CN102005176B - System and method for field regulation of LED display screen - Google Patents
System and method for field regulation of LED display screen Download PDFInfo
- Publication number
- CN102005176B CN102005176B CN200910082062.0A CN200910082062A CN102005176B CN 102005176 B CN102005176 B CN 102005176B CN 200910082062 A CN200910082062 A CN 200910082062A CN 102005176 B CN102005176 B CN 102005176B
- Authority
- CN
- China
- Prior art keywords
- data
- display
- led display
- adjustment
- control
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention relates to a system and method for field regulation of an LED display screen. The system comprises acquisition equipment, first control equipment and the LED display screen; the acquisition equipment is used for acquiring and sending first data required by the regulation of light points of the LED display screen; the first data comprises brightness data and/or image data; the first control equipment is used for sending the first display data to the LED display screen and receiving and processing the first data to generate regulation data to be sent to the LED display screen so as to realize the control the LED display screen; and the LED display screen is used for receiving and displaying the first display data to be used as an acquired display image, also receiving the regulation data, and processing the first display data according to target brightness and the regulation data to generate second display data for displaying. The system and method can be used for realizing the acquisition of the light point brightness of the LED display screen at one time, with accurate data; and in addition, the operation is simple due to full automation, and the effect of the regulated LED light points is obvious and can be presented immediately.
Description
Technical field
The invention belongs to image display adjustment technology field, particularly a kind of system architecture of on-site adjustment of LED display screen and implementation method.
Background technology
LED display is by hundreds of thousands and even semiconductor light-emitting-diode up to a million, that is: LED point combines.All factors such as to block according to inconsistent, the dust of lamp point, the shade of guard lamp point of the optical characteristics difference of lamp point, component ageing, driving error, the angle of lamp point own and all can cause the uneven of screen lamp point brightness.The main path of this non-uniform phenomenon of current solution: one is the uniformity improving LED optical characteristics, two is the homogeneity being improved display screen by the mode of correction.The coherence method improving LED optical characteristics changes screen, and this not only needs a large amount of manpower, and the time also has substantial contribution.And the correcting mode of screen intensity utilizes luminance meter to measure each LED point, obtaining the brightness value of each LED point, then by calculating, being adjusted value, by control circuits such as electric currents, LED point is adjusted again, reach the homogeneous value of specifying.Need like this to carry out value one by one to each point, operate loaded down with trivial details, system complex, overlong time, manual operation is too much, and precision is low, inefficiency.
China's application number is: the invention of 200710028417.9, its name is called: a kind of wireless remote LED display screen control website system, that application discloses a kind of wireless remote LED display screen control website system, wherein adopt the multiple LED display curtain of the connection control of network, adopt the Long-distance Control that shortcoming maximum in this way just achieves LED display, and the brightness point by point adjustment technology of LED display is not mentioned.
In sum, in LED display brightness adjustment field, solve the problem of screen intensity uniformity in the urgent need to a kind of not only practical but also economic system and method.
Summary of the invention
The present invention, in order to solve deficiency of the prior art, specifically provides a kind of system of on-site adjustment of LED display screen, and utilize this system and method one to be realize the disposable collection of LED display lamp point brightness, data are accurate; Two is adopt this Dynamic System simple, and full-automatic operation, and the LED point successful after adjustment, present immediately.
Technical scheme of the present invention is as follows:
A system for on-site adjustment of LED display screen brightness, wherein, comprises collecting device, the first control appliance and LED display; Described collecting device, send for the first Data Concurrent obtained needed for the described LED display lamp point of adjustment; Wherein, described first data comprise brightness data and/or view data; Described first control appliance, for sending the first display data to LED display, also for receiving and processing described first data, generating adjustment data, being sent to described LED display, realizing the control to described LED display; Described LED display, for receiving and showing described first display data, carries out the display frame gathered as described collecting device; Also for receiving described adjustment data, and according to object brightness and described adjustment data processing first display data, generate second display data show.
Described system, wherein, also comprises the second control appliance, and it is for adopting the mode of Long-distance Control, by controlling described first control appliance, realizes the control to the lamp point on LED display.
Described system, wherein, described second control appliance, is arranged between described collecting device and described first control appliance, for receiving described first data, is sent to described first control appliance.
Described system, wherein, the described view data that collecting device described in described second control appliance process obtains or described brightness data, obtain described adjustment data, be sent to described first control appliance.
Described system, wherein, described LED display arranges control unit; Described control unit is used for receiving and processes described first display data, generates display transmission LED display and shows.
Described system, wherein, described LED display also arranges display unit; Described control unit also for receiving described adjustment data, and according to described object brightness and described adjustment data processing first display data, generate described second display data, control described display unit, shown by described LED display.
A method for on-site adjustment of LED display screen brightness, be applied to arbitrary above-mentioned system, it comprises the following steps: A, receive for control LED screen display first display data, be transferred to described LED display and show; B, the first Data Concurrent obtained needed for adjustment LED display lamp point send; C, reception process described first data, generate adjustment data, be sent to described LED display; D, according to object brightness and described adjustment data, process described first display data, generate second display data, control described LED display and show.
Described method, wherein, in step C, according to the characteristic value process of single lamp, the first data obtain described adjustment data respectively.
Described method, wherein, the characteristic value of described single lamp is by described first data, obtains R, G, B gray value first squared summation again of all pixels of single lamp.
Described method, wherein, for multiple described first data, then by the multiple described characteristic value summation of the correspondence of each single lamp, then asks the average of multiple described characteristic value, as the described characteristic value of the single lamp of correspondence.
Adopt the system of a kind of on-site adjustment of LED display screen of the present invention, following beneficial effect can be obtained:
1, realize disposable lamp point brightness collection, data are accurate; Without the need to measuring one by one each LED display lamp point, only need take pictures to LED display.By the mode of taking pictures to LED display with camera or luminance meter, disposable taking pictures is carried out to all lamps point, realize carrying out value to the brightness of each LED point on picture, well solve the problem that visual angle causes observation uneven.
2, native system adopts unit and two-shipper two kinds of modes to realize the control adjusted LED display pointwise, simple to operate, automation operating system; Without the need to changing the original structure of system, only needing computer connects peripheral apparatus, can effectively control cost.Without the need to the manual operation of complexity, take pictures and get brightness value, process picture, generate adjustment data, homogenization adjusts, and brightness adjustment, these are all automatically completed by system.From acquisition brightness value of taking pictures, terminate to adjustment, whole adjustment process completes automatically, and the time is short, operating efficiency is high.
3, the homogenization successful after adjustment, presents immediately; No matter successful after adjustment, detect can meet standard from naked eyes and data, and present the effect after adjustment after adjustment immediately.
4, adopt two-computer control system of the present invention, teletransmission data can be realized, save cost, save manpower.
5, the present invention adopts pulse width modulation mode, and its advantage is that pulsewidth modulation does not change drive current, and constant current chip can not cause the change of colourity.Under identical electric current, pwm pulse is directly proportional to switch conduction times, makes adjustment more accurate.
Accompanying drawing explanation
Fig. 1 is existing LED display control system structural representation;
Fig. 2 is one of LED display control system structural representation of the present invention;
Fig. 3 is LED display control system structural representation two of the present invention;
Fig. 4 is LED display control system structural representation three of the present invention.
Detailed description of the invention
Below by the drawings and the specific embodiments, the present invention is described in further details.
Embodiment 1
An example is, a kind of adjustment System of LED display brightness, comprises collecting device, LED display, and the first control appliance be connected with LED display; Described collecting device, send for the first Data Concurrent obtained needed for the described LED display lamp point of adjustment; Wherein, described first data comprise brightness data and/or view data; Described first control appliance, for sending the first display data to described LED display; Also for receiving and processing described first data, generate adjustment data, be sent to described LED display, realize the control to described LED display.Such as, described collecting device is camera, luminance meter, or is camera and luminance meter.
Such as, described adjustment System also comprises the second control appliance, and the second control appliance adopts the mode of Long-distance Control, controls described first control appliance, to realize the control to the lamp point on LED display.
On the basis of upper example, described second control appliance, can be arranged between described collecting device and described first control appliance, for receiving described first data, be sent to described first control appliance, thus adopt the mode of Long-distance Control, control described first control appliance, to realize the control to the lamp point on LED display.
On the basis of upper example, described second control appliance can also set up the processing unit of the second control appliance, process the described view data of described collecting device acquisition or described brightness data, obtain described adjustment data, be sent to described first control appliance by described second control appliance.
One more specifically example be, with reference to accompanying drawing Fig. 1, such as, the first described control appliance, namely the control system of LED display comprises: main frame 101, for the control of LED display 105; Frame controller 102, for receiving described vision signal and described control signal, vision signal according to described control signal process, obtains video data, is sent in scanning monitor 103; Being provided with the scanning monitor 103 of memory module, for receiving described video data, according to the configuration file of the LED display 105 that the LED box 104 of described memory module forms, processing described video data, generate display data, be sent in LED box 104; LED box 104, is connected with described scanning monitor 103, receives described display data, shows.
User inputs its content that will show by outside input unit, the first described control appliance also can comprise this input unit, user's input processing is formed DVI vision signal by main frame 101, be sent in frame controller 102, frame controller 102 pairs of DVI vision signals process rear generation 100,000,000 signal transmission, be sent in scanning monitor 103, 100,000,000 signal transmissions that scanning monitor 103 will receive, configuration file according to the LED box stored processes data, generate display data, be sent in LED box 104, the LED display 105 that LED box 104 forms shows accordingly according to the display data received.
Embodiment 2
On the basis of above-mentioned each example, an example is, a kind of fielded system adjusting LED display brightness, comprises collecting device, the first control appliance and LED display; Described collecting device, send for the first Data Concurrent obtained needed for the described LED display lamp point of adjustment; Wherein, described first data comprise brightness data and/or view data; Described first control appliance, for sending the first display data to LED display, also for receiving and processing described first data, generating adjustment data, being sent to described LED display, realizing the control to described LED display; Described LED display, for receiving and showing described first display data, carries out the display frame gathered as described collecting device; Also for receiving described adjustment data, and according to object brightness and described adjustment data processing first display data, generate second display data show.
Such as, described LED display arranges control unit; Described control unit is used for receiving and processes described first display data, generates display transmission LED display and shows.
On the basis of upper example, described LED display can also arrange display unit; Now, described control unit is also for receiving described adjustment data, described control unit arranges the process subelement of a control unit, and according to described object brightness and described adjustment data, by the first display data described in the process subelement process of control unit, generate described second display data, control described display unit, shown by described LED display.
An example is more specifically, with reference to accompanying drawing Fig. 2, provides a kind of fielded system adjusting LED display brightness, comprises collecting device, the first control appliance and LED display.Wherein, collecting device comprise camera 201, luminance meter 202, first control appliance comprise be provided with LED pipe grooming tool the first main frame 101, frame controller 102, be provided with the scanning monitor 103 of memory module.
Wherein, camera 201, luminance meter 202, the first main frame 101 being provided with LED pipe grooming tool, frame controller 102, the scanning monitor 103 being provided with memory module, LED display 105 are linked in sequence.
Described first control appliance, for sending the first display data to LED display, monochrome when the first display data can be R, G, B, the white shown when also can be RGB colour mixture;
Described collecting device, send for the first Data Concurrent obtained needed for the described LED display lamp point of adjustment; Wherein, described first data comprise brightness data and/or view data;
Described first control appliance, also for receiving and processing described first data, generates adjustment data, is sent to described LED display, realizes the control to described LED display.Described camera 201, for obtaining photo when lamp point 1/2 times of center brightness and 2 times of center brightness of adjusting described LED display 105, such as, 2 times of center brightness be display unit just unsaturated time brightness, the photo of display white is taken during four lamp virtual screen, clap look R, G, B monochrome during reality element, obtain the first adjustment data, be sent to described first main frame 101;
Described luminance meter 202, carries out record for lamp point R, G, B monochromatic brightness data obtaining LED display 105, obtains the 3rd adjustment data, is sent to described first main frame 101;
Brightness data during lamp point display white by described LED display 105 carries out record, obtains described 4th adjustment data, is sent to described first main frame 101;
Described first main frame 101, for realizing the control to LED display 105, send R, G, display data under the monochromatic display state of B, described frame controller 102 is dealt into as the first display data, and all characteristic value summations of described first adjustment data are processed respectively by described LED pipe grooming tool, ask the average of described all characteristic values again, by the characteristic value of single lamp respectively divided by described average, obtain the regulation coefficient of single lamp, described regulation coefficient K power value is calculated, K is empirical value herein, obtain described second adjustment data, be sent to described scanning monitor 103, and by described 3rd adjustment data, described 4th adjustment data, be sent to described scanning monitor 103, frame controller 102 pairs of DVI vision signals process rear generation 100,000,000 signal transmission, are sent in scanning monitor 103.Such as, this control system, i.e. the first control appliance, comprise more than a scanning monitor 103, then process the region that each scanning monitor 103 controls respectively, obtain the final display data of whole lamp points of described LED display, shown by described LED display 105.Final display data are the display data that each scanning monitor 103 adjusts rear generation, and when adjusting data not by frame controller 102, final display data are described 3rd display data; When adjusting data by frame controller 102, final display data are described 4th display data.
Described scanning monitor 103, described second adjustment data are multiplied by after in the 3rd adjustment data, again divided by this monochromatic normal brightness, obtain described 5th adjustment data, by the display data under lamp point display white state, be multiplied by described 5th adjustment data as the second display data, obtain described 6th adjustment data, again the whole screen object brightness data and the described 6th of filling in LED pipe grooming tool are adjusted after data are multiplied, divided by the 4th adjustment data, obtain described 3rd display data.
Such as, object brightness data are the situations according to actual field adjustment in this example, select the suitable brightness value in whole screen, both can determine according to technical staff's experience, and also can select the maximum brightness value that in whole screen, all lamp points can meet.
Described second adjustment data are carried out format conversion and are obtained the 7th adjustment data, are sent to described scanning monitor by the lamp point position of described frame controller form and described LED display needed for described scanning monitor;
Described scanning monitor stores described 7th adjustment data in local internal memory, according to described 3rd adjustment data, process described 7th adjustment data and obtain the 8th adjustment data, data are adjusted according to described second display data and described 8th adjustment data genaration the 9th, and adjust the 9th adjustment data described in data, object brightness data processing according to the described 4th, obtain the 4th display data.
According to different examples, display data can be described 3rd display data, also can be described 4th display data.
In this example, described LED display 105 is for showing according to described 3rd display data.
In this example, the calculating of described characteristic value, such as, first adjustment data are data that camera 201 obtains the R lamp in the view data of scanning monitor 103a control area, R lamp is made up of a lot of pixel, sue for peace after R, G, B gray value of all pixels of R lamp in selection area square again, obtain the characteristic value of this region R lamp.The characteristic value of described single lamp is the characteristic value of a R lamp, it should be appreciated by those skilled in the art that the pixel of monochromatic burner has R, G, B tri-components, is sued for peace by first square of R, G, B gray value of a R lamp again, obtain the characteristic value of single lamp.
Described main frame 101 sends instruction to camera 201, by camera, scanning monitor 103a control area is taken, R lamp in the view data obtained is generated the first adjustment data, be sent to described first main frame 101, described first main frame 101 is by all characteristic value summations of described first adjustment data, ask the average of described all characteristic values again, by single lamp characteristic value divided by described average, be adjusted coefficient, the regulation coefficient K power value of each lamp is calculated, obtain described second adjustment data, be sent to described scanning monitor 103a, data are stored in the BIN file in scanning monitor 103a, certainly, also can be stored in the file of extended formatting, as Format adjusting file, such as dat form or txt form etc., after first adjustment data complete the process of R lamp, to G, B adopts identical processing mode.
Described main frame 101 sends instruction light supply degree meter 202, measured by the R lamp brightness of luminance meter to the region that scanning monitor 103a controls, obtain the 3rd adjustment data (local brightness data) and send described main frame 101 to, described 3rd adjustment data are sent to scanning monitor 103 by described main frame 101, data are stored in the BIN file in scanning monitor 103, certainly, also can be stored in the file of extended formatting, as 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 data access function.Also adopt as above identical processing mode for G lamp or B lamp, the control area of scanning monitor 103a is shown as white, luminance meter 202 records this brightness data, obtains described 4th adjustment data, is sent to described main frame 101.
Described scanning monitor 103, after described second adjustment data are multiplied by the 3rd adjustment data, again divided by this monochromatic normal brightness, obtain described 5th adjustment data, described second display data are multiplied by described 5th adjustment data, obtain described 6th adjustment data, the more whole screen object brightness data and the described 6th of filling in LED pipe grooming tool are adjusted after data are multiplied, divided by the 4th adjustment data, obtain described 3rd display data.
Described LED display 105, for showing according to described 3rd display data.
Embodiment 3
On the basis of above-mentioned each example, described adjustment System and/or described fielded system, also comprise described second control appliance, such as, with reference to accompanying drawing 3, described second control appliance is the second main frame 301, second main frame 301 can transmit, receive and process the view data of camera 201 and the brightness data of luminance meter 202, adjustment data after process are sent to the first main frame 101 by Internet network, by described first main frame 101, first display data and the second adjustment data is sent to frame controller 102; Or the second main frame 301 also can not do any process, directly the data of peripheral hardware 201 are sent to the first main frame 101, process adjustment data by described first main frame 101, then the adjustment data after display data and process are sent to frame controller 102.
It should be noted that, the first main frame receives described first adjustment data, then by the first adjustment data described in the process of described LED pipe grooming tool, obtain the second adjustment data, be sent to described frame controller 102; First main frame receives described second adjustment data, then no longer adjust, be sent to described frame controller 102.
Described first adjustment data are process data in turn of R, G, B lamp point of described view data to described camera 201.
Described first adjustment data or described second adjustment data such as, by adopting remote mode, internet, wireless transmission etc., can be sent to described first main frame by the second main frame; Same, described first main frame also can adopt remote mode, and described second adjustment data are sent to frame controller.
The lamp point position of described frame controller 102 form and LED display 105 needed for scanning monitor 103, after described adjustment data are carried out format conversion, be sent to scanning monitor 103, described frame controller, also for the treatment of the display data receiving the first main frame, is sent in scanning monitor 103; Described adjustment data BIN formatted file is preserved by described scanning monitor 103, generates new display data, be sent to LED display 105 after process.
That is, described second adjustment data, for the lamp point position of form and described LED display needed for described scanning monitor, are carried out format conversion and are obtained the 7th adjustment data, be sent to described scanning monitor by described frame controller;
Described scanning monitor stores described 7th adjustment data in local internal memory, according to described 3rd adjustment data, process described 7th adjustment data and obtain the 8th adjustment data, data are adjusted according to described second display data and described 8th adjustment data genaration the 9th, and adjust the 9th adjustment data described in data, object brightness data processing according to the described 4th, obtain the 4th display data, be sent to described LED display;
Described LED display is used for showing according to described 4th display data.
Same as above, an example is, described frame controller 102 also can adopt remote mode, and required display data and adjustment data are sent to described scanning monitor 103.Such as, frame controller 102 arranges long-range sending module, on scanning monitor, correspondence arranges long-range receiver module; For receiver module, id information and syndrome module can also be set.
Same, an example is, described scanning monitor 103 also can adopt remote mode, and final display data are sent to LED display 105, carries out the brightness adjustment of LED display 105 lamp point.
All the other principles of the present embodiment are identical with the 2nd embodiment, do not repeat them here.
Embodiment 4
On the basis of above-mentioned each example, another example is, a kind of method adjusting LED display brightness, is applied in above-mentioned each example, the method comprises the following steps: A, receive for control shown by LED display first display data, be transferred to described LED display and show; Such as, by remote controlled manner, control the first display data and be sent to described LED display.B, the first Data Concurrent obtained needed for adjustment LED display lamp point send; Such as, by remote controlled manner, control acquisition first data, control it and be sent to the device processing described first data.C, reception process described first data, generate adjustment data, be sent to described LED display; Such as, according to the characteristic value process of single lamp, the first data obtain described adjustment data respectively.D, according to object brightness and described adjustment data, process described first display data, generate second display data, control described LED display and show.
On the basis of upper example, the characteristic value of described single lamp can be by described first data, obtains R, G, B gray value first squared summation again of all pixels of single lamp.On this basis, also perform step: judge whether to there are multiple described first data, be then by the multiple described characteristic value summation of the correspondence of each single lamp, then ask the average of multiple described characteristic value, as the described characteristic value of the single lamp of correspondence.
An example is more specifically, with reference to accompanying drawing Fig. 2 and Fig. 3, and a kind of method of LED display brightness adjustment, it comprises the following steps:
A, reception view data, process generation first adjusts data, first display data are sent to frame controller by the first main frame, and process all characteristic values summation in described first adjustment data by the process of LED pipe grooming tool respectively by described LED pipe grooming tool, ask the average of described all characteristic values again, by the characteristic value of single lamp respectively divided by described average, obtain the regulation coefficient of single lamp respectively, the regulation coefficient K power value of described single lamp is calculated, obtain described second adjustment data, be sent to described scanning monitor
B, for obtaining brightness data, obtain the 3rd adjustment data, be sent to scanning monitor; Another brightness data of described LED display is carried out record, obtains described 4th adjustment data, be sent to described scanning monitor;
C, described frame controller, obtain the second display data after carrying out format conversion, be sent to described scanning monitor for described first display data;
D, described scanning monitor, after described second adjustment data are multiplied by the 3rd adjustment data, again divided by this monochromatic normal brightness, obtain described 5th adjustment data, described second display data are multiplied by described 5th adjustment data, obtain described 6th adjustment data, the more whole screen object brightness data and the described 6th of filling in LED pipe grooming tool are adjusted after data are multiplied, divided by the 4th adjustment data, obtain described 3rd display data.
E, be sent to described LED display and show.
In the steps A of above method, the calculating of described characteristic value is summation after R, G, B gray value square of all pixels in the described first adjustment data of process;
The characteristic value of described single lamp is that first square of R, G, B gray value of all pixels of single lamp is sued for peace and obtained;
In steps A, if obtain multiple described image real time transfer to generate multiple described first adjustment data, then by multiple described characteristic value summation, then ask the average of multiple described characteristic value.
Described first adjustment data are process data in turn of R, G, B lamp point of described view data to described camera 201.
Further, for above two examples, in steps A, described second adjustment data are sent to frame controller by described first main frame;
And, step C also performs following steps C1: the lamp point position of described frame controller form and described LED display needed for described scanning monitor, described second adjustment data are carried out format conversion and obtains the 7th adjustment data, be sent to described scanning monitor;
Step D specifically performs following steps D1: described scanning monitor stores described 7th adjustment data in local internal memory, according to described 3rd adjustment data, process described 7th adjustment data and obtain the 8th adjustment data, data are adjusted according to described second display data and described 8th adjustment data genaration the 9th, and adjust the 9th adjustment data described in data, object brightness data processing according to the described 4th, obtain the 4th display data.In step, receive described view data or described brightness data by the second main frame 301, process generates described first adjustment data, and teletransmission is to described first main frame 101.Like this, by the connection of multiple main frame, collaborative work can be realized.
Further, in step D, described scanning monitor 103 also stores its data needing to be sent to described LED display.
Now, before step e, also perform following steps: judge whether other scanning monitors 103 in addition, be, continue to perform steps A.Like this, can the whole scanning monitor of poll, until after processing whole data, then show.
Embodiment 5
With reference to accompanying drawing Fig. 4 and Fig. 3, a kind of method of on-site adjustment of LED display screen, carry out according to the following steps:
A, receive for control LED screen display first display data, be transferred to described LED display and show;
B, the first Data Concurrent obtained needed for adjustment LED display lamp point send;
C, reception process described first data, generate adjustment data, be sent to described LED display;
D, according to object brightness and described adjustment data, process described first display data, generate second display data, control described LED display and show.
In step C, according to the characteristic value process of single lamp, the first data obtain described adjustment data respectively.
The characteristic value of described single lamp is by described first data, obtains R, G, B gray value first squared summation again of all pixels of single lamp.
For multiple described first data, then by the multiple described characteristic value summation of the correspondence of each single lamp, then ask the average of multiple described characteristic value, as the described characteristic value of the single lamp of correspondence.
Other principles of the present embodiment are identical with the principle of above any embodiment, repeat no more here.
By above embodiment to invention has been further announcement, but scope of the present invention is not limited thereto, and under the condition not departing from the present invention's design, above each element can be replaced with the similar or equivalent element that art personnel understand.
Claims (3)
1. a system for on-site adjustment of LED display screen brightness, is characterized in that, comprises collecting device, the first control appliance and LED display;
Described first control appliance comprises:
Main frame, for the control of LED display;
Frame controller, for receiving vision signal and control signal, vision signal according to described control signal process, obtains video data, is sent in scanning monitor;
Being provided with the scanning monitor of memory module, for receiving described video data, according to the configuration file of the LED display that the LED box of described memory module forms, processing described video data, generate display data, be sent in LED box;
LED box, is connected with described scanning monitor, receives described display data, shows;
Described collecting device, send for the first Data Concurrent obtained needed for the described LED display lamp point of adjustment; Wherein, described first data comprise brightness data and/or view data;
Described first control appliance, for sending the first display data to LED display, also for receiving and processing described first data, generating adjustment data, being sent to described LED display, realizing the control to described LED display;
Described LED display, for receiving and showing described first display data, carries out the display frame gathered as described collecting device; Also for receiving described adjustment data, and according to object brightness and described adjustment data processing first display data, generate second display data show;
Also comprise the second control appliance, it is for adopting the mode of Long-distance Control, by controlling described first control appliance, realizes the control to the lamp point on LED display; Described second control appliance, is arranged between described collecting device and described first control appliance, for receiving described first data, is sent to described first control appliance; The described view data that collecting device described in described second control appliance process obtains or described brightness data, obtain described adjustment data, be sent to described first control appliance; Described LED display arranges control unit;
Described control unit is used for receiving and processes described first display data, generates display transmission LED display and shows; Described LED display also arranges display unit;
Described control unit also for receiving described adjustment data, and according to described object brightness and described adjustment data processing first display data, generate described second display data, control described display unit, shown by described LED display.
2. utilize a method for the system for field adjustment LED display brightness described in claim 1, it is characterized in that, comprise the following steps:
A, receive for control LED screen display first display data, be transferred to described LED display and show;
B, the first Data Concurrent obtained needed for adjustment LED display lamp point send;
C, reception process described first data, generate adjustment data, be sent to described LED display;
D, according to object brightness and described adjustment data, process described first display data, generate second display data, control described LED display and show; In step C, according to the characteristic value process of single lamp, the first data obtain described adjustment data respectively; The characteristic value of described single lamp is by described first data, obtains R, G, B gray value first squared summation again of all pixels of single lamp.
3. method according to claim 2, is characterized in that, for multiple described first data, then by the multiple described characteristic value summation of the correspondence of each single lamp, then asks the average of multiple described characteristic value, as the described characteristic value of the single lamp of correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910082062.0A CN102005176B (en) | 2009-04-17 | 2009-04-17 | System and method for field regulation of LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910082062.0A CN102005176B (en) | 2009-04-17 | 2009-04-17 | System and method for field regulation of LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102005176A CN102005176A (en) | 2011-04-06 |
| CN102005176B true CN102005176B (en) | 2015-04-29 |
Family
ID=43812495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910082062.0A Expired - Fee Related CN102005176B (en) | 2009-04-17 | 2009-04-17 | System and method for field regulation of LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102005176B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355167B (en) * | 2015-11-13 | 2018-04-06 | 西安诺瓦电子科技有限公司 | LED correction coefficient data merging methods |
| CN107103874B (en) * | 2017-07-06 | 2019-01-18 | 苏州科达科技股份有限公司 | The bright concealed wire bearing calibration of spliced LED display and device |
| CN109739458B (en) * | 2018-12-29 | 2022-07-12 | 卡莱特云科技股份有限公司 | Display screen monitoring terminal, LED display control terminal, LED display screen monitoring system and method |
| CN114187865B (en) * | 2021-11-03 | 2022-11-04 | 北京易美新创科技有限公司 | Image processing method and device for LED display screen and control card |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101325528A (en) * | 2008-08-04 | 2008-12-17 | 长春希达电子技术有限公司 | Device for capturing display parameter of LED display screen based on wireless data communication |
| CN101441853A (en) * | 2008-12-22 | 2009-05-27 | 北京巨数数字技术开发有限公司 | Apparatus, system and method for on-site adjustment of LED display screen |
-
2009
- 2009-04-17 CN CN200910082062.0A patent/CN102005176B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101325528A (en) * | 2008-08-04 | 2008-12-17 | 长春希达电子技术有限公司 | Device for capturing display parameter of LED display screen based on wireless data communication |
| CN101441853A (en) * | 2008-12-22 | 2009-05-27 | 北京巨数数字技术开发有限公司 | Apparatus, system and method for on-site adjustment of LED display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102005176A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101950516B (en) | Detection system of driving plates liquid crystal television and liquid crystal display | |
| CN101692326B (en) | System and method for on-site point-by-point calibration of brightness and chrominance of the whole screen of LED display screen | |
| CN105047141B (en) | Split screen detection method, device and the LCD TV of multi partition dynamic backlight | |
| CN201868072U (en) | System for correcting brightness and chroma dot by dot on site for whole LED (Light-Emitting Diode) display screen | |
| CN104217684B (en) | LED bad point processing method and LED display control method | |
| CN102005176B (en) | System and method for field regulation of LED display screen | |
| CN107591131A (en) | Backlight drive method and device | |
| KR20080051302A (en) | User terminal apparatus and image display apparatus and method for adjusting light source thereof | |
| CN110930917A (en) | Display screen correction method and display screen correction system | |
| CN101635130B (en) | System and method for adjusting brightness point by point | |
| CN101441853A (en) | Apparatus, system and method for on-site adjustment of LED display screen | |
| CN201340715Y (en) | Device and system for adjusting LED display screen on site | |
| CN104900188A (en) | LED display screen uniformity correction method | |
| CN110113591A (en) | White balance adjustment system | |
| CN106855679B (en) | Projection arrangement and its control method | |
| CN103500560B (en) | A kind of processes and displays module brightness data method, system and display device | |
| CN110070841B (en) | Display screen adjusting method and device and electronic equipment | |
| CN209312421U (en) | A kind of display correction device and display | |
| US10043458B2 (en) | Display apparatus for changing color distribution of light generated by display and method thereof | |
| CN102750914B (en) | Display module driving circuit, driving method and liquid crystal television | |
| CN101650908B (en) | Benchmark brightness obtaining method, point-to-point correction system and correction method | |
| CN117376537A (en) | Gamma rapid correction method for Micro-LED projection display device | |
| CN113380181B (en) | Display screen correction system | |
| CN114566118B (en) | Display color cast correction method, device and system | |
| CN101515439B (en) | Point-to-point brightness control system and a method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Changjun Inventor after: Xiang Kui Inventor after: Wang Jin Inventor before: Shang Song |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171101 Address after: 225651 Jiangsu province Yangzhou city Gaoyou city sends the town Qiao Hao road 001 Patentee after: Polytechnic High Tech Institute (Gaoyou) Co., Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402A power Creative Park Patentee before: Beijing Zhongqing Micro Digital Equipment Development Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |