CN206301580U - A kind of image element circuit, display device - Google Patents
A kind of image element circuit, display device Download PDFInfo
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- CN206301580U CN206301580U CN201621465951.7U CN201621465951U CN206301580U CN 206301580 U CN206301580 U CN 206301580U CN 201621465951 U CN201621465951 U CN 201621465951U CN 206301580 U CN206301580 U CN 206301580U
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Abstract
The utility model provides a kind of image element circuit, display device, belongs to display technology field, and it can solve the problems, such as that existing OLED pixel anode and cathode is short-circuited can influence the pixel on periphery to cause influence display quality.Fault control unit is connected between luminescent device and luminous controling unit in image element circuit of the present utility model, the input end signal for obtaining luminescent device, and according to the input end signal output short-circuit control signal of luminescent device；Luminous controling unit is connected with fault control unit, and is arranged in series between driver element and luminescent device, for according to fault control signal, the conducting and disconnection that connect branch road of control driver element and luminescent device.Compared to laser ablation methods, image element circuit of the present utility model is simple and easy to control, without being further added by laser ablation apparatus.
Description
Technical field
The utility model belongs to display technology field, and in particular to a kind of image element circuit, display device.
Background technology
Active matrix organic light-emitting diode (AMOLED) panel (Active Matrix Organic Light Emitting
Diode, referred to as：AMOLED application) is more and more extensive.The pixel display device of AMOLED is Organic Light Emitting Diode
(Organic Light-Emitting Diode, abbreviation OLED), AMOLED can light to be existed by driving thin film transistor (TFT)
Driving current is produced under saturation state, the driving current drives OLED to light.
Utility model people has found that at least there are the following problems in the prior art：In OLED pixel circuit, due to anode and cathode
Between each film layer it is relatively thin, easily occur anode and cathode short circuit.And complex process in manufacturing process, once film layer has foreign matter or digging
The techniques such as hole, climbing are not controlled, and causing to light herein, film layer is relatively thin, and resistance is smaller between causing OLED anode and cathodes, are caused
Make to be short-circuited.If a pixel anode and cathode is short-circuited, this pixel will not light, and occur stain herein.Meanwhile, have
One high current flows through the pixel, influences the pixel light emission on periphery.Therefore, anode and cathode short circuit can have a strong impact on display quality.For
Ensure display quality, it is necessary to this bad pixel is removed, to suppress the high current that anode and cathode short circuit is produced.Traditional approach is used will
Bad point pixel finds, and is then destroyed this pixel using laser ablation, and process is complicated.
Utility model content
The utility model is short-circuited for existing OLED pixel anode and cathode can influence the pixel on periphery to cause influence aobvious
Show the problem of quality, there is provided a kind of image element circuit, display device.
Solving the technical scheme that is used of the utility model technical problem is：
A kind of image element circuit, including luminescent device and the driver element for driving luminescent device luminous, also including short circuit
Control unit and luminous controling unit；Wherein fault control unit is connected between luminescent device and luminous controling unit, is used
In the input end signal for obtaining luminescent device, and according to the input end signal output short-circuit control signal of luminescent device；Luminous control
Unit processed is connected with fault control unit, and is arranged in series between driver element and luminescent device, for according to fault control
The conducting and disconnection of the connection branch road of signal, control driver element and luminescent device.
Preferably, the input connection output end of luminous controling unit of the luminescent device, fault control unit
Input, the output end connection second source end of the luminescent device；
The input of the driver element connects the first power end, the output end connection light emitting control list of the driver element
The input of unit；
The output end of the fault control unit connects the control end of luminous controling unit.
Preferably, the fault control unit includes the short-circuit protection portion and preliminary filling portion that are connected in series；
In luminescent device working stage, when the input end signal of the luminescent device is less than threshold value, the short-circuit protection
Portion controls the luminous controling unit to disconnect；
In luminescent device non-operational phase, the preliminary filling portion controls the luminous controling unit conducting.
