CN105138185A - Parameter calibration method and device of display screen - Google Patents
Parameter calibration method and device of display screen Download PDFInfo
- Publication number
- CN105138185A CN105138185A CN201510641513.5A CN201510641513A CN105138185A CN 105138185 A CN105138185 A CN 105138185A CN 201510641513 A CN201510641513 A CN 201510641513A CN 105138185 A CN105138185 A CN 105138185A
- Authority
- CN
- China
- Prior art keywords
- parameter
- gamma
- key point
- display screen
- gamma function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a parameter calibration method and parameter calibration device of a display screen. The parameter calibration method of the display screen comprises the following steps: obtaining a Gamma function of the display screen according to parameters of adjustable key points; and adjusting the Gamma function according to the target Gamma parameters, so that the values of the Gamma function are equal to the target Gamma parameters. With the adoption of the technical scheme, the purpose of automatically adjusting the Gamma curve according to the parameters of adjustable key points so as to achieve the optimal ideal Gamma curve is achieved, the adjustment effect is good, and meanwhile, the debugging time and the labor cost are saved to the great extent.
Description
Technical field
The present invention relates to display screen technology field, particularly relate to a kind of display screen parameter calibrating method and device.
Background technology
Along with electronical display mode is to the progressively replacement of the display modes such as traditionally on paper, become the staple product of all trades and professions application.Wherein, liquid crystal display (liquidcrystaldisplay; LCD) as main flow image output products, the field that mobile terminal, computer, TV and camera etc. need image to export is widely used in.
Each point on the LCD of people's finding of naked eye, i.e. a pixel, be made up of red, green, blue (RGB) three sub-pixels.Each sub-pixel, the light source of its behind can show different gray scales.Because LCD is inconsistent to redgreenblue electro-optical characteristic, the color distortion showing as each GTG is comparatively large, needs the color correcting each GTG.The display device corrected without gamma curve can make the color of actual output image, brightness produces deviation, therefore must improve the display effect of display image by correcting gamma curve.
In prior art, usually adopt the mode of manual debugging gamma curve to adjust LCD, each GTG point relies on naked eyes to carry out judgement best image value, and the curve after this procedure regulation has certain error compared with the ideal curve of the best.
Summary of the invention
The invention provides a kind of display screen parameter calibrating method and device, to solve in prior art, the mode of usual employing manual debugging gamma curve adjusts LCD, and the gamma curve after this procedure regulation has the problem of certain error compared with the desirable gamma curve of the best.
The invention provides a kind of display screen parameter calibrating method, comprising:
According to the parameter of adjustable key point, obtain the Gamma function of display screen;
Gamma function according to target Gamma parameter adjustment, makes the value of described Gamma function equal described target Gamma parameter.
Further, in method described above, the described parameter according to adjustable key point, obtains the Gamma function of display screen, specifically comprises:
Add up the grey exponent number of adjustable key point described in each;
Calculate the gray-scale intensity of adjustable key point described in each;
According to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, obtain the described Gamma function of described display screen.
Further, in method described above, according to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, before obtaining the Gamma function of display screen, described method also comprises:
Determine the priority of adjustable key point described in each;
Further, according to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, obtain the described Gamma function of described display screen, specifically comprise:
According to the described grey exponent number of key point adjustable described in each, described gray-scale intensity and described priority, obtain the described Gamma function of described display screen.
Further, in method described above, described gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize.
Further, in method described above, described according to target Gamma parameter adjustment Gamma function, make the value of described Gamma function equal described target Gamma parameter, specifically comprise:
According to described target Gamma parameter and described grey exponent number, adjust described gray-scale intensity and make the value of described Gamma function equal described target Gamma parameter;
Further, according to described target Gamma parameter and described grey exponent number, adjusting described gray-scale intensity makes the value of described Gamma function equal described target Gamma parameter, specifically comprise: according to described target Gamma parameter and described grey exponent number, adjust described register parameters and described positive-negative polarity parameter, make the value of described Gamma function equal described target Gamma parameter.
The present invention also provides a kind of display screen parametric calibration device, comprising:
Acquisition module, for the parameter according to adjustable key point, obtains the Gamma function of display screen;
Adjusting module, for Gamma function according to target Gamma parameter adjustment, makes the value of described Gamma function equal described target Gamma parameter.
Further, in device described above, described acquisition module, specifically comprises:
Statistic unit, for adding up the grey exponent number of adjustable key point described in each;
Computing unit, for calculating the gray-scale intensity of adjustable key point described in each;
Acquiring unit, for according to the described grey exponent number of key point adjustable described in each and described gray-scale intensity, obtains the described Gamma function of described display screen.
Further, in device described above, described acquisition module also comprises:
Determining unit, for determining the priority of adjustable key point described in each;
Further, described acquisition module, specifically for the described grey exponent number according to key point adjustable described in each, described gray-scale intensity and described priority, obtains the described Gamma function of described display screen.
Further, in device described above, described gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize.
Further, in device described above, described adjusting module, specifically for according to described target Gamma parameter and described grey exponent number, adjusts described gray-scale intensity and makes the value of described Gamma function equal described target Gamma parameter;
Further, described adjusting module, specifically for according to described target Gamma parameter and described grey exponent number, adjusts described register parameters and described positive-negative polarity parameter, makes the value of described Gamma function equal described target Gamma parameter.
Display screen parameter calibrating method of the present invention and device, by the parameter according to adjustable key point, obtain the Gamma function of display screen, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter, to solve in prior art, the mode of usual employing manual debugging gamma curve adjusts LCD, gamma curve after this procedure regulation has the problem of certain error compared with the desirable gamma curve of the best, achieve and automatically adjust gamma curve according to the parameter of adjustable key point and make it reach best desirable gamma curve, Adjustment effect is good, save debug time and cost of labor largely simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of display screen parameter calibrating method embodiment one of the present invention;
Fig. 2 is the process flow diagram of display screen parameter calibrating method embodiment two of the present invention;
Fig. 3 is the process flow diagram of display screen parameter calibrating method embodiment three of the present invention;
Fig. 4 is the structural representation of display screen parametric calibration device embodiment one of the present invention;
Fig. 5 is the structural representation of display screen parametric calibration device embodiment two of the present invention;
Fig. 6 is the structural representation of display screen parametric calibration device embodiment three of the present invention;
Fig. 7 is the Gamma function curve schematic diagram of display screen parametric calibration device of the present invention adjustment.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the process flow diagram of display screen parameter calibrating method embodiment one of the present invention, and as shown in Figure 1, the display screen parameter calibrating method of the present embodiment, specifically can comprise the steps:
101, according to the parameter of adjustable key point, the Gamma function of display screen is obtained;
Particularly, different LCD, after production completes, needs to debug accordingly, to obtain best display effect.Because its drive integrated circult of different LCD is also different, in debug process, if choose each adjustable key point can carrying out adjusting, draw the Gamma function of each adjustable key point unjustified according to the parameter of these adjustable key points.
102, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter.
Particularly, the Gamma function of its display effect the best of different LCD is target Gamma function, under normal circumstances, best Gamma function to be exponential quantity be 2.2 Gamma function, best Gamma function in the present embodiment also can be set as other numerical value, does not do concrete restriction at this.Adjust according to the Gamma function of target Gamma function to each adjustable key point unjustified, make the exponential quantity of the Gamma function after adjustment equal the exponential quantity of best Gamma function, namely the value of Gamma function equals target Gamma parameter.
The display screen parameter calibrating method of the present embodiment, by the parameter according to adjustable key point, obtain the Gamma function of LCD, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter, to solve in prior art, the mode of usual employing manual debugging gamma curve adjusts LCD, gamma curve after this procedure regulation has the problem of certain error compared with the desirable gamma curve of the best, achieve and automatically adjust gamma curve according to the parameter of adjustable key point and make it reach best desirable gamma curve, Adjustment effect is good, save debug time and cost of labor largely simultaneously.
Fig. 2 is the process flow diagram of display screen parameter calibrating method embodiment two of the present invention, and as shown in Figure 2, the display screen parameter calibrating method of the present embodiment is described in further detail on the basis of embodiment one, specifically can comprise the steps:
201, the grey exponent number of each adjustable key point is added up;
Particularly, each adjustable key point of LCD all has corresponding parameter, and grey exponent number is the one in parameter, according to the design in the control integration circuit in LCD, adds up the grey exponent number of each adjustable key point.
202, the gray-scale intensity of each adjustable key point is calculated;
Particularly, according to the key between GTG and brightness, calculate the gray-scale intensity of each adjustable key point.
203, according to grey exponent number and the gray-scale intensity of each adjustable key point, the Gamma function of display screen is obtained;
Particularly, the Gamma function of each key point in display screen is obtained by two parameters (grey exponent number and gray-scale intensity) of each adjustable key point.In practical application, each adjustable key point of different display screens may be different, and the parameter of each adjustable key point also can be different accordingly, and therefore, in the display screen of acquisition, the Gamma function of each key point also can be different.
204, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter.
Particularly, for target Gamma parameter and exponential quantity for 2.2, choose an adjustable key point, come according to its grey exponent number and gray-scale intensity, obtain the Gamma functional value of this adjustable key point, leaving data in corresponding register in by adjusting this adjustable key point, making the exponential quantity of the Gamma function of this adjustable key point equal 2.2.
The display screen parameter calibrating method of the present embodiment, by according to the grey exponent number of adjustable key point and gray-scale intensity, obtain the Gamma function of display screen, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter, to solve in prior art, the mode of usual employing manual debugging gamma curve adjusts LCD, gamma curve after this procedure regulation has the problem of certain error compared with the desirable gamma curve of the best, achieve and automatically adjust gamma curve according to the parameter of adjustable key point and make it reach best desirable gamma curve, Adjustment effect is good, save debug time and cost of labor largely simultaneously.
Fig. 3 is the process flow diagram of display screen parameter calibrating method embodiment three of the present invention, and as shown in Figure 3, the display screen parameter calibrating method of the present embodiment is described in further detail on the basis of embodiment two, specifically can comprise the steps:
301, the grey exponent number of each adjustable key point is added up;
302, the gray-scale intensity of each adjustable key point is calculated;
303, the priority of each adjustable key point is determined;
Particularly, different according to the control integration circuit design in Different L CD, under normal circumstances, some roads voltage can be chosen as Vital Voltage, then key be pressed and continue dividing potential drop by fixing resistance string and make it divide equally to expand in required circuit.Choose Vital Voltage and be adjustable key point, the greyscale level of key point that each is adjustable may be different, each adjustable key point is needed to carry out grade classification during adjustment, such as, one-level, secondary and three grades, adjust according to the grade divided during adjustment, grade is the corresponding adjustable key point of one-level is the point adjusted at first.
304, according to the grey exponent number of each adjustable key point, gray-scale intensity and priority, the Gamma function of display screen is obtained;
Further, according to grey exponent number and the gray-scale intensity of each adjustable key point, obtain the Gamma function of display screen, specifically comprise: according to the grey exponent number of each adjustable key point, gray-scale intensity and priority, obtain the Gamma function of display screen.Wherein, gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize, and each gray-scale intensity is to there being both positive and negative polarity two registers, and register parameters is the data can carrying out in adjustable key point adjusting.
305, according to target Gamma parameter and grey exponent number, adjustment gray-scale intensity makes the value of Gamma function equal target Gamma parameter.
Further, according to target Gamma parameter and grey exponent number, adjustment gray-scale intensity makes the value of Gamma function equal target Gamma parameter, specifically comprise: according to target Gamma parameter and grey exponent number, adjustment register parameters and positive-negative polarity parameter, make the value of Gamma function equal target Gamma parameter.Adjust register parameters and the positive-negative polarity parameter of each adjustable key point, usual employing adjusts corresponding both positive and negative polarity two registers simultaneously, and adjustment simultaneously can be increase simultaneously, simultaneously reduction or complementary.
The display screen parameter calibrating method of the present embodiment, by the grey exponent number according to adjustable key point, gray-scale intensity and priority, obtain the Gamma function of display screen, according to target Gamma parameter adjustment Gamma function, the value of Gamma function is made to equal target Gamma parameter, to solve in prior art, the mode of usual employing manual debugging gamma curve adjusts LCD, gamma curve after this procedure regulation has the problem of certain error compared with the desirable gamma curve of the best, achieve the register parameters according to adjustable key point and positive-negative polarity parameter, automatic adjustment gamma curve makes it reach best desirable gamma curve, Adjustment effect is good, save debug time and cost of labor largely simultaneously, adopt the display screen parameter calibrating method of the present embodiment, difference is said to the design of my LCD control integration circuit, can well be compatible.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 4 is the structural representation of display screen parametric calibration device embodiment one of the present invention, as shown in Figure 4, the display screen parametric calibration device of the present embodiment can comprise: acquisition module 11 and adjusting module 12, wherein, acquisition module 11, for the parameter according to adjustable key point, obtains the Gamma function of display screen; Adjusting module 12 is connected with acquisition module 11, and this adjusting module 12, for the Gamma function of display screen obtained according to target Gamma parameter adjustment acquisition module 11, makes the value of Gamma function equal target Gamma parameter.
The display screen parametric calibration device of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in Fig. 1, it realizes principle and technique effect is similar, repeats no more herein.
Fig. 5 is the structural representation of display screen parametric calibration device embodiment two of the present invention, as shown in Figure 5, the display screen parametric calibration device of the present embodiment is on the basis of the parametric calibration of display screen shown in Fig. 4 apparatus structure, further, acquisition module 11 can comprise: statistic unit 111, for adding up the grey exponent number of each adjustable key point; Computing unit 112, for calculating the gray-scale intensity of each adjustable key point; Acquiring unit 113 is connected with statistic unit 111 and computing unit 112 respectively, the gray-scale intensity that this acquiring unit 113 calculates for the grey exponent number added up according to the statistic unit 111 of each adjustable key point and computing unit 112, obtains the Gamma function of display screen.Acquiring unit 113 is also connected with adjusting module 12, and the parameter of the Gamma function that acquiring unit 12 obtains by adjusting module 12 adjusts, and makes the value of Gamma function equal target Gamma parameter.
The display screen parametric calibration device of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in Fig. 2, it realizes principle and technique effect is similar, repeats no more herein.
Fig. 6 is the structural representation of display screen parametric calibration device embodiment three of the present invention, as shown in Figure 6, the display screen parametric calibration device of the present embodiment is on the basis of the parametric calibration of display screen shown in Fig. 5 apparatus structure, further, acquisition module 11 can also comprise determining unit 114, determining unit 114 is connected with acquiring unit 113, and this determining unit 114 is for determining the priority of each adjustable key point; Further, acquisition module 11 is specifically for the grey exponent number according to each adjustable key point, gray-scale intensity and priority, obtain the Gamma function of display screen, wherein grey exponent number is added up by statistic unit 111 and is drawn, gray-scale intensity is calculated by computing unit 112, and priority is determined by determining unit 114.
In addition, gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize.Each adjustable key point all has two opposite polarity register parameters to correspond, i.e. the register parameters of positive pole and the register parameters of negative pole.
Further, adjusting module 12 is connected with statistic unit 111, and the grey exponent number of this adjusting module 12 specifically for adding up according to target Gamma parameter and statistic unit 111, adjustment gray-scale intensity makes the value of Gamma function equal target Gamma parameter.
Further, adjusting module 12, specifically for according to target Gamma parameter and grey exponent number, adjusts register parameters and positive-negative polarity parameter, makes the value of Gamma function equal target Gamma parameter.
The display screen parametric calibration device of the present embodiment, may be used for the technical scheme performing embodiment of the method shown in Fig. 3, it realizes principle and technique effect is similar, repeats no more herein.
Fig. 7 is the Gamma function curve schematic diagram of display screen parametric calibration device of the present invention adjustment.As shown in Figure 7, display screen parametric calibration device of the present invention specifically can be applied to as in the terminals such as computer, uses in the form of software, and with the drive integrated circult of certain liquid crystal display module, model is: OTM1284A is example, following data is inputted:
CMD0X00
DAT0X00
CMD0XFF
DAT0X12
DAT0X84
DAT0X01
CMD0X00
DAT0X80
CMD0XFF
DAT0X12
DAT0X84
CMD0X00
DAT0X00
CMD0XE1
PT10X00255P-
PT10X10253P-
PT10X17251P-
PT30X1B248P-
PT30X33244P-
PT30X42239P-
PT30X44231P-
PT20X71203P-
PT30X65175P-
PT30X80143P-
PT30X8B112P+
PT30X70080P+
PT20X80052P+
PT30X5D024P+
PT30X53016P+
PT30X43011P+
PT30X32007P+
PT10X20004P+
PT10X10002P+
PT10X00000P+
CMD0X00
DAT0X00
CMD0XE2
NT10X00255N-
NT10X10253N-
NT10X17251N-
NT30X1B248N-
NT30X33244N-
NT30X42239N-
NT30X44231N-
NT20X71203N-
NT30X65175N-
NT30X80143N-
NT30X8B112N+
NT30X70080N+
NT20X80052N+
NT30X5D024N+
NT30X53016N+
NT30X43011N+
NT30X32007N+
NT10X20004N+
NT10X10002N+
NT10X00000N+
END
The data layout of the input in above-described embodiment is: [PT/NT (priority)] [register parameters] [grey exponent number] [positive-negative polarity] [+/-], wherein, PT represents positive polarity GTG, NT represents negative polarity GTG, 1 represents that priority is 1,0X** represents the register parameters of this GTG corresponding, P represents positive polarity, and N represents negative polarity ,+represent that the more large value that is brighter ,-expression register of the value of register is more little brighter.According to the priority of adjustable key point, by adjusting corresponding register parameters, can gray-scale intensity be adjusted, thus make the value of Gamma function equal target Gamma parameter.
After adjustment, Gamma function curve as shown in Figure 7, wherein, 1 for Gamma functional value be the curve of 1.9,2 for Gamma functional value be the curve of 2.5,3 for Gamma functional value be the curve of Gamma functional value after adjustment, i.e. the actual gamma curve generated, 4 for Gamma functional value be the aim curve of 2.2.According to Fig. 7, can find out, the curve 3 of the Gamma functional value after adjustment is the aim curve 4 of 2.2 close to the Gamma functional value adjusted.
Device embodiment described above is only schematic, the unit wherein illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed at least two network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying performing creative labour, are namely appreciated that and implement.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a display screen parameter calibrating method, is characterized in that, comprising:
According to the parameter of adjustable key point, obtain the Gamma function of display screen;
Gamma function according to target Gamma parameter adjustment, makes the value of described Gamma function equal described target Gamma parameter.
2. method according to claim 1, is characterized in that, the described parameter according to adjustable key point, obtains the Gamma function of display screen, specifically comprises:
Add up the grey exponent number of adjustable key point described in each;
Calculate the gray-scale intensity of adjustable key point described in each;
According to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, obtain the described Gamma function of described display screen.
3. method according to claim 2, is characterized in that, according to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, before obtaining the Gamma function of display screen, described method also comprises:
Determine the priority of adjustable key point described in each;
Further, according to described grey exponent number and the described gray-scale intensity of key point adjustable described in each, obtain the described Gamma function of described display screen, specifically comprise:
According to the described grey exponent number of key point adjustable described in each, described gray-scale intensity and described priority, obtain the described Gamma function of described display screen.
4. the method according to claim 2 or 3, is characterized in that, described gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize.
5. method according to claim 4, is characterized in that, described according to target Gamma parameter adjustment Gamma function, make the value of described Gamma function equal described target Gamma parameter, specifically comprise:
According to described target Gamma parameter and described grey exponent number, adjust described gray-scale intensity and make the value of described Gamma function equal described target Gamma parameter;
Further, according to described target Gamma parameter and described grey exponent number, adjusting described gray-scale intensity makes the value of described Gamma function equal described target Gamma parameter, specifically comprise: according to described target Gamma parameter and described grey exponent number, adjust described register parameters and described positive-negative polarity parameter, make the value of described Gamma function equal described target Gamma parameter.
6. a display screen parametric calibration device, is characterized in that, comprising:
Acquisition module, for the parameter according to adjustable key point, obtains the Gamma function of display screen;
Adjusting module, for Gamma function according to target Gamma parameter adjustment, makes the value of described Gamma function equal described target Gamma parameter.
7. device according to claim 6, is characterized in that, described acquisition module, specifically comprises:
Statistic unit, for adding up the grey exponent number of adjustable key point described in each;
Computing unit, for calculating the gray-scale intensity of adjustable key point described in each;
Acquiring unit, for according to the described grey exponent number of key point adjustable described in each and described gray-scale intensity, obtains the described Gamma function of described display screen.
8. device according to claim 7, is characterized in that, described acquisition module also comprises:
Determining unit, for determining the priority of adjustable key point described in each;
Further, described acquisition module, specifically for the described grey exponent number according to key point adjustable described in each, described gray-scale intensity and described priority, obtains the described Gamma function of described display screen.
9. the device according to claim 7 or 8, is characterized in that, described gray-scale intensity adopts register parameters and positive-negative polarity parameter to characterize.
10. device according to claim 9, is characterized in that, described adjusting module, specifically for according to described target Gamma parameter and described grey exponent number, adjusts described gray-scale intensity and makes the value of described Gamma function equal described target Gamma parameter;
Further, described adjusting module, specifically for according to described target Gamma parameter and described grey exponent number, adjusts described register parameters and described positive-negative polarity parameter, makes the value of described Gamma function equal described target Gamma parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641513.5A CN105138185B (en) | 2015-09-30 | 2015-09-30 | Display screen parameter calibrating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641513.5A CN105138185B (en) | 2015-09-30 | 2015-09-30 | Display screen parameter calibrating method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105138185A true CN105138185A (en) | 2015-12-09 |
| CN105138185B CN105138185B (en) | 2019-01-25 |
Family
ID=54723553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510641513.5A Expired - Fee Related CN105138185B (en) | 2015-09-30 | 2015-09-30 | Display screen parameter calibrating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105138185B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721844A (en) * | 2016-01-29 | 2016-06-29 | 四川长虹电器股份有限公司 | Method for enhancing image-quality contrast layering based on Gamma adjustment of liquid crystal display television |
| CN105741775A (en) * | 2016-05-05 | 2016-07-06 | 京东方科技集团股份有限公司 | Method and device for adjusting Gamma curve |
| CN106128383A (en) * | 2016-08-25 | 2016-11-16 | 深圳市华星光电技术有限公司 | gamma curve adjustment method |
| CN106604008A (en) * | 2016-11-17 | 2017-04-26 | 深圳Tcl新技术有限公司 | Method and device for adjusting image quality effect of display |
| CN106775529A (en) * | 2016-12-15 | 2017-05-31 | 广州视源电子科技股份有限公司 | Adjusting method and device of display equipment |
| CN109493801A (en) * | 2019-01-11 | 2019-03-19 | 京东方科技集团股份有限公司 | Gamma correction method, gamma correcting device and electronic equipment having a display function |
| CN109616070A (en) * | 2019-01-15 | 2019-04-12 | 成都中电熊猫显示科技有限公司 | Brightness adjusting method, liquid crystal display panel and the liquid crystal display of liquid crystal display panel |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655015A (en) * | 2004-02-13 | 2005-08-17 | 钰瀚科技股份有限公司 | Luminance compensation method and device for liquid crystal display |
| CN1691121A (en) * | 2004-04-29 | 2005-11-02 | 钰瀚科技股份有限公司 | Signal processing method |
| CN1845232A (en) * | 2005-04-08 | 2006-10-11 | 浙江大学 | Automatic measurement and correction method and system for LCD GAMMA curve and color temperature |
| CN102110421A (en) * | 2009-12-28 | 2011-06-29 | 京东方科技集团股份有限公司 | Gray-scale adjustment method and device |
| CN103390395A (en) * | 2012-05-09 | 2013-11-13 | 厦门毅想通信研发中心有限公司 | Method and electronic equipment for adjusting brightness of display |
| CN104008736A (en) * | 2013-02-26 | 2014-08-27 | 合肥京东方光电科技有限公司 | Apparatus for automatically adjusting gamma curve of LCD, and optical debugging apparatus |
| CN104064156A (en) * | 2014-06-23 | 2014-09-24 | 深圳市华星光电技术有限公司 | Display panel grayscale correction method |
| CN104464685A (en) * | 2014-12-23 | 2015-03-25 | 厦门天马微电子有限公司 | Method and device for adjusting gray level transition and color of display device |
| CN104809974A (en) * | 2015-04-22 | 2015-07-29 | 信利（惠州）智能显示有限公司 | Automatic gamma and white balance correction method and device for display device |
-
2015
- 2015-09-30 CN CN201510641513.5A patent/CN105138185B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655015A (en) * | 2004-02-13 | 2005-08-17 | 钰瀚科技股份有限公司 | Luminance compensation method and device for liquid crystal display |
| CN1691121A (en) * | 2004-04-29 | 2005-11-02 | 钰瀚科技股份有限公司 | Signal processing method |
| CN1845232A (en) * | 2005-04-08 | 2006-10-11 | 浙江大学 | Automatic measurement and correction method and system for LCD GAMMA curve and color temperature |
| CN102110421A (en) * | 2009-12-28 | 2011-06-29 | 京东方科技集团股份有限公司 | Gray-scale adjustment method and device |
| CN103390395A (en) * | 2012-05-09 | 2013-11-13 | 厦门毅想通信研发中心有限公司 | Method and electronic equipment for adjusting brightness of display |
| CN104008736A (en) * | 2013-02-26 | 2014-08-27 | 合肥京东方光电科技有限公司 | Apparatus for automatically adjusting gamma curve of LCD, and optical debugging apparatus |
| CN104064156A (en) * | 2014-06-23 | 2014-09-24 | 深圳市华星光电技术有限公司 | Display panel grayscale correction method |
| CN104464685A (en) * | 2014-12-23 | 2015-03-25 | 厦门天马微电子有限公司 | Method and device for adjusting gray level transition and color of display device |
| CN104809974A (en) * | 2015-04-22 | 2015-07-29 | 信利（惠州）智能显示有限公司 | Automatic gamma and white balance correction method and device for display device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721844B (en) * | 2016-01-29 | 2017-06-23 | 四川长虹电器股份有限公司 | The method of the enhancing image quality contrast stereovision based on LCD TV Gamma adjustment |
| CN105721844A (en) * | 2016-01-29 | 2016-06-29 | 四川长虹电器股份有限公司 | Method for enhancing image-quality contrast layering based on Gamma adjustment of liquid crystal display television |
| US20190051235A1 (en) * | 2016-05-05 | 2019-02-14 | Boe Technology Group Co., Ltd. | Gamma tuning method and gamma tuning device |
| CN105741775A (en) * | 2016-05-05 | 2016-07-06 | 京东方科技集团股份有限公司 | Method and device for adjusting Gamma curve |
| EP3454324A4 (en) * | 2016-05-05 | 2019-12-04 | BOE Technology Group Co., Ltd. | Gamma adjustment method and apparatus |
| US10460655B2 (en) | 2016-05-05 | 2019-10-29 | Boe Technology Group Co., Ltd. | Gamma tuning method and gamma tuning device |
| WO2017190545A1 (en) * | 2016-05-05 | 2017-11-09 | 京东方科技集团股份有限公司 | Gamma adjustment method and apparatus |
| CN105741775B (en) * | 2016-05-05 | 2019-01-22 | 京东方科技集团股份有限公司 | Adjust the method and device of gamma curve |
| CN106128383A (en) * | 2016-08-25 | 2016-11-16 | 深圳市华星光电技术有限公司 | gamma curve adjustment method |
| CN106604008B (en) * | 2016-11-17 | 2019-02-01 | 深圳Tcl新技术有限公司 | The method and device of display image quality figure effect adjustment |
| CN106604008A (en) * | 2016-11-17 | 2017-04-26 | 深圳Tcl新技术有限公司 | Method and device for adjusting image quality effect of display |
| US10803831B2 (en) | 2016-11-17 | 2020-10-13 | Shenzhen Tcl New Technology Co., Ltd | Method and device for adjusting picture quality of displayer |
| CN106775529A (en) * | 2016-12-15 | 2017-05-31 | 广州视源电子科技股份有限公司 | Adjusting method and device of display equipment |
| CN109493801A (en) * | 2019-01-11 | 2019-03-19 | 京东方科技集团股份有限公司 | Gamma correction method, gamma correcting device and electronic equipment having a display function |
| CN109493801B (en) * | 2019-01-11 | 2020-07-21 | 京东方科技集团股份有限公司 | Gamma correction method, gamma correction device and electronic equipment with display function |
| CN109616070A (en) * | 2019-01-15 | 2019-04-12 | 成都中电熊猫显示科技有限公司 | Brightness adjusting method, liquid crystal display panel and the liquid crystal display of liquid crystal display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105138185B (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105138185A (en) | Parameter calibration method and device of display screen | |
| US10923046B2 (en) | Image display processing method and device, display device and non-volatile storage medium | |
| CN106023942B (en) | A kind of grayscale color difference adjusting method, device and the display device of display panel | |
| CN104916259A (en) | Method of controlling brightness of display screen of medical display, device and medical display | |
| CN103218988B (en) | Method and device for image conversion from RGB signal to RGBW signal | |
| JP6768239B2 (en) | Liquid crystal display device and its compensation data storage method | |
| CN108039143B (en) | Gamma circuit adjusting method and device | |
| CN108510947B (en) | Double-screen dimming method and display device | |
| CN107993616B (en) | Image display method and device | |
| US9799299B2 (en) | Gamma voltage generation circuit, method and data driver | |
| US20160343340A1 (en) | Method and system for adjusting gamma voltage, and electronic device | |
| WO2020093495A1 (en) | Method and device for adjusting gamma value of display panel | |
| CN103067743B (en) | Quick adjustment system and method for liquid crystal display television | |
| CN104361873A (en) | Method and device for adjusting display parameters and liquid crystal display system | |
| US9983061B2 (en) | Method, apparatus and system for testing optical characteristics of display module | |
| US10304393B2 (en) | Brightness compensation method and circuit | |
| CN103926714A (en) | Gamma correction system and method for display device | |
| US20160042718A1 (en) | Method and device for modulating image display quality of display device | |
| US20160275841A1 (en) | Image data processing method and device thereof | |
| US10819885B2 (en) | Gamma value tuning method and device of display panel | |
| CN107093410B (en) | Liquid crystal display brightness regulation and control method and device and liquid crystal display screen | |
| CN108573684B (en) | Display control method and device, computer readable storage medium and computer equipment | |
| CN105187811A (en) | Automatic adjusting method and apparatus for LCD screen white balance | |
| US9886885B2 (en) | Gamma correction circuit and display device | |
| TW201621873A (en) | Gamma curve correction method for a liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20190930 |