CN103474036A - Display luminance adjusting method and system - Google Patents
Display luminance adjusting method and system Download PDFInfo
- Publication number
- CN103474036A CN103474036A CN2013104384650A CN201310438465A CN103474036A CN 103474036 A CN103474036 A CN 103474036A CN 2013104384650 A CN2013104384650 A CN 2013104384650A CN 201310438465 A CN201310438465 A CN 201310438465A CN 103474036 A CN103474036 A CN 103474036A
- Authority
- CN
- China
- Prior art keywords
- display
- backlight
- ambient brightness
- brightness
- brightness value
- 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.)
- Granted
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a display luminance adjusting method. The method comprises the steps that a luminance sensor of an external device collects environment luminance data; the environment luminance value is calculated according to the collected environment luminance data and is sent to a display end; the backlight luminance value matched with the environment luminance value is calculated according to the environment luminance value; a display chip reads the backlight luminance value and controls a backlight drive unit of a display to adjust the backlight luminance of the display. The invention further provides a display luminance adjusting system and the display. The display luminance adjusting method, the display luminance adjusting system and the display have the advantages that the external device is connected with the display, so that the display is made to be capable of adjusting self luminance changes according to the environment luminance data collected by the external device, energy is saved and comfortable visual feeling is provided on the premise that no luminance sensor and no peripheral circuit are further arranged on the display, cost is saved, and design difficulty is reduced.
Description
Technical field
The present invention relates to the display technology field, relate in particular to a kind of display brightness control method, system.
Background technology
Luminance sensor (sensor), photoreceptor namely, be to carry out according to bright bright-dark degree on every side the device of adjusting screen light and shade.Carry brightness control function on part mobile phone, panel computer, the strong place at light, increase the brightness of screen, the dark place at light, and the brightness that reduces screen is to reach energy-conservation and the purpose of comfortable visual experience is provided.
Current, be provided with equally brightness sensor on the display of part PC, some displays carry brightness sensor at present, carry brightness sensor after the brightness of perception surrounding environment changes, adjusting brightness of display still, arranges brightness sensor and has following defect on the display of PC:
1. increase brightness sensor on display, increased the manufacturing cost of display;
2. need to guarantee brightness sensor normal operation at the upper peripheral circuit that increases of the printed circuit board (PCB) (PCB) of PC, increase the difficulty of design.
Summary of the invention
The purpose of this invention is to provide a kind of display brightness control method, system and display, to solve the above-mentioned defect existed in prior art.
For realizing purpose of the present invention, the invention provides a kind of display brightness control method, comprising:
The 1st step, the luminance sensor of external unit gathers the ambient brightness data;
The 2nd step, the described ambient brightness data according to gathering, calculate ambient brightness value and send to the display end;
The 3rd step, according to described ambient brightness value, calculate the backlight brightness values be complementary with described ambient brightness value;
The 4th step, display chip reads described backlight brightness values, and the backlight driving unit of controlling described display is adjusted described display backlight brightness.
Preferably, described display is connected by the MHL data line with described external unit, in described the 2nd step, described ambient brightness value is sent to described display end by cbus with the ddcci data layout.
Preferably, described the 4th step is specially: display chip reads described backlight brightness values, described backlight brightness values is stored in buffer, and the backlight driving unit of controlling described display is adjusted described display backlight brightness simultaneously.
Preferably, in the 3rd step, described according to described ambient brightness value, calculate the backlight brightness values be complementary with described ambient brightness value, be specially, according to the illuminometer of described display end, search the register value of described control backlight illumination corresponding to described ambient brightness value.
Preferably, in the 3rd step, according to described ambient brightness value, before calculating the backlight brightness values be complementary with described ambient brightness value, also comprise that the display end judges the step of described ambient brightness value correctness by summation inspection code (checksum) field of the described ambient brightness value of check.
The present invention also provides a kind of display brightness regulating system, comprising: external unit, display end,
Described external unit is connected with described display end, and described external unit comprises luminance sensor and data transmission unit, and described luminance sensor is for gathering the ambient brightness data; Described data transmission unit is used for will be according to the described ambient brightness data that gather, and the ambient brightness value that described external unit calculates sends to the display end;
Described display end, comprise data receiver unit and computing unit, display chip, backlight driving unit, and described data receiver unit is for receiving described ambient brightness value; Described computing unit, for according to described ambient brightness value, calculates the backlight brightness values be complementary with described ambient brightness value; Described display chip reads described backlight brightness values for display chip, and the backlight driving unit of controlling described display is adjusted described display backlight brightness; Described backlight driving unit is for adjusting described display backlight brightness.
Preferably, described display is connected by the MHL data line with described external unit, and described data transmission unit sends to described display end by cbus with the ddcci data layout by ambient brightness value.
Preferably, described computing unit specifically for, according to the illuminometer of described display end, search the register value of described control backlight illumination corresponding to described ambient brightness value.
Preferably, described display end, also comprise the data detection unit, for summation inspection code (checksum) field by the described ambient brightness value of check, judges described ambient brightness value correctness.
Beneficial effect of the present invention is, by external unit, with display, be connected, thereby make display can regulate according to the ambient brightness data of external unit collection the brightness variation of self, energy-conservation and comfortable visual experience is provided in, need not on display, increase luminance sensor and peripheral circuit, save cost, reduce design difficulty.
The accompanying drawing explanation
Fig. 1 is method flow diagram provided by the invention;
Fig. 2 is system construction drawing provided by the invention;
The method flow diagram that Fig. 3 is embodiment provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
As Fig. 1, the invention provides a kind of display brightness control method, comprise the steps:
Step S101, the luminance sensor of external unit gathers the ambient brightness data; ;
In the present invention, external unit comprises mobile phone, panel computer etc., these equipment can be along with the variation of the variation adjusting screen brightness of external environment brightness by brightness sensor function, this function can specifically adopt following steps to realize: brightness sensor perception surrounding brightness also sends to the device processes unit, is generally CPU; Processing unit obtains the data that brightness sensor sends, and calculates the current ambient brightness value that should set of external unit screen, and according to the ambient brightness value calculated, external unit is carried out and changed current screen brightness.
Step S102, the described ambient brightness data according to gathering, calculate ambient brightness value and send to the display end;
In this step, described ambient brightness value refers to the ambient brightness value that external unit screen that external unit calculates according to the surrounding brightness data that gather should be set.External unit also comprises data sending function module, calculate ambient brightness value in step S101 after, described ambient brightness value is sent to described display end by control bus (cbus) with the DDC/instruction interface for remote diagnosis and control (ddcci) data layout.As shown in Figure 4, external unit end and display end carry out data transmission to the data layout of described ddcci, adopt following step:
1. external unit is carried out the control of making a decision and obtain Cbus
2. external unit sends the initial control bag of frame, in order to create a DDC frame
3. external unit sends DDC device address packet to the display end, this packet Read position zero clearing.
4. the display end sends corresponding control and wraps external unit
5. external unit sends the initial data of DDC to the display end
6. the display end sends corresponding control and wraps external unit
7. external unit sends bit data and arrives the display end as packet
8. the display end sends corresponding control and wraps external unit
9. when external unit wants to send the more data position to the display end, the 7th step and the 8th step repeat
10. external unit sends and stops controlling bag to the display end
11. external unit sends frame end and controls bag to the display end, finishes the transmission of a DDC frame.
Peripheral equipment of the present invention need be supported mobile terminal high-definition audio and video standard interface (MHL), and external unit can be used special patchcord to carry out data transmission by HDMI (High Definition Multimedia Interface) (hdmi) interface of data port (micro-sub) interface and described display end.
Step S103, according to described ambient brightness value, calculate with described ambient brightness value be complementary backlight brightness values.
Step S104, display chip reads described backlight brightness values, and the backlight driving unit of controlling described display is adjusted described display backlight brightness.
In the present invention, the illuminometer that the control panel of every display (panel) is corresponding different, after receiving ambient brightness value again, can from illuminometer, find corresponding brightness register parameter, be written in scaler, guaranteed that every display all can have the brightness that is adapted to self panel change, not there will be the image quality sudden change, guaranteed user's visual experience.For the data correctness that guarantees that display receives, after receiving the step of described ambient brightness value, before the display end is converted to by described ambient brightness value the register value of controlling backlight illumination in display chip, the checksum field that also comprises the described ambient brightness value that the display end receives by check, judge the step of the described ambient brightness value correctness received, if incorrect, abandon these data, again obtain.
As shown in Figure 2, correspondingly, the present invention also provides a kind of display brightness regulating system, comprising: external unit 201, display end 202,
Described external unit is connected with described display end, and described external unit comprises luminance sensor and data transmission unit, and described luminance sensor is for gathering the ambient brightness data; Described data transmission unit is used for will be according to the described ambient brightness data that gather, and the ambient brightness value that described external unit calculates sends to the display end;
Described display end, comprise data receiver unit and computing unit, display chip, backlight driving unit, and described data receiver unit is for receiving described ambient brightness value; Described computing unit, for according to described ambient brightness value, calculates the backlight brightness values be complementary with described ambient brightness value; Described display chip reads described backlight brightness values for display chip, and the backlight driving unit of controlling described display is adjusted described display backlight brightness; Described backlight driving unit is for adjusting described display backlight brightness.
The present invention also provides a kind of display, and described display can be realized all functions of display end in said method and system.
As shown in Figure 3, the embodiment of method provided by the present invention comprises the following steps:
Step S301, judge whether starting hand-set brightness sensor function in OSD; If not, jump to step S302, if jump to step S303.
Mobile phone brightness sensor function herein refers to, the function of synchronizeing with mobile phone brightness sensor.Can be at the upper newly-increased option (Mobile Light Sensor) of display menu (OSD), the user can carry out the operation that opens or closes to brightness sensor synchronizing function by this option.If the user has selected to open this function, screen can point out the user to open the brightness control function of mobile phone;
Step S302, mobile phone sensor function does not start.
Step S303, judge whether mobile phone opens the sensor function; If jump to step S304, if jump to step S305.
Step S304, mobile phone sensor function does not start.
Step S305, the brightness of mobile phone brightness sensor surrounding being monitored.
Step S306, the computing environment brightness value changes screen luminance of mobile phone and sends ambient brightness value to the display end by DDCCI.
Step S307, display obtains the DDCCI order;
Step S308, change display brightness.
In sum, a kind of display brightness control method provided by the invention, system and display, to display, improve user's comfort by mobile phone brightness synchronous reaction; Realized that display brightness is with surrounding environment change, saved the energy; For the synchronous mobile phone brightness of display sensor function setting the friendly interface menu of function opening and closing, reminding user operates on request, is simple and easy to use.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a display brightness control method, is characterized in that, comprising:
The 1st step, the luminance sensor of external unit gathers the ambient brightness data;
The 2nd step, the described ambient brightness data according to gathering, calculate ambient brightness value and send to the display end;
The 3rd step, according to described ambient brightness value, calculate the backlight brightness values be complementary with described ambient brightness value;
The 4th step, display chip reads described backlight brightness values, and the backlight driving unit of controlling described display is adjusted described display backlight brightness.
2. display brightness control method according to claim 1, it is characterized in that, described display is connected by the MHL data line with described external unit, in described the 2nd step, described ambient brightness value is sent to described display end by cbus with the ddcci data layout.
3. display brightness control method according to claim 2, it is characterized in that, described the 4th step is specially: display chip reads described backlight brightness values, described backlight brightness values is stored in buffer, and the backlight driving unit of controlling described display is adjusted described display backlight brightness simultaneously.
4. display brightness control method according to claim 3, it is characterized in that, in the 3rd step, described according to described ambient brightness value, calculate the backlight brightness values be complementary with described ambient brightness value, be specially, according to the illuminometer of described display end, search the register value of described control backlight illumination corresponding to described ambient brightness value.
5. display brightness control method according to claim 4, it is characterized in that, in the 3rd step, according to described ambient brightness value, before calculating the backlight brightness values be complementary with described ambient brightness value, also comprise that the display end judges the step of described ambient brightness value correctness by summation inspection code (checksum) field of the described ambient brightness value of check.
6. a display brightness regulating system, is characterized in that, comprising: external unit, display end,
Described external unit is connected with described display end, and described external unit comprises luminance sensor and data transmission unit, and described luminance sensor is for gathering the ambient brightness data; Described data transmission unit is used for will be according to the described ambient brightness data that gather, and the ambient brightness value that described external unit calculates sends to the display end;
Described display end, comprise data receiver unit and computing unit, display chip, backlight driving unit, and described data receiver unit is for receiving described ambient brightness value; Described computing unit, for according to described ambient brightness value, calculates the backlight brightness values be complementary with described ambient brightness value; Described display chip reads described backlight brightness values for display chip, and the backlight driving unit of controlling described display is adjusted described display backlight brightness; Described backlight driving unit is for adjusting described display backlight brightness.
7. display brightness regulating system according to claim 6, it is characterized in that, described display is connected by the MHL data line with described external unit, and described data transmission unit sends to described display end by cbus with the ddcci data layout by ambient brightness value.
8. display brightness regulating system according to claim 6, is characterized in that, described computing unit specifically for, according to the illuminometer of described display end, search the register value of described control backlight illumination corresponding to described ambient brightness value.
9. display brightness regulating system according to claim 7, it is characterized in that, described display end, also comprise the data detection unit, for summation inspection code (checksum) field by the described ambient brightness value of check, judges described ambient brightness value correctness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438465.0A CN103474036B (en) | 2013-09-24 | 2013-09-24 | Display brightness control method, system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438465.0A CN103474036B (en) | 2013-09-24 | 2013-09-24 | Display brightness control method, system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103474036A true CN103474036A (en) | 2013-12-25 |
| CN103474036B CN103474036B (en) | 2016-01-13 |
Family
ID=49798859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310438465.0A Expired - Fee Related CN103474036B (en) | 2013-09-24 | 2013-09-24 | Display brightness control method, system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103474036B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902209A (en) * | 2014-03-05 | 2015-09-09 | 上海华虹集成电路有限责任公司 | Data transmission system between CBUS and MCU |
| CN105609059A (en) * | 2016-02-26 | 2016-05-25 | 苏州佳世达电通有限公司 | Photosensitive display system and operation method of photosensitive display system |
| CN105898542A (en) * | 2015-12-08 | 2016-08-24 | 乐视移动智能信息技术（北京）有限公司 | Display screen brightness adjustment and data transmission method, device and system |
| CN106537325A (en) * | 2014-06-24 | 2017-03-22 | 谷歌公司 | Controlling brightness of a remote display |
| CN106710536A (en) * | 2017-03-10 | 2017-05-24 | 广东欧珀移动通信有限公司 | Method and device for adjusting luminance of display screen as well as terminal |
| CN110689949A (en) * | 2019-10-12 | 2020-01-14 | 奥斯泰科技(深圳)有限公司 | Method and system for recording radiation environment brightness |
| CN112908272A (en) * | 2021-01-22 | 2021-06-04 | 中汽创智科技有限公司 | Display screen brightness adjusting method and device and display screen |
| CN113596363A (en) * | 2020-04-30 | 2021-11-02 | 惠州视维新技术有限公司 | Method for automatically adjusting brightness of television and television |
| CN114486184A (en) * | 2021-12-27 | 2022-05-13 | 巴可(苏州)医疗科技有限公司 | Method for stably monitoring brightness of medical display for long time |
| CN118038834A (en) * | 2024-04-11 | 2024-05-14 | 深圳市善之能科技有限公司 | Energy-saving adjustment method and system based on use condition of display screen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| CN101847380A (en) * | 2009-03-27 | 2010-09-29 | 比亚迪股份有限公司 | Liquid crystal display device for automatically adjusting luminance and display method thereof |
-
2013
- 2013-09-24 CN CN201310438465.0A patent/CN103474036B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145332A (en) * | 2006-09-14 | 2008-03-19 | 英华达（上海）科技有限公司 | Screen brightness regulating device and method for regulating electronic device screen brightness |
| CN101847380A (en) * | 2009-03-27 | 2010-09-29 | 比亚迪股份有限公司 | Liquid crystal display device for automatically adjusting luminance and display method thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902209A (en) * | 2014-03-05 | 2015-09-09 | 上海华虹集成电路有限责任公司 | Data transmission system between CBUS and MCU |
| CN106537325A (en) * | 2014-06-24 | 2017-03-22 | 谷歌公司 | Controlling brightness of a remote display |
| CN105898542A (en) * | 2015-12-08 | 2016-08-24 | 乐视移动智能信息技术（北京）有限公司 | Display screen brightness adjustment and data transmission method, device and system |
| CN105609059A (en) * | 2016-02-26 | 2016-05-25 | 苏州佳世达电通有限公司 | Photosensitive display system and operation method of photosensitive display system |
| CN105609059B (en) * | 2016-02-26 | 2019-01-18 | 苏州佳世达电通有限公司 | The method of photosensitive display system and operation sense light display system |
| CN106710536A (en) * | 2017-03-10 | 2017-05-24 | 广东欧珀移动通信有限公司 | Method and device for adjusting luminance of display screen as well as terminal |
| CN110689949A (en) * | 2019-10-12 | 2020-01-14 | 奥斯泰科技(深圳)有限公司 | Method and system for recording radiation environment brightness |
| CN113596363A (en) * | 2020-04-30 | 2021-11-02 | 惠州视维新技术有限公司 | Method for automatically adjusting brightness of television and television |
| CN112908272A (en) * | 2021-01-22 | 2021-06-04 | 中汽创智科技有限公司 | Display screen brightness adjusting method and device and display screen |
| CN114486184A (en) * | 2021-12-27 | 2022-05-13 | 巴可(苏州)医疗科技有限公司 | Method for stably monitoring brightness of medical display for long time |
| CN114486184B (en) * | 2021-12-27 | 2023-03-10 | 巴可(苏州)医疗科技有限公司 | Method for stably monitoring brightness of medical display for long time |
| CN118038834A (en) * | 2024-04-11 | 2024-05-14 | 深圳市善之能科技有限公司 | Energy-saving adjustment method and system based on use condition of display screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103474036B (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103474036B (en) | Display brightness control method, system | |
| EP3454564B1 (en) | Method for achieving television theater mode, device, equipment and storage medium | |
| TWI393114B (en) | Mehtod for gradually adjusting screen brightness when switching operating system | |
| US9696181B2 (en) | Display device, energy display method and computer program | |
| TWI597664B (en) | Control module of multimedia device and method of controlling multimedia device to generate image data required by display module | |
| CN111899680B (en) | Display device and setting method thereof | |
| CN103399661A (en) | Method and device for adjusting luminance of touch display screen | |
| US8537102B2 (en) | Backlight control apparatus and control method thereof | |
| US20110310071A1 (en) | Energy efficient display system | |
| CN104820472A (en) | A mobile terminal | |
| CN103186323A (en) | Integrated computer and touch menu callout method of same | |
| US11402260B2 (en) | Method for adjusting openable angle of display screens and multi-screen terminal | |
| US20190313050A1 (en) | Display device auto brightness adjustment controlled by a source device | |
| US8605043B2 (en) | Touch display system and control method thereof | |
| CN108984145B (en) | Brightness adjusting method and electronic equipment | |
| CN102663985B (en) | Contrast and brightness linkage adjustment method and device | |
| CN104284115A (en) | Quick starting method for liquid crystal television | |
| WO2017020545A1 (en) | Method for adjusting backlight brightness of television set and box for adjusting backlight brightness of television set | |
| CN104636177A (en) | Terminal and method for terminal to control background projection | |
| CN112969088A (en) | Screen projection control method and device, electronic equipment and readable storage medium | |
| KR20150091904A (en) | Calibration device, display system and control method thereof | |
| CN102413227A (en) | Mobile phone, display method of mobile phone and system thereof | |
| CN110851107A (en) | Control method of electronic equipment and electronic equipment | |
| CN201726462U (en) | Set-top box with light sensing system | |
| US11265593B2 (en) | Display device, hardware dongle capable of coupling to the display device, and method for controlling the display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |