CN106297711B - Display module driving circuit, driving method and display module - Google Patents
Display module driving circuit, driving method and display module Download PDFInfo
- Publication number
- CN106297711B CN106297711B CN201610830290.1A CN201610830290A CN106297711B CN 106297711 B CN106297711 B CN 106297711B CN 201610830290 A CN201610830290 A CN 201610830290A CN 106297711 B CN106297711 B CN 106297711B
- Authority
- CN
- China
- Prior art keywords
- voltage
- threshold
- display module
- difference
- output
- 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
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
The present invention provides display module driving circuit, including first voltage output unit, second voltage output unit, sequence controller, computing unit and judging unit, the first voltage output unit and the second voltage output unit export first voltage respectively, second voltage is to the computing unit, wherein, the first voltage is greater than the second voltage, the computing unit receives the first voltage and the second voltage and calculates the voltage difference of the two, the computing unit exports the voltage difference to the judging unit, the judging unit receives the voltage difference and is compared with preset range, and output adjustment signal when determining the voltage difference beyond preset range, the sequence controller accordingly adjusts the second voltage of the second voltage output unit output according to the adjustment signal, so that the voltage difference is described In preset range.Display module and driving method of the invention can be avoided low ash rank bright spot and repair bad defect, promote display effect.
Description
Technical field
The present invention relates to field of liquid crystal more particularly to a kind of display module driving circuit and display modules.
Background technique
With the progress of photoelectricity and semiconductor technology, flourishing for flat-panel screens has been driven, and it is aobvious in many planes
Show in device, liquid crystal display (liquid crystal display, LCD) because have high spatial utilization efficiency, low consumpting power,
The advantageous characteristics such as radiationless and low EMI, it has also become the mainstream in market.
In order to solve the Image sticking problems of liquid crystal display, it will usually be loaded respectively on color membrane substrates and array substrate
Different common voltages, and the common voltage on color membrane substrates is greater than the common voltage in array substrate.It is raw in display module
It during production, needs to keep the common voltage in array substrate constant, adjusts the common voltage on color membrane substrates, it is best to guarantee
Display effect.If the common voltage adjusting on color membrane substrates is larger, common voltage and array substrate on color membrane substrates will cause
On common voltage pressure difference it is excessive, cause low ash rank bright spot repair it is bad the defects of.Therefore, needing one kind can be to avoid color film base
The excessive display module of common voltage pressure difference in common voltage and array substrate on plate.
Summary of the invention
The purpose of the present invention is to provide display module driving circuit, which can be avoided the public affairs on color membrane substrates
Common voltage and the common voltage pressure difference in array substrate are excessive, improve low ash rank bright spot and repair bad defect.
Another object of the present invention is to provide a kind of display modules using above-mentioned display module driving circuit.
Another object of the present invention is to provide a kind of driving methods of above-mentioned display module.
To achieve the goals above, embodiment of the present invention provides the following technical solutions:
The present invention provides a kind of display module driving circuit, including first voltage output unit, second voltage output unit,
Sequence controller, computing unit and judging unit, the first voltage output unit and second voltage output unit difference
Export first voltage, second voltage to the computing unit, wherein the first voltage is greater than the second voltage, the meter
Calculate the voltage difference that unit receives the first voltage and the second voltage and both calculates, the computing unit is by the voltage
To the judging unit, the judging unit receives the voltage difference and is compared with preset range, and determines institute for difference output
Output adjustment signal when stating voltage difference beyond preset range, described in the sequence controller is accordingly adjusted according to the adjustment signal
The second voltage of second voltage output unit output, so that the voltage difference is in the preset range.
Wherein, the computing unit includes subtraction circuit, and the subtracter includes first input end, the second input terminal and defeated
Outlet, the first voltage output unit connect the first input end, the second voltage output unit connection described second
Input terminal, the output end connect the judging unit.
