CN108139615A - One-way vision secret window based on light emitting diode and changeable glass - Google Patents
One-way vision secret window based on light emitting diode and changeable glass Download PDFInfo
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- CN108139615A CN108139615A CN201680060525.1A CN201680060525A CN108139615A CN 108139615 A CN108139615 A CN 108139615A CN 201680060525 A CN201680060525 A CN 201680060525A CN 108139615 A CN108139615 A CN 108139615A
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B2009/2464—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds featuring transparency control by applying voltage, e.g. LCD, electrochromic panels
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- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract
Provide the secret window system and method for controlling orientation visual.System includes change-over window, the first changeable lamp and controller.Change-over window is between the first space and second space.First switchable light source is located in the first space.Controller controls the switching of the first switchable light source and change-over window, and it is configured to make the first light source visuality of synchronism switching to switch window to control from the first space to second space between ON states and OFF state, so that depending on window is in transmissive state or non-transmissive state, first light source is switched to ON states.Controller switches window and first light source to be more than the rate of the frame rate of human eye between the corresponding state.
Description
Prioity claim
This application claims the preferential of the Singapore patent application No.10201508608T submitted on October 16th, 2015
Power.
Technical field
The present invention generally relates to the method and apparatus of one-way vision secret window, and relate more specifically to one kind
Change-over window, transmissivity is synchronous with indoor LED illumination, to prevent from watching by window in one direction, while allows
Other directions are watched.
Background technology
Privacy is always people's concern.Prevent outdoor personnel from seeing that indoor or private space conventional method is to make
With curtain or shutter.However, this method is blocked completely from external light, this may be to be not intended in some cases
's.For example, if the people in room wants outside interview room or desired sunlight enters room, close curtain or shutter may be prevented from
Such case occurs.A solution for solving the problems, such as this is such as the coloured glass or on window using translucent glass
Perforated films are installed.For example, a proposal is to protect privacy using patterned polyvinyl chloride window screening, outside interfering
The visual field.However, this method adversely requires inside more darker than external, to realize good performance, and this opens room with needing
Many situations of interior lamp are on the contrary, the family of the office or night in such as building.
In order to realize privacy without adjustment luminance state or even if internal brighter than external, a proposal discloses one kind
Light source is mounted in window top cross-bar to illuminate the covering material on window by window treatments.Covering material is designed to
Consumingly to external indirect illumination light, so as to which external people be made to be difficult while people internally provides the clearly external visual field
See inside through the covering.Although the design can protect privacy and provide unidirectional viewing, illumination with night in the daytime
Uniformity it is limited and energy loss is higher.In addition, reflected light is also possible to cause harmful effect in outside, such as in crowded residence
People area.
It being capable of solution to the problems described above and one-way vision secret window therefore, it is necessary to one kind.Further, with reference to attached drawing
With the background of the disclosure, other desired features and characteristics will become from subsequent detailed description and appended claims it is aobvious and
It is clear to.
Invention content
At least one embodiment according to the present invention, provide it is a kind of be used for by be located at the first space and second space it
Between change-over window come the method that controls orientation visual, window have across the visuality of window transmissive state and with
Across the visual non-transmissive state of the reduction of window.This method, which is included in the first space, provides the first switchable light source,
And for controlling the controller of the switching of the first switchable light source and change-over window and making first light source in ON states and OFF
Switching between state is synchronous with the switching of window, to control the visual step from the first space to second space.According to
This method, first light source are switched to ON states depending on window is to be in non-transmissive state, and its in transmissive state
The rate of middle synchronism switching is more than the frame per second of human eye.
According to another embodiment of the invention, it provides and a kind of determines between the first space and second space for controlling
To visual system.The system includes change-over window, the first changeable lamp and controller.It is empty that change-over window is located at first
Between between second space, and with the visual transmissive state across window and across window reduction it is visual
Non-transmissive state.First switchable light source is in the first space.Controller controls the first switchable light source and change-over window
Switching, and it is synchronouss with the switching of window to be configured to the switching for making first light source between ON states and OFF state, with control from
First space is to the visuality of second space so that according to window is in transmissive state or non-transmissive state, first light source
It is switched to ON states.Controller switches window and the first light to be more than the rate of the frame per second of human eye between each state
Source.
