CN104469022A - Backlight lamp regulation method and system and handheld terminal - Google Patents
Backlight lamp regulation method and system and handheld terminal Download PDFInfo
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- CN104469022A CN104469022A CN201410723201.4A CN201410723201A CN104469022A CN 104469022 A CN104469022 A CN 104469022A CN 201410723201 A CN201410723201 A CN 201410723201A CN 104469022 A CN104469022 A CN 104469022A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a backlight lamp regulation method. The method includes the steps of judging whether the environment light intensity value changes or not according to a preset time period, regulating a backlight lamp through the light adaptive brightness control (LABC) technology if the environment light intensity value changes, and regulating the backlight lamp through the content adaptive brightness control (CABC) technology if the environment light intensity value does not change. Thus, the energy conservation effect of the device is enhanced while people conveniently use the device.
Description
Technical field
The application relates to backlight regulation technology field, more particularly, relates to a kind of backlight control method, system and handheld terminal.
Background technology
Screen backlight dynamic adjustments is the very ripe technology of smart mobile phone one, there are in the industry two kinds of technology at present, be respectively surround lighting detecting and adapt to backlight control (Light Adaptive Brightness Control, and content-adaptive backlight technology (Content Adaptive Brightness Control, CABC) LABC).
That the L of LABC refers to is exactly luminance sensor (Light Sensor), and the eyes of the mankind are quite responsive for surround lighting, and surround lighting is partially bright, and pupil contraction reduces and enters amphiblestroid brightness; Contrary, if surround lighting is partially dark, the brightness that pupil amplification increase retina is experienced allows the mankind differentiate object.Therefore, when under the daytime large sun, because external light is very bright, pupil contraction, mobile phone backlight must maintain the brightness display of 100% to allow eyes distinguish.But arrived shade or dark place, because external environment light source reduces, pupil amplifies, as long as mobile phone backlight maintains 70% brightness display eyes namely experience identical display effect.Thus, the backlight power consumption of 30% is saved.
The C of CABC refers to content (Content).His concept is a newly-increased content analyser circuit (Image Content Analyzer) in LCD drive IC, suppose to transfer pictures data to drive IC when cell phone processor, content analyser can calculate and automatically its gray-scale intensity be improved 30% (now picture brightens) according to setting and algorithm after adding up the data of picture, then by backlight illumination reduction by 30% (now picture is dimmed).Because we are in advance by picture device circuit compensation brightness by analysis, therefore user can obtain the display effect very nearly the same with original circuit, but decreases the backlight power consumption of 30%.
See, such scheme, under described LABC user is in outdoor situations for a long time, utilance is higher, and CABC is under stable environment light, and during playing animation, utilance is high, and both respectively have quality.
Therefore, the advantage how integrating both becomes one of those skilled in the art's technical problem urgently to be resolved hurrily with the backlight dynamic adjustment technique providing a kind of energy-efficient performance higher.
Summary of the invention
In view of this, the application provides a kind of backlight control method, system and handheld terminal, for regulating the brightness of backlight, improves energy-saving efficiency.
To achieve these goals, the existing scheme proposed is as follows:
A kind of backlight control method, comprising:
Judge whether surround lighting intensity values changes according to preset time period, if changed, adopt surround lighting detecting to adapt to backlight control techniques LABC and backlight is regulated, if unchanged, adopt content-adaptive backlight technology CABC to regulate backlight.
Preferably, in above-mentioned backlight control method, judge whether surround lighting intensity values changes, and comprising according to preset time period:
Detect according to preset time period and store current environment light intensity value;
Whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if so, then show that environmental light intensity changes, otherwise environmental light intensity is unchanged.
Preferably, in above-mentioned backlight control method, if described unchanged after, adopt before content-adaptive backlight technology CABC regulates backlight, also comprise:
Judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if so, adopt surround lighting detecting to adapt to backlight control techniques LABC and backlight is regulated, otherwise continue to perform.
Preferably, in above-mentioned backlight control method, can also comprise:
Obtain the manual adjustments backlight instruction of user's input;
Stop adopting surround lighting detecting to adapt to backlight control techniques LABC and content-adaptive backlight technology CABC to regulate backlight;
Manual adjustments backlight instruction according to user's input controls backlight.
