CN103489402A - Debugging method and system for splicing display screen - Google Patents
Debugging method and system for splicing display screen Download PDFInfo
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- CN103489402A CN103489402A CN201310440232.4A CN201310440232A CN103489402A CN 103489402 A CN103489402 A CN 103489402A CN 201310440232 A CN201310440232 A CN 201310440232A CN 103489402 A CN103489402 A CN 103489402A
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Abstract
The invention discloses a debugging method and a system for a splicing display screen. The method comprises the steps of obtaining current tristimulus values of a current display color of a display unit, comparing the current tristimulus values with the tristimulus values of a target match color, adjusting the current value of a three-primary-color LED lamp corresponding to the current tristimulus values according to the compared result, obtaining the current brightness value of the three-primary-color LED lamp corresponding to the current tristimulus values and the brightness value when a main color LED lamp corresponding to the target match color is in a full charge state, calculating the updated brightness value according to the current brightness value of the three-primary-color LED lamp and the brightness value when the main color LED lamp is in the full charge state, and recalculating the tristimulus values of the target match color with the updated brightness value as the brightness parameter of the target match color. According to the debugging method and the system, the current display color can be debugged into the target match color fast and accurately, and the brightness of the display color is improved.
Description
Technical field
The present invention relates to LED display technique field, 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 to make 7 look W (white), R (red), G (green), B (blue), Y (yellow), C (cyan), the M (magenta) of each display unit of mosaic display screen all consistent, 7 looks that are mosaic display screen have fixedly colourity, brightness target value, and 7 looks of each display unit of mosaic display screen are all to the desired value adjustment.Existing debug process mainly contains three steps: one, according to the colourity of display unit three looks (R, G, B, the red, green, blue) colourity of LED lamp and aim colour to be matched, calculate the brightness ratio of three kinds of LED lamps; Two, combining target brightness, three-color LED light brightness separately while calculating the coupling color of object; Three, three-color LED light is debugged to the brightness calculated.
Due to three-color LED light spectral characteristic difference separately, the brightness ratio difference of three kinds of LED lamps while mating same color, spectral characteristic herein has two layers of meaning: one, under full current conditions, the three-color LED light spectrum difference of different display units; Two,, during the current reduction of the three-color LED light of same display unit, spectrum can drift about.
But, in debug process, the electric current of LED lamp inevitably can change, cause the spectrum of LED lamp to drift about, and then three-color LED brightness ratio in this debug process is changed, make like this spectral characteristic of the result of calculation of the debug process first step and current LED light source inconsistent, finally affect the consistance debug results, display unit seven looks of the mosaic display screen after making debugging consistent are 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 can't be accurately, fast the color of mosaic display screen is debugged to consistent problem, and a kind of adjustment method and system of mosaic display screen is provided.
A kind of adjustment method of mosaic display screen comprises the following steps:
A kind of debug system of mosaic display screen comprises:
The first acquisition module, for obtaining the current tristimulus values of the current demonstration look of display unit;
Adjusting module, for the tristimulus values of more described current tristimulus values and object matching look, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment;
The second acquisition module, for the current brightness value that obtains the primitive colours LED lamp corresponding with described current tristimulus values and with mass-tone LED lamp corresponding to described object matching look the brightness value when the full power state;
Update module, current brightness value and the brightness value of mass-tone LED lamp when full power state for the described primitive colours LED lamp according to obtaining calculate the renewal brightness value, recalculate the tristimulus values of described object matching look using described renewal brightness value as the luminance parameter of described object matching look.
The adjustment method of mosaic display screen of the present invention and system, by the current tristimulus values of the current demonstration look of comparison display unit and the tristimulus values of object matching look, and according to the comparative result adjustment current value of the three kind LED lamps corresponding with current tristimulus values, can rapidly and accurately current demonstration tone be tried to the object matching look, make debug process not be subject to the impact of the spectral drift of LED lamp.Can, further by upgrading the luminance parameter of object matching look, improve the display brightness of mosaic display screen simultaneously.
The 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:
The adjustment method of the described mosaic display screen of present embodiment, by the current tristimulus values of the current demonstration look of comparison display unit and the tristimulus values of object matching look, and according to the comparative result adjustment current value of the three kind LED lamps corresponding with current tristimulus values, can rapidly and accurately current demonstration tone be tried to target and show look, make debug process not be subject to the impact of the spectral drift of LED lamp.Can, further by upgrading the luminance parameter of object matching look, improve the display brightness of mosaic display screen simultaneously.
Wherein, for step 101, preferably, can obtain the current tristimulus values of the current demonstration look of display unit by color analysis instrument, other modes that also can habitually practise by those skilled in the art are obtained described current tristimulus values.Based on the colorimetry color theory: when R, G, B tri-looks when consistent, W, C, M, Y tetra-looks also all consistent, and, as long as the R of each display unit of mosaic display screen, G, B color are debugged to 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 R, G, B tri-looks.
In one embodiment, the step of the described current tristimulus values of obtaining the current demonstration look of display unit is further comprising the steps of:
Obtain luminance parameter and the colorimetric parameter of described object matching look, the tristimulus values that the luminance parameter that obtains and colorimetric parameter are converted to described object matching look.
Wherein, described luminance parameter and colorimetric parameter are determined, are preferably brightness and chromaticity coordinates when determining the object matching look in advance.In other embodiments, described luminance parameter and colorimetric parameter can be also the habitual brightness of those skilled in the art and colourity sign.The tristimulus values converted to by luminance parameter and colorimetric parameter, three kinds of LED lamps in the primitive colours LED lamp of the values of its three dimensions and display unit are corresponding one by one, while being red as the object matching look, the corresponding R look of the values of X dimension LED lamp, the corresponding G look of the values of Y dimension LED lamp, the corresponding B look of the values of Z dimension LED lamp.
Preferably, the luminance parameter of the object matching look that obtains and the step that colorimetric parameter is converted to the tristimulus values of object matching look are comprised the following steps:
The tristimulus values that the luminance parameter that obtains and colorimetric parameter is converted to the object matching look by following formula:
X=(x/y)*Y；
Y=Y1；
Z=(1-x-y)*Y/y；
Wherein, x and y are 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 be before the demonstration 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 stored, directly called when the demonstration look of debugging display unit.
For step 102, described object matching look is preferably is debugged the color of setting before prerequisite, in the time of the demonstration tone of mosaic display screen need being tried to object matching during debugging.
In one embodiment, the tristimulus values of more described current tristimulus values and object matching look, according to the comparative result adjustment, the step of the current value of the primitive colours LED lamp corresponding with described current tristimulus values 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 according to the comparative result adjustment, and return to step 101, if comparative result, not in threshold range, performs step 103.
Preferably, the number of times of predeterminable execution step 103.As when comparative result is in threshold range, only repeat step 103 one time.
Further, during the tristimulus values of more current tristimulus values and object matching look, preferably, the difference of the values of each dimension in the corresponding tristimulus values of calculating described current tristimulus values and described object matching one by one, if the difference of the values of arbitrary dimension exceeds threshold range,, 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 threshold range (as identical as the tristimulus values of current tristimulus values and object matching look, or the difference of corresponding dimension is in the default value scope), perform step 103.
In another embodiment, according to the comparative result adjustment, the step of the current value of the primitive colours LED lamp corresponding with described current tristimulus values 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, reduce 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, increase 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 reduce corresponding primitive colours LED lamp, described default stepping can be 1 current value unit, can be also other values.Wherein, three kinds of different LED lamps in the corresponding primitive colours LED lamp of tristimulus values preferably.
For step 103, preferably, when the object matching look is the R look, for mating the primitive colours LED lamp of object matching look, the brightness of R look LED lamp is mass-tone LED lamp, and L is LR.In like manner: when the object matching look is the G look, for mating the primitive colours LED lamp of object matching look, the brightness of G look LED lamp is mass-tone LED lamp, and L is LG; When the object matching look is the B look, for mating the primitive colours LED lamp of object matching look, the brightness of B look LED lamp is mass-tone LED lamp, and L is LB.
Further, described full power state is preferably power supply that the LED lamp is corresponding in full electricity, also the scope that differs preset value with full electricity can be decided to be to full power state.
For step 104, preferably, can set the number of times of the tristimulus values that recalculates the object matching look, surpass the number of times of setting, stop above-mentioned color and maintain method, if do not surpass, re-execute step 101 and step 102.
In one embodiment, brightness value when full power state of the current brightness value of the described primitive colours LED lamp that described basis is obtained and mass-tone LED lamp calculates and upgrades brightness value, and the luminance parameter using described renewal brightness value as described object matching look recalculates the step of tristimulus values 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 using described renewal brightness value as the luminance parameter of described object matching look, recalculate the tristimulus values 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 difference of the adjustment method of the described mosaic display screen of present embodiment and the first embodiment is: the current brightness value of the described primitive colours LED lamp that described basis is obtained and the mass-tone LED lamp brightness value when full power state calculates and upgrades brightness value, and the step that the luminance parameter using described renewal brightness value as described object matching look recalculates the tristimulus values of described object matching look comprises the following steps:
Y
m=L
m(L
R+L
G+L
B)/L；
Wherein, L
r, L
g, L
bbe respectively the current brightness value of described primitive colours LED lamp, L
mbrightness value for described mass-tone LED lamp when the full power state, L is L
r, L
g, L
bin the three one, Y
mfor described renewal brightness.
The adjustment method of the described mosaic display screen of present embodiment, the current tristimulus values of current demonstration look and the tristimulus values of object matching look corresponding consistent after, obtain respectively current brightness value and the brightness value of mass-tone LED lamp when full power state of described primitive colours LED lamp, calculate one by above-mentioned formula and be greater than L
r, L
g, L
band L
mthe renewal brightness of any one, this renewal brightness is made as to new object brightness parameter, has improved the occurrence of object brightness parameter, and then carry out the debugging step in the first embodiment, can effectively 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, the second acquisition module 300 and update module 400, wherein:
The first acquisition module 100, for obtaining the current tristimulus values of the current demonstration look of display unit.
Adjusting module 200, for the tristimulus values of more described current tristimulus values and object matching look, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment.
The second acquisition module 300, for the current brightness value that obtains the primitive colours LED lamp corresponding with described current tristimulus values and with mass-tone LED lamp corresponding to described object matching look the brightness value when the full power state.
The debug system of the described mosaic display screen of present embodiment, by the current tristimulus values of the current demonstration look of comparison display unit and the tristimulus values of object matching look, and according to the comparative result adjustment current value of the three kind LED lamps corresponding with current tristimulus values, can rapidly and accurately current demonstration tone be tried to target and show look, make debug process not be subject to the impact of the spectral drift of LED lamp.Can, further by upgrading the luminance parameter of object matching look, improve the display brightness of mosaic display screen simultaneously.
Wherein, the first acquisition module 100, preferably, can obtain the current tristimulus values of the current demonstration look of display unit by color analysis instrument, and other modes that also can habitually practise by those skilled in the art are obtained described current tristimulus values.Based on the colorimetry color theory: when R, G, B tri-looks when consistent, W, C, M, Y tetra-looks also all consistent, and, as long as the R of each display unit of mosaic display screen, G, B color are debugged to 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 R, G, B tri-looks.
In one embodiment, also comprise the 3rd acquisition module, for luminance parameter and the colorimetric parameter that obtains described object matching look, the tristimulus values that the luminance parameter that obtains and colorimetric parameter are converted to described object matching look.
Wherein, described luminance parameter and colorimetric parameter are determined, are preferably brightness and chromaticity coordinates when determining the object matching look in advance.In other embodiments, described luminance parameter and colorimetric parameter can be also the habitual brightness of those skilled in the art and colourity sign.The tristimulus values converted to by luminance parameter and colorimetric parameter, three kinds of LED lamps in the primitive colours LED lamp of the values of its three dimensions and display unit are corresponding one by one, while being red as the object matching look, the corresponding R look of the values of X dimension LED lamp, the corresponding G look of the values of Y dimension LED lamp, the corresponding B look of the values of Z dimension LED lamp.
Preferably, the 3rd acquisition module also for:
The tristimulus values that the luminance parameter that obtains and colorimetric parameter is converted to the object matching look by following formula:
X=(x/y)*Y；
Y=Y1；
Z=(1-x-y)*Y/y；
Wherein, x and y are 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 be before the demonstration 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 stored, directly called when the demonstration look of debugging display unit.
For adjusting module 200, described object matching look is preferably is debugged the color of setting before prerequisite, in the time of the demonstration tone of mosaic display screen need being tried to object matching during debugging.
In one embodiment, adjusting module 200 when the comparative result of the tristimulus values at described current values and object matching look is in threshold range, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment.
Further, during the tristimulus values of more current tristimulus values and object matching look, preferably, the difference of the values of each dimension in the corresponding tristimulus values of calculating described current tristimulus values and described object matching one by one, if the difference of the values of arbitrary dimension exceeds threshold range,, 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 threshold range (as identical as the tristimulus values of current tristimulus values and object matching look, or the difference of corresponding dimension is in the default value scope).
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 tristimulus values of described object matching look, reduce the current value of a kind of LED lamp 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 tristimulus values of described object matching look, increase the current value of a kind of LED lamp in the primitive colours LED lamp corresponding with the described values of described current tristimulus values.
Wherein, adjusting module 200 preferably can be preset the current value that stepping increases or reduce corresponding primitive colours LED lamp, and described default stepping can be 1 current value unit, can be also other values.Wherein, three kinds of different LED lamps in the corresponding primitive colours LED lamp of tristimulus values preferably.
For the second acquisition module 300, preferably, when the object matching look is the R look, for mating the primitive colours LED lamp of object matching look, the brightness of R look LED lamp is mass-tone LED lamp, and L is LR.In like manner: when the object matching look is the G look, for mating the primitive colours LED lamp of object matching look, the brightness of G look LED lamp is mass-tone LED lamp, and L is LG; When the object matching look is the B look, for mating the primitive colours LED lamp of object matching look, the brightness of B look LED lamp is mass-tone LED lamp, and L is LB.
Further, described full power state is preferably power supply that the LED lamp is corresponding in full electricity, also the scope that differs preset value with full electricity can be decided to be to full power state.
In one embodiment, the second acquisition module 300 when the comparative result of the tristimulus values at described current values and object matching look is not in threshold range, obtains the current brightness value of the primitive colours LED lamp corresponding with described current tristimulus values and the brightness value when the full power state with mass-tone LED lamp corresponding to described object matching look.
For update module 400, preferably, can be used for setting the number of times of the tristimulus values that recalculates the object matching look, surpass the number of times of setting, stop above-mentioned color maintenance process, if do not surpass, make the operation of repetition the 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 using described renewal brightness value as the luminance parameter of described object matching look, recalculate the tristimulus values of described object matching look.
The following stated is debug system second embodiment of mosaic display screen of the present invention.
The difference of the debug system of the described mosaic display screen of present embodiment and the first embodiment is: update module 400 further can be used for:
Obtain 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 current brightness value of described primitive colours LED lamp, L
mbrightness value for described mass-tone LED lamp when the full power state, L is L
r, L
g, L
bin the three one, Y
mfor described renewal brightness.
Obtain the colorimetric parameter of described object matching look, described renewal brightness value and the colorimetric parameter obtained are converted to the tristimulus values of described object matching look.
The debug system of the described mosaic display screen of present embodiment, the current tristimulus values of current demonstration look and the tristimulus values of object matching look corresponding consistent after, obtain respectively current brightness value and the brightness value of mass-tone LED lamp when full power state of described primitive colours LED lamp, calculate one by above-mentioned formula and be greater than LR, LG, any one renewal brightness of LB and Lm, this renewal brightness is made as to new object brightness parameter, improved the occurrence of object brightness parameter, and then carry out the debugging step in the first embodiment, can effectively improve the display brightness of the mosaic display screen after debugging, make its display effect better.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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. the adjustment method of a mosaic display screen, is characterized in that, comprises the following steps:
Step 101, obtain the current tristimulus values of the current demonstration look of display unit;
Step 102, the tristimulus values of more described current tristimulus values and object matching look, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment;
Step 103, obtain the current brightness value of the primitive colours LED lamp corresponding with described current tristimulus values and the brightness value when the full power state with mass-tone LED lamp corresponding to described object matching look;
Step 104, brightness value according to the current brightness value of the described primitive colours LED lamp obtained and mass-tone LED lamp when the full power state calculates and upgrades brightness value, recalculate the tristimulus values of described object matching look using described renewal brightness value 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, according to the comparative result adjustment, the step of the current value of the primitive colours LED lamp corresponding with described current tristimulus values 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 according to the comparative result adjustment, and return to step 101, if comparative result, not in threshold range, performs step 103.
3. the adjustment method of mosaic display screen according to claim 1, is characterized in that, described according to the comparative result adjustment, the step of the current value of the primitive colours LED lamp corresponding with described current tristimulus values 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, reduce the current value of a kind of LED lamp 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, increase the current value of a kind of LED lamp 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 full power state of the current brightness value of the described primitive colours LED lamp that described basis is obtained and mass-tone LED lamp calculates and upgrades brightness value, and the luminance parameter using described renewal brightness value as described object matching look recalculates the step of tristimulus values 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 using described renewal brightness value as the luminance parameter of described object matching look, recalculate the tristimulus values of described object matching look.
5. according to the adjustment method of the described mosaic display screen of any one in claim 1 to 4, it is characterized in that, the current brightness value of the described primitive colours LED lamp that described basis is obtained and the mass-tone LED lamp brightness value when full power state calculates and upgrades brightness value, and the step that the luminance parameter using described renewal brightness value as described object matching look recalculates the tristimulus values of described object matching look comprises the following steps:
Obtain 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 current brightness value of described primitive colours LED lamp, L
mbrightness value for described mass-tone LED lamp when the full power state, L is L
r, L
g, L
bin the three one, Y
mfor described renewal brightness;
Obtain the colorimetric parameter of described object matching look, described renewal brightness value and the colorimetric parameter obtained are converted to the tristimulus values of described object matching look.
6. the debug system of a mosaic display screen, is characterized in that, comprising:
The first acquisition module, for obtaining the current tristimulus values of the current demonstration look of display unit;
Adjusting module, for the tristimulus values of more described current tristimulus values and object matching look, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment;
The second acquisition module, for the current brightness value that obtains the primitive colours LED lamp corresponding with described current tristimulus values and with mass-tone LED lamp corresponding to described object matching look the brightness value when the full power state;
Update module, current brightness value and the brightness value of mass-tone LED lamp when full power state for the described primitive colours LED lamp according to obtaining calculate the renewal brightness value, recalculate the tristimulus values of described object matching look using described renewal brightness value 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 for the comparative result in the tristimulus values of described current values and object matching look in threshold range the time, the current value of the primitive colours LED lamp corresponding with described current tristimulus values according to the comparative result adjustment;
Described the second acquisition module, for the comparative result in the tristimulus values of described current values and object matching look not in threshold range the time, obtain the current brightness value of the primitive colours LED lamp corresponding with described current tristimulus values and the brightness value when the full power state with mass-tone LED lamp corresponding to described object matching look.
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 tristimulus values of described object matching look, reduce the current value of a kind of LED lamp 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 tristimulus values of described object matching look, increase the current value of a kind of LED lamp 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 using described renewal brightness value as the luminance parameter of described object matching look, recalculate the tristimulus values of described object matching look.
10. according to the debug system of the described mosaic display screen of any one in claim 6 to 9, it is characterized in that, described update module further also for:
Obtain 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 current brightness value of described primitive colours LED lamp, L
mbrightness value for described mass-tone LED lamp when the full power state, L is L
r, L
g, L
bin the three one, Y
mfor described renewal brightness;
Obtain the colorimetric parameter of described object matching look, described renewal brightness value and the colorimetric parameter obtained are converted to the tristimulus values of described object matching look.
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| CN110702376A (en) * | 2018-10-12 | 2020-01-17 | 浙江宇视科技有限公司 | Display module troubleshooting method and device |
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| CN110719661B (en) * | 2019-10-16 | 2021-06-29 | 肖高利 | Algorithm for improving light source color rendering index to approach natural spectrum |
| CN112286604A (en) * | 2020-09-28 | 2021-01-29 | 广州视源电子科技股份有限公司 | Display picture color adjusting method and device and computer equipment |
| 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 |
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