CN109064999A - A kind of picture image parameter regulation means and its device based on screen back light value - Google Patents
A kind of picture image parameter regulation means and its device based on screen back light value Download PDFInfo
- Publication number
- CN109064999A CN109064999A CN201810803681.3A CN201810803681A CN109064999A CN 109064999 A CN109064999 A CN 109064999A CN 201810803681 A CN201810803681 A CN 201810803681A CN 109064999 A CN109064999 A CN 109064999A
- Authority
- CN
- China
- Prior art keywords
- value
- screen
- contrast
- image
- brightness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of picture image parameter regulation means and its device based on screen back light value.The brightness value and contrast value of screen are calculated by the corresponding relationship for reading current backlight value and pre-saving, image brightness values and contrast value are calculated separately out by the brightness value of screen and contrast value and corresponding relationship again, the brightness value and contrast value of separate computations image of the present invention, the brightness and contrast of image can be more accurately adjusted for the calculation compared with the single corresponding relationship of the prior art, to realize the brightness value and contrast value that adjust image when backlight value variation in time, keep the image quality of image without damage.
Description
Technical field
The present invention relates to display equipment pictures to adjust field, especially a kind of picture image parameter based on screen back light value
Method of adjustment and its device.
Background technique
Currently, for energy saving and realization environmental protection, the design of electronic product is increasingly paid attention to reducing power consumption.And liquid crystal
Show the main power consumption of equipment in backlight, therefore reducing power consumption using the method for dynamic adjustment backlight is most important energy saving hand
Section, such as the brightness of detection video pictures or the environment light of surrounding adjust backlight, but also drop while reducing backlight
Low image quality.Most variations are only adjusted the brightness of screen after adjusting backlight in the prior art, although this method
It has some improvement to visual effect, but there is no being adjusted to image, image quality is compromised.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide it is a kind of according to current backlight value and default corresponding relationship from
Dynamic adjustment image parameter, is able to achieve the adjustment of backlight in practical applications, to improve picture image quality, improves appreciation effect.
The present invention solves the problems, such as technical solution used by it are as follows: a kind of picture image parameter tune based on screen back light value
Adjusting method, comprising:
Obtain current backlight value；
Read the first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value, and according to current backlight value and
First corresponding relationship calculates target screen brightness value and target screen contrast value；
The second corresponding relationship of screen brightness value and image brightness values is read, and according to target screen brightness value and second pair
It should be related to and calculate target image brightness value；
The third corresponding relationship of screen contrast's angle value and image brightness values is read, and according to target screen contrast value and the
Three corresponding relationships calculate target image contrast value；
Target image brightness value and target image brightness value are respectively set to the brightness value and contrast value of present image.
Further, the current backlight value obtains once according to the every refreshing of screen refresh frequency is primary.
Further, when read current backlight value is identical with the last backlight value for refreshing acquisition, current figure is kept
The brightness value and contrast value of picture are constant.
Further, when read backlight value is the maximum backlight value of screen, with the maximum brightness value and maximum of screen
Contrast value is as target screen brightness value and target screen contrast value.
Further, first corresponding relationship, the second corresponding relationship and third corresponding relationship preset and are stored in aobvious
Show in device chip.
Further, when detecting equipment shutdown, it is bright that present image brightness value and contrast value are saved as into initial pictures
Angle value and initial pictures reduced value.
Further, when detecting device power-up, saved initial pictures brightness value and initial pictures reduced value are read
And it is set as the brightness value and contrast value of present image.
A kind of picture image parameter adjustment controls based on screen back light value, including following device:
Current backlight value acquisition device: for obtaining current backlight value；
Target screen brightness value and target screen contrast value computing device: for read backlight value, screen brightness value and
First corresponding relationship of screen contrast's angle value, and target screen brightness value is calculated according to current backlight value and the first corresponding relationship
With target screen contrast value；
Target image brightness value calculation apparatus: for reading the second corresponding relationship of screen brightness value and image brightness values,
And image brightness values are calculated according to target screen brightness value and the second corresponding relationship；
Target image contrast value computing device: the corresponding pass of third for reading screen contrast's angle value and image brightness values
System, and target image contrast value is calculated according to target screen contrast value and third corresponding relationship；
Picture number value adjuster: for target image brightness value and target image brightness value to be respectively set to currently scheme
The brightness value and contrast value of picture.
Further, further include following device:
Current backlight value updating device: for once obtaining a current backlight value according to the every refreshing of screen refresh frequency；
Image values holding meanss: identical with the last backlight value for refreshing acquisition for working as read current backlight value
When, keep the brightness value of present image and contrast value constant；
Device is arranged in screen brightness value and screen contrast's angle value maximum value: when the maximum back that read backlight value is screen
When light value, using the maximum brightness value of screen and maximum contrast angle value as target screen brightness value and target screen contrast value；
Initial pictures brightness value and initial pictures reduced value save set: for when detect equipment shutdown when, will be current
Image brightness values and contrast value save as initial pictures brightness value and initial pictures reduced value；
The brightness value and contrast value acquisition device of starting-up image: for when detecting device power-up, reading to be saved
Initial pictures brightness value and initial pictures reduced value and the brightness value and contrast value that are set as present image.
A kind of picture image parameter adjustment controls based on screen back light value, comprising: processor；
Memory for storage processor executable instruction；
Wherein, the processor executes following steps:
Obtain current backlight value；
Read the first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value；
Current screen brightness value and current screen reduced value are calculated according to current backlight value and the first corresponding relationship；
The second corresponding relationship of screen brightness value and image brightness values is read, and is calculated according to second corresponding relationship
Image brightness values；
The third corresponding relationship of screen contrast's value and image brightness values is read, and is calculated according to the third corresponding relationship
Image contrast value；
Target image brightness value and target image brightness value are respectively set to the brightness value and contrast value of present image.
Further, the current backlight value obtains once according to the every refreshing of screen refresh frequency is primary.
Further, when read current backlight value is identical with the last backlight value for refreshing acquisition, current figure is kept
The brightness value and contrast value of picture are constant.
Further, when read backlight value is the maximum backlight value of screen, with the maximum brightness value and maximum of screen
Contrast value is as target screen brightness value and target screen contrast value.
Further, first corresponding relationship, the second corresponding relationship and third corresponding relationship preset and are stored in aobvious
Show in device chip.
Further, when detecting equipment shutdown, it is bright that present image brightness value and contrast value are saved as into initial pictures
Angle value and initial pictures reduced value.
Further, when detecting device power-up, saved initial pictures brightness value and initial pictures reduced value are read
And it is set as the brightness value and contrast value of present image.
The beneficial effects of the present invention are: present invention employs a kind of picture image parameter adjustment side based on screen back light value
Method and its device.The brightness value and contrast of target image are calculated by current backlight value and pre-set corresponding relationship
Value, to complete the adjustment to image.To the way for only adjusting screen intensity compared with the prior art, the present invention is adjusted in time
The brightness value and contrast value of image, is effectively guaranteed the image quality of picture image, improves user experience.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of method flow diagram of the picture image parameter regulation means based on screen back light value of the present invention.
Specific embodiment
Referring to Fig.1, a kind of picture image parameter regulation means based on screen back light value of the invention, comprising:
Step A, current backlight value is obtained；
Step B, the first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value is read, and according to current back
Light value and the first corresponding relationship calculate target screen brightness value and target screen contrast value；
Step C, read the second corresponding relationship of screen brightness value and image brightness values, and according to target screen brightness value and
Second corresponding relationship calculates target image brightness value；
Step D, the third corresponding relationship of screen contrast's angle value and image brightness values is read, and according to target Display Contrast
Value and third corresponding relationship calculate target image contrast value；
Step E, target image brightness value and target image brightness value are respectively set to the brightness value of present image and right
Compare angle value.
Wherein, target screen brightness value described in step B and target screen contrast value are brightness and comparison in screen
The average value of degree.
Wherein, step C and step D separate computations target image brightness value and target image contrast value can be mentioned more effectively
The image quality of hi-vision, method used by the prior art are brightness and contrast's also same time-varying of image when screen back light value changes
Change, and corresponding relationship is consistent, doing so can not be distinguished brightness and contrast by the influence degree that backlight changes.Cause
This present invention uses the brightness value and contrast value of the second corresponding relationship and third corresponding relationship separate computations target image, can
More effectively respond the variation of backlight.
Further, the current backlight value obtains once according to the every refreshing of screen refresh frequency is primary.
Wherein, since screen refresh frequency is usually very fast, every refresh can once make with regard to obtaining a current backlight value
Calculated image parameter amplitude of variation is small as far as possible, and the visual effect of presentation is that the variation of brightness of image and contrast is line
, there is splashette in property and more soft when backlight value being avoided to be widely varied.
Further, when read current backlight value is identical with the last backlight value for refreshing acquisition, current figure is kept
The brightness value and contrast value of picture are constant.
Wherein, when the phase of backlight value twice of continuous acquisition simultaneously as each corresponding relationship be to maintain it is constant, therefore calculate
Value out be also it is identical, in this case in order to save computing resource, default is without calculating.
Further, when read backlight value is the maximum backlight value of screen, with the maximum brightness value and maximum of screen
Contrast value is as target screen brightness value and target screen contrast value.
Further, first corresponding relationship, the second corresponding relationship and third corresponding relationship preset and are stored in aobvious
Show in device chip.
Preferably, in order to adapt to the demand of different user, each corresponding relationship includes multiple schemes, such as first corresponding closes
Multiple modes are arranged in system, and user can select one of mode according to the selection of oneself, and it is corresponding to select different modes first
Calculation method corresponding to relationship is different, and the screen brightness value and contrast value obtained is also different.Second corresponding relationship and third
Corresponding relationship is similarly.
Further, when detecting equipment shutdown, it is bright that present image brightness value and contrast value are saved as into initial pictures
Angle value and initial pictures reduced value.
Further, when detecting device power-up, saved initial pictures brightness value and initial pictures reduced value are read
And it is set as the brightness value and contrast value of present image.
A kind of picture image parameter adjustment controls based on screen back light value, including following device:
Current backlight value acquisition device: for obtaining current backlight value；
Target screen brightness value and target screen contrast value computing device: for read backlight value, screen brightness value and
First corresponding relationship of screen contrast's angle value, and target screen brightness value is calculated according to current backlight value and the first corresponding relationship
With target screen contrast value；
Target image brightness value calculation apparatus: for reading the second corresponding relationship of screen brightness value and image brightness values,
And image brightness values are calculated according to target screen brightness value and the second corresponding relationship；
Target image contrast value computing device: the corresponding pass of third for reading screen contrast's angle value and image brightness values
System, and target image contrast value is calculated according to target screen contrast value and third corresponding relationship；
Picture number value adjuster: for target image brightness value and target image brightness value to be respectively set to currently scheme
The brightness value and contrast value of picture.
Further, further include following device:
Current backlight value updating device: for once obtaining a current backlight value according to the every refreshing of screen refresh frequency；
Image values holding meanss: identical with the last backlight value for refreshing acquisition for working as read current backlight value
When, keep the brightness value of present image and contrast value constant；
Device is arranged in screen brightness value and screen contrast's angle value maximum value: when the maximum back that read backlight value is screen
When light value, using the maximum brightness value of screen and maximum contrast angle value as target screen brightness value and target screen contrast value；
Initial pictures brightness value and initial pictures reduced value save set: for when detect equipment shutdown when, will be current
Image brightness values and contrast value save as initial pictures brightness value and initial pictures reduced value；
The brightness value and contrast value acquisition device of starting-up image: for when detecting device power-up, reading to be saved
Initial pictures brightness value and initial pictures reduced value and the brightness value and contrast value that are set as present image.
A kind of picture image parameter adjustment controls based on screen back light value, comprising: processor；
Memory for storage processor executable instruction；
Wherein, the processor executes following steps:
Obtain current backlight value；
Read the first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value；
Current screen brightness value and current screen reduced value are calculated according to current backlight value and the first corresponding relationship；
The second corresponding relationship of screen brightness value and image brightness values is read, and is calculated according to second corresponding relationship
Image brightness values；
The third corresponding relationship of screen contrast's value and image brightness values is read, and is calculated according to the third corresponding relationship
Image contrast value；
Target image brightness value and target image brightness value are respectively set to the brightness value and contrast value of present image.
Further, the current backlight value obtains once according to the every refreshing of screen refresh frequency is primary.
Further, when read current backlight value is identical with the last backlight value for refreshing acquisition, current figure is kept
The brightness value and contrast value of picture are constant.
Further, when read backlight value is the maximum backlight value of screen, with the maximum brightness value and maximum of screen
Contrast value is as target screen brightness value and target screen contrast value.
Further, first corresponding relationship, the second corresponding relationship and third corresponding relationship preset and are stored in aobvious
Show in device chip.
Further, when detecting equipment shutdown, it is bright that present image brightness value and contrast value are saved as into initial pictures
Angle value and initial pictures reduced value.
Further, when detecting device power-up, saved initial pictures brightness value and initial pictures reduced value are read
And it is set as the brightness value and contrast value of present image.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of picture image parameter regulation means based on screen back light value characterized by comprising
Obtain current backlight value；
The first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value is read, and according to current backlight value and first
Corresponding relationship calculates target screen brightness value and target screen contrast value；
The second corresponding relationship of screen brightness value and image brightness values is read, and is closed according to target screen brightness value and second are corresponding
System calculates target image brightness value；
The third corresponding relationship of screen contrast's angle value and image brightness values is read, and according to target screen contrast value and third pair
It should be related to and calculate target image contrast value；
Target image brightness value and target image brightness value are respectively set to the brightness value and contrast value of present image.
2. a kind of picture image parameter regulation means based on screen back light value according to claim 1, it is characterised in that:
The current backlight value obtains once according to the every refreshing of screen refresh frequency is primary.
3. a kind of picture image parameter regulation means based on screen back light value according to claim 2, it is characterised in that:
When read current backlight value is identical with the last backlight value for refreshing acquisition, brightness value and the comparison of present image are kept
Angle value is constant.
4. a kind of picture image parameter regulation means based on screen back light value according to claim 1, it is characterised in that:
When read backlight value is the maximum backlight value of screen, using the maximum brightness value of screen and maximum contrast angle value as target
Screen brightness value and target screen contrast value.
5. a kind of picture image parameter regulation means based on screen back light value according to claim 1, it is characterised in that:
First corresponding relationship, the second corresponding relationship and third corresponding relationship preset and are stored in display device chip.
6. a kind of picture image parameter regulation means based on screen back light value according to claim 1, it is characterised in that:
When detecting equipment shutdown, present image brightness value and contrast value are saved as into initial pictures brightness value and initial pictures pair
Ratio.
7. a kind of picture image parameter regulation means based on screen back light value according to claim 6, it is characterised in that:
When detecting device power-up, reads saved initial pictures brightness value and initial pictures reduced value and be set as present image
Brightness value and contrast value.
8. a kind of picture image parameter adjustment controls based on screen back light value, which is characterized in that including following device:
Current backlight value acquisition device: for obtaining current backlight value；
Target screen brightness value and target screen contrast value computing device: for reading backlight value, screen brightness value and screen
First corresponding relationship of contrast value, and target screen brightness value and mesh are calculated according to current backlight value and the first corresponding relationship
Mark screen contrast's angle value；
Target image brightness value calculation apparatus: for reading the second corresponding relationship of screen brightness value and image brightness values, and root
Image brightness values are calculated according to target screen brightness value and the second corresponding relationship；
Target image contrast value computing device: for reading the third corresponding relationship of screen contrast's angle value and image brightness values,
And target image contrast value is calculated according to target screen contrast value and third corresponding relationship；
Picture number value adjuster: for target image brightness value and target image brightness value to be respectively set to present image
Brightness value and contrast value.
9. a kind of picture image parameter adjustment controls based on screen back light value according to claim 8, which is characterized in that
Further include following device:
Current backlight value updating device: for once obtaining a current backlight value according to the every refreshing of screen refresh frequency；
Image values holding meanss: for when read current backlight value with it is last refresh the backlight value obtained it is identical when,
Keep brightness value and the contrast value of present image constant；
Device is arranged in screen brightness value and screen contrast's angle value maximum value: when the maximum backlight value that read backlight value is screen
When, using the maximum brightness value of screen and maximum contrast angle value as target screen brightness value and target screen contrast value；
Initial pictures brightness value and initial pictures reduced value save set: for when detect equipment shutdown when, by present image
Brightness value and contrast value save as initial pictures brightness value and initial pictures reduced value；
The brightness value and contrast value acquisition device of starting-up image: for when detecting device power-up, reading to be saved first
Beginning image brightness values and initial pictures reduced value and the brightness value and contrast value for being set as present image.
10. a kind of picture image parameter adjustment controls based on screen back light value characterized by comprising processor；
Memory for storage processor executable instruction；
Wherein, the processor executes following steps:
Obtain current backlight value；
Read the first corresponding relationship of backlight value, screen brightness value and screen contrast's angle value；
Current screen brightness value and current screen reduced value are calculated according to current backlight value and the first corresponding relationship；
The second corresponding relationship of screen brightness value and image brightness values is read, and image is calculated according to second corresponding relationship
Brightness value；
The third corresponding relationship of screen contrast's value and image brightness values is read, and image is calculated according to the third corresponding relationship
Contrast value；
Target image brightness value and target image brightness value are respectively set to the brightness value and contrast value of present image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803681.3A CN109064999A (en) | 2018-07-20 | 2018-07-20 | A kind of picture image parameter regulation means and its device based on screen back light value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803681.3A CN109064999A (en) | 2018-07-20 | 2018-07-20 | A kind of picture image parameter regulation means and its device based on screen back light value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109064999A true CN109064999A (en) | 2018-12-21 |
Family
ID=64817696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803681.3A Pending CN109064999A (en) | 2018-07-20 | 2018-07-20 | A kind of picture image parameter regulation means and its device based on screen back light value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109064999A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243532A (en) * | 2020-01-16 | 2020-06-05 | 聚好看科技股份有限公司 | A backlight control method and display device |
| CN114639356A (en) * | 2022-03-14 | 2022-06-17 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, electronic equipment and computer readable storage medium |
| WO2024131175A1 (en) * | 2022-12-22 | 2024-06-27 | 惠州视维新技术有限公司 | Startup picture display method and system and display apparatus |
| CN119516956A (en) * | 2023-08-29 | 2025-02-25 | 华为技术有限公司 | Image display method, electronic device and computer readable storage medium |
| CN120014984A (en) * | 2023-11-14 | 2025-05-16 | 北京小米移动软件有限公司 | Display adjustment method, display adjustment device and storage medium |
| WO2025245744A1 (en) * | 2024-05-29 | 2025-12-04 | 北京小米移动软件有限公司 | Method and apparatus for adjusting screen brightness, and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889640A (en) * | 2006-07-14 | 2007-01-03 | 天津三星电子显示器有限公司 | Method for television demonstrating program to carry out initialization |
| CN1979629A (en) * | 2005-11-29 | 2007-06-13 | 康佳集团股份有限公司 | Picture showing method of display device |
| CN101448069A (en) * | 2007-11-27 | 2009-06-03 | 青岛海信电器股份有限公司 | System and method for copying setup information of TV |
| CN101882425A (en) * | 2010-06-30 | 2010-11-10 | 深圳创维－Rgb电子有限公司 | Method, system and liquid crystal display device for adjusting image quality of display screen |
| CN102402970A (en) * | 2011-12-21 | 2012-04-04 | Tcl王牌电器(惠州)有限公司 | Method and device for adjusting contrast of display screen |
| CN103106876A (en) * | 2013-01-14 | 2013-05-15 | 合肥工业大学 | Global dimming method of liquid crystal display backlight based on image classification |
| CN105679256A (en) * | 2015-05-25 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for dynamically adjusting backlight |
| US20170206862A1 (en) * | 2016-01-20 | 2017-07-20 | Samsung Electronics Co., Ltd. | Method of regulating brightness of a display screen |
| TW201801064A (en) * | 2016-06-30 | 2018-01-01 | 晨星半導體股份有限公司 | Backlight control and image compensation method applied to display and associated control circuit |
| CN107689214A (en) * | 2016-08-05 | 2018-02-13 | 青岛海信电器股份有限公司 | The backlight adjusting method and device of a kind of intelligent display device |
-
2018
- 2018-07-20 CN CN201810803681.3A patent/CN109064999A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979629A (en) * | 2005-11-29 | 2007-06-13 | 康佳集团股份有限公司 | Picture showing method of display device |
| CN1889640A (en) * | 2006-07-14 | 2007-01-03 | 天津三星电子显示器有限公司 | Method for television demonstrating program to carry out initialization |
| CN101448069A (en) * | 2007-11-27 | 2009-06-03 | 青岛海信电器股份有限公司 | System and method for copying setup information of TV |
| CN101882425A (en) * | 2010-06-30 | 2010-11-10 | 深圳创维－Rgb电子有限公司 | Method, system and liquid crystal display device for adjusting image quality of display screen |
| CN102402970A (en) * | 2011-12-21 | 2012-04-04 | Tcl王牌电器(惠州)有限公司 | Method and device for adjusting contrast of display screen |
| CN103106876A (en) * | 2013-01-14 | 2013-05-15 | 合肥工业大学 | Global dimming method of liquid crystal display backlight based on image classification |
| CN105679256A (en) * | 2015-05-25 | 2016-06-15 | 深圳Tcl数字技术有限公司 | Method and device for dynamically adjusting backlight |
| US20170206862A1 (en) * | 2016-01-20 | 2017-07-20 | Samsung Electronics Co., Ltd. | Method of regulating brightness of a display screen |
| TW201801064A (en) * | 2016-06-30 | 2018-01-01 | 晨星半導體股份有限公司 | Backlight control and image compensation method applied to display and associated control circuit |
| CN107689214A (en) * | 2016-08-05 | 2018-02-13 | 青岛海信电器股份有限公司 | The backlight adjusting method and device of a kind of intelligent display device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243532A (en) * | 2020-01-16 | 2020-06-05 | 聚好看科技股份有限公司 | A backlight control method and display device |
| CN111243532B (en) * | 2020-01-16 | 2022-03-22 | 聚好看科技股份有限公司 | Backlight control method and display device |
| CN114639356A (en) * | 2022-03-14 | 2022-06-17 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, electronic equipment and computer readable storage medium |
| CN114639356B (en) * | 2022-03-14 | 2024-02-06 | Oppo广东移动通信有限公司 | Display brightness adjusting method, device, electronic equipment and computer readable storage medium |
| WO2024131175A1 (en) * | 2022-12-22 | 2024-06-27 | 惠州视维新技术有限公司 | Startup picture display method and system and display apparatus |
| CN119516956A (en) * | 2023-08-29 | 2025-02-25 | 华为技术有限公司 | Image display method, electronic device and computer readable storage medium |
| CN120014984A (en) * | 2023-11-14 | 2025-05-16 | 北京小米移动软件有限公司 | Display adjustment method, display adjustment device and storage medium |
| WO2025245744A1 (en) * | 2024-05-29 | 2025-12-04 | 北京小米移动软件有限公司 | Method and apparatus for adjusting screen brightness, and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109064999A (en) | A kind of picture image parameter regulation means and its device based on screen back light value | |
| WO2017113343A1 (en) | Method for adjusting backlight brightness and terminal | |
| JP5805109B2 (en) | Method for enhancing an image for display on a liquid crystal display, graphic processing apparatus, and computer-readable medium | |
| CN112927658B (en) | Driving method and driving device of display panel and display device | |
| US20170199563A1 (en) | Image Display Method and Display System | |
| CN105453166B (en) | Method, device and electronic equipment for adjusting backlight brightness | |
| CN111640390A (en) | Display screen flicker adjusting circuit and method and display device | |
| US9824650B2 (en) | Method of adjusting display unit and electronic device | |
| CN115376445A (en) | Gamma voltage regulating method, gamma voltage regulating circuit and display device | |
| CN103295542A (en) | Backlight dimming method and liquid crystal display using the same | |
| CN103208269B (en) | A kind of method and device adjusting screen intensity | |
| US9329466B2 (en) | Image projection apparatus in which lamp power is determined by measured illuminance | |
| CN109754770A (en) | Display panel brightness adjusting method and display device | |
| US20150062185A1 (en) | Electronic apparatus and method for controlling brightness for a display | |
| WO2019127718A1 (en) | Method and apparatus for displaying image | |
| CN109243383B (en) | Backlight brightness adjusting method of display screen and display screen device | |
| CN209086907U (en) | Devices and electronics for controlling display screens | |
| CN101777311A (en) | Dynamic backlight brightness control method | |
| KR20180074563A (en) | Display apparatus and driving method thereof | |
| CN106297732A (en) | Display backlight brightness adjusting method and device | |
| CN111883070B (en) | Driving method and driving module of display panel and display device | |
| CN102802001B (en) | Method and device for reducing dynamic crosstalk of shutter type 3D liquid crystal display and liquid crystal display | |
| Anand et al. | PARVAI—HVS aware adaptive display power management for mobile games | |
| CN118098176B (en) | Image compensation method of display device and display device | |
| CN201868080U (en) | Backlight brightness control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |