CN201374174Y - Point-by-point luminance adjusting system - Google Patents
Point-by-point luminance adjusting system Download PDFInfo
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- CN201374174Y CN201374174Y CN200920106549U CN200920106549U CN201374174Y CN 201374174 Y CN201374174 Y CN 201374174Y CN 200920106549 U CN200920106549 U CN 200920106549U CN 200920106549 U CN200920106549 U CN 200920106549U CN 201374174 Y CN201374174 Y CN 201374174Y
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- emitting diode
- control system
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Abstract
The utility model discloses a point-by-point luminance adjusting system, which comprises a processing device. The processing device is provided with a storage unit, analyzes conformance of performance parameters according to the performance parameters of an external display device to obtain a target luminance range, generates adjusting data according to the target luminance range and stores the adjusting data to the storage unit, wherein the storage unit is used for providing the adjusting data to the display device. The display device is an LED display device, and the performance parameters are the performance parameters of each LED light-emitting diode in the display device. The luminance and chrominance of each LED light-emitting diode and a luminescent angle of each LED light-emitting diode in the display device can be adjusted through the point-by-point luminance adjusting system, therefore, the display device displays uniformly with good display effect.
Description
Technical field
The utility model relates to image and shows the alignment technique field, relates in particular to a kind of point-to-point brightness control system.
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 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.
Therefore, there is defective in prior art, needs to improve.
The utility model content
The utility model provides a kind of point-to-point brightness control system especially in order to solve deficiency of the prior art, utilizes this system can realize directly that data are accurate to each LED display lamp point brightness adjustment; And, adopt this system operation simple, full-automatic operation, adjustment degree of accuracy height.
The technical solution of the utility model is as follows: a kind of point-to-point brightness control system wherein, comprising: the treating apparatus that is provided with storage unit; Described treating apparatus is according to the display device performance parameter of outside, and the analytical performance parameter consistency obtains subject brightness range, generates according to described subject brightness range and adjusts data, stores described storage unit into; Described storage unit is used for, with described adjustment data and offer described display device; Wherein, described display device is the LED display device; Described performance parameter is the performance parameter of each the LED light emitting diode in the described display device.
Described point-to-point brightness control system wherein, also comprises master control set, and it is used for obtaining the described adjustment data of described storage unit; It also is used to receive outside vision signal, and generates first video data according to described vision signal and described adjustment data, offers described display device.
Described point-to-point brightness control system, wherein, described master control set is provided with first converting unit, be used for described vision signal is converted to second video data, according to described adjustment data and described second video data, generate described first video data, and offer described display device.
Described point-to-point brightness control system wherein, is provided with second converting unit; Described master control set is provided with the 3rd converting unit, is used for described vision signal is converted to second video data; Described second converting unit is used for generating described first video data, and offering described display device according to described adjustment data and described second video data.
Described point-to-point brightness control system, wherein, described second converting unit is arranged in the described treating apparatus.
Described point-to-point brightness control system, wherein, described display device is provided with at least one group of LED light emitting diode and drive control module thereof; Described drive control module is according to described first video data, and drive controlling is respectively organized the LED light emitting diode.
Described point-to-point brightness control system, wherein, it also comprises a harvester, is used to gather the performance parameter of each LED light emitting diode.
Described point-to-point brightness control system wherein, also is provided with an identify unit on the described display device, be used to identify the performance parameter of each LED light emitting diode.
Described point-to-point brightness control system, wherein, described performance parameter comprises the wavelength coverage and the brightness range of LED light emitting diode of all kinds.
Described point-to-point brightness control system, wherein, described identify unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
Adopt such scheme, the utility model is by the display device performance parameter for the treatment of apparatus according to the outside, the analytical performance parameter consistency, obtain subject brightness range, generate the adjustment data according to described subject brightness range, and offer described display device, thus directly realizing brightness adjustment to each LED light emitting diode in each LED display device, data are accurate; And, adopt this system operation simple, full-automatic operation, adjustment degree of accuracy height, adjusted display device homogenization effect is obvious, presents immediately.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment 1 in the utility model;
Fig. 2 is the synoptic diagram of embodiment 2 in the utility model;
Fig. 3 is the synoptic diagram of embodiment 3 in the utility model;
Fig. 4 is the synoptic diagram of embodiment 4 in the utility model;
Fig. 5 is the synoptic diagram of embodiment 5 in the utility model;
Fig. 6 is the synoptic diagram of embodiment 6 in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus.