According to another embodiment of the present invention, a kind of orientation between the first space of control and second space is provided
Visual system.The system includes the change-over window between the first space and second space, in the first space
The first switchable light source and controller for controlling the switching of the first switchable light source and change-over window.It is changeable
Window has the transmissive state across the visibility of window and the visual non-transmissive state reduced across window.Controller is matched
It is synchronous with the switching of window to be set to the switching for making first light source between ON states and OFF state, with control from the first space to
The visuality of second space so that according to window be to be in non-transmissive state in transmissive state, first light source is switched to
ON states.Controller switches window and first light source to be more than the rate of the frame per second of human eye between each state.
Description of the drawings
Identical reference numeral refers to identical or intimate element in entirely separated view in attached drawing, and attached
Figure is collectively incorporated into specification and forms part of specification with following detailed description, for illustrating various embodiments and basis
The present embodiment explains various principles and advantage.
Fig. 1 depicts the left front top for only allowing the secret window system that portion is watched from the inside according to the present embodiment
Perspective view.
Fig. 2 depicts the modulated signal according to the present embodiment, the window transmissivity of change-over window of Fig. 1 and the hair of Fig. 1
The curve graph of the intensity of optical diode (LED).
Fig. 3 depicts the transmissive state " T " and opaque state according to the change-over window for Fig. 1 of the present embodiment
The curve graph of the change-over window transmissivity of the various durations of " O ".
Fig. 4 depicts a left side for the secret window system in the room or office for interior of building according to the present embodiment
Preceding top perspective.
Fig. 5 depicts the left front top for only allowing the secret window system externally to internal viewing according to the present embodiment
Portion's perspective view.
Fig. 6 depicts the left front top perspective of the secret window according to the present embodiment, and the direction of wherein one-way vision is
It is selectable.
Fig. 7 depicts the curve graph of the modulated signal for change-over window according to the present embodiment, and switchable glazings
LED on the both sides of family is for (a) only outside the viewing of inside, and (b) only inside the viewing of outside, (c) both sides can see other side,
(d) both sides cannot see that other side is seen in other side and (e) both sides under different transparencies.
Fig. 8 depicts the view of the secret window system test equipment according to the present embodiment, and wherein Fig. 8 (a) depicts survey
The left front top perspective of equipment is tried, and Fig. 8 (b) depicts the inside and outside photo in test equipment room.
Fig. 9 depicts the view of the change-over window in the secret window system by Fig. 8 according to the present embodiment, wherein
Fig. 9 (a) depicts view from internal to external, and Fig. 9 (b) depicts the regarding from external-to-internal when secret protection is activated
Figure, and Fig. 9 (c) is depicted when secret protection is deactivated from the view of external-to-internal.
Figure 10 depicts the curve graph of the transmissivity of the liquid-crystalline glasses of the change-over window according to the present embodiment, wherein Figure 10
(a) curve graph of the transmissivity of the liquid-crystalline glasses under transmission and opaque state is depicted, and Figure 10 (b) is depicted as liquid
The function t of the average transmittance of crystal glass2/t1。
Figure 11 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, which matches
Being set to only allows indoor occupant outside viewing, and outdoor personnel cannot see that interior, wherein being mounted at least one in a room
A LED or fluorescent light source and at least one change-over window, controller by the electric wire in Figure 11 (a) connect and pass through Figure 11
(b) the WiFi connections in communicate with light source and change-over window.
Figure 12 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, which matches
Being set to only allows indoor occupant to watch outside, and outdoor personnel cannot see that interior, wherein installing at least one LED in the room
Light source, photodetector and at least one change-over window, LED light source are modulated by LED driver, and change-over window is by coupling
Close the controller control of photodetector.
Figure 13 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, which matches
It is set to and is used in the room of interior of building, outside is watched only to allow the personnel inside room, and external personnel cannot
See in room, wherein installing at least one LED or fluorescent light source and at least one change-over window in a room, controller leads to
The electric wire crossed in Figure 13 (a) is connected and is communicated by the WiFi connections in Figure 13 (b) with light source and change-over window.
Figure 14 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, which matches
It is set to and is used in the room of interior of building, outside is watched only to allow the personnel inside room, and external personnel cannot
See in room, wherein controller is communicated by photodetector with light source and change-over window.
Figure 15 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, which matches
Being set to only allows external personnel to watch inside, and internal personnel cannot see that outside, wherein being installed at least outside room
One LED or fluorescent light source and at least one change-over window, controller by the electric wire in Figure 15 (a) connect and pass through figure
WiFi connections in 15 (b) communicate with light source and change-over window.
Figure 16 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, is configured to
External personnel is only allowed to watch internal, and internal personnel cannot see that outside, wherein controller by photodetector with
Light source and change-over window communicate.
