CN112562592A - Method for adjusting and calibrating gamma value of OLED and test system - Google Patents
Method for adjusting and calibrating gamma value of OLED and test system Download PDFInfo
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- CN112562592A CN112562592A CN202110000393.6A CN202110000393A CN112562592A CN 112562592 A CN112562592 A CN 112562592A CN 202110000393 A CN202110000393 A CN 202110000393A CN 112562592 A CN112562592 A CN 112562592A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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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
- G09G2320/0271—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
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
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- Engineering & Computer Science (AREA)
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- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a method for adjusting and calibrating an OLED gamma value and a test system, wherein the method comprises the steps of adjusting and calibrating the OLED gamma value; the problems that in the process of adjusting the gamma value, the OLED generates heat to cause inaccurate adjustment and drift of an adjusted gamma curve are solved; the aim of accurately adjusting the gamma value at different temperatures is fulfilled, and the aim of obtaining a stable and ordered gamma curve is fulfilled; meanwhile, the upper computer can independently set gamma adjusting temperature, so that the aims of respectively adjusting the gamma values and respectively burning RGB values corresponding to the adjusted gamma values under the condition of different constant temperature and temperature are fulfilled. The invention also comprises a test system for adjusting the gamma value of the OLED, a plurality of OLEDs arranged on a plurality of constant temperature platform devices are always kept in a constant temperature state through the temperature algorithm module, and then the gamma adjustment is carried out on the OLED by utilizing a gamma adjustment program, so that the test system can improve the productivity, reduce the cost and prevent the false gamma adjustment caused by neglecting the temperature change; the accuracy of gamma adjustment is ensured.
Description
Technical Field
The invention relates to the field of gamma value adjustment, in particular to a method for adjusting an OLED gamma value and a test system.
Background
The OLED is also called a microdisplay, and has many characteristics such as small size, high resolution, microsecond-level response speed, and the like, so that the OLED is widely applied to the fields of VR, AR, EVF, FPV, film viewers, and the like. In order to make the display effect of the OLED more consistent with the visual habit of human eyes, gamma (gamma) adjustment must be performed after the OLED device is manufactured. The gamma curve is a special tone curve, and when the gamma value is equal to 1, the curve is a straight line having an angle of 45 ° with the coordinate axis, which indicates that the input and output densities are the same. Gamma values higher than 1 will cause the gray level of the output image to tend to be bright, and gamma values lower than 1 will cause the output to be dark; therefore, the display screen which is not subjected to gamma adjustment can influence the color brightness of the final output image; according to the research, when gamma =2.2, the image output by the OLED is the best image
The conventional gamma value adjusting method includes a gamma correction method, device, medium and electronic device for an OLED display panel disclosed in chinese patent No. CN 109448638B; the method comprises the following steps: obtaining a gamma curve to be corrected of the organic light emitting diode display panel; acquiring a first compensation parameter according to the gamma curve to be corrected and the standard gamma curve; and compensating the input gray scale of the gamma curve to be corrected, which is smaller than the first input gray scale, by using a second compensation parameter smaller than the first compensation parameter, wherein the first input gray scale is in a low gray scale.
Although the gamma value can be adjusted, the adjusting method provided by the above patent does not consider the situation that the OLED generates heat to cause inaccurate adjustment in the process of adjusting the gamma value.
Disclosure of Invention
The problem that the existing adjusting and correcting method does not consider that the OLED generates heat to cause inaccurate adjustment and correction in the process of adjusting and correcting the gamma value; the invention provides a method for adjusting the gamma value of an OLED (organic light emitting diode), which comprises the following steps:
s110, placing the OLED on the constant-temperature platform device, lighting the OLED and starting the constant-temperature platform device;
s120, the constant temperature platform device gives an optimal solution by using a temperature algorithm module according to the temperature set by the upper computer, when the OLED is in a high-brightness state, the constant temperature platform device cools to counteract the heat generated by the OLED in the high-brightness state, and when the OLED is in a low-brightness state, the constant temperature platform heats the OLED so that the OLED is always kept at the temperature set by the upper computer;
s130, carrying out gamma adjustment on the OLED which is always kept at the temperature set by the upper computer by utilizing a gamma adjustment program;
s140, adjusting the gamma value to a preset value to obtain an RGB value under the gamma value, and registering the RGB value;
s150, burning the correct RGB value into the display module;
and S160, the upper computer sets another constant temperature value again, and the steps S120-S150 are repeated.
Further, the gamma-calibrated OLED may form a gamma operation code that adjusts the temperature of the OLED.
Further, the temperature algorithm module is connected with a plurality of constant temperature platform devices.
Further, the temperature algorithm module sets different temperatures for the constant temperature platform device with different temperature requirements.
Furthermore, the OLED is connected with a temperature acquisition and gamma adjustment program communication module.
Furthermore, the temperature acquisition and gamma adjustment program communication module is connected with a plurality of OLEDs arranged on different constant temperature platform devices.
Furthermore, the temperature algorithm module, the temperature acquisition module and the gamma adjustment program communication module are arranged in the upper computer.
Further, the gamma value is adjusted to 2.2.
The invention also provides a test system for adjusting the gamma value of the OLED, which comprises a constant temperature platform device; placing the OLED on the constant-temperature platform device; the constant temperature platform device is in communication connection with the temperature algorithm module; the OLED is in communication connection with the temperature acquisition and gamma adjustment program communication module; the temperature algorithm module and the temperature acquisition and gamma adjustment program communication module are arranged in the upper computer.
Further, the constant temperature platform device utilizes the semiconductor cold and hot sheet to control the temperature of the OLED.
Furthermore, the upper computer is used for setting temperature for intelligent terminal.
The method for adjusting the gamma value of the OLED comprises the steps of placing the OLED on a constant temperature control platform, keeping the OLED in a constant temperature state by the constant temperature control platform through a temperature algorithm module, then performing gamma adjustment on the OLED, and continuously adjusting the temperature algorithm module in the adjustment process to keep the constant temperature state of the OLED; the problems that in the process of adjusting the gamma value, the OLED generates heat to cause inaccurate adjustment and drift of an adjusted gamma curve are solved; the aim of accurately adjusting the gamma value at different temperatures so as to obtain a stable and ordered gamma curve is achieved; meanwhile, the upper computer can independently set gamma adjusting temperature, so that the aims of respectively adjusting the gamma values and respectively burning RGB values corresponding to the adjusted gamma values under the condition of different constant temperature and temperature are fulfilled.
According to the test system for adjusting the gamma value of the OLED, provided by the invention, the OLED arranged on the constant-temperature platform device is always kept in a constant-temperature state through the temperature algorithm module, then the gamma adjustment is carried out on the OLED by utilizing a gamma adjustment program, a plurality of constant-temperature platform devices are connected through communication to simultaneously adjust a plurality of OLEDs, and the chromaticity and the brightness of the OLED are detected by a plurality of corresponding color analyzers controlled by the upper computer, so that whether the gamma value of the adjustment is optimal or not is measured. The gamma adjusting and measuring efficiency of an OLED module manufacturer is improved, the productivity is improved, false gamma adjustment and measurement caused by neglecting temperature change can be prevented, the quality cost is reduced, the stability is improved, and the accuracy and the adjustment and the optimization of the gamma adjustment and measurement are also ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a step of a method for adjusting the gamma value of an OLED according to the present invention;
fig. 2 is a schematic diagram of a testing system for adjusting the gamma value of an OLED according to the present invention.
Reference numerals:
| 10 constant |
20 OLED |
| 30 |
31 |
| 32 temperature acquisition and gamma adjustment |
40 color analyzer |
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "couple" or "couples" and the like are not restricted to physical or mechanical connections, but may include electrical connections, optical connections, and the like, whether direct or indirect.
The invention provides a method for adjusting the gamma value of an OLED (organic light emitting diode), which comprises the following steps of:
s110, placing the OLED on the constant-temperature platform device, lighting the OLED and starting the constant-temperature platform device;
s120, the constant temperature platform device gives an optimal solution by using a temperature algorithm module according to the temperature set by the upper computer, when the OLED is in a high-brightness state, the constant temperature platform device cools to counteract the heat generated by the OLED in the high-brightness state, and when the OLED is in a low-brightness state, the constant temperature platform heats the OLED so that the OLED is always kept at the temperature set by the upper computer;
s130, carrying out gamma adjustment on the OLED which is always kept at the temperature set by the upper computer by utilizing a gamma adjustment program;
s140, adjusting the gamma value to a preset value to obtain an RGB value under the gamma value, and registering the RGB value;
s150, burning the correct RGB value into the display module;
and S160, the upper computer sets another constant temperature value again, and the steps S120-S150 are repeated.
In specific implementation, the constant temperature platform device 10 controls the temperature of the OLED by using the semiconductor cold and hot sheet, and when the OLED is in a high-brightness heating state, the semiconductor cold and hot sheet reduces the temperature to counteract the heating of the OLED; when the OLED is in a low-brightness low-temperature state, the semiconductor cold and hot sheet is heated up to bake the OLED.
The method for adjusting the gamma value of the OLED comprises the steps of placing the OLED on a constant temperature control platform, keeping the OLED in a constant temperature state by the constant temperature control platform through a temperature algorithm module, then performing gamma adjustment on the OLED, and continuously adjusting the temperature algorithm module in the adjustment process to keep the constant temperature state of the OLED; the problems that in the process of adjusting the gamma value, the OLED generates heat to cause inaccurate adjustment and disordered adjusted gamma curve are solved; the purpose of accurately adjusting the gamma value and further obtaining an ordered gamma curve is achieved; meanwhile, the upper computer can independently set the temperature, so that the aims of respectively adjusting the gamma values and respectively burning the RGB values corresponding to the adjusted gamma values under the condition of different constant temperature and temperature are fulfilled.
Preferably, the gamma-calibrated OLED forms a gamma operation code that regulates the temperature of the OLED.
During specific implementation, the OLED subjected to gamma adjustment and calibration is controlled by the gamma operation code not to exceed the constant temperature during gamma adjustment and is adjusted to the constant temperature value after exceeding the constant temperature value.
Preferably, as shown in fig. 1 and 2, the temperature algorithm module 31 is connected to a plurality of thermostatic platform devices 10.
In specific implementation, the temperature algorithm module 31 can control the temperature of a plurality of constant temperature platform devices 10 at the same time, so as to increase the speed of adjusting the gamma value at constant temperature of the OLED.
Preferably, as shown in fig. 1, the temperature algorithm module 31 sets different temperatures for the thermostatic stage assembly 10 with different temperature requirements.
In specific implementation, when the OLED 20 is calibrated according to the requirement of a product, the temperatures that the OLED 20 needs to maintain are different, so when the temperature algorithm module 31 can set the temperatures for the plurality of constant temperature platform devices 10 controlled by the temperature algorithm module, the gamma calibration speed of the OLED 20 and the range of the OLED 20 that is suitable for the OLED can be greatly increased.
Preferably, as shown in fig. 2, the OLED 20 is connected to a temperature acquisition and gamma calibration procedure communication module 32.
In specific implementation, the temperature acquisition and gamma adjustment program communication module 32 can acquire the temperature of the OLED 20, and when the OLED 20 is kept stable for a certain period of time, the temperature acquisition and gamma adjustment program communication module sends an instruction to the gamma adjustment program, and the gamma adjustment program performs gamma adjustment on the OLED 20.
Preferably, as shown in fig. 2, the temperature collecting and gamma adjusting program communication module 32 is connected to a plurality of OLEDs 20 disposed on different thermostatic platform devices 10.
Preferably, as shown in fig. 2, the temperature algorithm module 31, the temperature acquisition module and the gamma calibration program communication module 32 are disposed in the upper computer 30.
Preferably, the gamma value is adjusted to 2.2.
The invention also provides a test system for adjusting the gamma value of the OLED, which comprises a constant temperature platform device 10 as shown in figure 2; the OLED 20 is placed on the thermostatic platform device 10; the constant temperature platform device 10 is in communication connection with the temperature algorithm module 31; the OLED 20 is in communication connection with a temperature acquisition and gamma adjustment program communication module 32; the temperature algorithm module 31 and the temperature acquisition and gamma adjustment program communication module 32 are arranged in the upper computer 30.
In specific implementation, the temperature algorithm module 31 is in communication connection with a plurality of constant temperature platform devices 10; the temperature algorithm module 31 can control the temperatures of the plurality of constant temperature platform devices 31 at the same time, and the OLEDs 20 are placed on the plurality of constant temperature platform devices 31; the temperature acquisition and gamma adjustment program communication module 32 is in communication connection with the OLEDs 20 at the same time, and performs gamma adjustment on the OLEDs 20 at the same time; preferably, the host computer is controlled to have a plurality of color analyzers 40 for detecting the chromaticity and brightness of the OLED.
According to the test system for adjusting the gamma value of the OLED, provided by the invention, the OLED arranged on the constant-temperature platform device is always kept in a constant-temperature state through the temperature algorithm module, then the gamma adjustment is carried out on the OLED by utilizing a gamma adjustment program, a plurality of constant-temperature platform devices are connected through communication to simultaneously adjust a plurality of OLEDs, and the chromaticity and the brightness of the OLED are detected by a plurality of corresponding color analyzers controlled by the upper computer, so that whether the gamma value of the adjustment is optimal or not is measured. The gamma adjusting and measuring efficiency of an OLED module manufacturer is improved, the productivity is improved, false gamma adjustment and measurement caused by neglecting temperature change can be prevented, the quality cost is reduced, the stability is improved, and the accuracy and the adjustment and the optimization of the gamma adjustment and measurement are also ensured.
Preferably, the thermostatic stage assembly 10 controls the temperature of the OLED 20 using a semiconductor cold-hot plate.
Preferably, the upper computer 30 is an intelligent terminal for setting temperature.
Although terms such as a thermostatic platform device, an OLED, an upper computer, a temperature algorithm module, a temperature acquisition and gamma adjustment program communication module are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for adjusting the gamma value of an OLED is characterized by comprising the following steps:
s110, placing the OLED on the constant-temperature platform device, lighting the OLED and starting the constant-temperature platform device;
s120, the constant temperature platform device gives an optimal solution by using a temperature algorithm module according to the temperature set by the upper computer, when the OLED is in a high-brightness state, the constant temperature platform device cools to counteract the heat generated by the OLED in the high-brightness state, and when the OLED is in a low-brightness state, the constant temperature platform heats the OLED so that the OLED is always kept at the temperature set by the upper computer;
s130, carrying out gamma adjustment on the OLED which is always kept at the temperature set by the upper computer by utilizing a gamma adjustment program;
s140, adjusting the gamma value to a preset value to obtain an RGB value under the gamma value, and registering the RGB value;
s150, burning the correct RGB value into the display module;
and S160, the upper computer sets another constant temperature value again, and the steps S120-S150 are repeated.
2. The method for adjusting the gamma of the OLED according to claim 1, wherein: the gamma calibrated OLED may form a gamma operation code that adjusts the temperature of the OLED.
3. The method for adjusting the gamma of the OLED according to claim 1, wherein: the temperature algorithm module (31) is connected with a plurality of constant temperature platform devices (10).
4. The method for adjusting the gamma of the OLED according to claim 3, wherein: the temperature algorithm module (31) sets different temperatures for the thermostatic platform device (10) with different temperature requirements.
5. The method for adjusting the gamma of the OLED according to claim 3, wherein: the OLED (20) is connected with a temperature acquisition and gamma adjustment program communication module (32).
6. The method for adjusting the gamma of the OLED according to claim 5, wherein: the temperature acquisition and gamma adjustment program communication module (32) is connected with a plurality of OLEDs (20) arranged on different constant temperature platform devices (10).
