CN205487285U - A adjustting of lighteness system and LED display screen for LED display screen - Google Patents
A adjustting of lighteness system and LED display screen for LED display screen Download PDFInfo
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- CN205487285U CN205487285U CN201620072691.0U CN201620072691U CN205487285U CN 205487285 U CN205487285 U CN 205487285U CN 201620072691 U CN201620072691 U CN 201620072691U CN 205487285 U CN205487285 U CN 205487285U
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- brightness
- led display
- video controller
- host computer
- display
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Abstract
The utility model belongs to the technical field of display screen brightness adjusts, a an adjustting of lighteness system and LED display screen for LED display screen is provided. The utility model discloses in for the adjustting of the lighteness system of LED display screen includes host computer, video controller and a plurality of luminance detection module, a plurality of luminance detection module with equidistant formal distribution on the screen of LED display screen on or on the lower frame, a plurality of luminance detection module detect and generate corresponding luminance information to the ambient brightness of its present position respectively, the video controller passes on the luminance information to the host computer, the host computer is according to luminance information feedback brilliance control signal to video controller, the video controller is adjusted according to the video image's that the brilliance control signal shows with brilliance control signal corresponding region on to the LED display screen demonstration luminance, so that the people experiences the demonstration luminance unanimity of the whole screen of LED display screen in the vision.
Description
Technical field
This utility model belongs to screen intensity regulation technology field, particularly relates to a kind of for LED display
Brightness control system and LED display.
Background technology
At present, a lot of outdoor and semi-outdoor sporting venue is all using fence LED display to play literary composition
The height of word or the advertising message of pictorial form, typically such LED display is at about 0.9 meter, but width
Up to rice up to a hundred.On fine daytime, due to blocking of trees or building so that LED display
A part of region be in sunlight irradiate under, a part of region is in shade, although LED display is whole
The brightness of screen output is consistent, but sunlight is irradiated to and the region that is not irradiated to, human eye exists
The brightness visually experienced is different, thus have impact on the visual effect of spectators.Therefore, existing
LED display occur causing because there is light area and shadow region when being applied to outdoor display
The problem that the brightness experienced on human eye vision is inconsistent.
Utility model content
The purpose of this utility model is to provide a kind of brightness control system for LED display, it is intended to solve
Certainly existing LED display goes out because there is light area and shadow region when being applied to outdoor display
Now cause the problem that the brightness experienced on human eye vision is inconsistent.
This utility model is achieved in that a kind of brightness control system for LED display, including on
Position machine and Video Controller, described Video Controller is for carrying out the video image shown by LED display
Display brightness regulates;Described brightness control system also includes multiple brightness detection module, and multiple described brightness are examined
Survey module with equally spaced formal distribution on the screen of described LED display or on upper and lower side frame.
The outfan of multiple described brightness detection modules all first input ends with described Video Controller are connected,
First outfan of described Video Controller, the second input and the second outfan respectively with described host computer
Input, outfan and described LED display are connected.
The ambient brightness of its present position is detected and generates accordingly by multiple described brightness detection modules respectively
Monochrome information.
When the display brightness of the video image shown by described LED display is adjusted, described video
Described monochrome information is transferred to described host computer by controller, and described host computer feeds back according to described monochrome information
Brightness control signal to described Video Controller, described Video Controller according to described brightness control signal to institute
State on LED display with described brightness control signal corresponding to the display of video image shown by region bright
Degree is adjusted.
Described host computer is home computer or industrial control computer.
Described Video Controller is for for zooming in and out video image shown by LED display and quality carries
Rise the LED video processor of the control command processing and receiving and forward host computer.
Described brightness detection module is luminance sensor, the ambient brightness letter that described luminance sensor will be detected
Number be converted to the simulation value being directly proportional to ambient brightness.
Described brightness control system also includes screen control module, the first input end of described screen control module,
Second outfan, the first outfan and the second input respectively with the outfan of multiple described brightness detection modules,
Described LED display, the first input end of described Video Controller and the second outfan are connected.
Respectively the ambient brightness of its present position detected at multiple described brightness detection modules and generate phase
After the monochrome information answered, if the display brightness of described LED display is adjusted, the most described screen control
Monochrome information described in module forwards processed is to described Video Controller, and described Video Controller is by described monochrome information
Transferring to described host computer, described host computer regards to described according to described monochrome information feedback brightness control signal
Frequently controller, described brightness control signal is sent to described screen control module by described Video Controller again,
Described screen control module according to described brightness control signal on described LED display with described brightness control
Corresponding to signal processed, the display brightness in region is adjusted.
Described screen control module is that the LED display including LED drive unit and memorizer controls card.
Another object of the present utility model also resides in a kind of LED display of offer, in described LED display
It is equipped with above-mentioned brightness control system;Or described LED display is built-in with above-mentioned multiple brightness detection mould
Block;Or described LED display is built-in with above-mentioned multiple brightness detection modules and screen control module;Or
LED display described in person is built-in with above-mentioned multiple brightness detection modules and Video Controller;Or it is described
LED display is built-in with above-mentioned multiple brightness detection modules, Video Controller and screen control module;
Or described LED display is built-in with above-mentioned multiple brightness detection modules and host computer;Or described LED
Display screen is built-in with above-mentioned multiple brightness detection modules, host computer and screen control module.
In this utility model, the brightness control system for LED display includes that host computer, video control
Device and multiple brightness detection module, multiple brightness detection modules with equally spaced formal distribution at LED display
Screen on or upper and lower side frame on;The ambient brightness of its present position is carried out by multiple brightness detection modules respectively
Detecting and generate corresponding monochrome information, monochrome information is transferred to host computer, host computer root by Video Controller
According to monochrome information feedback brightness control signal to Video Controller, Video Controller is according to brightness control signal pair
On LED display, the display brightness of video image shown by region corresponding with brightness control signal is adjusted
Joint, so that the display brightness that people visually experiences the whole screen of LED display is consistent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the brightness control system that this utility model embodiment provides;
Fig. 2 is the distribution schematic diagram of multiple brightness detection modules that this utility model embodiment provides;
Fig. 3 is the another kind of distribution schematic diagram of multiple brightness detection modules that this utility model embodiment provides;
Fig. 4 is the structural representation of the brightness control system that another embodiment of this utility model provides;
Fig. 5 is the structural representation of the LED display that this utility model embodiment provides;
Fig. 6 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Fig. 7 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Fig. 8 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Fig. 9 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Figure 10 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Figure 11 is the structural representation of the another kind of LED display that this utility model embodiment provides;
Figure 12 is the structural representation of the another kind of LED display that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Fig. 1 shows the structure of the brightness control system that this utility model embodiment provides, for convenience of description,
Illustrate only the part relevant to this utility model embodiment, details are as follows:
Brightness control system for LED display 400 includes host computer 100 and Video Controller 200,
Video Controller 200 is for carrying out display brightness regulation to the video image shown by LED display 400;
Brightness control system also includes multiple brightness detection module 300, and multiple brightness detection modules 300 are with equidistantly
Formal distribution on the screen of LED display 400 or on upper and lower side frame.
The outfan of multiple brightness detection modules 300 all first input ends with Video Controller 200 are connected,
First outfan of Video Controller 200, the second input and the second outfan respectively with host computer 100
Input, outfan and LED display 400 are connected.
The ambient brightness of its present position is detected and generates accordingly by multiple brightness detection modules 300 respectively
Monochrome information.
When being adjusted the display brightness of the video image shown by LED display 400, video controls
Monochrome information is transferred to host computer 100 by device 200, and host computer 100 feeds back brilliance control according to monochrome information
Signal to Video Controller 200, Video Controller 200 according to brightness control signal to LED display 400
The display brightness of upper video image corresponding to brightness control signal shown by region is adjusted.
Preferably, host computer 100 is home computer or industrial control computer, and wherein home computer can
For household desk computer or palm PC.
Preferably, Video Controller 200 is for for contracting to video image shown by LED display 400
Put the LED video processor of the control command processing and receiving and forward host computer with increased quality.
Preferably, brightness detection module 300 is luminance sensor, and luminance sensor is by bright for the environment detected
Degree signal is converted to the simulation value being directly proportional to ambient brightness.Wherein, ambient brightness is luminance sensor institute
Illumination brightness under place's environment.
Concrete, as in figure 2 it is shown, multiple brightness detection module 300 is covered with whole with equally spaced form
On the screen of LED display 400;Or, as it is shown on figure 3, between multiple brightness detection module 300 is with grade
Away from form be covered with on the upper and lower side frame of LED display 400.Wherein, each brightness detection is equidistantly referred to
Module 300 is the most equal with the distance of each brightness detection module 300 being adjacent;Or, at horizontal direction
Upper each brightness detection module 300 is a fixed value with the distance of each brightness detection module 300 being adjacent,
The most each brightness detection module 300 is with the distance of each brightness detection module 300 being adjacent
For another fixed value.
Concrete, the ambient light signal detected by multiple brightness detection modules 300 can reflect that LED shows
The ambient brightness in all regions of display screen 400 screen.
Concrete, when the display brightness of the video image shown by LED display 400 is adjusted,
The monochrome information that multiple brightness detection modules 300 are generated respectively is transferred to host computer by Video Controller 200
100, the monochrome information value of the light area owing to being gathered is basically identical, the monochrome information value base of shadow region
This is consistent, and the gap between the monochrome information value of light area and shadow region is obvious, therefore, and host computer
All of monochrome information, according to the above-mentioned rule of monochrome information value, is divided into the monochrome information of light area by 100
With the monochrome information of shadow region, host computer 100 according to all of monochrome information respectively with brightness acquisition module
Corresponding relation and brightness acquisition module coordinate on LED display 400, distinguish LED and show
Light area on screen 400 and shadow region.When the video image to LED display 400 shadow region
When display brightness is adjusted, the monochrome information value of light area is carried out mean value computation to obtain reference brightness
Value, carries out mean value computation to obtain shadow lightness value, host computer 100 to the monochrome information value of shadow region
Show bright with shadow region correction display brightness with light area with the difference of reference brightness value according to shadow lightness value
Become fixed proportion relation between the difference of degree, obtain shadow region correction display brightness value, i.e. brilliance control letter
Number, shadow region is corrected display brightness value and feeds back to Video Controller 200 by host computer 100, and video controls
Device 200 corrects display brightness value to the video shown by LED display 400 shadow region according to shadow region
The display brightness of image is adjusted, so that the brightness that human eye experiences LED display 400 screen is consistent.
In like manner, when the display brightness of the video image to LED display 400 light area is adjusted, to light
Mean value computation is carried out to obtain illumination brightness value, the monochrome information to shadow region according to the monochrome information value in region
Value carries out mean value computation to obtain reference brightness value, and host computer 100 is according to illumination brightness value and reference brightness value
Difference become fixed proportion to close with between illumination regional correction display brightness and the difference of shadow region display brightness
System, obtains light area correction display brightness value, i.e. brightness control signal, and host computer 100 is by light area
Correction display brightness value feeds back to Video Controller 200, and Video Controller 200 is aobvious according to light area correction
Show that the display brightness of the video image shown by LED display 400 light area is adjusted by brightness value,
So that the brightness that human eye experiences LED display 400 screen is consistent.
As another embodiment of the present invention, as shown in Figure 4, brightness control system also includes screen control module
500, the first input end of screen control module 500, the second outfan, the first outfan and the second input
Respectively with the outfan of multiple brightness detection modules 300, LED display 400, Video Controller 200
First input end and the second outfan are connected.
Respectively the ambient brightness of its present position detected at multiple brightness detection modules 300 and generate phase
After the monochrome information answered, if the display brightness of LED display 400 is adjusted, then screen control mould
Block 500 forwards monochrome information monochrome information to be transferred to Video Controller 200, Video Controller 200
Position machine 100, host computer 100 feeds back brightness control signal to Video Controller 200, video according to monochrome information
Brightness control signal is sent to screen control module 500, screen control module 500 by controller 200 again
According to brightness control signal on LED display 400 with brightness control signal corresponding to the display brightness in region enter
Row regulation.
Preferably, screen control module 500 can be that the LED including LED drive unit and memorizer shows
Screen 400 control card.Wherein, LED drive unit is for lighting each LED picture on LED display 400
Element lamp, memorizer is for keeping in control signal or the display figure of LED display 400 that host computer 100 issues
As etc..
Concrete, if the display brightness of LED display 400 is adjusted, then Video Controller 200
Monochrome information screen control module 500 forwarded sends to host computer 100, due to the illumination gathered
The monochrome information value in region is basically identical, and the monochrome information of shadow region value is basically identical, and light area with
Gap between the monochrome information value of shadow region is obvious, and therefore, host computer 100 is according to monochrome information value
Above-mentioned rule, is divided into monochrome information and the monochrome information of shadow region of light area by all of monochrome information,
Host computer 100 according to all of monochrome information respectively with corresponding relation and the brightness collection of brightness acquisition module
Module coordinate on LED display 400, distinguishes the light area on LED display 400 and the moon
Territory, shadow zone.When the display brightness of LED display 400 shadow region is adjusted, to light area
Monochrome information value carries out mean value computation to obtain reference brightness value, carries out the monochrome information value of shadow region all
Value calculates to obtain shadow lightness value, and host computer 100 is same with the difference of reference brightness value according to shadow lightness value
Become fixed proportion relation between shadow region correction display brightness and the difference of light area display brightness, obtain
Shadow region correction display brightness value, i.e. brightness control signal, host computer 100 is by shadow region correction display
Brightness value feeds back to screen control module 500 through Video Controller 200, and screen control module 500 is according to the moon
The display brightness of LED display 400 shadow region is adjusted by shadow regional correction display brightness value, thus
Human eye is made to experience the brightness of LED display 400 screen consistent.In like manner, when to LED display 400
When the display brightness of the video image of light area is adjusted, the monochrome information value of light area is carried out all
Value calculates to obtain illumination brightness value, and the monochrome information value of shadow region is carried out mean value computation to obtain reference
Brightness value, host computer 100 shows with illumination regional correction according to the difference of illumination brightness value Yu reference brightness value
Become fixed proportion relation between brightness and the difference of shadow region display brightness, obtain light area correction display
Brightness value, i.e. brightness control signal, light area is corrected display brightness value through video control by host computer 100
Device 200 feeds back to screen control module 500, and screen control module 500 is bright according to light area correction display
The display brightness of LED display 400 light area is adjusted by angle value, so that human eye experiences LED
The brightness of display screen 400 screen is consistent.
Based on above-mentioned brightness control system application advantage in LED display 400, this utility model also carries
Supply a kind of LED display 400, as it is shown in figure 5, this LED display 400 is built-in with above-mentioned upper
Position machine 100, video control module 200 and multiple brightness acquisition module 300;Or as shown in Figure 6, should
LED display 400 is built-in with above-mentioned host computer 100, video control module 200, multiple brightness collection
Module 300 and screen control module 500.
This utility model additionally provides another kind of LED display 400, as it is shown in fig. 7, this LED shows
Screen 400 is built-in with above-mentioned multiple brightness detection modules 300;Or as shown in Figure 8, this LED display
400 are built-in with above-mentioned multiple brightness detection modules 300 and screen control module 500.
This utility model additionally provides another kind of LED display 400, as it is shown in figure 9, this LED shows
Screen 400 is built-in with above-mentioned multiple brightness detection modules 300 and Video Controller 200;Or such as Figure 10 institute
Showing, this LED display 400 is built-in with above-mentioned multiple brightness detection modules 300, Video Controller 200
And screen control module 500.
This utility model additionally provides another kind of LED display 400, and as shown in figure 11, this LED shows
Screen 400 is built-in with above-mentioned multiple brightness detection modules 300 and host computer 100;Or as shown in figure 12,
This LED display 400 is built-in with above-mentioned multiple brightness detection modules 300, host computer 100 and screen
Control module 500.
In this utility model, the brightness control system for LED display includes host computer 100, video
Controller 200 and multiple brightness detection module 300, multiple brightness detection modules 300 are with equally spaced form
It is distributed on the screen of LED display 400 or on upper and lower side frame;Multiple brightness detection modules 300 are the most right
The ambient brightness of its present position carries out detecting and generating corresponding monochrome information, and Video Controller 200 is by bright
Degree message transport feeds back brightness control signal to video to host computer 100, host computer 100 according to monochrome information
Controller 200, Video Controller 200 according to brightness control signal on LED display 400 with brightness control
The display brightness of the video image shown by the corresponding region of signal processed is adjusted, so that people visually feels
Consistent by the display brightness of the whole screen of LED display 400.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all
Any amendment, equivalent and the improvement etc. made within spirit of the present utility model and principle, all should comprise
Within protection domain of the present utility model.
Claims (10)
1. for a brightness control system for LED display, including host computer and Video Controller, described
Video Controller is for carrying out display brightness regulation to the video image shown by LED display;Its feature exists
In, described brightness control system also includes multiple brightness detection module, multiple described brightness detection modules with etc.
The formal distribution of spacing is on the screen of described LED display or on upper and lower side frame;
The outfan of multiple described brightness detection modules all first input ends with described Video Controller are connected,
First outfan of described Video Controller, the second input and the second outfan respectively with described host computer
Input, outfan and described LED display are connected;
The ambient brightness of its present position is detected and generates accordingly by multiple described brightness detection modules respectively
Monochrome information;
When the display brightness of the video image shown by described LED display is adjusted, described video
Described monochrome information is transferred to described host computer by controller, and described host computer feeds back according to described monochrome information
Brightness control signal to described Video Controller, described Video Controller according to described brightness control signal to institute
The display stating on LED display video image shown by region corresponding with described brightness control signal is bright
Degree is adjusted.
2. brightness control system as claimed in claim 1, it is characterised in that described host computer is that family uses tricks
Calculation machine or industrial control computer.
3. brightness control system as claimed in claim 1, it is characterised in that described Video Controller is for using
In video image shown by LED display is zoomed in and out and increased quality process and receive and forward on
The LED video processor of the control command of position machine.
4. brightness control system as claimed in claim 1, it is characterised in that described brightness detection module is
Luminance sensor, the ambient light signal detected is converted to just become with ambient brightness by described luminance sensor
The simulation value of ratio.
5. brightness control system as claimed in claim 1, it is characterised in that described brightness control system is also
Including screen control module, the first input end of described screen control module, the second outfan, the first output
End and the second input respectively with the outfan of multiple described brightness detection modules, described LED display, institute
First input end and the second outfan of stating Video Controller are connected;
Respectively the ambient brightness of its present position detected at multiple described brightness detection modules and generate phase
After the monochrome information answered, if the display brightness of described LED display is adjusted, the most described screen control
Monochrome information described in module forwards processed is to described Video Controller, and described Video Controller is by described monochrome information
Transferring to described host computer, described host computer regards to described according to described monochrome information feedback brightness control signal
Frequently controller, described brightness control signal is sent to described screen control module by described Video Controller again,
Described screen control module according to described brightness control signal on described LED display with described brightness control
Corresponding to signal processed, the display brightness in region is adjusted.
6. brightness control system as claimed in claim 5, it is characterised in that described screen control module is
LED display including LED drive unit and memorizer controls card.
7. a LED display, it is characterised in that described LED display is built-in just like claim 1
To the brightness control system according to any one of 6.
8. a LED display, it is characterised in that described LED display is built-in just like claim 1
To the multiple brightness detection modules described in 4 any one, or described LED display is built-in just like claim
Multiple brightness detection modules described in 5 or 6 and screen control module.
9. a LED display, it is characterised in that described LED display is built-in just like claim 1
To the multiple brightness detection modules described in 4 any one and Video Controller, or described LED display is built-in
Just like multiple brightness detection modules, Video Controller and screen control module described in claim 5 or 6.
10. a LED display, it is characterised in that described LED display is built-in just like claim 1
To the multiple brightness detection modules described in 4 any one and host computer, or described LED display built-in just like
Multiple brightness detection modules, host computer and screen control module described in claim 5 or 6.
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CN201620072691.0U CN205487285U (en) | 2016-01-25 | 2016-01-25 | A adjustting of lighteness system and LED display screen for LED display screen |
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CN201620072691.0U CN205487285U (en) | 2016-01-25 | 2016-01-25 | A adjustting of lighteness system and LED display screen for LED display screen |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108305583A (en) * | 2018-02-09 | 2018-07-20 | 江苏穿越金点信息科技股份有限公司 | A kind of intelligence control system and control method |
CN110880292A (en) * | 2018-09-06 | 2020-03-13 | 北京小米移动软件有限公司 | Ambient light brightness determination device and method |
CN111989734A (en) * | 2019-03-13 | 2020-11-24 | 西安诺瓦星云科技股份有限公司 | Environmental parameter acquisition method, device and system, display terminal and brightness adjustment method |
CN113763893A (en) * | 2021-09-17 | 2021-12-07 | 咪咕数字传媒有限公司 | Backlight adjusting method, device, system and computer program product |
CN113903299A (en) * | 2021-09-01 | 2022-01-07 | 北京集创北方科技股份有限公司 | Display brightness regulation and control method, device, equipment, storage medium and display screen |
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2016
- 2016-01-25 CN CN201620072691.0U patent/CN205487285U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108305583A (en) * | 2018-02-09 | 2018-07-20 | 江苏穿越金点信息科技股份有限公司 | A kind of intelligence control system and control method |
CN110880292A (en) * | 2018-09-06 | 2020-03-13 | 北京小米移动软件有限公司 | Ambient light brightness determination device and method |
CN110880292B (en) * | 2018-09-06 | 2021-08-31 | 北京小米移动软件有限公司 | Ambient light brightness determination device and method |
CN111989734A (en) * | 2019-03-13 | 2020-11-24 | 西安诺瓦星云科技股份有限公司 | Environmental parameter acquisition method, device and system, display terminal and brightness adjustment method |
CN111989734B (en) * | 2019-03-13 | 2023-08-22 | 西安诺瓦星云科技股份有限公司 | Environment parameter acquisition method, device and system, display terminal and brightness adjustment method |
CN113903299A (en) * | 2021-09-01 | 2022-01-07 | 北京集创北方科技股份有限公司 | Display brightness regulation and control method, device, equipment, storage medium and display screen |
CN113903299B (en) * | 2021-09-01 | 2024-02-02 | 北京集创北方科技股份有限公司 | Display brightness regulation and control method, device, equipment, storage medium and display screen |
CN113763893A (en) * | 2021-09-17 | 2021-12-07 | 咪咕数字传媒有限公司 | Backlight adjusting method, device, system and computer program product |
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