CN112328069A - Power consumption control method and device of liquid crystal display module and electronic equipment - Google Patents
Power consumption control method and device of liquid crystal display module and electronic equipment Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 252
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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Abstract
A power consumption control method and device of a liquid crystal display module and electronic equipment are provided, the method comprises the following steps: when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, detecting whether human face information exists around the liquid crystal display module within a first specified time; if the situation that the human face information does not exist around the liquid crystal display module is detected within the first specified time, the backlight brightness of the liquid crystal display module is reduced; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, controlling the liquid crystal display module to screen-turn. By implementing the embodiment of the application, the battery power of the electronic equipment can be saved, and the battery endurance of the electronic equipment is improved.
Description
Technical Field
The application relates to the technical field of liquid crystal display, in particular to a power consumption control method and device of a liquid crystal display module and electronic equipment.
Background
At present, most electronic equipment such as mobile phones and flat panels with liquid crystal display modules on the market can sense the illuminance of the surrounding environment through a light sensing technology, and when the electronic equipment is determined to be in a dark environment according to the sensed illuminance of the surrounding environment, the electronic equipment can reduce the brightness of the liquid crystal display module, so that the effects of protecting eyes and reducing power consumption can be achieved. However, in a bright environment, the liquid crystal display module often displays normally but the electronic device is not used, and in such a scene, the battery power consumption of the electronic device is large, which may reduce the battery endurance of the electronic device.
Disclosure of Invention
The embodiment of the application discloses a power consumption control method and device of a liquid crystal display module and electronic equipment, which can save the battery power of the electronic equipment and improve the battery endurance of the electronic equipment.
The first aspect of the embodiment of the present application discloses a power consumption control method for a liquid crystal display module, where the method includes:
when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, detecting whether human face information exists around the liquid crystal display module within a first specified time;
if the situation that the human face information does not exist around the liquid crystal display module is detected within the first specified time, the backlight brightness of the liquid crystal display module is reduced; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, controlling the liquid crystal display module to screen-turn.
As an optional implementation manner, in the first aspect of this embodiment of the present application, the method further includes:
if the liquid crystal display module is in a bright environment and displays a dynamic picture, and human face information is detected to exist around the liquid crystal display module within the first specified time, whether human eye features exist in the human face information is identified;
if the human eye characteristics exist, detecting whether the human eye characteristics watch the liquid crystal display module or not within a second specified time length, wherein the second specified time length is longer than the first specified time length;
if the human eye characteristics are detected not to be watched on the liquid crystal display module within a second specified time, reducing the backlight brightness of the liquid crystal display module;
and detecting whether the human eye characteristics watch the liquid crystal display module within the next second appointed time, and if the human eye characteristics do not watch the liquid crystal display module, controlling the liquid crystal display module to screen-turn.
As another optional implementation manner, in the first aspect of this embodiment of the present application, the method further includes:
when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a static picture, detecting whether human face information exists around the liquid crystal display module within the first specified time;
if no human face information exists around the liquid crystal display module within the first specified time, reducing the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, controlling the liquid crystal display module to screen-turn.
The second aspect of the embodiment of the present application discloses a power consumption control device of a liquid crystal display module, including detecting unit and control unit:
the detection unit is used for detecting whether face information exists around the liquid crystal display module within a first specified time period if the liquid crystal display module is in a bright environment and displays a dynamic picture when the liquid crystal display module is in a display state, and triggering the control unit to reduce the backlight brightness of the liquid crystal display module if the face information does not exist around the liquid crystal display module within the first specified time period;
the detection unit is further used for detecting whether face information exists around the liquid crystal display module within the next first specified time, and if the face information does not exist, the control unit is triggered to control the liquid crystal display module to screen-up.
As an optional implementation manner, in the second aspect of the embodiments of the present application, the method further includes:
the identification unit is used for identifying whether human eye characteristics exist in the human face information or not when the liquid crystal display module is in a bright environment and displays a dynamic picture and the human face information around the liquid crystal display module is detected within the first specified time;
if the human eye characteristics exist, the detection unit is further used for detecting whether the human eye characteristics watch the liquid crystal display module within a second specified time length, and the second specified time length is longer than the first specified time length; if the human eye characteristics are detected not to be watched on the liquid crystal display module within a second specified time, triggering the control unit to reduce the backlight brightness of the liquid crystal display module;
and the detection unit is also used for detecting whether the human eye characteristics watch the liquid crystal display module within the next second appointed time period, and if the human eye characteristics do not watch the liquid crystal display module, the control unit is triggered to control the liquid crystal display module to display information.
As another alternative implementation, in the second aspect of the embodiments of the present application:
the detection unit is further configured to detect whether face information exists around the liquid crystal display module within the first specified duration if the liquid crystal display module is in a bright environment and displays a static picture when the liquid crystal display module is in a display state; if no human face information exists around the liquid crystal display module within the first specified time, triggering the control unit to reduce the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, triggering the control unit to control the liquid crystal display module to screen-up.
A third aspect of the embodiments of the present application discloses an electronic device, including:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute all or part of the steps of the power consumption control method of the liquid crystal display module disclosed by the first aspect of the embodiment of the application.
A fourth aspect of the embodiments of the present application discloses a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and when the computer instructions are executed, the computer executes all or part of the steps of the power consumption control method for a liquid crystal display module disclosed in the first aspect of the embodiments of the present application.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
in the embodiment of the application, when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, whether face information exists around the liquid crystal display module can be detected within a first specified time (such as 5 seconds), and if the face information does not exist, the backlight brightness of the liquid crystal display module can be reduced; and whether the face information exists around the liquid crystal display module can be detected within the next first specified time (such as 5 seconds), if the face information does not exist, the liquid crystal display module can be controlled to screen, so that the battery power of the electronic equipment can be saved, and the battery endurance of the electronic equipment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of a power consumption control method of a liquid crystal display module according to a first embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a power consumption control method of a liquid crystal display module according to a second embodiment of the disclosure;
fig. 3 is a schematic flowchart of a power consumption control method of a liquid crystal display module according to a third embodiment of the disclosure;
FIG. 4 is a schematic structural diagram of a power consumption control device of a liquid crystal display module according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the application discloses a power consumption control method and device of a liquid crystal display module and electronic equipment, which can save the battery power of the electronic equipment and improve the battery endurance of the electronic equipment. The following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic flow chart of a power consumption control method of a liquid crystal display module according to a first embodiment of the present disclosure. The power consumption control method of the liquid crystal display module shown in fig. 1 is applied to electronic devices having a liquid crystal display module (also referred to as a liquid crystal display) such as mobile phones and tablets. As shown in fig. 1, the power consumption control method of the liquid crystal display module may include the following steps:
101. when the liquid crystal display module of the electronic equipment is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, detecting whether face information exists around the liquid crystal display module within a first specified time, and if the face information does not exist around the liquid crystal display module within the first specified time, executing the step 102-the step 103; if the human face information around the liquid crystal display module is detected within the first specified time, the process is ended.
For example, when the liquid crystal display module of the electronic device is in the display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, whether face information exists around the liquid crystal display module can be detected within 5 seconds (i.e., within a first specified time) through the cold infrared component, and if no face information exists around the liquid crystal display module within 5 seconds, step 102 to step 103 are executed; if the human face information around the liquid crystal display module is detected within 5 seconds, the process is ended. That is, if the human face information around the liquid crystal display module is detected within 5 seconds, the electronic device can keep the normal display of the liquid crystal display module.
102. The electronic equipment reduces the backlight brightness of the liquid crystal display module.
For example, the electronic device may reduce the backlight brightness of the liquid crystal display module by half, or the electronic device may reduce the backlight brightness of the liquid crystal display module to another preset value, which is not limited in the embodiment of the present application.
103. The electronic equipment detects whether the face information exists around the liquid crystal display module within the next first designated time, and if the face information does not exist, step 104 is executed; if the face information exists, the process is ended.
For example, the electronic device may detect whether there is face information around the liquid crystal display module within the next 5 seconds (i.e., the first specified duration) through the cold infrared component, and if there is no face information, execute step 104; if the face information exists, the process is ended. That is, if the face information around the liquid crystal display module is detected in the next 5 seconds, the electronic device can keep the normal display of the liquid crystal display module.
