CN101635130B - System and method for adjusting brightness point by point - Google Patents
System and method for adjusting brightness point by point Download PDFInfo
- Publication number
- CN101635130B CN101635130B CN2008101170470A CN200810117047A CN101635130B CN 101635130 B CN101635130 B CN 101635130B CN 2008101170470 A CN2008101170470 A CN 2008101170470A CN 200810117047 A CN200810117047 A CN 200810117047A CN 101635130 B CN101635130 B CN 101635130B
- Authority
- CN
- China
- Prior art keywords
- brightness
- led casing
- camera
- data
- led
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 230000001915 proofreading effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention relates to a system and a method for adjusting brightness point by point. The system comprises a host computer, an online controller, a scanning controller, an LED case, a camera and a light quantity measuring instrument. The method for the system for adjusting the brightness point by point to adjust the brightness and the uniformity comprises the following steps: A, lightening the LED case, performing calculation, and placing well the positions of the camera and the light quantity measuring instrument; B, controlling the camera by the host computer to take pictures of the LED case automatically, and adjusting the brightness uniformity of lamp points on the LED case; and C, controlling the light quantity measuring tool by the host computer to measure the overall brightness of the LED case automatically, and adjusting the brightness of the lamp points on the LED case. By using the system and the method, firstly, the one-time acquisition of the brightness of the lamp points on the LED case is achieved, and the data is accurate; and secondly, by adopting the system, the operation is simple and fully automatic, the effect of the LED lamp points is obvious after the adjustment and is presented immediately.
Description
Technical field
The invention belongs to image and show the adjustment technology field, particularly a kind of LED is shown carried out system architecture and the implementation method that brightness point by point is adjusted.
Background technology
The LED screen is by hundreds of thousands and even semiconductor light-emitting-diode up to a million, that is: LED lamp point combines.All factors such as block according to inconsistent, the dust of lamp point of the optical characteristics difference of lamp point, component ageing, driving error, the angle of lamp point own, the shade of guard lamp point and all can cause the inhomogeneous of screen lamp point brightness.Solve at present the main path of this non-uniform phenomenon: the one, improve the consistance that LED light is learned characteristic, the 2nd, improve the homogeneity of display screen by the mode of proofreading and correct.The coherence method that improves LED light characteristic is to change screen, and this not only needs a large amount of manpowers, and the time also has substantial contribution.And the correcting mode of screen intensity is to utilize the luminance meter that each LED lamp point is measured, obtain the brightness value of each LED lamp point, by calculating, obtain adjusted value then, by control circuits such as electric currents LED lamp point is adjusted again, reached the homogeneous value of appointment.Like this need to each the point carry out value one by one, operate loaded down with trivial details, system complex, overlong time, manually-operated is too much, precision is low, inefficiency.
China's application number is: 200710076632.6 invention, its name is called: a kind of lightness data obtaining method and equipment thereof for the LED gamma correction, this application discloses method and the equipment thereof that a kind of LED proofreaies and correct, wherein adopting the mode of proofreading and correct is the current-modulation mode, the shortcoming of current-modulation mode is: the one, and the variation of drive current and brightness is not proportional relation, adjusts electric current along with the variation of brightness is difficult to accurate control; The 2nd, the parameter difference of variety classes LED lamp plate, drive current is also different with the relation curve of brightness, all will calculate again at every turn; The 3rd, the change of drive current can cause the variation of colourity, so change when electric current is regulated brightness colourity is changed, and after adjusting like this, can cause the difference of colourity when screen intensity changes, and makes image chroma deviation occur.
In sum, adjust the field in the LED brightness of image, press for a kind of not only practical but also economic method and solve the inhomogeneity problem of screen intensity.
Summary of the invention
The embodiment of the invention provides a kind of system and method for brightness point by point adjustment especially in order to solve deficiency of the prior art, and utilizing this system and method one is to realize that to the disposable collection of LED casing lamp point brightness data are accurate; The 2nd, adopt this system simple to operate, full-automatic operation, and the LED lamp point effect after adjusting is obvious, presents immediately.