Preferably, in above-mentioned backlight control method, the instruction of described manual adjustments backlight comprises:
First to the regulating command of N backlight, described N be not less than 2 positive integer, wherein said first to a kind of backlight display brightness of N backlight regulating command one_to_one corresponding.
Preferably, in above-mentioned backlight control method, the instruction of described manual adjustments backlight comprises:
Increase brightness of backlight instruction and reduce brightness of backlight instruction;
The described manual adjustments backlight instruction according to user's input controls backlight, comprising:
When the instruction of described manual adjustments backlight is for increasing brightness of backlight instruction, increase the brightness of backlight; When the instruction of described manual adjustments backlight is for reducing brightness of backlight instruction, reduce the brightness of backlight.
A kind of backlight regulating system, comprising:
The LABC backlight regulating circuit be connected with backlight lamp control circuit and CABC backlight regulating circuit;
The selector be connected with CABC backlight regulating circuit with described LABC backlight regulating circuit, described selector is used for, judge whether surround lighting intensity values changes according to preset time period, if changed, export the control signal for starting LABC backlight regulating circuit, if unchanged, export the control signal for starting CABC backlight regulating circuit.
Preferably, in above-mentioned backlight regulating system, described selector is for obtaining according to preset time period and store current environment light intensity value, whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise, export the selector of the control signal for starting CABC backlight regulating circuit.
Preferably, in above-mentioned backlight regulating system, also comprise:
The sub-selector be connected with described selector, for when get that described selector exports for start CABC backlight regulating circuit control signal after, judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise again export the control signal for starting CABC backlight regulating circuit.
A kind of handheld terminal, comprises backlight regulating system disclosed in above-mentioned any one.
As can be seen from above-mentioned technical scheme, backlight control method disclosed in the present application, different by the environment residing for the equipment according to application the method, the different brightness of backlight regulation technology to backlight is adopted to regulate, thus while being user-friendly to this equipment, in turn enhance the energy-saving effect of equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The flow chart of Fig. 1 a kind of backlight control method disclosed in the embodiment of the present application;
The flow chart of Fig. 2 backlight control method disclosed in another embodiment of the application;
The method flow diagram of Fig. 3 manual adjustments brightness of backlight disclosed in the embodiment of the present application;
The structure chart of Fig. 4 a kind of backlight regulating system disclosed in the embodiment of the present application.
Embodiment
Be directed in prior art, in described prior art, the problem that described LABC and content-adaptive backlight technology CABC can only apply specific occasion and cause energy-saving effect still undesirable, this application discloses the backlight control method of LABC described in a kind of integrated application and content-adaptive backlight technology CABC, system and handheld terminal.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of Fig. 1 backlight control method disclosed in the embodiment of the present application.
See Fig. 1, disclosed in the present embodiment, backlight control method comprises:
Step S101: obtain surround lighting intensity values according to preset time period;
Step S102: judge whether described surround lighting intensity values changes, if so, performs step S103, otherwise performs step S104;
Step S103: adopt surround lighting detecting to adapt to backlight control techniques LABC and backlight is regulated;
Step S104: adopt content-adaptive backlight technology CABC to regulate backlight.
When disclosed in application the above embodiments of the present application, method regulates backlight, photosensitive sensors is adopted to obtain the light intensity value of external environment condition according to preset time period, and judge whether the light intensity value of external environment condition changes, if, show that user is among the environment of surround lighting intensity values instability, such as, the change that the surround lighting intensity values residing for this equipment that the equipment applying the method causes when outdoor is moved occurs, now, conveniently user uses this equipment, surround lighting need be adopted to detect adaptation backlight control techniques LABC regulate backlight, otherwise, show that this equipment is in a stable environment light intensity value, such as indoor environment, content-adaptive backlight technology CABC is now adopted to regulate backlight.In technical scheme disclosed in visible the application's said method, the environment residing for equipment according to application the method is different, adopt the different brightness of backlight regulation technology to backlight to regulate, thus while being user-friendly to this equipment, in turn enhance the energy-saving effect of equipment.
Be understandable that, in method disclosed in the above embodiments of the present application, the detailed process when the surround lighting intensity values obtained according to preset time period judges whether described surround lighting intensity values changes can comprise:
Detect according to preset time period and store current environment light intensity value;
Whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if so, then show that environmental light intensity changes, otherwise environmental light intensity is unchanged.
Be understandable that, disclosed in any embodiment of the application, described preset time period is an adjustable value, and user can detect the preset time period of frequency according to the demand different set difference of self.
Be understandable that, technology people consider if user be in for a long time one stable and have under the environment compared with high ambient light intensity values time, such as user is when outdoor queuing, or be in for a long time one stable and have under the environment compared with low ambient light intensity values time, when such as, still needing the equipment continuing operational applications the method after turning off the light night, if the technical scheme provided according to said method regulates backlight, when being in stable high ambient light intensity values, user can cannot obtain picture clearly by this equipment, when being in stable low ambient light intensity values, the picture that described equipment can be made to produce is too dazzling, do not utilize user physically and mentally healthy.Therefore, in method disclosed in the above embodiments of the present application, see Fig. 2, also comprise between described step S104 and described step S102:
Step S105: judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if so, performs step S103, otherwise performs step S104;
Wherein, be greater than the second preset value as long as meet or be less than any one condition in the 3rd preset value, the judged result of described step S105 is and is, when current environment light intensity value is greater than the second preset value, under proving that user is being in the environment of stable high light intensity, when described current environment light intensity value is less than the 3rd preset value, under showing that user is in stable low light intensity environment;
Be understandable that, consider that the demand of user is different, if the brightness of backlight that described LABC and content-adaptive backlight technology CABC adjusts can not be met consumers' demand, on the basis of above-described embodiment, the application is also provided with a kind of user and adopts manual adjustments mode to arrange the method for backlight luminance, see Fig. 3, the method comprises:
Step S201: the manual adjustments backlight instruction obtaining user's input;
Step S202: stop adopting surround lighting detecting to adapt to backlight control techniques LABC and content-adaptive backlight technology CABC and backlight is regulated;
Step S203: the manual adjustments backlight instruction according to user's input controls backlight.
Be understandable that, in method disclosed in the above embodiments of the present application, can by inputting different selection signals, select to adopt the instruction of manual adjustments backlight to carry out regulating or adopt the technical scheme that disclosed in above-described embodiment, LABC combines with content-adaptive backlight technology CABC to regulate backlight to backlight, such as, when getting automatic regulating command, the technical scheme that disclosed in application above-described embodiment, LABC combines with content-adaptive backlight technology CABC is adopted to regulate backlight, when the manual adjustments backlight instruction got, according to the instruction of manual adjustments backlight, backlight is controlled.
Be understandable that, when user adopts manual setting means the instruction of described manual adjustments backlight can be set to N number of gear, namely, the instruction of described manual adjustments backlight comprises first to the regulating command of N backlight, described N be not less than 2 positive integer, wherein said first to N backlight regulating command a kind of backlight display brightness of one_to_one corresponding respectively, such as the first backlight regulating command is for controlling the luminance state that backlight is operated in 20%, second backlight regulating command controls to be operated at backlight the luminance state of 100% for N backlight regulating command described in the operating state that controls backlight and be operated in 30%.
Be understandable that, in order to realize user when manual adjustments during brightness of backlight, can regulate and obtain meticulousr brightness of backlight value, the instruction of described manual adjustments backlight comprises: increase brightness of backlight instruction and reduce brightness of backlight instruction;
When the described manual adjustments backlight instruction that user gets is for increasing brightness of backlight instruction, increase continuously the brightness of backlight; When the described manual adjustments backlight instruction that user gets is for reducing brightness of backlight instruction, reducing the brightness of backlight continuously, when making manual adjustments brightness of backlight, realizing without pole-change.
Be understandable that, corresponding to backlight control method disclosed in the above embodiments of the present application, disclosed herein as well is a kind of backlight regulating system, wherein, disclosed in said method and the application's system embodiment, technical characteristic can be used for reference mutually, see Fig. 4, described backlight regulating system, comprising:
The LABC backlight regulating circuit 2 be connected with backlight lamp control circuit 1 and CABC backlight regulating circuit 3;
The selector 4 be connected with CABC backlight regulating circuit 3 with described LABC backlight regulating circuit 2, described selector 4 for, judge whether surround lighting intensity values changes according to preset time period, if changed, export the control signal for starting LABC backlight regulating circuit, if unchanged, export the control signal for starting CABC backlight regulating circuit.
Be understandable that, described selector, when obtaining described surround lighting intensity values, gathers environmental light intensity information by the photosensitive sensors in described LABC backlight regulating circuit and obtains.
Be understandable that, corresponding with technical scheme disclosed in said method embodiment, the course of work of described selector specifically can comprise foundation preset time period and obtains and store current environment light intensity value, whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise, export the control signal for starting CABC backlight regulating circuit.
Be understandable that, corresponding with method disclosed in the above embodiments of the present application, backlight regulating system disclosed in the present application can also comprise:
The sub-selector be connected with described selector, for when get that described selector exports for start CABC backlight regulating circuit control signal after, judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise again export the control signal for starting CABC backlight regulating circuit.
Be understandable that, corresponding with said method, in backlight regulating system disclosed in the above embodiments of the present application, can also comprise:
Processor, for obtaining the manual adjustments backlight instruction of user's input, stop LABC and CABC backlight regulating circuit to regulate backlight, the manual adjustments backlight instruction according to user's input controls backlight.
Wherein, the manual adjustments backlight instruction that described processor obtains can comprise first to the regulating command of N backlight, described N be not less than 2 positive integer, wherein said first to a kind of backlight display brightness of N backlight regulating command one_to_one corresponding.
The manual adjustments backlight instruction that certain described processor obtains also can comprise: increase brightness of backlight instruction and reduce brightness of backlight instruction, when the instruction of described manual adjustments backlight is for increasing brightness of backlight instruction, increases the brightness of backlight; When the instruction of described manual adjustments backlight is for reducing brightness of backlight instruction, reduce the brightness of backlight.
Be understandable that, corresponding with described backlight regulating system, disclosed herein as well is a kind of handheld terminal applying backlight regulating system disclosed in the above-mentioned any embodiment of the application, wherein, described handheld terminal can be PSP, mobile phone, PID etc.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a backlight control method, is characterized in that, comprising:
Judge whether surround lighting intensity values changes according to preset time period, if changed, adopt surround lighting detecting to adapt to backlight control techniques LABC and backlight is regulated, if unchanged, adopt content-adaptive backlight technology CABC to regulate backlight.
2. according to the backlight control method in claim 1, it is characterized in that, judge whether surround lighting intensity values changes, and comprising according to preset time period:
Detect according to preset time period and store current environment light intensity value;
Whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if so, then show that environmental light intensity changes, otherwise environmental light intensity is unchanged.
3., according to the backlight control method in claim 1, it is characterized in that, if described unchanged after, adopt before content-adaptive backlight technology CABC regulates backlight, also comprise:
Judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if so, adopt surround lighting detecting to adapt to backlight control techniques LABC and backlight is regulated, continue to perform.
4. backlight control method according to claim 1, is characterized in that, also comprise:
Obtain the manual adjustments backlight instruction of user's input;
Stop adopting surround lighting detecting to adapt to backlight control techniques LABC and content-adaptive backlight technology CABC to regulate backlight;
Manual adjustments backlight instruction according to user's input controls backlight.
5. backlight control method according to claim 4, is characterized in that, the instruction of described manual adjustments backlight comprises:
First to the regulating command of N backlight, described N be not less than 2 positive integer, wherein said first to a kind of backlight display brightness of N backlight regulating command one_to_one corresponding.
6. backlight control method according to claim 4, is characterized in that, the instruction of described manual adjustments backlight comprises:
Increase brightness of backlight instruction and reduce brightness of backlight instruction;
The described manual adjustments backlight instruction according to user's input controls backlight, comprising:
When the instruction of described manual adjustments backlight is for increasing brightness of backlight instruction, increase the brightness of backlight; When the instruction of described manual adjustments backlight is for reducing brightness of backlight instruction, reduce the brightness of backlight.
7. a backlight regulating system, is characterized in that, comprising:
The LABC backlight regulating circuit be connected with backlight lamp control circuit and CABC backlight regulating circuit;
The selector be connected with CABC backlight regulating circuit with described LABC backlight regulating circuit, described selector is used for, judge whether surround lighting intensity values changes according to preset time period, if changed, export the control signal for starting LABC backlight regulating circuit, if unchanged, export the control signal for starting CABC backlight regulating circuit.
8. backlight regulating system according to claim 7, it is characterized in that, described selector is for obtaining according to preset time period and store current environment light intensity value, whether the difference of the surround lighting intensity values judging the surround lighting intensity values that current period detects and detected in the upper cycle is greater than the first preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise, export the selector of the control signal for starting CABC backlight regulating circuit.
9. backlight regulating system according to claim 7, is characterized in that, also comprise:
The sub-selector be connected with described selector, for when get that described selector exports for start CABC backlight regulating circuit control signal after, judge whether current environment light intensity value is greater than the second preset value or is less than the 3rd preset value, if, export the control signal for starting LABC backlight regulating circuit, otherwise again export the control signal for starting CABC backlight regulating circuit.
10. a handheld terminal, is characterized in that, comprising: backlight regulating system disclosed in claim 7-9 any one.
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| CN201410723201.4A CN104469022B (en) | 2014-12-03 | 2014-12-03 | A kind of backlight adjusting method, system and handheld terminal |
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| CN201410723201.4A CN104469022B (en) | 2014-12-03 | 2014-12-03 | A kind of backlight adjusting method, system and handheld terminal |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795054A (en) * | 2015-05-13 | 2015-07-22 | 上海斐讯数据通信技术有限公司 | System and method for adjusting brightness automatically |
| CN105577935A (en) * | 2016-01-04 | 2016-05-11 | 广东欧珀移动通信有限公司 | Screen brightness regulating method and apparatus |
| CN106775549A (en) * | 2016-12-14 | 2017-05-31 | 维沃移动通信有限公司 | A kind of CABC module control methods and electronic equipment |
| CN106817753A (en) * | 2017-03-10 | 2017-06-09 | 广东欧珀移动通信有限公司 | A kind of background GTG that switches carries out method, device and the mobile terminal of power saving |
| CN106875922A (en) * | 2017-03-17 | 2017-06-20 | 深圳Tcl数字技术有限公司 | Display terminal display brightness method of adjustment and device |
| CN106937371A (en) * | 2017-03-10 | 2017-07-07 | 广东欧珀移动通信有限公司 | A kind of background GTG that switches carries out method, device and the mobile terminal of power saving |
| WO2017202076A1 (en) * | 2016-05-24 | 2017-11-30 | 华为技术有限公司 | Terminal management method and device |
| WO2018133324A1 (en) * | 2017-01-22 | 2018-07-26 | 中兴通讯股份有限公司 | Backlight brightness adjusting method and device, and terminal |
| CN109523977A (en) * | 2018-12-10 | 2019-03-26 | 惠州Tcl移动通信有限公司 | Backlight adjusting method, device, mobile terminal and storage medium |
| CN111292690A (en) * | 2018-12-07 | 2020-06-16 | 北京小米移动软件有限公司 | Screen backlight brightness adjusting method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650921A (en) * | 2009-09-17 | 2010-02-17 | 青岛海信电器股份有限公司 | Method and device of controlling dynamic backlight |
| CN101858783A (en) * | 2010-06-23 | 2010-10-13 | 华为终端有限公司 | Reading prompt method in electronic reading terminal and electronic reading terminal |
| CN102355536A (en) * | 2011-09-26 | 2012-02-15 | 惠州Tcl移动通信有限公司 | Electricity saving method and system for mobile terminal display screen |
| CN102946494A (en) * | 2012-11-27 | 2013-02-27 | 广东欧珀移动通信有限公司 | Mobile terminal and method for automatically adjusting backlight brightness |
| CN103050108A (en) * | 2012-12-17 | 2013-04-17 | 华为终端有限公司 | Screen backlight dynamic adjustment method and user terminal |
| CN103616995A (en) * | 2013-11-26 | 2014-03-05 | 广东欧珀移动通信有限公司 | Switching method and system of mobile terminal screen backlight regulating modes |
-
2014
- 2014-12-03 CN CN201410723201.4A patent/CN104469022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650921A (en) * | 2009-09-17 | 2010-02-17 | 青岛海信电器股份有限公司 | Method and device of controlling dynamic backlight |
| CN101858783A (en) * | 2010-06-23 | 2010-10-13 | 华为终端有限公司 | Reading prompt method in electronic reading terminal and electronic reading terminal |
| CN102355536A (en) * | 2011-09-26 | 2012-02-15 | 惠州Tcl移动通信有限公司 | Electricity saving method and system for mobile terminal display screen |
| CN102946494A (en) * | 2012-11-27 | 2013-02-27 | 广东欧珀移动通信有限公司 | Mobile terminal and method for automatically adjusting backlight brightness |
| CN103050108A (en) * | 2012-12-17 | 2013-04-17 | 华为终端有限公司 | Screen backlight dynamic adjustment method and user terminal |
| CN103616995A (en) * | 2013-11-26 | 2014-03-05 | 广东欧珀移动通信有限公司 | Switching method and system of mobile terminal screen backlight regulating modes |
Non-Patent Citations (1)
| Title |
|---|
| 黄仁甫、钱金维: "中小尺寸LCD驱动IC的背光省电技术-LABC/CABC", 《现代显示》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795054A (en) * | 2015-05-13 | 2015-07-22 | 上海斐讯数据通信技术有限公司 | System and method for adjusting brightness automatically |
| CN105577935B (en) * | 2016-01-04 | 2019-07-23 | Oppo广东移动通信有限公司 | Screen luminance adjustment method and device |
| CN105577935A (en) * | 2016-01-04 | 2016-05-11 | 广东欧珀移动通信有限公司 | Screen brightness regulating method and apparatus |
| CN107426802B (en) * | 2016-05-24 | 2020-06-26 | 华为终端有限公司 | Terminal management method and device |
| US10674452B2 (en) | 2016-05-24 | 2020-06-02 | Huawei Technologies Co., Ltd. | Terminal management method and apparatus |
| US10440653B2 (en) | 2016-05-24 | 2019-10-08 | Huawei Technologies Co., Ltd. | Terminal management method and apparatus |
| WO2017202076A1 (en) * | 2016-05-24 | 2017-11-30 | 华为技术有限公司 | Terminal management method and device |
| CN107426802A (en) * | 2016-05-24 | 2017-12-01 | 华为终端（东莞）有限公司 | A kind of terminal management method and device |
| CN106775549A (en) * | 2016-12-14 | 2017-05-31 | 维沃移动通信有限公司 | A kind of CABC module control methods and electronic equipment |
| CN106775549B (en) * | 2016-12-14 | 2019-03-26 | 维沃移动通信有限公司 | A kind of CABC module control method and electronic equipment |
| WO2018133324A1 (en) * | 2017-01-22 | 2018-07-26 | 中兴通讯股份有限公司 | Backlight brightness adjusting method and device, and terminal |
| CN106937371A (en) * | 2017-03-10 | 2017-07-07 | 广东欧珀移动通信有限公司 | A kind of background GTG that switches carries out method, device and the mobile terminal of power saving |
| CN106937371B (en) * | 2017-03-10 | 2020-05-12 | Oppo广东移动通信有限公司 | Method and device for saving electricity by switching background gray scales and mobile terminal |
| CN106817753A (en) * | 2017-03-10 | 2017-06-09 | 广东欧珀移动通信有限公司 | A kind of background GTG that switches carries out method, device and the mobile terminal of power saving |
| CN106875922A (en) * | 2017-03-17 | 2017-06-20 | 深圳Tcl数字技术有限公司 | Display terminal display brightness method of adjustment and device |
| CN106875922B (en) * | 2017-03-17 | 2021-03-30 | 深圳Tcl数字技术有限公司 | Display brightness adjusting method and device for display terminal |
| CN111292690A (en) * | 2018-12-07 | 2020-06-16 | 北京小米移动软件有限公司 | Screen backlight brightness adjusting method and device |
| CN111292690B (en) * | 2018-12-07 | 2021-06-29 | 北京小米移动软件有限公司 | Screen backlight brightness adjusting method and device |
| CN109523977A (en) * | 2018-12-10 | 2019-03-26 | 惠州Tcl移动通信有限公司 | Backlight adjusting method, device, mobile terminal and storage medium |
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Application publication date: 20150325 Assignee: Beijing Yuanxin Junsheng Technology Co.,Ltd. Assignor: Yuanxin Information Technology Group Co.,Ltd. Contract record no.: X2021110000018 Denomination of invention: The invention relates to a backlight adjusting method, a system and a handheld terminal Granted publication date: 20170825 License type: Common License Record date: 20210531 |