CN107545866A - The photosensitive brightness self-adjusting system of display screen - Google Patents
The photosensitive brightness self-adjusting system of display screen Download PDFInfo
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- CN107545866A CN107545866A CN201710796938.2A CN201710796938A CN107545866A CN 107545866 A CN107545866 A CN 107545866A CN 201710796938 A CN201710796938 A CN 201710796938A CN 107545866 A CN107545866 A CN 107545866A
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- display screen
- control unit
- adjusting system
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Abstract
The invention discloses a kind of photosensitive brightness self-adjusting system of display screen, including control unit, the data acquisition end of described control unit is electrically connected with by the output end of wire and detecting module, the signal output part of described control unit is electrically connected with by the signal input part of wire and voltage regulation unit, and the signal output part of the voltage regulation unit is electrically connected with by wire and the signal input part of LED light group module.The photosensitive brightness self-adjusting system of the display screen; the ambient light intensity in the external world can be obtained by light sensor or the positive distance of human body and display screen can be obtained by infrared ray range sensor; and central processing unit is automatically transmitted to by electric signal; the best image brightness of display screen is calculated based on fitting of a polynomial algorithm through central processing unit; transformer is opened by Control again; with the voltage of regulation supply LED light group module; display screen is adjusted to best image brightness; electromagnetic radiation of the display screen to human eye is reduced, protects eyesight.
Description
Technical field
The present invention relates to the photosensitive brightness regulation technical field of display screen, specially a kind of photosensitive brightness self-regulation system of display screen
System.
Background technology
LED display is a kind of flat-panel monitor, is made up of LED module panel small one by one, for showing word, figure
The equipment of the various information such as picture, video, video signal.It is a kind of display mode by controlling semiconductor light-emitting-diode,
By gallium and arsenic, phosphorus, nitrogen, indium compound made of diode, can give off visible ray when electronics and hole-recombination, thus can
With for light emitting diode is made.Indicator lamp, or composition word or numerical monitor are used as in circuit and instrument.Gallium arsenide phosphide
Diode glows, gallium phosphide diode green light, silicon carbide diode Yellow light-emitting low temperature, indium gallium nitrogen diode blue light-emitting.LED is shown
Screen is compared to LCD display, and LCD areas are big to be difficult to seamless spliced, and LED display can arbitrarily extend, and realize seamless
Splicing.LCD PDP displays luminous flux attenuation is quickly, general to run or so a year and a half time, it is necessary to changes, but LED display
Under equal service condition at least 5 years it is out of question.LED brush screens machine can use interaction technique, enhancing brush screen machine as advertising media and
Interaction between commercial audience, such as customize touch-screen, realize cloud Broadcast Control management.In terms of display effect, LED display
High brightness, wider viewing angle and good color restoration capability also superior to LCD screen.LED brush screen machines be generally used for airport,
Market, hotel, high ferro, subway, movie theatre, exhibition, office building etc., target customer's consuming capacity is strong, has huge advertisement value.
Due to the brightness of external environment condition and unstable, existing LED display brightness can not adjust automatically brightness, and people
When close from display screen, easily influenceed by electromagnetic radiation, easily human eye is damaged.Therefore, it is it is proposed that a kind of aobvious
The photosensitive brightness self-adjusting system of display screen.
The content of the invention
It is an object of the invention to provide a kind of photosensitive brightness self-adjusting system of display screen, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of photosensitive brightness self-adjusting system of display screen, bag
Control unit is included, the data acquisition end of described control unit is electrically connected with by the output end of wire and detecting module, the control
The signal output part of unit processed is electrically connected with by the signal input part of wire and voltage regulation unit, the voltage regulation unit
Signal output part pass through the signal input part of wire and LED light group module and be electrically connected with；
Described control unit, for collecting extraneous ambient light intensity and human body that detecting module detects and display screen
Positive distance, the best image brightness of display screen is calculated based on fitting of a polynomial algorithm, retransmits signal to voltage-regulation
Unit；
The detecting module, for periodicity obtain extraneous ambient light intensity and human body and display screen it is positive away from
From, and aut sign is to control unit；
The voltage regulation unit, for the voltage of the Signal Regulation supply LED light group module sent according to control unit
Size.
Preferably, described control unit includes central processing unit and A/D converter.
Preferably, the detecting module includes light sensor, and the light sensor is phototriode.
Preferably, the detecting module also includes infrared ray range sensor.
Preferably, the infrared ray range sensor is evenly distributed on the frame of display screen in matrix form.
Preferably, the voltage regulation unit includes relay and transformer.
Compared with prior art, the beneficial effects of the invention are as follows：The photosensitive brightness self-adjusting system of the display screen, by photosensitive
Sensor can obtain the ambient light intensity in the external world or can obtain the positive of human body and display screen by infrared ray range sensor
Distance, and central processing unit is automatically transmitted to by electric signal, calculated through central processing unit based on fitting of a polynomial algorithm aobvious
The best image brightness of display screen, then transformer is opened by Control, the voltage of LED light group module is supplied with regulation, will
Display screen is adjusted to best image brightness, is reduced electromagnetic radiation of the display screen to human eye, is protected eyesight.
Brief description of the drawings
Fig. 1 is the module diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of photosensitive brightness self-adjusting system of display screen, including control
Unit processed, the data acquisition end of described control unit are electrically connected with by the output end of wire and detecting module, and the control is single
The signal output part of member is electrically connected with by the signal input part of wire and voltage regulation unit, the letter of the voltage regulation unit
Number output end passes through wire and the signal input part of LED light group module is electrically connected with；
Described control unit, for collecting extraneous ambient light intensity and human body that detecting module detects and display screen
Positive distance, the best image brightness of display screen is calculated based on fitting of a polynomial algorithm, retransmits signal to voltage-regulation
Unit；
The detecting module, for periodicity obtain extraneous ambient light intensity and human body and display screen it is positive away from
From, and aut sign is to control unit；
The voltage regulation unit, for the voltage of the Signal Regulation supply LED light group module sent according to control unit
Size.
Specifically, described control unit includes central processing unit and A/D converter.
Specifically, the detecting module includes light sensor, and the light sensor is phototriode.
Specifically, the detecting module also includes infrared ray range sensor.
Specifically, the infrared ray range sensor is evenly distributed on the frame of display screen in matrix form.
Specifically, the voltage regulation unit includes relay and transformer.
The photosensitive brightness self-adjusting system of the display screen, the ambient light intensity in the external world can be obtained by light sensor or passed through
Infrared ray range sensor can obtain the positive distance of human body and display screen, and be automatically transmitted to central processing by electric signal
Device, the best image brightness of display screen is calculated through central processing unit based on fitting of a polynomial algorithm, then passes through Control
Transformer is opened, the voltage of LED light group module is supplied with regulation, display screen is adjusted to best image brightness, reduces display screen
Electromagnetic radiation to human eye, protect eyesight.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of photosensitive brightness self-adjusting system of display screen, including control unit, it is characterised in that：The data of described control unit
Collection terminal is electrically connected with by the output end of wire and detecting module, and the signal output part of described control unit passes through wire and electricity
The signal input part of adjustment unit is pressed to be electrically connected with, the signal output part of the voltage regulation unit passes through wire and LED light group
The signal input part of module is electrically connected with；
Described control unit, for collecting extraneous ambient light intensity and the front of human body and display screen that detecting module detects
Distance, the best image brightness of display screen is calculated based on fitting of a polynomial algorithm, retransmits signal to voltage regulation unit；
The detecting module, extraneous ambient light intensity and the positive distance of human body and display screen are obtained for periodicity, and
Aut sign is to control unit；
The voltage regulation unit, for the voltage swing of the Signal Regulation supply LED light group module sent according to control unit.
A kind of 2. photosensitive brightness self-adjusting system of display screen according to claim 1, it is characterised in that：Described control unit
Including central processing unit and A/D converter.
A kind of 3. photosensitive brightness self-adjusting system of display screen according to claim 1, it is characterised in that：The detecting module
Including light sensor, the light sensor is phototriode.
A kind of 4. photosensitive brightness self-adjusting system of display screen according to claim 1, it is characterised in that：The detecting module
Also include infrared ray range sensor.
A kind of 5. photosensitive brightness self-adjusting system of display screen according to claim 4, it is characterised in that：The infrared ray away from
It is evenly distributed on from sensor in matrix form on the frame of display screen.
A kind of 6. photosensitive brightness self-adjusting system of display screen according to claim 1, it is characterised in that：The voltage-regulation
Unit includes relay and transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796938.2A CN107545866A (en) | 2017-09-06 | 2017-09-06 | The photosensitive brightness self-adjusting system of display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796938.2A CN107545866A (en) | 2017-09-06 | 2017-09-06 | The photosensitive brightness self-adjusting system of display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107545866A true CN107545866A (en) | 2018-01-05 |
Family
ID=60958049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710796938.2A Withdrawn CN107545866A (en) | 2017-09-06 | 2017-09-06 | The photosensitive brightness self-adjusting system of display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767839A (en) * | 2017-10-20 | 2018-03-06 | 广东欧珀移动通信有限公司 | Brightness adjusting method and related product |
| CN108986737A (en) * | 2018-09-07 | 2018-12-11 | 李晗 | A kind of structure for regarding display screen using photosensitive sensors control LED |
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| CN205751471U (en) * | 2016-05-10 | 2016-11-30 | 广州红绿蓝光电科技有限公司 | A kind of LED display with intelligent regulating system |
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| CN106683611A (en) * | 2016-12-30 | 2017-05-17 | 马鞍山佳鼎通信科技有限公司 | LED screen brightness regulation system |
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| CN101567171A (en) * | 2008-04-25 | 2009-10-28 | 深圳Tcl新技术有限公司 | Method and system for regulating backlight of liquid crystal display television |
| CN202929964U (en) * | 2012-10-26 | 2013-05-08 | 比亚迪股份有限公司 | Intelligent advertising board |
| WO2016025203A1 (en) * | 2014-08-13 | 2016-02-18 | Qualcomm Incorporated | Device parameter adjustment using distance-based object recognition |
| CN204348303U (en) * | 2015-01-08 | 2015-05-20 | 潍坊绿能彩屏科技有限公司 | A kind of intelligent LED display |
| CN204598390U (en) * | 2015-04-21 | 2015-08-26 | 利亚德光电股份有限公司 | For brightness control system and the electronic equipment display of electronic equipment display |
| CN204721667U (en) * | 2015-06-10 | 2015-10-21 | 天津市恩泉科技发展有限公司 | A kind of University Classroom's intelligent illuminating system |
| CN105374339A (en) * | 2015-11-19 | 2016-03-02 | 广东小天才科技有限公司 | Intelligent terminal display screen brightness automatic adjustment method and system |
| CN205751471U (en) * | 2016-05-10 | 2016-11-30 | 广州红绿蓝光电科技有限公司 | A kind of LED display with intelligent regulating system |
| CN205830102U (en) * | 2016-07-12 | 2016-12-21 | 江苏建筑职业技术学院 | A kind of Intelligent eyeshield lamp system |
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|---|---|---|---|---|
| CN107767839A (en) * | 2017-10-20 | 2018-03-06 | 广东欧珀移动通信有限公司 | Brightness adjusting method and related product |
| CN108986737A (en) * | 2018-09-07 | 2018-12-11 | 李晗 | A kind of structure for regarding display screen using photosensitive sensors control LED |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180105 |
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| WW01 | Invention patent application withdrawn after publication |