CN106601207A - Control circuit, source control circuit, driving method, and display device - Google Patents
Control circuit, source control circuit, driving method, and display device Download PDFInfo
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- CN106601207A CN106601207A CN201710025561.0A CN201710025561A CN106601207A CN 106601207 A CN106601207 A CN 106601207A CN 201710025561 A CN201710025561 A CN 201710025561A CN 106601207 A CN106601207 A CN 106601207A
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- control circuit
- power supply
- source electrode
- logic power
- signal end
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
-
- 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]
- G09G3/3275—Details of drivers for data electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention, which belongs to the technical field of displaying, discloses a control circuit, a source control circuit, a driving method, and a display device. The control circuit consists of an input module and a switch module; the input module respectively connected with a logic power supply signal terminal and a source driving circuit is used for outputting a logic power signal from the logic power supply signal terminal to the source driving circuit; and the switch power module connected with the logic power supply signal terminal, an analog power supply signal terminal and the source driving circuit respectively is used for outputting an analog power supply signal from the analog power supply signal terminal to the source driving circuit under the control of the logic power supply signal. Because the control circuit can provide the analog power supply signal for the source driving circuit under control of the logic power signal, the time sequence of inputting the two power supply signals into the source driving circuit can be controlled precisely, so that a phenomenon that the source driving circuit is damaged because of disorder of the time sequence of the two power supply signals can be avoided.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of control circuit, source control circuit, driving method and aobvious
Showing device.
Background technology
Source electrode drive circuit (English：Source Driver Integrated Circuit；Referred to as：S-IC it is) to show dress
The drive circuit of data signal is provided in putting for each row pixel cell.The source electrode drive circuit generally comprises deserializer, moves
The device such as bit register and wiring unit.The source electrode drive circuit can be by above-mentioned device, by from the serial of data signal end
Data signal is converted to multiple parallel data signals.
In correlation technique, show and also include in transposition pulse width modulation (English：Pulse Width Modulation；
Referred to as：PWM) chip, the PWM chip is used to generate analog power supply signal and logic power signal.The wherein analog power supply signal
For powering for the analog power device (such as deserializer) in the source electrode drive circuit；Logic power signal is used for be somebody's turn to do
Digital power device (such as shift register) power supply in source electrode drive circuit.
But, the sequential of two kinds of power supply signals that PWM chip is generated is unfixed in correlation technique, when analog power letter
Number end output analog power supply signal startup sequential earlier than the logic power signal when, the PWM may produce larger electricity
Stream, may cause to damage to the source electrode drive circuit.
The content of the invention
The sequential of two kinds of power supply signals that PWM chip is generated is not fix in order to solve correlation technique, may be to this
Source electrode drive circuit causes the problem damaged, the invention provides a kind of control circuit, source control circuit, driving method and aobvious
Showing device.The technical scheme is as follows：
First aspect, there is provided a kind of control circuit, the control circuit includes：
Input module and switch module；
The input module is connected respectively with logic power signal end and source electrode drive circuit, for the source drive
Logic power signal of the circuit output from the logic power signal end；
The switch module respectively with the logic power signal end, analog power supply signal end and the source electrode drive circuit
It is connected, under the control of the logic power signal, to source electrode drive circuit output from analog power letter
Number end analog power supply signal.
Optionally, the switch module includes：At least one transistor；
The grid of each transistor is connected with the logic power signal end, source electrode and the analog power supply signal end
Connection, drain electrode is connected with the source electrode drive circuit.
Optionally, the control circuit also includes：Time delay module；
The time delay module is connected respectively with the logic power signal end and the switch module, for by the logic
Power supply signal enters after line delay to export to the switch module.
Optionally, the time delay module is the time schedule controller in the display device.
Optionally, the time delay module includes：The phase inverter of even number cascade.
Optionally, each described transistor is N-type transistor.
Second aspect, there is provided a kind of source control circuit, the source control circuit includes：
Control circuit and source electrode drive circuit, the wherein controlling potential are control circuit as described in relation to the first aspect.
The third aspect, there is provided a kind of driving method of source control circuit, the source electrode being applied to as described in the third aspect
In control circuit, methods described includes：
Preparatory stage, signal of the data signal end output in preset potential, logic power signal end output logic power
Signal, analog power supply signal end output analog power supply signal, the input module in control circuit is defeated by the logic power signal
Enter into source electrode drive circuit, when the logic power signal is in the first current potential, the switch module in the control circuit
The analog power supply signal is input into into the source electrode drive circuit；
Startup stage, the logic power signal end and the analog power supply signal end are respectively by the control circuit
Power in the source electrode drive circuit, the data signal end outputting data signals.