And Figure 17 is depicted according to the present embodiment for the side plan view for the system for controlling orientation visual, this is
It is under unified central planning to be set to two places for detaching interior of building and secret place be changed into observation place or place will be observed
Be changed into secret place, wherein install LED or fluorescent light source on the either side of at least one change-over window, and light source and
Change-over window by the electric wire in Figure 17 (a) by being connected, passing through two kinds in the WiFi connections in Figure 17 (b) or Figure 17 (c)
The controller of the combination coupling of connection method is modulated.
It would be recognized by those skilled in the art that in order to simple and clear, the element in figure is shown and is not necessarily to scale
It draws.
Specific embodiment
It is described in detail below to be substantially only exemplary, it is not intended that the limitation present invention or the application and the present invention
Application.Further, it is not intended to be fettered by the foregoing background of the present invention or any theoretical of middle presentation described in detail below.
The present embodiment is intended to present.
As it is used herein, term " non-transmissive state " refers to the state of change-over window, wherein by window can
Depending on property significantly reduce (such as translucent, the opposite side of wherein shape from the window on the side of window are non-discernable) and
Opaque state.On the contrary, term " transmissive state " refers to the state of change-over window, wherein can visuality be allowed by window,
Such as translucent and pellucidity through window visible shape.
As it is used herein, term " orientation is visual " refers to come selectively using the system and method instructed herein
It provides through the visuality of any one in the both direction of change-over window, not visible property in either direction or at two
Visuality on direction.
As it is used herein, with the relevant term of light source that is switched between ON states and OFF state with alternating sequence
" illumination period " refers to be switched to the time that time of ON states is switched to lower secondary light source ON states from light source.
As it is used herein, term " low light state " and similar terms refer to that the light in space is sufficiently low, so that working as
When change-over window is switched with rate more faster than the frame rate of human eye, space cannot be clearly watched from illumination space interior,
Wherein change-over window is between space.
In the case of reference term " switching " in the case where context demands meet two conflicting states,
Such as：Allow the visuality for entering second space from the first space, while forbid entering the visual of the first space from second space
Property；And allow the visuality for entering the first space from second space, while forbid from the first space enter second space can
Depending on property, term " switching " means that light source is controlled or synchronous with the switching of change-over window so that first time period is expired
A state in two states of foot, and another state in second time period meets two states.In such case
It is lower to provide using in the case of term " switching ", with " selectivity switches " or ' relevant source and window can be made in first time period
Family synchronism switching so that realize first state, and make relevant source or another light source and window switching same in second time period
Step, so as to fulfill the second state ', and this replacement will similarly provide more than expected meaning.
The detailed description is intended to the method that secret window is presented and realizes this window.The present embodiment permission unidirectionally regards
Feel：The personnel that are sitting in inside room are it can be seen that outside, and external personnel cannot see that inside room that or vice versa,
The luminance level inside and outside without changing room.One-way vision is by the modulation light in secret window or change-over window
Source (such as light emitting diode (LED)) and changeable glass are realized.Secret window may be used as the electricity of home and office intranets
The room of dynamic curtain or any required one-way vision.
Traditional solution is realized unidirectional under certain luminance state using partially transparent panel or perforated films
Vision, this needs the luminance level of secret side, and far below public side, this is not suitable for office or night lamp point in building
When bright.Another typical solution is that lighting system is installed on window, to reduce the transparency to external personnel.But
It is that the solution causes high energy loss and also influences the resident of surrounding.Recently, change-over window or intelligent window have been used
In privacy protection.The window of the type allows to carry out active control transmission using such as electrochromic layer, liquid crystal or suspended particulate.So
And such window blocks the light from both sides, and therefore the personnel of secret side is not allowed to see outside.
It is designed according to the secret change-over window of the present embodiment and realizes privacy protection using LED light and changeable glass.
The key advantage of the present embodiment is it offers one-way vision, more darker than public side without secret side.In addition, this is changeable
Window shows low energy loss, adjustable transmissivity, and is not adversely affected in High density residential district.
According to the present embodiment in a first aspect, even if secret side luminance level be higher than public side when, change-over window
Luminance level of the one-way vision without changing public side or secret side can be provided, so as to provide one-way vision, make secret people from side
Member can see public side, and public side personnel cannot see that secret side.According to second aspect, change-over window can allow public affairs
Secret side (inside room) is seen in side altogether (outside room), and internal personnel cannot see that outside, without changing either side
Luminance level.
The transmissivity of window is adjustable and can be by user's control.In addition, the utilization according to the present embodiment can be switched
The system of window shows low-energy-consumption, and according to the present embodiment described herein, can use has specific modulation band
Wide wide scope change-over window.
