CN105632398A - Adaptive color adjusting method and system of LED display device - Google Patents
Adaptive color adjusting method and system of LED display device Download PDFInfo
- Publication number
- CN105632398A CN105632398A CN201511005023.2A CN201511005023A CN105632398A CN 105632398 A CN105632398 A CN 105632398A CN 201511005023 A CN201511005023 A CN 201511005023A CN 105632398 A CN105632398 A CN 105632398A
- Authority
- CN
- China
- Prior art keywords
- color
- display device
- matrix
- led display
- chromaticity coordinates
- 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
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention is applied to the field of LED display, and provides an adaptive color adjusting method and system of an LED display device. The method comprises the following steps: obtaining color coordinates of a current display image of the LED display device; according to a current video standard, scheduling standard color coordinates and a gamma correction table in an ICC color management file; according to the color coordinates of the current display image and the standard color coordinates, calculating a color adjustment coefficient; and according to the gamma correction table and the color adjustment coefficient, adjusting pixel lamp currents of the LED display device so as to enable the color coordinates of the current display image to be consistent with the standard color coordinates. According to the invention, color adjustment can be carried out on video images displayed by the LED display device under different standards, the adjustment process is simple and rapid, and the method and system are suitable for wide promotion.
Description
Technical field
The invention belongs to LED and show field, particularly relate to self-adaptation color conditioning method and the system of a kind of LED display device.
Background technology
At present, the LED display device on market, has generally all carried out optical correction to display color before dispatching from the factory, has obtained fixing red-green-blue and white balance colour temperature.
But, in actual use, when LED display device plays the video of different standards standard, the chromatic characteristics such as the colour gamut adopted due to the video image of different standards standard and gamma correction table are inconsistent, there will be that fullness of shade is lost, look lacks, look residual and the phenomenon such as color distortion.
Summary of the invention
It is an object of the invention to provide the self-adaptation color conditioning method of a kind of LED display device and system, when being intended to the video solving LED display device broadcasting different standards standard, the chromatic characteristics such as the colour gamut adopted due to the video image of different standards standard and gamma correction table are inconsistent, there will be that fullness of shade is lost, look lacks, look residual and the problem of the phenomenon such as color distortion.
The present invention realizes like this, the self-adaptation color conditioning method of a kind of LED display device, and for being automatically adjusted by the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, described method comprises:
Obtain the chromaticity coordinates of the current display image of LED display device;
According to current video formats, call the reference colour coordinate in ICC color management file and gamma correction table;
Chromaticity coordinates according to described current display image and described reference colour coordinate, calculate Color conditioning coefficient;
According to described gamma correction table and described Color conditioning coefficient, regulate the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
Preferably, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, the described chromaticity coordinates according to described current display image and reference colour coordinate, calculate Color conditioning coefficient, specifically comprise:
Chromaticity coordinates according to described current display image sets up color matrix A to be regulated;
According to reference colour coordinate Criterion color matrix B;
According to described color matrix A to be regulated and described Standard Colors matrix B, calculate described Color conditioning matrix T.
Preferably, described Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
Preferably, described method also comprises:
Obtain the chromaticity coordinates of the current display image of the LED display device after regulating;
Calculate the chromaticity coordinates of described current display image after regulating and the difference between described reference colour coordinate, and judge described difference whether in preset range;
If not, then according to described gamma correction table and described Color conditioning coefficient, the pixel lamp electric current of described LED display device is finely tuned.
Preferably, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, according to described gamma correction table and described Color conditioning coefficient, regulate the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate, specifically comprise:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
The embodiment of the present invention is also by the self-adaptation Color conditioning system of a kind of LED display device, and for being automatically adjusted by the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, described system comprises:
Color acquisition module, for obtaining the chromaticity coordinates of the current display image of LED display device;
Calling module, for according to current video formats, calling the reference colour coordinate in ICC color management file and gamma correction table;
Calculate module, for the value according to described current display image and chromaticity coordinates with described standard value and reference colour coordinate, calculating Color conditioning coefficient;
Adjustment module, for according to described gamma correction table and described Color conditioning coefficient, regulating pixel lamp electric current and the value of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
Preferably, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, described calculating module comprises:
First matrix sets up unit, for setting up color matrix A to be regulated according to the chromaticity coordinates of described current display image;
2nd matrix sets up unit, for according to described reference colour coordinate Criterion color matrix B;
Calculate unit, for according to described color matrix A to be regulated and described Standard Colors matrix B, calculating described Color conditioning matrix T.
