CN103533272A - Display device and operating method thereof - Google Patents
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- CN103533272A CN103533272A CN201310515820.XA CN201310515820A CN103533272A CN 103533272 A CN103533272 A CN 103533272A CN 201310515820 A CN201310515820 A CN 201310515820A CN 103533272 A CN103533272 A CN 103533272A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
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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
- G06F1/3231—Monitoring the presence, absence or movement of users
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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
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4223—Cameras
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- General Health & Medical Sciences (AREA)
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- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a display device and an operating method thereof so as to solve the problem that the display device cannot automatically enter a sleep mode, and save energy. The display device comprises a display panel, a backlight module, an image acquisition unit and a control unit, wherein the image acquisition unit is used for acquiring a user image in real time and transmitting the user image to the control unit; and the control unit is used for receiving the user image and analyzing the user image to determine user state information, and when the user state information meets the preset conditions, the display device is controlled to enter a power-saving state.
Description
Technical field
The present invention relates to Display Technique field, relate in particular to a kind of display unit and method of work thereof.
Background technology
User is in a kind of relaxation state when watching TV, and people in relaxation state is easy to fall asleep; If user gradually enters sleep state in watching the process of TV, and TV is also continuing broadcasting, not only can have influence on user's rest, also can cause the waste of the energy.
In prior art, user can freely open or the sleep function of closing television, as shown in Figure 1.TV, when not in sleep pattern, is carried out normal running.TV arranges an initial condition and starts timing by timer when entering sleep pattern, after a period of time, timer time arrives at predetermined sleep pattern time T 1, if system does not detect user key-press input during this period, automatically television sound volume and brightness are reduced; After this through timer after a while, arrive at another predetermined sleep pattern time T 2 again, if system does not detect user key-press input during this period, again automatically television sound volume and brightness are reduced.So after several volume and brightness progressively reduce stage by stage, if user key-press input, the automatic closing television of system do not detected yet.
But whether above-mentioned TV needs to enter sleep pattern is to carry out by user's button operation, can not automatically enter sleep state according to the variation of external condition; When TV is not during in sleep pattern, if user has entered sleep state, TV can continue to play, and not only can affect user and have a rest, and also can cause energy waste; Or when TV enters after sleep pattern, if timer time arrives at the predetermined sleep pattern time, user is also in waking state, user needs input key can continue normally to watch so, affects user's the impression of watching.
Summary of the invention
The embodiment of the present invention provides a kind of display unit and method of work thereof, can not certainly be advanced into the problem of sleep pattern, energy savings in order to solve display unit.
The embodiment of the present invention provides a kind of display unit, and described display unit comprises display floater and backlight module, and described display unit also comprises image acquisition units and control unit; Wherein,
Described image acquisition units is used for Real-time Collection user images, and user images is transferred to control unit;
Described control unit is used for receiving user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
In above-mentioned display unit, be provided with image acquisition units and control unit, described image acquisition units is used for Real-time Collection user images, and described user images is transferred to control unit; Described control unit is for receiving the user images from image acquisition units, and by the user images receiving is analyzed, and then definite user state information, when user state information meets when pre-conditioned, control described display device entering electricity-saving state, described display unit can judge whether to enter power down mode according to detected user state information voluntarily, do not need user's input key to set, guarantee not affect user's rest, also help minimizing energy waste simultaneously.
Preferably, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user.User is when normally watching program, user is nictation constantly, distance during nictation between upper palpebra inferior will change with the ratio of face, and user after sleeping on distance between palpebra inferior and this user's the ratio of face's length be generally constant or variation very little.Therefore,, by the situation of change of the ratio of face's length of the distance between palpebra inferior and this user on observation user, can determine that whether user is sleeping, and then determine whether described display unit will enter power down mode.
Preferably, described control unit is used for by described user images is analyzed, determine the ratio of face's length of distance between the upper palpebra inferior of user and this user, when the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range, described control unit sends shutdown signal to display floater and backlight module, close described display floater and backlight module, make described display unit enter sleep pattern.Under described sleep pattern, described control unit and image acquisition units are still in running order.By closing described display floater and backlight module, can reach the object of avoiding affecting user's rest and reducing energy waste.
Preferably, described control unit, also for entering after sleep pattern in described display unit, when user state information being detected and change, to display floater and backlight module, send start signal, open described display floater and backlight module, make described display unit enter normal play mode, and then make user after waking up, not need just can continue to watch current program by any key-press input.
Preferably, when user state information meets when pre-conditioned, described control unit is also closed automatically for controlling the power supply of described display unit, and described display unit is closed, and avoids affecting user and has a rest, and can also avoid energy waste simultaneously.
The embodiment of the present invention provides a kind of method of work of above-mentioned display unit, and described method comprises:
When described display floater, backlight module, control unit and image acquisition units are in running order,
Described image acquisition units Real-time Collection user images, and user images is transferred to control unit;
Described control unit receives user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
In said method, by described image acquisition units Real-time Collection user images, and described user images is transferred to control unit, then by described control unit, the user images receiving is analyzed and definite user state information, when user meets when pre-conditioned, described control unit is controlled described display device entering electricity-saving state.By said method, display unit can not need user to set according to user state information from being advanced into power down mode, can not affect user's rest, can also reduce energy waste simultaneously.
Preferably, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user;
Described control unit receives user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state, comprising:
Described control unit receives user images, by described user images being carried out to the ratio of face's length of distance between the upper palpebra inferior of Analysis deterrmination user and this user, when the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range, described control unit sends shutdown signal to display floater and backlight module, close described display floater and backlight module, make described display unit enter sleep pattern.
Because user is when watching program, the ratio of face's length of the distance between upper palpebra inferior and this user is constantly to change, and user after sleeping on distance between palpebra inferior and this user's the ratio of face's length generally do not change or change very little.Therefore, by the situation of change of the ratio of face's length of the distance between palpebra inferior and this user on observation user, can determine that whether user is sleeping, and then determine whether described display unit will enter sleep state, can avoid user's rest to impact, can also reduce energy waste simultaneously.
Preferably, described method also comprises: in described display unit, enter after sleep pattern, when user state information being detected and change, described control unit sends start signal to display floater and backlight module, open described display floater and backlight module, make described display unit enter normal play mode.Under described sleep pattern, described control unit and image acquisition units are still in running order, can continue to gather user images and Analysis deterrmination user state information, when user state information being detected and change, described control unit sends start signal to display floater and backlight module, open described display floater and backlight module, make described display unit enter normal play mode, and then make user by key-press input, just can not understand current broadcast state after waking up.
Preferably, described method also comprises: when user state information meets when pre-conditioned, described control unit is controlled the power supply of described display unit and automatically closed, and whole described display unit is closed, not only can avoid affecting user and have a rest, can also avoid energy waste simultaneously.
Accompanying drawing explanation
Fig. 1 is the method for work schematic flow sheet of display unit in prior art;
The structural representation of a kind of display unit that Fig. 2 provides for the embodiment of the present invention;
The method of work schematic flow sheet of a kind of display unit that Fig. 3 provides for the embodiment of the present invention;
The method of work schematic flow sheet of the another kind of display unit that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of display unit and method of work thereof, can not certainly be advanced into the problem of sleep pattern, energy savings in order to solve display unit.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.
The embodiment of the present invention provides a kind of display unit, and described display unit comprises display floater and backlight module, and described display unit also comprises image acquisition units and control unit; Wherein, described image acquisition units is used for Real-time Collection user images, and user images is transferred to control unit; Described control unit is used for receiving user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
Referring to Fig. 2, the display unit that the embodiment of the present invention one provides comprises: display floater 201, backlight module 202, image acquisition units 203 and control unit 204;
Described display floater 201, shows for realizing image.
Described backlight module 202, is used to described display unit that backlight is provided;
Described image acquisition units 203, for Real-time Collection user images, and is transferred to described control unit 204 by described user images;
Described control unit 204, for receiving the user images from image acquisition units 203, by described user images is analyzed, determines user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
When user enters sleep state or leaves after the scope that can watch, above-mentioned display unit can and enter power down mode automatically according to detected user state information judgement, do not need user to set, avoid affecting user and have a rest, can also reduce energy waste simultaneously.
The mode of operation of described display unit comprises: normal play mode and sleep pattern; Under described normal play mode, described display floater 201, backlight module 202, image acquisition units 203 and control unit 204 are all in running order; Under described sleep pattern, described display floater 201 and backlight module 202 are closed, and described image acquisition units 203 and control unit 204 still keep operating state.
In the embodiment of the present invention, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user.In general, user is when watching program, user is nictation constantly, and distance during nictation between upper palpebra inferior will change with the ratio of face, and user sleeping rear on distance between palpebra inferior and the ratio of face generally can not change or change very little.Therefore, by the situation of change of the ratio of face's length of the distance between palpebra inferior and this user on observation user, just can determine that whether user is sleeping, and then determine whether described display unit needs to enter power down mode.
The user images that described control unit 204 receives from image acquisition units 203, determines the ratio of face's length of distance between the upper palpebra inferior of user and this user.The ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range [0, A1], or the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range (A1, A2] time, think that user has entered sleep state, otherwise, think the state of user in watching;
For example, in two minutes, the ratio of the distance in the user images collecting between the upper palpebra inferior of user and face's length of this user all belongs to preset range [0, A1], or the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range (A1, A2] time, think that user has entered sleep state; Contrary, if in two minutes, a ratio part for the distance in the user images collecting between the upper palpebra inferior of user and face's length of this user belongs to preset range [0, A1], and another part belong to preset range (A1, A2], think that user is in waking state.
Wherein, when described ratio is less than or equal to A1, think that this user's eyes are closed, when described ratio is greater than A1, think that this user's eyes are opened, A2 is the ratio of the ultimate range Yu Gai user face length between the upper palpebra inferior of this user; General, face's length of people is about 20cm, and the distance of opening between the eyelid of state is about 1cm, and therefore the numerical value of described A1 and A2 is respectively 1/100 and 1/20.In addition, the numerical value of described A1 and A2 also can be set according to self face's situation by user.
In addition, described user state information can also be other information, for example distance between the upper palpebra inferior of user, or user's ocular area etc.
For example, described control unit 204 can also be by carrying out Analysis deterrmination user's ocular area to user images, user's ocular area in continuous multiple frames image, all belong to preset range [0, B1], or user's ocular area all belongs to preset range (B1 in continuous multiple frames image, B2] time, think that user has entered sleep state, otherwise, think the state of user in watching;
In three minutes, ocular area in the user images collecting on user all belongs to preset range [0, B1], or user's ocular area all belongs to preset range (B1 in continuous multiple frames image, B2] time, think that user has entered sleep state; Contrary, if in two minutes, in the user images collecting, user's an ocular area part belongs to preset range [0, B1], and another part belong to preset range (B1, B2] time, think that user is in waking state;
Wherein, when described user's ocular area is less than or equal to B1, think that this user's eyes are closed, when described user's ocular area is greater than B1, think that this user's eyes are opened; Described B2 is the maximum of this user's ocular area; General, described B1 is 10
-5square metre, described B2 is 10
-4square metre.In addition, the numerical value of described B1 and B2 also can be set according to s own situation by user.
Described control unit 204 can also be by carrying out the ratio of Analysis deterrmination user's ocular area and face's area of this user to user images, and then definite current user state information, when user state information meets when pre-conditioned, control described display device entering electricity-saving state.The method of the described ratio by user's ocular area and face's area of this user and then definite current user state information and above-mentioned to go up distance between palpebra inferior and this user's the ratio of face's length and then the method for definite current user state by user identical repeats no more herein.
When definite user enters after sleep state, described control unit 204 sends shutdown signal to display floater 201 and backlight module 202, closes described display floater 201 and backlight module 202, makes described display unit enter sleep pattern; Under described sleep pattern, can avoid brightness and sound that user is had a rest and impacted, can also reduce energy waste simultaneously.
In described display unit, enter after sleep pattern, described image acquisition units 203 and control unit 204 are still in running order, described image acquisition units 203 continues gather user images and be transferred to control unit 204, described control unit 204 can continue to receive the user images from image acquisition units 203, and received user images is analyzed, determine the ratio of face's length of distance between user's upper palpebra inferior and this user, and determine current user state information.
In described display unit, enter after sleep pattern, when described control unit 204 detects user state information and changes, described control unit 204 is also for sending start signal to display floater 201 and backlight module 202, open described display floater 201 and backlight module 202, make described display unit enter normal play mode, and then make user can by any operation, just can not see the broadcast state of current program after waking up.
After user state information being detected and changing, described control unit 204 is also for first carrying out zero clearing by the record of the user state information to before changing, and whether the user state information of being convenient to like this after described control unit 204 judgements change meets pre-conditioned.
The embodiment of the present invention two also provides another kind of display unit, described display unit is identical with the display device structure described in Fig. 2, both difference parts are, in the display unit that the embodiment of the present invention two provides, when user state information meets when pre-conditioned, described control unit 204 is closed automatically for controlling the power supply of described display unit, and then described whole display unit is closed.The power-off of described display unit, represent described display floater 201, backlight module 202, image acquisition units 203 and control unit 204 Close Alls, therefore, compare with the display unit that embodiment mono-provides, implement two display unit that provide more energy-conservation, but this display unit can not continue to detect user state information after powered-down, can not realize the function that automatically enters normal play mode after user wakes up.
In above-mentioned display unit, be provided with image acquisition units and control unit, described image acquisition units is used for Real-time Collection user images, and described user images is transferred to control unit; Described control unit receives the user images from image acquisition units, and carries out Analysis deterrmination user state information by the user images to received, and when user meets when pre-conditioned, controls described display device entering electricity-saving state.Described display unit does not need user to set, and can automatically enter power down mode according to user state information, avoids affecting user's rest, has reduced energy waste, has also improved user's impression simultaneously.
The embodiment of the present invention provides a kind of method of work of display unit, and described method comprises:
When described display floater, backlight module, control unit and image acquisition units are in running order,
Described image acquisition units Real-time Collection user images, and user images is transferred to control unit;
Described control unit receives user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
In said method, by described image acquisition units Real-time Collection user images, and described user images is transferred to control unit, then by described control unit, the user images receiving is analyzed and definite user state information, when user meets when pre-conditioned, described control unit is controlled described display device entering electricity-saving state.By said method, display unit can judge whether to enter power down mode according to detected user state information voluntarily, does not need user's input key to set, and guarantees not affect user's rest, also helps minimizing energy waste simultaneously.
Preferably, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user;
Described control unit receives user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state, comprising:
Described control unit receives user images, by described user images being carried out to the ratio of face's length of distance between the upper palpebra inferior of Analysis deterrmination user and this user, when the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range, described control unit sends shutdown signal to display floater and backlight module, close described display floater and backlight module, make described display unit enter sleep pattern.
Further, described method also comprises: in described display unit, enter after sleep pattern, when user state information being detected and change, described control unit sends start signal to display floater and backlight module, open described display floater and backlight module, make described display unit enter normal play mode, and then make user by key-press input, just can not understand current broadcast state after waking up.
When user state information meets when pre-conditioned, described control unit can also be controlled the power supply of described display unit and automatically close, and whole described display unit is closed, and can effectively avoid affecting user and have a rest, and can also reduce energy waste simultaneously.
The embodiment of the present invention three provides a kind of method of work of display unit, and referring to Fig. 3, the display unit that the embodiment of the present invention one of take provides is example, the method for work of the display unit that detailed description the invention process provides, and described method comprises:
The first step 301, opens described display unit, makes described display floater 201, backlight module 202, image acquisition units 203 and control unit 204 in running order.
The 3rd step 303, the user images that described control unit 204 receives from image acquisition units 203, calculates the ratio of the distance between the upper palpebra inferior of user and face's length of this user in each two field picture definite current user state information; Wherein, the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range [0, A1], or the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range (A1, A2] time, think that user has entered sleep state; Otherwise, think the state of user in watching.
The 4th step 304, when definite user has entered sleep state, described control unit 204 sends shutdown signal to display floater and backlight module, closes described display floater and backlight module, makes described display unit enter sleep pattern; Otherwise described display unit keeps normal play state.
Further, above-mentioned display unit enters after sleep pattern, and described image acquisition units 203 and control unit 204 are still in normal operating conditions.When user state information again being detected and change, described control unit 204 sends start signal to described display floater 201 and backlight module 202, open described display floater 201 and backlight module 202, make described display unit enter normal play mode.
Above-mentioned for realizing the method for intelligent sleep function, described display unit can judge whether to enter sleep state according to detected user state information voluntarily, thereby can avoid user's rest to impact, and can also reduce energy waste simultaneously.In addition, user does not need to carry out any key-press input after waking up, and described device, according to detected user state information, can enter normal play mode automatically, is convenient to the broadcasting situation that user understands current program, has improved user's impression.
The embodiment of the present invention four also provides the method for work of another kind of display unit, and referring to Fig. 4, the display unit that the embodiment of the present invention two of take provides is example, the method for work of the display unit that detailed description the invention process provides, and described method comprises:
The first step 401, opens described display unit, makes described display floater 201, backlight module 202, image acquisition units 203 and control unit 204 in running order.
The 3rd step 403, control unit 204 receives the user images from image acquisition units 203, calculates the ratio of the distance between the upper palpebra inferior of user and face's length of this user in each two field picture, and definite current user state information; Wherein, the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range [0, A1], or the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user does not all belong to preset range (A1, A2] time, think that user has entered sleep state; Otherwise, think the state of user in watching.
The 4th step 404, when definite user has entered sleep state, the power supply that described control unit 204 is controlled described display unit is closed automatically, and whole described display unit is closed; Otherwise described display unit maintains normal play state.
In the method that the embodiment of the present invention four provides, described display unit can judge whether to enter sleep state according to user state information equally voluntarily, can effectively avoid sound and brightness to impact user's rest, and can also avoid energy waste.
To sum up, image acquisition units and control unit are set in the display unit that the embodiment of the present invention provides, by described image acquisition units Real-time Collection user images, and described user images are transferred to control unit; Described control unit user receives described user images, by described user images is carried out to Analysis deterrmination user state information, when described user state information meets when pre-conditioned, control described display device entering electricity-saving state, automatically open sleep pattern or automatically close display unit, not needing any key-press input of user, avoiding affecting user's rest, improved user's impression, simultaneously can also energy savings.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. a display unit, described display unit comprises display floater and backlight module, it is characterized in that, described display unit also comprises image acquisition units and control unit; Wherein,
Described image acquisition units is used for Real-time Collection user images, and user images is transferred to control unit;
Described control unit is used for receiving user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
2. display unit as claimed in claim 1, is characterized in that, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user.
3. display unit as claimed in claim 2, is characterized in that,
Described control unit, be used for by described user images is analyzed, determine the ratio of face's length of distance between the upper palpebra inferior of user and this user, when the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range, to display floater and backlight module, send shutdown signal, close described display floater and backlight module, make described display unit enter sleep pattern.
4. display unit as claimed in claim 3, is characterized in that,
Described control unit, also for entering after sleep pattern in described display unit, when user state information being detected and change, to described display floater and backlight module, send start signal, open described display floater and backlight module, make described display unit enter normal play mode.
5. display unit as claimed in claim 3, is characterized in that, when user state information meets when pre-conditioned, described control unit is also closed automatically for controlling the power supply of described display unit.
6. a method of work for the display unit described in the arbitrary claim of claim 1～5, is characterized in that, described method comprises:
When described display floater, backlight module, control unit and image acquisition units are in running order, described image acquisition units Real-time Collection user images, and user images is transferred to control unit;
Described control unit receives user images, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state.
7. method as claimed in claim 6, is characterized in that, described user state information comprises the ratio of face's length of distance between the upper palpebra inferior of user and this user;
Described control unit receives graphical user, by user images is carried out to Analysis deterrmination user state information, when user state information meets when pre-conditioned, controls described display device entering electricity-saving state, comprising:
Described control unit receives user images, by described user images being carried out to the ratio of face's length of distance between the upper palpebra inferior of Analysis deterrmination user and this user, when the ratio of the distance in continuous multiple frames image between the upper palpebra inferior of user and face's length of this user all belongs to preset range, to display floater and backlight module, send shutdown signal, close described display floater and backlight module, make described display unit enter sleep pattern.
8. method as claimed in claim 7, is characterized in that, described method also comprises: in described display unit, enter after sleep pattern, and when user state information being detected and change,
Described control unit sends start signal to display floater and backlight module, opens described display floater and backlight module, makes described display unit enter normal play mode.
9. method as claimed in claim 7, is characterized in that, described method also comprises: when user state information meets when pre-conditioned, described control unit is controlled the power supply of described display unit and automatically closed.
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| CN201310515820.XA CN103533272B (en) | 2013-10-28 | 2013-10-28 | A kind of display device and its method of work |
| PCT/CN2014/000541 WO2015062159A1 (en) | 2013-10-28 | 2014-05-29 | Display device and operating method thereof |
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| CN201310515820.XA CN103533272B (en) | 2013-10-28 | 2013-10-28 | A kind of display device and its method of work |
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| CN103533272A true CN103533272A (en) | 2014-01-22 |
| CN103533272B CN103533272B (en) | 2017-03-29 |
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| WO (1) | WO2015062159A1 (en) |
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Also Published As
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| WO2015062159A1 (en) | 2015-05-07 |
| CN103533272B (en) | 2017-03-29 |
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