Optionally, the preset potential is the maximum potential or potential minimum that the data signal end can be exported.
Fourth aspect, there is provided a kind of display device, the display device includes：
Source control circuit as described in second aspect.
The beneficial effect brought of technical scheme that the present invention is provided is：
A kind of control circuit, source control circuit, driving method and display device are embodiments provided, the control
Input module in circuit can provide logic power signal for source electrode drive circuit, and the switch module in the control circuit can
Under the control of logic power signal, for source electrode drive circuit analog power supply signal is provided.Therefore, the control circuit can be to this
Two power supply signals are input into the sequential of source electrode drive circuit and are precisely controlled, it is to avoid due to two power supply signal sequential disorders
And source electrode drive circuit is caused to damage.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of control circuit provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another kind of control circuit provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another control circuit provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another control circuit provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another control circuit provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of the driving method of source control circuit provided in an embodiment of the present invention；
Fig. 7 is a kind of sequential chart of power supply signal provided in an embodiment of the present invention；
Fig. 8 is the sequential chart of another kind of power supply signal provided in an embodiment of the present invention；
Fig. 9 is the sequential chart of another power supply signal provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structural representation of control circuit provided in an embodiment of the present invention, with reference to Fig. 1, the control circuit 01
Can include：Input module 10 and switch module 20.
The input module 10 is connected respectively with logic power signal end DVDD and source electrode drive circuit 00, for the source electrode
Drive circuit 00 exports the logic power signal from logic power signal end DVDD；The switch module 20 respectively with the logic
Power supply signal end DVDD, analog power supply signal end AVDD are connected with the source electrode drive circuit 00, in the logic power signal
Control under, export the analog power supply signal from analog power supply signal end AVDD to the source electrode drive circuit 00.That is to say,
Control circuit provided in an embodiment of the present invention, can adopt logic power signal as the enable signal of the analog power supply signal,
Only when the logic power signal is in preset potential (such as high potential), just the simulation electricity can be exported to source electrode drive circuit
Source signal.
In sum, a kind of control circuit is embodiments provided, the input module in the control circuit can be
Source electrode drive circuit provides logic power signal, and the switch module in the control circuit can be in the control of logic power signal
Under, provide analog power supply signal for source electrode drive circuit.Therefore, the control circuit can be input into source to two power supply signals
The sequential of pole drive circuit is precisely controlled, it is to avoid source electrode drive circuit is caused because two power supply signal sequential are disorderly
Damage.
In a kind of optional implementation of the embodiment of the present invention, with reference to Fig. 2, the switch module 20 can include：At least
One transistor, such as one transistor M0.
The grid of each transistor is connected with logic power signal end DVDD, source electrode and analog power supply signal end AVDD
Connection, drain electrode is connected with the source electrode drive circuit 00.
In a kind of optional implementation of the embodiment of the present invention, with reference to Fig. 3, the control circuit can also include：Time delay
Module 30.
The time delay module 30 can be connected respectively with the logic power signal end DVDD and the switch module 20, for should
Logic power signal enters after line delay to export to the switch module 20.That is to say, the control analog power supply signal of switch module 20
Output when, be to be controlled according to the logic power signal after time delay, thus may further ensure that input to source
The Startup time (i.e. the moment of saltus step to the first current potential) of the analog power supply signal in the drive circuit of pole is later than the logic power letter
Number, the difference of the Startup time of two power supply signals can be less than or equal to 10 milliseconds.
In embodiments of the present invention, on the one hand, refer to Fig. 4, the time delay module 30 can be the sequential in the display device
Controller (English：Timer Control；Referred to as：TCON), because the TCON in the display device includes multiple pins, can
Using the pin reserved in the TCON, to realize the time delay of the logic power signal to logic power signal end DVDD outputs.
On the other hand, with reference to Fig. 5, the time delay module 30 can also include：The phase inverter of even number cascade, such as in Fig. 5,
Including two phase inverters F1 and F2.After the phase inverter that the even number is cascaded, its phase place will not change logic power signal
Become, but the sequential of signal has certain time delay.
Optionally, understand with reference to Fig. 2, Fig. 4 and Fig. 5, in embodiments of the present invention, the input module 10 can be one
Wire, that is to say, the input module 10 directly can be delivered to logic power signal in source electrode drive circuit 00.