The present embodiment described herein using LED light and the changeable glass of electricity by atypia and it is unconventional in a manner of realize secret
Protection.Key advantage according to the system of the present embodiment and operation is that they provide one-way vision, is appointed without changing window
The brightness of side.In addition, these method and systems show low-energy-consumption and adjustable transmissivity.
With reference to Fig. 1, upper left front perspective view 100 depicts the secret window system according to the present embodiment, including at least one
A LED light source 102, change-over window 104 and the controller 106 for making LED light source 102 synchronous with change-over window 104.LED
Light source 102 and change-over window 104 are all connected to controller 106.Controller 106 sends modulated signal 107 to LED light source 102,
Make it with the frequency scintillation to vision invisible.Meanwhile change-over window 104 is also by the modulated signal from controller 106
107 modulation, are switched with the frequency identical with LED light source 102 between opaque state and transmissive state.By this method, inside
The personnel 108 in portion region 110 can see perimeter 112 by change-over window 104, and the personnel 114 in perimeter 112
Cannot interior zone 110 be seen by change-over window 104.
Uniqueness according to the secret window system of the present embodiment is by between LED light source 102 and change-over window 104
Synchronize realize one-way vision.With reference to Fig. 2, according to the present embodiment, curve graph 202,204,206 respectively depicts modulated signal
The intensity of 107 synchronization, the window transmissivity of change-over window 104 and LED light source 102.The window transmission of change-over window 104
Rate is synchronous with the intensity of LED light source 102 so that when (corresponding to " state 1 ") when LED light source 102 is " ON ", change-over window
104 are set as opaque (" O "), and when LED light source 102 is " OFF " (correspond to " state 2 "), change-over window 104 sets
It is set to transmission (" T ").
The synchronization provides two states for secret window.In state 1, modulated signal 107 is "high", LED light source 102
Intensity is L0(that is, in " ON " state) and change-over window 104 is set as opaque (" O ").According to the present embodiment, in shape
In state 1, light of the blocking from both sides, and external personnel 112 is not therefore allowed to see inside completely of change-over window 104.
In state 2, modulated signal 107 is " low ", and 102 intensity of LED light source is in " OFF " state, and change-over window 104 is set
To transmit (that is, T0It is the window transmissivity when it is in transmissive state).Therefore, in state 2, inside 110 is than outside 114
It is darker so that the personnel 112 on outside 114 still cannot see that inside.However, since the light from outside 114 can be to pass through
Change-over window 104, so the personnel 108 inside room can have the clear view of outside 114.By in state 1 and shape
To switch at high speed change-over window 104 faster than human eye response speed between state 2, the personnel 108 inside room do not notice that
To any flicker of LED light source 102, and the view that will there is outside 114 always, but the personnel 112 outside room cannot
Inside is always seen, even if inside 110 is brighter than outside 114.Table 1 summarizes the influence of state 1 and state 2 to viewing.
Table 1
Other than unidirectional visual angle, which also allows user to come by adjusting the duration of two states
Control the transparency of window.Since window is with the velocity modulation more faster than human eye response, so the personnel inside room 108
It can see the average transmittance of the light by change-over window 104.The average transmittance of change-over window 104 is provided by equation 1：
Wherein T0It is the transmissivity when change-over window 104 is in transmissive state, t1And t2It is change-over window respectively
The duration of 104 transmissive state and opaque state in one cycle.
With reference to figure 3, according to the difference of the transmissive state " T " of the change-over window 104 of the present embodiment and opaque state " O "
The curve graph 300 of the change-over window transmissivity of duration.As the t as shown in square wave trace 3021＞ t2, change-over window 104
High average transmittance will be shown for internal personnel 108, this is preferred for night.When such as square wave trace 304
Shown t1＜ t2When, low transmission rate will be presented in window, can be applied on daytime when the sunlight in outside 114 is very strong.
With reference to Fig. 4, depict according to the present embodiment for the room of interior of building or the secret window system of office
The left front top perspective 400 of system.Since the luminance level of the room both sides to interior of building is usually suitable, so using having
The conventional method of color glass or perforated films can not achieve one-way vision.However, according to the secret window system of the present embodiment not
Dependent on both sides luminance level and one-way vision is provided, it is whether 404 more darker or brighter than outside but regardless of inside 402.
The LED light source 406 and change-over window 408 of inside 402 are modulated by the modulated signal 407 from controller 409, to allow room
Internal personnel 410 see the outside 404 in room, while the inside 402 for preventing or personnel 412 being allowed to see room.