According to the embodiment of the invention, the system that provides a kind of brightness point by point to adjust, this system architecture comprises: display system and Adjustment System, its display system comprises:
Be provided with the main frame of LED management tool module, be used for transmitting vision signal and control signal to online controller, by described LED management tool module controls LED casing;
Online controller is used for receiving described vision signal and described control signal, handles described vision signal according to described control signal, obtains video data, sends to scanning monitor;
Be provided with the scanning monitor of memory module, be used for receiving described video data, according to the LED cabinet configuration file of described memory module, handle described video data, generate the demonstration data, send to the LED casing;
The LED casing is connected with described scanning monitor, receives described demonstration data, shows;
This system architecture also comprises Adjustment System, and Adjustment System comprises:
Described main frame is also for the brightness data that transmits, receives and handle image of camera data and luminance meter, according to brightness and the homogeneity of described view data and described brightness data adjustment LED casing lamp point;
Camera for the brightness of obtaining LED casing lamp point, sends described view data to described main frame;
The luminance meter for the overall brightness of measuring the LED casing, sends described brightness data to described main frame.
Described main frame arranges control module, is used for sending control signals to respectively described camera and described luminance meter, and receives the brightness data that view data that camera passes back and luminance meter are passed back.
Described main frame arranges sending module, is used for described brightness data, directly sends to described scanning monitor.
Described main frame set handling module for the treatment of described view data, generates form and adjusts file, sends to described scanning monitor by described main frame.
Described scanning monitor is used for that also described form is adjusted file and is saved in described memory module, adjusts file according to described LED cabinet configuration file and described form, handles described video data, generates to show data, sends to described LED casing.
Described main frame also is used for by described LED management tool module, and object brightness is sent to described scanning monitor.
Described scanning monitor is used for that also described brightness data directly is saved in described form and adjusts file, and according to described object brightness, calculates with described brightness data, generates to show that data are sent to described LED casing.
Described scanning monitor adopts pulse width modulation mode.
Described camera is vertically installed in the place ahead of described LED casing, and its distance with described LED casing both sides equates, and described camera is no more than 3 degree to the distance and the angle of described camera to the vertical range of described LED casing of described LED casing both sides.
Described luminance meter is vertically installed in the place ahead of described LED casing, its distance with described LED casing both sides equates, described luminance meter is no more than 3 degree to the distance and the angle of described luminance meter to the vertical range of described LED casing of described LED casing both sides; And described luminance meter is arranged at the dead astern of camera.
Described system carries out the method for brightness and homogeneity adjustment, carries out according to the following steps:
A, light the LED casing, calculate and put the position of camera and luminance meter;
B, automatically described LED casing is taken pictures by the second host computer control camera, obtain view data and send to first main frame by online controller, handle by scanning monitor, the lamp point of described LED casing is carried out the adjustment of brightness homogeneity;
C, automatically the overall brightness of described LED casing is measured by the described second host computer control luminance meter, obtain brightness data and send to described first main frame by online controller, handle by scanning monitor, the lamp point of described LED casing is carried out the brightness adjustment.
The system and method that adopts a kind of brightness point by point of the present invention to adjust, can obtain following beneficial effect:
1, realize disposable lamp point brightness collection, data are accurate; Need not each LED casing lamp point is measured one by one, only need the LED casing is taken pictures.By the mode of the LED casing being taken pictures with camera or luminance meter, all lamp points are carried out disposable taking pictures, realization is carried out value to the brightness of each the LED lamp point on the picture, institute's brightness value that obtains is accurate, and with the computing method of science, calculate the vertical range between camera and screen, well solved the visual angle and caused the inhomogeneous problem of observing.
2, simple to operate, automation operating system; Need not to change the original structure of system, only need to connect on the computing machine survey instrument and get final product.Need not complicated manually-operated, take pictures and get brightness value, handle picture, generate and adjust data, the homogenization adjustment, the brightness adjustment, these all are to be finished automatically by system.Obtain brightness value from taking pictures, finish to adjusting, whole adjustment process is finished automatically, short, high efficiency of time, and can be as the adjustment of production line.
3, the homogenization effect after the adjustment is obvious, presents immediately; Effect after adjustment finishes is obvious, no matter detects from naked eyes and data to meet standard, and adjusts the effect that presents immediately after finishing after the adjustment.
4, on the basis that does not change existing display system, increased Adjustment System, be used for the brightness of LED casing lamp point and the disposable adjustment of homogeneity, cost is lower, and efficient increases, and is convenient to accepting extensively of user.
5, the present invention adopts pulse width modulation mode, and its advantage is that width modulation does not change drive current, and the constant current chip can not cause the variation of colourity.Under identical electric current, pwm pulse was directly proportional with the switch conduction time, made that adjustment is more accurate.
Description of drawings
Fig. 1 is display system architectures synoptic diagram of the present invention;
Fig. 2 is Adjustment System structural representation of the present invention;
Fig. 3 is system architecture synoptic diagram of the present invention;
Fig. 4 is camera putting position synoptic diagram of the present invention;
Fig. 5 is camera putting position computing formula synoptic diagram of the present invention.
Among the figure: 101, main frame; 102, online controller; 103 scanning monitors; 104, LED casing; 105, camera; 106, luminance meter; 201, lamp point; 202, camera is to the distance and the angle of camera to the vertical range of LED casing of LED casing both sides; 301, user's input.
Embodiment
Below by the drawings and the specific embodiments the present invention is described in further details.
With reference to accompanying drawing Fig. 1 and Fig. 3, its display system comprises: be provided with the main frame 101 of LED management tool module, be used for transmitting vision signal and control signal to online controller 102, by described LED management tool module controls LED casing 104; Online controller 102 is used for receiving described vision signal and described control signal, handles described vision signal according to described control signal, obtains video data, sends in the scanning monitor 103; Be provided with the scanning monitor 103 of memory module, be used for receive described video data, according to the configuration file of the LED casing 104 of described memory module, handle described video data, generate and show data, send in the LED casing 104; LED casing 104 is connected with described scanning monitor 103, receives described demonstration data, shows.
It wants content displayed the input media input 301 of user by the outside, main frame 101 is imported the user to handle and is formed the DVI vision signal, send in the online controller 102,102 pairs of DVI vision signals of online controller are handled the back and are generated 100,000,000 transmission signals, send in the scanning monitor 103, the 100000000 transmission signals that scanning monitor 103 will receive, configuration file according to the LED casing of storing is handled data, generate and show data, send in the LED casing in 104, LED casing 104 shows accordingly according to the demonstration data that receive.
Embodiment 2
With reference to accompanying drawing Fig. 2 and Fig. 3, wherein Adjustment System comprises: described main frame 101, also be used for transmitting, receiving and handle the view data of camera 105 and the brightness data of luminance meter 106, according to brightness and the homogeneity of described view data and described brightness data adjustment LED casing 104 lamp points; Described main frame 101 can the set handling module be finished transmission, reception and the processing capacity of data, also delivery module, receiver module and processing module can be set respectively, finishes transmission, reception and processing capacity respectively.
Embodiment 3
With reference to accompanying drawing Fig. 4 and Fig. 5, before the native system operation, should set up environment, build system.After at first LED casing 104 being placed into the camera site of appointment, light LED casing 104.
The position of calculating and having put camera 105 and luminance meter 106, camera 105 is no more than 3 degree to the distance and the angle of camera 105 to the vertical range of LED casing 104 of LED casing 104 both sides.Be the dead ahead that camera 105 is placed in LED casing 104, and on the horizontal axis of LED casing 104, camera 105 forms an isoceles triangle shape to the distance of LED casing 104 both sides with LED casing 104, the angle of two waists is smaller or equal to 6 degree.
The calculating of distance: R is the radius of LED casing, L be camera to the vertical range of LED casing, the angle that a is camera to the distance of casing both sides and camera to the vertical range of casing.
L=R/tan (a) and a=＜3 degree
L＞＝R/tan(3)
L＞＝R/(0.05)
Example: diameter is 1 meter screen, asks the distance L of camera and screen.
L＞＝0.5/(0.05)
L＞=10 meter
Luminance meter 106: with the placement of camera 105, luminance meter 106 is placed into the dead astern normal to screen of camera 105.Same, luminance meter 106 is placed in the dead ahead of LED casing 104, and on the horizontal axis of LED casing 104, and is placed on the rear of camera 105, luminance meter 106 forms an isoceles triangle shape to the distance of LED casing 104 both sides with LED casing 104, and the angle of two waists is smaller or equal to 6 degree.
Embodiment 4
With reference to accompanying drawing Fig. 3, Fig. 4 and Fig. 5, the system that a kind of brightness point by point is adjusted obtains the method that brightness and homogeneity are adjusted, and described method is carried out according to the following steps:
A, set up environment, build system, light LED casing 104, calculate and put the position of camera 105 and luminance meter 106;
B, automatically LED casing 104 is taken pictures by main frame 101 control cameras 105, and the respective handling by main frame 101 and scanning monitor 103, carry out the brightness homogeneity adjustment of LED casing 104 lamp points;
C, automatically the overall brightness of LED casing 104 is measured by main frame 101 control luminance meters 106, and passed through the respective handling of main frame 101 and scanning monitor 103, carry out the brightness adjustment of LED casing 104 lamp points;
D, adjustment finish, Print Label numbering packaged LED casing 104.
All the other principles of present embodiment are identical with the 1st, 2 and 3 embodiment, do not repeat them here.
Carried out further announcement by the present invention of above embodiment, but scope of the present invention is not limited thereto, under the condition that does not depart from the present invention's design, more than each element can replace with the similar or equivalent element that affiliated technical field personnel understand.
Claims (9)
1. the system that adjusts of a brightness point by point, its display system comprises:
Be provided with the main frame of LED management tool module, be used for transmitting vision signal and control signal to online controller, by described LED management tool module controls LED casing;
Online controller is used for receiving described vision signal and described control signal, handles described vision signal according to described control signal, obtains video data, sends to scanning monitor;
Be provided with the scanning monitor of memory module, be used for receiving described video data, according to the LED cabinet configuration file of described memory module, handle described video data, generate the demonstration data, send to the LED casing;
The LED casing is connected with described scanning monitor, receives described demonstration data, shows;
This system architecture also comprises Adjustment System, and Adjustment System comprises:
Described main frame is also for the brightness data that transmits, receives and handle image of camera data and luminance meter, according to brightness and the homogeneity of described view data and described brightness data adjustment LED casing lamp point;
Described main frame set handling module for the treatment of described view data, generates form and adjusts file, sends to described scanning monitor by described main frame; Camera for the brightness of obtaining LED casing lamp point, sends described view data to described main frame; Described camera is no more than 3 degree to the distance and the angle of described camera to the vertical range of described LED casing of described LED casing both sides;
The luminance meter for the overall brightness of measuring the LED casing, sends described brightness data to described main frame; Described luminance meter is no more than 3 degree to the distance and the angle of described luminance meter to the vertical range of described LED casing of described LED casing both sides.
2. system according to claim 1 is characterized in that, described main frame arranges control module, is used for sending control signals to respectively described camera and described luminance meter, and receives the brightness data that view data that camera passes back and luminance meter are passed back.
3. system according to claim 1 is characterized in that, described main frame arranges sending module, is used for described brightness data, directly sends to described scanning monitor.
4. system according to claim 1, it is characterized in that, described scanning monitor is used for that also described form is adjusted file and is saved in described memory module, adjust file according to described LED cabinet configuration file and described form, handle described video data, generate the demonstration data, send to described LED casing.
5. system according to claim 4 is characterized in that, described main frame also is used for by described LED management tool module, and object brightness is sent to described scanning monitor;
Described scanning monitor is used for that also described brightness data directly is saved in described form and adjusts file, and according to described object brightness, calculates with described brightness data, generates to show that data are sent to described LED casing.
6. according to claim 1,4 or 5 arbitrary described systems, it is characterized in that described scanning monitor adopts pulse width modulation mode.
7. system according to claim 1, it is characterized in that, described camera is vertically installed in the place ahead of described LED casing, its distance with described LED casing both sides equates, and, described camera is no more than 3 degree to the distance and the angle of described camera to the vertical range of described LED casing of described LED casing both sides.
8. system according to claim 1, it is characterized in that, described luminance meter is vertically installed in the place ahead of described LED casing, its distance with described LED casing both sides equates, described luminance meter is no more than 3 degree to the distance and the angle of described luminance meter to the vertical range of described LED casing of described LED casing both sides; And described luminance meter is arranged at the dead astern of camera.
9. a system according to claim 1 carries out the method that brightness and homogeneity are adjusted, and it is characterized in that described method is carried out according to the following steps:
A, light the LED casing, calculate and put the position of camera and luminance meter; Described camera is no more than 3 degree to the distance and the angle of described camera to the vertical range of described LED casing of described LED casing both sides; Described luminance meter is no more than 3 degree to the distance and the angle of described luminance meter to the vertical range of described LED casing of described LED casing both sides;
B, automatically described LED casing is taken pictures by the second host computer control camera, obtain view data and send to first main frame by online controller, handle by scanning monitor, the lamp point of described LED casing is carried out the adjustment of brightness homogeneity;
C, automatically the overall brightness of described LED casing is measured by the described second host computer control luminance meter, obtain brightness data and send to described first main frame by online controller, handle by scanning monitor, the lamp point of described LED casing is carried out the brightness adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101170470A CN101635130B (en) | 2008-07-23 | 2008-07-23 | System and method for adjusting brightness point by point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101170470A CN101635130B (en) | 2008-07-23 | 2008-07-23 | System and method for adjusting brightness point by point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101635130A CN101635130A (en) | 2010-01-27 |
| CN101635130B true CN101635130B (en) | 2013-08-28 |
Family
ID=41594303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101170470A Active CN101635130B (en) | 2008-07-23 | 2008-07-23 | System and method for adjusting brightness point by point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101635130B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005183B (en) * | 2010-12-06 | 2015-09-02 | 深圳市中庆微科技开发有限公司 | A kind of adjustment of pointwise automatically control system |
| CN102402944B (en) * | 2011-12-20 | 2014-11-12 | 深圳市奥拓电子股份有限公司 | Point-by-point correcting system and point-by-point correcting method for LED display screen |
| CN104575373B (en) * | 2014-06-24 | 2017-06-06 | 西安诺瓦电子科技有限公司 | LED display module bright chroma corrects production line |
| CN104269156B (en) * | 2014-09-16 | 2016-08-17 | 西安诺瓦电子科技有限公司 | Brightness measurement value correction method, LED box bearing calibration and system |
| CN107507560A (en) * | 2017-08-21 | 2017-12-22 | 杭州视芯科技有限公司 | Brightness correcting method and system for LED display |
| CN112185299B (en) * | 2020-10-14 | 2022-05-20 | 西安诺瓦星云科技股份有限公司 | Correction method and device for display screen |
| CN114025449B (en) * | 2022-01-06 | 2022-03-25 | 永林电子股份有限公司 | Multi-level color-mixing LED lamp bead control and regulation management system |
| CN117789620A (en) * | 2022-09-22 | 2024-03-29 | 京东方科技集团股份有限公司 | Residual image detection method and residual image detection device of display panel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837925A (en) * | 2005-03-25 | 2006-09-27 | 索尼株式会社 | Backlight apparatus and liquid crystal display apparatus |
| CN101127191A (en) * | 2007-09-24 | 2008-02-20 | 杭州士兰微电子股份有限公司 | LED matrix screen parameter calibration system and method |
| CN101192362A (en) * | 2006-12-01 | 2008-06-04 | 康佳集团股份有限公司 | LEDLED display screen on site single-point calibration device and its method |
| CN101202015A (en) * | 2007-08-22 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Lightness data obtaining method and device for gamma correction of LED |
| CN101206833A (en) * | 2007-08-24 | 2008-06-25 | 深圳市同洲电子股份有限公司 | System and method for obtaining gamma correction data point-to-point as well as application system thereof |
| CN101217022A (en) * | 2008-01-04 | 2008-07-09 | 深圳市奥拓电子有限公司 | A LED display screen display calibration system and calibration method |
| CN201274152Y (en) * | 2008-07-23 | 2009-07-15 | 北京巨数数字技术开发有限公司 | System for pointwise lightness regulation |
-
2008
- 2008-07-23 CN CN2008101170470A patent/CN101635130B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837925A (en) * | 2005-03-25 | 2006-09-27 | 索尼株式会社 | Backlight apparatus and liquid crystal display apparatus |
| CN101192362A (en) * | 2006-12-01 | 2008-06-04 | 康佳集团股份有限公司 | LEDLED display screen on site single-point calibration device and its method |
| CN101202015A (en) * | 2007-08-22 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Lightness data obtaining method and device for gamma correction of LED |