Preferably, described Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
Preferably, described system also comprises:
Color verification module, for the chromaticity coordinates of the current display image of the LED display device after obtaining adjustment;
Difference calculates module, for the difference between the chromaticity coordinates of the described current display image after calculating adjustment and described reference colour coordinate, and judges described difference whether in preset range;
Two fine setting modules, if for described difference not in preset range, then according to described gamma correction table and described Color conditioning coefficient, finely tune the pixel lamp electric current of described LED display device.
Preferably, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, described adjustment module specifically for:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
Compared with prior art, its useful effect is in the present invention:
The pixel lamp electric current of LED display device is regulated according to the gamma correction table under different video standard and described Color conditioning coefficient, so that the chromaticity coordinates of current display image is consistent with reference colour coordinate, regulate process is simple, quick, be suitable for extensive popularization, more efficient compared with color adjustment method loaded down with trivial details in prior art;
By setting up color matrix A to be regulated and Standard Colors matrix B, to calculate Color conditioning matrix T, and the pixel lamp electric current of LED display device is regulated according to Color conditioning matrix T and gamma correction table, thus realize the adjustment of the chromaticity coordinates to current display image, can greatly improve sharpness of regulation, and control method is simple;
By judging the chromaticity coordinates of current display image after regulating and the difference between reference colour coordinate whether in preset range, and carry out Secondary Control when difference is not in preset range, can detect whether described Color conditioning reaches it is contemplated that prevent from regulating failure or make mistakes in time.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of the self-adaptation color conditioning method of the LED display device that the embodiment of the present invention provides;
Fig. 2 is the FB(flow block) of the self-adaptation color conditioning method of the LED display device that another embodiment of the present invention provides;
Fig. 3 is the structure block diagram of the self-adaptation Color conditioning system of the LED display device that the embodiment of the present invention provides;
Fig. 4 is the flow structure block diagram of the self-adaptation Color conditioning system of the LED display device that another embodiment of the present invention provides.
Embodiment
In order to make the object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.
Fig. 1 is the FB(flow block) of the self-adaptation color conditioning method of the LED display device that the embodiment of the present invention provides.
As shown in Figure 1, the self-adaptation color conditioning method of the LED display device that the embodiment of the present invention provides, for being automatically adjusted by the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, described method comprises:
Step S101: the chromaticity coordinates obtaining the current display image of LED display device.
In the present embodiment, described chromaticity coordinates refers to the coordinate being made up of the colourimetric number of R (red), G (green), B (indigo plant) three primary colours.
Step S102: according to current video formats, calls the reference colour coordinate in ICC color management file and gamma correction table.
In the present embodiment, ICC (InternationalColorConsortium, international color consortium) color management file refers to, the file based on ICC standard format that international color consortium is set up.
Step S103: according to the chromaticity coordinates of described current display image and described reference colour coordinate, calculates Color conditioning coefficient.
In the present embodiment, described Color conditioning coefficient refers to, when being adjusted to consistent with reference colour coordinate by the chromaticity coordinates currently showing image, the chromaticity coordinates of described current display image needs the corresponding multiple value increased or reduce.
In a preferred embodiment, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, step S103 specifically comprises:
Chromaticity coordinates according to described current display image sets up color matrix A to be regulated;
According to described reference colour coordinate Criterion color matrix B;
According to described color matrix A to be regulated and described Standard Colors matrix B, calculate described Color conditioning matrix T.
Color conditioning matrix T equals color matrix to be regulated except Standard Colors matrix B, that is, T=B/A; It is equal to: Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
Step S104: according to described gamma correction table and described Color conditioning coefficient, regulate the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
In a particular application, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, step S104, specifically comprises:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
Fig. 2 is the FB(flow block) of the self-adaptation color conditioning method of the LED display device that another embodiment of the present invention provides.
As shown in Figure 2, the self-adaptation color conditioning method of the LED display device that the present embodiment provides is the further improvement done in the method shown in Fig. 1, concrete, and described method comprises:
Step S201: the chromaticity coordinates obtaining the current display image of the LED display device after regulating.
Step S202: calculate the chromaticity coordinates of described current display image after regulating and the difference between described reference colour coordinate, and judge described difference whether in preset range.
In a particular application, described preset range, according to the color fullness of shade requirement of the video image to shown different systems, can set described preset range.
Step S203: if not (if that is, described difference is not in preset range), then according to described gamma correction table and described Color conditioning coefficient, finely tune the pixel lamp electric current of described LED display device.
In a particular application, Secondary Control only needs to be finely tuned by the pixel lamp electric current of described LED display device on the basis of step S104.
Fig. 3 is the structure block diagram of the self-adaptation Color conditioning system of the LED display device that the embodiment of the present invention provides.
As shown in Figure 3, the self-adaptation Color conditioning system of the LED display device that the embodiment of the present invention provides, for being automatically adjusted by the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, described system comprises:
Color acquisition module 101, for obtaining the chromaticity coordinates of the current display image of LED display device.
In a particular application, color acquisition module 101 can adopt colourimeter.
Calling module 102, for according to current video formats, calling the reference colour coordinate in ICC color management file and gamma correction table.
In a particular application, described video formats refers to video playback form, such as pal mode, NTSC standard and SECAM standard.
Calculate module 103, for the chromaticity coordinates according to described current display image and described reference colour coordinate, calculate Color conditioning coefficient.
In a particular application, calculating module 103 can be the micro-chip etc. that the CPU of PC client terminal or inside are written with the program calculating described Color conditioning coefficient.
Adjustment module 104, for according to described gamma correction table and described Color conditioning coefficient, regulating the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
In a particular application, described adjustment module 104 is specifically as follows backlight drive circuit and the backlight driving chip of LED display device.
In a particular application, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, described adjustment module 104 specifically for:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
In a preferred embodiment, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, described calculating module 103 comprises:
First matrix sets up unit, for setting up color matrix A to be regulated according to the chromaticity coordinates of described current display image;
2nd matrix sets up unit, for according to described reference colour coordinate Criterion color matrix B;
Calculate unit, for according to described color matrix A to be regulated and described Standard Colors matrix B, calculating described Color conditioning matrix T.
Color conditioning matrix T equals color matrix to be regulated except Standard Colors matrix B, that is, T=B/A; It is equal to: Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
In a particular application, described first matrix sets up module and the 2nd matrix sets up CPU that module is PC client terminal or inside is written with the micro-chip of matrix creation facilities program (CFP).
Fig. 4 is the flow structure block diagram of the self-adaptation Color conditioning system of the LED display device that another embodiment of the present invention provides.
As shown in Figure 4, the present embodiment is the further improvement done on the basis of the system shown in Fig. 3, and described system comprises:
Color verification module 201, for the chromaticity coordinates of the current display image of the LED display device after obtaining adjustment;
Difference calculates module 202, for the difference between the chromaticity coordinates of the described current display image after calculating adjustment and described reference colour coordinate, and judges described difference whether in preset range;
Two fine setting modules 203, if for described difference not in preset range, then according to described gamma correction table and described Color conditioning coefficient, finely tune the pixel lamp electric current of described LED display device.
In a particular application, described two fine setting moulds are soon on the first time current setting basis of aforesaid adjustment module, when described difference is not in preset range, the pixel lamp electric current of described display equipment is carried out second time adjustment, being different from first time current setting, this regulates and only carries out adjustment slightly with to the electric current of pixel lamp.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. done within the spirit and principles in the present invention, all should be included within protection scope of the present invention.
Claims (10)
1. a self-adaptation color conditioning method for LED display device, for automatically adjusting to the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, it is characterised in that, described method comprises:
Obtain the chromaticity coordinates of the current display image of LED display device;
According to current video formats, call the reference colour coordinate in ICC color management file and gamma correction table;
Chromaticity coordinates according to described current display image and described reference colour coordinate, calculate Color conditioning coefficient;
According to described gamma correction table and described Color conditioning coefficient, regulate the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
2. the self-adaptation color conditioning method of LED display device as claimed in claim 1, it is characterised in that, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, the described chromaticity coordinates according to described current display image and reference colour coordinate, calculate Color conditioning coefficient, specifically comprise:
Chromaticity coordinates according to described current display image sets up color matrix A to be regulated;
According to reference colour coordinate Criterion color matrix B;
According to described color matrix A to be regulated and described Standard Colors matrix B, calculate described Color conditioning matrix T.
3. the self-adaptation color conditioning method of LED display device as claimed in claim 2, it is characterised in that, described Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
4. the self-adaptation color conditioning method of LED display device as described in claim 1 or 3, it is characterised in that, described method also comprises:
Obtain the chromaticity coordinates of the current display image of the LED display device after regulating;
Calculate the chromaticity coordinates of described current display image after regulating and the difference between described reference colour coordinate, and judge described difference whether in preset range;
If not, then according to described gamma correction table and described Color conditioning coefficient, the pixel lamp electric current of described LED display device is finely tuned.
5. the self-adaptation color conditioning method of LED display device as claimed in claim 1, it is characterised in that, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, according to described gamma correction table and described Color conditioning coefficient, regulate the pixel lamp electric current of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate, specifically comprise:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
6. a self-adaptation Color conditioning system for LED display device, for automatically adjusting to the chromatic characteristic of described LED display device, to adapt to the display requirement of the video image of different standards standard, it is characterised in that, described system comprises:
Color acquisition module, for obtaining the chromaticity coordinates of the current display image of LED display device;
Calling module, for according to current video formats, calling the reference colour coordinate in ICC color management file and gamma correction table;
Calculate module, for the value according to described current display image and chromaticity coordinates with described standard value and reference colour coordinate, calculating Color conditioning coefficient;
Adjustment module, for according to described gamma correction table and described Color conditioning coefficient, regulating pixel lamp electric current and the value of described LED display device, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
7. the self-adaptation Color conditioning system of LED display device as claimed in claim 1, it is characterised in that, described Color conditioning coefficient is Color conditioning matrix T;
Corresponding, described calculating module comprises:
First matrix sets up unit, for setting up color matrix A to be regulated according to the chromaticity coordinates of described current display image;
2nd matrix sets up unit, for according to described reference colour coordinate Criterion color matrix B;
Calculate unit, for according to described color matrix A to be regulated and described Standard Colors matrix B, calculating described Color conditioning matrix T.
8. the self-adaptation Color conditioning system of LED display device as claimed in claim 7, it is characterised in that, described Color conditioning matrix T equals the inverse matrix A of color matrix A to be regulated-1With the product of Standard Colors matrix B, i.e. T=A-1*B��
9. the self-adaptation Color conditioning system of LED display device as described in claim 6 or 8, it is characterised in that, described system also comprises:
Color verification module, for the chromaticity coordinates of the current display image of the LED display device after obtaining adjustment;
Difference calculates module, for the difference between the chromaticity coordinates of the described current display image after calculating adjustment and described reference colour coordinate, and judges described difference whether in preset range;
Two fine setting modules, if for described difference not in preset range, then according to described gamma correction table and described Color conditioning coefficient, finely tune the pixel lamp electric current of described LED display device.
10. the self-adaptation Color conditioning system of LED display device as claimed in claim 6, it is characterised in that, described pixel lamp is by the LED pixel lamp array organized RGB three-color LED pixel lamp more and form;
Corresponding, described adjustment module specifically for:
According to described gamma correction table and described Color conditioning coefficient, regulate the electric current of each LED pixel lamp of described LED display device respectively, so that the chromaticity coordinates of described current display image is consistent with described reference colour coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005023.2A CN105632398B (en) | 2015-12-29 | 2015-12-29 | The adaptive color conditioning method and system of a kind of LED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005023.2A CN105632398B (en) | 2015-12-29 | 2015-12-29 | The adaptive color conditioning method and system of a kind of LED display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105632398A true CN105632398A (en) | 2016-06-01 |
| CN105632398B CN105632398B (en) | 2018-04-24 |
Family
ID=56047260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511005023.2A Active CN105632398B (en) | 2015-12-29 | 2015-12-29 | The adaptive color conditioning method and system of a kind of LED display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105632398B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039007A (en) * | 2017-06-19 | 2017-08-11 | 深圳天珑无线科技有限公司 | A kind of method and device of backlight illumination adjustment |
| CN107786864A (en) * | 2017-11-07 | 2018-03-09 | 深圳Tcl数字技术有限公司 | Television image display methods, equipment and readable storage medium storing program for executing |
| CN109671399A (en) * | 2018-12-11 | 2019-04-23 | 惠科股份有限公司 | Driving method and driving system of display module and display device |
| CN110322857A (en) * | 2019-07-05 | 2019-10-11 | 青岛海信电器股份有限公司 | Color compensation method and display equipment |
| CN112309312A (en) * | 2019-07-26 | 2021-02-02 | 西安诺瓦星云科技股份有限公司 | Image display method and device, receiving card, sending card and LED display system |
| CN112489592A (en) * | 2020-12-17 | 2021-03-12 | 苏州文视光电科技有限公司 | Automatic color adjusting system for LED display screen |
| CN112637579A (en) * | 2020-11-04 | 2021-04-09 | 康佳集团股份有限公司 | Method and system for correcting Micro LED depth color |
| CN113450687A (en) * | 2020-03-24 | 2021-09-28 | 西安诺瓦星云科技股份有限公司 | Color management correction method, device and system |
| CN113596422A (en) * | 2021-07-13 | 2021-11-02 | 浙江大华技术股份有限公司 | Method for adjusting color correction matrix CCM and monitoring equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040218094A1 (en) * | 2002-08-14 | 2004-11-04 | Choi Seung Jong | Format converting apparatus and method |
| CN101287130A (en) * | 2007-04-12 | 2008-10-15 | 三星电子株式会社 | Apparatus and method for generating wide colour gamut signal in image capturing device |
| CN101743745A (en) * | 2007-04-26 | 2010-06-16 | 惠普发展公司，有限责任合伙企业 | Multiple format video display |
| CN102005181A (en) * | 2010-11-19 | 2011-04-06 | 深圳市金立翔光电科技有限公司 | Standard dot matrix light source and image point correction method of LED display screen |
| CN102034407A (en) * | 2010-11-29 | 2011-04-27 | 广东威创视讯科技股份有限公司 | Light-emitting diode screen color and brightness adjustment method and system |
-
2015
- 2015-12-29 CN CN201511005023.2A patent/CN105632398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040218094A1 (en) * | 2002-08-14 | 2004-11-04 | Choi Seung Jong | Format converting apparatus and method |
| CN101287130A (en) * | 2007-04-12 | 2008-10-15 | 三星电子株式会社 | Apparatus and method for generating wide colour gamut signal in image capturing device |
| CN101743745A (en) * | 2007-04-26 | 2010-06-16 | 惠普发展公司，有限责任合伙企业 | Multiple format video display |
| CN102005181A (en) * | 2010-11-19 | 2011-04-06 | 深圳市金立翔光电科技有限公司 | Standard dot matrix light source and image point correction method of LED display screen |
| CN102034407A (en) * | 2010-11-29 | 2011-04-27 | 广东威创视讯科技股份有限公司 | Light-emitting diode screen color and brightness adjustment method and system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039007A (en) * | 2017-06-19 | 2017-08-11 | 深圳天珑无线科技有限公司 | A kind of method and device of backlight illumination adjustment |
| CN107786864A (en) * | 2017-11-07 | 2018-03-09 | 深圳Tcl数字技术有限公司 | Television image display methods, equipment and readable storage medium storing program for executing |
| CN107786864B (en) * | 2017-11-07 | 2020-03-17 | 深圳Tcl数字技术有限公司 | Television picture display method, equipment and readable storage medium |
| CN109671399A (en) * | 2018-12-11 | 2019-04-23 | 惠科股份有限公司 | Driving method and driving system of display module and display device |
| CN110322857A (en) * | 2019-07-05 | 2019-10-11 | 青岛海信电器股份有限公司 | Color compensation method and display equipment |
| CN110322857B (en) * | 2019-07-05 | 2021-06-01 | 海信视像科技股份有限公司 | Color compensation method and display device |
| CN112309312A (en) * | 2019-07-26 | 2021-02-02 | 西安诺瓦星云科技股份有限公司 | Image display method and device, receiving card, sending card and LED display system |
| CN113450687A (en) * | 2020-03-24 | 2021-09-28 | 西安诺瓦星云科技股份有限公司 | Color management correction method, device and system |
| CN112637579A (en) * | 2020-11-04 | 2021-04-09 | 康佳集团股份有限公司 | Method and system for correcting Micro LED depth color |
| CN112489592A (en) * | 2020-12-17 | 2021-03-12 | 苏州文视光电科技有限公司 | Automatic color adjusting system for LED display screen |
| CN113596422A (en) * | 2021-07-13 | 2021-11-02 | 浙江大华技术股份有限公司 | Method for adjusting color correction matrix CCM and monitoring equipment |
| CN113596422B (en) * | 2021-07-13 | 2024-02-06 | 浙江大华技术股份有限公司 | Method for adjusting CCM (color correction matrix) and monitoring equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105632398B (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105632398A (en) | Adaptive color adjusting method and system of LED display device | |
| CN102026003B (en) | Method for correcting colors of multi-screen splicing wall | |
| CN106373523B (en) | Spliced bright and dark line compensation method | |
| CN100587781C (en) | On-line brightness correcting and color gamut optimizing method for full-color LED display screen | |
| US8294827B2 (en) | White balance correction method | |
| WO2017059732A1 (en) | Display device for adjusting display colour gamut and method for adjusting display colour gamut therefor | |
| CN101916539B (en) | System and method for correcting brightness and chromaticity of LED display screen point by point | |
| CN103327259B (en) | The parameter regulation means of LED display correction camera and device | |
| CN104091566B (en) | Display screen bright chroma control method, LED display control method and system | |
| CN104778920B (en) | The bright concealed wire compensation method of splicing of LED display | |
| CN101290755A (en) | Display apparatus and color data processing method thereof | |
| US20090060326A1 (en) | Image processing apparatus and method | |
| CN101729913B (en) | Method and system for adjusting image saturation | |
| CN103792704A (en) | Testing device, method of testing device, display device and display method of display device | |
| CN102638688A (en) | Method and apparatus for brightness-controlling image conversion | |
| CN104599636A (en) | Brightness and chrominance correction coefficient generation device and brightness and chrominance correction method for LED (light emitting diode) display screen | |
| CN110120207A (en) | Splicing large screen chroma-luminance consistency automatic adjustment system and bearing calibration | |
| US20140292616A1 (en) | Computer monitor equalization using handheld device | |
| CN101296383A (en) | Method and apparatus for displaying images having wide color gamut | |
| CN105898252A (en) | Television color adjustment method and device | |
| CN111640391A (en) | Display screen display adjusting method and system | |
| CN101644875A (en) | Color temperature correction method and projection system using same | |
| US20100156956A1 (en) | Grayscale characteristic for non-crt displays | |
| CN110379364B (en) | Brightness adjusting method and device based on display driving and chip | |
| CN104093012B (en) | A kind of white balance parameter adjustment assignment method, implementation method and relevant apparatus |
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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 1805, tower 2, Shenye Jinyuan Building, No.112, Qingshuihe 1st Road, Qingshuihe community, Luohu District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN AOTO ELECTRONICS Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park building T2 A6-B Patentee before: SHENZHEN AOTO ELECTRONICS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |