CN106303078A - Rely on the eyes protecting system of sensor guide screen - Google Patents

Abstract

The invention discloses a kind of eyes protecting system relying on sensor guide screen, including detection module, control module and display module；Display module has an electronic display screen, and electronic display screen is can the matrix form backlit display screen of local dimming；Control module is core processor；Detection module includes light sensor, range sensor, gyroscope and gravity sensor；Gyroscope and gravity sensor use three-dimensional information during electronic product so that control module judges the posture that user uses for detecting user, thus regulate brightness and the brightness step of electronic display screen.The three-dimensional information when present invention detects that user uses electronic product by the method that gyroscope and gravity sensor combine, according to three-dimensional information, control module judges that user uses posture after, instructs electronic display screen automatic regulating lightness and brightness step；The effect of the eye protection of the present invention more hommization, improves Consumer's Experience in all directions.

Description

An eye protection system that relies on sensors to guide the screen

technical field

The invention relates to an eye protection system relying on a sensor to guide a screen, and belongs to the technical field of screen brightness adjustment.

Background technique

With the development of electronic large-screen handheld smart terminals such as mobile phones, these devices are increasingly involved in our lives. Whether children or adults, they increasingly rely on various electronic smart terminals to handle learning, work, and life. affairs. However, long-term unhealthy eye habits, especially lying down, lying on the side and using mobile phones in low light, have led to myopia, astigmatism and other phenomena that endanger vision health. On the premise of strengthening eye health education, we can also use technical means to reduce the negative impact of electronic screens on vision by relying on a series of sensors and corresponding solutions to adjust the display effect of the screen.

At present, many screen adjustment technologies only rely on changing the brightness of the screen to achieve a simple eye protection effect, and do not take into account the relative positional relationship between the human body and the device. With the help of multiple sensors, this structure fully collects environmental information and information about the relative position between the human body and the device to make a more accurate judgment, and through the corresponding analysis scheme, the optimal display scheme is adopted by using a dot matrix backlight. The screen of the solution is presented, in order to protect people's eyesight more intelligently, and effectively overcome the defects in the screen adjustment of the existing eye protection solutions.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an eye protection system relying on sensors to guide the screen to solve the technical problem of inaccurate screen brightness adjustment.

In order to solve the above technical problems, the technical solution of the present invention is: an eye protection system relying on sensors to guide the screen, including a detection module, a control module and a display module;

The display module has an electronic display screen, and the electronic display screen is a matrix backlight display screen with local dimming;

The control module is a core processor;

The detection module includes a light sensor, a distance sensor, a gyroscope and a gravity sensor, and the light sensor, a distance sensor, a gyroscope and a gravity sensor are all electrically connected to the control module; the light sensor is used to detect the light intensity of the user's environment, and the distance sensor It is used to detect the distance between the user's eyes and the electronic display screen. The gyroscope and gravity sensor are used to detect the three-dimensional information when the user uses the electronic product so that the control module can judge the user's posture and adjust the brightness and brightness of the electronic display screen. Gradient, to achieve the purpose of eye protection.

A method for adjusting screen brightness is further provided. The control module receives the signal from the detection module, and the control module calculates the electronic display according to the principle that the glare index UGR is maintained at about 10 (the human eye feels moderate) and combined with the received ambient light intensity. The screen brightness of the screen; the control module adjusts the screen brightness according to the received distance parameter between the electronic display screen and the user's eyes, the distance becomes closer, the brightness decreases, and the distance becomes farther, the brightness increases; the control module adjusts the screen brightness according to the received three-dimensional The information parameters are used to judge the posture of the user when using the electronic product, and the screen brightness and brightness gradient of the electronic display screen are adjusted according to the posture.

A method for adjusting screen brightness and brightness gradient is further provided, the control module is used to process the three-dimensional information of the display module, and then determine the posture of the user, thereby controlling the screen brightness and brightness gradient of the electronic display screen:

If it is judged that the user's posture is lying down, the brightness of the screen is appropriately reduced;

If it is determined that the user's posture is lying on the right side, the brightness of the electronic display screen is gradually reduced from right to left on the basis of appropriately reducing the brightness of the screen;

If it is determined that the user's posture is lying on the left side, the brightness of the electronic display screen is gradually reduced from left to right on the basis of appropriately reducing the brightness of the screen.

After adopting the above technical solution, the present invention uses a light sensor to detect the light intensity of the environment where the user uses the electronic product, and the control module adaptively adjusts the brightness of the electronic display screen according to the ambient light intensity, so that the user's eyes can be greatly protection; the present invention detects the distance between the user’s eyes and the screen through a distance sensor, and the control module adjusts the brightness of the electronic display screen according to the distance parameter. Satisfy individualized technical problems; the invention detects the three-dimensional information when the user uses the electronic product through the method of combining the gyroscope and the gravity sensor, and the control module instructs the electronic display screen to automatically adjust the brightness and brightness after judging the user's posture according to the three-dimensional information Gradient; the effect of the eye protection of the present invention is more humanized, and the user experience is improved in an all-round way.

Description of drawings

Fig. 1 is a structural principle block diagram of the present invention;

Fig. 2 is a schematic diagram of the steps of adjusting the electronic display screen of the present invention;

In the figure, 1. detection module, 11. light sensor, 12. distance sensor, 13. gyroscope, 14. gravity sensor, 2. control module, 3. display module.

detailed description

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figure 1, an eye protection system relying on sensors to guide the screen, including a detection module 1, a control module 2 and a display module 3;

The display module 3 has an electronic display screen, and the electronic display screen is a matrix backlight display screen that can be locally dimmed;

The control module 2 is a core processor;

Described detection module 1 comprises optical sensor 11, distance sensor 12, gyroscope 13 and gravity sensor 14, and optical sensor 11, distance sensor 12, gyroscope 13 and gravity sensor 14 are all electrically connected with control module 2; Optical sensor 11 is used for Detect the light intensity of the user's environment, the distance sensor 12 is used to detect the distance between the user's eyes and the electronic display screen, the gyroscope 13 and the gravity sensor 14 are used to detect the three-dimensional information when the user uses the electronic product so that the control module 2 can judge According to the user's posture, the brightness and brightness gradient of the electronic display screen can be adjusted to achieve the purpose of eye protection.

Preferably, the control module 2 receives the signal from the detection module 1, and the control module 2 calculates the screen brightness of the electronic display screen according to the principle that the glare index UGR is maintained at about 10 (the human eye feels moderate) and combined with the received ambient light intensity ; The control module 2 adjusts the screen brightness according to the received distance parameter between the electronic display screen and the user's eyes, the distance becomes closer, the brightness decreases, and the distance becomes farther, the brightness increases; the control module 2 adjusts the screen brightness according to the received three-dimensional information parameter To judge the posture of the user when using the electronic product, and adjust the screen brightness and brightness gradient of the electronic display screen according to the posture.

Further, the control module 2 is used to process the three-dimensional information of the display module 3, and then determine the posture of the user, thereby controlling the screen brightness and brightness gradient of the electronic display screen:

If it is judged that the user's posture is lying down, the brightness of the screen is appropriately reduced;

If it is determined that the user's posture is lying on the right side, the brightness of the electronic display screen is gradually reduced from right to left on the basis of appropriately reducing the brightness of the screen;

If it is determined that the user's posture is lying on the left side, the brightness of the electronic display screen is gradually reduced from left to right on the basis of appropriately reducing the brightness of the screen.

The eye protection method process of this eye protection system is as follows:

as shown in picture 2,

Step S1, start the system, and automatically start the eye protection system relying on the sensor to guide the screen when the electronic product is turned on;

Step S2.1, the light sensor 11 sends the collected ambient light intensity parameters to the control module 2 in real time;

Step S2.2, the distance sensor 12 sends the collected distance parameters to the control module 2 in real time;

Step S2.3, the gyroscope 13 and the gravity sensor 14 send the three-dimensional information parameters to the control module 2 in real time;

Step S3, the control module 2 analyzes and processes the detection parameters:

The control module 2 calculates the relatively optimal screen brightness based on the principle that the glare index UGR is maintained at about 10 (the human eye feels moderate) and combined with the received ambient light intensity parameters to achieve "coarse adjustment";

The control module 2 adjusts the brightness of the electronic display screen according to the received distance parameters to realize "fine tuning";

The control module 2 judges the posture of the user when using the electronic product according to the received three-dimensional information parameters, and adjusts the brightness and brightness gradient of the electronic display screen according to the posture to achieve "perfection".

Specifically, the control module 2 judges the user's posture when using the electronic product according to the received three-dimensional information parameters. If it is judged that the user's posture is lying flat, the electronic display screen is relatively close to the human eye, and the blood vessels of the human eye are prone to congestion. , the elasticity of eye muscle fibers is reduced and myopia is likely to be reduced, and the screen brightness is appropriately reduced; On the basis of reducing the brightness of the screen, the brightness of the electronic display screen is gradually reduced from right to left; Gradient decreases to the right.

Step S4: guide the display effect of the electronic display screen according to the display parameters provided by the control module 2;

Step S5: Detect three groups of parameters again, and jump to S2 for real-time uninterrupted detection.

The above glare index UGR is calculated as follows:

$\mathrm{<span\; class="notranslate">\; u</span>}\mathrm{<span\; class="notranslate">\; G</span>}\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 8</span>}\mathrm{<span\; class="notranslate">\; lg</span>}\frac{\mathrm{<span\; class="notranslate">\; 0.25</span>}}{{\mathrm{<span\; class="notranslate">\; L</span>}}_{\mathrm{<span\; class="notranslate">\; b</span>}}}\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}\frac{{{\mathrm{<span\; class="notranslate">\; L</span>}}_{\mathrm{<span\; class="notranslate">\; a</span>}}}^{\mathrm{<span\; class="notranslate">\; 2</span>}}<span\; class="notranslate">\; \&Center\; Dot;</span>\mathrm{<span\; class="notranslate">\; \&omega;</span>}}{\mathrm{<span\; class="notranslate">\; p</span>}\mathrm{<span\; class="notranslate">\; 2</span>}}$

In the formula, L ^b ——background brightness, unit cd/m ² ,

L _a ——the luminance of each luminaire in the direction of the observer, unit cd/m ² ,

ω——the solid angle formed by the light-emitting part of each lamp to the observer's eyes, unit sr,

p - the position index of each individual luminaire.

The present invention uses the light sensor 11 to detect the light intensity of the environment where the user is using the electronic product, and the control module 2 adaptively adjusts the brightness of the electronic display screen according to the ambient light intensity, so that the user's eyes are largely protected; The distance sensor 12 detects the distance between the user's eyes and the screen, and the control module 2 adjusts the brightness of the electronic display screen according to the distance parameter. This function solves the problem that the existing eye protection methods cannot meet the individualization due to the different eye habits of individuals. technical problems; the present invention detects the three-dimensional information when the user uses the electronic product through the method of combining the gyroscope 13 and the gravity sensor 14. After the control module 2 judges the user's use posture according to the three-dimensional information, it guides the electronic display screen to automatically adjust the brightness and brightness Gradient; the effect of the eye protection of the present invention is more humanized, and the user experience is improved in an all-round way.

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (3)

1. An eye protection system relying on a sensor to guide the screen, characterized in that it includes a detection module (1), a control module (2) and a display module (3); The display module (3) has an electronic display screen, and the electronic display screen is a matrix backlight display screen that can be locally dimmed; The control module (2) is a core processor; Described detection module (1) comprises light sensor (11), distance sensor (12), gyroscope (13) and gravity sensor (14), light sensor (11), distance sensor (12), gyroscope (13) and The gravity sensor (14) is electrically connected with the control module (2); the light sensor (11) is used to detect the light intensity of the user's environment, and the distance sensor (12) is used to detect the distance between the user's eyes and the electronic display screen , the gyroscope (13) and the gravity sensor (14) are used to detect the three-dimensional information when the user uses the electronic product so that the control module (2) can judge the posture of the user, thereby adjusting the brightness and brightness gradient of the electronic display screen to achieve eye protection. of. 2. The eye protection system relying on the sensor to guide the screen according to claim 1, characterized in that: the control module (2) receives the signal from the detection module (1), and the control module (2) maintains the glare index UGR at Calculate the screen brightness of the electronic display screen based on the principle of about 10 (the human eye feels moderate) in combination with the received ambient light intensity; the control module (2) adjusts the screen brightness according to the received distance parameter between the electronic display screen and the user's eyes, The closer the distance, the lower the brightness, the farther the distance, the higher the brightness; the control module (2) judges the posture of the user when using the electronic product according to the received three-dimensional information parameters, and adjusts the screen brightness of the electronic display screen according to the posture and brightness gradients. 3. The eye protection system relying on a sensor to guide the screen according to claim 2, characterized in that: the control module (2) is used to process the three-dimensional information of the display module (3), and then determine the posture of the user, Thereby controlling the screen brightness and brightness gradient of the electronic display screen: If it is judged that the user's posture is lying down, the brightness of the screen is appropriately reduced; If it is determined that the user's posture is lying on the right side, the brightness of the electronic display screen is gradually reduced from right to left on the basis of appropriately reducing the brightness of the screen; If it is determined that the user's posture is lying on the left side, the brightness of the electronic display screen is gradually reduced from left to right on the basis of appropriately reducing the brightness of the screen.