CN105388649A - LCD screen visual angle color cast compensation method - Google Patents
LCD screen visual angle color cast compensation method Download PDFInfo
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- CN105388649A CN105388649A CN201511003613.1A CN201511003613A CN105388649A CN 105388649 A CN105388649 A CN 105388649A CN 201511003613 A CN201511003613 A CN 201511003613A CN 105388649 A CN105388649 A CN 105388649A
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- visual angle
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000000007 visual effect Effects 0.000 title claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000005251 gamma ray Effects 0.000 abstract 4
- 230000002087 whitening effect Effects 0.000 abstract 1
- 241000276489 Merlangius merlangus Species 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention discloses an LCD screen visual angle color cast compensation method which comprises the steps of front view measurement, front view calculation, side view measurement, side view calculation, compensation calculation, correction calculation and adjustment. A compensation gamma ray curve is obtained by comparing a front view local gamma ray curve with a side view local gamma ray curve, the front view gamma ray curve is adjusted, and therefore the large visual angle color cast whitening phenomenon of an LCD screen is obviously relieved.
Description
Technical field
The invention relates to a kind of compensation method, relate to a kind of compensation method of visual angle colour cast of lcd screen especially.
Background technology
Due to liquid crystal display (LiquidCrystalDisplay, hereinafter referred to as LCD) screen has energy-conserving and environment-protective, the advantage such as light, be widely used on the field of display and promote at present, wherein vertically align (Vertical-alignment, the product design of lcd screen VA), because described lcd screen has higher contrast and response speed faster, and then obtain the generally accreditation on market.But, the lcd screen of vertical alignment and transverse electric field effect display technique (InPlaneSwitchingLiquidCrystal, IPS) design of display is compared, the lcd screen of vertical alignment has natural defect, that is exactly that colour cast (colorshift) phenomenon is more serious with great visual angle, this defect is that the design of the lcd screen of vertically alignment is intrinsic, and the phenomenon that the colour cast with great visual angle of described lcd screen is low also cannot be eliminated completely.
Therefore, be necessary to improve the lcd screen of prior art, with the problem that the colour cast with great visual angle solving prior art is low.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of compensation method of visual angle colour cast of lcd screen, face difference that the local gamma curve of local gamma curve and described side-looking obtains described in utilizing relatively and obtain described compensation gamma curve, face gamma curve adjustment to described, and then make the whiting of colour cast with great visual angle of described lcd screen obtain obviously improvement.
For reaching above-mentioned object, one embodiment of the invention provides a kind of compensation method of visual angle colour cast of lcd screen, comprises step one and faces measuring process, and face calculation procedure, a side-looking measuring process, a side-looking calculation procedure, a compensation calculation step, a corrected Calculation step and a regulating step.Described measuring process of facing is that face one of a central point of measurement one lcd screen faces gamma curve, such as, use an instrument to measure; Described calculation procedure of facing obtains one face local gamma curve by facing gamma curve described in calculating; Described side-looking measuring process is a side-looking gamma curve of the side-looking of the central point measuring described lcd screen, and wherein side apparent direction forms a side-looking angle α relative to a normal of a central point of described lcd screen; Described side-looking calculation procedure obtains the local gamma curve of a side-looking by calculating described side-looking gamma curve; Described compensation calculation step faces local gamma curve and described side-looking local gamma curve acquisition one compensation gamma curve described in calculating; Described corrected Calculation step obtains a correction gamma curve by calculating described compensation gamma curve; Described regulating step regulates described lcd screen, such as, regulates when utilizing a probe vertical to contact described lcd screen, faces gamma curve and be adjusted to and meet described correction gamma curve described in making.
In one embodiment of this invention, gamma curve is faced described in corresponding with GTG numerical value 0 to 255.
In one embodiment of this invention, the formula facing local gamma curve described in is:
Wherein Zn is for facing the n-th gray-scale intensity, and Z0 is for facing minimum brightness, and Z255 is for facing high-high brightness, and n is the integer of 0 to 255.
In one embodiment of this invention, described side-looking gamma curve is corresponding with GTG numerical value 0 to 255.
In one embodiment of this invention, the formula of the local gamma curve of described side-looking is:
Wherein Cn is side-looking n-th gray-scale intensity, and C0 is side-looking minimum brightness, and C255 is side-looking high-high brightness, and n is the integer of 0 to 255.
In one embodiment of this invention, the formula of described compensation gamma curve is:
Bn＝2×(Zn-Cn)；
Wherein Bn be compensate after face local gamma curve.
In one embodiment of this invention, the formula of described correction gamma curve is:
Ln＝(Z255-Z0)×(n/255)^Bn+Z0；
Wherein Ln is the brightness of the n-th GTG after compensating.
In one embodiment of this invention, described side-looking angle α is between 0 to 60 degree.
As mentioned above, for the compensation of the visual angle colour cast of described lcd screen, especially the vertically lcd screen of alignment, face difference that the local gamma curve of local gamma curve and described side-looking obtains relatively and obtain described compensation gamma curve, and recalculate described correction gamma curve according to described compensation gamma curve, by described face the reverse compensation of gamma curve and be adjusted to consistent with described correction gamma curve after, described side-looking gamma curve faces gamma curve described in more close, and then make the whiting of colour cast with great visual angle of described lcd screen obtain obviously improvement.
Accompanying drawing explanation
Fig. 1 is a process flow diagram of a preferred embodiment of the compensation method of the visual angle colour cast of lcd screen of the present invention.
Fig. 2 is facing local gamma curve, the local gamma curve of side-looking and revising the local gamma value of gamma curve and a graph of a relation of GTG numerical value of a preferred embodiment of the compensation method of the visual angle colour cast of lcd screen of the present invention.
Fig. 3 is the correction gamma curve of a preferred embodiment of the compensation method of the visual angle colour cast of lcd screen of the present invention and faces brightness and GTG numerical value one graph of a relation of gamma curve.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.Moreover, the direction term that the present invention mentions, such as upper and lower, top, the end, front, rear, left and right, inside and outside, side, surrounding, central authorities, level, transverse direction, vertical, longitudinal direction, axis, radial direction, the superiors or orlop etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
Please refer to shown in Fig. 1, for liquid crystal display (LiquidCrystalDisplay of the present invention, hereinafter referred to as LCD) preferred embodiment of the compensation method of the visual angle colour cast of screen, in order to vertical alignment (Vertical-alignment, the visual angle colour cast of lcd screen VA) compensates, the compensation method of the visual angle colour cast of wherein said lcd screen comprises step one and faces measuring process S201, one faces calculation procedure S202, one side-looking measuring process S203, one side-looking calculation procedure S204, one compensation calculation step S205, an one corrected Calculation step S206 and regulating step S207.Be noted that in the present embodiment, described compensation method first carry out described in face measuring process S201 and described in face calculation procedure S202, then carry out described side-looking measuring process S203 and described side-looking calculation procedure S204 again; In other embodiments, above-mentioned compensation method also first can carry out described side-looking measuring process S203 and described side-looking calculation procedure S204, then carries out facing measuring process S201, and face calculation procedure S202, and its order not limited to the exposure of the present embodiment.The present invention is by hereafter describing the detail structure of the above-mentioned each assembly of each embodiment, assembled relation and operation principles thereof in detail.
Continuous with reference to shown in Fig. 1, facing in measuring process S201, the described measuring process S201 that faces is that use one instrument is measured the lcd screen (not illustrating) that vertically aligns with a direction faced, and then face one of a central point of described lcd screen faced by obtaining faces gamma (gamma) curve Lo, the wherein said gamma curve Lo that faces is brightness curve, and corresponding with GTG numerical value 0 to 255.
Please refer to shown in Fig. 1 and 2, facing in calculation procedure S202, the described calculation procedure S202 that faces obtains one face local gamma (Localgamma) curve L1 by facing gamma curve Lo described in calculating, described in face local gamma curve L1 formula be:
Wherein Zn is for facing the n-th gray-scale intensity, and Z0 is for facing minimum brightness, and Z255 is for facing high-high brightness, and n is the integer of 0 to 255.
Continuous with reference to shown in Fig. 1, in side-looking measuring process S203, described side-looking measuring process S203 uses described instrument to measure described lcd screen with side apparent direction, and then side-looking gamma (gamma) curve of the side-looking of the central point of described lcd screen faced by obtaining, wherein said side-looking gamma curve is brightness curve, and corresponding with GTG numerical value 0 to 255.In addition, described side-looking direction forms a side-looking angle α relative to a normal of the central point of described lcd screen, and in the present embodiment, described side-looking angle α is 45 degree (see Fig. 2), in other embodiments, the angle of described side-looking angle α can between 0 to 60 degree.
Continuous with reference to shown in Fig. 1 and 2, in side-looking calculation procedure S204, described side-looking calculation procedure S204 obtains the local gamma curve L2 of a side-looking by calculating described side-looking gamma curve, and the formula of the local gamma curve L2 of described side-looking is:
Wherein Cn is side-looking n-th gray-scale intensity, and C0 is side-looking minimum brightness, and C255 is side-looking high-high brightness, and n is the integer of 0 to 255.