Preferably, the short-circuit protection portion includes the 4th transistor and the 5th transistor；The control of the 4th transistor
Pole processed connects the first control line, and the first pole of the 4th transistor connects second pole and preliminary filling portion of the 5th transistor, described
Second pole of the 4th transistor connects the second control line, and the control pole of the 5th transistor connects luminous controling unit and lights
Device, the first pole of the 5th transistor connects the 3rd control line.
Preferably, the preliminary filling portion includes the 6th transistor, the 7th transistor, the 8th transistor, the second electric capacity；
The first end connection luminous controling unit of second electric capacity, the first pole of the 6th transistor, second electric capacity
The second end connect the 8th transistor the second pole, the first pole of the 7th transistor；
The control pole of the 8th transistor connects the 8th control line, and the first pole connection short circuit of the 8th transistor is protected
Shield portion；
The control pole of the 7th transistor connects the 5th control line, and the second pole connection the 7th of the 7th transistor is controlled
Line；
The control pole of the 6th transistor connects the 4th control line, and the second pole connection the 6th of the 6th transistor is controlled
Line.
Preferably, the breadth length ratio of the transistor of the 4th transistor AND gate the 5th is identical, and threshold voltage is identical.
Preferably, the luminous controling unit includes third transistor, and the control pole connection of the third transistor is short
Road control unit；The first pole connection driver element of the third transistor, the second pole connection of the third transistor is luminous
Device.
Preferably, the driver element includes the first transistor, transistor seconds, the first electric capacity；
The control pole connection grid line of the first transistor, the first pole connection data wire of the first transistor is described
Second pole of the first transistor connects the first end of the first electric capacity and the control pole of transistor seconds；
First pole of the transistor seconds connects the second end of the first power end and the first electric capacity, the transistor seconds
The second pole connection luminous controling unit.
The utility model also provides a kind of display device, including above-mentioned image element circuit.
The utility model also provides a kind of image element driving method, using above-mentioned image element circuit, the image element driving method
Including：
In luminescent device working stage, driver element drives luminescent device to light；
Fault control unit obtains the input end signal of luminescent device, and exports short according to the input end signal of luminescent device
Road control signal, luminous controling unit according to fault control signal, lead by the connection branch road of control driver element and luminescent device
On and off is opened.
Preferably, fault control unit includes the short-circuit protection portion and preliminary filling portion that are connected in series, the pixel driver side
Method also includes：
In luminescent device non-operational phase, preliminary filling portion control luminous controling unit conducting.
Image element circuit of the present utility model includes luminescent device, driver element, fault control unit, and light emitting control
Unit, wherein, fault control unit is connected between luminescent device and luminous controling unit, the input for obtaining luminescent device
End signal, and according to the input end signal output short-circuit control signal of luminescent device；Luminous controling unit and fault control unit
Connection, and be arranged in series between driver element and luminescent device, for according to fault control signal, controlling driver element and hair
The conducting and disconnection of the connection branch road of optical device.Compared to laser ablation methods, image element circuit of the present utility model is simple and easy to control, nothing
Laser ablation apparatus need to be further added by.
Brief description of the drawings
Fig. 1 is the structural representation of the image element circuit of embodiment of the present utility model 1；
Fig. 2, Fig. 3 are the structural representation of the image element circuit of embodiment of the present utility model 2；
Fig. 4 is the timing diagram of the image element circuit of embodiment of the present utility model 2；
Wherein, reference is：1st, luminescent device；2nd, driver element；3rd, fault control unit；31st, short-circuit protection portion；
32nd, preliminary filling portion；4th, luminous controling unit；C1, the first electric capacity；C2, the second electric capacity；P1, first node；Q1, the first transistor；
Q2, transistor seconds；Q3, third transistor；Q4, the 4th transistor；Q5, the 5th transistor；Q6, the 6th transistor；Q7, the 7th
Transistor；Q8, the 8th transistor；S1, the first control line；S2, the second control line；S3, the 3rd control line；S4, the 4th control line；
S5, the 5th control line；S6, the 6th control line；S7, the 7th control line；S8, the 8th control line；VDD, the first power end；VSS,
Two power ends.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail the utility model.
Embodiment 1：
The present embodiment provides a kind of image element circuit, as shown in figure 1, including luminescent device 1 and for driving luminescent device to send out
The driver element 2 of light, also including fault control unit 3, and luminous controling unit 4；Wherein, fault control unit 3 is connected to
Between luminous controling unit 4 and luminescent device 1, the input end signal for obtaining luminescent device 1, and according to luminescent device 1
Input end signal output short-circuit control signal；Luminous controling unit 4 is connected with fault control unit 3, and is arranged in series in driving
Between unit 2 and luminescent device 1, for according to fault control signal, controlling the connection branch road of driver element 2 and luminescent device 1
Conducting and disconnection.Specifically, the input of luminescent device 1 connects output end, the fault control unit 3 of luminous controling unit 4
Input, the output end connection second source end VSS of luminescent device 1；The input of the driver element 2 connects the first power supply
End VDD, the output end of the driver element 2 connects the input of luminous controling unit 4；The output of the fault control unit 3
The control end of end connection luminous controling unit 4.
In the image element circuit of the present embodiment luminescent device 1 as a megaohm of circuit connected in series for pole in image element circuit, such as
Fruit is short-circuited, and the reduction of the resistance of luminescent device 1 is even down to 0, and the input end signal of luminescent device is that anode potential declines, and is approached
Second source end VSS voltages, then fault control unit 3 controls the luminous controling unit 4 connected in this illuminating circuit to switch
Disconnect, carry out short-circuit protection.Compared to laser ablation methods, image element circuit of the present utility model is simple and easy to control, without being further added by swashing
Light ablation apparatus.
Embodiment 2：
The present embodiment provides a kind of image element circuit, as shown in Fig. 2 including luminescent device 1, driver element 2, fault control list
Unit 3, and luminous controling unit 4；Wherein, fault control unit 3 includes the short-circuit protection portion 31 and preliminary filling portion 32 that are connected in series.
Specifically, the connection of luminescent device 1 luminous controling unit 4, fault control unit 3 and second source end VSS；The driver element 2
The first power end VDD and luminous controling unit 4 are connected, for driving luminescent device 1 to light；The fault control unit 3 is connected
Luminescent device 1 and luminous controling unit 4；The connection of the luminous controling unit 4 luminescent device 1, driver element 2 and fault control list
Unit 3.Wherein, in the working stage of luminescent device 1, when the anode potential of the luminescent device 1 is less than threshold value, the short-circuit protection
Portion 31 controls the luminous controling unit 4 to disconnect；In luminescent device non-operational phase, the preliminary filling portion 32 controls the luminous control
Unit processed 4 is turned on.
In the present embodiment, the first power end VDD is used to provide operating voltage, and second source end VSS is used to provide reference
Voltage.Wherein, generally, the level of the first power end VDD is higher, i.e., its can as anode, the level of second source end VSS compared with
Low, i.e., it can be used as negative electrode.
It should be noted that the luminescent device 1 in the present embodiment can include LED (Light in the prior art
Emitting Diode, light emitting diode) or OLED (Organic Light Emitting Diode, Organic Light Emitting Diode)
Driven in interior electric current, be in the present embodiment the explanation carried out by taking OLED as an example.
As shown in figure 3, as a kind of preferred embodiment in the present embodiment, driver element 2 include the first transistor Q1,
Transistor seconds Q2, the first electric capacity C1；
The control pole connection grid line of the first transistor Q1, the first pole connection data wire of the first transistor Q1,
Second pole of the first transistor Q1 connects the first end of the first electric capacity C1 and the control pole of transistor seconds Q2；
First pole of the transistor seconds Q2 connects second end of the first power end and the first electric capacity C1, and described second is brilliant
The second pole connection luminous controling unit 4 of body pipe Q2.
In the present embodiment, the first transistor Q1, transistor seconds Q2 are P-type transistor.
Wherein, the first transistor Q1 is switching tube, and transistor seconds Q2 is driving tube, the switch of the first transistor Q1 by
The signal control that Gate ends apply.
Used as a kind of preferred embodiment in the present embodiment, luminous controling unit 4 includes third transistor Q3, described the
The control pole connection fault control unit 3 of three transistor Q3；The first pole connection driver element 2 of the third transistor Q3, institute
State the second pole connection luminescent device 1 of third transistor Q3.
That is, output control of the control pole of third transistor Q3 by fault control unit 3, so as to control OLED to send out
The conducting and disconnection of light circuit.
Used as a kind of preferred embodiment in the present embodiment, preliminary filling portion 32 includes the 6th transistor Q6, the 7th transistor
Q7, the 8th transistor Q8, the second electric capacity C2；
The first end connection luminous controling unit 4 of the second electric capacity C2, first pole of the 6th transistor Q6, described second
Second end of electric capacity C2 connects the second pole, first pole of the 7th transistor Q7 of the 8th transistor Q8；
The control pole of the 8th transistor Q8 connects the 8th control line S8, the first pole connection of the 8th transistor Q8
Short-circuit protection portion 31；
The control pole of the 7th transistor Q7 connects the 5th control line S5, the second pole connection the 7th of the 7th transistor Q7
Control line S7；
The control pole of the 6th transistor Q6 connects the 4th control line S4, the second pole connection the 6th of the 6th transistor Q6
Control line S6.
As a kind of embodiment of the present embodiment, the 6th transistor Q6, the 7th transistor Q7, the 8th transistor Q8
N-type transistor is, third transistor Q3 is P-type transistor.
A frame is so divided into two stages of A and B, as shown in figure 4, the A stages are the non-operational phase of luminescent device 1, B is
The working stage of luminescent device 1.
Before the non-operational phase A of luminescent device 1, i.e. switching signal end Gate useful signals arrive, the 8th control signal
S8 is input into an inactive level signal, and the first transistor Q1, transistor seconds Q2, the 8th transistor Q8 are turned off the 4th control signal
S4 and the 5th control signal S5 is input into a significant level signal so that Q6 and Q7 is turned on, the controls of the 6th control signal S6 and the 7th
Signal S7 is transmitted to electric capacity two ends, and now the second electric capacity C2 is charged, VS6-VAnode 1＜-Vth3, so that the 6th control signal S6
Level value turns on third transistor Q3, wherein VAnode 1For the input end signal of non-operational phase luminescence unit is anode signal,
Vth3It is the threshold voltage of third transistor Q3.
That is, turning on third transistor Q3 by luminescent device non-operational phase, it is ensured that initial in luminescent device
Working stage, its input signal branch road is conducting so that luminous signal can be transmitted smoothly to luminescent device, prevent short-circuit protection
The erroneous judgement in portion 31.
The 6th transistor Q6, the 7th transistor Q7, the 8th transistor Q8, third transistor Q3 also may be used described in the present embodiment
To select other types transistor.
Used as a kind of preferred embodiment in the present embodiment, short-circuit protection portion 31 includes that the 4th transistor Q4 and the 5th is brilliant
Body pipe Q5；The control pole of the 4th transistor Q4 connects the first control line S1, the first pole connection of the 4th transistor Q4
Second pole and preliminary filling portion 32 of the 5th transistor Q5, second pole of the 4th transistor Q4 connect the second control line S2, described
Control pole connection luminous controling unit 4 and the luminescent device 1 of the 5th transistor Q5, the first pole connection of the 5th transistor Q5
3rd control line S3,.
Preferably, the 4th transistor Q4 is identical with the breadth length ratio of the 5th transistor Q5, and threshold voltage is identical.
So arrived in luminescent device 1 working stage B, Gate useful signal, luminous signal is passed by third transistor Q3
Luminescent device is transported to, luminescent device is operated.
As the first the optional embodiment in the present embodiment：
Third transistor Q3 is P-type transistor, and the 4th transistor Q4 and the 5th transistor Q5 are N-type transistor, first
Transistor Q1, transistor seconds Q2, the 4th transistor Q4, the 5th transistor Q5, the 8th transistor Q8 are both turned on；6th transistor
Q6, the 7th transistor Q7 end.
Because the breadth length ratio of the 4th transistor Q4 and the 5th transistor Q5 is identical, threshold voltage VthIt is identical.4th transistor
The control pole of Q4 by the first control line S1 VS1Control, second pole of the 4th transistor Q4 by the second control line S2 VS2Control,
First pole of the 5th transistor Q5 by the 3rd control line S3 VS3Control, the control pole of the 5th transistor Q5 is electric by the anode of OLED
Pressure VAnodeControl.
By the second control line S2 ground connection, VS1Setting value causes that the 4th transistor Q4 and the 5th transistor Q5 are operated in saturation
Area, the grid and source voltage for needing the 4th transistor Q4 and the 5th transistor Q5 is more than Vth, grid is with drain voltage less than Vth,
VS1-VS2≤Vth4, VS1-VP1≥Vth4, VAnode-VP1≤Vth5, VAnode-VS3≥Vth5, VAnodeIt is the input end signal of now luminescent device
That is anode potential, Vth4Vth5The respectively threshold voltage of the 4th transistor Q4 and the 5th transistor Q5.
Flow through Q4 identical with the electric current of Q5, therefore：
1/2μ(W/L)4(VS1-VP1-Vth4)2=1/2 μ (W/L)5(VAnode-VS3-Vth5)2
Wherein, due to (W/L)4=(W/L)5It is the 4th transistor and the breadth length ratio of the 5th transistor,
So, VS1-VP1=VAnode-VS3
Therefore, VAnode=VS1-VP1+VS3, i.e. VAnodeReduce, VP1Raise.
According to the boot strap of electric capacity, Vgate3=VS6-VS7+VP1,
Vgate3=VS6-VS7+VP1=VS6-VS7+VS1-VAnode+VS3
If the normal work of luminescent device 1, Vgate3=VS6-VS7+VS1-VAnode 2+VS3,
VAnode 2For the anode voltage value of luminescent device normal work is a high level signal, then Vgate3-VAnode 2=VS6-VS7
+VS1-2VAnode 2+VS3It is low level signal,
Vgate3-VAnode 2<-Vth3, now, third transistor Q3 conductings.
If luminescent device 1 is short-circuited, Vgate3=VS6-VS7+VS1-VAnode 3+VS3,
VAnode 3For the anode voltage value of luminescent device short circuit is a low level signal, close to VSS, then Vgate3-VAnode 3=
VS6-VS7+VS1-2VAnode 3+VS3It is high level signal, Vgate3-VAnode 3>-Vth3, now third transistor Q3 cut-offs.
As other the optional embodiments in the present embodiment, third transistor Q3, the 4th transistor Q4 and the 5th crystal
Pipe Q5 can also be other types transistor.
Compared to laser ablation methods, the image element circuit of the present embodiment is simple and easy to control, without being further added by laser ablation apparatus.
It should be noted that the first transistor Q1 in the present embodiment, transistor seconds Q2, third transistor Q3, the 4th brilliant
Body pipe Q4, the transistor Q6 of the 5th transistor Q5 the 6th, the 7th transistor Q7, that the 8th transistor Q8 is respectively and independently selected from polysilicon is thin
One kind in film transistor, amorphous silicon film transistor, oxide thin film transistor and OTFT.Each crystal
Pipe includes grid, source electrode, drain electrode totally three pole, and wherein grid is control pole；Source electrode and drain electrode are limited typically by the sense of current
It is fixed, and the two and indistinction in structure.Therefore the first pole in the present embodiment, the second pole refer to source electrode and the leakage of transistor respectively
Pole, do not limit wherein which be source electrode, which for drain electrode, as long as they are respectively connecting to required position.
