WO2020216213A1 - Procédé de réglage de tension pour électrode source, procédé de réglage d'affichage et support de stockage informatique - Google Patents

Procédé de réglage de tension pour électrode source, procédé de réglage d'affichage et support de stockage informatique Download PDF

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WO2020216213A1
WO2020216213A1 PCT/CN2020/085896 CN2020085896W WO2020216213A1 WO 2020216213 A1 WO2020216213 A1 WO 2020216213A1 CN 2020085896 W CN2020085896 W CN 2020085896W WO 2020216213 A1 WO2020216213 A1 WO 2020216213A1
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source electrode
voltage
sub
display
pixel
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PCT/CN2020/085896
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English (en)
Chinese (zh)
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陈秀云
何宗泽
陈宇轩
张帅
龙凤
张宇
张叶浩
肖聘
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京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Publication of WO2020216213A1 publication Critical patent/WO2020216213A1/fr

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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

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  • the present disclosure relates to the field of display technology, in particular to a source electrode voltage adjustment method, a display adjustment method and a computer storage medium.
  • the frequency of conventional display screens is 60Hz and above, while the frequency of related common low-frequency double-gate liquid crystal products needs to be reduced to about 30Hz or even lower.
  • the lower the frequency the more sensitive the human eye is to flicker perception. Therefore, Flicker requirements for low-frequency products are higher.
  • the Flicker value of a conventional display screen requires -25dB.
  • the frequency is reduced to 30Hz, the Flicker value needs to be reduced to -50dB so that the human eye will not perceive the flicker.
  • the color depth is not high, and the conventional color depth is 8 colors and 64 colors.
  • the source drive (Source) outputs two states of 0 and 1 to achieve 64color, that is, the source drive (Source) output signal switches between two state voltages (source drive high voltage VSH and source drive low voltage VSL).
  • the display screen adopts AC common electrode voltage (AC VCOM) design, and the peak voltage is the common electrode high voltage VCOMH and the common electrode low voltage VCOML.
  • a source electrode voltage adjustment method for an AC-driven display panel including: determining a first common value for driving sub-pixels of each of a plurality of pixels on the display panel Voltage, a second common voltage, and a first source electrode voltage, wherein, for the same gray scale, when the display panel is displaying a frame, the first source electrode voltage and the first common voltage are The voltage applied to the sub-pixel of each pixel; when the display panel is displaying a negative frame, the second common voltage is the voltage applied to the sub-pixel; when the display panel is displaying a positive frame, the second common voltage is applied to the display
  • the sub-pixels of each of the plurality of pixels on the panel output the determined first common voltage and the first source electrode voltage; when the negative frame of the display panel is displayed, the sub-pixels on the display panel
  • the sub-pixel outputs the determined second common voltage, determines the second source electrode voltage value that has the lowest flicker value when displaying the negative frame of the display panel under the current gray scale,
  • the determining the first common voltage, the second common voltage, and the first source electrode voltage for driving the sub-pixels of each of the plurality of pixels on the display panel includes: Grayscale, determining the positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest; for the grayscale to be displayed, when the display panel is displaying the positive frame, the first The common voltage value is set to a predetermined voltage, and the first source electrode voltage value is determined according to the brightness requirement; for the gray scale to be displayed, when the negative frame of the display panel is displayed, according to the brightness requirement and the positive and negative voltage difference, Determine a second common voltage value; for all gray scales to be displayed, determine the first source electrode voltage and the second common voltage according to the distribution of the first source electrode voltage value and the second common voltage value.
  • determining the positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest further includes: for the white display gray scale, determining the The positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest.
  • the predetermined voltage is a ground voltage.
  • the flicker value of the display panel is obtained by an optical measuring instrument.
  • the determined first common voltage, the first source electrode voltage, and the The second common voltage is debugged and burned in the memory.
  • the first source electrode voltage and the second common voltage are determined according to the distribution of the first source electrode voltage value and the second common voltage value. It includes: obtaining the first source electrode voltage value and the second common voltage value of all gray scales to be displayed; removing the abnormal value in the first source electrode voltage value and the second common voltage value respectively; and according to the remaining first source electrode voltage value and the second common voltage value; A source electrode voltage value and the second common voltage value are respectively calculated corresponding average values, and the corresponding average values are used as the determined first source electrode voltage and the second common voltage.
  • determining the second source electrode voltage value that minimizes the flicker value of the display panel under the current gray scale includes: setting different sub-pixel rows to display different gray scales in the same frame, and Output the determined first common voltage, the second common voltage, and the first source electrode voltage to the sub-pixels in each sub-pixel row; determine each gray level according to the lowest flicker value corresponding to each gray level The corresponding second source electrode voltage.
  • determining the second source electrode voltage corresponding to each gray level further includes: determining that the flicker value corresponding to the current gray level of the display panel is the lowest; measuring the sub-pixels in the positive frame display and the negative frame display under the current gray level The voltage difference between the two ends is calculated according to the voltage difference formula between the positive frame display and the negative frame display as follows:
  • ⁇ V represents the voltage difference between the positive frame display and the negative frame display in the current grayscale
  • VSH represents the first source electrode voltage
  • VSL represents the second source electrode voltage
  • VCOMH represents the first common voltage
  • VCOML represents the second Common voltage
  • represents the positive frame display pressure difference under the current gray scale
  • represents the negative frame display pressure difference under the current gray scale.
  • a display adjustment method for a display panel including: determining a gray scale to be displayed by a current sub-pixel; and determining a second source corresponding to the current gray scale according to the gray scale to be displayed Electrode voltage, wherein the second source electrode voltage is determined by the method described above; the second source electrode voltage corresponding to the current gray scale, and the determined first common voltage, second common voltage, and first source electrode voltage Input to the current sub-pixel.
  • each of the plurality of pixels in the display panel includes a first sub-pixel and a second sub-pixel, and the voltage applied to the first sub-pixel and the second sub-pixel is Combine to display a gray scale.
  • each of the plurality of pixels includes a first sub-pixel and a second sub-pixel displaying red, a first sub-pixel and a second sub-pixel displaying blue, and a first sub-pixel displaying green
  • the pixel and the second sub-pixel are applied to the first and second sub-pixels that display red, the first and second sub-pixels that display blue, and the first and second sub-pixels that display green
  • a computer storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the method for adjusting the source electrode voltage as described above is realized.
  • a computer storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the display adjustment method as described above is realized.
  • FIG. 1 is a flowchart of a method for adjusting source electrode voltage according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure
  • Fig. 3 is an equivalent circuit diagram of a sub-pixel in Fig. 2;
  • Fig. 4 is a flowchart of a display adjustment method according to an embodiment of the present disclosure.
  • Fig. 5 is a diagram of output signals of positive and negative frame source electrodes in the related art.
  • FIG. 6 is a diagram of output signals of positive and negative frame source electrodes according to an embodiment of the present disclosure.
  • pixel division design refers to dividing a pixel containing red (R), green (G) and blue (B) into N sub-pixels.
  • the black gray scale and the white gray scale are two gray scales, N
  • a combination of sub-pixels can show 2 N gray levels.
  • the combination of 2 sub-pixels can show 4 gray levels
  • the combination of 3 sub-pixels can show 8 gray levels.
  • the related source electrode (Source) output for example, the pixel voltage applied to the pixel electrode of the liquid crystal display panel
  • the Source signal can only output 0
  • Two states, VSL voltage (0 state) and VSH voltage (1 state) are fixed voltage values.
  • the voltage at both ends of the positive and negative frame liquid crystals corresponding to the slightest flicker of different display screens is different, which cannot satisfy that different display screens are at the optimum corresponding to the smallest Flicker value. Display state.
  • the source electrode voltage adjustment method of the embodiment of the present disclosure is shown in FIG. 1 and includes the following steps.
  • Step S110 Determine the first common voltage, the second common voltage and the first source electrode voltage for driving the display panel.
  • the first source electrode voltage is the voltage applied to the sub-pixels of each of the multiple pixels by the source electrode driving circuit
  • the first common voltage is the voltage applied by the common voltage applying circuit
  • the voltage applied to the sub-pixel; when the negative frame of the display panel is displayed, the second common voltage is the voltage applied to the sub-pixel through the common voltage applying circuit.
  • the display panel includes a plurality of pixels 10 and a source electrode driving circuit SOURCE for driving the plurality of pixels 10 and a common voltage applying circuit VCOM.
  • the source electrode driving circuit SOURCE provides a plurality of source terminals S to apply source voltages to corresponding sub-pixels.
  • the common voltage applying circuit VCOM applies a common voltage to the corresponding sub-pixels.
  • the pixel 10 includes a first sub-pixel 11 and a second sub-pixel 12, and both the first sub-pixel 11 and the second sub-pixel 12 include a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the display panel further includes a gate driving circuit GATE, and the gate driving circuit GATE includes a plurality of gate terminals for providing a gate voltage.
  • FIG. 3 is a schematic diagram of the driving circuit of the sub-pixel in FIG. 2.
  • the source electrode driving circuit SOURCE provides the source voltage Vs
  • the common voltage applying circuit VCOM provides the common voltage Vcom.
  • the sub-pixel driving circuit adopts a double-gate structure, and two transistors T1 and T2 are used to control the source electrode driving circuit SOURCE to provide the source voltage Vs to the liquid crystal molecules, that is, two gate signals G1 and G3 are used. To control the on and off of the two transistors T1 and T2 respectively. When the two transistors T1 and T2 are turned on, the source voltage Vs can charge the storage capacitor Cst and the liquid crystal capacitor Clc through the two transistors T1 and T2.
  • a common voltage Vcom a common voltage Vcom
  • a source driving voltage Vs to drive the liquid crystal molecules in the sub-pixel.
  • the first common voltage and the first source voltage can be used to drive the sub-pixel
  • the second common voltage and the second source voltage can be used to drive the sub-pixel Pixels.
  • VCOMH the first common voltage as VCOMH
  • VCOML the first source electrode voltage
  • VSH the second source electrode voltage
  • VSL the second source electrode voltage
  • a batch product can be tested to determine the positive and negative frame pressure difference distribution, from which the most suitable VCOMH, VCOML, and VSH, or the most suitable VCOMH, VCOML, and VSL can be determined.
  • other existing methods can also be used to determine the common voltage and the first source electrode voltage.
