CN101145332A - Screen brightness regulating device and method for regulating electronic device screen brightness - Google Patents
Screen brightness regulating device and method for regulating electronic device screen brightness Download PDFInfo
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- CN101145332A CN101145332A CN 200610116066 CN200610116066A CN101145332A CN 101145332 A CN101145332 A CN 101145332A CN 200610116066 CN200610116066 CN 200610116066 CN 200610116066 A CN200610116066 A CN 200610116066A CN 101145332 A CN101145332 A CN 101145332A
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Abstract
The present invention discloses a screen brightness adjusting device applied to an electronic device. The screen brightness adjusting device comprises a flash memory, in which a prescribed brightness ratio, i.e. a prescribed brightness value ratio of the screen to the outside light, is stored; a screen brightness detection module used for detecting the present screen brightness of the electronic device; a light sensing module used for detecting the present brightness of the outside light; and a brightness comparing module, which is connected to the flash memory, the screen brightness detection module and the light sensing module and is used for calculating the present brightness value ratio of the screen to the outside light to obtain the present brightness ratio and compare with the present brightness ratio with the prescribed brightness ratio. If the present brightness ratio is larger than the prescribed brightness ratio, the comparison result is submitted to the electronic device. In addition, the present invention discloses a method for adjusting the screen brightness of the electronic device.
Description
Technical field
The method that the invention relates to a kind of screen brightness regulating device and regulate electronic device screen brightness, particularly have automatic detection light luminance, and can transfer to an electronic installation with the device of regulating electronic device screen brightness and the method for regulating electronic device screen brightness thereof about a kind of.
Background technology
Along with the generally use as electronic installations such as mobile computers, the portable electronic installation of this class has become indispensable important tool in life and work.Yet, for example, when using mobile computer, regular moving obviously is essential, but for the difference of place to use, the light luminance that external environment provided also can be different, for example office, laboratory, meeting room, product line etc., because these ambient lights are widely different, so when using mobile computer, must cooperate extraneous light luminance to reach the brightness of regulating mobile computer according to demands of individuals voluntarily.
In other words, if in bright office, brighter screen, user's eyes sensation can be more comfortable, but in case move to darker place, for example meeting room, same brightness will allow eyes very uncomfortable, and when being absorbed in work, just can not perceive such variation.At this moment, cross bright or dark excessively screen and just allow the eyes generation ache unconsciously, get off for a long time, can damage eyes.
Summary of the invention
The object of the present invention is to provide a kind of screen brightness regulating device, be external in an electronic installation, it comprises an illuminant module, by the illuminant module detection of light luminance to external world, the screen intensity of further regulating electronic installation.
Another object of the present invention is to provide a kind of method of regulating electronic device screen brightness, by the illuminant module detection of light luminance to external world, the screen intensity of further regulating electronic installation.
For reaching above-mentioned purpose, the invention provides a kind of screen brightness regulating device, be used for an electronic installation with screen, wherein, this screen brightness regulating device comprises a flash memory, is used to store a predetermined luminance ratio, and it is a screen intensity value of being scheduled to and the ratio of extraneous light brightness value; One screen intensity detection module is in order to the screen intensity of detection. electronics; One illuminant module is in order to detect extraneous light luminance; An and brightness comparing module, be connected in flash memory, screen intensity detection module and illuminant module, in order to calculate the ratio of the present extraneous light brightness value that present screen intensity value that the screen intensity detection module detected and illuminant module detected, obtaining a present brightness ratio, and present brightness ratio and predetermined luminance ratio are compared; Wherein, if brightness ratio is then notified electronic installation with comparison result greater than predetermined brightness value at present.
According to screen brightness regulating device of the present invention, wherein electronic installation is used for comparison result shows in screen.
According to screen brightness regulating device of the present invention, wherein electronic installation also comprises a screen intensity adjustment module, in order to regulate present screen intensity value, makes by the present screen intensity through regulating to be worth resulting present brightness ratio, equates with predetermined luminance ratio.
Again, the present invention provides a kind of brightness method of regulating screen in addition, comprises the following steps: at first, and with a flash memory stores one predetermined luminance ratio, it is a screen intensity value of being scheduled to and the ratio of extraneous light brightness value; Detect the screen intensity of present electronic installation with a screen intensity detection module; Transmit present screen intensity value to the brightness comparing module; Detect present extraneous light luminance with an illuminant module; Transmit present extraneous light brightness value to the brightness comparing module; Calculate the ratio of present screen intensity value and present extraneous light brightness value with the brightness comparing module, and judge that whether it is greater than predetermined luminance ratio; And, if then notify electronic installation with judged result.
According to the brightness method of adjusting screen of the present invention, wherein after notifying the step of electronic installation, comprise that also electronic installation is with the step of judgment result displays in screen with judged result.
Brightness method according to adjusting screen of the present invention, wherein after notifying the step of electronic installation with judged result, also comprise and regulate present screen intensity value, make the present screen intensity value and the ratio of present extraneous light brightness value, the step that equates with the ratio of extraneous light brightness value with the screen intensity value of being scheduled to through regulating.
A kind of screen brightness regulating device provided by the present invention and the method for regulating electronic device screen brightness thereof compared to prior art, have the following advantages:
Screen brightness regulating device of the present invention and the method for regulating electronic device screen brightness thereof are that illuminant module is expanded on flash memory, not only use and go up easily, but also plug and play.
Screen brightness regulating device of the present invention and the method for regulating electronic device screen brightness thereof, when brightness regulating apparatus detection light luminance altered a great deal, its screen can eject the dialog box alarm automatically.Therefore, concerning the user, eyes can be protected in real time.
Screen brightness regulating device of the present invention and the method for regulating electronic device screen brightness thereof can change according to extraneous light luminance, regulate screen intensity automatically, with protection user's eyes.
Description of drawings
Fig. 1 is the screen brightness regulating device calcspar of one embodiment of the invention;
Fig. 2 is in one embodiment of the invention, the dialog box that screen ejects; And
Fig. 3 is the method flow diagram of the adjusting screen intensity of one embodiment of the invention.
Description of reference numerals:
100 electronic installations, 202 illuminant modules
105 screens, 204 brightness comparing module
200 brightness regulating apparatus, 206 screen intensity detection modules
201 flash memories
Embodiment
The method that existing conjunction with figs. mark describes screen brightness regulating device of the present invention in detail and regulates electronic device screen brightness, and enumerate preferred embodiment and be described as follows:
Please refer to Fig. 1, show the brightness regulating apparatus 200 of a preferred embodiment of the present invention, it is external in an electronic installation 100, and it has a screen 105.Brightness regulating apparatus 200 comprises a flash memory 201, a screen intensity detection module 206, an illuminant module 202, reaches a brightness comparing module 204.Flash memory 201 is used to store a predetermined luminance ratio, and it is a screen intensity value of being scheduled to and the ratio of extraneous light brightness value.Screen intensity detection module 206 is in order to detect the brightness of screen 105.Illuminant module 202 is in order to detect extraneous varying environment light luminance.In a preferred embodiment, illuminant module is a photoresistance.Brightness comparing module 204, be connected in flash memory 201, screen intensity detection module 206 and illuminant module 202, in order to calculating the ratio of present screen intensity value and present extraneous light brightness value, with brightness ratio value up till now, and present brightness ratio and predetermined luminance ratio compared.Wherein, if brightness ratio is then notified comparison result electronic installation 100 greater than predetermined brightness value at present.
In this example, the extraneous light luminance that screen intensity that brightness comparing module 204 is detected at screen intensity detection module 206 and illuminant module 202 are detected is compared.In order to make above-mentioned comparison foundation to some extent, brightness comparing module 204 is to convert the light luminance that illuminant module 202 is detected to data, cooperate the screen intensity that is detected again, compare with the default brightness ratio that had before set, can judge light luminance that illuminant module 202 detected whether in the default brightness ratio that sets.
In other words, brightness comparing module 204 can be calculated the ratio of the detected brightness value of screen intensity value that screen intensity detection module 206 detected and illuminant module 202 in real time automatically, for example, when illuminant module 202 was not sensed extraneous light, photoresistance showed that resistance (Rg) is 100Kohm; Illuminant module 202 is sensed extraneous light luminance when the brightest, and photoresistance shows that resistance (Rg) is 1Kohm.Generally speaking, the brightness (L) of the mobile computer screen of electronic installation 100 is minimum to be set at 0 to 100 to maximum, therefore brightness comparing module 204 can be calculated the ratio of L/Rg automatically, when this ratio greater than a default brightness ratio (be screen very bright and environment is very dark), brightness comparing module 204 promptly can be notified electronic installation 100.