With reference to figure 5, the left side for only allowing the secret window system externally to inside viewing according to the present embodiment is depicted
Preceding top perspective 500.Instead of adjusting the LED light source 406 (Fig. 4) inside room, controller 504 is made by modulated signal 503
External LED light source 502 is synchronous with change-over window 408.By this method, the personnel 412 outside room would clearly see inside
402, and the personnel 410 inside room cannot see that outside 404 without adjusting the luminance level outside room.
In addition, it is configurable to provide the active control to the direction of one-way vision according to the secret window system of the present embodiment
System, public side is changed to by secret lateral incision, or vice versa.Fig. 6 depicts the left front top of the secret window according to the present embodiment
The direction of perspective view 600, wherein one-way vision is selectable.LED light source 406,502 is mounted on the two of change-over window 408
Side, and all modulated by the modulated signal 603 from controller 602.In the configuration, change-over window 408 will have more
A function in operation, as shown in Figure 7：1) by with the phase tune identical with the window transmissivity of change-over window 408
LED light source 502 outside room processed and with the LED light source 406 inside the phase-modulation opposite with switchable glazings 408, only to permit
Perhaps internal personnel 410 see outside 404, while external personnel 412 is prevented to see inside 402 (referring to the curve of Fig. 7 (a)
Figure 70 2)；2) by with the LED light source 406 inside the phase-modulation room identical with the window transmissivity of change-over window 408,
And with the light source 502 outside the phase-modulation opposite with change-over window 408, external personnel 412 only to be allowed to see inside
402, while internal personnel 410 is prevented to see external 404 (referring to the curve graphs 704 of Fig. 7 (b))；3) by with can be switched
Both inside and outside LED light sources 406,502 of the identical phase-modulation of the window transmissivity of window 408, to allow the people of both sides
Member 410,412 sees (referring to the curve graph 706 of Fig. 7 (c)) each other；4) by with the window transmissivity with change-over window 408
Both inside and outside LED light sources 406,502 of opposite phase-modulation, to stop the light from both sides (referring to the song of Fig. 7 (d)
Line chart 708)；5) by setting the window transmissivity of phase modulation difference and change-over window 408 between LED light source 406,502,
To provide different transparency for every side (referring to the curve graph 710 of Fig. 7 (e)).
With reference to Fig. 8 (a), the left front top perspective of the test equipment of secret window system according to the present embodiment is depicted
800, and Fig. 8 (b) depicts photo 802 and the external photo inside the box 806 of the test equipment of secret window system
804.In box 806, LED bulb 808 is mounted on roof to illuminate inside 810, and changeable glass is mounted on box
Side as change-over window 812.The size of change-over window 812 is 10cm × 10cm.LED 808 and change-over window
812 glass is all modulated by controller 814.In order to provide external view, network camera is placed on inside box 806, is taken aim at
Quasi- change-over window 812.The mark 816 of printing is placed on the inner wall of the box 806 of the object as inside, and green " rabbit
Object 818 of the son " as outside.
Fig. 9 depicts the view across the change-over window 812 in the secret window furnishings of Fig. 8 according to the present embodiment
900 (Fig. 9 (a)), 902 (Fig. 9 (b)), 904 (Fig. 9 (c)).View 900 from cabinet interior is it will be clear that external
Object 818.However, when LED light source 808 and change-over window 812 synchronous for privacy protection, from external view
902 cannot see that any object on 806 inside 810 of box.In order to compare, when privacy protection deactivates, view 902 depicts
The inside 810 of box 806.Since LED light source 808 and change-over window 812 are asynchronous, so secret is unprotected, and can
To see the mark 816 inside box 806.
In the test device of Fig. 8, the changeable glass based on liquid crystal (LC) is used in change-over window 812.Figure 10
Depict the curve graph 1000,1002 of the transmissivity of the liquid-crystalline glasses of the change-over window according to the present embodiment, wherein Figure 10 (a)
The curve graph of the transmissivity of the liquid-crystalline glasses under transmission and opaque state is depicted, and Figure 10 (b) is depicted as function
t2/t1Liquid-crystalline glasses average transmittance.
Curve graph 1000 shows the transmissivity of the LC glass in opaque state and transmissive state.In visible-range
Interior (400nm-700nm), the average transmittance which goes out transmissive state are 27%, the average transmission of opaque state
Rate is 0.3%.Curve graph 1002 shows average transmittance as ratio t2/1Function, wherein t1And t2It is saturating in the cycle
Penetrate the duration of state and opaque state.As ratio increases, transmissivity declines.By adjusting ratio t2/1, can control
Into the light in room.