104. The electronic equipment controls the liquid crystal display module to display information.
In the power consumption control method of the liquid crystal display module depicted in fig. 1, the electronic device may combine with the face recognition technology to save the battery power of the electronic device, so as to improve the battery endurance of the electronic device.
Referring to fig. 2, fig. 2 is a schematic flow chart of a power consumption control method of a liquid crystal display module according to a second embodiment of the disclosure. As shown in fig. 2, the power consumption control method of the liquid crystal display module may include the following steps:
201. when the electronic device is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, detecting whether face information exists around the liquid crystal display module within a first specified time (e.g., 5 seconds), and if so, executing step 202; if not, go to step 206-step 207.
202. The electronic equipment identifies whether the human eye characteristics exist in the human face information, and if the human eye characteristics do not exist in the human face information, the step 206 to the step 207 are executed; if the human eye feature exists, go to step 203.
203. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within a second specified time (such as 10 seconds); wherein the second specified duration is greater than the first specified duration; if watching the liquid crystal display module, ending the process; if the liquid crystal display module is not watched, step 204 to step 205 are executed.
That is, if the eye feature looks at the lcd module, the electronic device can maintain the normal display of the lcd module.
204. The electronic equipment reduces the backlight brightness of the liquid crystal display module.
205. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within the next second appointed time (such as 10 seconds), and if the human eye characteristics watch the liquid crystal display module, the process is ended; if the liquid crystal display module is not watched yet, step 208 is executed.
That is, if the eye feature looks at the lcd module, the electronic device can maintain the normal display of the lcd module.
206. The electronic equipment reduces the backlight brightness of the liquid crystal display module.
207. The electronic device detects whether the face information exists around the liquid crystal display module within the next first specified time (e.g. 5 seconds), and if the face information does not exist, step 208 is executed; if the face information exists, the step 202 is returned to.
208. The electronic equipment controls the liquid crystal display module to display information.
In the power consumption control method of the liquid crystal display module depicted in fig. 2, the electronic device may combine the face recognition technology and the eye features to save the battery power of the electronic device, so as to improve the battery endurance of the electronic device.
Referring to fig. 3, fig. 3 is a schematic flow chart of a power consumption control method of a liquid crystal display module according to a third embodiment of the present disclosure. As shown in fig. 3, the power consumption control method of the liquid crystal display module may include the following steps:
301. the liquid crystal display module of the electronic equipment is in a normal display state.
For example, the liquid crystal display module can be assembled with the electronic device; alternatively, the liquid crystal display module can be separated from the electronic device, and the liquid crystal display module can be in communication connection with the electronic device in a wired manner or a wireless manner.
302. The electronic device identifies whether the liquid crystal display module is in a dark environment, if so, step 303 is executed; if not, i.e. the electronic device is in a bright environment, go to step 304.
303. The electronic equipment automatically adjusts the brightness of the liquid crystal display screen according to the ambient illumination of the liquid crystal display module so as to protect eyes and reduce power consumption, and the process is ended.
When the liquid crystal display module is in a dark environment, the electronic equipment does not need to start human face and eye recognition.
304. The electronic device identifies the type of the image displayed by the liquid crystal display module, and if the type of the image is a dynamic image, step 305 is executed; if the frame type is static frame, go to step 313.
305. The electronic equipment detects whether the face information exists around the liquid crystal display module within a first specified time (such as 5 seconds), and if the face information exists, step 306 is executed; if no face information exists, step 310 to step 311 are executed.
306. The electronic equipment identifies whether the human eye characteristics exist in the human face information, and if the human eye characteristics do not exist in the human face information, the step 310 to the step 311 are executed; if the human eye features are present, go to step 307.
307. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within a second specified time (such as 10 seconds); wherein the second specified duration is greater than the first specified duration; if watching the liquid crystal display module, ending the process; if the liquid crystal display module is not watched, go to step 308-step 309.
That is, if the eye feature looks at the lcd module, the electronic device can maintain the normal display of the lcd module.
308. The electronic equipment reduces the backlight brightness of the liquid crystal display module.
309. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within the next second appointed time (such as 10 seconds), and if the human eye characteristics watch the liquid crystal display module, the process is ended; if the liquid crystal display module is not watched yet, step 312 is executed.
That is, if the eye feature looks at the lcd module, the electronic device can maintain the normal display of the lcd module.
310. The electronic equipment reduces the backlight brightness of the liquid crystal display module.
311. The electronic device detects whether there is face information around the liquid crystal display module within a next first specified time (e.g., 5 seconds), and if there is no face information, step 312 is executed; if the face information exists, the step 306 is returned to.
312. The electronic equipment controls the liquid crystal display module to screen, and the process is finished.
As an alternative implementation, after performing step 312, the electronic device may perform the following steps:
the electronic equipment determines whether a background of the electronic equipment runs a target application, and if so, judges whether the electronic equipment is in a non-charging state and the target application does not belong to a system application and the target application is not in a preset white list; the white list is used for recording applications allowing the service to be executed in the background; and if the electronic equipment is in a non-charging state and the target application does not belong to the system application and the target application is not in the preset white list, the electronic equipment prohibits the target application from executing the service in the background. By implementing the implementation mode, the non-inductive power consumption caused by the fact that a third party applies the service to the background can be saved, and the battery endurance of the electronic equipment is improved.
313. The electronic equipment detects whether the face information exists around the liquid crystal display module within a first specified time (such as 5 seconds), and if not, the steps 314 and 315 are executed; if so, step 316 is performed.
314. The electronic equipment reduces the backlight brightness and the frame frequency of the liquid crystal display module.
315. The electronic device detects whether there is face information around the liquid crystal display module within a next first specified time (e.g., 5 seconds), and if there is no face information, step 312 is executed; if the face information exists, go to step 316.
316. The electronic device identifies whether the human eye features exist in the human face information, and if not, step 314 is executed; if the human eye features are present, go to step 317.
317. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within a second specified time (such as 10 seconds); wherein the second specified duration is greater than the first specified duration; if watching the liquid crystal display module, ending the process; if the liquid crystal display module is not watched, go to step 318-step 319.
318. The electronic equipment reduces the backlight brightness and the frame frequency of the liquid crystal display module.
319. The electronic equipment detects whether the human eye characteristics watch the liquid crystal display module within the next second appointed time (such as 10 seconds), and if the human eye characteristics watch the liquid crystal display module, the process is ended; if the liquid crystal display module is not watched yet, step 312 is executed.
In the power consumption control method of the liquid crystal display module depicted in fig. 3, the electronic device can combine the face recognition technology and the human eye features to save the battery power of the electronic device more comprehensively, so that the battery endurance of the electronic device can be improved.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a power consumption control device of a liquid crystal display module disclosed in the embodiment of the present application. As shown in fig. 4, the power consumption control device of the lcd module may include a detecting unit 401 and a control unit 402:
the detecting unit 401 is configured to detect whether face information exists around the liquid crystal display module within a first specified time period if the liquid crystal display module is in a bright environment and displays a dynamic picture when the liquid crystal display module is in a display state, and trigger the control unit 402 to reduce backlight brightness of the liquid crystal display module if the face information does not exist around the liquid crystal display module within the first specified time period;
the detecting unit 401 is further configured to detect whether face information exists around the liquid crystal display module within a next first specified duration, and if the face information does not exist, the controlling unit 402 is triggered to control the liquid crystal display module to display information.
As an optional implementation manner, the power consumption control device of the liquid crystal display module further includes:
the identifying unit 403 is configured to identify whether human eye features exist in the face information if the liquid crystal display module is in a bright environment and displays a dynamic picture and the face information around the liquid crystal display module is detected within a first specified time period;
if the eye feature exists, the detecting unit 401 is further configured to detect whether the eye feature gazes at the liquid crystal display module within a second specified duration, where the second specified duration is longer than the first specified duration; if the eye feature is detected not to watch on the liquid crystal display module within the second designated time, the control unit 402 is triggered to reduce the backlight brightness of the liquid crystal display module;
and the detecting unit 401 is further configured to detect whether the eye feature gazes at the liquid crystal display module within a next second specified duration, and if the eye feature gazes at the liquid crystal display module, the controlling unit 402 is triggered to control the liquid crystal display module to turn on the screen.
As an alternative embodiment:
the detecting unit 401 is further configured to detect whether face information exists around the liquid crystal display module within a first specified time period if the liquid crystal display module is in a bright environment and displays a static picture when the liquid crystal display module is in a display state; if no human face information exists around the liquid crystal display module within the first specified time, the control unit 402 is triggered to reduce the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the face information exists around the liquid crystal display module within the next first specified time, and if the face information does not exist, triggering the control unit 402 to control the liquid crystal display module to display information.
As an alternative embodiment:
the identifying unit 403 is further configured to identify whether human eye features exist in the human face information if the liquid crystal display module is in a bright environment and displays a static picture and the human face information around the liquid crystal display module is detected within a first specified time period;
if the eye features exist, the detecting unit 401 is further configured to detect whether the eye features gaze at the liquid crystal display module within a second specified duration; if the eye features are detected not to watch on the liquid crystal display module within the second specified time, the control unit 402 is triggered to reduce the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the human eye characteristics watch on the liquid crystal display module within the next second designated time period, and if the human eye characteristics do not watch on the liquid crystal display module, triggering the control unit 402 to control the liquid crystal display module to display information.
In the power consumption control apparatus of the lcd module depicted in fig. 4, the electronic device can combine the face recognition technology and the human eye features to save the battery power of the electronic device more comprehensively, so as to improve the battery endurance of the electronic device.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an electronic device disclosed in the embodiment of the present application. As shown in fig. 5, the electronic apparatus includes:
a memory 501 in which executable program code is stored;
a processor 502 coupled with the memory;
the processor 502 calls the executable program code stored in the memory to execute all or part of the steps of the power consumption control method of any one of the liquid crystal display modules in fig. 1 to 3.
It should be noted that, in this embodiment of the application, the electronic device shown in fig. 5 may further include components that are not displayed, such as a speaker module, a display screen, a battery module, a wireless communication module (such as a mobile communication module, a WIFI module, a bluetooth module, and the like), a sensor module (such as a proximity sensor, and the like), an input module (such as a microphone, a key), and a user interface module (such as a charging interface, an external power supply interface, a card slot, a wired headset interface, and the like).
The embodiment of the invention discloses a computer readable storage medium, which is stored with computer instructions, and when the computer instructions are operated, the computer is caused to execute all or part of the steps of the power consumption control method of any one of the liquid crystal display modules in the figures 1-3.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by hardware instructions of a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM), or other Memory, such as a magnetic disk, or a combination thereof, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
The above detailed description is given to the power consumption control method and apparatus, the electronic device, and the storage medium of the liquid crystal display module disclosed in the embodiments of the present invention, and a specific example is applied in the present document to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A power consumption control method of a liquid crystal display module is characterized by comprising the following steps:
when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a dynamic picture, detecting whether human face information exists around the liquid crystal display module within a first specified time;
if the situation that the human face information does not exist around the liquid crystal display module is detected within the first specified time, the backlight brightness of the liquid crystal display module is reduced; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, controlling the liquid crystal display module to screen-turn.
2. The method of claim 1, further comprising:
if the liquid crystal display module is in a bright environment and displays a dynamic picture, and human face information is detected to exist around the liquid crystal display module within the first specified time, whether human eye features exist in the human face information is identified;
if the human eye characteristics exist, detecting whether the human eye characteristics watch the liquid crystal display module or not within a second specified time length, wherein the second specified time length is longer than the first specified time length;
if the human eye characteristics are detected not to be watched on the liquid crystal display module within a second specified time, reducing the backlight brightness of the liquid crystal display module;
and detecting whether the human eye characteristics watch the liquid crystal display module within the next second appointed time, and if the human eye characteristics do not watch the liquid crystal display module, controlling the liquid crystal display module to screen-turn.
3. The method for controlling power consumption of a liquid crystal display module according to claim 1 or 2, further comprising:
when the liquid crystal display module is in a display state, if the liquid crystal display module is in a bright environment and displays a static picture, detecting whether human face information exists around the liquid crystal display module within the first specified time;
if no human face information exists around the liquid crystal display module within the first specified time, reducing the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, controlling the liquid crystal display module to screen-turn.
4. The method of claim 3, further comprising:
if the liquid crystal display module is in a bright environment and displays a static picture, and the existence of human face information around the liquid crystal display module is detected within the first specified time, identifying whether human eye characteristics exist in the human face information;
if the human eye characteristics exist, detecting whether the human eye characteristics watch the liquid crystal display module or not within a second specified time;
if the human eye characteristics are detected not to watch the liquid crystal display module within a second specified time, reducing the backlight brightness and the frame frequency of the liquid crystal display module;
and detecting whether the human eye characteristics watch the liquid crystal display module within the next second appointed time, and if the human eye characteristics do not watch the liquid crystal display module, controlling the liquid crystal display module to screen-turn.
5. The utility model provides a power consumption control device of liquid crystal display module assembly which characterized in that, includes detecting unit and the control unit:
the detection unit is used for detecting whether face information exists around the liquid crystal display module within a first specified time period if the liquid crystal display module is in a bright environment and displays a dynamic picture when the liquid crystal display module is in a display state, and triggering the control unit to reduce the backlight brightness of the liquid crystal display module if the face information does not exist around the liquid crystal display module within the first specified time period;
the detection unit is further used for detecting whether face information exists around the liquid crystal display module within the next first specified time, and if the face information does not exist, the control unit is triggered to control the liquid crystal display module to screen-up.
6. The apparatus for controlling power consumption of a liquid crystal display module according to claim 5, further comprising:
the identification unit is used for identifying whether human eye characteristics exist in the human face information or not when the liquid crystal display module is in a bright environment and displays a dynamic picture and the human face information around the liquid crystal display module is detected within the first specified time;
if the human eye characteristics exist, the detection unit is further used for detecting whether the human eye characteristics watch the liquid crystal display module within a second specified time length, and the second specified time length is longer than the first specified time length; if the human eye characteristics are detected not to be watched on the liquid crystal display module within a second specified time, triggering the control unit to reduce the backlight brightness of the liquid crystal display module;
and the detection unit is also used for detecting whether the human eye characteristics watch the liquid crystal display module within the next second appointed time period, and if the human eye characteristics do not watch the liquid crystal display module, the control unit is triggered to control the liquid crystal display module to display information.
7. The power consumption control device of the liquid crystal display module according to claim 5 or 6, wherein:
the detection unit is further configured to detect whether face information exists around the liquid crystal display module within the first specified duration if the liquid crystal display module is in a bright environment and displays a static picture when the liquid crystal display module is in a display state; if no human face information exists around the liquid crystal display module within the first specified time, triggering the control unit to reduce the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the face information exists around the liquid crystal display module within the next first appointed time, and if the face information does not exist, triggering the control unit to control the liquid crystal display module to screen-up.
8. The apparatus for controlling power consumption of a liquid crystal display module according to claim 7, wherein:
the identification unit is further used for identifying whether human eye features exist in the human face information if the liquid crystal display module is in a bright environment and displays a static picture and the human face information around the liquid crystal display module is detected within the first specified time;
if the human eye characteristics exist, the detection unit is further used for detecting whether the human eye characteristics watch the liquid crystal display module within a second specified time; if the human eye characteristics are detected not to be watched on the liquid crystal display module within a second specified time, triggering the control unit to reduce the backlight brightness and the frame frequency of the liquid crystal display module; and detecting whether the human eye characteristics watch the liquid crystal display module or not in the next second appointed time period, and if the human eye characteristics do not watch the liquid crystal display module, triggering the control unit to control the liquid crystal display module to display information.
9. An electronic device, comprising:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute all or part of the steps of the power consumption control method of the liquid crystal display module set according to any one of claims 1-5.
10. A computer-readable storage medium, wherein the computer-readable storage medium has stored thereon computer instructions, which when executed, cause a computer to perform all or part of the steps of the power consumption control method for the liquid crystal display module according to any one of claims 1 to 5.
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