CN114299886A - Display control method and display - Google Patents
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- CN114299886A CN114299886A CN202111590888.5A CN202111590888A CN114299886A CN 114299886 A CN114299886 A CN 114299886A CN 202111590888 A CN202111590888 A CN 202111590888A CN 114299886 A CN114299886 A CN 114299886A
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- 230000001815 facial effect Effects 0.000 claims abstract description 13
- 230000004044 response Effects 0.000 claims abstract description 6
- 230000001502 supplementing effect Effects 0.000 claims description 13
- 239000013589 supplement Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The invention discloses a display control method and a display, wherein the method comprises the following steps: acquiring human body information in front of a display; determining whether a user exists in front of the display or not according to the human body information; responding to the situation that no user exists in front of the display, and enabling a backlight module of the display to be in a closed state; in response to a user being present in front of the display, obtaining user facial information; comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information; and if the user face information is not matched with the preset face information, enabling the backlight module to be in a closed state. By the scheme of the invention, electric energy is saved, and the service life of the display is prolonged.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a display control method and a display.
Background
With the rapid development of display technologies, displays are widely used in industrial control and commercial services, and power consumption, energy saving and service life of displays are continuously sought after to be extremely high.
The display mainly detects the presence or absence of video signals transmitted by the computer host in the process of long-term use, and then the display is powered on or performs display. If the host computer outputs the video signal all the time, the host computer does not enter the energy-saving state, and no matter whether someone is in front of the display or not, the display is always lightened. If no one is in front of the display and the display is always in the lit state, this will certainly waste power and reduce the lifetime of the display.
Disclosure of Invention
In view of this, the invention provides a display control method and a display, which solve the problem that a backlight module is always turned on when no person is in front of the display, save electric energy, and prolong the service life of the display.
Based on the above object, an aspect of the embodiments of the present invention provides a display control method, which specifically includes the following steps:
acquiring human body information in front of the display;
determining whether a user exists in front of the display or not according to the human body information;
responding to the situation that no user exists in front of the display, and enabling a backlight module of the display to be in a closed state;
in response to a user being present in front of the display, obtaining user facial information;
comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information;
and if the user face information is not matched with the preset face information, enabling the backlight module to be in a closed state.
In some embodiments, after the user face information is matched with the preset face information, before the backlight module is turned on, the control method further includes:
judging whether the display has signal input;
if the display has signal input, executing the step of enabling the backlight module to be in an open state;
and if the display has no signal input, directly enabling the backlight module to be in a closed state.
In some embodiments, after there is no user in front of the display, before the putting the backlight module into the off state, the control method further comprises:
acquiring the time length of the user which does not exist in front of the display;
comparing the duration with a preset duration;
if the duration is longer than the preset duration, executing the step of enabling the backlight module to be in a closed state;
and if the duration is less than the preset duration, directly enabling the backlight module to be in an open state.
In some embodiments, the display has a fill light device; after the user is present on the display and before the obtaining of the user face information, the control method further comprises:
and enabling the light supplementing device to be in an open state.
In some embodiments, after the user is present on the display, before the supplementary lighting device is turned on, the control method further includes:
obtaining the ambient brightness;
comparing the ambient brightness with a preset brightness;
if the ambient brightness is less than the preset brightness, the step of enabling the light supplementing device to be in an open state is executed;
and if the ambient brightness is greater than or equal to the preset brightness, enabling the light supplementing device to be in a closed state.
In another aspect of the embodiments of the present invention, there is also provided a display, including: the human body recognition system comprises a backlight module, a human body recognition module, a human face recognition module and a control module, wherein the control module is in communication connection with the human body recognition module, the human face recognition module and the backlight module;
the human body recognition module is configured to acquire human body information in front of a display and send the human body information to the control module;
the control module is configured to determine whether a user is present in front of the display according to the human body information;
when no user exists before the display, the control module is configured to enable the backlight module to be in a closed state;
the face recognition module is configured to acquire the face information of the user when the user exists in front of the display and send the face information of the user to the control module;
the control module is further configured to compare the user face information with preset face information;
when the user face information is matched with the preset face information, the control module is further configured to enable the backlight module to be in an open state;
when the user face information does not match the preset face information, the control module is further configured to enable the backlight module to be in a closed state.
In some embodiments, after the user face information is matched with the preset face information and before the backlight module is in the on state, the control module is further configured to determine whether a signal is input to the display.
In some embodiments, after the user does not exist in front of the display and before the backlight module is in the off state, the control module is further configured to obtain a duration that the user does not exist in front of the display, and compare the duration with a preset duration.
In some embodiments, the display further comprises:
the light supplementing device is in communication connection with the control module;
the control module is further configured to enable the light supplement device to be in an on state after a user exists on the display and before the user face information is acquired.
In some embodiments, the display further comprises a brightness acquisition module configured to acquire ambient brightness; the control module is further configured to compare the ambient brightness with a preset brightness, and to turn on the light supplement device when the ambient brightness is less than the preset brightness.
The invention has the following beneficial technical effects: determining whether a user exists in front of a display by acquiring human body information in front of the display; responding to the situation that no user exists in front of the display, and enabling a backlight module of the display to be in a closed state; in response to the presence of a user in front of the display, obtaining user facial information; comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information; if the user face information is not matched with the preset face information, the backlight module is in a closed state, electric energy is saved, and the service life of the display and the display backlight module is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a block diagram of a display control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
In view of the above objects, a first aspect of embodiments of the present invention proposes an embodiment of a display control method. As shown in fig. 1, it includes the following steps:
s101, acquiring human body information in front of the display;
s103, determining whether a user exists in front of the display or not according to the human body information;
s105, responding to the situation that no user exists in front of the display, and enabling the backlight module of the display to be in a closed state;
s107, responding to the situation that a user exists in front of the display, and acquiring face information of the user;
s109, comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information;
and S111, if the user face information is not matched with the preset face information, enabling the backlight module to be in a closed state.
The present embodiment will be described below in two display use scenarios.
One is that the display is in an open state.
Acquiring human body information in front of a display to determine whether a user exists in front of the display; responding to the situation that no user exists in front of the display, and enabling a backlight module of the display to be in a closed state; in response to the presence of a user in front of the display, obtaining user facial information; comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information; and if the user face information is not matched with the preset face information, the backlight module is in a closed state.
Secondly, the display is in the off state.
Acquiring human body information in front of a display to determine whether a user exists in front of the display; responding to the situation that no user exists in front of the display, and keeping a backlight module of the display in a closed state; in response to the presence of a user in front of the display, obtaining user facial information; comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information; if the user face information is not matched with the preset face information, the backlight module is kept in a closed state.
According to the embodiment, the backlight module is controlled to be opened only when the user exists in front of the display and the facial information of the user is consistent with the preset facial information, and the backlight module is in the closed state under the other conditions, so that the electric energy is saved, and the service life of the display backlight module are prolonged.
In some embodiments, after the user face information is matched with the preset face information, before the backlight module is turned on, the control method further includes:
judging whether the display has signal input;
if the display has signal input, executing the step of enabling the backlight module to be in an open state;
and if the display has no signal input, directly enabling the backlight module to be in a closed state.
Specifically, in step S109, the following steps are specifically included:
if the user face information is matched with the preset face information, judging whether a signal is input into the display;
if the display has signal input, step S109 is executed to make the backlight module in the open state;
if the display has no signal input, the backlight module is directly in a closed state.
Whether the display has signal input or not is further judged by matching the user facial information with the preset facial information, the backlight module is controlled to be opened when the signal is input, otherwise, the backlight module is in a closed state, the electric energy is further saved, and the service life of the backlight module is prolonged.
The signal input to the display includes a signal input through an external device connected to the display, such as a keyboard, a mouse, or the like, or a touch signal received by the display itself, or the like.
In some embodiments, after there is no user in front of the display, before the putting the backlight module into the off state, the control method further comprises:
acquiring the time length of the user which does not exist in front of the display;
comparing the duration with a preset duration;
if the duration is longer than the preset duration, executing the step of enabling the backlight module to be in a closed state;
and if the duration is less than the preset duration, directly enabling the backlight module to be in an open state.
Specifically, in step S105, the method specifically includes the following steps:
responding to the situation that no user exists in front of the display, and acquiring the duration of the user which does not exist in front of the display;
comparing the duration with a preset duration;
if the duration is longer than the preset duration, executing the step of closing the backlight module in the step S105;
and if the duration is less than the preset duration, directly enabling the backlight module to be in an open state.
The present implementation is described below in two display scenarios.
Firstly, when there is not the user before the display, the backlight unit of display is in the open mode. At the moment, the time length of the absence of the user before the display is obtained, the time length of the absence of the user before the display is compared with the preset time length, and if the time length is greater than the preset time length, the backlight module is in a closed state; and if the duration is less than the preset duration, directly enabling the backlight module to be in an open state.
And secondly, when no user exists in front of the display, the backlight module of the display is in a closed state. At this time, the closing state of the backlight module is maintained.
The preset time length can be set by a user in a self-defined mode and can be 1min, 3min, 5min and the like.
In some embodiments, the display has a fill light device; after the user is present on the display and before the obtaining of the user face information, the control method further comprises:
and enabling the light supplementing device to be in an open state.
Specifically, if it exists to detect someone, in order to prevent that the light of current environment is not enough, can open the light filling device, increase current ambient brightness to acquire clearer facial information.
In some embodiments, after the user is present on the display, before the supplementary lighting device is turned on, the control method further includes:
obtaining the ambient brightness;
comparing the ambient brightness with a preset brightness;
if the ambient brightness is less than the preset brightness, the step of enabling the light supplementing device to be in an open state is executed;
and if the ambient brightness is greater than or equal to the preset brightness, enabling the light supplementing device to be in a closed state.
According to the method, when a user exists in front of the display, the brightness of the current environment is obtained at first, and whether the light supplementing device is turned on or not is judged based on the light condition of the current environment, so that electric energy is further saved.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 2, an embodiment of the present invention further provides a display including: the human face recognition system comprises a backlight module 110, a human body recognition module 120, a human face recognition module 130 and a control module 140, wherein the control module 140 is in communication connection with the human body recognition module 120, the human face recognition module 130 and the backlight module 110;
the human body recognition module 120 is configured to acquire human body information in front of a display and send the human body information to the control module 140;
the control module 140 is configured to determine whether a user is present in front of the display according to the human body information;
when there is no user before the display, the control module 140 is configured to make the backlight module 110 in an off state;
a face recognition module 130 configured to acquire the user face information when a user exists in front of a display, and send the user face information to the control module 140;
the control module 140 is further configured to compare the user face information with preset face information;
when the user face information matches the preset face information, the control module 140 is further configured to turn on the backlight module;
when the user face information does not match the preset face information, the control module 140 is further configured to turn off the backlight module.
Specifically, the human body recognition module may select a digital human body infrared sensing chip, for example, a human body infrared sensing chip with a model of AS085, the human face recognition module may select a human face recognition sensor, for example, a human face recognition sensor with a model of NT99230, and the control module may select a control chip with a model of STDP 9320.
According to the embodiment, the backlight module is controlled to be opened only when the user exists in front of the display and the facial information of the user is consistent with the preset facial information, and the backlight module is in the closed state under the other conditions, so that the electric energy is saved, and the service life of the display backlight module are prolonged.
In some embodiments, after the user face information is matched with the preset face information and before the backlight module is in the on state, the control module is further configured to determine whether a signal is input to the display.
In some embodiments, after the user does not exist in front of the display and before the backlight module is in the off state, the control module is further configured to obtain a duration that the user does not exist in front of the display, and compare the duration with a preset duration.
In some embodiments, the display further comprises:
the light supplementing device is in communication connection with the control module;
the control module is further configured to enable the light supplement device to be in an on state after a user exists on the display and before the user face information is acquired.
In some embodiments, the display further comprises a brightness acquisition module configured to acquire ambient brightness; the control module is further configured to compare the ambient brightness with a preset brightness, and to turn on the light supplement device when the ambient brightness is less than the preset brightness.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A display control method, comprising:
acquiring human body information in front of a display;
determining whether a user exists in front of the display or not according to the human body information;
responding to the situation that no user exists in front of the display, and enabling a backlight module of the display to be in a closed state;
in response to a user being present in front of the display, obtaining user facial information;
comparing the user face information with preset face information, and enabling the backlight module to be in an open state if the user face information is matched with the preset face information;
and if the user face information is not matched with the preset face information, enabling the backlight module to be in a closed state.
2. The control method according to claim 1, wherein before the backlight module is brought into an on state after the user face information matches the preset face information, the control method further comprises:
judging whether the display has signal input;
if the display has signal input, executing the step of enabling the backlight module to be in an open state;
and if the display has no signal input, directly enabling the backlight module to be in a closed state.
3. The control method according to claim 1, wherein after the user is not present in front of the display, before the turning off the backlight module, the control method further comprises:
acquiring the time length of the user which does not exist in front of the display;
comparing the duration with a preset duration;
if the duration is longer than the preset duration, executing the step of enabling the backlight module to be in a closed state;
and if the duration is less than the preset duration, directly enabling the backlight module to be in an open state.
4. The control method according to any one of claims 1 to 3, wherein the display has a light supplement device; after the user is present on the display and before the obtaining of the user face information, the control method further comprises:
and enabling the light supplementing device to be in an open state.
5. The control method according to claim 4, wherein after the user is present on the display, before the supplementary lighting device is turned on, the control method further comprises:
obtaining the ambient brightness;
comparing the ambient brightness with a preset brightness;
if the ambient brightness is less than the preset brightness, the step of enabling the light supplementing device to be in an open state is executed;
and if the ambient brightness is greater than or equal to the preset brightness, enabling the light supplementing device to be in a closed state.
6. A display, comprising: the human body recognition system comprises a backlight module, a human body recognition module, a human face recognition module and a control module, wherein the control module is in communication connection with the human body recognition module, the human face recognition module and the backlight module;
the human body recognition module is configured to acquire human body information in front of a display and send the human body information to the control module;
the control module is configured to determine whether a user is present in front of the display according to the human body information;
when no user exists before the display, the control module is configured to enable the backlight module to be in a closed state;
the face recognition module is configured to acquire the face information of the user when the user exists in front of the display and send the face information of the user to the control module;
the control module is further configured to compare the user face information with preset face information;
when the user face information is matched with the preset face information, the control module is further configured to enable the backlight module to be in an open state;
when the user face information does not match the preset face information, the control module is further configured to enable the backlight module to be in a closed state.
7. The display of claim 6, wherein after the user face information matches the preset face information, the control module is further configured to determine whether a signal is input to the display before the backlight module is turned on.
8. The display according to claim 6, wherein after the user is not present in front of the display and before the backlight module is turned off, the control module is further configured to obtain a duration of time during which the user is not present in front of the display, and compare the duration of time with a preset duration of time.
9. The display according to any one of claims 6 to 8, wherein the display further comprises:
the light supplementing device is in communication connection with the control module;
the control module is further configured to enable the light supplement device to be in an on state after a user exists on the display and before the user face information is acquired.
10. The display of claim 9, further comprising a brightness acquisition module configured to acquire ambient brightness; the control module is further configured to compare the ambient brightness with a preset brightness, and to turn on the light supplement device when the ambient brightness is less than the preset brightness.
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| CN202111590888.5A CN114299886A (en) | 2021-12-23 | 2021-12-23 | Display control method and display |
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| CN202111590888.5A CN114299886A (en) | 2021-12-23 | 2021-12-23 | Display control method and display |
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Application publication date: 20220408 |