CN101515438B - Display system of point-to-point brightness control and a method - Google Patents
Display system of point-to-point brightness control and a method Download PDFInfo
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Abstract
The invention discloses a display system of point-to-point brightness control and a method. The display system comprises a storage device and a display device; wherein, the display device is provided with at least a group of LEDs and a drive control module thereof; the storage device is provided with a table of adjustment data used for corresponding to each LED of the display device and storing the adjustment data; the storage device is also used for providing the adjustment data to the display device; the drive control module is used for controlling each group of LEDs by drive according to integration of first display data of the adjustment data; the brightness and lighting angle of each LED in the display device are adjusted by the display system to ensure that the display device has uniform display and good display effects.
Description
Technical field
The present invention relates to image shows and the alignment technique field to relate in particular to the display system that a kind of brightness point by point is adjusted, and to use this display system to carry out the method that brightness point by point is adjusted.
Background technology
LED display 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 of LED lamp optical characteristic, the 2nd, improve the homogeneity of display screen by the mode of proofreading and correct.The coherence method that improves LED lamp optical 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, then by calculating, the value of being adjusted, 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 one by one value, operate loaded down with trivial details, system complex, overlong time, manually-operated is too much, precision is low, inefficiency.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
The present invention provides a kind of point-to-point brightness control system and method in order to solve deficiency of the prior art, can realize directly that data are accurate to each LED display lamp point brightness adjustment; And, adopt this system simple to operate, full-automatic operation, to adjust degree of accuracy high.
Technical scheme of the present invention is as follows: the display system that a kind of brightness point by point is adjusted wherein, comprising: memory storage and display device; Described display device arranges at least one group of LED light emitting diode and drive control module thereof; Described memory storage arranges one and adjusts tables of data, is used for each LED light emitting diode of corresponding described display device, stores it and adjusts data; Described memory storage also is used for described adjustment data, offers described display device; Described drive control module is used for driving to control and respectively organizing the LED light emitting diode according to the first demonstration data of integrating described adjustment data; Described adjustment data are that according to the performance parameter of described display device, the analytical performance parameter consistency obtains subject brightness range, according to the adjustment data that described subject brightness range generates, is used for adjusting the brightness homogeneity of described display device; Described performance parameter is, the performance parameter of each LED light emitting diode in described display device.
Described display system, wherein, described memory storage is arranged on described display device.
Described display system wherein, also comprises treating apparatus; It is connected with described display device, described memory storage respectively, be used for the performance parameter according to described display device, the analytical performance parameter consistency obtains subject brightness range, generate according to described subject brightness range and adjust data, and store described adjustment tables of data into.
Described display system wherein, also comprises harvester; Described harvester is used for gathering image information and the monochrome information of each LED light emitting diode of described display device; Described treating apparatus also is used for analyzing image information and the monochrome information of each LED light emitting diode, obtains each performance parameter of each LED light emitting diode.
Described display system wherein, also comprises master control set, and it is used for obtaining described adjustment data; It also is used for receiving outside vision signal, and generates the first demonstration data according to described vision signal and described adjustment data, offers described display device.
Described display system, wherein, described master control set arranges the first converting unit, be used for that described vision signal is converted to second and show data, show data according to described adjustment data and described second, generate described first and show data, and offer described display device.
Described display system, wherein, it also arranges the second converting unit; Described master control set arranges the 3rd converting unit, is used for that described vision signal is converted to second and shows data; Described the second converting unit is used for showing data according to described adjustment data and described second, generates described first and shows data, and offer described display device.
A kind of brightness point by point is adjusted the method for display system, wherein, carries out following steps, and A, with the adjustment data of corresponding each LED light emitting diode in display device is stored in and adjusts on tables of data, and described adjustment data are used for adjusting the brightness homogeneity of described display device; B, with the described adjustment data on described adjustment tables of data, send to described display device; C, will integrate described adjustment data for the video data that shows, generate the first demonstration data; D, described display device show data according to described first, drive to control and respectively organize the LED light emitting diode.
Described method, wherein, before steps A, also carry out following steps A0: obtain the performance parameter of described display device, the analytical performance parameter consistency obtains subject brightness range, generates according to described subject brightness range and adjusts data; Described performance parameter is, the performance parameter of each LED light emitting diode in described display device.
Described method wherein, before steps A 0, is also carried out following steps: each performance parameter that identifies each LED light emitting diode in described display device.
Adopt such scheme, the present invention is by the adjustment data of each LED light emitting diode of adjustment tables of data corresponding stored in memory storage, and, send to described display device that each LED light emitting diode is adjusted, thereby directly realize the brightness adjustment to each LED light emitting diode in each LED display device, data are accurate; And, adopt this system simple to operate, full-automatic operation, to adjust degree of accuracy high, and the display device homogenization successful after adjustment presents immediately.
Description of drawings
Fig. 1 is the schematic diagram of embodiments of the invention 1;
Fig. 2 is the schematic diagram of embodiments of the invention 2;
Fig. 3 is the schematic diagram of embodiments of the invention 3;
Fig. 4 is the schematic diagram of embodiments of the invention 4;
Fig. 5 is the schematic diagram of embodiments of the invention 5;
Fig. 6 is the schematic diagram of embodiments of the invention 6.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, the display system that the present embodiment provides a kind of brightness point by point to adjust, described point-to-point brightness control system comprises memory storage and display device.
Described display device arranges at least one group of LED light emitting diode and drive control module thereof; Wherein, each group LED light emitting diode comprises at least one LED light emitting diode, and each LED light emitting diode can be respectively red LED light emitting diode or green LED light emitting diode or blue led light emitting diode; Described drive control module be used for to drive is controlled and respectively to be organized the LED light emitting diode, makes respectively to organize the LED light emitting diode and can show various figures, word, animation etc. according to demand.
For example, a luminous red LED light emitting diode, a green LED light emitting diode and the blue led light emitting diode of comprising of each group LED; More particularly, described drive control module can drive control chip for the ZQ1111 that the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces, and perhaps can drive chip for ZQL9705X control chip and the ZQ9729 that the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd produces.
Arrange one in described memory storage and adjust tables of data, described data adjustment form is used for the adjustment data of each LED light emitting diode of storage, and, the adjustment data of each LED light emitting diode are corresponding with described adjustment tables of data, and namely the adjustment data fixed storage of each LED light emitting diode is on the ad-hoc location of described data adjustment form.Wherein, the adjustment data of each LED light emitting diode are the performance parameters according to each LED light emitting diode in described display device, and the analytical performance parameter consistency, obtain subject brightness range, then generate according to described subject brightness range.Described performance parameter comprises wavelength coverage and the brightness range of LED light emitting diode of all kinds, and perhaps, described performance parameter can also comprise model, reference color temperature, operating voltage range of each LED light emitting diode etc.for example, described performance parameter is brightness and the wavelength of each LED light emitting diode in described display device, brightness and wavelength to each LED light emitting diode are analyzed, determined the Show Color of each LED light emitting diode due to the wavelength of LED light emitting diode, namely to R, G, the brightness of B LED light emitting diode of all kinds is analyzed, can obtain described display device and have optimal display result and display brightness all for the moment, the brightness range of each LED light emitting diode, again according to the difference of the intrinsic brilliance of this brightness range and former each LED light emitting diode, the brightness value that is about to object brightness data and corresponding monochromatic burner calculates, generate new brightness adjustment data, at last, again according to brightness value and the described brightness adjustment data of each lamp under white, generate final described adjustment data, and be stored in described memory storage.
Described display device provides described adjustment data by described memory storage; Correspondence is adjusted the brightness of each LED light emitting diode, makes the brightness homogenization of described display device integral body.
And, each drive control module in described display device, the first demonstration data according to integrating described adjustment data drive to control and respectively organize the LED light emitting diode, make respectively to organize the LED light emitting diode according to the various figures of actual needs demonstration, word, animation etc.Wherein, can integrate described adjustment data by each device is set, for example, by the V6 control system of Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, namely can be with described adjustment Data Integration for showing data.
For example: obtain the data of the required indicating characteristic information of the lamp point of adjusting LED display by collecting device, send to an opertaing device; Described indicating characteristic information data comprises brightness data and image data.For example, collecting device comprises the luminance meter, and the luminance meter gathers the brightness data of lamp point; And collecting device comprises camera, the image data of collected by camera lamp point.
Control the lamp point of part in LED display by opertaing device, it is shown certain brightness, that is to say, certain brightness that the lamp point of lighting is shown, be interpreted as that herein should not surpass collecting device once gathers the maximum magnitude that obtains required some bright light point of data, and after the camera site and the parameters such as angle and shutter of collecting device such as camera adjusted in described opertaing device control, take, wherein, the sweep frequency of scan screen is depended in the setting of camera shutter; Thereby obtain the view data of part lamp point when lighting on LED display, and processed successively in this way by described opertaing device, described collecting device gets the view data of all lamp points on LED display, sends to described opertaing device; The brightness data of the LED display 1 that the luminance meter is obtained sends to described opertaing device, and first shows that data can be one of them or its combinations of the view data obtained by collecting device and the brightness data that obtained by the luminance meter.
Described opertaing device collected by camera to image data in, extract any two lamps dot center distance, the brightness data that the luminance meter is collected, and the feature of each lamp, above data are calculated the adjustment data in described opertaing device, described adjustment data are stored in the file that form is BIN, certainly, also can be stored in the file of extended formatting, as the Format adjusting file, such as dat form or txt form etc., the present invention does not do any restriction to this, only need to realize that data access function gets final product.
Then, the DVI vision signal is processed rear generation 100,000,000 signal transmissions, send to described control device.Control device is adjusted data with described first and is carried out data-switching according to the configuration file of LED display, and adjusts data according to 100,000,000 signal transmissions and first and process the final data that show of generation, sends to described LED display; LED display shows that according to final data show.
The present embodiment is simple to operate, and system architecture is simple, precision is high, thereby increases work efficiency; And, can also adjust the visual angle of each LED light emitting diode by described adjustment data, make the visual angle of each LED light emitting diode consistent.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, described memory storage is arranged on described display device.
Described memory storage is arranged on described display device, and, can be arranged on any position of described display device, save the taking up room of display system of the present embodiment brightness point by point adjustment, simple in structure; When needs are adjusted in described display device each LED light emitting diode, can in time access described adjustment data and adjust, easy and simple to handle, and operation is not subjected to the restriction of when and where.
Embodiment 3
As shown in Figure 3, on the basis of above-mentioned each example, the display system of brightness point by point adjustment also comprises a treating apparatus; Described treating apparatus is connected with described memory storage, described treating apparatus is for the production of adjusting data and being stored in memory storage, and, described treating apparatus also is connected with described display device through described memory storage, be used for described adjustment data are sent to described display device, adjust the brightness of each LED light emitting diode on described display device.
wherein, the performance parameter of each LED light emitting diode in the described display device of input in described treating apparatus, for example input brightness and the wavelength of each LED light emitting diode, described treating apparatus is according to brightness and the wavelength of each LED light emitting diode, can obtain described display device and have optimal display result, and display brightness all for the moment, the brightness range of each LED light emitting diode, thereby the subject brightness range of obtaining, after obtaining subject brightness range, described treating apparatus is again according to the difference between the brightness of described subject brightness range and former each LED light emitting diode, generate described adjustment data, and store in described adjustment tables of data, the performance parameter of each LED light emitting diode comprises brightness and the wavelength of each LED light emitting diode at least, can also comprise model, operating voltage, colour temperature of each LED light emitting diode etc.
After described adjustment data generate, can be by described treating apparatus directly and send to described display device, perhaps, after sending to described memory storage to store by described treating apparatus, then send to described display device by the adjustment data that described memory storage will be stored; Described display device is adjusted each LED light emitting diode according to described adjustment data after receiving described adjustment data, makes the brightness adjustment of each LED light emitting diode in subject brightness range.
For example, described treating apparatus can be common computer, single-chip microcomputer, FPGA etc.In addition, described display device is the LED display device, as, can or be a LED display module or be that a LED shows casing for LED module or a LED display, be perhaps that LED display module or the LED in a LED display shows casing; The performance parameter of each LED light emitting diode comprises brightness and the wavelength of each LED light emitting diode at least; For example, performance parameter is, the wavelength of each LED light emitting diode, operating voltage, brightness etc.And each LED treating apparatus can be adjusted respectively one or adjust simultaneously a plurality of described display device.
For example, adjust the brightness of each LED light emitting diode of a LED display, make brightness and the colourity of this LED display integral body show homogenization, can be at the brightness of each LED light emitting diode of the described LED display of described treating apparatus input, wavelength etc., by described treating apparatus analysis, obtain the subject brightness range that described LED display will be adjusted, generate according to described subject brightness range and adjust data, be stored in described memory storage.
When adjusting this LED display, send described adjustment data by memory storage, perhaps send by described treating apparatus and adjust data to described LED display, described LED display is according to described adjustment data, the brightness adjustment of realization to each LED light emitting diode, the brightness adjustment that makes each LED light emitting diode is in subject brightness range, the adjustment mode is simple, full-automatic, data are accurate, and the display consistency of adjusting rear described LED display is good, the demonstration homogenization.
And, can make by the brightness ratio of adjusting redness, green and blue three-color LED light emitting diode described display device overall brightness and colourity homogenization, display effect is good; In addition, can also adjust the lighting angle of each LED light emitting diode, make described display device in the locality, have best visual angle.
Embodiment 4
As shown in Figure 4, on the basis of embodiment 3, in the display system that described brightness point by point is adjusted, described memory storage can also be arranged in described treating apparatus.
Described memory storage is arranged in described treating apparatus, for example, described memory storage is a storer, and described treating apparatus is a common computer, described storer can be arranged on common computer inside, be wholely set with described common computer, can more save the taking up room of display system of the present embodiment brightness point by point adjustment, and, simple in structure, processing ease.
Embodiment 5
As shown in Figure 5, on the basis of embodiment 3 or 4, the display system of described brightness point by point adjustment also comprises harvester; Described harvester is used for gathering image information and the monochrome information of each LED light emitting diode of described display device.
For example, described harvester is a video camera and a nitometer, can gather the image information of each LED light emitting diode by video camera, and, can gather the monochrome information of each LED light emitting diode by described nitometer.
The image information that collects and monochrome information, send to described treating apparatus, described treating apparatus is analyzed respectively image information and the monochrome information of each LED light emitting diode of collecting, namely can obtain each performance parameter of each LED light emitting diode, for example, obtain brightness and the wavelength of each LED light emitting diode by analysis.
Embodiment 6
As shown in Figure 6, on the basis of above-mentioned each example, in the present embodiment, the display system of brightness point by point adjustment also comprises master control set, and described master control set is used for obtaining described adjustment data; And, also be used for receiving outside vision signal, and generate the first demonstration data according to described vision signal and described adjustment data, offer described display device.
Described master control set one end is connected with described memory storage, the other end is connected with described display device, and described treating apparatus sends described memory device stores after generating and adjusting data, and send to described master control set, perhaps will adjust data by described memory storage and send to described display device.Described master control set also arranges a signal input interface, outside vision signal inputs to described master control set by described signal input interface, master control set generates first and shows data according to the described adjustment data that receive and the described vision signal of reception, offers described display device; Drive control module in described display device obtains described first and shows data, and show each LED light emitting diode of data drive control according to described first, make the described vision signal of each LED diode displaying, and the luminosity homogeneous of each LED light emitting diode, thereby make the whole display brightness of described display device consistent, show homogenization, display effect is good.
For example, at described master control set, the first converting unit is set, input to the described vision signal in described master control set, change by described the first converting unit, produce second and show data, described master control set shows data according to described adjustment data and described second, generates described first and shows data, and be sent to described display device; Drive control module in described display device obtains described first and shows data, and according to described first each LED light emitting diode of demonstration data drive control, making each LED lumination of light emitting diode brightness homogeneous, the whole display brightness of described display device is consistent, show homogenization, display effect is good.
Perhaps, the present embodiment can also arrange the second converting unit, for example, the second converting unit is set in described memory storage, and described master control set one end is connected with described treating apparatus, and the other end is connected with described memory storage.Described master control set arranges the 3rd converting unit, input to the described vision signal in master control set, change by described the 3rd converting unit, generate second and show data, after conversion, described the second demonstration data that described master control set will generate send to described memory storage, and wherein said memory storage can independently arrange, and also can be arranged on described treating apparatus inner.Described the second converting unit shows data according to the adjustment data and described second that are stored in described data adjustment form, generates described first and shows data, and send to described display device; Drive control module in described display device obtains described first and shows data, and according to described first each LED light emitting diode of demonstration data drive control, making each LED lumination of light emitting diode brightness homogeneous, the whole display brightness of described display device is consistent, show homogenization, display effect is good.
Embodiment 7
On the basis of above-mentioned each example, the present embodiment provides a kind of brightness point by point to adjust the method for display system, at first, the adjustment data of each LED light emitting diode in the object display device that will adjust, be stored on the adjustment tables of data of memory storage setting, the adjustment data of each LED light emitting diode are corresponding with the adjustment data, and namely on the equal corresponding adjustment tables of data of each LED light emitting diode, store a fixed position.
