CN106851403A - Display device and content safety player method - Google Patents
Display device and content safety player method Download PDFInfo
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- CN106851403A CN106851403A CN201710109340.1A CN201710109340A CN106851403A CN 106851403 A CN106851403 A CN 106851403A CN 201710109340 A CN201710109340 A CN 201710109340A CN 106851403 A CN106851403 A CN 106851403A
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- display screen
- display
- light path
- image
- output light
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000004044 response Effects 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000011514 reflex Effects 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 abstract 1
- 230000006870 function Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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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
- H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
- H04N21/4415—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
Abstract
The present invention provides a kind of display device, including control unit, memory cell, display control unit and display screen.Control unit is electrically connected to memory cell and display control unit.Display control unit is electrically connected to display screen.Memory cell is used to store content source to be played.Display device also includes image unit.Image unit is electrically connected to control unit and memory cell.Image unit shoots the image on the output light path of display screen and stores to memory cell.Control unit judges on the output light path of display screen with the presence or absence of people according to image, and when there is people, response playing request and reading of content source and generation display signal from memory cell, content source is played with control display screen, and when in the absence of people, be not responding to playing request and forbid playing content source.The present invention also provides a kind of content safety player method.The present invention just responds playing request when only detecting human eye, prevents from replacing human eye to copy illegally with picture pick-up device.
Description
Technical field
The present invention relates to a kind of display device and player method, more particularly to a kind of display of the broadcasting pictures that prevent from copying illegally is filled
Put and content safety player method.
Background technology
Existing display device, for example, mobile phone, panel computer or display device etc., can provide easily content and play,
The content played including but not limited to film, TV or document.So, existing display device cannot prevent the side by recording a video
Formula is come broadcasting pictures of copying illegally so that the interests of content production business receive the infringement of illegal pirated disc copier.
The content of the invention
The present invention provides a kind of display device and content safety player method, to solve the above problems.
A kind of display device, including controller, memory cell, display control unit and display screen, the controller difference
The memory cell and the display control unit are electrically connected to, the display control unit is electrically connected to the display screen, institute
Memory cell is stated for storing content source to be played, wherein, the display device also includes image unit, the image unit
The controller and the memory cell are electrically connected to, the image unit is used to shoot on the output light path of the display screen
The image of subject is simultaneously stored to the memory cell, after the controller response playing request, is judged according to the image
On the output light path of the display screen whether someone, the controller on the output light path of the display screen during someone, from institute
State and read in memory cell the content source and generation display signal, the display control unit is according to the display signal control
The display screen plays the content source, when the controller does not exist people on the output light path of the display screen, is not responding to
The playing request is without playing the content source.
The present invention also provides a kind of content safety player method.The content safety player method is applied to display device
On, the display device includes display screen and memory cell, and the memory cell is used to store content source to be played, the side
Method includes：Receive a playing request；Shoot the image of the subject on the output light path of the display screen and store to described
Memory cell；Judged to whether there is people on the output light path of the display screen according to the image；In the output of the display screen
When there is people in light path, respond the playing request and the content source and generation display letter are read from the memory cell
Number, and control the display screen to play the content source according to the display signal；And on the output light path of the display screen
During in the absence of people, the playing request is not responding to without playing the content source.
The judgement that the present invention passes through the human eye on the output light path to the display screen, it is ensured that institute is played when someone watches
Content source is stated, when no one watches or replaces human eye with video equipment, the playing request is not responded to and is not played described
Content source, is prevented effectively from the content source and is copied illegally when playing, and protects the interests of content production business.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the construction module schematic diagram of the display device of the embodiment of the present invention.
Fig. 2 is the structural representation of the display device of one embodiment of the invention.
Fig. 3 is the structural representation of the display device of another embodiment of the present invention.
Fig. 4 is the structural representation of the display device of further embodiment of this invention.
Fig. 5 is the schematic flow sheet of the content safety player method of the embodiment of the present invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described to the technical scheme in the embodiment of the present invention.It should be noted that not rushing
In the case of prominent, the feature in embodiments herein and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, and described embodiment is only
It is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
All other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of body ground embodiment, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
It should be noted that when a component is considered as " connection " another component, it can be directly to separately
One component may be simultaneously present component placed in the middle.
Fig. 1 is the schematic diagram of the display device 100 of one embodiment of the invention.The display device 100 is that one kind can be by
According to the instruction being previously set or store, the equipment that numerical computations and/or information processing are carried out automatically, its hardware includes but does not limit
In microprocessor, application specific integrated circuit（Application Specific Integrated Circuit, ASIC）, it is programmable
Gate array（Field-Programmable Gate Array, FPGA）, digital processing unit（Digital Signal
Processor, DSP）, embedded device etc..The display device 100 may be, but not limited to, mobile phone, panel computer, wearing
Formula glasses, VR glasses etc. possess the electronic equipment of display and processing function, it is preferred that the display device 100 is Wearable eye
Mirror or VR glasses.The display device 100 is used to content source is converted into display signal and is converted to display signal visible
Optical signal is exported.
The display device 100 includes controller 10, memory cell 20, display control unit 30 and display screen 40.Wherein,
The controller 10 can be central processing unit, microprocessor, microcontroller, single-chip microcomputer, digital signal processor etc..Wherein, institute
It can be smart media card to state memory cell 20（Smart media card）, safe digital card（Secure digital
card）, flash memory cards（Flash card）Etc. storage device, the memory cell 20 is used to store content to be played
Source.The controller 10 is electrically connected in the memory cell 20 and the display control unit 30.The display control list
Unit 30 is also electrically coupled to the display screen 40.The display control unit 30 is used for according in storage in the memory cell 20
Appearance source controlled output display signal, and control the display screen 40 to play the content source according to the display signal.It is described aobvious
Display screen 40 plays the content source and sends visible light signal and form output light path.It is understood that human eye is in the output light path
The upper broadcasting pictures that can watch on the display screen 40.
The display device 100 also includes image unit 50.The image unit 50 is electrically connected to the He of the controller 10
The memory cell 20.The image unit 50 shoots the image of the subject on the output light path of the display screen 40 and deposits
Store up to the memory cell 20.It is understood that the subject can be people, or other objects in addition to people.Institute
Controller 10 is stated to be judged according to the image on the output light path of the display screen 40 with the presence or absence of people.The controller 10 is in institute
When there is people on the output light path for stating display screen 40, respond playing request and the content source is read from the memory cell 20
And generation shows signal, the display control unit 30 controls the display screen 40 to play the content according to the display signal
Source.When the controller 10 does not exist people on the output light path of the display screen 40, the playing request is not responding to without broadcasting
Put the content source.Wherein, referred on the output light path of the display screen 40 in the output area of the light that display screen 40 sends.
Wherein, in one embodiment, the display screen 40 is controlled to play the content source in the display control unit 30
During, the image unit 50 persistently shoots the image on the output light path of the display screen 40 and stores to the storage
In unit 20, the controller 10 judges whether the people on the output light path of the display screen 40 still deposits according to the image
.If the people on the output light path of the display screen 40 is still present, the controller 10 continues from the memory cell 20
Middle to read the content source and generate display signal, the display control unit 30 continues according to the display signal control
Display screen 40 plays the content source.If the people on the output light path of the display screen 40 has not existed, the controller
10 stop the generation display signal and control the pause of the display screen 40 to play in described by the display control unit 30
Rong Yuan.
In certain embodiments, whether the controller 10 judges the defeated of display screen 40 according to there is human eye in the image
Go out in light path whether someone.In further embodiments, whether the controller 10 is according to the sitting posture having in the image with people
Or the image section of the character image Model Matching such as stance come on the output light path for judging display screen 40 whether someone.
Specifically, Fig. 2 is refer to, in one embodiment, the image unit 50 includes infrared transmitter 51 and camera
53.The infrared transmitter 51 and the camera 53 are arranged at beyond the output light path.The infrared transmitter 51 sends
Infrared light through the reflection of subject into the camera 53 aiding in the camera 53 to be imaged so that the shooting
Unit 50 shoots the image of the subject on the output light path of the display screen 40.Specifically, in the present embodiment, the output
Light path is that display screen 40 lights for being formed substantially in fan-shaped visible region.The infrared transmitter 51 and the camera
53 is overseas positioned at the visible region, it is to avoid the visual experience of influence viewing personnel, also avoids being therefore easily perceived by humans.The infrared emission
Device 51 has multiple.The multiple infrared transmitter 51 is located at the both sides of the subject, the multiple infrared transmitter 51
Infrared light is sent from the both sides of the subject and by entering the camera 53 after the reflection of the subject so that
The image of the both sides of the subject can be photographed by the camera 53.It is understood that in other embodiments, it is described red
External transmitter 51 and the camera 53 can be made very small and in the visible region, and without prejudice to watches the sight of personnel
See.
Specifically, Fig. 3 is refer to, in another embodiment, the image unit 50 also includes a half-reflection and half-transmission plate 55, institute
Half-reflection and half-transmission plate 55 is stated to be obliquely installed on the output light path of the display screen 40.In the present embodiment, the half-reflection and half-transmission plate
55 are made by can pass through visible ray and reflect the half-reflection and half-transmission material of infrared light.The half-reflection and half-transmission plate 55 is particularly located at described aobvious
Between display screen 40 and the subject, and the angle substantially 45 between the half-reflection and half-transmission plate 55 and the display screen 40
Degree.The half-reflection and half-transmission plate 55 transmits the visible ray that the display screen 40 sends and enables that the visible ray irradiates and is taken
Thing.The half-reflection and half-transmission plate 55 is towards the subject and can reflect the subject and reflexes to the half-reflection and half-transmission plate
55 infrared light.So as to the infrared light emission sent when the infrared transmitter 51 is reflexed to subject through subject
It is described to aid in into the camera 53 by the secondary reflection again of the half-reflection and half-transmission plate 55 after the half-reflection and half-transmission plate 55
Camera 53 is imaged so that the camera 53 shoots the output light path for obtaining the display screen according to the infrared light for receiving
On subject image.Specifically, the output light path forms one substantially in fan-shaped visible region, described half anti-half
Saturating plate 55 is located in the visible region, and the infrared transmitter 51 and the camera 53 are located at the visible region
Outward, it is to avoid the visual experience of influence viewing personnel.The infrared transmitter 51 has multiple.The multiple infrared transmitter 51
In the both sides of the subject, the multiple infrared transmitter 51 sends infrared light and passes through from the both sides of the subject
Also it is directly entered the camera 53 after the reflection of the subject, and then causes the image of the both sides of the subject all
Can be photographed by the camera 53.Therefore, the camera 53 can directly receive subject reflection infrared light and via
The infrared light of the half-reflection and half-transmission plate 55 secondary reflection again, and shot according to the infrared light for receiving and obtain the defeated of the display screen
The image of the subject gone out in light path.It is understood that in other embodiments, the infrared transmitter 51 and the camera 53
Can be made very small and in the visible region, without prejudice to watches the viewing of personnel.
Please also refer to Fig. 4, in another embodiment, the image unit 50 includes a half-reflection and half-transmission plate 56, in this reality
In applying example, the half-reflection and half-transmission plate 56 is obliquely installed on the output light path of the display screen 40, and the half-reflection and half-transmission plate 56
It is particularly located between the camera 53 and the subject, and between the half-reflection and half-transmission plate 56 and the display screen 40
Substantially 45 degree of angle.The half-reflection and half-transmission plate 56 is by permeable to infrared and reflects the half-reflection and half-transmission material of visible ray and is made.
The half-reflection and half-transmission plate 56 can the visible ray that sends of reflective display screen 40 visible ray is irradiated subject or quilt
Subject is watched.The half-reflection and half-transmission plate 56 also allows the infrared transmission of the subject reflection to go over.So as to described
After infrared transmitter 51 sends infrared light to subject, the subject is by the infrared light reflection to half-reflection and half-transmission plate
56, and the infrared transmission reflected the subject by the half-reflection and half-transmission plate 56 to the camera 53 to aid in
State camera 53 to be imaged so that the camera 53 shoots on the output light path of the display screen 40 according to the infrared light for receiving
Image.Specifically, the output light path forms a visible region, and the half-reflection and half-transmission plate 56 is located at the visible region
Interior, the infrared transmitter 51 and the camera 53 are overseas positioned at the visible region, it is to avoid the vision of influence viewing personnel
Experience.The infrared transmitter 51 has multiple.The multiple infrared transmitter 51 is located at the both sides of the subject, described
Multiple infrared transmitters 51 send infrared light and direct by the reflection of the subject from the both sides of the subject
Into camera 53, and then cause that the image of the both sides of the subject can be photographed by the camera 53.Therefore, exist
In the present embodiment, the camera 53 can directly receive the infrared light and saturating via the half-reflection and half-transmission plate 56 of subject reflection
The infrared light for coming over, and subject on the output light path for obtaining the display screen is shot according to the infrared light for receiving
Image.In other embodiments, the infrared transmitter 51 and the camera 53 can be made very small and positioned at described visible
In light region.
Wherein, in one embodiment, as shown in figure 1, the controller 10 includes control module 11, the institute of aforementioned controllers 10
The function of execution is all completed by control module 11.
Wherein, in one embodiment, as shown in figure 1, the controller 10 includes bio-identification module 60, the biological knowledge
The image that other module 60 shoots according to the image unit 50 recognizes the biological characteristic of people, and the biological characteristic of the people includes eyes
Profile, iris image and face contour etc..Whether the eye contour is used to determine deposited on the output light path of the display screen 40
In human eye, when the controller 10 has human eye on the output light path of the display screen 40, playing request is responded and from described
The content source and generation display signal are read in memory cell 20, the display control unit 30 is according to the display signal control
Make the display screen 40 and play the content source.The iris image and the face contour are used to determine to be located at the display screen
The biological characteristic of the people on 40 output light path.
Wherein, in one embodiment, it is described as shown in figure 1, the controller 10 also includes watermark information laminating module 70
Watermark superposition module 70 be used for when the display screen 40 plays the content source, produce watermark information and with the display signal
Superposition so that the display screen 40 is superimposed watermark information, and the watermark information pair in playing the broadcasting pictures of the content source
Human eye is invisible.Wherein, the watermark information includes the identification code of display device 100, is recognized by the bio-identification module 60
Viewing personnel biological characteristic, including but not limited to iris image and face contour, and described in when being superimposed the watermark information
Current play time of content source etc..
Wherein, in one embodiment, it is described as shown in figure 1, the controller 10 also includes watermark information recovery module 80
Watermark retrieving module 80 is used to, when the broadcasting pictures are copied illegally, the watermark information is gone out according to the image restoration copied illegally,
Recover the information such as identification code, the biological characteristic of viewing personnel and the reproduction time of the display device 100.In some implementations
In example, the watermark retrieving module 80 also causes that the watermark information is visible to human eye, and institute is directly displayed in broadcasting pictures
State watermark information.
Wherein, in certain embodiments, the control module 11, bio-identification module 60, watermark information laminating module 70
And watermark information recovery module 80 is the programmed instruction that the controller 10 can call execution.In further embodiments, it is described
Control module 11, bio-identification module 60, watermark information laminating module 70 and watermark information recovery module 80 are the controller
Included hardware circuit in 10.
Wherein, the display device 100 can be for head-mounted display apparatus, fluorescent screen projection system, mobile phone, panel computer etc. just
Portable electronic apparatus etc..
Fig. 5 is the schematic flow sheet of the content safety player method of the embodiment of the present invention.The content safety player method
It is applied in display device 100.The content safety player method includes：
Step S51, receives a playing request.
Step S52, shoots the image of the subject on the output light path of the display screen 40 and stores to the storage
Unit 20.
Step S53, judges to whether there is people on the output light path of the display screen 40 according to the image；If it is, entering
Enter step S54, otherwise, into step S55.
Step S54, responds the playing request and the content source and generation display is read from the memory cell 20
Signal, and control the display screen 40 to play the content source according to the display signal.
Step S55, is not responding to the playing request without playing the content source.
In another embodiment, the content safety player method also includes：
Step S56, in playing process, persistently shoots the image on the output light path of the display screen 40 and stores to described and deposit
Storage unit 20, and judge whether the people on the output light path of the display screen 40 is still present according to the image；If it is,
Into step S57, otherwise, into step S58.
Step S57, the content source is read from the memory cell 20 and display signal is generated, and is continued according to described
Display signal controls the display screen 40 to play the content source.
Step S58, stops the generation display signal and controls the display screen 40 to suspend to play the content source.
In another embodiment, step S54, responds the playing request and is read from the memory cell 20 in described
Appearance source and generation display signal, and control the display screen 40 to play the content source according to the display signal, further for：
When the display screen 40 plays the content source, produce watermark information and with the display Signal averaging so that it is described
Display screen 40 is superimposed watermark information in playing the broadcasting pictures of the content source, and the watermark information is invisible to human eye；And
When the broadcasting pictures are copied illegally, the watermark information is recovered from the image copied illegally, and obtain the watermark
Information.In certain embodiments, the watermark information includes that biological characteristic, the identification code of display device 100 and superposition are described
The information such as reproduction time during watermark information.
Further, methods described also includes step：So that the watermark information is visible to human eye, and in broadcasting pictures
Directly display the watermark information so that the watermark information is visible to human eye.
By the judgement of the human eye on the output light path to the display screen, it is ensured that play the content when someone watches
Source, when no one watches or replaces human eye with video equipment, does not respond to the playing request and does not play the content source,
The content source is prevented effectively to be copied illegally when playing.During the content source is played, persistently judge on output light path
Human eye whether store, it is to avoid viewing personnel leave and cause the wasting of resources, or replace people with video equipment in playing process
Eye and the content source of copying illegally, the content source can be prevented effectively from and copied illegally in broadcasting.In the event of the broadcasting picture of display screen
During the event that face is copied illegally, watermark can be recovered to the broadcasting pictures copied illegally, so as to conveniently take further measures.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function, but this realization can be realized it is not considered that exceeding using distinct methods to each specific application
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the device of foregoing description
Specific work process, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any ripe
Know those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (14)
1. a kind of display device, including controller, memory cell, display control unit and display screen, the controller are electric respectively
The memory cell and the display control unit are connected to, the display control unit is electrically connected to the display screen, described
Memory cell is used to store content source to be played, it is characterised in that the display device also includes image unit, the shooting
Unit is electrically connected to the controller and the memory cell, and the image unit is used to shoot the output light path of the display screen
On subject image and store to the memory cell, after the controller response playing request, according to the image
Judge on the output light path of the display screen whether someone, the controller on the output light path of the display screen during someone,
The content source and generation display signal are read from the memory cell, the display control unit is according to the display signal
The display screen is controlled to play the content source, when the controller does not exist people on the output light path of the display screen, no
The playing request is responded without playing the content source.
2. display device as claimed in claim 1, it is characterised in that the image unit, in the display control unit control
During making the display screen broadcasting content source, the shadow of subject on the output light path of the display screen is persistently shot
As simultaneously storing to the memory cell, described control unit judged according to the image on the output light path of the display screen whether
Still someone, if still someone on the output light path of the display screen, described control unit continues from the memory cell
Read the content source and generate display signal, the display control unit continues to control the display according to the display signal
Screen plays the content source, if not existed people on the output light path of the display screen, described control unit then stops life
The display screen is controlled to suspend the broadcasting content source into the display signal and by the display control unit.
3. display device as claimed in claim 2, it is characterised in that whether the controller has human eye according in the image
Come on the output light path for judging the display screen whether someone.
4. display device as claimed in claim 1, it is characterised in that the image unit includes infrared transmitter and shooting
Head, the infrared transmitter and the camera are arranged at beyond the output light path, and it is infrared that the infrared transmitter sends
Light is through the reflection of the subject into the camera aiding in the camera imaging so that the image unit root
The image of subject interior on the output light path for obtaining the display screen is shot according to the infrared light of subject reflection.
5. display device as claimed in claim 4, it is characterised in that the image unit also includes one first half-reflection and half-transmission
Plate, the first half-reflection and half-transmission plate is obliquely installed on the output light path of the display screen, and the first half-reflection and half-transmission plate is used for
Through the visible ray that the display screen sends, the first half-reflection and half-transmission plate simultaneously is used to for subject to reflex to described the first half
The infrared light of anti-semi-transparent plate further reflexes to the camera, to aid in the camera imaging so that the image unit
The image of the subject on the output light path for obtaining the display screen is shot according to the infrared light for receiving.
6. display device as claimed in claim 4, it is characterised in that the image unit also includes one second half-reflection and half-transmission
Plate, the second half-reflection and half-transmission plate is obliquely installed in interior on the output light path of the display screen, the second half-reflection and half-transmission plate use
The visible ray is set to irradiate subject in reflection visible ray, the second half-reflection and half-transmission plate is additionally operable to be clapped through described
Take the photograph the infrared light that thing reflexes to the second half-reflection and half-transmission plate, the infrared light of the subject reflection reach the camera with
Aid in the camera imaging so that the image unit shoots according to the infrared light for receiving and obtains the defeated of the display screen
The image of the subject gone out in light path.
7. the display device as described in any one of claim 1 to 6, it is characterised in that described control unit includes bio-identification
Module, the image that the bio-identification module shoots according to the image unit recognizes the biological characteristic of people, the biological characteristic
Including eye contour, iris image and face contour, the eye contour is for determining to be on the output light path of the display screen
No to there is people, the iris image and the face contour are used to determine the life of the people on the output light path of the display screen
Thing feature.
8. display device as claimed in claim 6, it is characterised in that described control unit also includes watermark information superposition mould
Block, the watermark information laminating module is used to produce watermark information when the display screen plays the content source, and will be described
Watermark information and the display Signal averaging so that be superimposed watermark letter in the broadcasting pictures of the display screen broadcasting content source
Breath, and the watermark information is invisible to human eye, wherein, the watermark information includes the biological characteristic for identifying, display
The identification code and reproduction time of device.
9. display device as claimed in claim 8, it is characterised in that described control unit also includes that watermark information recovers mould
Block, the watermark information recovery module is used for when the broadcasting pictures are copied illegally, according to the image restoration copied illegally goes out
Watermark information.
10. a kind of content safety player method, the content safety player method is applied in display device, the display device
Including display screen and memory cell, the memory cell is used to store content source to be played, and methods described includes：Receive one
Playing request；Shoot the image of the subject on the output light path of the display screen and store to the memory cell；Root
Judge to whether there is people on the output light path of the display screen according to the image；Exist on the output light path of the display screen
During people, respond the playing request and the content source and generation display signal are read from the memory cell, and according to institute
Stating display signal controls the display screen to play the content source；And when on the output light path of the display screen in the absence of people,
The playing request is not responding to without playing the content source.
11. content safety player methods as claimed in claim 10, it is characterised in that methods described includes：In playing process
In, persistently shoot the image on the output light path of the display screen and store to the memory cell, and sentenced according to the image
Whether the people broken on the output light path of the display screen is still present；If the people on the output light path of the display screen is still
In the presence of, then the content source is read from the memory cell and display signal is generated, and continuation is according to the display signal control
Make the display screen and play the content source；If the people on the output light path of the display screen has not existed, stop generation
The display signal simultaneously controls the display screen pause to play the content source.
The 12. content safety player method as described in any one of claim 10 to 11, it is characterised in that methods described includes：
The display screen play the content source when, produce watermark information and with the display Signal averaging so that the display screen
Watermark information is superimposed in the broadcasting pictures for playing the content source, and the watermark information is invisible to human eye, wherein, the water
Official seal breath includes biological characteristic, the identification code of display device and the reproduction time for identifying.
13. content safety player methods as claimed in claim 12, it is characterised in that methods described includes：In the broadcasting
When picture is copied illegally, the watermark information according to the image restoration copied illegally.
The 14. content safety player method as described in claim 10 or 11, it is characterised in that the step is " according to the shadow
As whether there is people on the output light path for judging the display screen " include：According to whether having human eye in the image to judge
State on the output light path of display screen whether someone.
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