CN105895057A - Backlight regulating method and device, and terminal equipment - Google Patents

Abstract

The invention discloses a backlight adjustment method, device and terminal equipment. The method includes: acquiring the intensity value of the current ambient light detected by the illumination sensor in the terminal equipment; setting the proximity sensor in the terminal equipment according to the magnitude of the intensity value The threshold used to judge whether the terminal device is blocked, wherein the set threshold is proportional to the intensity value; compare the light intensity acquired by the proximity sensor with the threshold Comparing, determining whether the terminal device is blocked according to the comparison result; when it is determined that the terminal device is not blocked, keeping the backlight adjustment function of the terminal device in an on state. This solution improves the backlight adjustment function of the terminal equipment and increases the adaptability of the backlight adjustment.

Description

A backlight adjustment method, device and terminal equipment

technical field

The embodiments of the present invention relate to computer technology, and in particular to a backlight adjustment method, device and terminal equipment.

Background technique

As a lighting method, backlight has been widely used in screen display technology. Most of the existing terminal devices have the function of automatically adjusting the brightness of the backlight, that is, the terminal device detects the current ambient light intensity through its own integrated light sensor, and different light intensities correspond to different backlight levels, and then adjusts the screen brightness to make the screen brightness Compatible with ambient light. Through the automatic adjustment of the screen backlight, the terminal device can reduce the screen brightness when the external light is dark to avoid irritation to the human eyes, and when the external light is bright, it will automatically increase the screen brightness so that the screen can clearly display the content, which can improve The comfort of human eyes viewing, reasonable protection of eyesight.

The proximity sensor is also a commonly used sensing device in terminal equipment. Its principle is: judge whether the terminal equipment is blocked according to the intensity of the received infrared rays. When the proximity sensor detects that the terminal equipment is blocked, the automatic adjustment function of the backlight will fail. , that is, the terminal device will not adopt the backlight automatic adjustment function after the ambient light changes due to its being blocked. When the infrared rays in the environment are strong, the proximity sensor will judge that the terminal device is in a blocked state, which will cause the problem that the terminal device cannot automatically adjust the backlight.

Contents of the invention

The invention provides a backlight adjustment method, device and terminal equipment to prevent the problem of invalid backlight adjustment due to the interference of a proximity sensor, improve the backlight adjustment function of the terminal equipment, and increase the adaptability of the backlight adjustment.

In a first aspect, an embodiment of the present invention provides a backlight adjustment method, including:

Obtain the intensity value of the current ambient light detected by the light sensor in the terminal device;

Setting a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, wherein the set threshold is proportional to the magnitude of the intensity value;

Comparing the light intensity acquired by the proximity sensor with the threshold, and determining whether the terminal device is blocked according to the comparison result;

When it is determined that the terminal device is not blocked, keep the backlight adjustment function of the terminal device in an on state.

In the second aspect, the embodiment of the present invention also provides a backlight adjustment device, including:

The ambient light intensity acquisition module is used to acquire the intensity value of the current ambient light detected by the light sensor in the terminal device;

A threshold setting module, configured to set a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, wherein the set threshold is the same as the intensity value proportional to the size;

a threshold comparison module, configured to compare the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result;

A backlight processing module, configured to keep the backlight adjustment function of the terminal device in an on state when it is determined that the terminal device is not blocked.

In a third aspect, an embodiment of the present invention further provides a terminal device, where the terminal device integrates the apparatus described above.

The present invention adaptively adjusts the threshold value of the proximity sensor for judging whether it is blocked according to different ambient light intensity values acquired by the terminal device, and prevents the problem that the proximity sensor judges that the terminal device is in a blocked state due to excessive ambient light intensity, thereby causing invalid backlight adjustment. The backlight adjustment function of the terminal equipment is improved, and the adaptability of the backlight adjustment is increased.

Description of drawings

FIG. 1 is a flowchart of a backlight adjustment method provided by Embodiment 1 of the present invention;

FIG. 2 is a flow chart of the backlight adjustment method provided by Embodiment 2 of the present invention;

FIG. 3 is a flow chart of a backlight adjustment method provided by Embodiment 3 of the present invention;

FIG. 4 is a schematic structural diagram of a backlight adjusting device provided by Embodiment 4 of the present invention.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

Embodiment one

Figure 1 is a flow chart of the backlight adjustment method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of automatically adjusting the screen backlight in a terminal device. This method can be executed by a terminal device such as a smart phone or a tablet computer, and specifically includes Follow the steps below:

Step 101. Obtain the intensity value of the current ambient light detected by the illumination sensor in the terminal device.

Various types of sensors such as acceleration sensors, gyroscopes, gravity sensors, etc. are usually integrated in terminal devices to achieve various functions. Wherein, the light sensor may be used for the terminal device to perceive the intensity value of the ambient light in its environment. Specifically, the light sensor converts the intensity value of the collected ambient light into a voltage value through photoelectric conversion, and then converts the voltage value into 0-2V or 4-20mA, and obtains Light intensity value. Wherein, the intensity value of the ambient light represents the magnitude of the illumination degree. For example: under direct sunlight in summer, the light intensity is about 60,000-100,000 lux (light intensity unit), about 1,000-10,000 lux outdoors without the sun, about 100-550 lux indoors in summer, and full moon at night The lower is about 0.2lux. This step acquires the intensity value of the current ambient light detected by the light sensor in the terminal device in real time.

Step 102: Set a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value.

Wherein, the magnitude of the set threshold is proportional to the magnitude of the intensity value. That is, the greater the intensity value, the corresponding threshold value also increases, and the threshold value decreases correspondingly when the intensity value decreases. Among them, the proximity sensor is another commonly used sensing device in terminal equipment. Its detection principle is to sense whether it is in a blocked state through the intensity of the received reflected infrared rays. The device is blocked. In the specific judgment process, a system preset threshold is used as the judgment standard, and the size of the threshold is fixed in the prior art. When the intensity of ambient light is strong, the light intensity collected by the proximity sensor will also increase. If the threshold is fixed, it will obviously cause the terminal device to make the proximity sensor judge that the terminal device is in a blocked state in a strong light environment, and then The backlight adjustment function is not available. In this step, the threshold changes accordingly according to the acquired ambient light intensity value.

Step 103: Compare the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result.

Wherein, the proximity sensor collects the intensity of the light it receives in real time, and judges whether the terminal device is blocked according to the intensity. In this step, compare the magnitude of the light intensity acquired by the proximity sensor with the threshold set in step 102, and determine whether the terminal device is blocked according to the comparison result. Since the threshold varies according to the magnitude of the ambient light intensity, the comparison in this step The thresholds used are subject to change.

Step 104, when it is determined that the terminal device is not blocked, keep the backlight adjustment function of the terminal device in an on state.

Exemplarily, when the ambient light intensity is strong, the terminal device uses the backlight adjustment function to increase the screen brightness to make the content displayed on the screen clearer; when the ambient light intensity is weak, the terminal device uses the backlight adjustment function to adaptively reduce the screen brightness. protect eyes. When it is determined that the terminal device is not blocked, the backlight adjustment function of the terminal device is kept on, and when the terminal device is blocked, the backlight adjustment function becomes invalid.

In the technical solution of this embodiment, according to the different ambient light intensity values acquired by the terminal device, the threshold value of the proximity sensor for judging whether it is blocked is adaptively adjusted to prevent the proximity sensor from judging that the terminal device is in a blocked state due to excessive ambient light intensity and thus causing backlight. The problem of invalid adjustment improves the backlight adjustment function of the terminal equipment and increases the adaptability of the backlight adjustment.

Embodiment two

Fig. 2 is a flow chart of the backlight adjustment method provided by Embodiment 2 of the present invention. On the basis of Embodiment 1, this embodiment provides a preferred scheme for setting a threshold, which specifically includes:

Step 201. Obtain the intensity value of the current ambient light detected by the illumination sensor in the terminal device.

Step 202. Determine whether the intensity value is smaller than a first preset adjustment value. When it is judged that the intensity value is smaller than the first preset adjustment value, set the proximity sensor in the terminal device according to the intensity value. The threshold used for judging whether the terminal device is blocked.

Wherein, the first preset adjustment value can be exemplarily 8000 lux, that is, when the ambient light intensity exceeds 8000 lux, it is already in a very strong bright light environment, and at this time the light intensity value acquired by the proximity sensor is already close to saturation, that is No matter how large the threshold value is set, the proximity sensor will judge that the terminal device is in a blocked state. Therefore, in this step, a first preset adjustment is set to be used to judge the terminal device in the proximity sensor according to the size of the intensity value. Before the threshold value used for whether the device is blocked, the intensity value of the ambient light is pre-judged, and when the intensity value is judged to be less than the first preset adjustment value, the proximity sensor in the terminal device is set according to the intensity value. The threshold used for judging whether the terminal device is blocked.

Step 203: Compare the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result.

Step 204, when it is determined that the terminal device is not blocked, keep the backlight adjustment function of the terminal device in an on state.

In the technical solution of this embodiment, before setting the threshold value used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the strength value, it is judged whether the magnitude of the strength value is smaller than the first preset adjustment value, if The threshold is set according to the magnitude of the intensity value if it is less than the first preset adjustment value, which optimizes the threshold setting scheme, makes it more in line with the specific scene in the terminal device, and improves the efficiency of backlight adjustment at the same time.

On the basis of each of the above embodiments, it further includes: when it is judged that the intensity value is not less than the first preset adjustment value, setting the proximity sensor to be unable to trigger the terminal device to be in a blocked state. As mentioned above, when the ambient light intensity value is too large, the proximity sensor will always judge that the terminal device is in a blocked state, thereby making the backlight adjustment function invalid. In this solution, when the ambient light intensity value is greater than or equal to the first preset adjustment value , setting the proximity sensor cannot trigger the terminal device to be in a blocked state, so as to keep the backlight adjustment valid.

Embodiment three

Fig. 3 is a flow chart of the backlight adjustment method provided by Embodiment 3 of the present invention. On the basis of the above-mentioned embodiments, this embodiment provides a preferred scheme for setting thresholds, which specifically includes:

Step 301. Obtain the current ambient light intensity value detected by the illumination sensor in the terminal device.

Step 302. Determine whether the intensity value is greater than a second preset adjustment value, and set the proximity sensor in the terminal device according to the intensity value when it is determined that the intensity value is greater than the second preset adjustment value. The threshold used for judging whether the terminal device is blocked.

Wherein, the second preset adjustment value is smaller than the first preset adjustment value. Exemplarily, the second preset adjustment value is 3000lux. When the ambient light intensity value is less than 3000, it can be determined that the ambient light is not strong, and its proximity sensor is less affected by the ambient light intensity. Make adaptive settings.

Step 303: Compare the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result.

Step 304, when it is determined that the terminal device is not blocked, keep the backlight adjustment function of the terminal device in an on state.

In the technical solution of this embodiment, before setting the threshold value used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, when the intensity value is determined to be greater than the second preset adjustment value, then according to the intensity value Set the threshold value used by the proximity sensor in the terminal device to determine whether the terminal device is blocked, optimize the threshold setting scheme, make it more in line with the specific scene in the terminal device, and improve the efficiency of backlight adjustment.

On the basis of each of the above embodiments, it also includes: when judging that the intensity value is not greater than the second preset adjustment value, using a default value as the value used by the proximity sensor in the terminal device for judging whether the terminal device is blocked threshold. When the intensity value is not greater than the second preset adjustment value, it means that the intensity of the ambient light has little influence on the proximity sensor and can be ignored. Therefore, this solution adopts the default threshold value of the proximity sensor, which reduces the complexity of program operation.