The energy expenditure of change-over window 812 by using the mean power (be equal to 0.36kWh) of display 0.1W source table
(Keithley Model 2400) is measured.Use having 10W's and run the room of 8 hours daily according to the present embodiment
Between in LED light source secret window system, the daily electricity charge of change-over window are about 0.02 Singapore dollar or 2 points of Singapore dollars, this is right
It is negligible in user.According to about every square metre 320 of the material cost of the secret window system of the present embodiment estimation
Singapore dollar, 300 Singapore dollars including being used for convertible glass, 20 Singapore dollars for driving circuit.Convertible window is current in the market
Price is every square metre of 600-1300 Singapore dollar.
Although having used liquid-crystalline glasses change-over window 812 in the test equipment of Fig. 8, can also be made according to the present embodiment
With the type based on suspended particulate, polymer dispersion LC, electrochromism/photochromic/thermochromic material and mini-blind
Change-over window.
With reference to Figure 11 to 17, side plan view depicts the operation of the secret window system according to the present embodiment.Figure 11 is retouched
It has painted according to the present embodiment for the side plan view 1100,1101 for the system for controlling orientation visual, which is
Indoor personnel is only allowed to watch external, and outdoor personnel cannot see that interior, wherein installing at least one LED in a room
Or fluorescent light source and at least one change-over window, controller by the electric wire in Figure 11 (a) connect and pass through Figure 11 (b)
In WiFi connections communicate with light source and change-over window.Secret window system is configured to only allow indoor personnel's viewing outer
Portion, and outdoor personnel cannot see that interior.Install in a room at least one LED or fluorescent light source 1102 and it is at least one can
Switch window 1104.Controller 1106 connects 1108 or (b) WiFi connections 1110 and light source 1102 by (a) electric wire and can be switched
Window 1104 communicates.
Figure 12 is depicted according to the present embodiment for the side plan view 1200 for the system for controlling orientation visual, this is
It is under unified central planning to be set to that indoor personnel is only allowed to watch is external, and outdoor personnel cannot see that interior, wherein install in a room to
A few LED light source 1202, photodetector 1204 and at least one change-over window 1206, LED light source 1202 are driven by LED
Device 1208 is modulated, and change-over window 1206 is controlled by the controller 1210 for being coupled to photodetector 1204.LED light source
1202 LED driver 1208 by being flickered with specific frequency is modulated.Photodetector 1204 is mounted on inside room to come from
The optical signal of LED light source 1202 is converted into electric signal and sends the signal to controller 1210.Controller 1210 is correspondingly adjusted
Whole window transmissivity is to realize the synchronization between change-over window 1206 and LED light source 1202.
Figure 13 depict according to the present embodiment for control orientation visual the side plan view 1300 of system,
1302, which watches outside to be used in the room of interior of building, only to allow the personnel inside room, and outer
The personnel in portion cannot see that in room, wherein install in a room at least one LED or fluorescent light source 1304 and it is at least one can
Switch window 1306, controller 1308 is by the electric wire connection 1310 in Figure 13 (a) and passes through the connections of the WiFi in Figure 13 (b)
1312 communicate with light source 1304 and change-over window 1306.
Figure 14 is depicted according to the present embodiment for the side plan view 1400 for the system for controlling orientation visual, this is
System is configured in the room of interior of building, and outside is watched only to allow the personnel inside room, and external personnel are not
It can see in room, wherein controller 1402 is communicated by photodetector 1408 with light source 1404 and change-over window 1406.
Figure 15 depict according to the present embodiment for control orientation visual the side plan view 1500 of system,
1502, which is that external personnel is only allowed to watch inside, and internal personnel cannot see that external, wherein in room
Between external at least one LED or fluorescent light source 1504 are installed and at least one change-over window 1506, controller 1508 pass through figure
Electric wire in 15 (a) connects 1510 and passes through the WiFi connections 1512 in Figure 15 (b) and light source 1504 and change-over window
1506 communications.
Figure 16 is depicted according to the present embodiment for the side plan view 1600 for the system for controlling orientation visual, this is
Under unified central planning be set to only allows external personnel to watch inside, and internal personnel cannot see that outside, and wherein controller 1602 passes through
Photodetector 1608 communicates with light source 1604 and change-over window 1606.
Figure 17 depict the system for control direction visuality according to the present embodiment side plan view 1700,
1702nd, 1704, which is to detach two places of interior of building and can secret place be transformed into observation place
Observation place is converted to brightness of the secret place without changing either side by point, and wherein LED or fluorescent light source 1706 are mounted on
On the either side of at least one change-over window 1708, and light source 1706 and change-over window 1708 are by by Figure 17 (a)
Electric wire connection 1712, the combination coupling by the WiFi connections 1714 in Figure 17 (b) or two kinds of connection methods in Figure 17 (c)
The controller 1710 connect is modulated.
Thus, it will be seen that the present embodiment can provide the skill that one-way vision is realized using LED light and changeable glass
Art.The key advantage of the present embodiment is that, even if the luminance level of secret side is higher than public side, the present embodiment, which also provides, unidirectionally to be regarded
The luminance level felt without changing public (outdoor) or secret (interior) side.It can also be permitted according to the change-over window of the present embodiment
Perhaps it is external to see inside, and inside cannot see that outside, the luminance level without changing either side.In addition, system and method
Also make low-energy-consumption, adjustable transmission and can be realized to surrounding area or resident are harmless.Thus, it will be seen that the present embodiment
The system and method for offer can be with overcome the deficiencies in the prior art, and can be widely applied to need the place of secret protection,
Such as house, office, observation ward, laboratory.
Although have been presented for exemplary embodiment in the detailed description before the present invention, it is understood that,
There are a large amount of variants.It is to be further understood that exemplary embodiment is only example, it is no intended to be limited in any way
The scope of the present invention, applicability, operation or configuration.It is used on the contrary, the detailed description of front will be provided for those skilled in the art
Realize the convenient route map of exemplary embodiment of the present invention, it should be appreciated that can be to the operation described in exemplary
The function of step and method and arrangement carry out various changes, without departing from the model of the present invention illustrated in such as appended claims
It encloses.
Claims (22)
1. a kind of side for being used to control orientation visual by being located at the change-over window between the first space and second space
Method, the window have transmissive state and non-transmissive state, have the visuality across the window in the transmissive state,
There is the visuality across the reduction of the window in the non-transmissive state, the method includes：
First switchable light source in first space is provided and provides to control first switchable light source and described
The controller of the switching of change-over window；With
Make switching of the first light source between ON states and OFF state synchronous with the switching of the window, to control from institute
The first space is stated to the visuality of the second space, wherein, the first light source is switched to the ON states depending on described
Window is to be in the non-transmissive state, and wherein in the transmissive state, and the rate of synchronous switching is more than people
The frame per second of eye.
2. according to the method described in claim 1, wherein, switching synchronization is made to include first light source described in optionally switch, is made
When the proper window is in the non-transmissive state, the first light source is in the ON states, to provide from described first
Space is to the visuality of the second space and inhibition is from the second space to the visuality in first space.
3. according to the method described in claim 1, wherein, switching synchronization is made to include first light source described in optionally switch, is made
When the proper window is in the transmissive state, the first light source is in the ON states, to inhibit from the described first sky
Between to the second space visuality and provide from the second space to the visuality in first space.
4. according to the method described in claim 2, wherein, switching synchronization is made to include controlling cutting for the first light source and window
It changes so that be essentially prevented from the visuality from the second space to first space.
5. according to the method described in claim 3, wherein, switching synchronization is made to include controlling cutting for the first light source and window
It changes so that the visuality from first space to the second space is provided.
6. the method according to any one of the preceding claims, wherein, switching synchronization is made to include switching first light
Source so that the time span that the light source is in the ON states is longer than the time span that the light source is in the OFF state.
7. the method according to any one of claim 1 to 6, wherein, switching synchronization is made to include switching first light
Source so that the time span that the light source is in the ON states is shorter than the time that the first light source is in the OFF state
Length.
8. the method according to any one of claim 1 to 6, wherein, switch step is included according to the second space
In illumination condition, compared to the time span that the first light source is in the OFF state, the first light source is controlled to be in
The time span of the ON states.
9. according to the method described in claim 8, wherein, the time span is controlled to include when the illumination in the second space
During reduction, compared to the time span that the first light source is in the OFF state, increase the first light source and be in the ON
The time span of state.
10. according to the method described in claim 8, wherein, the time span is controlled to include the illumination when the second space
During increase, compared to the time span that the first light source is in the OFF state, reduce the first light source and be in the ON
The time span of state.
11. according to the method described in claim 8, wherein, first space is the space of interior of building, and described
Two spaces are the spaces outside the building, and the time span is controlled to be included in night compared to the first light source
Time span in the OFF state increases the first light source and is in the time span of the ON states and on daytime
Compared to the time span that the first light source is in the OFF state, reduce the first light source and be in the ON states
Time span.
12. according to the method described in claim 1, further comprise：
Second switchable light source is provided in the second space；With
Make switching of the second light source between ON states and OFF state synchronous with the switching of the window, to control from institute
Second space is stated to the visuality in first space, and wherein, the rate of synchronous switching is more than the frame per second of human eye.
13. according to the method described in claim 1, further comprise：
Second switchable light source is provided in the second space；
Control the switching of the first light source and second light source so that the illumination period of the first light source and the second light source
Illumination period it is identical；With
Compared to the time span that the second light source is in the ON states, the first light source is controlled to be in the ON states
Time span so that be different from from first space to the visuality of the second space from the second space to described
The visuality in the first space.
14. the method according to claim 11, wherein, when the window is in the non-transmissive state, described first
Light source and the second light source are in the ON states.
15. a kind of system for controlling the orientation between the first space and second space visual, the system comprises：
Change-over window, between first space and the second space, the window has transmissive state and non-
State is penetrated, in transmissive state there is the visuality across the window, have in non-transmissive state across the window
The visuality of reduction；
The first switchable light source in the first space；With
Controller, for controlling the switching of first switchable light source and the change-over window,
Wherein, the controller is configured to make switching of the first light source between ON states and OFF state and the window
Switching synchronize, to control visuality from first space to the second space so that according to the window be to be in
The transmissive state is in the non-transmissive state, and the first light source is switched to the ON states, and wherein, institute
It states controller and switches the window and the first light source between each state to be more than the rate of the frame per second of human eye.
16. system according to claim 15, wherein, the controller is configured to make the switching of the first light source same
Step so that when the window is in the non-transmissive state, the first light source is in the ON states, to provide from described
First space is to the visuality of the second space and inhibition is from the second space to the visuality in first space.
17. system according to claim 15, wherein, the controller is configured to make the switching of the second light source same
Step so that the second light source is in the ON states when the window be in the non-transmissive state, with inhibition from described
First space is to the visuality of the second space and offer is from the second space to the visuality in first space.
18. system according to claim 15, wherein, the controller is configured to the illumination shape according to the second space
State compared to the time span that the first light source is in the OFF state, controls the first light source to be in the ON states
Time span.
19. system according to claim 15 further comprises the second switchable light source in the second space,
In, controller configuration in order to control second switchable light source between ON states and OFF state to be more than the human eye
The frame per second rate switching so that when the second light source is in the ON states, the change-over window is in institute
Transmissive state is stated, and when the second light source is in the OFF state, the change-over window is in the non-transmissive shape
State.
20. system according to claim 15 further comprises the second switchable light source in the second space,
In, the switching of the first light source and second light source in order to control is configured in the controller so that the illumination week of the first light source
Phase is identical with the illumination period of the second light source, and is additionally configured to be in the ON states compared to the second light source
Time span controls the first light source to be in the time span of the ON states so that from first space to described
The visuality in two spaces is different from the visuality from the second space to first space.
21. a kind of wall for separating the first space and second space, the wall includes being located at first space and described second
Ontology between space, the ontology include the system according to any one of claim 15 to 20.
22. a kind of building for including wall according to claim 21.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG10201508608T | 2015-10-16 | ||
| SG10201508608T | 2015-10-16 | ||
| PCT/SG2016/050505 WO2017065693A1 (en) | 2015-10-16 | 2016-10-14 | One-way vision privacy window based on light emitting diodes and switchable glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108139615A true CN108139615A (en) | 2018-06-08 |
Family
ID=58518359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680060525.1A Pending CN108139615A (en) | 2015-10-16 | 2016-10-14 | One-way vision secret window based on light emitting diode and changeable glass |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108139615A (en) |
| SG (1) | SG11201802992XA (en) |
| WO (1) | WO2017065693A1 (en) |
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| CN111308751A (en) * | 2020-04-14 | 2020-06-19 | 南方科技大学 | Control method and circuit of privacy window and isolation system |
| WO2020125568A1 (en) * | 2018-12-21 | 2020-06-25 | 杭州奇塑科技有限公司 | Unidirectional glass utilizing persistence of vision of human eyes |
| CN113796061A (en) * | 2019-04-23 | 2021-12-14 | 贝克曼库尔特有限公司 | Preventing information exposure to laboratory instruments |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7006306B2 (en) * | 2018-01-24 | 2022-02-10 | トヨタ自動車株式会社 | vehicle |
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Also Published As
| Publication number | Publication date |
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| WO2017065693A1 (en) | 2017-04-20 |
| SG11201802992XA (en) | 2018-05-30 |
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Application publication date: 20180608 |