Because the photoresistance of illuminant module 202 is a thin film electronic assembly, its resistivity carried as side-arm is gone into the power (photon what) of light and is changed, the present invention is in the described photoresistance of brightness regulating apparatus 200 installings, make electronic installation 100 when running is carried out, can detect the resistance of photoresistance in real time by brightness regulating apparatus 200, export to electronic installation 100 in the result that its resistance value ratio is right.
In a preferred embodiment,, after the brightness comparing module 204 notice electronic installations 100, then can notify the user to regulate the brightness of screen by screen 105 when detected ratio is preset brightness ratio greater than one.For example, screen will eject a dialog box, and as " The LCD is very light, pleaseadjust it. " (as shown in Figure 2), the inquiry user wants to turn down brightness, to reach the effect of caution.Whether the brightness of deciding screen in its sole discretion by the user at last needs to heighten or turn down.
In another preferred embodiment, electronic installation 100 also comprises a screen intensity adjustment module (not shown).The screen intensity adjustment module can be regulated the brightness value of present screen 105 according to predetermined luminance ratio, makes by present screen intensity value and the resulting present brightness ratio of present extraneous light brightness value through regulating, equates with predetermined luminance ratio.
In another preferred embodiment, brightness regulating apparatus 200 also comprises a setting module (not shown).When brightness regulating apparatus 200 is connected with electronic installation 100, can pass through electronic installation 100, adjust predetermined luminance ratio by described setting module.
In addition, in another preferred embodiment, setting module can change into and being arranged in the electronic installation 100.When brightness regulating apparatus 200 is connected with electronic installation 100, can pass through electronic installation 100, to adjust predetermined luminance ratio.
In the above-described embodiment, brightness regulating apparatus 200 is preferably a carry-on dish.
In the above-described embodiment, electronic installation 100 is preferably a mobile computer.
Then please refer to Fig. 3, the method that shows the adjusting screen intensity of a preferred embodiment of the present invention, at least comprise the following steps: that at first with a flash memory stores one predetermined luminance ratio, it is a screen intensity value of being scheduled to and the ratio (S201) of extraneous light brightness value; Detect the screen intensity (S202) of present electronic installation with a screen intensity detection module; Transmit present screen intensity value to brightness comparing module (S203); Detect present extraneous light luminance (S204) with an illuminant module; Transmit present extraneous light brightness value to brightness comparing module (S205); Calculate the ratio of present screen intensity value and present extraneous light brightness value with the brightness comparing module, and judge that whether it is greater than predetermined luminance ratio (S206); And, if then judged result is notified electronic installation (S207); If not, then getting back to step S202 proceeds to detect.
In a preferred embodiment of the present invention, wherein afterwards in the step (S207) of judged result being notified electronic installation, also comprise electronic installation with judgment result displays in screen.At last, whether the user can regulate the brightness function to the screen of electronic installation according to the warning message decision.
In another preferred embodiment of the present invention, wherein afterwards in the step (S207) of judged result being notified electronic installation, also comprise and regulate present screen intensity value, make through the present screen intensity value of adjusting and the ratio of present extraneous light brightness value, equate with the ratio of extraneous light brightness value with the screen intensity value of being scheduled to.
In another preferred embodiment of the present invention,, also comprise and set predetermined luminance ratio wherein before with the step (S201) of a flash memory stores one predetermined luminance ratio.
In the above-described embodiment, illuminant module is preferably a photosensitive module.
In the above-described embodiment, electronic installation is preferably a mobile computer.
In sum, the method for screen brightness regulating device of the present invention and adjusting electronic device screen brightness thereof is that illuminant module is gone up and expanded at flash memory (for example carry-on dish), and not only use is upward very convenient, but plug and play.When brightness regulating apparatus detection light luminance altered a great deal, its screen can eject the dialog box alarm automatically, or can change according to extraneous light luminance, regulate screen intensity automatically.Therefore, concerning the user, eyes can be protected in real time.
Above-mentioned detailed description is specifying at preferred embodiment of the present invention, but the foregoing description is not in order to limit claim of the present invention, allly do not break away from equivalence that the technology of the present invention spirit done and implement or revise, all should be contained in the scope that claim of the present invention defines.
Claims (10)
1. a screen brightness regulating device is applicable to that one has the electronic installation of screen, it is characterized in that, comprising:
One flash memory is used to store a predetermined luminance ratio, and this predetermined luminance ratio is a screen intensity value of being scheduled to and the ratio of extraneous light brightness value;
One screen intensity detection module is in order to detect the screen intensity of described electronic installation;
One illuminant module is in order to detect extraneous light luminance; And
One brightness comparing module, be connected in described flash memory, screen intensity detection module and illuminant module, in order to calculate the ratio of the present extraneous light brightness value that present screen intensity value that described screen intensity detection module detected and described illuminant module detected, obtaining a present brightness ratio, and described present brightness ratio and described predetermined luminance ratio are compared;
Wherein, if described present brightness ratio greater than described predetermined brightness value, is then notified described electronic installation with described comparison result.
2. screen brightness regulating device as claimed in claim 1 is characterized in that, described electronic installation with described comparison result shows in described screen.
3. screen brightness regulating device as claimed in claim 1, it is characterized in that described electronic installation also comprises a screen intensity adjustment module, in order to regulate present screen intensity value, make by described present screen intensity to be worth resulting present brightness ratio, equate with described predetermined luminance ratio through regulating.
4. screen brightness regulating device as claimed in claim 1 is characterized in that, described illuminant module is a photoresistance.
5. screen brightness regulating device as claimed in claim 1 is characterized in that described screen brightness regulating device also comprises a setting module, in order to set described predetermined luminance ratio.
6. screen brightness regulating device as claimed in claim 1 is characterized in that, described screen brightness regulating device is a carry-on dish, and described electronic installation is a mobile computer.
7. method of regulating electronic device screen brightness, it comprises the steps:
With a flash memory stores one predetermined luminance ratio, this predetermined luminance ratio is a screen intensity value of being scheduled to and the ratio of extraneous light brightness value;
Detect the screen intensity of present described electronic installation with a screen intensity detection module;
Transmit described present screen intensity value to brightness comparing module;
Detect present extraneous light luminance with an illuminant module;
Transmit described present extraneous light brightness value to described brightness comparing module;
Calculate the ratio of described present screen intensity value and described present extraneous light brightness value with described brightness comparing module, and judge that whether it is greater than described predetermined luminance ratio; And
If then notify described electronic installation with described judged result.
8. method as claimed in claim 7 is characterized in that, after notifying the step of described electronic installation with described judged result, comprises that also described electronic installation is with the step of described judgment result displays in described screen.
9. method as claimed in claim 7, it is characterized in that, after notifying the step of described electronic installation with described judged result, also comprise and regulate described present screen intensity value, make described through regulating present screen intensity value and the ratio of described present extraneous light brightness value, the step that equates with the ratio of extraneous light brightness value with described predetermined screen intensity value.
10. method as claimed in claim 7 is characterized in that, before described step with a flash memory stores one predetermined luminance ratio, also comprises the step of setting described predetermined luminance ratio.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610116066 CN101145332A (en) | 2006-09-14 | 2006-09-14 | Screen brightness regulating device and method for regulating electronic device screen brightness |
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| CN 200610116066 CN101145332A (en) | 2006-09-14 | 2006-09-14 | Screen brightness regulating device and method for regulating electronic device screen brightness |
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| CN113837263A (en) * | 2021-09-18 | 2021-12-24 | 浙江理工大学 | Gesture image classification method based on feature fusion attention module and feature selection |
| CN113837263B (en) * | 2021-09-18 | 2023-09-26 | 浙江理工大学 | Gesture image classification method based on feature fusion attention module and feature selection |
| CN117037746A (en) * | 2023-06-19 | 2023-11-10 | 广州炫视智能科技有限公司 | Method and system for adjusting screen frame frequency based on ambient light change |
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