On the basis of the above embodiments, setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value includes: according to the magnitude of the intensity value and the threshold value in the database The stored correspondence between the magnitude of the intensity value and the threshold sets the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked. In this solution, the ambient light intensity value and the corresponding proximity sensor threshold are stored in the database in advance, and when the threshold needs to be set, the data is directly read from the database, which improves the threshold setting efficiency.

On the basis of each of the above embodiments, setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value includes: according to the magnitude of the intensity value and a preset The linear relationship between the intensity value and the threshold is set, and the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set. In this solution, the threshold value of the proximity sensor is linearly correlated with the light intensity value of the environment, which improves the variation accuracy of the threshold value and makes the adjustment of the backlight function of the terminal device more accurate.

Embodiment Four

FIG. 4 is a schematic structural diagram of a backlight adjusting device provided in Embodiment 4 of the present invention, and the specific structure is as follows:

The ambient light intensity acquisition module 1 is used to acquire the intensity value of the current ambient light detected by the illumination sensor in the terminal device;

Threshold value setting module 2, configured to set the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, wherein the set threshold value is related to the intensity value The size of the value is proportional to;

Threshold comparison module 3, configured to compare the magnitude of the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result;

The backlight processing module 4 is configured to keep the backlight adjustment function of the terminal device in an on state when it is determined that the terminal device is not blocked.

In the technical solution of this embodiment, according to the different ambient light intensity values acquired by the terminal device, the threshold value of the proximity sensor for judging whether it is blocked is adaptively adjusted to prevent the proximity sensor from judging that the terminal device is in a blocked state due to excessive ambient light intensity and thus causing backlight. The problem of invalid adjustment improves the backlight adjustment function of the terminal equipment and increases the adaptability of the backlight adjustment.

On the basis of the above technical solution, it also includes: an ambient light intensity judging module, used to judge whether the magnitude of the intensity value is smaller than a first preset adjustment value; the threshold value setting module is also used to: when judging the intensity value When it is less than the first preset adjustment value, the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set according to the magnitude of the intensity value.

On the basis of the above technical solution, the threshold setting module is further configured to: when it is judged that the intensity value is not less than a first preset adjustment value, set the proximity sensor to be unable to trigger the terminal device to be in a blocked state.

On the basis of the above technical solution, the ambient light intensity judging module is further configured to: judge whether the magnitude of the intensity value is greater than a second preset adjustment value, wherein the second preset adjustment value is smaller than the first preset adjustment value; The threshold setting module is further configured to: when judging that the intensity value is greater than a second preset adjustment value, set the proximity sensor in the terminal device according to the magnitude of the intensity value to determine whether the terminal device is blocked. The threshold to use.

On the basis of the above technical solution, the threshold setting module is further configured to: when judging that the intensity value is not greater than the second preset adjustment value, use a default value as the proximity sensor in the terminal device for judging whether the terminal device Threshold to use for occlusions.

On the basis of the above technical solution, the threshold setting module is specifically configured to: set the proximity sensor in the terminal device to determine The threshold used for whether the terminal device is blocked.

On the basis of the above technical solution, the threshold setting module is specifically configured to: according to the magnitude of the intensity value and the preset linear relationship between the intensity value and the threshold, set the proximity sensor in the terminal device to determine whether the terminal The threshold used for whether the device is occluded or not.

The above-mentioned product can execute the method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.

Embodiment five

This embodiment provides a terminal device on the basis of the foregoing embodiments, and the terminal device integrates the apparatus described in Embodiment 4. Exemplarily, the terminal device is composed of operating system, CPU, ROM, RAM, touch screen and other components.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (15)

1. A backlight adjustment method, characterized in that, comprising: Obtain the intensity value of the current ambient light detected by the light sensor in the terminal device; Setting a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, wherein the set threshold is proportional to the magnitude of the intensity value; Comparing the light intensity acquired by the proximity sensor with the threshold, and determining whether the terminal device is blocked according to the comparison result; When it is determined that the terminal device is not blocked, keep the backlight adjustment function of the terminal device in an on state. 2. The method according to claim 1, characterized in that before setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, further comprising: judging whether the intensity value is smaller than a first preset adjustment value; The setting of the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value includes: When it is judged that the intensity value is smaller than the first preset adjustment value, a threshold value used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set according to the magnitude of the intensity value. 3. The method according to claim 2, further comprising: When it is judged that the intensity value is not less than the first preset adjustment value, the proximity sensor is set to be unable to trigger the terminal device to be in a blocked state. 4. The method according to claim 2, characterized in that before setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, further comprising: judging whether the magnitude of the intensity value is greater than a second preset adjustment value, wherein the second preset adjustment value is smaller than the first preset adjustment value; The setting of the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value includes: When it is determined that the intensity value is greater than a second preset adjustment value, a threshold used by the proximity sensor in the terminal device for determining whether the terminal device is blocked is set according to the magnitude of the intensity value. 5. The method according to claim 4, further comprising: When it is judged that the intensity value is not greater than the second preset adjustment value, a default value is used as a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked. 6. The method according to claim 1, wherein setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value comprises: According to the magnitude of the intensity value and the corresponding relationship between the magnitude of the intensity value and the threshold stored in the database, the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set. 7. The method according to claim 1, wherein setting the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value comprises: According to the magnitude of the intensity value and the preset linear relationship between the intensity value and the threshold, the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set. 8. A backlight adjustment device, characterized in that it comprises: The ambient light intensity acquisition module is used to acquire the intensity value of the current ambient light detected by the light sensor in the terminal device; A threshold setting module, configured to set a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked according to the magnitude of the intensity value, wherein the set threshold is the same as the intensity value proportional to the size; a threshold comparison module, configured to compare the light intensity acquired by the proximity sensor with the threshold, and determine whether the terminal device is blocked according to the comparison result; A backlight processing module, configured to keep the backlight adjustment function of the terminal device in an on state when it is determined that the terminal device is not blocked. 9. The device according to claim 8, further comprising: An ambient light intensity judging module, configured to judge whether the intensity value is smaller than a first preset adjustment value; The threshold setting module is also used for: When it is judged that the intensity value is smaller than the first preset adjustment value, a threshold value used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set according to the magnitude of the intensity value. 10. The device according to claim 9, wherein the threshold setting module is also used for: When it is judged that the intensity value is not less than the first preset adjustment value, the proximity sensor is set to be unable to trigger the terminal device to be in a blocked state. 11. The device according to claim 9, wherein the ambient light intensity judging module is also used for: judging whether the magnitude of the intensity value is greater than a second preset adjustment value, wherein the second preset adjustment value is smaller than the first preset adjustment value; The threshold setting module is also used for: When it is determined that the intensity value is greater than a second preset adjustment value, a threshold used by the proximity sensor in the terminal device for determining whether the terminal device is blocked is set according to the magnitude of the intensity value. 12. The device according to claim 11, wherein the threshold setting module is also used for: When it is judged that the intensity value is not greater than the second preset adjustment value, a default value is used as a threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked. 13. The device according to claim 8, wherein the threshold setting module is specifically used for: According to the magnitude of the intensity value and the corresponding relationship between the magnitude of the intensity value and the threshold stored in the database, the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set. 14. The device according to claim 8, wherein the threshold setting module is specifically used for: According to the magnitude of the intensity value and the preset linear relationship between the intensity value and the threshold, the threshold used by the proximity sensor in the terminal device for judging whether the terminal device is blocked is set. 15. A terminal device, characterized in that the terminal device integrates the apparatus according to any one of claims 8-14.