7. The method for adjusting the gamma of the OLED according to claim 5, wherein: the temperature algorithm module (31), the temperature acquisition module and the gamma adjusting program communication module (32) are arranged in the upper computer (30).
8. The method for adjusting the gamma of the OLED according to claim 1, wherein: the gamma value is adjusted to 2.2.
9. A test system for adjusting the gamma value of an OLED is characterized in that: comprising a thermostatic platform device (10); an OLED (20) is placed on the thermostatic platform device (10); the constant temperature platform device (10) is in communication connection with the temperature algorithm module (31); the OLED (20) is in communication connection with a temperature acquisition and gamma adjustment program communication module (32); the temperature algorithm module (31) and the temperature acquisition and gamma adjustment program communication module (32) are arranged in the upper computer (30).
10. The system of claim 9, wherein: the constant temperature platform device (10) utilizes a semiconductor cold and hot sheet to control the temperature of the OLED (20), and the upper computer (30) is used for setting the temperature for the intelligent terminal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808535A (en) * | 2021-09-15 | 2021-12-17 | 京东方科技集团股份有限公司 | Temperature control device of display substrate and Gamma curve correction method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW583624B (en) * | 2000-09-27 | 2004-04-11 | Ind Tech Res Inst | Automatic Gamma correction system for display |
| CN1734259A (en) * | 2005-07-22 | 2006-02-15 | 北京工业大学 | Temperature adjustable thermostatic platform capable of heating and refrigerating |
| CN103493122A (en) * | 2011-05-03 | 2014-01-01 | 苹果公司 | Color correction method and apparatus for displays |
| CN106328070A (en) * | 2016-09-28 | 2017-01-11 | 武汉精测电子技术股份有限公司 | OLED module Gamma adjustment and calibration method and device |
| CN106782412A (en) * | 2017-02-22 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of image retention cancellation element and method |
| CN107146572A (en) * | 2017-07-13 | 2017-09-08 | 深圳市洲明科技股份有限公司 | Display screen bearing calibration and its system, computer-readable recording medium |
| CN108949542A (en) * | 2018-08-01 | 2018-12-07 | 中国科学技术大学 | A kind of PCR thermostatic platform based on Arduino platform courses |
| CN110111724A (en) * | 2019-06-10 | 2019-08-09 | 上海天马有机发光显示技术有限公司 | A kind of display panel, its driving method and display device |
-
2021
- 2021-01-03 CN CN202110000393.6A patent/CN112562592A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW583624B (en) * | 2000-09-27 | 2004-04-11 | Ind Tech Res Inst | Automatic Gamma correction system for display |
| CN1734259A (en) * | 2005-07-22 | 2006-02-15 | 北京工业大学 | Temperature adjustable thermostatic platform capable of heating and refrigerating |
| CN103493122A (en) * | 2011-05-03 | 2014-01-01 | 苹果公司 | Color correction method and apparatus for displays |
| CN106328070A (en) * | 2016-09-28 | 2017-01-11 | 武汉精测电子技术股份有限公司 | OLED module Gamma adjustment and calibration method and device |
| CN106782412A (en) * | 2017-02-22 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of image retention cancellation element and method |
| CN107146572A (en) * | 2017-07-13 | 2017-09-08 | 深圳市洲明科技股份有限公司 | Display screen bearing calibration and its system, computer-readable recording medium |
| CN108949542A (en) * | 2018-08-01 | 2018-12-07 | 中国科学技术大学 | A kind of PCR thermostatic platform based on Arduino platform courses |
| CN110111724A (en) * | 2019-06-10 | 2019-08-09 | 上海天马有机发光显示技术有限公司 | A kind of display panel, its driving method and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808535A (en) * | 2021-09-15 | 2021-12-17 | 京东方科技集团股份有限公司 | Temperature control device of display substrate and Gamma curve correction method and device |
| CN113808535B (en) * | 2021-09-15 | 2023-01-17 | 京东方科技集团股份有限公司 | Temperature control device of display substrate and Gamma curve correction method and device |
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