Wherein, described treating apparatus is according to the performance parameter of each LED light emitting diode in the display device of outside, analyze the consistance of each LED light emitting diode performance parameter, obtain subject brightness range, treating apparatus generates according to described subject brightness range and adjusts data, and sends to described display device, after described display device receives described adjustment data, according to described adjustment data each LED light emitting diode is adjusted, the brightness of each LED light emitting diode is adjusted in the subject brightness range.
For example, described treating apparatus can be common computer, single-chip microcomputer, FPGA or the like.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 a LED display, perhaps be that LED display module or the LED in the LED display shows casing; The performance parameter of each LED light emitting diode comprises the brightness of each LED light emitting diode at least; For example, performance parameter is the wavelength of each LED light emitting diode, operating voltage, brightness or the like.And each LED treating apparatus can be adjusted one or adjust a plurality of described display device simultaneously respectively.
For example, adjust the brightness of each LED light emitting diode of a LED display, make the brightness of each LED light emitting diode of this LED display consistent with colourity, the display effect homogeneous, then can import the brightness of each LED light emitting diode of described LED display at described treating apparatus, operating voltage, data such as wavelength, by described treating apparatus analysis, obtain the subject brightness range that described LED display will be adjusted, generate the adjustment data according to described subject brightness range, and offer described LED display, described LED display is according to described adjustment data, realize the brightness adjustment of each LED light emitting diode in the described LED display, the brightness of each LED light emitting diode is adjusted in the subject brightness range, the adjustment mode is simple, full-automatic, data are accurate, and the display consistency of adjusting each LED light emitting diode of back is good.
And, can adjust the colourity of described display device by the brightness ratio of adjusting redness, green and blue three-color LED light emitting diode, make described display device overall brightness all consistent with colourity, show homogenization, display effect is good; In addition, can also adjust the lighting angle of each LED light emitting diode, make described display device, have best visual angle in the characteristics place.
For example, present embodiment also provides a kind of point-to-point brightness control system, the treating apparatus of described point-to-point brightness control system in comprising each example, also comprises display device described in each example.That is to say that the display device merger of outside is gone in the point-to-point brightness control system, and promptly it comprises treating apparatus and display device.
Described display device is provided with at least one group of LED light emitting diode and drive control module thereof; Wherein, every group of LED light emitting diode comprises at least one LED light emitting diode, and each LED light emitting diode can be red LED light emitting diode, blue led light emitting diode or green LED light emitting diode; And each organizes the LED light emitting diode can be arranged.
Described treating apparatus also is used to receive outside vision signal, and according to described adjustment data, generate first video data, send to described display device, described drive control module obtains described first video data from described treating apparatus, and be used for drive controlling and respectively organize the LED light emitting diode, make and respectively organize the described video signal information of LED diode displaying, and, it is consistent with lighting angle that each organizes the brightness of LED lumination of light emitting diode, thereby make described display device show homogenization, display effect is good.
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 is gathered the brightness data of lamp point; And collecting device comprises camera, the image data of camera collection lamp point.
Lamp point by part in the opertaing device control LED display, it is shown certain brightness, that is to say, certain brightness that the lamp point of lighting is shown, be interpreted as herein that not should surpass collecting device once gather and obtain the required maximum magnitude of lighting lamp point of data, and with described opertaing device control adjust the camera site and parameters such as angle and shutter of collecting device such as camera after, take, wherein, the sweep frequency of scan screen is depended in the setting of camera shutter; Thereby obtain the view data of LED display top lamp point when lighting, and handled successively in this way by described opertaing device, described collecting device gets access to the view data of all lamp points on the 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 video data can be one of them or its combination of the view data obtained by collecting device and the brightness data that obtained by the luminance meter.
Described opertaing device is in the image data that camera collects, extract any two lamp dot center distances, 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, is in the file of BIN with described adjustment data storage at form, certainly, also can be stored in the file of extended formatting, adjust file as form, for example 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 handled the back generate 100,000,000 transmission signals, 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 generates final video data according to 100,000,000 transmission signals and the first adjustment data processing, sends to described LED display; LED display shows according to final video data.
Adopt the present embodiment point-to-point brightness control system, the adjustment of described display device can at any time be carried out, simple to operate, full-automatic operation, adjustment degree of accuracy height.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus; Perhaps present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus and display device.
In the present embodiment, at least one identify unit is set also on described display device also, described identify unit can be a paper labels or plastic label; In addition, described identify unit can also adopt to paste or embed to be arranged on the described display device for having the bar code that designs according to each LED light emitting diode performance parameter.
Described identify unit is used to identify the performance parameter of each LED light emitting diode, as, described performance parameter comprises the wavelength coverage and the brightness range of LED light emitting diode of all kinds.For example, can show casing, an identify unit is set respectively, be used for identifying each performance parameter of its corresponding LED display module or each LED light emitting diode of LED demonstration casing at each a LED display module of forming a LED display or a LED.
And for example, as shown in Figure 2, on display device 1 and display device 2 identify unit is set respectively, each identify unit is used for the performance parameter of each LED light emitting diode on difference identifier display 1 and the display device 2.For example, identify the model, brightness range, wavelength coverage, reference color temperature, operating voltage range or the like of each LED light emitting diode.
Described identify unit embeds the edge part that is arranged on its corresponding display device, for example, can be arranged on each side of display device; In addition, can also be arranged on the edge of side of display device.
For example, identify unit is arranged on the edge part of its corresponding LED display module, each parameter of each LED display module is perfectly clear, accurately, conveniently check, and, can make the display surface of the LED display casing of composition or LED display more attractive in appearance.
And the identify unit embedding is arranged on the described display device, can make identify unit deposit, use, be not easy to come off under the situation such as transportation, make display device, still can clearly recognize each performance parameter of each LED light emitting diode through long storage time, use or transportation.
And for example, described identify unit is set to bar code, bar code can be imported computer like this, adopts the electronic tool management simultaneously, and management is standardized more, makes in searching, more convenient when using and assembling each display device.
Embodiment 3
As shown in Figure 3, similar to above-mentioned each example, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus; Perhaps present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus and display device.
In the present embodiment, described point-to-point brightness control system also is provided with storage unit, described storage unit is arranged in the described treating apparatus, and for example, described storage unit is a storer, and, described treating apparatus is a common computer, and described storer can be arranged on common computer inside, is wholely set with described common computer, can save taking up room of present embodiment point-to-point brightness control system more, operate simpler.
After described treating apparatus generates described adjustment data, send to described storage unit with described adjustment data are described; Described storage unit is with described adjustment data storage, when needs are adjusted outside display device, can access described adjustment data from described storage unit, and send to described display device, thereby realize the brightness adjustment of each LED light emitting diode of described display device, realize the homogenization that shows.
Embodiment 4
As shown in Figure 4, similar to above-mentioned each example, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus; Perhaps present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus and display device.
In the present embodiment, also comprise a master control set, described master control set one end is connected with described treating apparatus, and the other end is connected with described display device, and described treating apparatus sends to described master control set after generating and adjusting data.Described master control set also is provided with a signal input interface, outside vision signal inputs to described master control set by described signal input interface, master control set generates first video data according to the described adjustment data that receive and the described vision signal of reception, offers described display device; Drive control module in the described display device obtains described first video data, and according to described each LED light emitting diode of the first video data drive controlling, 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 unanimity of described display device, show homogenization, display effect is good.
Embodiment 5
As shown in Figure 5, on the basis of embodiment 4, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus; Perhaps present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus and display device.
In the present embodiment, at described master control set first converting unit is set, input to the described vision signal in the master control set, change by described first converting unit, produce second video data, described master control set generates described first video data according to described adjustment data and described second video data, and is sent to described display device; Drive control module in the described display device obtains described first video data, and according to described each LED light emitting diode of the first video data drive controlling, make each LED lumination of light emitting diode brightness homogeneous, the whole display brightness unanimity of described display device, show homogenization, display effect is good.
Embodiment 6
As shown in Figure 6, on the basis of embodiment 5, present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus; Perhaps present embodiment provides a kind of point-to-point brightness control system, and described point-to-point brightness control system comprises treating apparatus and display device.