Continuous with reference to shown in Fig. 1, in compensation calculation step S205, described compensation calculation step S205 obtains L2 obtain a compensation gamma curve by facing local gamma curve L1 and the local gamma curve of described side-looking described in calculating, and the formula of described compensation gamma curve is:
Bn＝2×(Zn-Cn)；
Wherein Bn be compensate after face local gamma curve.
Continuous with reference to shown in Fig. 1, in corrected Calculation step S206, described corrected Calculation step S206 obtains a correction gamma curve L3 by calculating described compensation gamma curve, and the formula of described correction gamma curve L3 is:
Ln＝(Z255-Z0)×(n/255)^Bn+Z0；
Wherein Ln is the brightness of the n-th GTG after compensating.
Please refer to shown in Fig. 1 and 3, in regulating step S207, described regulating step S207 utilizes a probe vertical to contact and aims at described lcd screen, and described lcd screen is regulated, faces gamma curve Lo described in making and adjust (reverse compensation) to meeting described correction gamma curve L3.Be noted that, the mode of described adjustment is according to brightness corresponding to 0 to 255 GTG numerical value and standard gamma curve (gamma value is 2.2), calculate multiple GTG and tie up a brightness of corresponding theoretical value, and then regulation voltage, current brightness is adjusted to the brightness of theoretical value, the wherein said GTG numerical value tied up a little is 0,1,31,127,223,254 and 255.
As mentioned above, for the compensation of the visual angle colour cast of described lcd screen, especially the vertically lcd screen of alignment, face the local gamma curve of local gamma curve L1 and described side-looking relatively obtain the difference of L2 and obtain described compensation gamma curve, and recalculate described correction gamma curve L3 according to described compensation gamma curve, by described face the reverse compensation of gamma curve Lo and be adjusted to consistent with described correction gamma curve L3 after, described side-looking gamma curve faces gamma curve Lo described in more close, and then make the whiting of colour cast with great visual angle of described lcd screen obtain obviously improvement.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that published embodiment limit the scope of the invention.On the contrary, be contained in the spirit of claims and the amendment of scope and impartial setting to be included in scope of the present invention.
Claims (8)
1. a compensation method for the visual angle colour cast of lcd screen, is characterized in that: described method comprises step:
One faces measuring process, and measure a central point of a lcd screen face one faces gamma curve;
One faces calculation procedure, obtains one face local gamma curve by facing gamma curve described in calculating;
One side-looking measuring process, measures a side-looking gamma curve of the side-looking of the central point of described lcd screen,
Wherein side apparent direction forms a side-looking angle α relative to a normal of a central point of described lcd screen;
One side-looking calculation procedure, obtains the local gamma curve of a side-looking by calculating described side-looking gamma curve;
One compensation calculation step, faces local gamma curve and described side-looking local gamma curve acquisition one compensation gamma curve described in calculating;
One corrected Calculation step, obtains a correction gamma curve by calculating described compensation gamma curve; And
One regulating step, regulates described lcd screen, faces gamma curve and be adjusted to and meet described correction gamma curve described in making.
2. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 1, is characterized in that: described in face gamma curve corresponding with GTG numerical value 0 to 255.
3. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 2, is characterized in that: described in face local gamma curve formula be:
Wherein Zn is for facing the n-th gray-scale intensity, and Z0 is for facing minimum brightness, and Z255 is for facing high-high brightness, and n is the integer of 0 to 255.
4. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 3, is characterized in that: described side-looking gamma curve is corresponding with GTG numerical value 0 to 255.
5. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 4, is characterized in that: the formula of the local gamma curve of described side-looking is:
Wherein Cn is side-looking n-th gray-scale intensity, and C0 is side-looking minimum brightness, and C255 is side-looking high-high brightness, and n is the integer of 0 to 255.
6. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 5, is characterized in that: the formula of described compensation gamma curve is:
Bn＝2×(Zn-Cn)；
Wherein Bn be compensate after face local gamma curve.
7. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 6, is characterized in that: the formula of described correction gamma curve is:
Ln＝(Z255-Z0)×(n/255)^Bn+Z0；
Wherein Ln is the brightness of the n-th GTG after compensating.
8. the compensation method of the visual angle colour cast of lcd screen as claimed in claim 1, is characterized in that: described side-looking angle α is for spending between 0 to 60.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511003613.1A CN105388649B (en) | 2015-12-28 | 2015-12-28 | The compensation method of the visual angle colour cast of LCD screen |
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| CN201511003613.1A CN105388649B (en) | 2015-12-28 | 2015-12-28 | The compensation method of the visual angle colour cast of LCD screen |
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| CN105388649B CN105388649B (en) | 2018-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251822A (en) * | 2016-09-27 | 2016-12-21 | 南京中电熊猫液晶显示科技有限公司 | A kind of colour cast control method of liquid crystal display |
| CN107068096A (en) * | 2017-05-11 | 2017-08-18 | 京东方科技集团股份有限公司 | Gamma voltage compensation systems, method and display device |
| WO2018103170A1 (en) * | 2016-12-08 | 2018-06-14 | 深圳市华星光电技术有限公司 | Drive method for display panel, drive device and display device |
| CN108320716A (en) * | 2018-01-10 | 2018-07-24 | 惠科股份有限公司 | Driving method and device of display panel |
| CN108335678A (en) * | 2018-01-10 | 2018-07-27 | 惠科股份有限公司 | Driving method and device of display panel |
| CN109147712A (en) * | 2018-10-08 | 2019-01-04 | 惠州市华星光电技术有限公司 | A kind of method and system for the visual angle colour cast improving display panel |
| CN109300434A (en) * | 2018-10-31 | 2019-02-01 | 上海天马微电子有限公司 | Display device and adjusting method of viewing angle chromatic aberration thereof |
| CN109410871A (en) * | 2018-12-12 | 2019-03-01 | 惠科股份有限公司 | Display device and display control method |
| WO2019041398A1 (en) * | 2017-08-28 | 2019-03-07 | 惠科股份有限公司 | Display device viewing angle compensation calculation method, viewing angle compensation structure and display device |
| CN109729331A (en) * | 2018-12-29 | 2019-05-07 | 深圳Tcl新技术有限公司 | Display screen color regards solution, TV, computer readable storage medium and system |
| CN111192560A (en) * | 2018-11-14 | 2020-05-22 | 三星显示有限公司 | display screen |
| CN111292697A (en) * | 2020-03-27 | 2020-06-16 | Tcl华星光电技术有限公司 | Method for improving color cast of display device |
| CN111796440A (en) * | 2020-07-07 | 2020-10-20 | Tcl华星光电技术有限公司 | Adjusting method and device of display panel |
| WO2020258879A1 (en) * | 2019-06-27 | 2020-12-30 | 昆山国显光电有限公司 | Display apparatus |
| CN112767891A (en) * | 2021-01-20 | 2021-05-07 | Tcl华星光电技术有限公司 | Mura compensation method, display panel and display device |
| CN116631350A (en) * | 2023-05-26 | 2023-08-22 | 惠科股份有限公司 | Display color shift optimization method, display driving method and display |
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| WO2019041398A1 (en) * | 2017-08-28 | 2019-03-07 | 惠科股份有限公司 | Display device viewing angle compensation calculation method, viewing angle compensation structure and display device |
| CN108320716A (en) * | 2018-01-10 | 2018-07-24 | 惠科股份有限公司 | Driving method and device of display panel |
| US11308845B2 (en) | 2018-01-10 | 2022-04-19 | HKC Corporation Limited | Display panel drive method and device |
| CN108335678A (en) * | 2018-01-10 | 2018-07-27 | 惠科股份有限公司 | Driving method and device of display panel |
| US11158231B2 (en) | 2018-01-10 | 2021-10-26 | HKC Corporation Limited | Driving method for display panel, and device |
| CN108320716B (en) * | 2018-01-10 | 2019-09-17 | 惠科股份有限公司 | Driving method and device of display panel |
| CN108335678B (en) * | 2018-01-10 | 2019-09-17 | 惠科股份有限公司 | Driving method and device of display panel |
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| CN109300434A (en) * | 2018-10-31 | 2019-02-01 | 上海天马微电子有限公司 | Display device and adjusting method of viewing angle chromatic aberration thereof |
| CN109300434B (en) * | 2018-10-31 | 2021-01-15 | 上海天马微电子有限公司 | Display device and adjusting method of viewing angle chromatic aberration thereof |
| CN111192560A (en) * | 2018-11-14 | 2020-05-22 | 三星显示有限公司 | display screen |
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| CN111292697A (en) * | 2020-03-27 | 2020-06-16 | Tcl华星光电技术有限公司 | Method for improving color cast of display device |
| CN111796440A (en) * | 2020-07-07 | 2020-10-20 | Tcl华星光电技术有限公司 | Adjusting method and device of display panel |
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| CN112767891B (en) * | 2021-01-20 | 2022-07-12 | Tcl华星光电技术有限公司 | Mura compensation method, display panel and display device |
| CN116631350A (en) * | 2023-05-26 | 2023-08-22 | 惠科股份有限公司 | Display color shift optimization method, display driving method and display |
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