Wherein, described display device is the LED display device, comprising: LED display, LED show casing, LED display module etc.; And described LED display device comprises at least one group of LED light emitting diode and drive control module thereof, and described drive control module is used for driving controlling respectively organizes the LED light emitting diode.
Each performance parameter of each LED light emitting diode comprises wavelength and the brightness of LED light emitting diode of all kinds, can also comprise model, operating voltage, colour temperature of each LED light emitting diode etc.
Then, with the adjustment data on described adjustment tables of data, send to the adjustment aim display device, according to adjusting data, each LED light emitting diode of object display device is adjusted, the brightness of each LED light emitting diode of described display device is reached in the subject brightness range of adjusting data, thereby make the brightness homogeneous of described display device integral body; Simultaneously, by will be for the video data that shows, integrate described adjustment data, and be the first demonstration data with described adjustment Data Integration, by on described display device, drive control module being set, obtaining described first and show data, and respectively organize the LED light emitting diode for driving to control, make each LED diode displaying figure, word, animation etc., display brightness is consistent, shows homogeneous.
Embodiment 8
In the basis of embodiment 7, each performance parameter of each LED light emitting diode can obtain from manufacturer, for example, new LED display need to be adjusted the brightness of each LED light emitting diode when dispatching from the factory, make each LED lumination of light emitting diode brightness consistent, each performance parameter of each LED light emitting diode can directly obtain from production data.
in addition, the performance parameter of each LED light emitting diode also can obtain by harvester, and for example, when adjusting in a certain old LED display that has come into operation a certain LED display module, can be by image collecting device and brightness harvester, gather image information and the monochrome information of each LED light emitting diode, as adopt the camera acquisition image information, adopt nitometer to gather monochrome information, and by professional analysis software, image information and monochrome information to each LED light emitting diode are analyzed, namely can obtain each performance parameter of each LED light emitting diode.
After obtaining the performance parameter of each LED light emitting diode, can input to a treating apparatus, analyze the consistance of each performance parameter by described treating apparatus, obtain subject brightness range, and generate the adjustment data according to obtaining described subject brightness range on described treating apparatus.
Embodiment 9
On the basis of embodiment 8, also identify each performance parameter of each LED light emitting diode in described display device.
Each performance parameter can be identified on an identify unit, and described identify unit is arranged on described display device, each parameter of each LED light emitting diode is perfectly clear, accurately, conveniently check.
For example, described identify unit can be a paper labels or plastic label, adopt to paste or embed and be arranged on described display device, and, can also be set to aim at the bar code that each LED light emitting diode arranges by described identify unit, bar code can be inputted computer like this, adopt simultaneously the electronic tool management, management is standardized more, make in searching, more convenient when using and assembling each display device.
Embodiment 10
On embodiment 7 to 9 arbitrary basis, described adjustment data are sent to a master control set, and, the vision signal that will show simultaneously sends to described main device processed, described master control set is according to described vision signal, and according to described adjustment data, generation first shows data.
Perhaps, one first converting unit is set in described master control set, described the first converting unit with the vision signal of outside be converted to second show data after, described master control set shows data according to described adjustment data and second, generates first and shows data.
Perhaps, at described master control set, the 3rd converting unit is set, described the 3rd converting unit is according to the vision signal of outside, generate second and show data, and, at described memory storage, the second converting unit is set, described the second converting unit shows data and described adjustment data, generation the first demonstration data according to putting according to described second.
Drive control module also is set in described display device, and described drive control module obtains described first and shows data, and according to described the first demonstration data, drives and control each LED light emitting diode, thereby realize that each LED diode displaying brightness is consistent; Also adjust the whole colourity of described display device by the ratio of adjusting redness, green and blue led light emitting diode again, thereby make the whole homogeneous that shows of described display device, display effect is good; And, can also adjust the visual angle of described display device, make to reach actual demand.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection domain of claims of the present invention.
Claims (8)
1. the display system that brightness point by point is adjusted, is characterized in that, comprising: memory storage and display device;
Described display device arranges at least one group of LED light emitting diode and drive control module thereof;
Described memory storage arranges one and adjusts tables of data, is used for each LED light emitting diode of corresponding described display device, stores it and adjusts data;
Described memory storage also is used for described adjustment data, offers described display device;
Described drive control module is used for driving to control and respectively organizing the LED light emitting diode according to the first demonstration data of integrating described adjustment data;
Described adjustment data are that according to the performance parameter of described display device, the analytical performance parameter consistency obtains subject brightness range, according to the adjustment data that described subject brightness range generates, is used for adjusting the brightness homogeneity of described display device;
Described performance parameter is, the performance parameter of each LED light emitting diode in described display device;
Also comprise treating apparatus, it is connected with described display device, described memory storage respectively, be used for the performance parameter according to described display device, the analytical performance parameter consistency, obtain subject brightness range, generate according to described subject brightness range and adjust data, and store described adjustment tables of data into, the adjustment data fixed storage of each LED light emitting diode is on the ad-hoc location of described data adjustment form;
Also comprise harvester; Described harvester is used for gathering image information and the monochrome information of each LED light emitting diode of described display device;
Described treating apparatus also is used for analyzing image information and the monochrome information of each LED light emitting diode, obtains each performance parameter of each LED light emitting diode.
2. display system according to claim 1, is characterized in that, described memory storage is arranged on described display device.
According to claim 1 to 2 arbitrary described display system, it is characterized in that, also comprise master control set, it is used for obtaining described adjustment data;
It also is used for receiving outside vision signal, and generates the first demonstration data according to described vision signal and described adjustment data, offers described display device.
4. display system according to claim 3, it is characterized in that, described master control set arranges the first converting unit, be used for that described vision signal is converted to second and show data, show data according to described adjustment data and described second, generate described first and show data, and offer described display device.
5. display system according to claim 3, is characterized in that, it also arranges the second converting unit;
Described master control set arranges the 3rd converting unit, is used for that described vision signal is converted to second and shows data;
Described the second converting unit is used for showing data according to described adjustment data and described second, generates described first and shows data, and offer described display device.
6. the method for a brightness point by point adjustment display system, is characterized in that, carries out following steps,
A, with the adjustment data of corresponding each LED light emitting diode in display device, be stored in and adjust on tables of data, described adjustment data are used for adjusting the brightness homogeneity of described display device;
B, with the described adjustment data on described adjustment tables of data, send to described display device;
C, will integrate described adjustment data for the video data that shows, generate the first demonstration data; And storing described adjustment tables of data into, the adjustment data fixed storage of each LED light emitting diode is on the ad-hoc location of described data adjustment form; D, described display device show data according to described first, drive to control and respectively organize the LED light emitting diode.
7. method according to claim 6, is characterized in that, before steps A, also carry out following steps A0: the performance parameter of obtaining described display device, the analytical performance parameter consistency obtains subject brightness range, generates according to described subject brightness range and adjusts data;
Described performance parameter is, the performance parameter of each LED light emitting diode in described display device.
8. method according to claim 7, is characterized in that, before steps A 0, also carries out following steps: each performance parameter that identifies each LED light emitting diode in described display device.
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| CN102467870B (en) * | 2010-11-05 | 2015-10-28 | 深圳利亚德光电有限公司 | Intelligent storage method, device, system and LED display panel thereof and display |
| CN102155650B (en) * | 2010-12-29 | 2016-04-20 | 深圳市中庆微科技开发有限公司 | A kind of LED module stored with parameter |
| CN102290029B (en) * | 2011-05-19 | 2015-11-04 | 深圳市中庆微科技开发有限公司 | A kind of driving chip of pointwise adjustment |
| CN102385817B (en) * | 2011-11-28 | 2016-06-01 | 刘敬梅 | A kind of LED display screen system and management method thereof |
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| 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 |
| CN101329850A (en) * | 2008-07-09 | 2008-12-24 | 北京巨数数字技术开发有限公司 | LCD device |
| CN101355839A (en) * | 2007-07-26 | 2009-01-28 | 宇威光电股份有限公司 | Illuminating device as well as correction and control method thereof |
| CN101377900A (en) * | 2008-09-28 | 2009-03-04 | 北京巨数数字技术开发有限公司 | LED display system and display method thereof |
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2009
- 2009-03-18 CN CN2009100803131A patent/CN101515438B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101355839A (en) * | 2007-07-26 | 2009-01-28 | 宇威光电股份有限公司 | Illuminating device as well as correction and control method thereof |
| 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 |
| CN101329850A (en) * | 2008-07-09 | 2008-12-24 | 北京巨数数字技术开发有限公司 | LCD device |
| CN101377900A (en) * | 2008-09-28 | 2009-03-04 | 北京巨数数字技术开发有限公司 | LED display system and display method thereof |
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