It should be noted that in embodiments of the present invention, believe with reference to Fig. 2, logic power signal end DVDD and analog power
Number end AVDD can with pulse width modulation (English：Pulse Width Modulation；Referred to as：PWM) chip is connected, namely
It is logic power signal and analog power supply signal can be generated by the PWM chip, then again by provided in an embodiment of the present invention
Control circuit 01 is delivered to the logic power signal and analog power supply signal in source electrode drive circuit 00.
Further, with reference to Fig. 2, shift register, deserializer and line can be included in the source electrode drive circuit 00
Road latch (English：Line Latch) etc. multiple devices, by the plurality of device can by data signal end DATA be input into
Serial data signal, is converted to the data signal of multidiameter delay.The control circuit 01 can be delivered to the logic power signal
In logic power device in the source electrode drive circuit 00, such as shift register and circuit latch etc.；The control circuit 01
The analog power supply signal can be delivered in the analog power device in the source electrode drive circuit 00, such as deserializer
In.Additionally, the device such as shift register and circuit latch in the source electrode drive circuit 00 also with electric wire earth terminal GND phases
Even.
In sum, a kind of control circuit is embodiments provided, the input module in the control circuit can be
Source electrode drive circuit provides logic power signal, and the switch module in the control circuit can be in the control of logic power signal
Under, provide analog power supply signal for source electrode drive circuit.Therefore, the control circuit can be input into source to two power supply signals
The sequential of pole drive circuit is precisely controlled, it is to avoid source electrode drive circuit is caused because two power supply signal sequential are disorderly
Damage.Additionally, the element that the control circuit includes is less, circuit structure is relatively simple, can reduce the complexity of circuit design
Degree.
A kind of source control circuit is embodiments provided, with continued reference to Fig. 1 to Fig. 5, the source control circuit can
To include：Control circuit 01 and source electrode drive circuit 00.
The embodiment of the present invention additionally provides a kind of driving method of source control circuit, and the method can apply to the present invention
In the source control circuit that embodiment is provided, with reference to Fig. 6, the method can include：
Step 101, preparatory stage, signal of the data signal end DATA output in preset potential, logic power signal end
DVDD exports logic power signal, analog power supply signal end AVDD output analog power supply signals, the input module in control circuit
10 by the logic power signal input to source electrode drive circuit 00, when the logic power signal is in the first current potential, the control
Switch module 20 in circuit processed is input into the analog power supply signal into the source electrode drive circuit 00.
In embodiments of the present invention, because control circuit needs control logic power supply signal and analog power supply signal successively defeated
Enter into the source electrode drive circuit so that the starting time of different components is different in the source electrode drive circuit, it is thus possible to can be right
Display picture is impacted.In order to reduce the impact, the input phase in two power supply signals, data signal end can be caused
The current potential of the signal of DATA outputs is preset potential, and the preset potential can be the highest that data signal end DATA can be exported
Current potential or potential minimum, now display picture is complete white picture or completely black picture, can avoid seeing in display picture
Existing noise.
Step 102, startup stage, the logic power signal end DVDD and analog power supply signal end AVDD are respectively by being somebody's turn to do
Control circuit is to power in the source electrode drive circuit 00, the data signal end DATA outputting data signals.
When the logic power signal end DVDD and analog power supply signal end AVDD is the source drive by control circuit
After circuit normal power supply, data signal end DATA can normal outputting data signals, now display device can normally show
Picture.
Example, by taking the control circuit shown in Fig. 2 as an example, the driving method of the source control circuit is discussed in detail.Such as Fig. 7
It is shown, in preparatory stage T1, the logic power signal end DVDD and analog power supply signal end AVDD difference out-put supply letters
Number, when the logic power signal end DVDD output logic power signal be the first current potential, the transistor M0 in the control circuit
Open, in the source electrode drive circuit analog power supply signal is input into, also saltus step is electric to first when the current potential of the analog power supply signal
During position, the source electrode drive circuit can be with normal work, and now source control circuit is into startup stage T2, data signal end DATA
Can normal outputting data signals.
In another kind of optional implementation of the embodiment of the present invention, with reference to Fig. 8, when the analog power supply signal end, AVDD is defeated
(i.e. analog power supply signal is first from the second jump in potential to first earlier than the logic power signal for the sequential of the analog power supply signal for going out
Current potential) when, because the control circuit needs, when the logic power signal is the first current potential, can just be input into analog power supply signal
To source electrode drive circuit, therefore, the waveform of the analog power supply signal that the source electrode drive circuit 00 is an actually-received is in Fig. 8
Waveform shown in AVDD1.As can be seen from Figure 8, now the analog power supply signal AVDD1 of the control circuit output and the logic
Power supply signal starts (i.e. current potential is simultaneously by the second jump in potential to the first current potential) simultaneously.
In the embodiment of the present invention in another optional implementation, it is assumed that as shown in Figures 3 to 5, in the control circuit
Time delay module 30 is additionally provided with, then the sequential of each power supply signal can be as shown in Figure 9 in the source control circuit.With reference to Fig. 9, should
Time delay module 30 can be such as Fig. 9 to the signal waveform that the logic power signal that logic power signal end DVDD is exported enters after line delay
In DVDD1 shown in, due to the switch module 20 in the control circuit be by the logic power signal control after the time delay, because
To the first current potential, the switch module just can be to source electrode drive circuit for this logic power signal DVDD1 saltus step after the time delay
The analog power supply signal is exported, now, the waveform of the analog power supply signal that the source electrode drive circuit is received can be as in Fig. 9
Shown in AVDD1.
As can be seen that using control circuit provided in an embodiment of the present invention to power supply in sequential chart shown in from Fig. 7 to Fig. 9
After signal is controlled, it is ensured that the Startup time of the analog power supply signal that source electrode drive circuit is received is no earlier than the logic
The Startup time of power supply signal, such that it is able to avoid, two power supply signal sequential are disorderly to be caused to damage to source electrode drive circuit.
It is that, with each transistor as N-type transistor, and the first current potential is it should be noted that in the above-described embodiments
Relative to the explanation carried out as a example by the second current potential high potential.Certainly, each transistor can also adopt P-type transistor, when
When each transistor adopts P-type transistor, first current potential can be electronegative potential relative to second current potential, and each letter
The potential change at number end can be contrary with the potential change shown in Fig. 7 to Fig. 9 (i.e. the phase contrast of the two be 180 degree).
The embodiment of the present invention provides a kind of display device, and the display device can include grid provided in an embodiment of the present invention
Control circuit (may be referred to Fig. 1 to Fig. 5), and the display device can be：Liquid crystal panel, Electronic Paper, oled panel, AMOLED faces
Plate, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator etc. are any with display function
Product or part.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of control circuit, it is characterised in that the control circuit includes：Input module and switch module；
The input module is connected respectively with logic power signal end and source electrode drive circuit, for the source electrode drive circuit
Export the logic power signal from the logic power signal end；
The switch module respectively with the logic power signal end, analog power supply signal end and the source electrode drive circuit phase
Even, under the control of the logic power signal, to source electrode drive circuit output from the analog power supply signal
The analog power supply signal at end.
2. control circuit according to claim 1, it is characterised in that the switch module includes：At least one transistor；
The grid of each transistor is connected with the logic power signal end, and source electrode connects with the analog power supply signal end
Connect, drain electrode is connected with the source electrode drive circuit.
3. control circuit according to claim 1 and 2, it is characterised in that the control circuit also includes：Time delay module；
The time delay module is connected respectively with the logic power signal end and the switch module, for by the logic power
Signal enters after line delay to export to the switch module.
4. control circuit according to claim 3, it is characterised in that
The time delay module is the time schedule controller in the display device.
5. control circuit according to claim 3, it is characterised in that the time delay module includes：
The phase inverter of even number cascade.
6. control circuit according to claim 2, it is characterised in that
Each described transistor is N-type transistor.
7. a kind of source control circuit, it is characterised in that the source control circuit includes：
Control circuit and source electrode drive circuit, the control circuit is the control circuit as described in claim 1 to 6 is arbitrary.
8. a kind of driving method of source control circuit, it is characterised in that be applied to source electrode control electricity as claimed in claim 7
Road, methods described includes：
Preparatory stage, signal of the data signal end output in preset potential, logic power signal end output logic power signal,
Analog power supply signal end exports analog power supply signal, and the input module in control circuit is by the logic power signal input to source
In the drive circuit of pole, when the logic power signal is in the first current potential, the switch module in the control circuit will be described
Analog power supply signal is input into into the source electrode drive circuit；
Startup stage, the logic power signal end and the analog power supply signal end are respectively described by the control circuit
Power in source electrode drive circuit, the data signal end outputting data signals.
9. method according to claim 8, it is characterised in that
The preset potential is the maximum potential or potential minimum that the data signal end can be exported.
10. a kind of display device, it is characterised in that the display device includes：
Source control circuit as claimed in claim 7.
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| CN201710025561.0A CN106601207A (en) | 2017-01-13 | 2017-01-13 | Control circuit, source control circuit, driving method, and display device |
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| CN201710025561.0A CN106601207A (en) | 2017-01-13 | 2017-01-13 | Control circuit, source control circuit, driving method, and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000903A1 (en) * | 2017-06-30 | 2019-01-03 | 京东方科技集团股份有限公司 | Display device, power supply circuit and power supply method |
| CN110544452A (en) * | 2018-05-28 | 2019-12-06 | 京东方科技集团股份有限公司 | power supply time sequence control circuit and control method, display driving circuit and display device |
| CN110599969A (en) * | 2018-06-12 | 2019-12-20 | 夏普株式会社 | Power supply circuit and display device |
| CN110827784A (en) * | 2019-10-24 | 2020-02-21 | 深圳市华星光电技术有限公司 | Drive circuit and control method thereof |
| CN113205763A (en) * | 2021-05-20 | 2021-08-03 | 合肥京东方显示技术有限公司 | Start control module, start control method and display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000007894A (en) * | 1998-07-08 | 2000-02-07 | 윤종용 | Driving sequence controlling circuit of thin film transistor liquid crystal display device |
| CN1588528A (en) * | 2004-08-09 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and method for improving picture flash and residual picture in turn off process |
| CN1588529A (en) * | 2004-08-09 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and method for improving picture flash in turn-on process |
| US20070159440A1 (en) * | 2006-01-10 | 2007-07-12 | Samsung Electronics Co., Ltd. | Data line driver circuits and methods for internally generating a frame recognition signal |
| CN101083061A (en) * | 2006-05-30 | 2007-12-05 | 中华映管股份有限公司 | Thin film Liquid crystal display board driving mchanism and method |
| CN101377907A (en) * | 2007-08-31 | 2009-03-04 | 北京京东方光电科技有限公司 | Delay device for analog power supply signal |
| CN106531116A (en) * | 2017-01-05 | 2017-03-22 | 京东方科技集团股份有限公司 | Starting method of shut-down residual shadow elimination and starting circuit thereof, power supply IC and display apparatus |
-
2017
- 2017-01-13 CN CN201710025561.0A patent/CN106601207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000007894A (en) * | 1998-07-08 | 2000-02-07 | 윤종용 | Driving sequence controlling circuit of thin film transistor liquid crystal display device |
| CN1588528A (en) * | 2004-08-09 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and method for improving picture flash and residual picture in turn off process |
| CN1588529A (en) * | 2004-08-09 | 2005-03-02 | 友达光电股份有限公司 | Liquid crystal display and method for improving picture flash in turn-on process |
| US20070159440A1 (en) * | 2006-01-10 | 2007-07-12 | Samsung Electronics Co., Ltd. | Data line driver circuits and methods for internally generating a frame recognition signal |
| CN101083061A (en) * | 2006-05-30 | 2007-12-05 | 中华映管股份有限公司 | Thin film Liquid crystal display board driving mchanism and method |
| CN101377907A (en) * | 2007-08-31 | 2009-03-04 | 北京京东方光电科技有限公司 | Delay device for analog power supply signal |
| CN106531116A (en) * | 2017-01-05 | 2017-03-22 | 京东方科技集团股份有限公司 | Starting method of shut-down residual shadow elimination and starting circuit thereof, power supply IC and display apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 汪东: "《CMOS超大规模集成电路设计》", 30 April 2006 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000903A1 (en) * | 2017-06-30 | 2019-01-03 | 京东方科技集团股份有限公司 | Display device, power supply circuit and power supply method |
| US11289020B2 (en) | 2017-06-30 | 2022-03-29 | Boe Technology Group Co., Ltd. | Display device, power supply circuit and power supply method |
| CN110544452A (en) * | 2018-05-28 | 2019-12-06 | 京东方科技集团股份有限公司 | power supply time sequence control circuit and control method, display driving circuit and display device |
| CN110599969A (en) * | 2018-06-12 | 2019-12-20 | 夏普株式会社 | Power supply circuit and display device |
| CN110599969B (en) * | 2018-06-12 | 2021-09-10 | 夏普株式会社 | Display device |
| CN110827784A (en) * | 2019-10-24 | 2020-02-21 | 深圳市华星光电技术有限公司 | Drive circuit and control method thereof |
| CN113205763A (en) * | 2021-05-20 | 2021-08-03 | 合肥京东方显示技术有限公司 | Start control module, start control method and display device |
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