In the present embodiment, at described master control set the 3rd converting unit is set, input to the described vision signal in the master control set, change by described the 3rd converting unit, generate second video data, after the conversion, described second video data that described master control set will generate sends to described storage unit and stores; Wherein said storage unit can independently be provided with, and also can be arranged on described treating apparatus inside.And, second converting unit is set in described storage unit; Described second converting unit generates described first video data, and sends to described display device according to the described adjustment data and described second video data that are stored in the storage unit; Drive control module in the described display device obtains described first video data, and according to described each LED light emitting diode of the first video data drive controlling, make each LED lumination of light emitting diode brightness homogeneous, the whole display brightness unanimity of described display device, show homogenization, display effect is good.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (10)
1, a kind of point-to-point brightness control system is characterized in that, comprising: the treating apparatus that is provided with storage unit;
Described treating apparatus is according to the display device performance parameter of outside, and the analytical performance parameter consistency obtains subject brightness range, generates according to described subject brightness range and adjusts data, and store described storage unit into;
Described storage unit is used for, and described adjustment data are offered described display device;
Wherein, described display device is the LED display device;
Described performance parameter is the performance parameter of each the LED light emitting diode in the described display device.
2, point-to-point brightness control system according to claim 1 is characterized in that, also comprises master control set, and it is used for obtaining the described adjustment data of described storage unit;
It also is used to receive outside vision signal, and generates first video data according to described vision signal and described adjustment data, offers described display device.
3, point-to-point brightness control system according to claim 2, it is characterized in that, described master control set is provided with first converting unit, be used for described vision signal is converted to second video data, according to described adjustment data and described second video data, generate described first video data, and offer described display device.
4, point-to-point brightness control system according to claim 2 is characterized in that, it also is provided with second converting unit;
Described master control set is provided with the 3rd converting unit, is used for described vision signal is converted to second video data;
Described second converting unit is used for generating described first video data, and offering described display device according to described adjustment data and described second video data.
5, point-to-point brightness control system according to claim 4 is characterized in that, described second converting unit is arranged in the described treating apparatus.
6, point-to-point brightness control system according to claim 3 is characterized in that, described display device is provided with at least one group of LED light emitting diode and drive control module thereof;
Described drive control module is according to described first video data, and drive controlling is respectively organized the LED light emitting diode.
7, point-to-point brightness control system according to claim 6 is characterized in that, it also comprises a harvester, is used to gather the performance parameter of each LED light emitting diode.
8, point-to-point brightness control system according to claim 6 is characterized in that, an identify unit also is set on the described display device, is used to identify the performance parameter of each LED light emitting diode.
9, point-to-point brightness control system according to claim 8 is characterized in that, described performance parameter comprises the wavelength coverage and the brightness range of LED light emitting diode of all kinds.
10, point-to-point brightness control system according to claim 8 is characterized in that, described identify unit is a paper labels or plastic label; Perhaps, has the bar code that designs according to described LED light emitting diode parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106549U CN201374174Y (en) | 2009-03-18 | 2009-03-18 | Point-by-point luminance adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106549U CN201374174Y (en) | 2009-03-18 | 2009-03-18 | Point-by-point luminance adjusting system |
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| CN201374174Y true CN201374174Y (en) | 2009-12-30 |
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| CN200920106549U Expired - Fee Related CN201374174Y (en) | 2009-03-18 | 2009-03-18 | Point-by-point luminance adjusting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771404A (en) * | 2010-01-08 | 2010-07-07 | 北京巨数数字技术开发有限公司 | LED control chip |
| CN102870152A (en) * | 2010-03-30 | 2013-01-09 | Ati科技无限责任公司 | Multiple display chrominance and luminance method and apparatus |
-
2009
- 2009-03-18 CN CN200920106549U patent/CN201374174Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771404A (en) * | 2010-01-08 | 2010-07-07 | 北京巨数数字技术开发有限公司 | LED control chip |
| CN101771404B (en) * | 2010-01-08 | 2016-01-20 | 深圳市中庆微科技开发有限公司 | A kind of LED control chip |
| CN102870152A (en) * | 2010-03-30 | 2013-01-09 | Ati科技无限责任公司 | Multiple display chrominance and luminance method and apparatus |
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Granted publication date: 20091230 Termination date: 20140318 |