| CN101206833A (en) * | 2007-08-24 | 2008-06-25 | 深圳市同洲电子股份有限公司 | System and method for obtaining gamma correction data point-to-point as well as application system thereof |
| CN101127191A (en) * | 2007-09-24 | 2008-02-20 | 杭州士兰微电子股份有限公司 | LED matrix screen parameter calibration system and method |
| CN101217022A (en) * | 2008-01-04 | 2008-07-09 | 深圳市奥拓电子有限公司 | A LED display screen display calibration system and calibration method |
| CN201274152Y (en) * | 2008-07-23 | 2009-07-15 | 北京巨数数字技术开发有限公司 | System for pointwise lightness regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101635130A (en) | 2010-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101635130B (en) | System and method for adjusting brightness point by point | |
| CN103067743B (en) | Quick adjustment system and method for liquid crystal display television | |
| RU2678644C2 (en) | Method of setting display parameter and system of liquid crystal display | |
| US8339385B2 (en) | On demand calibration of imaging displays | |
| CN104299601B (en) | Mosaic screen backlight illumination Automatic adjustment method and device, mosaic screen | |
| EP2988294B1 (en) | Production line for correcting brightness of led display module | |
| CN101650914B (en) | A kind of point-to-point correction system | |
| CN201904067U (en) | Nonuniform point-by-point correction system for full-color LED display screen | |
| CN106531049B (en) | A kind of brightness adjusting method and system of display panel | |
| CN104916259A (en) | Method of controlling brightness of display screen of medical display, device and medical display | |
| US20090109246A1 (en) | Display apparatus and control method thereof for saving power | |
| CN102097066A (en) | Driving method for local dimming of liquid crystal display device and apparatus using the same | |
| CN101441853A (en) | Apparatus, system and method for on-site adjustment of LED display screen | |
| CN103763550B (en) | Method for fast measuring crosstalk of stereoscopic display | |
| CN103926714A (en) | Gamma correction system and method for display device | |
| CN109637475A (en) | gamma debugging method of display panel | |
| CN104680997B (en) | A kind of VCOM compensation circuits and display device | |
| CN101377900A (en) | LED display system and display method thereof | |
| CN107564446A (en) | A kind of panel lighting machine, panel lighting test system and method for testing | |
| CN108376532A (en) | A kind of luminance compensation method and device of display device | |
| CN201340715Y (en) | Device and system for adjusting LED display screen on site | |
| CN103474011B (en) | The measuring appliance of display panel reaction velocity and correlation technique | |
| KR100975025B1 (en) | Digital Image Processing System for High Definition Resolution | |
| CN103500560B (en) | A kind of processes and displays module brightness data method, system and display device | |
| CN201274152Y (en) | System for pointwise lightness regulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: LI XIN Free format text: FORMER OWNER: BEIJING JUSHU DIGITAL TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20101224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100085 ROOM 402B, TOWER E, YINGCHUANG POWER PARK, NO.1, SHANGDI EAST ROAD, HAIDIAN DISTRICT, BEIJING TO: 518040 701, BUILDING 211, TAIRAN SCIENCE AND TECHNOLOGY PARK, CHEGONGMIAO, FUTIAN DISTRICT, SHENZHEN CITY |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20101224 Address after: 518040 Shenzhen City, Futian District Che Kung Temple science and Technology Parks Tairan 211 701 Applicant after: Li Xin Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402B power Creative Park Applicant before: Beijing Jushu Digital Technology Development Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FAN HONGXIA Free format text: FORMER OWNER: LI XIN Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518040 SHENZHEN, GUANGDONG PROVINCE TO: 518172 SHENZHEN, GUANGDONG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130506 Address after: 518172 Guangdong City, Longgang Province, north of the court of the North Road, Longgang Road, Jing Jing, the new town of, 2 A303 Applicant after: Fan Hongxia Address before: 518040 Guangdong city of Shenzhen province Futian District Che Kung Temple science and Technology Parks Tairan 211 701 Applicant before: Li Xin |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191126 Address after: Wuzhong Economic Development Zone in Suzhou City, Jiangsu Province, the River Street 215000 Wuzhong Road No. 1368 Building 1 Patentee after: Suzhou Wei you Intellectual Property Operation Co., Ltd. Address before: 518172, Shenzhen District, Guangdong City, Longgang Province, Huang Ting North Road, Tian An, Longgang Digital Town 2, A303 Patentee before: Fan Hongxia |