CN107680543A - Anti-peeping safety display method, there is the safety display method and secure display system for taking advantage of pseudo- effect - Google Patents
Anti-peeping safety display method, there is the safety display method and secure display system for taking advantage of pseudo- effect Download PDFInfo
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- CN107680543A CN107680543A CN201710789961.9A CN201710789961A CN107680543A CN 107680543 A CN107680543 A CN 107680543A CN 201710789961 A CN201710789961 A CN 201710789961A CN 107680543 A CN107680543 A CN 107680543A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
Abstract
The present invention provides a kind of anti-peeping safety display method, and step includes：Receive a Secret Image, an assistant images are produced according to this, the Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, the pure color gray level image that a bore hole is seen is presented, one shutter synchronization glasses are opened and closed with identical FREQUENCY CONTROL, only to catch the Secret Image.The present invention also provides a kind of safety display method for having and taking advantage of pseudo- effect, and step includes：Receive an initial secret image and a camouflage test, a Secret Image and an assistant images are produced using gamma transformation and intensification modulation method, and the Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, the camouflage test that a bore hole is seen is presented, one shutter synchronization glasses with the display module identical FREQUENCY CONTROL to be opened and closed, only to catch the Secret Image.The present invention also provides a kind of secure display system.
Description
Technical field
The present invention relates to safe display field, more particularly to a kind of anti-peeping safety display method, it is a kind of have take advantage of puppet
The safety display method of effect and a kind of secure display system.
Background technology
Current mankind society comes into the information age, and information turns into important composition portion indispensable during we live
Point.And acquisition, grasp and the processing of information be unable to do without the Display Technique of growing progress.Current main-stream Display Technique includes：
Lcd technology (Liquid Crystal Display, LCD), organic light-emitting diode display technology (Organic
Light-Emitting Diode, OLED) and projection display technique.Wherein, LCD is low with technology maturity height, manufacturing cost
Advantage turns into the most wide Display Technique of popularization degree instantly；OLED is widely paid close attention to and supported in recent years, because its self-luminous is special
Property possess high contrast, there is prominent advantage in terms of display effect and power consumption；Projection display technique because its brightness is high,
It is easy to carry, it is primarily adapted for use in public arena.
Display device is the main path that current people obtain information.And believe for peeping for display device caused by burglary
Breath is leaked to individual privacy protection and national security brings serious threat, therefore in the higher occasion of confidentiality requirement, possesses
The secure display device of anti-peeping function possesses the wide market demand.
The secure display system of main flow is based primarily upon liquid crystal display panel improvement at present.The anti-peeping liquid crystal display system of early stage
System is as shown in figure 1, including liquid crystal panel 101 and polarization type glasses 102.Wherein liquid crystal panel 101 includes：It is sequentially overlapped together
Backlight 1011, polaroid 1012 and liquid crystal layer 1013.The polarisation direction of principal axis of polarization type glasses 102 and polaroid 1012 is mutual
Vertically.Compared with conventional liquid crystal, liquid crystal panel 101 only has down polaroid, lacks upper polaroid, therefore bore hole viewing is aobvious
It is a piece of white when showing system, only when wearing polaroid glasses 102, can just obtains display information.The system can only worn
Polaroid glasses are applicable, and can not take into account the needs of common work crowd, therefore the scope of application is narrower.
Two kinds of demands are shown to take into account the common display of display and safety, number of patent application is 2016108848732
Chinese patent " peep-proof liquid crystal display panel and its method of work " invents a kind of multi-functional peep-proof type liquid crystal display systems.The system
As shown in Fig. 2 including double-layer liquid crystal display panel 201 and polarization type glasses 202.Wherein double-layer liquid crystal display panel 201 includes：
It is sequentially overlapped backlight 2011, the first polaroid 2012, the first liquid crystal layer 2013, the second polaroid 2014 and second together
Liquid crystal layer 2015.Under general display mode, backlight 2011, the first polaroid 2012, the first liquid crystal layer 2013 and the second polarisation
Piece 2014 forms traditional liquid crystal display panel, and the second liquid crystal layer 2015 does not have any impact to the brightness of bottom, therefore
It is that can watch display information that general population, which does not have to wear polarization type glasses,.Under safe display pattern, the second polaroid 2014 is permitted
Perhaps the light of the first liquid crystal layer 2013 is passed through all by the way that therefore under bore hole situation, display system is a piece of white；Second polaroid
2014 is orthogonal with the polarizing axis of polarization type glasses 202, and the polarization direction of bottom light is controlled by the second liquid crystal layer 2015, because
This user side for only wearing polarization type glasses can obtain display information.The system can meet common display and safety display two simultaneously
Kind demand, but display system uses dual-layered liquid crystal, and manufacturing process is complicated, causes cost to raise.
The content of the invention
It is an object of the invention to provide a kind of anti-peeping safety display method, passes through caused assistant images and secret
Image produces a width pure color gray level image under visual persistence effect, and the safe display that playing prevents from peeping acts on.Also provide one
Kind with taking advantage of the safety display method of pseudo- effect, produced by caused assistant images with Secret Image under visual persistence effect
The camouflage test that one width is specified, realize the safe display effect of deception person of peeping.A kind of secure display system, Ke Yishi are also provided
Existing anti-peeping demand for security, the effect that a width camouflage test realizes deception person of peeping can also be provided, further enhancing aobvious
Show the security of system, without using complicated technologies such as dual-layered liquid crystals, reduce manufacturing cost.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of anti-peeping safety display method, step include：
Receive a Secret Image to be protected；
One assistant images are produced according to the Secret Image；
The Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, are presented one
The pure color gray level image that bore hole is seen；
One shutter synchronization glasses with the display module identical FREQUENCY CONTROL to be opened and closed, only to catch the secret figure
Picture.
Further, the shutter synchronization glasses are kept and the display module same frequency according to a synchronizing signal
Rate.
Further, the algorithm for producing the assistant images is A=(1-Sγ)1/γ, wherein A is assistant images, and S is secret
Image, γ are the gamma value of display module.
Further, the frequency is more than or equal to 120Hz.
A kind of to have the safety display method for taking advantage of pseudo- effect, step includes：
Receive an initial secret image and a camouflage test to be protected；
According to the initial secret image and camouflage test, a secret figure is produced using gamma transformation and intensification modulation method
Picture and an assistant images；
The Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, are presented one
The camouflage test that bore hole is seen；
One shutter synchronization glasses with the display module identical FREQUENCY CONTROL to be opened and closed, only to catch the secret figure
Picture.
Further, the shutter synchronization glasses are kept and the display module same frequency according to a synchronizing signal
Rate.
Further, the gamma transformation and include the step of intensification modulation method：
The initial secret image and camouflage test are converted to brightness view S through gamma transformation from gray scale viewL、ML, it is public
Formula is：SL=Sγ, ML=Mγ；Wherein S is initial secret image, and M is camouflage test, and γ is the gamma value of display module；
Brightness space is located to the brightness view S of (0,1)L、MLBrightness space is transformed to by brightness space to be located at
(1/3,2/3) brightness view S 'L、M′L；
The brightness view A of the assistant images is produced by brightness differenceL=2M 'L-S′L；
By the brightness view S 'LAnd ALThe Secret Image of intensification modulation is produced by inverse gamma transformation and auxiliary is schemed
Picture, formula are：S '=(S 'L)1/γ, A=(AL)1/γ；Wherein S ' is Secret Image, and A is assistant images.
Further, the frequency is more than or equal to 120Hz.
A kind of secure display system, including a display unit main body and a shutter synchronization glasses, the display unit main body bag
Include：
One mode control module, for selecting anti-peeping display pattern or camouflage display pattern；
One image input module, the pattern selected according to the mode control module, controls the input of display image；
One image processing module, the pattern selected according to the mode control module, is schemed accordingly to display image
As processing；
One signal synchronization module, the pattern selected according to the mode control module, launch synchronizing signal；
One display module, show for liquid crystal display (LCD), Organic Light Emitting Diode of the refreshing frequency more than or equal to 120Hz
Show device (OLED) or projector apparatus；
The shutter synchronization glasses receive the synchronizing signal sent from the signal synchronization module, control eyeglass according to this
Opening and closing.
Further, the bilateral eyeglass of the shutter synchronization glasses has identical synchronous mode.
Further, the mode control module is additionally operable to select general display mode.
The anti-peeping safety display method of the present invention is pressed by producing assistant images on display module with Secret Image
Alternately shown according to certain refreshing frequency, bore hole can be made to watch a width pure color gray level image, and substantially Secret Image and auxiliary is schemed
As the Overlay under human eye vision persistence effect；And when wearing synchronous glasses, shielded secret figure can be watched
Picture, thus reaching neither influences viewing, moreover it is possible to prevents other people from peeping, reaches the purpose shown safely.
It is provided by the invention that there is the safety display method for taking advantage of pseudo- effect by entering to initial secret image and camouflage test
Row processing, produces Secret Image and assistant images and carries out the alternating of certain refreshing frequency and show, can make one bore hole watch it is given
Camouflage test, substantially it is folded under human eye vision persistence effect for the Secret Image after intensification modulation and assistant images
Add effect；And when wearing synchronous glasses, the Secret Image that can watch after intensification modulation, thus reaching neither influences to see
See, and can visually cheats other people using camouflage test, reaches the purpose shown safely.
Secure display system provided by the invention had both met common display demand by the selection of Three models, again can be with
Anti-peeping demand for security is realized, the effect that a width camouflage test realizes deception person of peeping can also be provided, further enhancing
The security of display system, without using complicated technologies such as dual-layered liquid crystals, reduce manufacturing cost.
Brief description of the drawings
Fig. 1 is traditional anti-peeping liquid crystal display systems structural representation in the prior art.
Fig. 2 is improved double-deck peep-proof liquid crystal display systems structural representation in the prior art.
Fig. 3 is a kind of anti-peeping safety display method flow chart of the present invention.
Fig. 4 is that a kind of of the present invention has the safety display method flow chart for taking advantage of pseudo- effect.
Fig. 5 is gamma transformation and intensification modulation method flow diagram.
Fig. 6 is the secure display system structural representation of the present invention.
Embodiment
To enable the features described above of the present invention and advantage to become apparent, special embodiment below, and coordinate institute's accompanying drawing to make
Describe in detail as follows.
The present embodiment provides a kind of anti-peeping safety display method, and Fig. 3 is its flow chart, and step includes：
1) a Secret Image S to be protected is received；
2) according to the Secret Image S, A=(1-S are utilizedγ)1/γProduce an assistant images A；
3) by a display module with one more than or equal to 120Hz fixation refreshing frequency alternately show the Secret Image and
Assistant images, the pure color gray level image that a bore hole is seen is presented；
4) a shutter synchronization glasses keep being opened and closed with identical FREQUENCY CONTROL according to a synchronizing signal, only to catch institute
State Secret Image S information.
The present embodiment also provides a kind of safety display method for having and taking advantage of pseudo- effect, and Fig. 4 is its flow chart, and step includes：
1) an an initial secret image S to be protected and camouflage test M is received；
2) according to the initial secret image S and camouflage test M, first secretary is produced using gamma transformation and intensification modulation method
A close image S ' and assistant images A；
3) the Secret Image S ' is alternately shown with a fixation refreshing frequency more than or equal to 120Hz by a display module
With assistant images A, the camouflage test M ' that a bore hole is seen is presented；
4) a shutter synchronization glasses are opened and closed according to a synchronizing signal with identical FREQUENCY CONTROL, only to catch the secret
Image S ' information.
It is above-mentioned that secret figure is produced using gamma transformation and intensification modulation method according to initial secret image S and camouflage test M
As S ' and assistant images A method flow is as shown in figure 5, step is as follows：
1) initial secret image S and camouflage test M is converted to brightness view, S through gamma transformation from gray scale viewL=Sγ,
ML=Mγ, wherein γ is the gamma value of display device；
2) brightness space is located to the brightness view S of (0,1)L,MLThrough brightness space be transformed to brightness space positioned at (1/3,
2/3) brightness view S 'L,M′L；
3) the brightness view A of assistant images is produced through brightness difference againL=2M 'L-S′L；
4) finally by brightness view S 'LAnd ALThe Secret Image S ' and assistant images of intensification modulation are produced through inverse gamma transformation
A, formula are S '=(S 'L)1/γ, A=(AL)1/γ；Secret Image S ' and assistant images A can be by people's outlooks under visual persistence effect
Not Wei intensification modulation camouflage test M ', pseudo- effect is taken advantage of to person of peeping so as to realize.
The present embodiment also provides a kind of secure display system, and it has anti-peeping and takes advantage of pseudo- effect, its structure such as Fig. 6 institutes
Show, including：One display unit main body 301 and a shutter synchronization glasses 302.Wherein, display unit main body 302 includes：
One mode control module, for selecting general display mode, anti-peeping display pattern or camouflage display pattern；
One image input module, the pattern selected according to mode control module, controls the input of display image；
One image processing module, the pattern selected according to mode control module, display image is located accordingly
Reason；
One signal synchronization module, the pattern selected according to mode control module, launch synchronizing signal；Display module, can be
Refreshing frequency is more than or equal to 120Hz LCD, OLED or projector apparatus.
Shutter synchronization glasses 302 receive the synchronizing signal sent from signal synchronization module, and control eyeglass is opened and closed, wherein
Bilateral eyeglass has identical synchronous mode, i.e., opens or close simultaneously simultaneously.
The system combines above-mentioned anti-peeping safety display method, and anti-peeping safe display effect, work can be achieved
Process is as follows：
1) when mode control module selects anti-peeping display pattern；
2) the shielded Secret Image S of image input module control input；
3) image processing module calculates according to Secret Image S and produces assistant images A=(1-Sγ)1/γ, γ is display device
Gamma value, S and A are sent to display module；
4) S and A is driven LCD, OLED or projector equipment by display module with the fixation refreshing frequency f more than or equal to 120Hz
Sequentially rotation is shown；
5) signal synchronization module with display device identical frequency f send synchronizing signal；
6) shutter synchronization glasses receive synchronizing signal, with frequency f driving glasses opening and closings, it is allowed to which Secret Image S passes through resistance
Only assistant images A passes through.
Under this pattern：Secret Image S and assistant images A is superposed to a width pure color gray-scale map under human eye vision persistence effect
Picture, therefore can not observe secret information under people's bore hole situation；And when in the presence of synchronous glasses 302, can be from display
On watch Secret Image S.
The system combines the above-mentioned safety display method for having and taking advantage of pseudo- effect, can be achieved to take advantage of the safe display effect of puppet,
The course of work is as follows：
1) during mode control module selection camouflage display pattern；
2) the shielded initial secret image S of image input module control input one and a width are used for the figure for pretending display
As M；Image processing module according to initial secret image S and camouflage test M, calculate produce Secret Image S ' through intensification modulation and
Assistant images A, and send to display module；
3) display module drives Secret Image S ' and assistant images A with the fixation refreshing frequency f more than or equal to 120Hz
Sequentially rotation is shown for LCD, OLED or projector equipment；
4) signal synchronization module with display device identical frequency f send synchronizing signal；
5) shutter synchronization glasses receive synchronizing signal, with frequency f driving glasses opening and closings, it is allowed to which S ' is by preventing A from leading to
Cross.
Under this pattern：Camouflage test information after can watching intensification modulation from display unit main body under people's bore hole situation, it is real
Matter is S ' and Overlays of the A under human eye vision persistence effect；And when wearing synchronous glasses, it can be watched from display
Secret Image information S ' after to intensification modulation.
In addition, the system also provides a kind of common display function, the course of work is as follows：
1) mode control module selection general display mode；
2) image input module control input display image S；
3) image processing module sends display image S to display module；
4) display module drives LCD, OLED or projector equipment to be shown with normal refresh frequency；
5) signal synchronization module does not send synchronizing signal；
6) shutter synchronization glasses allow all optical signals to pass through.
Under this pattern：People can watch identical in the case where wearing shutter synchronization glasses and bore hole situation from display unit main body
Display information, suitable for the situation that image need not be protected to be peeped.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, the ordinary skill of this area
Technical scheme can be modified by personnel or equivalent substitution, without departing from the spirit and scope of the present invention, this
The protection domain of invention should be to be defined described in claims.
Claims (10)
1. a kind of anti-peeping safety display method, step include：
Receive a Secret Image to be protected；
One assistant images are produced according to the Secret Image；
The Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, a bore hole is presented
The pure color gray level image seen；
One shutter synchronization glasses with the display module identical FREQUENCY CONTROL to be opened and closed, only to catch the Secret Image.
A kind of 2. anti-peeping safety display method according to claim 1, it is characterised in that the shutter synchronization eye
Mirror keeps frequency identical with the display module according to a synchronizing signal.
3. a kind of anti-peeping safety display method according to claim 1, it is characterised in that produce the assistant images
Algorithm be A=(1-Sγ)1/γ, wherein A is assistant images, and S is Secret Image, and γ is the gamma value of display module.
4. a kind of anti-peeping safety display method according to claim 1, it is characterised in that the frequency is more than or equal to
120Hz。
5. a kind of have the safety display method for taking advantage of pseudo- effect, step includes：
Receive an initial secret image and a camouflage test to be protected；
According to the initial secret image and camouflage test, using gamma transformation and intensification modulation method produce a Secret Image and
One assistant images；
The Secret Image and assistant images are alternately shown with a refreshing frequency fixed by a display module, a bore hole is presented
The camouflage test seen；
One shutter synchronization glasses with the display module identical FREQUENCY CONTROL to be opened and closed, only to catch the Secret Image.
It is 6. according to claim 5 a kind of with the safety display method for taking advantage of pseudo- effect, it is characterised in that the shutter
Synchronous glasses keep frequency identical with the display module according to a synchronizing signal.
It is 7. according to claim 5 a kind of with the safety display method for taking advantage of pseudo- effect, it is characterised in that the gamma becomes
Change and include the step of intensification modulation method：
The initial secret image and camouflage test are converted to brightness view S through gamma transformation from gray scale viewL、ML, formula is：
SL=Sγ, ML=Mγ；Wherein S is initial secret image, and M is camouflage test, and γ is the gamma value of display module；
Brightness space is located to the brightness view S of (0,1)L、MLBy brightness space be transformed to brightness space positioned at (1/3,
2/3) brightness view S 'L、M′L；
The brightness view A of the assistant images is produced by brightness differenceL=2M 'L-S′L；
By the brightness view S 'LAnd ALThe Secret Image and assistant images of intensification modulation are produced by inverse gamma transformation, it is public
Formula is：S '=(S 'L)1/γ, A=(AL)1/γ；Wherein S ' is Secret Image, and A is assistant images.
It is 8. according to claim 5 a kind of with the safety display method for taking advantage of pseudo- effect, it is characterised in that the frequency is big
In equal to 120Hz.
9. a kind of secure display system, including a display unit main body and a shutter synchronization glasses, the display unit main body include：
One mode control module, for selecting anti-peeping display pattern or camouflage display pattern；
One image input module, the pattern selected according to the mode control module, controls the input of display image；
One image processing module, the pattern selected according to the mode control module, display image is carried out at corresponding image
Reason；
One signal synchronization module, the pattern selected according to the mode control module, launch synchronizing signal；
One display module, for liquid crystal display (LCD) of the refreshing frequency more than or equal to 120Hz, organic light emitting diode display
Or projector apparatus (OLED)；
The shutter synchronization glasses receive the synchronizing signal sent from the signal synchronization module, control eyeglass to open according to this
Close.
10. a kind of secure display system according to claim 9, it is characterised in that the mode control module is additionally operable to
Select general display mode.
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| CN201710789961.9A CN107680543B (en) | 2017-09-05 | 2017-09-05 | Anti-peeping security display method, security display method with anti-cheating effect and security display system |
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| CN201710789961.9A CN107680543B (en) | 2017-09-05 | 2017-09-05 | Anti-peeping security display method, security display method with anti-cheating effect and security display system |
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| CN111312073A (en) * | 2020-02-25 | 2020-06-19 | 深圳市隆利科技股份有限公司 | Peep-proof display screen and electronic equipment |
| CN112599079A (en) * | 2020-12-17 | 2021-04-02 | 郑州胜龙信息技术股份有限公司 | Display information protection method and LED display system |
| CN112599068A (en) * | 2020-12-17 | 2021-04-02 | 王鹏 | White display control method of color display screen |
| CN112687240A (en) * | 2020-12-18 | 2021-04-20 | 郑州胜龙信息技术股份有限公司 | Display information protection method, display and display equipment |
| CN113268786A (en) * | 2021-07-19 | 2021-08-17 | 军事科学院系统工程研究院网络信息研究所 | Peep-proof display method based on visual persistence time domain chopping |
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