CN209000516U - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN209000516U CN209000516U CN201821946904.3U CN201821946904U CN209000516U CN 209000516 U CN209000516 U CN 209000516U CN 201821946904 U CN201821946904 U CN 201821946904U CN 209000516 U CN209000516 U CN 209000516U
- Authority
- CN
- China
- Prior art keywords
- signal
- display panel
- voltage
- voltage signal
- display device
- 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.)
- Active
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a kind of display devices, including gate driving circuit, source electrode drive circuit, sequential control circuit, voltage control circuit and display panel, sequential control circuit is connect with gate driving circuit and source electrode drive circuit respectively, for providing first control signal to gate driving circuit and providing second control signal to source electrode drive circuit；Gate driving circuit is connect with display panel, for exporting gate drive signal to display panel according to first control signal；Source electrode drive circuit is connect with display panel, for exporting source electrode driving signal to display panel according to second control signal；Voltage control circuit is used to that operating voltage signal and public voltage signal to be maintained at low level signal when backlight voltage signal is less than preset threshold, discharge the residual charge of display panel, frame for turning on/off flashing can be effectively solved, the exhibit stabilization of display device is improved.
Description
Technical field
The utility model relates to field of display technology, relate more specifically to a kind of display device.
Background technique
Liquid crystal display device is change the phenomenon that being changed under the action of electric field using the orientation of liquid crystal molecule
The display device of light source light transmittance.Due to having the advantages that display is high-quality, small in size and low in energy consumption, liquid crystal display device is
It is widely used in the mobile terminal of such as mobile phone and the large scale display panel of such as flat panel TV.
Liquid crystal display device includes first substrate, the second substrate and liquid crystal layer, the first surface of first substrate and second
The second surface of substrate is opposite, and liquid crystal layer is located between the first surface of first substrate and the second surface of the second substrate.?
It is formed on the first surface of one substrate and a plurality of controlling grid scan line and a plurality of source data line intersected with each other is set, in the friendship of the two
Vent installs thin film transistor (TFT) and pixel electrode.Public electrode is formed in the first surface of the second substrate.Pixel electrode and public affairs
Include liquid crystal layer between common electrode, can be equivalent to pixel capacitance Clc.In order to keep voltage between the update cycle of pixel,
Pixel capacitance Clc can parallel connection storage capacitance Cs to obtain the longer retention time.
Gate driving circuit is connected to a plurality of controlling grid scan line, for providing grid voltage.Source electrode drive circuit is connected to
A plurality of source data line, for providing gray scale voltage.Sequential control circuit respectively with gate driving circuit and source electrode drive circuit
Connection, to provide various clock signals to gate driving circuit and source electrode drive circuit.
Under the control of sequential control circuit, gate driving circuit can successively scan a plurality of grid in each frame period and sweep
Line is retouched, corresponding thin film transistor (TFT) is gated.Source electrode drive circuit applies voltage corresponding with grayscale via source data line later
Pixel capacitance Clc is added to, to change the orientation of liquid crystal molecule to realize the brightness of corresponding grayscale.
The input signal of existing liquid crystal display device is the analog signal of frequency 60Hz, after shutdown booting rapidly
(shutdown, booting time interval less than 2 seconds) when, generally will appear that film flicker (Flicker) is bad, shutdown, booting when
Between be spaced it is shorter, flash it is more severe.
Liquid crystal display device occur film flicker be because modular power source shutdown after, due to liquid crystal display panel
(Panel) no signal on thin film transistor (TFT) (TFT), so the pixel in panel can retain last painting face driving panel
Charge.During power remove, the charge in pixel mainly passes through transistor leakage, liquid crystal electric leakage and the leakage of other materials
Electricity carrys out the charge electric discharge to pixel in panel.It is switched on if the charge in pixel does not discharge, remaining charge in panel
Recharging for pixel is had an impact, so that pixel cannot reach required voltage within a certain period of time in panel, therefore is sent out
Scintillation is given birth to.
Therefore, it is necessary to provide improved technical solution to overcome the above technical problem existing in the prior art.
Utility model content
In view of this, can effectively solve frame for turning on/off sudden strain of a muscle the purpose of this utility model is to provide a kind of display device
It is bright, improve the exhibit stabilization of display device.
One side according to the present utility model provides a kind of display device, including gate driving circuit, source drive electricity
Road, sequential control circuit, voltage control circuit and display panel, the sequential control circuit respectively with gate driving circuit and source
Pole driving circuit connection, for providing first control signal to the gate driving circuit and being mentioned to the source electrode drive circuit
For second control signal；The gate driving circuit is connect with the display panel, for defeated according to the first control signal
Gate drive signal is to the display panel out；The source electrode drive circuit is connect with the display panel, for according to
Second control signal exports source electrode driving signal to the display panel；The voltage control circuit, with the source drive electricity
Road is connected with the display panel, under the control of backlight voltage signal according to input analog voltage respectively to the source electrode
Driving circuit provides operating voltage signal and provides public voltage signal to the display panel, wherein the voltage control
Circuit is used to believe the operating voltage signal and the common voltage when the backlight voltage signal is less than preset threshold
Number it is maintained at low level signal, discharges the residual charge of the display panel.
Preferably, the voltage control circuit includes: shutdown detection module, the backlight voltage signal is received, according to institute
It states backlight voltage signal and off signal is provided；And discharge module, input terminal receive the input analog voltage, control terminal connection
To the shutdown detection module to receive the off signal, output end is connected to the source electrode drive circuit to provide the work
Make voltage signal.
Preferably, the voltage control circuit further includes division module, and first end is connected to the output of the discharge module
End, second end are connected to the display panel, and the division module is described public for being obtained according to the operating voltage signal
Voltage signal is simultaneously provided to the display panel.
Preferably, the discharge module is when the off signal is effective by the operating voltage signal and described public
Voltage signal is maintained at low level signal.
Preferably, the shutdown detection module includes: to be connected in series between the backlight voltage signal inputs and ground
First resistor and second resistance；And the first transistor, control terminal are connected to the centre of the first resistor and second resistance
Node, the first path terminal ground connection, alternate path end is used to provide the described off signal.
Preferably, the first transistor is connected when the backlight voltage signal is greater than the preset threshold, provides nothing
The off signal of effect is turned off when the backlight voltage signal is less than preset threshold, provides the effective off signal.
Preferably, the discharge module includes: second transistor, and for control terminal for receiving the off signal, first is logical
For terminal for receiving the input analog voltage, alternate path end is connected to the output end of the discharge module；And drop-down electricity
Resistance, first end are connected to the alternate path end of the second transistor, second end ground connection.
Preferably, the second transistor is connected when the off signal is invalid, is obtained according to the input analog voltage
To the operating voltage signal, turned off when the off signal is effective.
Preferably, the pull down resistor ties up the output terminal potential of the discharge module when the second transistor turns off
It is held in low level signal.
Preferably, the discharge module further includes 3rd resistor, is connected to the second transistor control terminal and
Between one path terminal, for adjusting the size of the input analog voltage.
The display device of the utility model embodiment includes voltage control circuit, and voltage control circuit is in backlight voltage signal
Operating voltage signal and public voltage signal are maintained at low level signal when less than preset threshold, discharge the display in time
The residual charge of panel solves the scintillation in the case of continuous switching on and shutting down, improves the stability of display device.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from.
Fig. 1 shows the structural schematic diagram of the display device of the utility model embodiment.
Fig. 2 shows the shutdown time diagrams of the display device of the utility model.
Fig. 3 shows the structural schematic diagram of the voltage control circuit of the utility model embodiment.
Fig. 4 shows the circuit diagram of the voltage control circuit of the utility model embodiment.
Fig. 5 a shows the shutdown schematic diagram of the display device of the prior art.
Figure 5b shows that the shutdown schematic diagrames of the display device of the utility model embodiment.
Specific embodiment
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical element is using similar
Appended drawing reference indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.In addition, may in figure
Certain well known parts are not shown.