  • determining the first common voltage, the second common voltage, and the first source electrode voltage for driving the sub-pixels of each of the plurality of pixels on the display panel includes the following steps. First, for the gray scale to be displayed, determine the positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest. Then, for the gray scale to be displayed, when the display panel is displaying the frame, the first common voltage value is set to a predetermined voltage (for example, the ground voltage), and the first source electrode voltage value is determined according to the brightness requirement. Then, for the gray scale to be displayed, when the negative frame of the display panel is displayed, the second common voltage value is determined according to the brightness requirement and the positive and negative voltage difference. Finally, for all gray levels to be displayed, the first source electrode voltage and the second common voltage are determined according to the distribution of the first source electrode voltage value and the second common voltage value.
  • a predetermined voltage for example, the ground voltage
  • the above voltage value can be determined under a white gray scale. That is, for the white display gray scale, the positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest is determined.
  • Step S120 for any gray scale, when the display panel is displaying the positive frame, output the determined first common voltage and the first source electrode voltage to the display panel; when the display panel is displaying the negative frame, output the determined first common voltage and the first source electrode voltage to the sub-pixel on the display panel Output the determined second common voltage, determine the second source electrode voltage value with the lowest flicker value when the negative frame of the display panel is displayed under the current gray scale, and use the current second source electrode voltage value as the first corresponding to the current gray scale Two source electrode voltage.
  • determining the first common voltage, the second common voltage, and the first source electrode voltage for driving the sub-pixels of each of the plurality of pixels on the display panel includes the following steps. First, for the gray scale to be displayed, the positive and negative pressure difference between the positive frame display and the negative frame display when the flicker value of the display panel is the lowest is determined. Then, for the gray scale to be displayed, when the display panel is displaying the frame, the first common voltage value is set as the ground voltage, and the first source electrode voltage value is determined according to the brightness requirement. Of course, the first common voltage value can also be set to other predetermined voltages as required.
  • the second common voltage value is determined according to the brightness requirement and the positive and negative voltage difference.
  • the first source electrode voltage and the second common voltage are determined according to the distribution of the first source electrode voltage value and the second common voltage value.
  • the determined first common voltage, the first source electrode voltage, and the second common voltage are debugged and burned in the memory.
  • determining the first source electrode voltage and the second common voltage according to the distribution of the first source electrode voltage value and the second common voltage value further includes the following steps. First, obtain the first source electrode voltage value and the second common voltage value of all gray levels to be displayed. Then, the abnormal values in the first source electrode voltage value and the second common voltage value are eliminated respectively. Finally, according to the remaining first source electrode voltage value and the second common voltage value, the corresponding average values are respectively calculated, and the corresponding average values are used as the determined first source electrode voltage and second common voltage.
  • the following steps may be included. First, in the same frame, different sub-pixel rows are set to display different gray levels, and the determined first common voltage, second common voltage, and first source electrode voltage are output to the sub-pixels in each sub-pixel row. Then, according to the lowest flicker value corresponding to each gray level, the second source electrode voltage corresponding to each gray level is determined. In this way, the second source electrode voltages corresponding to multiple gray levels can be determined simultaneously.
  • the lowest flicker value of the display panel here means that when the positive frame and the negative frame of the display panel are displayed, for the same gray scale, the voltage difference between the two ends of the sub-pixel is the smallest, that is, the above-mentioned ⁇ V is the smallest. In this way, corresponding to the same gray scale, the brightness difference between the positive frame display and the negative frame display can be minimized, and the display screen flicker is the slightest, so it is suitable for a low-frequency double-grid display panel.
  • a display adjustment method for a display panel is also provided. As shown in FIG. 4, the method includes the following steps.
  • step S210 the gray scale to be displayed by the current sub-pixel is determined.
  • step S220 the second source electrode voltage corresponding to the current gray scale is determined according to the gray scale to be displayed.
  • the second source electrode voltage can be determined by the above-mentioned method.
  • step S230 the second source electrode voltage corresponding to the current gray scale, and the determined first common voltage, second common voltage, and first source electrode voltage are input to the sub-pixels on the display panel to display the current gray scale .
  • each of the plurality of pixels of the display panel includes a first subpixel and a second subpixel, and one gray scale is displayed by a combination of voltages applied to the first subpixel and the second subpixel.
  • a voltage of 0 (corresponding to the first brightness) is applied to the first sub-pixel
  • a voltage of 1 (corresponding to the second brightness) is applied to the second sub-pixel.
  • the two voltage combinations 01 are used to display voltages different from 0 and 1.
  • the first sub-pixel and the second sub-pixel can only achieve two gray levels of 00 and 11, and through combination, four gray levels of 00, 01, 10, and 11 can be achieved, which can increase the color depth of the display panel. Suitable for low color depth LCD panels.
  • each pixel which can show 4 gray scales as an example, adjust the current display as one of the gray scales
  • the second source electrode voltage when Flicker is optimal is the second source electrode voltage corresponding to the current gray scale.
  • the voltage difference is calculated by the positive and negative frame voltage difference formula to obtain the second source electrode voltage corresponding to the current gray scale.