Embodiment 3：
The present embodiment provides a kind of image element driving method, using above-mentioned image element circuit, during the image element circuit of the present embodiment
Sequence is as shown in figure 4, the image element driving method includes：
In luminescent device working stage, driver element drives luminescent device to light；Fault control unit obtains luminescent device
Input end signal, and according to the input end signal output short-circuit control signal of luminescent device, luminous controling unit is according to short circuit
The conducting and disconnection of the connection branch road of control signal, control driver element and luminescent device.
Compared to laser ablation methods, the method for the present embodiment is simple and easy to apply, without being further added by laser ablation apparatus.
Further, fault control unit includes the short-circuit protection portion and preliminary filling portion that are connected in series, the image element driving method
Also include：
In luminescent device non-operational phase, preliminary filling portion control luminous controling unit conducting.
Embodiment 4：
A kind of display device is present embodiments provided, it includes above-mentioned any one image element circuit.The display device can
Think：Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator etc.
Any product or part with display function.
It is understood that embodiment of above be merely to illustrate that principle of the present utility model and use it is exemplary
Implementation method, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (9)
1. a kind of image element circuit, including luminescent device and the driver element for driving luminescent device luminous, it is characterised in that also
Including fault control unit and luminous controling unit；Wherein fault control unit is connected to luminescent device and luminous controling unit
Between, the input end signal for obtaining luminescent device, and according to the input end signal output short-circuit control signal of luminescent device；
Luminous controling unit is connected with fault control unit, and is arranged in series between driver element and luminescent device, for according to short
The conducting and disconnection of the connection branch road of road control signal, control driver element and luminescent device.
2. image element circuit according to claim 1, it is characterised in that the input connection light emitting control of the luminescent device
The output end of unit, the input of fault control unit, the output end connection second source end of the luminescent device；
The input of the driver element connects the first power end, the output end connection luminous controling unit of the driver element
Input；
The output end of the fault control unit connects the control end of luminous controling unit.
3. image element circuit according to claim 2, it is characterised in that it is short that the fault control unit includes being connected in series
Road protection portion and preliminary filling portion；
In luminescent device working stage, when the input end signal of the luminescent device is less than threshold value, the short-circuit protection portion control
The luminous controling unit is made to disconnect；
In luminescent device non-operational phase, the preliminary filling portion controls the luminous controling unit conducting.
4. image element circuit according to claim 3, it is characterised in that the short-circuit protection portion includes the 4th transistor and the
Five transistors；The control pole of the 4th transistor connects the first control line, the first pole connection the 5th of the 4th transistor
Second pole and preliminary filling portion of transistor, the second pole of the 4th transistor connect the second control line, the 5th transistor
Control pole connects luminous controling unit and luminescent device, and the first pole of the 5th transistor connects the 3rd control line.
5. image element circuit according to claim 3, it is characterised in that the preliminary filling portion includes the 6th transistor, the 7th brilliant
Body pipe, the 8th transistor, the second electric capacity；
The first end connection luminous controling unit of second electric capacity, the first pole of the 6th transistor, the of second electric capacity
Two ends connect the second pole, first pole of the 7th transistor of the 8th transistor；
The control pole of the 8th transistor connects the 8th control line, the first pole connection short-circuit protection of the 8th transistor
Portion；
The control pole of the 7th transistor connects the 5th control line, and the second pole of the 7th transistor connects the 7th control line；
The control pole of the 6th transistor connects the 4th control line, and the second pole of the 6th transistor connects the 6th control line.
6. image element circuit according to claim 4, it is characterised in that the width of the transistor of the 4th transistor AND gate the 5th is long
Than identical, threshold voltage is identical.
7. image element circuit according to claim 1, it is characterised in that the luminous controling unit includes third transistor,
The control pole connection fault control unit of the third transistor；The first pole connection driver element of the third transistor, institute
State the second pole connection luminescent device of third transistor.
8. image element circuit according to claim 1, it is characterised in that the driver element includes the first transistor, second
Transistor, the first electric capacity；
The control pole connection grid line of the first transistor, the first pole connection data wire of the first transistor, described first
Second pole of transistor connects the first end of the first electric capacity and the control pole of transistor seconds；
First pole of the transistor seconds connects the second end of the first power end and the first electric capacity, and the of the transistor seconds
Two poles connect luminous controling unit.
9. a kind of display device, it is characterised in that including the image element circuit described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621465951.7U CN206301580U (en) | 2016-12-29 | 2016-12-29 | A kind of image element circuit, display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621465951.7U CN206301580U (en) | 2016-12-29 | 2016-12-29 | A kind of image element circuit, display device |
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| CN206301580U true CN206301580U (en) | 2017-07-04 |
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| CN201621465951.7U Withdrawn - After Issue CN206301580U (en) | 2016-12-29 | 2016-12-29 | A kind of image element circuit, display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106531080A (en) * | 2016-12-29 | 2017-03-22 | 京东方科技集团股份有限公司 | Pixel circuit, pixel driving method and display apparatus |
| WO2018120667A1 (en) * | 2016-12-29 | 2018-07-05 | 京东方科技集团股份有限公司 | Pixel circuit and method of driving same, and display panel |
| WO2018126748A1 (en) * | 2017-01-03 | 2018-07-12 | 京东方科技集团股份有限公司 | Protection circuit, method, pixel circuit and display device |
| US10380963B2 (en) | 2016-04-25 | 2019-08-13 | Boe Technology Group Co., Ltd. | Display driving circuit, driving method thereof, and display device |
| US10643728B2 (en) | 2016-04-25 | 2020-05-05 | Hefei Boe Optoelectronics Technology Co., Ltd. | Display driving circuit, driving method thereof, and display device |
| CN111128076A (en) * | 2019-12-31 | 2020-05-08 | 上海视欧光电科技有限公司 | Display panel, short-circuit protection method of display panel and display device |
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2016
- 2016-12-29 CN CN201621465951.7U patent/CN206301580U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10380963B2 (en) | 2016-04-25 | 2019-08-13 | Boe Technology Group Co., Ltd. | Display driving circuit, driving method thereof, and display device |
| US10643728B2 (en) | 2016-04-25 | 2020-05-05 | Hefei Boe Optoelectronics Technology Co., Ltd. | Display driving circuit, driving method thereof, and display device |
| CN106531080A (en) * | 2016-12-29 | 2017-03-22 | 京东方科技集团股份有限公司 | Pixel circuit, pixel driving method and display apparatus |
| CN106531080B (en) * | 2016-12-29 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of pixel circuit, image element driving method, display device |
| WO2018120679A1 (en) * | 2016-12-29 | 2018-07-05 | 京东方科技集团股份有限公司 | Pixel circuit, pixel drive method and display device |
| WO2018120667A1 (en) * | 2016-12-29 | 2018-07-05 | 京东方科技集团股份有限公司 | Pixel circuit and method of driving same, and display panel |
| US10332448B2 (en) | 2016-12-29 | 2019-06-25 | Boe Technology Group Co., Ltd. | Pixel circuit, pixel driving method and display device |
| US10643536B2 (en) | 2016-12-29 | 2020-05-05 | Boe Technology Group Co., Ltd. | Pixel circuit and driving method thereof, display panel |
| WO2018126748A1 (en) * | 2017-01-03 | 2018-07-12 | 京东方科技集团股份有限公司 | Protection circuit, method, pixel circuit and display device |
| US10657887B2 (en) | 2017-01-03 | 2020-05-19 | Boe Technology Group Co., Ltd. | Protection circuit and method, pixel circuit, and display device |
| CN111128076A (en) * | 2019-12-31 | 2020-05-08 | 上海视欧光电科技有限公司 | Display panel, short-circuit protection method of display panel and display device |
| US11217168B2 (en) | 2019-12-31 | 2022-01-04 | Seeya Optronics Co., Ltd. | Display panel including short circuit protection circuit |
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