Many specific details of the utility model, such as the structure of component, material, size, place are described hereinafter
Science and engineering skill and technology, to be more clearly understood that the utility model.But just as the skilled person will understand,
The utility model can not be realized according to these specific details.
Fig. 1 shows the structural schematic diagram of the display device of the utility model embodiment, and Fig. 2 shows the utility model
The shutdown time diagram of display device, as shown in Figure 1, the display device include display panel 110, gate driving circuit 120,
Source electrode drive circuit 130, sequential control circuit 140 and voltage control circuit 150.
Wherein, display panel 110 includes the first substrate that is oppositely arranged and the second substrate and is located at first substrate and the
Liquid crystal layer (not shown go out) between two substrates.Wherein, the controlling grid scan line extended in a first direction is provided on first substrate
It G1-Gm, the source data line S1-Sn extended in a second direction and is limited by controlling grid scan line and source data line
Pixel unit, the pixel unit include a thin film transistor (TFT) T (thin-film transistor, TFT) and pixel electrode (figure
It is not shown).Wherein, first direction and second direction are orthogonal.Specifically, in the utility model embodiment, first direction is
Horizontal direction, second direction are vertical direction.Public electrode (not shown go out) is provided in the second substrate.
Sequential control circuit 140 is connect with gate driving circuit 120 and source electrode drive circuit 130 respectively, is used for grid
Driving circuit 120 exports first control signal and exports second control signal to source electrode drive circuit 130.
Gate driving circuit 120 is connect with display panel 110, for exporting gate drive signal according to first control signal
To display panel 110.
Source electrode drive circuit 130 is connect with display panel 110, for according to second control signal output data driving signal
To display panel 110.
Voltage control circuit 150 is connect with source electrode drive circuit 130 and display panel 110, in backlight voltage signal
Under the control of Vled according to input analog voltage AVDD1 to source electrode drive circuit 130 provide operating voltage signal AVDD2 and to
The display panel 110 provides public voltage signal Vcom.
Also, voltage control circuit 150 is used to believe operating voltage when backlight voltage signal Vled is less than preset threshold
Number AVDD2 and public voltage signal Vcom is maintained at low level signal, discharges the residual charge in display panel 110.
As shown in Fig. 2, Vin indicates input voltage signal, display device 100 boosts to obtain according to input voltage signal Vin
Input analog voltage AVDD1, Led-EN indicate backlight enable signal, and PWM indicates the pulse-width signal of backlight drive, Led table
Show backlight voltage signal.As shown in Fig. 2, when detecting off signal, the timing of voltage reduction in display device 100 are as follows: back
Light enable signal Led-EN- pulse-width signal PWM- backlight voltage signal Vled- input voltage signal Vin.Wherein, source electrode drives
Dynamic circuit 130 maintains data drive signal when detecting that input analog voltage ACDD1 is less than certain value (being, for example, less than 6V)
In low level, the residual charge in display panel 110 is discharged.
Therefore, the voltage control circuit 150 of the utility model embodiment is detecting backlight voltage signal Vled less than 5V
When, operating voltage signal AVDD2 and public voltage signal Vcom are pulled low to ground.When source electrode drive circuit 130 detects work
When voltage signal AVDD2 is low level, 130 output data driving signal of source electrode drive circuit is low level signal, is discharged in time
Residual charge in display panel 110 effectively solves frame for turning on/off flashing, improves the exhibit stabilization of display device.
Fig. 3 shows the structural schematic diagram of the voltage control circuit of the utility model embodiment, as shown in figure 3, voltage controls
Circuit 150 includes: shutdown detection module 151, discharge module 152 and division module 153.
The detection module that shuts down receives backlight voltage signal Vled, for when backlight voltage signal Vled is less than preset threshold
Off signal is provided.
For the input terminal of discharge module 152 for receiving input analog voltage AVDD1, control terminal is connected to shutdown detection module
151 to receive off signal, and output end is connected to source electrode drive circuit 130 to provide operating voltage signal AVDD2.