  • the embodiments of the present disclosure may also provide a display module adjusted by the display adjustment method, and a liquid crystal display panel including the display module.
  • the embodiment of the present disclosure only controls one source electrode voltage to ensure that Flicker is adjusted, and the actual application operation is relatively simple.
  • Each of the plurality of pixels of the display panel in the present disclosure includes first and second sub-pixels that display red, first and second sub-pixels that display blue, and first and second sub-pixels that display green.
  • the second sub-pixel that is, one pixel includes 6 sub-pixels.
  • a gray scale is displayed by a combination of voltages applied to the first and second sub-pixels that display red, the first and second sub-pixels that display blue, and the first and second sub-pixels that display green Order.
  • 0 in the table means black and 1 means white.
  • the display is shown in Table 2.
  • the first gray-scale is realized by the first sub-pixel and the second sub-pixel of the same color, for example, the first sub-pixel of red (or green, or blue)
  • the combination of the gray level of and the gray level of the red (or green, or blue) second sub-pixel is 00.
  • the positive and negative frame voltage difference ⁇ Va of the first sub-pixel and the positive and negative frame voltage difference ⁇ Vb of the second sub-pixel are respectively:
  • the brightness difference can be measured by optical equipment (for example, using CCD luminance and color analyzer, CCD optical measuring instrument) to determine the Flicker
  • the ⁇ Va at this time is measured, and VSL1 is calculated according to the known VCOMH, VCOML, and VSH in combination with the above formula 1, that is, when the first sub-pixel displays the first gray level, the first sub-pixel corresponding to the best flicker is Two source electrode voltage VSL1.
  • VSL2 can be calculated by combining the above formula 2, that is, when the second sub-pixel displays the first gray scale, it corresponds to the second source electrode voltage VSL2 that optimizes the flicker.
  • VSL can also be determined to remain unchanged according to the foregoing method, and VSH1 and VSH2 are calculated separately, which will not be repeated here.
  • the second grayscale value its display is shown in Table 3.
  • the same pixel can be used for display or different pixels can be used for display.
  • the third and fourth sub-pixels are used for description.
  • the third sub-pixel can be the same sub-pixel as the first sub-pixel.
  • the pixel may be the same sub-pixel as the second sub-pixel.
  • the second gray scale is realized by the third sub pixel and the fourth sub pixel of the same color, for example, the gray scale of the third sub pixel of red (or green, or blue) and the fourth sub pixel of red (or green or blue).
  • the third sub-pixel positive and negative frame voltage difference ⁇ Vc and the fourth sub-pixel positive and negative frame voltage difference ⁇ Vd are respectively:
  • the third grayscale value its display is shown in Table 4.
  • the same pixel display can also be used for display with different pixels.
  • the fifth sub-pixel and the sixth sub-pixel are used for description.
  • the third gray scale is realized by the fifth sub pixel and the sixth sub pixel of the same color, for example, the combination 10 of the gray scale of the fifth sub pixel of red (or green or blue) and the gray scale of the sixth sub pixel.
  • the voltage difference ⁇ Ve across the positive and negative frames of the fifth sub-pixel and the voltage difference ⁇ Vf across the positive and negative frames of the sixth sub-pixel are respectively:
  • the fourth gray scale value its display is shown in Table 5.
  • the same pixel display can also be used for display with different pixels.
  • the seventh sub-pixel and the eighth sub-pixel are used for description.
  • the fourth gray scale is realized by the seventh sub-pixel and the eighth sub-pixel of the same color, for example, the gray scale of the seventh sub-pixel of red (or green, or blue) and the eighth of red (or green, or blue) The sub-pixel red (or green, or blue) gray scale combination 11.
  • the voltage difference ⁇ Vg across the positive and negative frames of the seventh sub-pixel and the voltage difference ⁇ Vh across the positive and negative frames of the eighth sub-pixel are respectively:
  • the gray scales of the display are L0, L1, L2, and L3. Taking the two sub-rows in each area as an example, the output information is shown in Table 6. The two sub-rows are combined into a pixel row.
  • VSL can only output 1 voltage value.
  • the four gray levels of L0, L1, L2, and L3 correspond to the Flicker optimal VSL voltages: 0.8V, 0.95V, 1.1V, and 1.2V, respectively.
  • the source output signal is optimized according to the voltage value of VSL when Flicker is optimal, and the optimized source output signal is shown in Figure 6. At this time, each screen displayed is in the optimal state of Flicker.
  • This source adjustment method can effectively solve the problem of different display screen Flickers in the original source output mode that cannot be adjusted to the optimal state at the same time.
  • the method of the embodiment of the present disclosure only needs to be adjusted once to determine the VSL value corresponding to different gray levels, and then a given voltage waveform can be displayed according to the pixel, without regular adjustment.
  • the technical solution of the present disclosure controls the Source output signal, that is, outputs different VSL voltages according to the actual displayed picture, so as to match the optimal Flicker state of each display picture, and is suitable for low-frequency, low-power, dual-gate low-color depth display schemes in.
  • a computer storage medium on which a computer program is stored, and when the computer program is executed by a processor, the above-mentioned method for adjusting the source electrode voltage of an AC-driven display panel is realized.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the above-mentioned display adjustment method for a display panel is realized.
  • Such software may be distributed on a computer-readable medium
  • the computer-readable medium may include a computer storage medium (or non-transitory medium) and a communication medium (or transitory medium).
  • the term computer storage medium includes volatile and non-volatile memory implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data).
  • Computer storage media include but are not limited to RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassette, tape, magnetic disk storage or other magnetic storage device, or Any other medium used to store desired information and that can be accessed by a computer.
  • communication media usually contain computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as carrier waves or other transmission mechanisms, and may include any information delivery media .

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Abstract

La présente invention concerne un procédé de réglage de tension pour une électrode source, un procédé de réglage d'affichage et un support de stockage informatique. Le procédé de réglage de tension pour une électrode source comprend les étapes consistant à : déterminer une première tension commune, une seconde tension commune et une première tension d'électrode source pour commander des sous-pixels de chacun des multiples pixels sur un panneau d'affichage (S110) ; tout en affichant une trame positive sur le panneau d'affichage, délivrer la première tension commune déterminée et la première tension d'électrode source aux sous-pixels de chacun des multiples pixels sur le panneau d'affichage ; tout en affichant une trame négative sur le panneau d'affichage, délivrer la seconde tension commune déterminée aux sous-pixels sur le panneau d'affichage, déterminer la seconde valeur de tension d'électrode source qui atteint la valeur de papillotement la plus faible lorsque la trame négative est affichée sur le panneau d'affichage sous une valeur d'échelle de gris actuelle, et utiliser la seconde valeur de tension d'électrode source actuelle comme seconde tension d'électrode source correspondant à la valeur d'échelle de gris actuelle (S120).
PCT/CN2020/085896 2019-04-22 2020-04-21 Procédé de réglage de tension pour électrode source, procédé de réglage d'affichage et support de stockage informatique WO2020216213A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114766049A (zh) * 2020-10-30 2022-07-19 京东方科技集团股份有限公司 显示面板的驱动方法、存储介质、驱动设备及显示设备

