CN102708821A - Method and device for setting common electrode voltage - Google Patents
Method and device for setting common electrode voltage Download PDFInfo
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- CN102708821A CN102708821A CN2012101550264A CN201210155026A CN102708821A CN 102708821 A CN102708821 A CN 102708821A CN 2012101550264 A CN2012101550264 A CN 2012101550264A CN 201210155026 A CN201210155026 A CN 201210155026A CN 102708821 A CN102708821 A CN 102708821A
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Crystallography & Structural Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention provides a method and device for setting the common electrode voltage, belonging to the technical field of liquid crystal display and aiming to realize the lowest flicking frequency of the picture of the liquid crystal display by regulating the common voltage under the horizontal mode and realize the optimization of the incidental image of the picture hereby. The method comprises the following steps: acquiring the optimum feedback voltage which corresponds to the lowest level of the incidental image, acquiring the first common electrode voltage of different gray scales according to the gamma reference voltage of different gray scales and the optimum feedback voltage, acquiring the average value of the first common electrode voltage according to the first common electrode voltage of different gray scales, and setting the common electrode voltage of a printed circuit board according to the average value of the first common electrode voltage. The method and device are suitable for producing and manufacturing the liquid crystal displays.
Description
Technical field
The present invention relates to field of liquid crystal display, relate in particular to a kind of establishing method and device of public electrode voltages.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display; Abbreviation TFT-LCD) has function admirable; Advantages such as the large-scale production characteristic is good, automaticity is high, and the cost of raw material is cheap have been widely used in the various electronic products at present.Constantly perfect along with lcd technology, for the good picture of LCD require increasingly high.
In the prior art, mainly be to solve film flicker for the LCD that adopts TN (Twisted Nematic, twisted nematic) pattern at present, and then avoided the generation of image retention through adjusting to common electric voltage.Mid point for the display need of TN pattern are accurately adjusted to pixel electrode positive voltage and negative voltage with common electric voltage just can be avoided film flicker, and then avoids producing damaged picture.
Regulate the common electric voltage under the horizontal electric field mode if be utilized in the method for regulating common electric voltage under the TN pattern, LCD still has the generation of damaged picture.Can not be implemented under the horizontal pattern, realize the optimization of image retention through regulating common electric voltage.
Summary of the invention
Embodiments of the invention provide a kind of establishing method and device of public electrode voltages, in order to be implemented under the horizontal pattern, to make that through regulating common electric voltage the film flicker of LCD is minimum, and then realize the purpose of the optimization of damaged picture.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of establishing method of public electrode voltages comprises: obtain the corresponding optimum feedback voltage of minimum image retention grade; Obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and optimum feedback voltage; Obtain the mean value of first public electrode voltages according to first public electrode voltages of said different GTGs, and set the public electrode voltages of printed circuit board (PCB) according to the mean value of said first public electrode voltages.
A kind of setting device of public electrode voltages comprises: optimum feedback voltage acquiring unit is used to obtain the corresponding optimum feedback voltage of minimum image retention grade; The first public electrode voltages acquiring unit is used for obtaining according to the gamma reference voltage of different GTGs and optimum feedback voltage first public electrode voltages of different GTGs; The first public electrode voltages mean value acquiring unit is used for obtaining according to first public electrode voltages of said different GTGs the mean value of first public electrode voltages; The printed circuit board (PCB) setup unit is used for the public electrode voltages according to the mean value setting printed circuit board (PCB) of said first public electrode voltages.
The embodiment of the invention provides a kind of establishing method and device of public electrode voltages; Through obtaining the corresponding optimum feedback voltage of minimum image retention grade; And obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and optimum feedback voltage, and ask for the mean value of first public electrode voltages, like this under horizontal pattern; Can make that the film flicker of LCD is minimum through regulating common electric voltage, and then realize the optimization of damaged picture.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The synoptic diagram of the establishing method of a kind of public electrode voltages that Fig. 1 provides for the embodiment of the invention;
The synoptic diagram of the establishing method of another public electrode voltages that Fig. 2 provides for the embodiment of the invention;
The structural representation of the setting device of a kind of public electrode voltages that Fig. 3 provides for the embodiment of the invention;
The structural representation of the setting device of another public electrode voltages that Fig. 4 provides for the embodiment of the invention;
The structural representation of the setting device of the another kind of public electrode voltages that Fig. 5 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of establishing method of public electrode voltages, and is as shown in Figure 1, comprising:
101, obtain the corresponding optimum feedback voltage of minimum image retention grade.
Concrete, choose a plurality of panels, and measure gamma reference voltage, public electrode voltages and the corresponding image retention grade point of under same GTG, measuring said a plurality of panels in the different time respectively.Ask for the feedback voltage of said a plurality of panels respectively according to the gamma reference voltage of measuring in the different time and public electrode voltages, and ask for the mean value of the feedback voltage of said a plurality of panels respectively according to the feedback voltage of asking in the different time.According to the image retention grade, choose the elementary panel of image retention, and with the mean value of the feedback voltage of this panel as optimum feedback voltage.
Exemplary, choose 10 panels, under 63 GTGs, measure at 1 hour 12 hours; In 48 hours, the gamma reference voltage of 10 panels, public electrode voltages and each self-corresponding image retention grade point; According to the gamma reference voltage of 10 panels, public electrode voltages calculated 10 panels at 1 hour, 12 hours; Feedback voltage in 48 hours, and calculate the mean value of 10 panels feedback voltage separately, measure and result of calculation as shown in table 1.
Table 1
Can be informed under 63 GTGs according to table 1; Through checking each self-corresponding image retention grade point of these 10 panels under the different test durations; The image retention grade point of panel A8B2 in each test duration is minimum, thus with the mean value 0.410 of the feedback voltage of panel A8B2 as optimum feedback voltage value.
Need to prove,, can be informed in same GTG according to table 1 and through certain calculating, the related coefficient under the different test durations between the mean value of residual property grade and feedback voltage, as shown in table 2.
Table 2
Can know related coefficient between scope 0.16～0.49 according to table 2, explain between feedback voltage and the image retention grade to have the degree of correlation, so can make that the image retention grade is minimum through regulating feedback voltage.
Need to prove; In example, recording is the image retention grade of 10 panels under 63 GTGs; Certainly can also record the image retention grade point of following 10 panels of other GTGs in different time; And the mean value of the feedback voltage that the image retention grade point is minimum in 10 panels panel is corresponding is as optimum feedback voltage value, and the present invention does not do qualification to this.
102, obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and said optimum feedback voltage.
Concrete, the concrete formula that calculates first public electrode voltages of different GTGs does
Wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Δ V
P1Be optimum feedback voltage, Vcom1, m are first public electrode voltages under the m GTG, and m representes different gray levels.
103, obtain the mean value of first public electrode voltages according to first public electrode voltages of said different GTGs, and set the public electrode voltages of printed circuit board (PCB) according to the mean value of said first public electrode voltages.
Concrete; Calculate first public electrode voltages of different GTGs in step 102 after; The first public electrode voltages averaged of the different GTGs that calculate is obtained the mean value of first public electrode voltages; And the public electrode voltages of printed circuit board (PCB) is set at the mean value of first public electrode voltages, so just realized under horizontal electric field mode, through regulating the generation that public electrode voltages is avoided image retention.
The embodiment of the invention provides a kind of establishing method of public electrode voltages; Through obtaining the corresponding optimum feedback voltage of minimum image retention grade; And obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and optimum feedback voltage; Ask for the mean value of first public electrode voltages according to first public electrode voltages of different GTGs; Under horizontal pattern, can make that the film flicker of LCD is minimum through regulating common electric voltage, and then realize the optimization of damaged picture like this.
As shown in Figure 2, the embodiment of the invention provides the establishing method of another kind of public electrode voltages, comprising:
201, obtain the gamma reference voltage and second public electrode voltages of the said different GTGs of printed circuit board (PCB).
Need to prove; First public electrode voltages is asked for according to optimum feedback voltage; The mean value of first public electrode voltages is the public electrode voltages of the printed circuit board (PCB) optimum that will be provided with, and second public electrode voltages is that printed circuit board (PCB) is provided with the public electrode voltages before the optimum public electrode voltages.
202, obtain the feedback voltage of the different GTGs of said printed circuit board (PCB) according to the gamma reference voltage of said different GTGs and second public electrode voltages.
Need to prove that the feedback voltage of different GTGs is to be determined by the gamma reference voltage of the different GTGs of printed circuit board (PCB) and second public electrode voltages.
Concrete, the concrete formula of the feedback voltage of the different GTGs of calculating printed circuit board (PCB) is:
Wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Vcom2 is second public electrode voltages, said Δ V
P, mBe the feedback voltage under the m GTG of asking for, m representes different gray levels.
203, obtain the mean value of said feedback voltage according to the feedback voltage of said different GTGs.
Concrete, in step 202, calculate the feedback voltage of different GTGs and the feedback voltage averaged of the different GTGs that will calculate.
204, obtain the corresponding optimum feedback voltage of minimum image retention grade.
Concrete, identical with step 101, do not give unnecessary details at this.
205, judge whether the mean value of said feedback voltage equates with said optimum feedback voltage.
Concrete, compare according to the feedback voltage of the optimum that obtains in the mean value of the feedback voltage of the different GTGs of asking in the step 203 and the step 204, judge whether the mean value of said feedback voltage equates with said optimum feedback voltage.
If the mean value and the optimum feedback voltage of feedback voltage are unequal, then execution in step 206 and 207.
If the mean value of feedback voltage equates that with optimum feedback voltage then the public electrode voltages of printed circuit board (PCB) is optimum public electrode voltages at this moment, need not set.
206, obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and said optimum feedback voltage.
Concrete, under the mean value and the unequal situation of said optimum feedback voltage of said feedback voltage, obtain first public electrode voltages of different GTGs according to the gamma reference voltage and the said optimum feedback voltage of different GTGs.Wherein, the process of first public electrode voltages of obtaining different GTGs according to the gamma reference voltage and the said optimum feedback voltage of different GTGs is identical with step 102, does not give unnecessary details at this.
207, obtain the mean value of first public electrode voltages according to first public electrode voltages of said different GTGs, and set the public electrode voltages of printed circuit board (PCB) according to the mean value of said first public electrode voltages.
Concrete, identical with step 103, do not give unnecessary details at this.
Need to prove that the order of step 201 to step 203 and step 204 is fixing, step 204 can be after step 201 to step 203, also can be before step 201 to step 203, and the present invention does not do qualification to this.
Take said method, show to drive liquid crystal according to public electrode voltages of setting and pixel electrode formation electric field.
The embodiment of the invention provides a kind of establishing method of public electrode voltages; Through obtaining the corresponding optimum feedback voltage of minimum image retention grade; And obtain the gamma reference voltage and second public electrode voltages of the different GTGs of printed circuit board (PCB), ask for the feedback voltage of different GTGs according to the gamma reference voltage of different GTGs with second public electrode voltages, and obtain the mean value of feedback voltage; Whether the mean value of judging feedback voltage equates with optimum feedback voltage; If equate then not set the public electrode voltages of this P.e.c., if unequal, then obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and the feedback voltage of optimum; Ask for the mean value of first public electrode voltages according to first public electrode voltages of different GTGs; Under horizontal pattern, can make that the film flicker of LCD is minimum through regulating common electric voltage, and then realize the optimization of damaged picture like this.
The embodiment of the invention provides a kind of setting device of public electrode voltages, and is as shown in Figure 3, comprising:
Optimum feedback voltage acquiring unit 301 is used to obtain the corresponding optimum feedback voltage of minimum image retention grade.
The first public electrode voltages acquiring unit 302 is used for obtaining according to the gamma reference voltage of different GTGs and said optimum feedback voltage first public electrode voltages of different GTGs.
Wherein, the first public electrode voltages acquiring unit 302 specifically is used for, according to formula
Obtain first public electrode voltages of different GTGs, wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Δ V
P1Be optimum feedback voltage, Vcom1, m are first public electrode voltages under the m GTG, and m representes different gray levels
The first public electrode voltages mean value acquiring unit 303 is used for obtaining according to first public electrode voltages of said different GTGs the mean value of first public electrode voltages.
Printed circuit board (PCB) setup unit 304 is used for the public electrode voltages according to the mean value setting printed circuit board (PCB) of said first public electrode voltages.
Said apparatus, as shown in Figure 4, also comprise:
The gamma reference voltage and the second public electrode voltages acquiring unit 305 are used to obtain the gamma reference voltage and second public electrode voltages of the said different GTGs of printed circuit board (PCB).
Feedback voltage acquiring unit 306 is used for obtaining according to the gamma reference voltage of said different GTGs and second public electrode voltages feedback voltage of the different GTGs of said printed circuit board (PCB).
Wherein, feedback voltage acquiring unit 306 specifically is used for, according to formula
Obtain the feedback voltage of different GTGs, wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Vcom2 is second public electrode voltages, said Δ V
P, mBe the feedback voltage under the m GTG of asking for, m representes different gray levels.
Feedback voltage mean value acquiring unit 307 is used for obtaining according to the feedback voltage of said different GTGs the mean value of said feedback voltage.
Judging unit 308 is used to judge whether the mean value of said feedback voltage equates with said optimum feedback voltage.
The said first public electrode voltages acquiring unit specifically is used for; Under the mean value and the unequal situation of said optimum feedback voltage of said feedback voltage, obtain first public electrode voltages of different GTGs according to the gamma reference voltage and the said optimum feedback voltage of different GTGs.
Said apparatus, as shown in Figure 5, also comprise:
The embodiment of the invention provides a kind of setting device of public electrode voltages; Through obtaining the corresponding optimum feedback voltage of minimum image retention grade; And obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and optimum feedback voltage; Ask for the mean value of first public electrode voltages according to first public electrode voltages of different GTGs; Under horizontal pattern, can make that the film flicker of LCD is minimum through regulating common electric voltage, and then realize the optimization of damaged picture like this.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of said claim.
Claims (11)
1. the establishing method of a public electrode voltages is characterized in that, comprising:
Obtain the corresponding optimum feedback voltage of minimum image retention grade;
Obtain first public electrode voltages of different GTGs according to the gamma reference voltage of different GTGs and said optimum feedback voltage;
Obtain the mean value of first public electrode voltages according to first public electrode voltages of said different GTGs, and set the public electrode voltages of printed circuit board (PCB) according to the mean value of said first public electrode voltages.
2. method according to claim 1 is characterized in that,, also comprises with before said optimum feedback voltage obtains first public electrode voltages of different GTGs at said gamma reference voltage according to different GTGs:
Obtain the gamma reference voltage and second public electrode voltages of the said different GTGs of printed circuit board (PCB);
Obtain the feedback voltage of the different GTGs of said printed circuit board (PCB) according to the gamma reference voltage of said different GTGs and second public electrode voltages;
Obtain the mean value of said feedback voltage according to the feedback voltage of said different GTGs.
3. method according to claim 2; It is characterized in that; With before said optimum feedback voltage obtains first public electrode voltages of different GTGs, said obtaining after the corresponding optimum feedback voltage of minimum image retention grade also comprises at said gamma reference voltage according to different GTGs:
Whether the mean value of judging said feedback voltage equates with said optimum feedback voltage;
Under the mean value and the unequal situation of said optimum feedback voltage of said feedback voltage, obtain first public electrode voltages of different GTGs according to the gamma reference voltage and the said optimum feedback voltage of different GTGs.
4. method according to claim 3 is characterized in that, if the mean value of said feedback voltage equates with said optimum feedback voltage, does not then set the public electrode voltages of said printed circuit board (PCB).
5. method according to claim 2 is characterized in that, the concrete formula of feedback voltage that said gamma reference voltage according to said different GTGs and second public electrode voltages are obtained the different GTGs of said printed circuit board (PCB) is:
Wherein,
Gp, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Vcom2 is second public electrode voltages, said Δ V
P, mBe the feedback voltage under the m GTG of asking for, m representes different gray levels.
6. according to each described method of claim 1-5, it is characterized in that said gamma reference voltage according to different GTGs with the concrete formula that optimum feedback voltage obtains first public electrode voltages of different GTGs is:
Wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Δ V
P1Be optimum feedback voltage, Vcom1, m are first public electrode voltages under the m GTG, and m representes different gray levels.
7. the setting device of a public electrode voltages is characterized in that, comprising:
Optimum feedback voltage acquiring unit is used to obtain the corresponding optimum feedback voltage of minimum image retention grade;
The first public electrode voltages acquiring unit is used for obtaining according to the gamma reference voltage of different GTGs and said optimum feedback voltage first public electrode voltages of different GTGs;
The first public electrode voltages mean value acquiring unit is used for obtaining according to first public electrode voltages of said different GTGs the mean value of first public electrode voltages;
The printed circuit board (PCB) setup unit is used for the public electrode voltages according to the mean value setting printed circuit board (PCB) of said first public electrode voltages.
8. device according to claim 7 is characterized in that, also comprises:
The gamma reference voltage and the second public electrode voltages acquiring unit are used to obtain the gamma reference voltage and second public electrode voltages of the said different GTGs of printed circuit board (PCB);
The feedback voltage acquiring unit is used for obtaining according to the gamma reference voltage of said different GTGs and second public electrode voltages feedback voltage of the different GTGs of said printed circuit board (PCB);
Feedback voltage mean value acquiring unit is used for obtaining according to the feedback voltage of said different GTGs the mean value of said feedback voltage;
Judging unit, whether the mean value that is used for said feedback voltage equates with said optimum feedback voltage;
The said first public electrode voltages acquiring unit specifically is used for; Under the mean value and the unequal situation of said optimum feedback voltage of said feedback voltage, obtain first public electrode voltages of different GTGs according to the gamma reference voltage and the said optimum feedback voltage of different GTGs.
9. device according to claim 8 is characterized in that, also comprises:
End unit is used for equating with said optimum feedback voltage according to the mean value of the said feedback voltage of judging unit, then the public electrode voltages of the said printed circuit board (PCB) of end setup.
10. device according to claim 8 is characterized in that, said feedback voltage mean value acquiring unit specifically is used for, according to formula
Obtain the feedback voltage of different GTGs, wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Vcom2 is second public electrode voltages, said Δ V
P, mBe the feedback voltage under the m GTG of asking for, m representes different gray levels.
11., it is characterized in that the said first public electrode voltages acquiring unit specifically is used for, according to formula according to each described device of claim 7-10
Obtain first public electrode voltages of different GTGs, wherein, G
P, mBe the positive voltage of the gamma reference voltage under the m GTG, G
N, mBe the negative voltage of the gamma reference voltage under the m GTG, Δ V
P1Be optimum feedback voltage, Vcom1, m are first public electrode voltages under the m GTG, and m representes different gray levels.
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| CN201210155026.4A CN102708821B (en) | 2012-05-17 | 2012-05-17 | Method and device for setting common electrode voltage |
| PCT/CN2012/083715 WO2013170588A1 (en) | 2012-05-17 | 2012-10-29 | Common electrode voltage setting method and device |
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| CN201210155026.4A CN102708821B (en) | 2012-05-17 | 2012-05-17 | Method and device for setting common electrode voltage |
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| WO2013170588A1 (en) * | 2012-05-17 | 2013-11-21 | 京东方科技集团股份有限公司 | Common electrode voltage setting method and device |
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| CN105096855A (en) * | 2015-07-22 | 2015-11-25 | 深圳市华星光电技术有限公司 | Common voltage adjusting device for liquid crystal panel and common voltage adjusting method for liquid crystal panel |
| CN105185340A (en) * | 2015-10-09 | 2015-12-23 | 昆山龙腾光电有限公司 | Common voltage adjustment device and method |
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| CN114005419A (en) * | 2021-10-29 | 2022-02-01 | 绵阳惠科光电科技有限公司 | Adjusting method for flicker of display panel, display panel and display device |
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2012
- 2012-05-17 CN CN201210155026.4A patent/CN102708821B/en not_active Expired - Fee Related
- 2012-10-29 WO PCT/CN2012/083715 patent/WO2013170588A1/en active Application Filing
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| WO2013170588A1 (en) * | 2012-05-17 | 2013-11-21 | 京东方科技集团股份有限公司 | Common electrode voltage setting method and device |
| US9773938B2 (en) | 2012-06-18 | 2017-09-26 | Beijing Boe Optoelectronics Technology Co., Ltd. | Manufacturing method of an amorphous-silicon flat-panel X-ray sensor |
| CN103295550A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Method and device for determining driving voltages |
| US10019960B2 (en) | 2013-05-31 | 2018-07-10 | Beijing Boe Display Technology Co., Ltd. | Method and apparatus for determining driving voltages |
| CN103531168A (en) * | 2013-10-24 | 2014-01-22 | 京东方科技集团股份有限公司 | Adjusting device and adjusting method of development performance |
| CN103531168B (en) * | 2013-10-24 | 2015-12-30 | 京东方科技集团股份有限公司 | The adjusting gear of video picture performance and method |
| CN105741795B (en) * | 2014-12-31 | 2019-12-31 | 三星显示有限公司 | Display device, method of driving the same, and method of minimizing afterimage thereof |
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| US10535315B2 (en) | 2014-12-31 | 2020-01-14 | Samsung Display Co., Ltd. | Display device, method for driving display device and method for minimizing afterimage of display device |
| CN105096855A (en) * | 2015-07-22 | 2015-11-25 | 深圳市华星光电技术有限公司 | Common voltage adjusting device for liquid crystal panel and common voltage adjusting method for liquid crystal panel |
| US9898954B2 (en) | 2015-07-22 | 2018-02-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Liquid crystal panel common electrode voltage adjustment device and liquid crystal panel common electrode voltage adjustment method |
| CN105185340A (en) * | 2015-10-09 | 2015-12-23 | 昆山龙腾光电有限公司 | Common voltage adjustment device and method |
| WO2018205953A1 (en) * | 2017-05-10 | 2018-11-15 | 京东方科技集团股份有限公司 | Flicker debugging method and apparatus for liquid crystal display panel |
| CN107065252A (en) * | 2017-05-10 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of flicker debugging method and device of liquid crystal display panel |
| CN107591137A (en) * | 2017-09-15 | 2018-01-16 | 惠科股份有限公司 | Display device and driving method thereof |
| CN110364124A (en) * | 2018-04-11 | 2019-10-22 | 立锜科技股份有限公司 | Liquid crystal display and its gamma voltage bearing calibration |
| CN109166505A (en) * | 2018-10-23 | 2019-01-08 | 惠科股份有限公司 | Display panel detection method and device and display device |
| CN114005419A (en) * | 2021-10-29 | 2022-02-01 | 绵阳惠科光电科技有限公司 | Adjusting method for flicker of display panel, display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102708821B (en) | 2014-02-19 |
| WO2013170588A1 (en) | 2013-11-21 |
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