CN102682716A - Method and device for regulating screen brightness and electronic device - Google Patents
Method and device for regulating screen brightness and electronic device Download PDFInfo
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- CN102682716A CN102682716A CN2012101329229A CN201210132922A CN102682716A CN 102682716 A CN102682716 A CN 102682716A CN 2012101329229 A CN2012101329229 A CN 2012101329229A CN 201210132922 A CN201210132922 A CN 201210132922A CN 102682716 A CN102682716 A CN 102682716A
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Abstract
The invention provides a method for regulating screen brightness. The method includes the steps that a light collecting unit collects ambient light intensity and outputs voltage signals at intervals according to the light intensity; a core processing unit receives consistent voltage signals continuously, obtains a voltage value corresponding to current screen brightness according to a corresponding relation of the screen brightness stored by a storage unit with voltage values and the current screen brightness, compares the voltage signals with the voltage value, and controls a screen managing unit to increase or reduce the screen brightness if the signals are larger or smaller than the voltage value; and the first step is repeated from. According to the method for regulating the screen brightness, the screen brightness can be regulated according to the light intensity of the environment, suitable brightness can be guaranteed when a user is watching the screen, good definition of the screen is provided, watching requirements are satisfied, large amount of electric energy can be saved simultaneously, and the method is applicable to electronic devices, particularly mobile electronic devices.
Description
Technical field
The invention belongs to electronic equipment and show the field, be specifically related to a kind of screen intensity Automatic adjustment method and device.
Background technology
Display screen is that certain e-file is shown to a kind of show tools that reflexes to human eye on the screen again through specific transmission equipment.Along with the broad development of electronic equipment, increasing display is employed, and LCD has occupied wherein a large amount of shares with its thin characteristics.
Receive the influence of environment during liquid crystal display through regular meeting; Especially in the sun the time, screen is difficult to see clearly content displayed, and some electronic equipment is in order to overcome these problems; Can be provided with the function that screen intensity is regulated; But this function can only be manually to regulate in advance or when environmental change, regulate according to the visual experience needs, and such mode often makes the brightness regulation of screen lag behind, and can't satisfy user's requirement; If be provided with the waste that the screen higher brightness not only can cause electric power in advance, but also can make the easier generation of eyes tired.
In order to change this situation; The patent No. is the method that the Chinese invention patent of ZL200510029194.9 provides a kind of improving LCD display screen display effect in sun for mobile devices; This method mainly be through on mobile device, be provided with a specific keys carry out certain hour by touching, reach the function that strengthens the brightness of LCD display bias light, reach the purpose of screen intensity more; Again the vice-minister by after can make recovery backlight normal, save power.The advantage of this method has been to solve the problem of sunlight sub-screen luminance shortage, but the adjustable brightness of this mode screen joint property is little, can only be to lighten and recover normally still can't adapt to changeable environment, can't satisfy user's demand.
Summary of the invention
In order to solve the problem that exists in the prior art, the invention provides a kind of screen intensity control method and regulating device, can regulate the brightness of screen automatically according to the variation of environment, to achieve these goals, the present invention adopts following technical scheme:
A kind of screen intensity control method may further comprise the steps:
A, light collection unit gather ambient light intensity and according to said light intensity compartment of terrain output voltage signal;
B, nuclear processing unit are received consistent said voltage signal continuously;
C, said nuclear processing unit draw current screen brightness corresponding voltage value according to the screen intensity of cell stores and the corresponding relation and the current screen intensity of magnitude of voltage;
D, said nuclear processing unit are compared said voltage signal with magnitude of voltage, if be greater than or less than said magnitude of voltage, then examine processing unit control screen administrative unit and heighten or reduce screen intensity;
E, return step a.
Further, among the said step a, said light collection unit interval 0.5-3s output primary voltage signal.
Further, execution in step c behind the continuous said voltage signal of receiving unanimity for 3-5 time of the processing unit of nuclear described in the said step b.
Further, the magnitude of voltage of 3-7 screen intensity of storage in the said storage unit.
The corresponding arbitrary said magnitude of voltage of the screen intensity of storing in the said storage unit further, is continuous voltage range.
Further, the said voltage signal correspondence that said nuclear processing unit is received continuously is in the voltage range of arbitrary said magnitude of voltage, and then said nuclear processing unit is received consistent said voltage signal continuously.
Further, said steps d also comprises the difference of calculating said voltage signal and said magnitude of voltage, draws the corresponding brightness of screen according to said difference, and said nuclear processing unit is controlled said screen management unit and regulated the brightness that said screen arrives said correspondence.
The present invention also provides a kind of screen brightness regulating device, comprising: light collection unit, storage unit, nuclear processing unit, screen management unit; Said light collection unit is gathered ambient light intensity and is converted voltage signal output into; Said cell stores screen intensity corresponding voltage value, the corresponding ambient light intensity of said screen intensity; Said nuclear processing unit receives said voltage signal and compares with said magnitude of voltage, sends instruction according to comparative result to said screen management unit; Said screen management unit is according to said screen management unit instruction adjusting screen intensity.
A kind of electronic equipment also is provided, has comprised screen, also aforesaid screen brightness regulating device.
A kind of electronic equipment uses aforementioned screen intensity control method to regulate screen intensity.
Further, said electronic equipment comprises PDA, PAD, mobile multimedia player, CMMB terminal, mobile phone, notebook, electric paper book, digital photo frame, digital camera, DV, liquid crystal display electron table.
Screen intensity control method of the present invention can be regulated the brightness of screen according to the light intensity of environment; Guarantee that the user has suitable brightness when watching screen; Make screen have good sharpness, satisfy the requirement of watching, can practice thrift a large amount of electric energy simultaneously; The balance electric energy expends the demand with screen intensity, suits on the electronic equipment that electronic equipment especially moves, to use.
Description of drawings
Fig. 1 is the process flow diagram of screen intensity control method one embodiment of the present invention;
Fig. 2 is the process flow diagram of a kind of embodiment of step 40 embodiment illustrated in fig. 1;
Fig. 3 is the module map of screen brightness regulating device of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done a step explanation.
Be the process flow diagram of screen intensity control method one embodiment of the present invention referring to shown in Figure 1, this flow process comprises:
Environmental light intensity is gathered in step 10, light collection unit, and output relevant voltage signal is in this step; After the ambient light strength information is gathered in the light collection unit, be voltage signal and, can set about interlude with the output at interval of this voltage signal with this light intensity information translation; Situation of change setting according to environment; Be generally 0.5-3s, if the very fast of environmental change also can be provided with the littler time interval, with the light intensity information that guarantees environment can be punctual feedback.
Referring to shown in Figure 2 be the module map of a kind of embodiment of step 40 in the screen intensity control method shown in Figure 1, this embodiment comprises: 401, nuclear processing unit voltage signal and magnitude of voltage are compared; 402 nuclear processing units are found out the corresponding screen intensity of voltage signal according to screen intensity and magnitude of voltage corresponding relation; 403, the nuclear processing unit sends instruction; 404, the screen management unit is regulated screen according to said instruction and is arrived corresponding brightness.When the ambient light Strength Changes is big, need the brightness of screen also to make corresponding adjustment, if just lighten simply or dim; Maybe not can satisfy the demands; Therefore, the nuclear processing unit is comparing the voltage signal of represent ambient light intensity with the screen intensity corresponding voltage value when inconsistent, examines the processing unit basis and is stored in screen intensity and the corresponding relation of magnitude of voltage in the storage unit; Draw the corresponding screen intensity of voltage signal of reception; The current environment sub-screen brightness that should have is just sent instruction to the screen management unit then, and the screen management unit is adjusted to the brightness that adapts to the current environment light intensity according to instruction.
Shown in Figure 3 for the module map of a kind of embodiment of screen brightness regulating device of the present invention; Screen brightness regulating device comprises light collection unit 1, storage unit 2, nuclear processing unit 3, screen management unit 4 among this embodiment; Light collection unit 1 is used to gather ambient light intensity and converts voltage signal output into, and light collection unit 1 can be photodiode, light sensation sensor etc.; Storage unit 2 comprises writable memory and ROM (read-only memory), storage screen intensity corresponding voltage value in the storage unit 2, and the corresponding relation of screen intensity and magnitude of voltage just, screen intensity wherein is meant the screen intensity of standard under the certain environment light intensity; Nuclear processing unit 3 can be independent MCU, also can be MCU, CPU etc. on the electronic equipment; Screen management unit 4 mainly is the brightness of control screen, also can further control screen picture displayed etc.
Can also comprise keyboard further, touch load module etc., the input through data is changed the screen intensity of storage in the storage unit 2 and the corresponding relation of magnitude of voltage etc.
Screen brightness regulating device of the present invention is applied on the electronic equipment that comprises screen; These electronic equipments include but not limited to PDA, PAD, mobile multimedia player, CMMB terminal, mobile phone, notebook, electric paper book, digital photo frame, digital camera, DV, liquid crystal display electron table etc.; These electronic equipments are regulated the brightness of screen according to screen intensity control method among the present invention, make the screen intensity that expends and satisfy the reading needs that electronic equipment can the balance electric energy.
Combine accompanying drawing that preferred embodiment of the present invention is described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. a screen intensity control method is characterized in that, may further comprise the steps:
A, light collection unit gather ambient light intensity and according to said light intensity compartment of terrain output voltage signal;
B, nuclear processing unit are received consistent said voltage signal continuously;
C, said nuclear processing unit draw current screen brightness corresponding voltage value according to the screen intensity of cell stores and the corresponding relation and the current screen intensity of magnitude of voltage;
D, said nuclear processing unit are compared said voltage signal with magnitude of voltage, if be greater than or less than said magnitude of voltage, then said nuclear processing unit control screen administrative unit is heightened or reduced screen intensity;
E, return step a.
2. screen intensity control method according to claim 1 is characterized in that, among the said step a, and said light collection unit interval 0.5-3s output primary voltage signal.
3. screen intensity control method according to claim 1 is characterized in that, the processing unit of nuclear described in the said step b is continuous receives execution in step c behind the said voltage signal of unanimity for 3-5 time.
4. according to each described screen intensity control method of claim 1-3, it is characterized in that the magnitude of voltage of 3-7 screen intensity of storage in the said storage unit.
5. screen intensity control method according to claim 4 is characterized in that, the corresponding arbitrary said magnitude of voltage of the screen intensity of storing in the said storage unit is continuous voltage range.
6. screen intensity control method according to claim 5; It is characterized in that; The said voltage signal correspondence that said nuclear processing unit is received continuously is in the voltage range of arbitrary said magnitude of voltage, and then said nuclear processing unit is received consistent said voltage signal continuously.
7. screen intensity control method according to claim 4; It is characterized in that; Said steps d also comprises the difference of calculating said voltage signal and said magnitude of voltage; Draw the corresponding brightness of screen according to said difference, said nuclear processing unit is controlled said screen management unit and is regulated the brightness that said screen arrives said correspondence.
8. a screen brightness regulating device is characterized in that, comprising: light collection unit, storage unit, nuclear processing unit, screen management unit; Said light collection unit is gathered ambient light intensity and is converted voltage signal output into; Said cell stores screen intensity corresponding voltage value, the corresponding ambient light intensity of said screen intensity; Said nuclear processing unit receives said voltage signal and compares with said magnitude of voltage, sends instruction according to comparative result to said screen management unit; Said screen management unit is according to said screen management unit instruction adjusting screen intensity.
9. an electronic equipment comprises screen, it is characterized in that, also comprises the described screen brightness regulating device of claim 8.
10. electronic equipment according to claim 9; It is characterized in that said electronic equipment comprises PDA, PAD, mobile multimedia player, CMMB terminal, mobile phone, notebook, electric paper book, digital photo frame, digital camera, DV, liquid crystal display electron table.
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| CN2012101329229A CN102682716A (en) | 2012-04-28 | 2012-04-28 | Method and device for regulating screen brightness and electronic device |
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| CN2012101329229A CN102682716A (en) | 2012-04-28 | 2012-04-28 | Method and device for regulating screen brightness and electronic device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606366A (en) * | 2013-11-08 | 2014-02-26 | 桂林机床电器有限公司 | Outdoor display screen brightness self adjusting method |
| CN104811545A (en) * | 2015-04-01 | 2015-07-29 | 深圳市艾优尼科技有限公司 | Terminal |
| CN104811544A (en) * | 2015-04-01 | 2015-07-29 | 深圳市艾优尼科技有限公司 | Screen brightness adjustment method |
| CN105405429A (en) * | 2015-12-11 | 2016-03-16 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system |
| CN105845099A (en) * | 2015-01-15 | 2016-08-10 | 深圳市科曼医疗设备有限公司 | Screen brightness display method and device |
| CN106128356A (en) * | 2016-08-23 | 2016-11-16 | 李小司 | A kind of brightness of display screen control circuit, control method and retractable door |
| CN106297729A (en) * | 2015-05-22 | 2017-01-04 | 联想(北京)有限公司 | The method and apparatus of regulation electronic equipment screen display brightness |
| CN107329345A (en) * | 2017-08-22 | 2017-11-07 | 苏州健雄职业技术学院 | A kind of flexible electrical paper book and its method of work for automatically adjusting light filling intensity |
| CN108597455A (en) * | 2018-03-28 | 2018-09-28 | 昆山龙腾光电有限公司 | Threshold value recording device, method and threshold value programming system and method |
| CN109920394A (en) * | 2019-04-29 | 2019-06-21 | 合肥惠科金扬科技有限公司 | A kind of adjusting method of screen intensity, regulating device and display equipment |
| CN112650407A (en) * | 2019-10-11 | 2021-04-13 | 北京小米移动软件有限公司 | Display screen and electronic equipment |
| CN112885311A (en) * | 2021-01-28 | 2021-06-01 | 惠州Tcl移动通信有限公司 | Display screen brightness control method and system, storage medium and terminal equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103606366A (en) * | 2013-11-08 | 2014-02-26 | 桂林机床电器有限公司 | Outdoor display screen brightness self adjusting method |
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| CN105845099A (en) * | 2015-01-15 | 2016-08-10 | 深圳市科曼医疗设备有限公司 | Screen brightness display method and device |
| CN104811545A (en) * | 2015-04-01 | 2015-07-29 | 深圳市艾优尼科技有限公司 | Terminal |
| CN104811544A (en) * | 2015-04-01 | 2015-07-29 | 深圳市艾优尼科技有限公司 | Screen brightness adjustment method |
| CN106297729A (en) * | 2015-05-22 | 2017-01-04 | 联想(北京)有限公司 | The method and apparatus of regulation electronic equipment screen display brightness |
| CN105405429A (en) * | 2015-12-11 | 2016-03-16 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal, ambient light dynamic induction control method, ambient light dynamic induction control system |
| CN105405429B (en) * | 2015-12-11 | 2019-03-26 | Tcl移动通信科技（宁波）有限公司 | A kind of mobile terminal and its environment photokinesis induction control method, system |
| CN106128356A (en) * | 2016-08-23 | 2016-11-16 | 李小司 | A kind of brightness of display screen control circuit, control method and retractable door |
| CN107329345A (en) * | 2017-08-22 | 2017-11-07 | 苏州健雄职业技术学院 | A kind of flexible electrical paper book and its method of work for automatically adjusting light filling intensity |
| CN108597455A (en) * | 2018-03-28 | 2018-09-28 | 昆山龙腾光电有限公司 | Threshold value recording device, method and threshold value programming system and method |
| CN109920394A (en) * | 2019-04-29 | 2019-06-21 | 合肥惠科金扬科技有限公司 | A kind of adjusting method of screen intensity, regulating device and display equipment |
| CN112650407A (en) * | 2019-10-11 | 2021-04-13 | 北京小米移动软件有限公司 | Display screen and electronic equipment |
| CN112885311A (en) * | 2021-01-28 | 2021-06-01 | 惠州Tcl移动通信有限公司 | Display screen brightness control method and system, storage medium and terminal equipment |
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