Wherein, the judging unit includes first comparator and the second comparator, the output end connection of the subtraction circuit
The inverting input terminal of the non-inverting input terminal of the first comparator and the second comparator, the reverse input end of the first comparator
Receive the first reference voltage, the non-inverting input terminal of second comparator receives the second reference voltage, the first comparator and
The output end of second comparator connects the sequence controller, wherein first reference voltage is not equal to described second
Reference voltage.
Wherein, the subtraction circuit further includes control terminal, and the sequence controller connects the control terminal of the subtraction circuit,
The first comparator and second comparator export same alike result level signal, and the sequence controller controls the subtraction
Circuit stops working.
Wherein, the preset range includes first threshold and second threshold, wherein the second threshold is greater than described first
Threshold value；
When judging unit determines that the voltage difference is less than the first threshold, the sequence controller adjusts second electricity
Output unit is pressed to reduce the second voltage of output；
When judging unit determines that the voltage difference is greater than the second threshold, the sequence controller adjusts second electricity
Press the second voltage of output unit increase output.
The present invention provides a kind of display module, wherein including display module driving circuit described in above-mentioned any one.
The present invention provides a kind of display module driving method, wherein includes the following steps: to calculate first voltage and the second electricity
The voltage difference of pressure, wherein the first voltage is greater than the second voltage；By the electricity of the first voltage and the second voltage
Pressure difference is compared with preset range；When the voltage difference of the first voltage and second voltage exceeds preset range, institute is adjusted
Second voltage is stated, so that the voltage difference of the first voltage and the second voltage is between the preset range.
Wherein, the preset range includes first threshold and second threshold, wherein the second threshold is greater than described first
Threshold value；
When the voltage difference of the first voltage and the second voltage is less than the first threshold, reduce second electricity
Pressure；
When the voltage difference of the first voltage and the second voltage is greater than the second threshold, increase described in output
Second voltage.
Wherein, when the voltage difference of the first voltage and the second voltage is greater than the first threshold and is less than described the
When two threshold values, stop the voltage difference for calculating the first voltage and the second voltage.
Wherein, the first voltage is preset value.
The embodiment of the present invention have the following advantages that or the utility model has the advantages that
The second of first voltage and second voltage the output unit output for exporting first voltage output unit in the present invention
Voltage output to computing unit calculates voltage difference, when judging unit judges the voltage difference beyond preset range, passes through timing
Controller adjusts the second voltage of second voltage output unit output, so that the voltage difference is kept away between the preset range
Exempt from low ash rank bright spot and repaired bad defect, improves the display effect of display module.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of block diagram of display module driving circuit provided in an embodiment of the present invention.
Fig. 2 is the display module driving circuit figure that another embodiment of the present invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiments shall fall within the protection scope of the present invention.
In addition, the explanation of following embodiment is referred to the additional illustration, the spy that can be used to implement to illustrate the present invention
Determine embodiment.Direction terms mentioned in the present invention, for example, "upper", "lower", "front", "rear", "left", "right", "inner",
"outside", " side " etc. are only the directions with reference to annexed drawings, and therefore, the direction term used is to more preferably, more clearly say
The bright and understanding present invention, rather than indicate or imply signified device or element and must have a particular orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, is also possible to detachably connected, or integrally connects
It connects；It can be mechanical connection；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.If this
Occur the term of " process " in specification, refers not only to independent process, when can not clearly be distinguished with other process, as long as
Effect desired by the process is able to achieve then to be also included in this term.In addition, the numerical value model indicated in this specification with "~"
Enclose the range for referring to that the numerical value for recording "~" front and back is included as minimum value and maximum value.In the accompanying drawings, structure
Similar or identical is indicated by the same numeral.
Referring to Fig. 1, Fig. 1 is a kind of block diagram of display module driving circuit provided in an embodiment of the present invention.The present embodiment
Middle display module driving circuit 100 includes first voltage output unit 10, second voltage output unit 20, computing unit 30, sentences
Disconnected unit 40 and sequence controller 50.The first voltage output unit 10 is used to provide for the color membrane substrates in display module
One voltage (as color membrane substrates offer common voltage).The second voltage output unit 20 is used for as the array in display module
Substrate provides second voltage (as array substrate offer common voltage).In general, the first voltage is greater than the second voltage.
The first voltage value that the first voltage output unit 10 exports passes through Flicker adjuster in the debugging process of display module
It presets, and is stored in a storage unit.That is, the first voltage is a preset value.
The first voltage output unit 10 exports first voltage to the computing unit 30, and the second voltage output is single
Member 20 exports second voltage to the computing unit 30.The computing unit 30 receives the first voltage and the second voltage
Afterwards, the voltage difference Vd (Vd > 0) of the first voltage Yu the second voltage is calculated, the computing unit is by the voltage difference Vd
To the judging unit 40, the judging unit 40 receives the voltage difference Vd for output, and by the voltage difference Vd and default model
It encloses and is compared.When the voltage difference Vd exceeds preset range, the 40 output adjustment signal of judging unit, the timing control
Device 50 processed accordingly adjusts the second voltage that the second voltage output unit 20 exports according to the adjustment signal, so that the electricity
Pressure difference Vd is between the preset range.
The second of first voltage and second voltage the output unit output for exporting first voltage output unit in the present invention
Voltage output to computing unit calculates voltage difference, when judging unit determines the voltage difference beyond preset range, passes through timing
Controller adjusts the second voltage of second voltage output unit output, so that the voltage difference is kept away in the preset range
Exempt from low ash rank bright spot and repaired bad defect, improves the display effect of display module.
Specifically, the preset range includes first threshold and second threshold, wherein the second threshold is greater than described the
One threshold value；When judging unit 40 determines that the voltage difference Vd is less than the first threshold, the sequence controller 50 adjusts institute
State the second voltage that second voltage output unit 20 reduces output；
When judging unit 40 determines that the voltage difference Vd is greater than the second threshold, the sequence controller 50 adjusts institute
State the second voltage of second voltage output unit increase output.
It is understood that in other embodiments, the preset range can also be single threshold value, for example, can
To set when voltage difference Vd is less or greater than the threshold value, voltage difference Vd is accordingly adjusted to be more than or less than the threshold value.
Fig. 2 is please referred to, Fig. 2 is the display module driving circuit figure that another embodiment of the present invention provides.Optionally,
The computing unit 30 includes subtraction circuit.The subtracter includes first input end, the second input terminal and output end, and described
One voltage output unit 10 connects the first input end, and the second voltage output unit 20 connects second input terminal,
The output end connects the judging unit 40.
Optionally, the judging unit 40 include first comparator U1 and the second comparator U2, the subtraction circuit it is defeated
Outlet connects the non-inverting input terminal of the first comparator U1 and the inverting input terminal of the second comparator U2, the first comparator
Reverse input end receive the first reference voltage Vf1, the non-inverting input terminal of second comparator receives the second reference voltage
Vf2, the first comparator U1 connect the sequence controller 50 with the output end of the second comparator U2, wherein described
First reference voltage Vf1 is less than the second reference voltage Vf2.It is understood that the first reference voltage Vf1 be on
The first threshold stated；The second reference voltage Vf2 is above-mentioned second threshold.
Specifically, in a specific embodiment of the invention, the first reference voltage Vf1=2.5V, the second reference voltage Vf2
=3V, first voltage 7V, second voltage initial value are 3V, then have voltage difference Vd=4V, there is Vd=4V > Vf2=3V > at this time
Vf1=2.5V；Therefore, first comparator U1 exports high level and the second comparator U2 exports low level, the sequence controller
After 50 receive the level signal of first comparator U1 and the second comparator U2 output, the sequence controller 50 controls described
Second voltage output unit 20 promotes the second voltage value of output, to reduce the value of voltage difference Vd, until meeting Vf1 < Vd <
Vf2.It is understood that in other embodiments, the sequence controller 50 can also control the second voltage output
Unit 20 promotes the second voltage value of output, until meeting Vf1≤Vd≤Vf2.
Specifically, in a specific embodiment of the invention, the first reference voltage Vf1=2.5V, the second reference voltage Vf2
=3V, first voltage 5V, second voltage initial value are 3V, then have voltage difference Vd=2V, there is Vd=2V < Vf1=2.5V at this time
< Vf2=3V；Therefore, first comparator U1 exports low level and the second comparator U2 exports high level, the sequence controller
After 50 receive the level signal of first comparator U1 and the second comparator U2 output, the second voltage output unit is controlled
20 reduce the second voltage value of output, to increase the value of voltage difference Vd, until meeting Vf1 < Vd < Vf2.It is understood that
It is that in other embodiments, the sequence controller 50, which can also control the second voltage output unit 20, reduces output
Second voltage value, until meet Vf1≤Vd≤Vf2.
Specifically, first comparator U1 exports high level and the second comparator U2 is exported when meeting Vf1 < Vd < Vf2
High level, the sequence controller 50 control the second voltage that the second voltage output unit 20 exports and remain unchanged.
It is understood that when the subtraction circuit output end connect the second comparator U2 non-inverting input terminal and
When the inverting input terminal of first comparator U1, first comparator U1 exports low level and the second comparator U2 exports high level, institute
It states sequence controller 50 and controls the second voltage value that the second voltage output unit 20 promotes output, to reduce voltage difference Vd
Value, until meet Vf1 < Vd < Vf2.At this point, first comparator U1 output low level and the low electricity of the second comparator U2 output
Flat, first comparator U1 exports high level and the second comparator U2 exports low level, and the sequence controller 50 controls described the
Two voltage output units 20 promote reduced second voltage value, to increase the value of voltage difference Vd, until meeting Vf1 < Vd <
Vf2.That is, the corresponding relationship of sequence controller 50 operation executed and the level signal received can be preset,
With meet demand.
Optionally, the subtraction circuit further includes control terminal, and the sequence controller 50 connects the control of the subtraction circuit
End processed, the first comparator U1 and the second comparator U2 output same alike result level signal (i.e. simultaneously low level signal
Or high level signal is exported simultaneously), the sequence controller 50 controls the subtraction circuit and stops working.Specifically, when described
When first comparator and second comparator output same alike result level signal, then when meeting Vf1 < Vd < Vf2 condition, this
Shi Wuxu adjusts second voltage.That is, the sequence controller 50 is controlled only when Vf1 < Vd < Vf2 condition is unsatisfactory for
The subtraction circuit is made to start to work.
It is understood that the sequence controller 50 is respectively described by data line SDA and clock cable SCL
One voltage output unit 10,20 output drive signal of second voltage output unit.
The present invention also provides a kind of display modules, and the display module is using the driving of display module described in any one of the above
Circuit.The display module can be applied to mobile phone, tablet computer, television set, display, laptop, Digital Frame, lead
Navigate any electronic devices having a display function such as instrument.
The present invention also provides a kind of driving methods of above-mentioned display module, include the following steps:
S001: the voltage difference of first voltage and second voltage is calculated, wherein the first voltage is greater than second electricity
Pressure.
Specifically, the first voltage is the common voltage on color membrane substrates.The second voltage is in array substrate
Common voltage.Wherein, the common voltage on the color membrane substrates has been set completion in the display module debugging stage, and is stored in
In storage unit.That is, the first voltage is preset value.In general, the first voltage is greater than the second voltage.This
The first voltage and the second voltage can be exported into subtraction circuit in invention, to obtain the voltage difference Vd of the two
(Vd > 0).
S002: the voltage difference of the first voltage and the second voltage is compared with preset range.
S003: when the voltage difference of the first voltage and second voltage exceeds preset range, adjusting the second voltage,
So that the voltage difference of the first voltage and the second voltage is between the preset range.
Specifically, the preset range may include first threshold and second threshold, wherein the second threshold is greater than institute
State first threshold；When the voltage difference of the first voltage and the second voltage is less than the first threshold, reduce described the
Two voltages；
When the voltage difference of the first voltage and the second voltage is greater than the second threshold, increase described in output
Second voltage.
When the voltage difference of the first voltage and the second voltage is greater than the first threshold and is less than second threshold
When value, stop the voltage difference for calculating the first voltage and the second voltage.
It is understood that in other embodiments, the preset range can also be single threshold value, for example, can
To set when voltage difference Vd is less or greater than the threshold value, voltage difference Vd is accordingly adjusted to be more than or less than the threshold value.
The voltage difference that first voltage and second voltage are calculated in the present invention is adjusted when the voltage difference exceeds preset range
Save the second voltage value so that the voltage difference in the preset range, avoid low ash rank bright spot repair it is bad
Defect improves the display effect of display module.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, the particular features, structures, materials, or characteristics of description can be any one
It can be combined in any suitable manner in a or multiple embodiment or examples.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (10)
1. a kind of display module driving circuit, which is characterized in that including first voltage output unit, second voltage output unit,
Sequence controller, computing unit and judging unit, the first voltage output unit and second voltage output unit difference
First voltage, second voltage to the computing unit are exported, the first voltage is the public of the color membrane substrates in display module
Voltage, the second voltage are the common voltage of the array substrate in display module, and the first voltage is a preset value；Its
In, the first voltage is greater than the second voltage, and the computing unit receives the first voltage and the second voltage simultaneously
The voltage difference of the two is calculated, the computing unit exports the voltage difference to the judging unit, and the judging unit receives
The voltage difference is simultaneously compared with preset range, and determines output adjustment signal when the voltage difference exceeds preset range, institute
The second voltage that sequence controller accordingly adjusts the second voltage output unit output according to the adjustment signal is stated, so that institute
Voltage difference is stated in the preset range, repairs bad defect to improve low ash rank bright spot.
2. display module driving circuit as described in claim 1, which is characterized in that the computing unit includes subtraction circuit,
The subtraction circuit includes first input end, the second input terminal and output end, the first voltage output unit connection described the
One input terminal, the second voltage output unit connect second input terminal, and the output end connects the judging unit.
3. display module driving circuit as claimed in claim 2, which is characterized in that the judging unit includes first comparator
With the second comparator, the output end of the subtraction circuit connects the non-inverting input terminal and second comparator of the first comparator
Inverting input terminal, the reverse input end of the first comparator receive the first reference voltage, second comparator it is same mutually defeated
Enter end and receive the second reference voltage, the first comparator connects the timing control with the output end of second comparator
Device, wherein first reference voltage is not equal to second reference voltage.
4. display module driving circuit as claimed in claim 3, which is characterized in that the subtraction circuit further includes control terminal,
The sequence controller connects the control terminal of the subtraction circuit, and the first comparator and the second comparator output phase are same
Attribute level signal, the sequence controller control the subtraction circuit and stop working.
5. display module driving circuit as claimed in claim 1 or 3, which is characterized in that the preset range includes the first threshold
Value and second threshold, wherein the second threshold is greater than the first threshold；
When judging unit determines that the voltage difference is less than the first threshold, it is defeated that the sequence controller adjusts the second voltage
Unit reduces the second voltage of output out；
When judging unit determines that the voltage difference is greater than the second threshold, it is defeated that the sequence controller adjusts the second voltage
The second voltage of unit increase output out.
6. a kind of display module, which is characterized in that including display module driving circuit described in claim 1-5 any one.
7. a kind of display module driving method, which comprises the steps of: calculate the electricity of first voltage and second voltage
Pressure difference, wherein the first voltage is the common voltage of the color membrane substrates in display module, and the second voltage is display module
In array substrate common voltage, the first voltage be a preset value, the first voltage be greater than the second voltage；It will
The voltage difference of the first voltage and the second voltage is compared with preset range；When the first voltage and second voltage
Voltage difference exceed preset range when, the second voltage is adjusted, so that the voltage of the first voltage and the second voltage
Difference repairs bad defect between the preset range, to improve low ash rank bright spot.
8. display module driving method as claimed in claim 7, which is characterized in that the preset range include first threshold and
Second threshold, wherein the second threshold is greater than the first threshold；
When the voltage difference of the first voltage and the second voltage is less than the first threshold, reduce the second voltage；
When the voltage difference of the first voltage and the second voltage is greater than the second threshold, increase output described second
Voltage.
9. display module driving method as claimed in claim 7, which is characterized in that the preset range include first threshold and
Second threshold, wherein the second threshold is greater than the first threshold；When the voltage of the first voltage and the second voltage
When difference is greater than the first threshold and is less than the second threshold, stop the electricity for calculating the first voltage and the second voltage
Pressure difference.
10. display module driving method as claimed in claim 7, which is characterized in that the 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 CN106297711A (en) | 2017-01-04 |
| CN106297711B true 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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036302B (en) * | 2018-07-20 | 2019-12-24 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display device with a light guide plate |
| CN109164862A (en) * | 2018-07-24 | 2019-01-08 | 惠科股份有限公司 | A kind of reference voltage generation system and production method |
| 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 |
| 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 |
Family Cites Families (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 |
| CN104616614B (en) * | 2014-11-28 | 2017-11-17 | 合肥京东方光电科技有限公司 | The powering method and device of display module, detection method and device |
| 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 |
| CN104851407B (en) * | 2015-06-11 | 2018-02-06 | 京东方科技集团股份有限公司 | A kind of method of adjustment and adjusting apparatus of display module driving voltage |
| CN105070264B (en) * | 2015-09-07 | 2017-09-26 | 昆山龙腾光电有限公司 | A kind of common electric voltage adjustment system and method for liquid crystal display panel |
-
2016
- 2016-09-18 CN CN201610830290.1A patent/CN106297711B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106297711A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106297711B (en) | Display module driving circuit, driving method and display module | |
| CN108550350B (en) | Overcurrent protection system and overcurrent protection method of liquid crystal display panel | |
| CN106125367B (en) | A kind of method and device detecting Mura offset data exception | |
| CN103123779B (en) | Display device, driving module thereof, voltage control circuit and method | |
| US10276076B2 (en) | Mura offset data input device and method thereof | |
| CN107170415B (en) | Horizontal substrate and control panel merge the LCD panel of framework and its mura repairs control method | |
| CN104269148B (en) | liquid crystal driving circuit, liquid crystal driving method and liquid crystal display device | |
| WO2019127781A1 (en) | Voltage calibration method and calibration system based on timing controller | |
| CN103258514B (en) | GOA drive circuit and drive method | |
| CN101739978B (en) | Device for automatically calibrating liquid crystal VCOM voltage value and method thereof | |
| WO2020087568A1 (en) | Display panel driving method and display panel | |
| CN111223461B (en) | Voltage regulating circuit and display device | |
| CN106847224A (en) | LCD data recording tool parallel method and system | |
| US20090237340A1 (en) | Liquid crystal display module and display system including the same | |
| CN103996369A (en) | Charge pump circuit control system, method and device, and display device | |
| CN103761953A (en) | Display control unit and display device | |
| WO2018072310A1 (en) | Array substrate, liquid crystal display, and display device | |
| CN106652940B (en) | A kind of gate driving circuit and liquid crystal display panel | |
| CN101494027A (en) | Time schedule controller and method for processing and controlling display signal | |
| CN113539137B (en) | Novel display device and display system | |
| CN106572377B (en) | The processing method and processing device of signal transmission losing lock | |
| CN202093761U (en) | Intelligent liquid crystal digital photo frame | |
| CN104537969A (en) | Method and device for recovering performance of OLED | |
| CN205104207U (en) | Voltage current regulation circuit is shaded | |
| CN109389925A (en) | Display and its dynamic driving voltage compensating method |
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 |
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. |
|
| CP01 | Change in the name or title of a patent holder |