153 input terminal of division module is connected to the output end of discharge module 152, and output end is connected to display panel 110.Point
Die block 153 is for obtaining public voltage signal Vcom according to operating voltage signal AVDD2 and being provided to display panel 110.
Wherein, discharge module 152 is used for operating voltage signal AVDD2 and public voltage signal when off signal is effective
Vcom is maintained at low level signal.
Fig. 4 shows the circuit diagram of the voltage control circuit according to the utility model embodiment, as shown in figure 4, shutdown
Detection module 152 includes the resistance R1 and R2 and transistor Q1 being connected in series between backlight voltage signal inputs and ground.
The control terminal of transistor Q1 is connected to the intermediate node of resistance R1 and resistance R2, the first path terminal ground connection, the connection of alternate path end
To node A, off signal is provided according to the potential voltage of node A.
Discharge module 152 includes transistor Q2 and resistance R3 and resistance R4.The control terminal of transistor Q2 is connected to node
A is to receive off signal, and for the first path terminal for receiving input analog voltage AVDD1, alternate path end is connected to discharge module
152 output end.Resistance R3 is series between node A and the first path terminal of transistor Q2, for adjusting input analog voltage
The size of AVDD1.The first end of resistance R4 is connected to the alternate path end of transistor Q2, second end ground connection.
In the utility model embodiment, transistor Q1 is, for example, n type field effect transistor (NMOS), and transistor Q2 is for example
For p type field effect transistor (PMOS)." control terminal ", " the first path terminal " and " alternate path end " is respectively field effect transistor
" grid ", " source electrode " and " drain electrode ".Certainly, the type of transistor Q1 and Q2 is not limited to this embodiment system, in some realities
It applies in example, transistor Q1 is, for example, N-type bipolar transistor (NPN), and transistor Q2 is, for example, p-type bipolar transistor (PNP).
" control terminal ", " the first path terminal " and " alternate path end " is respectively " base stage ", " emitter " and " collection of bipolar transistor
Electrode ".
Transistor Q1 is connected when backlight voltage signal Vled is greater than preset threshold (such as 5V), and the current potential of node A is drawn
Down to low level signal (such as being grounded node A), invalid off signal is provided.Transistor Q2 is led according to the voltage of node A
It is logical, input analog voltage AVDD1 is exported as operating voltage signal AVDD2.
Transistor Q1 is turned off when backlight voltage signal Vled is less than preset threshold (such as 5V), the potential voltage of node A
Following input analog voltage AVDD1 to increase is high level, and transistor Q2 shutdown, resistance R4 is by the output end of discharge module 152
Current potential drop-down is low level signal, and then operating voltage signal AVDD2 and public voltage signal Vcom are also pulled low as low level
Signal.
Fig. 5 a and Fig. 5 b respectively illustrate the display device of the prior art and the display device of the utility model embodiment
Shut down schematic diagram, and in figs. 5 a and 5b, Source indicates data drive signal.As shown in Figure 5 a, in the display of the prior art
In device, drops to GND to data drive signal Source since shutdown movement and need 133.8ms, display device shuts down it
Public voltage signal Vcom is 1.68V afterwards.Existing display device will lead to the electricity in pixel in the case where continuous switching on and shutting down
Lotus, which does not discharge, to be just switched on, and remaining charge has an impact recharging for pixel in panel, so that pixel exists in panel
Required voltage cannot be reached in certain time, therefore scintillation has occurred.
As shown in Figure 5 b, in the display device of the utility model embodiment, believe since shutdown movement to data-driven
Number Source drops to GND and needs 40.6ms, and public voltage signal Vcom is 0.7V after display device shutdown.This is practical
The display device of new embodiment can discharge the residual charge in display panel in time during shutdown, solve continuous switching on and shutting down feelings
Scintillation under condition improves the stability of display device.
In conclusion the display device of the utility model embodiment includes voltage control circuit, voltage control circuit is being carried on the back
Operating voltage signal and public voltage signal are maintained at low level signal when photoelectric signal is less than preset threshold, released in time
The residual charge for putting the display panel solves the scintillation in the case of continuous switching on and shutting down, improves the stabilization of display device
Property.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It is as described above according to the embodiments of the present invention, these embodiments details all there is no detailed descriptionthe,
Also not limiting the utility model is only the specific embodiment.Obviously, as described above, many modification and change can be made
Change.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the principles of the present invention and actually to answer
With so that skilled artisan be enable to utilize the utility model and repairing on the basis of the utility model well
Change use.
Claims (10)
1. a kind of display device, which is characterized in that including gate driving circuit, source electrode drive circuit, sequential control circuit, voltage
Control circuit and display panel,
The sequential control circuit is connect with gate driving circuit and source electrode drive circuit respectively, for electric to the gate driving
Road provides first control signal and provides second control signal to the source electrode drive circuit；
The gate driving circuit is connect with the display panel, for exporting gate driving letter according to the first control signal
Number to the display panel；
The source electrode drive circuit is connect with the display panel, for exporting source drive letter according to the second control signal
Number to the display panel；
The voltage control circuit is connect with the source electrode drive circuit and the display panel, in backlight voltage signal
Control under according to input analog voltage provide operating voltage signal to the source electrode drive circuit respectively and to the display
Panel provides public voltage signal,
Wherein, the voltage control circuit is used to believe the operating voltage when the backlight voltage signal is less than preset threshold
Number and the public voltage signal be maintained at low level signal, discharge the residual charge of the display panel.
2. display device according to claim 1, which is characterized in that the voltage control circuit includes:
Shut down detection module, receives the backlight voltage signal, provides off signal according to the backlight voltage signal；And
Discharge module, input terminal receive the input analog voltage, and control terminal is connected to the shutdown detection module to receive
Off signal is stated, output end is connected to the source electrode drive circuit to provide the operating voltage signal.
3. display device according to claim 2, which is characterized in that the voltage control circuit further includes division module,
First end is connected to the output end of the discharge module, and second end is connected to the display panel,
The division module is for obtaining the public voltage signal according to the operating voltage signal and being provided to the display
Panel.
4. display device according to claim 3, which is characterized in that the discharge module is when the off signal is effective
The operating voltage signal and the public voltage signal are maintained at low level signal.
5. display device according to claim 2, which is characterized in that the shutdown detection module includes:
The first resistor and second resistance being connected in series between the backlight voltage signal inputs and ground；And
The first transistor, control terminal are connected to the intermediate node of the first resistor and second resistance, and the first path terminal is grounded, the
Two path terminals are used to provide the described off signal.
6. display device according to claim 5, which is characterized in that the first transistor is in the backlight voltage signal
It is connected when greater than the preset threshold, the invalid off signal is provided, be less than preset threshold in the backlight voltage signal
When turn off, the effective off signal is provided.
7. display device according to claim 2, which is characterized in that the discharge module includes:
Second transistor, control terminal are used to receive the input analog voltage for receiving the off signal, the first path terminal,
Alternate path end is connected to the output end of the discharge module；And
Pull down resistor, first end are connected to the alternate path end of the second transistor, second end ground connection.
8. display device according to claim 7, which is characterized in that the second transistor is invalid in the off signal
When be connected, the operating voltage signal is obtained according to the input analog voltage, is turned off when the off signal is effective.
9. display device according to claim 8, which is characterized in that the pull down resistor is turned off in the second transistor
When the output terminal potential of the discharge module is maintained at low level signal.
10. display device according to claim 7, which is characterized in that the discharge module further includes 3rd resistor, series connection
It is connected between the second transistor control terminal and the first path terminal, for adjusting the size of the input analog voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821946904.3U CN209000516U (en) | 2018-11-23 | 2018-11-23 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821946904.3U CN209000516U (en) | 2018-11-23 | 2018-11-23 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000516U true CN209000516U (en) | 2019-06-18 |
Family
ID=66807022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821946904.3U Active CN209000516U (en) | 2018-11-23 | 2018-11-23 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000516U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599107A (en) * | 2020-12-11 | 2021-04-02 | 昆山国显光电有限公司 | Power supply discharge circuit, display module and display device |
| CN112992097A (en) * | 2021-03-31 | 2021-06-18 | 昆山龙腾光电股份有限公司 | Driving method, driving circuit and display device |
| CN112992092A (en) * | 2021-02-19 | 2021-06-18 | 昆山龙腾光电股份有限公司 | Drive circuit and control method thereof |
| CN114724525A (en) * | 2022-05-16 | 2022-07-08 | 福州京东方光电科技有限公司 | Display device, panel driving circuit thereof and charge discharging method |
| WO2023226621A1 (en) * | 2022-05-25 | 2023-11-30 | 京东方科技集团股份有限公司 | Driving control apparatus, driving control method and display apparatus |
-
2018
- 2018-11-23 CN CN201821946904.3U patent/CN209000516U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599107A (en) * | 2020-12-11 | 2021-04-02 | 昆山国显光电有限公司 | Power supply discharge circuit, display module and display device |
| CN112992092A (en) * | 2021-02-19 | 2021-06-18 | 昆山龙腾光电股份有限公司 | Drive circuit and control method thereof |
| CN112992097A (en) * | 2021-03-31 | 2021-06-18 | 昆山龙腾光电股份有限公司 | Driving method, driving circuit and display device |
| CN112992097B (en) * | 2021-03-31 | 2022-09-20 | 昆山龙腾光电股份有限公司 | Driving method, driving circuit and display device |
| CN114724525A (en) * | 2022-05-16 | 2022-07-08 | 福州京东方光电科技有限公司 | Display device, panel driving circuit thereof and charge discharging method |
| CN114724525B (en) * | 2022-05-16 | 2023-08-08 | 福州京东方光电科技有限公司 | Display device, panel driving circuit thereof and charge discharging method |
| WO2023226621A1 (en) * | 2022-05-25 | 2023-11-30 | 京东方科技集团股份有限公司 | Driving control apparatus, driving control method and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209000516U (en) | Display device | |
| CN104505036B (en) | Gate driver circuit | |
| CN104850270B (en) | Driving method, drive circuit, touch module, panel and the device of touch module | |
| CN107464517A (en) | Driving method, drive device, display panel and the display device of display panel | |
| CN103745685B (en) | Active matric organic LED panel driving circuit and driving method | |
| CN108053792B (en) | A kind of pixel circuit and its driving method, display device | |
| CN104616615A (en) | Screen clearing circuit and display device | |
| CN104766580A (en) | Shift register unit, and drive method, gate drive circuit and display device of shift register unit | |
| CN207781164U (en) | A kind of ghost eliminates circuit, display device and its driving circuit | |
| CN104123908A (en) | Light-emitting element driving circuit and related pixel circuit and application thereof | |
| CN106652918A (en) | GOA unit, driving method of GOA unit, GOA circuit and display device | |
| CN106920498B (en) | GIP circuit and its driving method and panel display apparatus | |
| CN107610666A (en) | Eliminate the circuit and method of power-off ghost shadow | |
| CN102956185B (en) | Pixel circuit and display device | |
| CN105047155B (en) | Liquid crystal display device and its GOA scanning circuits | |
| CN107068077A (en) | Gate driver on array unit, device, driving method and display device | |
| CN106847215B (en) | Display device | |
| CN103500556A (en) | Pixel circuit, pixel circuit driving method and thin film transistor backplane | |
| CN105469756A (en) | GOA circuit based on LTPS semiconductor thin-film transistors | |
| CN205507290U (en) | Touch -control display module assembly, touch -control display panel and device | |
| CN109658902B (en) | Liquid crystal display device and the method and electronic equipment for improving panel flash | |
| CN109559706A (en) | Display driver circuit and display device | |
| CN108962165A (en) | A kind of circuit and method for eliminating IGZO display panel power down ghost | |
| CN105513552A (en) | Driving circuit, driving method and display device | |
| CN1953030A (en) | Control circuit device and liquid crystal display with the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |