CN204834000U - Photochromic homogeneity correcting unit of LED display screen - Google Patents
Photochromic homogeneity correcting unit of LED display screen Download PDFInfo
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- CN204834000U CN204834000U CN201520386543.1U CN201520386543U CN204834000U CN 204834000 U CN204834000 U CN 204834000U CN 201520386543 U CN201520386543 U CN 201520386543U CN 204834000 U CN204834000 U CN 204834000U
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- led display
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Abstract
The utility model discloses a photochromic homogeneity correcting unit of LED display screen, monitor set up in the dead ahead of four corners of LED display screen, and monitor is connected with the treatment circuit electricity, luminance sensor is used for gathering the brightness signal of LED display screen, and luminance sensor is connected with the treatment circuit electricity, the colour temperature sensor is used for gathering the colour temperature signal of LED display screen, and the colour temperature sensor is connected with the treatment circuit electricity, the treatment circuit is connected with micro electronmechanical, computer and AD converter electricity is connected, the computer be used for with received image data, brightness signal and colour temperature signal handle the back carry out comparison and analysis with predetermined photochromic signal after calculation plan the correction data to should plan the correction data to the output of AD converter, the AD converter is used for the conversion to plan the correction data and is the drive circuit output of analog signal to the LED display screen. The utility model discloses has the effect of fast, accurately adjusting the photochromic homogeneity of LED display screen.
Description
Technical field
The utility model relates to LED display checkout equipment, particularly relates to the photochromic homogeneity correction device of LED display.
Background technology
LED display be LED according to certain rule lattice arrangement sealing on pre-designed circuit, it comprises LED dot array module, with the control circuit, the driving circuit that drive coding display function.In order to keep clear picture, the chroma-luminance of LED display even, need by manually correcting, but manual synchronizing is on the one hand more difficult reaches request for utilization, the LED display after correction photochromic still even not, inefficiency, needs the time of at substantial on the other hand.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of LED display photochromic homogeneity correction device, can automatically correct, and calibration result is good.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the photochromic homogeneity correction device of a kind of LED display, comprises monitoring probe, luminance sensor, color temperature sensor, treatment circuit, microcomputer and A/D converter; Described monitoring probe is for being arranged on the dead ahead of LED display four corners, and monitoring probe is electrically connected with treatment circuit and sends view data for treatment circuit; Described luminance sensor is for gathering the luminance signal of LED display, and luminance sensor is electrically connected with treatment circuit; Described color temperature sensor is for gathering the color temperature signal of LED display, and color temperature sensor is electrically connected with treatment circuit; Described treatment circuit is connected with micro electronmechanical, and treatment circuit comprises amplifying circuit and sample circuit, and treatment circuit exports to microcomputer after being used for that described luminance signal and color temperature signal are carried out filtering, amplification and examination differential amplification; Described microcomputer is electrically connected with A/D converter, microcomputer compares and analyzes rear calculating with the photochromic signal preset after being used for that the described view data, luminance signal and the color temperature signal that receive are carried out process and intends correction data, and exports this plan correction data to A/D converter; After described A/D converter is used for that the plan correction data received is converted to simulating signal, the driving circuit to LED display exports.
Further, also comprise rotating mechanism, described rotating mechanism is for rotating LED display.
The beneficial effects of the utility model are: the photosensitive device and the infrared receiving diode that adopt monitoring probe, by light sensing, photoelectric coupling automatic technique, namely by infrared transmitting, reflection and reception reach track and localization, the each several part luminosity of diverse location on screen when obtaining LED display duty by the photosensitive device of two sensors, chrominance information, and coordinate follow-up signal transacting, the signal gathered through the comparison of microcomputer and analysis, photochromic adjustment is carried out after the driving circuit transmission correction signal of LED display, corresponding drive current devious is made to adjust correction in time, reach quick, adjust the object of the photochromic homogeneity of LED display exactly.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the photochromic homogeneity correction device of LED display of the utility model embodiment.
Label declaration:
10, monitoring probe; 20, luminance sensor; 30, color temperature sensor; 40, treatment circuit; 50, microcomputer; 60, A/D converter; 70, operating circuit; 100, LED display; 110, rotating mechanism.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The design of the utility model most critical is: in conjunction with monitoring probe and two sensors, the luminescence to LED display gathers, and through microcomputer comparison and analyze to LED display driving circuit output calibration signal thus adjustment LED display photochromic.
Refer to Fig. 1, the photochromic homogeneity correction device of a kind of LED display, comprises monitoring probe 10, luminance sensor 20, color temperature sensor 30, treatment circuit 40, microcomputer 50 and A/D converter 60.
Described monitoring probe 10 is for being arranged on the dead ahead of LED display 100 4 corners, and monitoring probe 10 is electrically connected with treatment circuit 40 and sends view data for treatment circuit.
Described luminance sensor 20 is for gathering the luminance signal of LED display 100, and luminance sensor 20 is electrically connected with treatment circuit 40.
Described color temperature sensor 30 is for gathering the color temperature signal of LED display 100, and colour temperature sensing 30 device is electrically connected with treatment circuit 40.
Described treatment circuit 40 is electrically connected with microcomputer 50, and treatment circuit 40 comprises amplifying circuit and sample circuit.Treatment circuit 40 exports to microcomputer after described luminance signal and color temperature signal are carried out filtering, amplification and examination differential amplification.
Described microcomputer 50 is electrically connected with A/D converter 60.Microcomputer 50 compares and analyzes rear calculating intend correction data with the photochromic signal preset after the described view data, luminance signal and the color temperature signal that receive being carried out processing, and exports this plan correction data to A/D converter 60.
Described A/D converter 60 is for after being converted to simulating signal by the plan received correction data, and the driving circuit to LED display 100 exports.
From foregoing description, the beneficial effects of the utility model are: the photosensitive device and the infrared receiving diode that adopt monitoring probe, by light sensing, photoelectric coupling automatic technique, namely by infrared transmitting, reflection and reception reach track and localization, the each several part luminosity of diverse location on screen when obtaining LED display duty by the photosensitive device of two sensors, chrominance information, and coordinate follow-up signal transacting, the signal gathered through the comparison of microcomputer and analysis, photochromic adjustment is carried out after the driving circuit transmission correction signal of LED display, corresponding drive current devious is made to adjust correction in time, reach quick, adjust the object of the photochromic homogeneity of LED display exactly.
Further, also comprise rotating mechanism 110, described rotating mechanism 110 is for rotating LED display 100.
Seen from the above description, LED display can be allowed to rotate by arranging rotating mechanism, thus allow monitoring probe and sensor collect the bright dipping of LED display different angles, it is more accurate to the correction that LED display is photochromic to make in subsequent step.
Please refer to Fig. 1, embodiment one of the present utility model is: the photochromic homogeneity correction device of a kind of LED display, for detecting the luminous parameters of the LED display 100 be installed on rotating mechanism 110, it comprises monitoring probe 10, luminance sensor 20, color temperature sensor 30, treatment circuit 40, microcomputer 50 and A/D converter 60.Described monitoring probe 10 is for being arranged on the dead ahead of LED display 100 4 corners, and monitoring probe 10 is electrically connected with treatment circuit 40 and sends data for treatment circuit 40; Described luminance sensor 20 is for gathering the luminance signal of LED display 100, and luminance sensor 20 is electrically connected with treatment circuit 40; Described color temperature sensor 30 is for gathering the color temperature signal of LED display 100, and color temperature sensor 30 is electrically connected with treatment circuit 40.Described treatment circuit 40 is electrically connected with microcomputer 50, and treatment circuit 40 comprises amplifying circuit and sample circuit.Treatment circuit 40 exports to microcomputer after described luminance signal and color temperature signal are carried out filtering, amplification and examination differential amplification.Described microcomputer 50 is electrically connected with A/D converter 60.Microcomputer 50 compares and analyzes rear calculating intend correction data with the photochromic signal preset after the described view data, luminance signal and the color temperature signal that receive being carried out processing, and exports this plan correction data to A/D converter 60.Described A/D converter 60 is for after being converted to simulating signal by the plan received correction data, export the operating circuit 70 of LED display 100 to, operating circuit 70 according to the luminous parameters of the fitting correction data point reuse LED display 100 received, thus realizes more uniform luminous.Afterwards, the above-mentioned course of work can also be repeated again and carry out secondary adjustment, thus reach better light-out effect.
The present embodiment can detect photochromic elegant situation, according to total display brightness and the colour temperature deviation of LED display diverse location LED light source, changes circuit adjusted according to correction signal on the pin of driving circuit corresponding IC address.
In sum, the photochromic homogeneity correction device of the LED display that the utility model provides can control LED display adjustment luminous parameters automatically, realizes luminous photochromic uniform effect.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (2)
1. the photochromic homogeneity correction device of LED display, is characterized in that, comprise monitoring probe, luminance sensor, color temperature sensor, treatment circuit, microcomputer and A/D converter;
Described monitoring probe is for being arranged on the dead ahead of LED display four corners, and monitoring probe is electrically connected with treatment circuit and sends view data for treatment circuit;
Described luminance sensor is for gathering the luminance signal of LED display, and luminance sensor is electrically connected with treatment circuit;
Described color temperature sensor is for gathering the color temperature signal of LED display, and color temperature sensor is electrically connected with treatment circuit;
Described treatment circuit is connected with micro electronmechanical, and treatment circuit comprises amplifying circuit and sample circuit, and treatment circuit exports to microcomputer after being used for that described luminance signal and color temperature signal are carried out filtering, amplification and examination differential amplification;
Described microcomputer is electrically connected with A/D converter, microcomputer compares and analyzes rear calculating with the photochromic signal preset after being used for that the described view data, luminance signal and the color temperature signal that receive are carried out process and intends correction data, and exports this plan correction data to A/D converter;
After described A/D converter is used for that the plan correction data received is converted to simulating signal, the driving circuit to LED display exports.
2. the photochromic homogeneity correction device of LED display according to claim 1, it is characterized in that, also comprise rotating mechanism, described rotating mechanism is for rotating LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386543.1U CN204834000U (en) | 2015-06-05 | 2015-06-05 | Photochromic homogeneity correcting unit of LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386543.1U CN204834000U (en) | 2015-06-05 | 2015-06-05 | Photochromic homogeneity correcting unit of LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN204834000U true CN204834000U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520386543.1U Expired - Fee Related CN204834000U (en) | 2015-06-05 | 2015-06-05 | Photochromic homogeneity correcting unit of LED display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968883A (en) * | 2017-11-22 | 2018-04-27 | 广东欧珀移动通信有限公司 | Distance state detection method, device, storage medium and electronic equipment |
| CN108626659A (en) * | 2018-07-09 | 2018-10-09 | 江西富通印刷包装有限公司 | A kind of Light source correction device |
| CN112637579A (en) * | 2020-11-04 | 2021-04-09 | 康佳集团股份有限公司 | Method and system for correcting Micro LED depth color |
| CN113206502A (en) * | 2021-06-08 | 2021-08-03 | 中铁电气化铁路运营管理有限公司 | Power supply quality improving device |
-
2015
- 2015-06-05 CN CN201520386543.1U patent/CN204834000U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968883A (en) * | 2017-11-22 | 2018-04-27 | 广东欧珀移动通信有限公司 | Distance state detection method, device, storage medium and electronic equipment |
| CN107968883B (en) * | 2017-11-22 | 2020-08-14 | Oppo广东移动通信有限公司 | Distance state detection method and device, storage medium and electronic equipment |
| CN108626659A (en) * | 2018-07-09 | 2018-10-09 | 江西富通印刷包装有限公司 | A kind of Light source correction device |
| CN112637579A (en) * | 2020-11-04 | 2021-04-09 | 康佳集团股份有限公司 | Method and system for correcting Micro LED depth color |
| CN113206502A (en) * | 2021-06-08 | 2021-08-03 | 中铁电气化铁路运营管理有限公司 | Power supply quality improving device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180605 |