CN103531174B - Brightness adjusting device and method - Google Patents
Brightness adjusting device and method Download PDFInfo
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- CN103531174B CN103531174B CN201310522117.1A CN201310522117A CN103531174B CN 103531174 B CN103531174 B CN 103531174B CN 201310522117 A CN201310522117 A CN 201310522117A CN 103531174 B CN103531174 B CN 103531174B
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Abstract
The embodiments of the invention provide a kind of brightness adjusting device and method, it is related to display technology field, the display brightness fixation for solving the problems, such as display watches the visual effect of picture to human eye and human eye health has a negative impact.In the embodiment of the present invention, brightness adjusting device includes：Signal gathering unit, for obtaining environment bright angle value and the picture shown by display；Data extracting unit, for extracting picture brightness value from display picture；Data determining unit, for brightness value to be shown corresponding to being searched according to environment bright angle value and picture brightness value in default brightness data storehouse；Adjustment unit, for adjusting the brightness of display according to brightness value to be shown.The embodiment of the present invention is mainly used in handling official business, entertains, communicates etc. and needing to use the occasion of display.
Description
Technical field
The present invention relates to Display Technique, more particularly to brightness adjusting device and method.
Background technology
Maturation and popularization with Display Techniques such as computer, mobile phones, particularly in routine office work to the accordance with tolerance of computer by
It is cumulative big, accompanying problem is that infringement of the display to the eyes of people becomes clear day by day.Especially when surrounding environment light intensity
Change, and when display brightness is constant, human eye can not feel quite oneself；In addition, when people is for a long time against the display of same brightness
Device also can visual fatigue, to eyes health it is very unfavorable.
Existing display, will not be to surrounding environment light intensity typically using unified backlight in display
Change and human eye demand analyzed come dynamically change picture output brightness, so as to influence whether human eye watch picture when
Visual effect, and influence the health of human eye.
The content of the invention
Embodiments of the invention provide a kind of brightness adjusting device and method, solve the display brightness fixation pair of display
The problem of visual effect and human eye health of human eye viewing picture have a negative impact.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
A kind of brightness adjusting device, including：Signal gathering unit, for obtaining shown by environment bright angle value and display
Picture；Data extracting unit, for extracting picture brightness value from the display picture；Data determining unit, for root
Brightness value to be shown corresponding to being searched according to the environment bright angle value and picture brightness value in default brightness data storehouse；Regulation
Unit, for adjusting the brightness of the display according to the brightness value to be shown.
Further, the brightness adjusting device also includes data display unit, for showing the brightness value to be shown.
Preferably, the brightness adjusting device also includes data transmitter unit, for the brightness value to be shown to be passed through
It is transmitted wirelessly to the adjustment unit；The adjustment unit also includes data reception module, described passes through nothing for receiving
The brightness value to be shown that line mode transmits.
Alternatively, the display picture is single image, multiple continuous images, or is one section of video.
Preferably, the signal gathering unit is digital camera, is integrated on the display or independently of described
Set outside display.
A kind of luminance regulating method, including：（1）Signal gathering unit obtains environment bright angle value and the display shows
The picture shown；（2）Data extracting unit extracts picture brightness value from the display picture；（3）Data determining unit according to
The environment bright angle value and picture brightness value searched in default brightness data storehouse corresponding to brightness value to be shown；（4）Adjust
Save the brightness that unit adjusts the display according to the brightness value to be shown.
Further, in step（3）And step（4）Between also include display unit show described in brightness value to be shown.
Preferably, in step（3）And step（4）Between also include：Data transmitter unit leads to the brightness value to be shown
Cross and be transmitted wirelessly to the adjustment unit；Described in data reception module reception in the adjustment unit wirelessly
The brightness value to be shown of transmission.
Brightness adjusting device provided in an embodiment of the present invention and method, can obtain real-time display picture brightness value and
Environment bright angle value, and can be according to the change of the two values, the brightness to be shown corresponding to lookup in default brightness data storehouse
Value, by setting suitable brightness data storehouse, suitable brightness value to be shown can be just obtained, adjustment unit can be to be shown according to this
Brightness value makes display show the display brightness of suitable eyes of user demand, so as to realize the dynamic regulation of display brightness,
During avoiding display screen excessively bright or excessively dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of block diagram of brightness adjusting device provided in an embodiment of the present invention；
Fig. 2 is the block diagram of another brightness adjusting device provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of luminance regulating method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another luminance regulating method provided in an embodiment 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.
The embodiments of the invention provide a kind of brightness adjusting device, as shown in figure 1, the device includes：Signal gathering unit
11, for obtaining environment bright angle value and the picture shown by display；Data extracting unit 12, for from display picture
Extract picture brightness value；Data determining unit 13, for according to environment bright angle value and picture brightness value in default brightness number
According to brightness value to be shown corresponding to lookup in storehouse；Adjustment unit 14, for adjusting the brightness of display according to brightness value to be shown.
The brightness adjusting device that above-described embodiment provides, can obtain real-time display picture brightness value and environment bright
Angle value, and can be according to the change of the two values, the brightness value to be shown corresponding to lookup in default brightness data storehouse, by setting
Suitable brightness data storehouse is put, can just obtain suitable brightness value to be shown, adjustment unit can make according to the brightness value to be shown
Display shows the display brightness of suitable eyes of user demand, so as to realize the dynamic regulation of display brightness, to avoid showing
When display screen is excessively bright or excessively dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Signal gathering unit 11 functions as human eye, can gather in real time（Obtain）Institute on the display that user uses
The picture of display, environment bright angle value can also be obtained simultaneously.Signal gathering unit 11 can be digital camera, can be integrated in
On display or independently of being set outside display, the digital camera is placed on the position that can collect display picture, number
Optical-electrical converter can be included in word camera, by the optical signal of the display picture got and the optical signal of ambient light point
Electric signal is not converted into it.
It is preferably digital camera independently of the signal gathering unit 11 set outside display, such as：With shooting work(
The mobile phone of energy, because mobile phone uses flexibly and easily so that picture from different perspectives, shown on distance acquisition display
Operation is simple.In addition, the display picture that signal gathering unit 11 is gathered can be single image, can also be continuous
Multiple images, it might even be possible to be one section of video.Wherein, used image number is more, and data extracting unit 12 extracts
Picture brightness value closer to display light intrinsic brilliance.
Data extracting unit 12 receives the picture of signal gathering unit collection, handles collecting picture, extracts
Picture brightness value.Specifically, data extracting unit 12 can include analog-digital converter, after signal gathering unit 11 is changed
Electric signal is converted into data signal, and tone value, intensity value and the brightness value of each pixel are generally included in these data signals,
Brightness value therein is easier to be perceived by eyes, for example, brightness value it is big picture it is dazzling, therefore extract picture brightness value as adjusting
The foundation of display brightness is saved, it is more direct and effective.
When picture is a two field picture, the brightness value of picture can be the average value of the brightness value of all pixels in image,
Or after for the pixel of diverse location in image distributing different weights, each pixel brightness value is weighted it is average after obtain
Picture brightness value.When combination of the picture to multiple image, such as one section of video, can in all images all pixels it is bright
Angle value is averaged, and first the brightness value of same pixel in every two field picture can also be averaged, then the picture for diverse location
After element distributes different weights, the average brightness value of each pixel is weighted it is average after obtain picture brightness value.Certainly, lead to
The method for crossing pixel brightness value extraction picture brightness value is not limited to the above-mentioned method for averaging or asking weighted average, can be with
It is other methods known to those skilled in the art.
The picture brightness value of extraction can be transferred to data determining unit 13.Certainly, data extracting unit 12 can be with signal
Collecting unit 11 integrates and all as the functional part in the mobile phone with camera function, such as：Set in mobile phone
Sensitive chip or sensor chip are put, so that mobile phone has collection environment bright angle value and display picture and the ring for exporting extraction
The function of border brightness values, the picture brightness value of extraction.
The environment bright angle value and picture brightness value that data determining unit 13 provides according to data extracting unit 12, with presetting
Light luminance information be compared analysis, and by the corresponding data information transfer found out to adjustment unit 14.
Wherein, default light luminance information is that user sets according to oneself eye to the feeling ability of light luminance
One brightness data storehouse, the database include environment bright angle value and picture brightness value and display corresponding with the two values
Brightness value to be shown.Different environment bright angle values and picture brightness value correspond to different brightness values to be shown.
Finally, adjustment unit 14 adjusts the brightness of display according to the brightness value to be shown.Specifically, display brightness is adjusted
The means of section can be regulation backlight, either for directly regulation display menu image in brightness value or be ability
Other adjusting methods known to field technique personnel.Adjustment unit 14 is preferably provided with over the display.
In the brightness adjusting device that above-described embodiment provides, data display unit 21 as shown in Figure 2 can also be included, used
In showing above-mentioned brightness value to be shown, enable users to be intuitive to see the numerical value.Data display unit 21 can be sentenced according to data
The judged result of disconnected unit 13, display reminding information, the information are gone back except the brightness value to be shown including adjusting brightness of display
The environment bright angle value and picture brightness value of above-mentioned data extracting unit 12 extraction can be included, and according to the picture brightness value
The intensity value that is calculated with HSV algorithms, tone value etc..
Certainly, data display unit 21 can be integrated with data extracting unit 12, signal gathering unit 11 and
All as the functional part in the mobile phone with camera function, so that there is mobile phone collection environment bright angle value, display to draw
The function in face, output digits after conversion signal and display reminding information.Data display unit 21 is specifically as follows the screen in mobile phone
Curtain, this prompt message directly can be shown by mobile phone screen.So, user's can is shown by mobile phone screen
Information, know display brightness regulation situation.
In addition, as shown in Fig. 2 the brightness adjusting device can also include data transmitter unit 22, by brightness to be shown
Value is wirelessly sent to adjustment unit, and correspondingly, adjustment unit 14 can also include data reception module 23, to receive
The brightness value to be shown wirelessly transmitted.
Certainly, the data transmitter unit 22 can also be integrated on above-mentioned mobile phone, the wireless launcher specially on mobile phone,
Launch brightness value to be shown, the data reception module 23 set in adjustment unit 14 receives the brightness value to be shown, and adjusts single
Member 14 automatically adjusts display brightness according to the brightness value to be shown of reception.
Above-mentioned brightness adjusting device realizes the dynamic regulation of display brightness, and it is excessively bright or excessively dark to avoid display screen
When, user feels poor visual effect or the uncomfortable phenomenon of eyes.
In addition, the embodiment of the present invention additionally provides a kind of luminance regulating method, as shown in figure 3, this method includes：301st, believe
Number collecting unit obtains environment bright angle value and the picture shown by display；302nd, data extracting unit is from display picture
Extract picture brightness value；303rd, data determining unit according to environment bright angle value and picture brightness value in default brightness data storehouse
Brightness value to be shown corresponding to middle lookup；304th, adjustment unit adjusts the brightness of display according to brightness value to be shown.
The luminance regulating method that above-described embodiment provides can be according to the real-time display picture brightness value of acquisition and environment
Brightness values, and can be according to the change of the two values, brightness value to be shown corresponding to lookup, leads in default brightness data storehouse
Cross and suitable brightness data storehouse is set, can just obtain suitable brightness value to be shown, adjustment unit can be according to the brightness to be shown
Value makes display show the display brightness of suitable eyes of user demand, so as to realize the dynamic regulation of display brightness, to keep away
Exempt from display screen it is excessively bright or excessively dark when, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Each step in the luminance regulating method that above-described embodiment provides is all when describing the brightness adjusting device shown in Fig. 1
It is described in detail, will not be repeated here.
In addition, as shown in figure 4, the embodiment of the present invention additionally provides a kind of luminance regulating method, including：401st, signal acquisition
Picture shown by unit acquisition environment bright angle value and display；402nd, data extracting unit extracts picture from display picture
Face brightness value；403rd, data determining unit is searched according to environment bright angle value and picture brightness value in default brightness data storehouse
Corresponding brightness value to be shown；404th, display unit shows brightness value to be shown；405th, data transmitter unit is by brightness to be shown
Value is wirelessly sent to adjustment unit；Data reception module in the adjustment unit, which receives, wirelessly to be transmitted
Brightness value to be shown；406th, adjustment unit adjusts the brightness of display according to brightness value to be shown.
In this method, the order of step 404 and step 405 can exchange, you can to first carry out step 404 as shown in Figure 4
Step 405 is performed again, can also be first carried out step 405 and be performed step 404 again.
And the luminance regulating method can obtain real-time display picture brightness value and environment bright angle value, and can root
According to the change of the two values, the brightness value to be shown corresponding to lookup in default brightness data storehouse is suitable bright by setting
Degrees of data storehouse, can just obtain suitable brightness value to be shown, and adjustment unit can show display according to the brightness value to be shown
Go out the display brightness of suitable eyes of user demand, so as to realize the dynamic regulation of display brightness, to avoid display screen excessively bright or
When crossing dark, user feels poor visual effect or the uncomfortable phenomenon of eyes.
Each step in luminance regulating method shown in Fig. 4 is all carried out when describing the brightness adjusting device shown in Fig. 2
Describe in detail, will not be repeated here.
The embodiment of the present invention is mainly used in handling official business, entertains, communicates etc. and needing to use the occasion of display.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (8)
- A kind of 1. brightness adjusting device, it is characterised in that including：Signal gathering unit, for obtaining environment bright angle value and the picture shown by display；Data extracting unit, for extracting picture brightness value from the display picture, when the picture is a two field picture, The picture brightness value is the average value of the brightness value of all pixels in described image；Or it is diverse location in described image After pixel distributes different weights, picture brightness value is obtained after being weighted to each pixel brightness value averagely；When the picture For multiple image combination when, first the brightness value of same pixel in every two field picture is averaged, then the picture for diverse location After element distributes different weights, the average brightness value of each pixel is weighted it is average after obtain picture brightness value；Data are sentenced Disconnected unit, for waiting to show corresponding to being searched in default brightness data storehouse according to the environment bright angle value and picture brightness value Show brightness value；Adjustment unit, for adjusting the brightness of the display according to the brightness value to be shown.
- 2. brightness adjusting device according to claim 1, it is characterised in that also including data display unit, for showing The brightness value to be shown.
- 3. brightness adjusting device according to claim 1, it is characterised in that also including data transmitter unit, for by institute State brightness value to be shown and be wirelessly sent to the adjustment unit；The adjustment unit also includes data reception module, for receive it is described wirelessly transmit it is described to be shown bright Angle value.
- 4. brightness adjusting device according to claim 1, it is characterised in that the display picture is single image, connected Multiple continuous images, or be one section of video.
- 5. brightness adjusting device according to claim 1, it is characterised in that the signal gathering unit is Digital photographic Machine, it is integrated on the display or independently of being set outside the display.
- A kind of 6. luminance regulating method, it is characterised in that including：(1) signal gathering unit obtains environment bright angle value and the picture shown by display；(2) data extracting unit extracts picture brightness value from the display picture, when the picture is a two field picture, institute State the average value that picture brightness value is the brightness value of all pixels in described image；Or the picture for diverse location in described image After element distributes different weights, picture brightness value is obtained after being weighted to each pixel brightness value averagely；When the picture is During the combination of multiple image, first the brightness value of same pixel in every two field picture is averaged, then the pixel for diverse location After distributing different weights, the average brightness value of each pixel is weighted it is average after obtain picture brightness value；(3) data determining unit is searched in default brightness data storehouse pair according to the environment bright angle value and picture brightness value The brightness value to be shown answered；(4) adjustment unit adjusts the brightness of the display according to the brightness value to be shown.
- 7. luminance regulating method according to claim 6, it is characterised in that also include between step (3) and step (4) Display unit shows described brightness value to be shown.
- 8. luminance regulating method according to claim 6, it is characterised in that also wrapped between step (3) and step (4) Include：The brightness value to be shown is wirelessly sent to the adjustment unit by data transmitter unit；The adjustment unit In data reception module receive described in the brightness value to be shown that wirelessly transmits.
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| CN201310522117.1A CN103531174B (en) | 2013-10-29 | 2013-10-29 | Brightness adjusting device and method |
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| US10712722B2 (en) | 2014-02-28 | 2020-07-14 | Delos Living Llc | Systems and articles for enhancing wellness associated with habitable environments |
| CN105788562B (en) * | 2014-12-24 | 2018-05-08 | Tcl集团股份有限公司 | The brightness control method and system of a kind of display device |
| AU2016202287B2 (en) | 2015-01-13 | 2021-04-01 | Delos Living Llc | Systems, methods and articles for monitoring and enhancing human wellness |
| CN104954844B (en) * | 2015-06-25 | 2019-04-02 | 深圳Tcl数字技术有限公司 | Image adjusting method, device and television system based on user location |
| CN104992692B (en) * | 2015-08-05 | 2017-11-14 | 广东欧珀移动通信有限公司 | A kind of method, apparatus for adjusting intelligent terminal screen intensity and a kind of intelligent terminal |
| EP3504942A4 (en) | 2016-08-24 | 2020-07-15 | Delos Living LLC | Systems, methods and articles for enhancing wellness associated with habitable environments |
| CN106713640B (en) * | 2016-12-27 | 2019-06-28 | 努比亚技术有限公司 | A kind of brightness adjusting method and equipment |
| US11668481B2 (en) | 2017-08-30 | 2023-06-06 | Delos Living Llc | Systems, methods and articles for assessing and/or improving health and well-being |
| CN113406076A (en) * | 2018-07-05 | 2021-09-17 | 深圳辉煌耀强科技有限公司 | Smear image acquisition and analysis system |
| EP3850458A4 (en) | 2018-09-14 | 2022-06-08 | Delos Living, LLC | Systems and methods for air remediation |
| US11844163B2 (en) | 2019-02-26 | 2023-12-12 | Delos Living Llc | Method and apparatus for lighting in an office environment |
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| CN110035176B (en) * | 2019-03-25 | 2021-01-01 | 努比亚技术有限公司 | Brightness adjusting method of mobile terminal, mobile terminal and storage medium |
| CN111564133B (en) * | 2020-06-12 | 2023-01-17 | 京东方科技集团股份有限公司 | Driving method and driving device of display panel and display device |
| CN112289277A (en) * | 2020-10-27 | 2021-01-29 | 上海熙业信息科技有限公司 | Mobile medical electronic equipment screen brightness adjusting system and method |
| CN112327494A (en) * | 2020-10-29 | 2021-02-05 | 中国航空工业集团公司洛阳电光设备研究所 | Automatic brightness adjusting method for airborne head-up display |
| CN113453082A (en) * | 2021-06-16 | 2021-09-28 | 深圳创维－Rgb电子有限公司 | Intelligent television image automatic adjustment processing method and device, intelligent television and medium |
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