CN106297711A - Display module drive circuit, driving method and display module - Google Patents
Display module drive circuit, driving method and display module Download PDFInfo
- Publication number
- CN106297711A CN106297711A CN201610830290.1A CN201610830290A CN106297711A CN 106297711 A CN106297711 A CN 106297711A CN 201610830290 A CN201610830290 A CN 201610830290A CN 106297711 A CN106297711 A CN 106297711A
- Authority
- CN
- China
- Prior art keywords
- voltage
- unit
- threshold
- output
- display module
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
Abstract
nullThe present invention provides display module drive circuit，Including the first voltage output unit、Second voltage output unit、Time schedule controller、Computing unit and judging unit，Described first voltage output unit and described second voltage output unit export the first voltage respectively、Second voltage is to described computing unit，Wherein，Described first voltage is more than described second voltage，Described computing unit receives described first voltage and described second voltage and calculates the voltage difference of the two，Described computing unit is by described voltage difference output extremely described judging unit，Described judging unit receives described voltage difference and compares with preset range，And judge that described voltage difference adjusts signal beyond output during preset range，Described time schedule controller regulates the second voltage of described second voltage output unit output accordingly according to described adjustment signal，Make described voltage difference in described preset range.The display module of the present invention and driving method, it can be avoided that low GTG bright spot repairs the best defect, promote display effect.
Description
Technical field
The present invention relates to field of liquid crystal, particularly relate to a kind of display module drive circuit and display module.
Background technology
Along with the progress of photoelectricity Yu semiconductor technology, drive the flourish of flat-panel screens, and shown in many planes
Show in device, liquid crystal display (liquid crystal display, LCD) because of have high spatial utilization ratio, low consumpting power,
The advantageous characteristic such as radiationless and low EMI, it has also become the main flow in market.
In order to solve the Image sticking problems of liquid crystal display, it will usually load respectively on color membrane substrates and array base palte
Different common electric voltages, and the common electric voltage on color membrane substrates is more than the common electric voltage on array base palte.Raw at display module
During product, need to keep the common electric voltage on array base palte constant, the common electric voltage on regulation color membrane substrates, optimal to ensure
Display effect.If the common electric voltage regulation on color membrane substrates is relatively big, the common electric voltage on color membrane substrates and array base palte can be caused
On common electric voltage pressure reduction excessive, cause low GTG bright spot to repair the defect such as the best.Therefore, need one badly and can avoid color film base
The display module that common electric voltage on plate is excessive with the common electric voltage pressure reduction on array base palte.
Summary of the invention
It is an object of the invention to provide display module drive circuit, this drive circuit is it can be avoided that public affairs on color membrane substrates
Common voltage is excessive with the common electric voltage pressure reduction on array base palte, improves low GTG bright spot and repairs the best defect.
Another object of the present invention is to provide a kind of display module using above-mentioned display module drive circuit.
Another object of the present invention is to provide the driving method of a kind of above-mentioned display module.
To achieve these goals, the following technical scheme of embodiment of the present invention offer:
The present invention provides a kind of display module drive circuit, including the first voltage output unit, the second voltage output unit,
Time schedule controller, computing unit and judging unit, described first voltage output unit and described second voltage output unit are respectively
Exporting the first voltage, the second voltage to described computing unit, wherein, described first voltage is more than described second voltage, described meter
Calculating unit receive described first voltage and described second voltage and calculate the voltage difference of the two, described computing unit is by described voltage
Difference output receives described voltage difference and compares with preset range to described judging unit, described judging unit, and judging institute
Stating voltage difference and adjust signal beyond output during preset range, described time schedule controller regulates described accordingly according to described adjustment signal
Second voltage of the second voltage output unit output so that described voltage difference is in described preset range.
Wherein, described computing unit includes that subtraction circuit, described subtractor include first input end, the second input and defeated
Going out end, described first voltage output unit connects described first input end, and described second voltage output unit connects described second
Input, described outfan connects described judging unit.
Wherein, described judging unit includes the first comparator and the second comparator, and the outfan of described subtraction circuit connects
The in-phase input end of described first comparator and the inverting input of the second comparator, the reverse input end of described first comparator
Receiving the first reference voltage, the in-phase input end of described second comparator receives the second reference voltage, described first comparator and
The outfan of described second comparator connects described time schedule controller, and wherein, described first reference voltage is not equal to described second
Reference voltage.
Wherein, described subtraction circuit also includes controlling end, and described time schedule controller connects the control end of described subtraction circuit,
Described first comparator and described second comparator output same alike result level signal, described time schedule controller controls described subtraction
Circuit quits work.
Wherein, described preset range includes first threshold and Second Threshold, and wherein, described Second Threshold is more than described first
Threshold value；
When judging unit determines described voltage difference less than described first threshold, described second electricity of described time schedule controller regulation
Pressure output unit reduces the second voltage of output；
When judging unit determines described voltage difference more than described Second Threshold, described second electricity of described time schedule controller regulation
Pressure output unit increases the second voltage of output.
The present invention provides a kind of display module, wherein, including the display module drive circuit described in above-mentioned any one.
The present invention provides a kind of display module unit driving method, wherein, comprises the steps: to calculate the first voltage and the second electricity
The voltage difference of pressure, wherein, described first voltage is more than described second voltage；By described first voltage and the electricity of described second voltage
Pressure reduction compares with preset range；When the voltage difference of described first voltage and the second voltage is beyond preset range, regulate institute
State the second voltage so that the voltage difference of described first voltage and described second voltage is between described preset range.
Wherein, described preset range includes first threshold and Second Threshold, and wherein, described Second Threshold is more than described first
Threshold value；
When the voltage difference of described first voltage and described second voltage is less than described first threshold, reduce described second electricity
Pressure；
When the voltage difference of described first voltage and described second voltage is more than described Second Threshold, increased output described
Second voltage.
Wherein, when the voltage difference of described first voltage and described second voltage is more than described first threshold and less than described the
During two threshold values, stop calculating described first voltage and the voltage difference of described second voltage.
Wherein, described first voltage is preset value.
The embodiment of the present invention has the advantage that or beneficial effect:
By first voltage and the second of the output of the second voltage output unit of the first voltage output unit output in the present invention
Voltage output calculates voltage difference to computing unit, when judging unit judges this voltage difference beyond preset range, passes through sequential
Controller regulates the second voltage of the second voltage output unit output, so that described voltage difference is between described preset range, keeps away
Exempt from low GTG bright spot and repaired the best defect, improve the display effect of display module.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
A kind of block diagram showing module drive circuit that Fig. 1 provides for the embodiment of the present invention.
The display module drive circuit figure that Fig. 2 provides for another embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, it is all that those of ordinary skill in the art are obtained on the premise of not making creative work
Other embodiments, broadly falls into the scope of protection of the invention.
Additionally, the explanation of following embodiment is with reference to additional diagram, the spy implemented in order to illustrate the present invention may be used to
Determine embodiment.The direction term being previously mentioned in the present invention, such as, " on ", D score, "front", "rear", "left", "right", " interior ",
" outward ", " side " etc., be only the direction with reference to annexed drawings, and therefore, the direction term of use is in order to more preferably, more clearly say
Bright and understand the present invention rather than instruction or infer the device of indication or element must have specific orientation, with specific side
Position structure and operation, be therefore not considered as limiting the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be detachably connected, or connect integratedly
Connect；Can be to be mechanically connected；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion.For the ordinary skill in the art, above-mentioned term tool in the present invention can be understood with concrete condition
Body implication.
Additionally, in describing the invention, except as otherwise noted, " multiple " are meant that two or more.If this
Occurring the term of " operation " in description, it refers not only to independent operation, when cannot clearly distinguish with other operation, as long as
The effect desired by this operation that can realize then is also included within this term.It addition, in this specification with "～" the numerical value model that represents
Enclose refer to using "～" before and after the scope that is included as minima and maximum of numerical value recorded.In the accompanying drawings, structure
Similar or identical is indicated by the same numeral.
Refer to a kind of block diagram showing module drive circuit that Fig. 1, Fig. 1 provide for the embodiment of the present invention.The present embodiment
Middle display module drive circuit 100 includes first voltage output unit the 10, second voltage output unit 20, computing unit 30, sentences
Disconnected unit 40 and time schedule controller 50.Described first voltage output unit 10 is for providing for the color membrane substrates in display module
One voltage (is color membrane substrates and provides common electric voltage).Described second voltage output unit 20 is for for showing the array in module
Substrate provides the second voltage (be array base palte and provide common electric voltage).Generally, described first voltage is more than described second voltage.
First magnitude of voltage of described first voltage output unit 10 output passes through Flicker actuator during the debugging of display module
Preset, and store in the memory unit.It is to say, described first voltage is a preset value.
Described first voltage output unit 10 exports the first voltage to described computing unit 30, described second voltage output list
Unit 20 output the second voltage is to described computing unit 30.Described computing unit 30 receives described first voltage and described second voltage
After, calculating voltage difference Vd (Vd ＞ 0) of described first voltage and described second voltage, described computing unit is by described voltage difference Vd
Output is to described judging unit 40, and described judging unit 40 receives described voltage difference Vd, and by described voltage difference Vd and default model
Enclose and compare.When described voltage difference Vd is beyond preset range, the output of described judging unit 40 adjusts signal, described sequential control
Device 50 processed regulates the second voltage of described second voltage output unit 20 output accordingly according to described adjustment signal so that described electricity
Pressure reduction Vd is between described preset range.
By first voltage and the second of the output of the second voltage output unit of the first voltage output unit output in the present invention
Voltage output calculates voltage difference to computing unit, when judging unit judges this voltage difference beyond preset range, passes through sequential
Controller regulates the second voltage of the second voltage output unit output, so that described voltage difference is in described preset range, keeps away
Exempt from low GTG bright spot and repaired the best defect, improve the display effect of display module.
Concrete, described preset range includes first threshold and Second Threshold, and wherein, described Second Threshold is more than described the
One threshold value；When judging unit 40 determines described voltage difference Vd less than described first threshold, described time schedule controller 50 regulates institute
State the second voltage output unit 20 and reduce the second voltage of output；
When judging unit 40 determines described voltage difference Vd more than described Second Threshold, described time schedule controller 50 regulates institute
State the second voltage output unit and increase the second voltage of output.
It is understood that in other embodiments, described preset range can also be single threshold value, such as, and can
To set when voltage difference Vd is less or greater than described threshold value, voltage difference Vd is adjusted to accordingly more than or less than this threshold value.
Incorporated by reference to the display module drive circuit figure provided for another embodiment of the present invention refering to Fig. 2, Fig. 2.Optionally,
Described computing unit 30 includes subtraction circuit.Described subtractor includes first input end, the second input and outfan, described
One voltage output unit 10 connects described first input end, and described second voltage output unit 20 connects described second input,
Described outfan connects described judging unit 40.
Optionally, described judging unit 40 includes the first comparator U1 and the second comparator U2, described subtraction circuit defeated
Go out in-phase input end and the inverting input of the second comparator U2, described first comparator that end connects described first comparator U1
Reverse input end receive the first reference voltage Vf1, the in-phase input end of described second comparator receives the second reference voltage
Vf2, the outfan of described first comparator U1 and described second comparator U2 connects described time schedule controller 50, wherein, described
First reference voltage Vf1 is less than described second reference voltage Vf2.It is understood that described first reference voltage Vf1 is
The first threshold stated；Described second reference voltage Vf2 is above-mentioned Second Threshold.
Concrete, in one specific embodiment of the present invention, the first reference voltage Vf1=2.5V, the second reference voltage Vf2
=3V, the first voltage is 7V, and the second Initial Voltage Value is 3V, then have voltage difference Vd=4V, now has Vd=4V ＞ Vf2=3V ＞
Vf1=2.5V；Therefore, the first comparator U1 output high level and the second comparator U2 output low level, described time schedule controller
After 50 level signals receiving the first comparator U1 and described second comparator U2 output, described time schedule controller 50 controls described
Second voltage output unit 20 promotes the second magnitude of voltage of output, thus reduces the value of voltage difference Vd, until meeting Vf1 ＜ Vd ＜
Vf2.It is understood that in other embodiments, described time schedule controller 50 can also control described second voltage output
Unit 20 promotes the second magnitude of voltage of output, until meeting Vf1≤Vd≤Vf2.
Concrete, in one specific embodiment of the present invention, the first reference voltage Vf1=2.5V, the second reference voltage Vf2
=3V, the first voltage is 5V, and the second Initial Voltage Value is 3V, then have voltage difference Vd=2V, now has Vd=2V ＜ Vf1=2.5V
＜ Vf2=3V；Therefore, the first comparator U1 output low level and the second comparator U2 export high level, described time schedule controller
After 50 level signals receiving the first comparator U1 and described second comparator U2 output, control described second voltage output unit
20 the second magnitudes of voltage reducing output, thus increase the value of voltage difference Vd, until meeting Vf1 ＜ Vd ＜ Vf2.May be appreciated
It is that in other embodiments, described time schedule controller 50 can also control described second voltage output unit 20 and reduce output
The second magnitude of voltage, until meeting Vf1≤Vd≤Vf2.
Concrete, when meeting Vf1 ＜ Vd ＜ Vf2, the first comparator U1 output high level and the second comparator U2 output
High level, described time schedule controller 50 controls the second voltage of described second voltage output unit 20 output and keeps constant.
It is understood that when described subtraction circuit outfan connect described second comparator U2 in-phase input end and
During the inverting input of the first comparator U1, the first comparator U1 output low level and the second comparator U2 export high level, institute
State time schedule controller 50 and control the second magnitude of voltage of described second voltage output unit 20 lifting output, thus reduce voltage difference Vd
Value, until meeting Vf1 ＜ Vd ＜ Vf2.Now, the first comparator U1 output low level and the second comparator U2 export low electricity
Flat, the first comparator U1 output high level and the second comparator U2 output low level, described time schedule controller 50 controls described the
Two voltage output unit 20 promote the second magnitude of voltage reduced, thus increase the value of voltage difference Vd, until meeting Vf1 ＜ Vd ＜
Vf2.It is to say, the corresponding relation of time schedule controller 50 operation performed and the level signal received can preset,
To meet demand.
Optionally, described subtraction circuit also includes controlling end, and described time schedule controller 50 connects the control of described subtraction circuit
End processed, described first comparator U1 and described second comparator U2 output same alike result level signal (low level signal i.e. simultaneously
Or export high level signal simultaneously), described time schedule controller 50 controls described subtraction circuit and quits work.Concrete, when described
When the first comparator and described second comparator output same alike result level signal, then when meeting Vf1 ＜ Vd ＜ Vf2 condition, this
Shi Wuxu regulates the second voltage.It is to say, only when Vf1 ＜ Vd ＜ Vf2 condition is unsatisfactory for, described time schedule controller 50 is controlled
Make described subtraction circuit to start working.
It is understood that described time schedule controller 50 is respectively described by data wire SDA and clock cable SCL
One voltage output unit the 10, second voltage output unit 20 output drive signal.
The present invention also provides for a kind of display module, and this display module uses any one described display module above-mentioned to drive
Circuit.Described display module can apply to mobile phone, panel computer, television set, display, notebook computer, DPF, leads
Any electronic installations with display function such as boat instrument.
The present invention also provides for the driving method of a kind of above-mentioned display module, comprises the steps:
S001: calculating the first voltage and the voltage difference of the second voltage, wherein, described first voltage is more than described second electricity
Pressure.
Concrete, described first voltage is the common electric voltage on color membrane substrates.Described second voltage is on array base palte
Common electric voltage.Wherein, the common electric voltage on described color membrane substrates was set in the display module debugging stage, and was stored in
In memory element.It is to say, described first voltage is preset value.Generally, described first voltage is more than described second voltage.This
Described first voltage and described second voltage can be exported to subtraction circuit by invention, thus obtain voltage difference Vd of the two
(Vd ＞ 0).
S002: the voltage difference of described first voltage and described second voltage is compared with preset range.
S003: when the voltage difference of described first voltage and the second voltage is beyond preset range, regulate described second voltage,
Make the voltage difference of described first voltage and described second voltage between described preset range.
Concrete, described preset range can include first threshold and Second Threshold, and wherein, described Second Threshold is more than institute
State first threshold；When the voltage difference of described first voltage and described second voltage is less than described first threshold, reduce described the
Two voltages；
When the voltage difference of described first voltage and described second voltage is more than described Second Threshold, increased output described
Second voltage.
When the voltage difference of described first voltage and described second voltage is more than described first threshold and less than described second threshold
During value, stop calculating described first voltage and the voltage difference of described second voltage.
It is understood that in other embodiments, described preset range can also be single threshold value, such as, and can
To set when voltage difference Vd is less or greater than described threshold value, voltage difference Vd is adjusted to accordingly more than or less than this threshold value.
The present invention calculates the first voltage and the voltage difference of the second voltage, when this voltage difference is beyond preset range, adjusts
Save described second magnitude of voltage, so that described voltage difference is in described preset range, it is to avoid low GTG bright spot is repaired the best
Defect, improves the display effect of display module.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or feature
It is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is differed
Surely identical embodiment or example are referred to.And, the specific features of description, structure, material or feature can be any one
Individual or multiple embodiment or example combine in an appropriate manner.
Embodiments described above, is not intended that the restriction to this technical scheme protection domain.Any in above-mentioned enforcement
Amendment, equivalent and the improvement etc. made within the spirit of mode and principle, should be included in the protection model of this technical scheme
Within enclosing.
Claims (10)
1. one kind display module drive circuit, it is characterised in that include the first voltage output unit, the second voltage output unit,
Time schedule controller, computing unit and judging unit, described first voltage output unit and described second voltage output unit are respectively
Exporting the first voltage, the second voltage to described computing unit, wherein, described first voltage is more than described second voltage, described meter
Calculating unit receive described first voltage and described second voltage and calculate the voltage difference of the two, described computing unit is by described voltage
Difference output receives described voltage difference and compares with preset range to described judging unit, described judging unit, and judging institute
Stating voltage difference and adjust signal beyond output during preset range, described time schedule controller regulates described accordingly according to described adjustment signal
Second voltage of the second voltage output unit output so that described voltage difference is in described preset range.
2. display module drive circuit as claimed in claim 1, it is characterised in that described computing unit includes subtraction circuit,
Described subtractor includes that first input end, the second input and outfan, described first voltage output unit connect described first
Input, described second voltage output unit connects described second input, and described outfan connects described judging unit.
3. display module drive circuit as claimed in claim 2, it is characterised in that described judging unit includes the first comparator
With the second comparator, the outfan of described subtraction circuit connects the in-phase input end of described first comparator and the second comparator
Inverting input, the reverse input end of described first comparator receives the first reference voltage, and the homophase of described second comparator is defeated
Entering end and receive the second reference voltage, the outfan of described first comparator and described second comparator connects described sequencing contro
Device, wherein, described first reference voltage is not equal to described second reference voltage.
4. display module drive circuit as claimed in claim 3, it is characterised in that described subtraction circuit also includes controlling end,
Described time schedule controller connects the control end of described subtraction circuit, and described first comparator is identical with described second comparator output
Attribute level signal, described time schedule controller controls described subtraction circuit and quits work.
5. the display module drive circuit as described in claim 1 or 3, it is characterised in that described preset range includes the first threshold
Value and Second Threshold, wherein, described Second Threshold is more than described first threshold；
When judging unit determines described voltage difference less than described first threshold, it is defeated that described time schedule controller regulates described second voltage
Go out unit and reduce the second voltage of output；
When judging unit determines described voltage difference more than described Second Threshold, it is defeated that described time schedule controller regulates described second voltage
Go out unit and increase the second voltage of output.
6. a display module, it is characterised in that include the display module drive circuit described in claim 1-5 any one.
7. a display module unit driving method, it is characterised in that comprise the steps: to calculate the first voltage and the electricity of the second voltage
Pressure reduction, wherein, described first voltage is more than described second voltage；By the voltage difference of described first voltage and described second voltage with
Preset range compares；When the voltage difference of described first voltage and the second voltage is beyond preset range, regulate described second
Voltage so that the voltage difference of described first voltage and described second voltage is between described preset range.
Show module unit driving method the most as claimed in claim 7, it is characterised in that described preset range include first threshold and
Second Threshold, wherein, described Second Threshold is more than described first threshold；
When the voltage difference of described first voltage and described second voltage is less than described first threshold, reduce described second voltage；
When the voltage difference of described first voltage and described second voltage is more than described Second Threshold, increased output described second
Voltage.
Show module unit driving method the most as claimed in claim 7, it is characterised in that when described first voltage and described second electricity
When the voltage difference of pressure is more than described first threshold and less than described Second Threshold, stop calculating described first voltage and described second
The voltage difference of voltage.
Show module unit driving method the most as claimed in claim 7, it is characterised in that described first voltage is preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830290.1A CN106297711B (en) | 2016-09-18 | 2016-09-18 | Display module driving circuit, driving method and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830290.1A CN106297711B (en) | 2016-09-18 | 2016-09-18 | Display module driving circuit, driving method and display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106297711A true CN106297711A (en) | 2017-01-04 |
| CN106297711B CN106297711B (en) | 2019-04-05 |
Family
ID=57712454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830290.1A Active CN106297711B (en) | 2016-09-18 | 2016-09-18 | Display module driving circuit, driving method and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106297711B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215606A (en) * | 2018-11-12 | 2019-01-15 | 惠科股份有限公司 | Driving method, device and the computer equipment of display panel |
| CN110246468A (en) * | 2019-06-21 | 2019-09-17 | 昆山龙腾光电有限公司 | A kind of amplitude of oscillation adjustment driving device |
| US11074878B2 (en) * | 2018-07-20 | 2021-07-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Liquid crystal display |
| US11487309B2 (en) * | 2018-07-24 | 2022-11-01 | HKC Corporation Limited | Reference voltage generation system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203433462U (en) * | 2013-06-17 | 2014-02-12 | 欧姆龙株式会社 | Redundancy unit and redundant power supply system |
| CN104616614A (en) * | 2014-11-28 | 2015-05-13 | 合肥京东方光电科技有限公司 | Power-on method and device and detection method and device of display module |
| CN104851407A (en) * | 2015-06-11 | 2015-08-19 | 京东方科技集团股份有限公司 | Method and device for adjusting drive voltage of display module group |
| CN105070264A (en) * | 2015-09-07 | 2015-11-18 | 昆山龙腾光电有限公司 | Common voltage adjustment system and method of liquid crystal display panel |
| CN204855992U (en) * | 2014-12-30 | 2015-12-09 | 上海冠显光电科技有限公司 | Liquid crystal display module and liquid crystal disply device |
| KR20150142820A (en) * | 2014-06-11 | 2015-12-23 | 삼성디스플레이 주식회사 | Pixel, display device comprising the same and driving method thereof |
-
2016
- 2016-09-18 CN CN201610830290.1A patent/CN106297711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203433462U (en) * | 2013-06-17 | 2014-02-12 | 欧姆龙株式会社 | Redundancy unit and redundant power supply system |
| KR20150142820A (en) * | 2014-06-11 | 2015-12-23 | 삼성디스플레이 주식회사 | Pixel, display device comprising the same and driving method thereof |
| CN104616614A (en) * | 2014-11-28 | 2015-05-13 | 合肥京东方光电科技有限公司 | Power-on method and device and detection method and device of display module |
| CN204855992U (en) * | 2014-12-30 | 2015-12-09 | 上海冠显光电科技有限公司 | Liquid crystal display module and liquid crystal disply device |
| CN104851407A (en) * | 2015-06-11 | 2015-08-19 | 京东方科技集团股份有限公司 | Method and device for adjusting drive voltage of display module group |
| CN105070264A (en) * | 2015-09-07 | 2015-11-18 | 昆山龙腾光电有限公司 | Common voltage adjustment system and method of liquid crystal display panel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11074878B2 (en) * | 2018-07-20 | 2021-07-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Liquid crystal display |
| US11487309B2 (en) * | 2018-07-24 | 2022-11-01 | HKC Corporation Limited | Reference voltage generation system and method |
| CN109215606A (en) * | 2018-11-12 | 2019-01-15 | 惠科股份有限公司 | Driving method, device and the computer equipment of display panel |
| CN109215606B (en) * | 2018-11-12 | 2020-12-01 | 惠科股份有限公司 | Display panel driving method and device and computer equipment |
| US11257458B2 (en) | 2018-11-12 | 2022-02-22 | HKC Corporation Limited | Driving method and device for display panel |
| CN110246468A (en) * | 2019-06-21 | 2019-09-17 | 昆山龙腾光电有限公司 | A kind of amplitude of oscillation adjustment driving device |
| CN110246468B (en) * | 2019-06-21 | 2022-12-02 | 昆山龙腾光电股份有限公司 | Amplitude of oscillation adjustment drive arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106297711B (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106297711A (en) | Display module drive circuit, driving method and display module | |
| US10276076B2 (en) | Mura offset data input device and method thereof | |
| US9135871B2 (en) | Integrated circuit design method for improved testability | |
| WO2017107265A1 (en) | Backlight adjusting method, liquid crystal display apparatus, and electronic device | |
| US9269305B2 (en) | Reduced backlight turn on time | |
| CN103915071B (en) | Display panel power supply voltage regulating device and method and display device | |
| CN104269148A (en) | Liquid crystal driving circuit, liquid crystal driving method and liquid crystal display device | |
| US8674975B2 (en) | Liquid crystal display and driving method with common voltage control for avoiding flicker and color-shift phenomena | |
| CN107945753B (en) | Source drive mould group and liquid crystal display | |
| CN108020940A (en) | The display device and its driving method at visual angle can be controlled | |
| WO2020097978A1 (en) | Driving circuit of display panel and display device | |
| US20070164952A1 (en) | Apparatus and method for driving a liquid crystal display | |
| CN111223461B (en) | Voltage regulating circuit and display device | |
| CN106647072A (en) | Array substrate, liquid crystal displayer and display device | |
| US20090237340A1 (en) | Liquid crystal display module and display system including the same | |
| CN101197115A (en) | Automatic brightness regulation circuit of display equipment | |
| CN112735348A (en) | Driving circuit, driving method and display device | |
| CN101221742B (en) | Regulation method and device of display equipment | |
| TWI406235B (en) | Liquid crystal display and switching voltage controlling circuit thereof | |
| US20190073981A1 (en) | Gate driver on array driving circuit and liquid crystal display device having the same | |
| CN105448257B (en) | A kind of DC/DC power supply changeover devices being connected with liquid crystal display panel | |
| CN101777322A (en) | Liquid crystal display television system | |
| US20130278581A1 (en) | Devices and methods for pixel discharge before display turn-off | |
| KR101773489B1 (en) | Power supply apparatus and display apparatus including the same | |
| CN109509448A (en) | Eliminate the method and device of power-off ghost shadow on panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |