN107170408B (en) | Pixel circuit, driving method, organic electroluminescent display panel and display device | |
| CN105609050B (en) | pixel compensation circuit and AMOLED display device | |
| US20240119897A1 (en) | Pixel Circuit and Driving Method Therefor and Display Panel | |
| CN104318897B (en) | A kind of image element circuit, organic EL display panel and display device | |
| CN108417178A (en) | Array substrate, its driving method, electroluminescence display panel and display device | |
| CN106782301B (en) | A kind of driving method of array substrate, display panel and display panel | |
| CN104318898B (en) | Image element circuit, driving method and display device | |
| WO2016026218A1 (en) | Pixel circuit, organic electroluminescent display panel and display apparatus | |
| CN105137656B (en) | A kind of backlight module, its driving method and display device | |
| WO2019052394A1 (en) | Pixel circuit and driving method therefor, and display apparatus | |
| CN108399895A (en) | Display panel and its driving method, display device | |
| CN109599062A (en) | Pixel circuit and its driving method, display device | |
| CN110021273B (en) | Pixel circuit, driving method thereof and display panel | |
| CN108597450A (en) | Pixel circuit and its driving method, display panel | |
| CN110010072A (en) | Pixel circuit and its driving method, display device | |
| CN105405395B (en) | A kind of dot structure, its driving method and related display apparatus | |
| CN107945743A (en) | A kind of image element circuit, its driving method and display device | |
| CN107967896A (en) | Pixel compensation circuit | |
| CN106920510B (en) | Organic light emitting display and its driving method | |
| CN104078004B (en) | Image element circuit and display device | |
| CN108133947A (en) | Display panel, display equipment and compensation method | |
| CN107068057A (en) | A kind of pixel-driving circuit, its driving method and display panel | |
| CN107146577B (en) | A kind of pixel circuit, its driving method, display panel and display device | |
| CN109523954A (en) | Pixel unit, display panel, driving method and compensating control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |
|
| RJ01 | Rejection of invention patent application after publication |