Families Citing this family (2)

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CN109872701B (zh) * 2019-04-22 2021-10-01 京东方科技集团股份有限公司 源电极电压调节方法、显示调节方法、显示模组和液晶屏
WO2023102996A1 (fr) * 2021-12-07 2023-06-15 惠州华星光电显示有限公司 Procédé de commande d'affichage et afficheur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004287113A (ja) * 2003-03-24 2004-10-14 Sharp Corp 液晶表示装置
US20070279362A1 (en) * 2006-06-02 2007-12-06 Innolux Display Corp. Liquid crystal display device and driving method of the same
CN104240661A (zh) * 2014-09-05 2014-12-24 京东方科技集团股份有限公司 极性反转驱动方法、极性反转驱动装置和显示设备
CN104347048A (zh) * 2014-11-21 2015-02-11 深圳市华星光电技术有限公司 液晶显示面板及其灰阶电压补偿方法
CN109872701A (zh) * 2019-04-22 2019-06-11 京东方科技集团股份有限公司 源电极电压调节方法、显示调节方法、显示模组和液晶屏

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100670045B1 (ko) * 2000-06-15 2007-01-16 삼성전자주식회사 교류형 공통 전극 전압을 이용한 액정 표시 장치
CN100489604C (zh) * 2004-12-30 2009-05-20 友达光电股份有限公司 液晶显示器及其显示方法
CN100433084C (zh) * 2005-03-28 2008-11-12 中华映管股份有限公司 显示器的辉度调整方法
KR101243817B1 (ko) * 2006-07-28 2013-03-18 엘지디스플레이 주식회사 평판표시장치와 그 데이터 다중 변조방법
CN101312020B (zh) * 2007-05-25 2012-05-23 奇美电子股份有限公司 液晶显示器及其驱动方法
KR101330353B1 (ko) * 2008-08-08 2013-11-20 엘지디스플레이 주식회사 액정표시장치와 그 구동방법
KR20150077579A (ko) * 2013-12-27 2015-07-08 삼성디스플레이 주식회사 표시 장치 및 그 구동 방법
KR20160081655A (ko) * 2014-12-31 2016-07-08 삼성디스플레이 주식회사 표시 장치, 표시 장치의 구동 방법 및 표시 장치의 잔상을 최소화하는 방법
CN105118457B (zh) * 2015-09-11 2017-12-08 昆山龙腾光电有限公司 显示面板闪烁的校正方法、校正装置
CN107065252B (zh) * 2017-05-10 2019-09-20 京东方科技集团股份有限公司 一种液晶显示面板的闪烁调试方法及装置
CN108630165B (zh) * 2018-06-29 2020-02-28 深圳市华星光电技术有限公司 一种液晶显示面板的控制电路及液晶显示面板

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004287113A (ja) * 2003-03-24 2004-10-14 Sharp Corp 液晶表示装置
US20070279362A1 (en) * 2006-06-02 2007-12-06 Innolux Display Corp. Liquid crystal display device and driving method of the same
CN104240661A (zh) * 2014-09-05 2014-12-24 京东方科技集团股份有限公司 极性反转驱动方法、极性反转驱动装置和显示设备
CN104347048A (zh) * 2014-11-21 2015-02-11 深圳市华星光电技术有限公司 液晶显示面板及其灰阶电压补偿方法
CN109872701A (zh) * 2019-04-22 2019-06-11 京东方科技集团股份有限公司 源电极电压调节方法、显示调节方法、显示模组和液晶屏

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114766049A (zh) * 2020-10-30 2022-07-19 京东方科技集团股份有限公司 显示面板的驱动方法、存储介质、驱动设备及显示设备
CN114766049B (zh) * 2020-10-30 2023-12-22 京东方科技集团股份有限公司 显示面板的驱动方法、存储介质、驱动设备及显示设备

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