CN103489402B - The adjustment method of mosaic display screen and system - Google Patents
The adjustment method of mosaic display screen and system Download PDFInfo
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- CN103489402B CN103489402B CN201310440232.4A CN201310440232A CN103489402B CN 103489402 B CN103489402 B CN 103489402B CN 201310440232 A CN201310440232 A CN 201310440232A CN 103489402 B CN103489402 B CN 103489402B
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Abstract
The invention discloses a kind of adjustment method and system of mosaic display screen, the method comprises: the current tristimulus values obtaining display unit current display look; The tristimulus values of more current tristimulus values and object matching look; The current value of the primitive colours LED lamp corresponding with current tristimulus values is adjusted according to comparative result; Obtain the brightness value when present intensity value of the primitive colours LED lamp corresponding with current tristimulus values and the mass-tone LED with described object matching look corresponding are in full power state; Brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED calculates and upgrades brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.Current display tone can be tried object matching look by the present invention rapidly and accurately, improves the brightness of display look simultaneously.
Description
Technical field
The present invention relates to technical field of LED display, particularly relate to a kind of adjustment method and system of mosaic display screen.
Background technology
The displays such as mosaic display screen must be debugged before dispatching from the factory, mainly make 7 look W (white), the R (red) of each display unit of mosaic display screen, G (green), B (blue), Y (yellow), C (cyan), M (magenta) all consistent, namely 7 looks of mosaic display screen have fixing colourity, brightness target value, and 7 looks of each display unit of mosaic display screen all adjust to desired value.Existing debug process mainly contains three steps: one, according to the colourity of display unit three look (R, G, B, red, green, blue) LED and the colourity of aim colour to be matched, calculates the brightness ratio of three kinds of LED; Two, combining target brightness, calculates three-color LED light brightness separately when mating color of object; Three, three-color LED light is debugged the brightness calculated.
Because three-color LED light spectral characteristic is separately different, the brightness ratio of mating three kinds of LED during same color is different, and spectral characteristic herein has two layers of meaning: one, under full current conditions, and the three-color LED light spectrum of different display unit is different; Two, when the electric current of the three-color LED light of same display unit reduces, spectrum can drift about.
But, in debug process, the electric current of LED inevitably changes, the spectrum of LED is caused to drift about, and then three-color LED brightness ratio in this debug process is changed, make the spectral characteristic of the result of calculation of the debug process first step and current LED light source inconsistent like this, finally affect consistance debug results, display unit seven look making to debug the mosaic display screen is unanimously no longer consistent again.
Summary of the invention
Based on this, be necessary in the consistance debug process for above-mentioned mosaic display screen, the spectral drift of LED causes accurately, fast the color of mosaic display screen to be debugged consistent problem, provides a kind of adjustment method and system of mosaic display screen.
An adjustment method for mosaic display screen, comprises the following steps:
Step 101, obtains the current tristimulus values of display unit current display look;
Step 102, the tristimulus values of more described current tristimulus values and object matching look, adjusts the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result;
Step 103, obtains the brightness value when present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and the mass-tone LED with described object matching look corresponding are in full power state;
Step 104, brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED calculates and upgrades brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look, re-execute step 101 and 102.
A debug system for mosaic display screen, comprising:
First acquisition module, for obtaining the current tristimulus values of display unit current display look;
Adjusting module, for the tristimulus values of more described current tristimulus values and object matching look, according to the current value of the comparative result adjustment primitive colours LED lamp corresponding with described current tristimulus values;
Second acquisition module, present intensity value and the mass-tone LED with described object matching look corresponding for obtaining the primitive colours LED lamp corresponding with described current tristimulus values are in brightness value during full power state;
Update module, calculate for brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED and upgrade brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
The adjustment method of mosaic display screen of the present invention and system, by the tristimulus values of the current tristimulus values and object matching look that compare display unit current display look, and the current value of the three kind LED corresponding with current tristimulus values is adjusted according to comparative result, rapidly and accurately current display tone can be tried object matching look, make debug process not by the impact of the spectral drift of LED.Further by the luminance parameter upgrading object matching look, the display brightness of mosaic display screen can be improved simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of adjustment method first embodiment of mosaic display screen of the present invention;
Fig. 2 is the schematic flow sheet of adjustment method second embodiment of mosaic display screen of the present invention;
Fig. 3 is the structural representation of debug system first embodiment of mosaic display screen of the present invention.
Embodiment
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of adjustment method first embodiment of mosaic display screen of the present invention.
The adjustment method of the described mosaic display screen of present embodiment comprises the following steps:
Step 101, obtains the current tristimulus values of display unit current display look.
Step 102, the tristimulus values of more described current tristimulus values and object matching look, adjusts the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result.
Step 103, obtains the brightness value when present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and the mass-tone LED with described object matching look corresponding are in full power state.
Step 104, brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED calculates and upgrades brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look, re-execute step 101 and 102.
The adjustment method of the mosaic display screen described in present embodiment, by the tristimulus values of the current tristimulus values and object matching look that compare display unit current display look, and the current value of the three kind LED corresponding with current tristimulus values is adjusted according to comparative result, rapidly and accurately current display tone can be tried target display look, make debug process not by the impact of the spectral drift of LED.Further by the luminance parameter upgrading object matching look, the display brightness of mosaic display screen can be improved simultaneously.
Wherein, for step 101, preferably, obtain the current tristimulus values of display unit current display look by color analysis instrument, also obtain described current tristimulus values by other modes that those skilled in the art are usual.Based on colorimetry color theory: when R, G, B tri-looks consistent, W, C, M, Y tetra-looks also all consistent, as long as namely R, G, B color of each display unit of mosaic display screen is debugged desired value, other colors also all can reach corresponding desired value.Therefore the object matching look in the present invention is preferably any one in look of R, G, B tri-.
In one embodiment, the step of the current tristimulus values of described acquisition display unit current display look further comprising the steps of:
Obtain luminance parameter and the colorimetric parameter of described object matching look, the luminance parameter of acquisition and colorimetric parameter are converted to the tristimulus values of described object matching look.
Wherein, described luminance parameter and colorimetric parameter are determined when determining object matching look in advance, are preferably brightness and chromaticity coordinates.In other embodiments, described luminance parameter and colorimetric parameter also can be the brightness and colourity mark that those skilled in the art are usual.The tristimulus values converted to by luminance parameter and colorimetric parameter, three kinds of LED one_to_one corresponding in the values of its three dimensions and the primitive colours LED lamp of display unit, as object matching look be red time, the values corresponding R look LED of X dimension, the values corresponding G look LED of Y dimension, the values corresponding B look LED of Z dimension.
Preferably, the step luminance parameter of the object matching look of acquisition and colorimetric parameter being converted to the tristimulus values of object matching look comprises the following steps:
By following formula, the luminance parameter of acquisition and colorimetric parameter are converted to the tristimulus values of object matching look:
X=(x/y)*Y；
Y=Y1；
Z=(1-x-y)*Y/y；
Wherein, x and y is the colorimetric parameter obtained, and Y1 is the luminance parameter obtained, and X, Y and Z are respectively the values of three dimensions of the tristimulus values of object matching look.
In other embodiments, can before the display look of debugging display unit, in advance the colorimetric parameter of object matching look and luminance parameter are converted to the tristimulus values of object matching look, and corresponding object matching look storing, directly calling when debugging the display look of display unit.
For step 102, the color that described object matching look sets before being preferably and carrying out debugging prerequisite, when need try object matching by the display tone of mosaic display screen during debugging.
In one embodiment, the tristimulus values of more described current tristimulus values and object matching look, the step adjusting the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result is further comprising the steps of:
The tristimulus values of more described current tristimulus values and object matching look, if comparative result is in threshold range, the current value of the primitive colours LED lamp corresponding with described current tristimulus values is then adjusted according to comparative result, and return step 101, if comparative result is not in threshold range, then perform step 103.
Preferably, the number of times of predeterminable execution step 103.As when comparative result is in threshold range, only repeat a step 103.
Further, during the tristimulus values of more current tristimulus values and object matching look, preferably, one_to_one corresponding calculates the difference of the values of each dimension in the tristimulus values of described current tristimulus values and described object matching, if the difference of the values of arbitrary dimension exceeds threshold range, then according to the comparative result of this dimension, regulate corresponding primitive colours LED lamp.If the difference of the values of three dimensions all meets when being in threshold range (as current tristimulus values is with the tristimulus values of object matching look identical, or the difference of corresponding dimension is within the scope of default value), perform step 103.
In another embodiment, the step adjusting the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result can comprise the following steps:
Step 1021, if any one values in described current tristimulus values is greater than the corresponding values of the tristimulus values of described object matching look, then reduces the current value of the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
Step 1022, if any one values in described current tristimulus values is less than the corresponding values of the tristimulus values of described object matching look, then increases the current value of the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
Wherein, for step 1021 and step 1022, preferably can preset the current value that stepping increases or reduces corresponding primitive colours LED lamp, described default stepping can be 1 current value unit, also can be other values.Wherein, preferably three kinds of different LED in tristimulus values corresponding primitive colours LED lamp.
For step 103, preferably, when object matching look is R look, for mating in the primitive colours LED lamp of object matching look, the brightness of R look LED is mass-tone LED, and L is LR.In like manner: when object matching look is G look, for mating in the primitive colours LED lamp of object matching look, the brightness of G look LED is mass-tone LED, and L is LG; When object matching look is B look, for mating in the primitive colours LED lamp of object matching look, the brightness of B look LED is mass-tone LED, and L is LB.
Further, described full power state is preferably power supply corresponding to LED and is in full electricity, also can be decided to be full power state by with the scope that full electricity differs preset value.
For step 104, preferably, the number of times of the tristimulus values recalculating object matching look can be set, exceed the number of times of setting, then stop above-mentioned color maintenance method, if do not exceed, re-execute step 101 and step 102.
In one embodiment, brightness value when the described present intensity value of described primitive colours LED lamp according to obtaining and mass-tone LED are in full power state calculates and upgrades brightness value, and the step that described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look further comprising the steps of:
Judge whether described renewal brightness value is greater than the luminance parameter of described object matching look, if so, then described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of adjustment method second embodiment of mosaic display screen of the present invention.
The adjustment method of the described mosaic display screen of present embodiment and the difference of the first embodiment are: the brightness value when present intensity value of the described described primitive colours LED lamp according to obtaining and mass-tone LED are in full power state calculates and upgrades brightness value, the step that described renewal brightness value recalculates the tristimulus values of described object matching look as the luminance parameter of described object matching look are comprised the following steps:
Step 201, obtains described renewal brightness value by following formula:
Y
m=L
m(L
R+L
G+L
B)/L；
Wherein, L
r, L
g, L
bbe respectively the present intensity value of described primitive colours LED lamp, L
mfor brightness value when described mass-tone LED is in full power state, L is L
r, L
g, L
bone in three, Y
mfor described renewal brightness.
Step 202, obtains the colorimetric parameter of described object matching look, the colorimetric parameter of described renewal brightness value and acquisition is converted to the tristimulus values of described object matching look.
The adjustment method of the mosaic display screen described in present embodiment, current tristimulus values and the tristimulus values of object matching look of current display look corresponding consistent after, obtain the brightness value when present intensity value of described primitive colours LED lamp and mass-tone LED are in full power state respectively, go out one by above-mentioned formulae discovery and be greater than L
r, L
g, L
band L
mthe renewal brightness of any one, this renewal brightness is set to new object brightness parameter, improves the occurrence of object brightness parameter, and then carry out the debugging step in the first embodiment, effectively can improve the display brightness of the mosaic display screen after debugging, make its display effect better.
Refer to Fig. 3, Fig. 3 is the structural representation of debug system first embodiment of mosaic display screen of the present invention.
The debug system of the described mosaic display screen of present embodiment comprises the first acquisition module 100, adjusting module 200, second acquisition module 300 and update module 400, wherein:
First acquisition module 100, for obtaining the current tristimulus values of display unit current display look.
Adjusting module 200, for the tristimulus values of more described current tristimulus values and object matching look, according to the current value of the comparative result adjustment primitive colours LED lamp corresponding with described current tristimulus values.
Second acquisition module 300, present intensity value and the mass-tone LED with described object matching look corresponding for obtaining the primitive colours LED lamp corresponding with described current tristimulus values are in brightness value during full power state.
Update module 400, calculate for brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED and upgrade brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
The debug system of the mosaic display screen described in present embodiment, by the tristimulus values of the current tristimulus values and object matching look that compare display unit current display look, and the current value of the three kind LED corresponding with current tristimulus values is adjusted according to comparative result, rapidly and accurately current display tone can be tried target display look, make debug process not by the impact of the spectral drift of LED.Further by the luminance parameter upgrading object matching look, the display brightness of mosaic display screen can be improved simultaneously.
Wherein, the first acquisition module 100, preferably, obtains the current tristimulus values of display unit current display look, also obtains described current tristimulus values by other modes that those skilled in the art are usual by color analysis instrument.Based on colorimetry color theory: when R, G, B tri-looks consistent, W, C, M, Y tetra-looks also all consistent, as long as namely R, G, B color of each display unit of mosaic display screen is debugged desired value, other colors also all can reach corresponding desired value.Therefore the object matching look in the present invention is preferably any one in look of R, G, B tri-.
In one embodiment, also comprising the 3rd acquisition module, for obtaining luminance parameter and the colorimetric parameter of described object matching look, the luminance parameter of acquisition and colorimetric parameter being converted to the tristimulus values of described object matching look.
Wherein, described luminance parameter and colorimetric parameter are determined when determining object matching look in advance, are preferably brightness and chromaticity coordinates.In other embodiments, described luminance parameter and colorimetric parameter also can be the brightness and colourity mark that those skilled in the art are usual.The tristimulus values converted to by luminance parameter and colorimetric parameter, three kinds of LED one_to_one corresponding in the values of its three dimensions and the primitive colours LED lamp of display unit, as object matching look be red time, the values corresponding R look LED of X dimension, the values corresponding G look LED of Y dimension, the values corresponding B look LED of Z dimension.
Preferably, the 3rd acquisition module also for:
By following formula, the luminance parameter of acquisition and colorimetric parameter are converted to the tristimulus values of object matching look:
X=(x/y)*Y；
Y=Y1；
Z=(1-x-y)*Y/y；
Wherein, x and y is the colorimetric parameter obtained, and Y1 is the luminance parameter obtained, and X, Y and Z are respectively the values of three dimensions of the tristimulus values of object matching look.
In other embodiments, can before the display look of debugging display unit, in advance the colorimetric parameter of object matching look and luminance parameter are converted to the tristimulus values of object matching look, and corresponding object matching look storing, directly calling when debugging the display look of display unit.
For adjusting module 200, the color that described object matching look sets before being preferably and carrying out debugging prerequisite, when need try object matching by the display tone of mosaic display screen during debugging.
In one embodiment, adjusting module 200 for when the comparative result of the tristimulus values in described current values and object matching look is in threshold range, according to the current value of the comparative result adjustment primitive colours LED lamp corresponding with described current tristimulus values.
Further, during the tristimulus values of more current tristimulus values and object matching look, preferably, one_to_one corresponding calculates the difference of the values of each dimension in the tristimulus values of described current tristimulus values and described object matching, if the difference of the values of arbitrary dimension exceeds threshold range, then according to the comparative result of this dimension, regulate corresponding primitive colours LED lamp.If the difference of the values of three dimensions all meets when being in threshold range (as current tristimulus values is with the tristimulus values of object matching look identical, or the difference of corresponding dimension is within the scope of default value).
In another embodiment, adjusting module 200 also can be used for:
When any one values in described current tristimulus values is greater than the corresponding values of the tristimulus values of described object matching look, reduce the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
When any one values in described current tristimulus values is less than the corresponding values of the tristimulus values of described object matching look, increase the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
Wherein, adjusting module 200 preferably can preset the current value that stepping increases or reduces corresponding primitive colours LED lamp, and described default stepping can be 1 current value unit, also can be other values.Wherein, preferably three kinds of different LED in tristimulus values corresponding primitive colours LED lamp.
For the second acquisition module 300, preferably, when object matching look is R look, for mating in the primitive colours LED lamp of object matching look, the brightness of R look LED is mass-tone LED, and L is LR.In like manner: when object matching look is G look, for mating in the primitive colours LED lamp of object matching look, the brightness of G look LED is mass-tone LED, and L is LG; When object matching look is B look, for mating in the primitive colours LED lamp of object matching look, the brightness of B look LED is mass-tone LED, and L is LB.
Further, described full power state is preferably power supply corresponding to LED and is in full electricity, also can be decided to be full power state by with the scope that full electricity differs preset value.
In one embodiment, second acquisition module 300, for when the comparative result of the tristimulus values in described current values and object matching look is not in threshold range, obtains the brightness value when present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and the mass-tone LED with described object matching look corresponding are in full power state.
For update module 400, preferably, can be used for setting the number of times of the tristimulus values recalculating object matching look, exceed the number of times of setting, then stop above-mentioned color maintenance process, if do not exceed, then make the operation of repetition first acquisition module 100 and adjusting module 200.
In one embodiment, update module 400 also can be used for:
Judge whether described renewal brightness value is greater than the luminance parameter of described object matching look, if so, then described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
The following stated is debug system second embodiment of mosaic display screen of the present invention.
The debug system of the described mosaic display screen of present embodiment and the difference of the first embodiment are: update module 400 can be used for further:
Described renewal brightness value is obtained by following formula:
Y
m=L
m(L
R+L
G+L
B)/L；
Wherein, L
r, L
g, L
bbe respectively the present intensity value of described primitive colours LED lamp, L
mfor brightness value when described mass-tone LED is in full power state, L is L
r, L
g, L
bone in three, Y
mfor described renewal brightness.
Obtain the colorimetric parameter of described object matching look, the colorimetric parameter of described renewal brightness value and acquisition is converted to the tristimulus values of described object matching look.
The debug system of the mosaic display screen described in present embodiment, current tristimulus values and the tristimulus values of object matching look of current display look corresponding consistent after, obtain the brightness value when present intensity value of described primitive colours LED lamp and mass-tone LED are in full power state respectively, go out one by above-mentioned formulae discovery and be greater than LR, LG, any one renewal brightness of LB and Lm, this renewal brightness is set to new object brightness parameter, improve the occurrence of object brightness parameter, and then the debugging step carried out in the first embodiment, effectively can improve the display brightness of the mosaic display screen after debugging, make its display effect better.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an adjustment method for mosaic display screen, is characterized in that, comprises the following steps:
Step 101, obtains the current tristimulus values of display unit current display look;
Step 102, the tristimulus values of more described current tristimulus values and object matching look, adjusts the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result;
Step 103, brightness value when obtaining the present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and be in full power state with the LED of described object matching look solid colour, wherein, be mass-tone LED with the LED of described object matching look solid colour;
Step 104, brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED calculates and upgrades brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look, re-execute step 101 and 102.
2. the adjustment method of mosaic display screen according to claim 1, it is characterized in that, the tristimulus values of more described current tristimulus values and object matching look, the step adjusting the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result is further comprising the steps of:
The tristimulus values of more described current tristimulus values and object matching look, if comparative result is in threshold range, the current value of the primitive colours LED lamp corresponding with described current tristimulus values is then adjusted according to comparative result, and return step 101, if comparative result is not in threshold range, then perform step 103.
3. the adjustment method of mosaic display screen according to claim 1, is characterized in that, the step of the current value of the described primitive colours LED lamp corresponding with described current tristimulus values according to comparative result adjustment comprises the following steps:
If any one values in described current tristimulus values is greater than the corresponding values of the tristimulus values of described object matching look, then reduce the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values;
If any one values in described current tristimulus values is less than the corresponding values of the tristimulus values of described object matching look, then increase the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
4. the adjustment method of mosaic display screen according to claim 1, it is characterized in that, brightness value when the described present intensity value of described primitive colours LED lamp according to obtaining and mass-tone LED are in full power state calculates and upgrades brightness value, and the step that described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look further comprising the steps of:
Judge whether described renewal brightness value is greater than the luminance parameter of described object matching look, if so, then described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
5. the adjustment method of mosaic display screen as claimed in any of claims 1 to 4, it is characterized in that, brightness value when the described present intensity value of described primitive colours LED lamp according to obtaining and mass-tone LED are in full power state calculates and upgrades brightness value, the step that described renewal brightness value recalculates the tristimulus values of described object matching look as the luminance parameter of described object matching look is comprised the following steps:
Described renewal brightness value is obtained by following formula:
Y
m＝L
m(L
R+L
G+L
B)/L；
Wherein, L
r, L
g, L
bbe respectively the present intensity value of described primitive colours LED lamp, L
mfor brightness value when described mass-tone LED is in full power state, L is L
r, L
g, L
bone in three, Y
mfor described renewal brightness;
Obtain the colorimetric parameter of described object matching look, the colorimetric parameter of described renewal brightness value and acquisition is converted to the tristimulus values of described object matching look.
6. a debug system for mosaic display screen, is characterized in that, comprising:
First acquisition module, for obtaining the current tristimulus values of display unit current display look;
Adjusting module, for the tristimulus values of more described current tristimulus values and object matching look, according to the current value of the comparative result adjustment primitive colours LED lamp corresponding with described current tristimulus values;
Second acquisition module, brightness value during for obtaining the present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and being in full power state with the LED of described object matching look solid colour, wherein, be mass-tone LED with the LED of described object matching look solid colour;
Update module, calculate for brightness value when being in full power state according to the present intensity value of described primitive colours LED lamp obtained and mass-tone LED and upgrade brightness value, described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
7. the debug system of mosaic display screen according to claim 6, it is characterized in that, described adjusting module is used for, when the comparative result of the tristimulus values of described current values and object matching look is in threshold range, adjusting the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to comparative result;
Described second acquisition module, for when the comparative result of the tristimulus values in described current values and object matching look is not in threshold range, obtain the brightness value when present intensity value of the primitive colours LED lamp corresponding with described current tristimulus values and the mass-tone LED with described object matching look corresponding are in full power state.
8. the debug system of mosaic display screen according to claim 6, is characterized in that, described adjusting module also for:
When any one values in described current tristimulus values is greater than the corresponding values of the tristimulus values of described object matching look, reduce the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values;
When any one values in described current tristimulus values is less than the corresponding values of the tristimulus values of described object matching look, increase the current value of a kind of LED in the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
9. the debug system of mosaic display screen according to claim 6, it is characterized in that, described update module is also for judging whether described renewal brightness value is greater than the luminance parameter of described object matching look, if so, then described renewal brightness value is recalculated the tristimulus values of described object matching look as the luminance parameter of described object matching look.
10., according to the debug system of the mosaic display screen in claim 6 to 9 described in any one, it is characterized in that, described update module further also for:
Described renewal brightness value is obtained by following formula:
Y
m＝L
m(L
R+L
G+L
B)/L；
Wherein, L
r, L
g, L
bbe respectively the present intensity value of described primitive colours LED lamp, L
mfor brightness value when described mass-tone LED is in full power state, L is L
r, L
g, L
bone in three, Y
mfor described renewal brightness;
Obtain the colorimetric parameter of described object matching look, the colorimetric parameter of described renewal brightness value and acquisition is converted to the tristimulus values of described object matching look.
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| CN105336286A (en) * | 2014-07-29 | 2016-02-17 | 杭州海康威视数字技术股份有限公司 | Spliced screen color adjusting method and device |
| CN106332398B (en) * | 2015-07-03 | 2019-06-21 | 青岛海尔智能技术研发有限公司 | A kind of LED light strip display effect control method |
| CN105679263B (en) * | 2016-02-01 | 2018-07-20 | 深圳市华星光电技术有限公司 | Method and system for splicing display device display color |
| CN108333801B (en) * | 2018-01-15 | 2021-09-10 | 武汉精测电子集团股份有限公司 | System and method for collecting chromatic value of liquid crystal module |
| CN109117135B (en) * | 2018-07-24 | 2022-06-03 | 中国石油天然气集团有限公司 | Method and device for determining color scheme |
| CN110702376B (en) * | 2018-10-12 | 2021-06-01 | 浙江宇视科技有限公司 | Display module troubleshooting method and device |
| CN110085181B (en) * | 2019-04-10 | 2020-08-04 | 惠州市华星光电技术有限公司 | Adjustment method for chromaticity specification of spliced panel |
| CN110719661B (en) * | 2019-10-16 | 2021-06-29 | 肖高利 | Algorithm for improving light source color rendering index to approach natural spectrum |
| CN112286604B (en) * | 2020-09-28 | 2024-04-16 | 广州视源电子科技股份有限公司 | Color adjustment method and device for display picture and computer equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217840A (en) * | 2007-12-29 | 2008-07-09 | 友达光电股份有限公司 | Color controlling method of LED light source system |
| CN101841724A (en) * | 2009-03-20 | 2010-09-22 | 胜华科技股份有限公司 | Image processing method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507159B2 (en) * | 2001-03-29 | 2003-01-14 | Koninklijke Philips Electronics N.V. | Controlling method and system for RGB based LED luminary |
| EP2132924B1 (en) * | 2007-04-03 | 2018-04-18 | Thomson Licensing DTV | Methods and systems for displays with chromatic correction having differing chromatic ranges |
-
2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217840A (en) * | 2007-12-29 | 2008-07-09 | 友达光电股份有限公司 | Color controlling method of LED light source system |
| CN101841724A (en) * | 2009-03-20 | 2010-09-22 | 胜华科技股份有限公司 | Image processing method |
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