CN109284640A - A kind of method, apparatus of peep-proof, electronic equipment and stereoscopic display device - Google Patents
A kind of method, apparatus of peep-proof, electronic equipment and stereoscopic display device Download PDFInfo
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- CN109284640A CN109284640A CN201811210251.7A CN201811210251A CN109284640A CN 109284640 A CN109284640 A CN 109284640A CN 201811210251 A CN201811210251 A CN 201811210251A CN 109284640 A CN109284640 A CN 109284640A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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Abstract
The present invention relates to peep-proof technical fields, disclose method, apparatus, electronic equipment and the stereoscopic display device of a kind of peep-proof.Wherein, the method for the peep-proof includes: to obtain the viewing location of user；Judge whether the viewing location is in default viewing areas；If so, according to the viewing location, determine the stereoscopic display device destination display area and non-targeted display area；The displaying target image on the destination display area carries out peep-proof processing on the non-targeted display area.In the above manner, the present embodiment can carry out peep-proof by adjusting row's figure mode of screen, screen normal use brightness will not be reduced, and being capable of effective peep-proof.
Description
Technical field
The present invention relates to peep-proof technical fields, aobvious more particularly to a kind of method, apparatus of peep-proof, electronic equipment and solid
Show equipment.
Background technique
With the development of image display technology, bore hole stereoscopic display equipment is more and more widely used.In naked eye
User can be obtained high validity stereo vision experience depending on tool without wearing any auxiliary in stereo display technique.Move end
The bore hole stereoscopic display at end also obtains more and more users' favor.
With the development of internet technology, mobile terminal, such as smart phone have come into huge numbers of families, in particular with shifting
Dynamic payment is popularized, and mobile terminal has been not only mobile phone, has become our wallet, and mobile payment majority occurs
In public, it is likely to be stolen by other people with private informations such as passwords in crowded public situation our payment accounts
It takes, cannot be guaranteed property safety.And bore hole stereoscopic display mobile terminal has very strong three-dimensional sense, and it is trueer to bring user
The visual experience shaken in fact has very wide development space.
The main peep-proof means of mobile terminal are at present: increasing by one layer of inside on the screen of the mobile terminal has miniature hundred
The peep-proof film of leaf window construction, but after increasing peep-proof film, will be greatly reduced the brightness of screen, mobile terminal needs to increase power consumption
It can be only achieved enough brightness, so that mobile terminal cruising ability substantially reduces.
Inventor has found during implementing the embodiment of the present invention: in bore hole stereoscopic display mobile terminal, terminal sheet
The screen intensity of body can be slightly below ordinary terminal, and after increasing peep-proof film, the problem of luminance shortage can more be protruded, and
And peep-proof film can only make a direction visible angle of mobile terminal be down to 30 ° or so, peep-proof effect is bad.
Summary of the invention
In order to solve the above technical problems, it is an object of that present invention to provide a kind of method, apparatus of peep-proof, electronic equipment and standing
Body shows equipment, will not reduce screen normal use brightness, and being capable of effective peep-proof.
In a first aspect, the present invention provides a kind of method of peep-proof, it is applied to stereoscopic display device, comprising: obtain user's
Viewing location；Judge whether the viewing location is in default viewing areas；If so, according to the viewing location, described in determination
The destination display area of stereoscopic display device and non-targeted display area；The displaying target image on the destination display area,
Peep-proof processing is carried out on the non-targeted display area.
Wherein, the viewing location includes the first position of human eye and the second position of human eye, and the default viewing areas includes
First subregion and the second subregion；It is described to judge whether the viewing location is in default viewing areas, it specifically includes: judgement
Whether first position of human eye is in first subregion, also, judges whether second position of human eye is in described
Second subregion；If first position of human eye is in first subregion, second position of human eye is in described second
Subregion, then the viewing location is in the default viewing areas；Otherwise, then the viewing location is not at the default sight
See region.
Wherein, described according to the viewing location, determine the destination display area of the stereoscopic display device and non-targeted
Display area, comprising: according to the viewing location and default visual angle, calculate target and show length；It is shown and is grown according to the target
Degree, determines the destination display area；According to the destination display area, the non-targeted display area is determined.
Wherein, described according to the viewing location, determine the destination display area of the stereoscopic display device and non-targeted
Display area, further includes: judge that the target shows the size of length and default interpupillary distance；If the target shows that length is greater than institute
Default interpupillary distance is stated, then shows length for the default interpupillary distance as target.
Wherein, the target image includes left eye target image and right eye target image, described in the target viewing area
Displaying target image on domain, comprising: obtain sub-pixel point in the destination display area；It is established in the destination display area
Coordinate system calculates the location index value of the sub-pixel point；Compare the size of the location index value and predeterminated position threshold value, if
The location index value is more than or equal to the predeterminated position threshold value, then shows right eye target image in the sub-pixel point,
If the location index value is less than or equal to the predeterminated position threshold value, the sub-pixel point shows left eye target image.
Wherein, described that peep-proof processing is carried out on the non-targeted display area, comprising: in the non-targeted display area
Display interference image closes the non-targeted display area.
Wherein, the method also includes: if the viewing location is not at the default viewing areas, remind logical
Know, and return to the viewing location for obtaining user, the step of whether viewing location is in default viewing areas judged, directly
The default viewing areas is in the viewing location.
Wherein, the stereoscopic display device is equipped with peep-proof layer, the method also includes: receive advanced peep-proof instruction；According to
The advanced peep-proof instruction, controls the peep-proof layer and carries out peep-proof.
Second aspect, the present invention provide a kind of device of peep-proof, are applied to stereoscopic display device, comprising: obtain module, use
In the viewing location for obtaining user；Judgment module, for judging whether the viewing location is in default viewing areas；Determine mould
Block, be used to determine if so, according to the viewing location stereoscopic display device destination display area and non-targeted viewing area
Domain；Display module is prevented on the non-targeted display area for the displaying target image on the destination display area
Peep processing.
Wherein, the viewing location includes the first position of human eye and the second position of human eye, and the default viewing areas includes
First subregion and the second subregion, the judgment module are specifically used for: judging whether first position of human eye is in described
First subregion, also, judge whether second position of human eye is in second subregion；If first position of human eye
It is in second subregion in the first subregion, second position of human eye, then the viewing location is in described default
Viewing areas；Otherwise, then the viewing location is not at the default viewing areas.
Wherein, the determining module includes: length computation unit, for according to the viewing location and default visual angle, meter
It calculates target and shows length；First determination unit determines the destination display area for showing length according to the target；The
Two determination units, for determining the non-targeted display area according to the destination display area.
Wherein, the determining module further include: judging unit, for judging that the target shows length and default interpupillary distance
Size；Third determination unit, if for the target show length be greater than the default interpupillary distance, using the default interpupillary distance as
Target shows length.
Wherein, the target image includes left eye target image and right eye target image, and the display module includes: time picture
Plain acquiring unit, for obtaining sub-pixel point in the destination display area；Position calculation unit, for being shown in the target
Coordinate system is established in region, calculates the location index value of the sub-pixel point；Display unit is used for the location index value
With the size of predeterminated position threshold value, if the location index value be greater than the predeterminated position threshold value, in the sub-pixel point
Color value shows the color value of right eye target image, described secondary if the location index value is less than the predeterminated position threshold value
The color value of pixel shows the color value of left eye target view.
Wherein, the display module further include: interference unit, in the nontarget area display interference image or
Close the non-targeted display area.
Wherein, described device further include: reminding module, if being not at the default viewing area for the viewing location
Domain carries out alert notification, and returns to the acquisition module, the judgment module, until the viewing location is in described default
Viewing areas.
Wherein, the stereoscopic display device is equipped with peep-proof layer, described device further include: advanced peep-proof command reception module,
For receiving advanced peep-proof instruction；Advanced peep-proof module controls the peep-proof layer and carries out for being instructed according to the advanced peep-proof
Peep-proof.
The third aspect, the present invention provide a kind of electronic equipment, including at least one processor；And with described at least one
The memory of a processor communication connection；Wherein, the memory is stored with the finger that can be executed by least one described processor
It enables, described instruction is executed by least one described processor, so that at least one described processor is able to carry out first aspect institute
The method stated.
Fourth aspect, the present invention provide a kind of stereoscopic display device, and the stereoscopic display device is used for and above-mentioned electronics
Equipment connection.
Wherein, the stereoscopic display device includes 3 d display device；The 3 d display device include display panel and
Liquid crystal slit grating, the liquid crystal slit grating are set on the display surface of the display panel, the display panel and the electricity
Sub- equipment connection.
Wherein, the stereoscopic display device further include: peep-proof layer, the peep-proof layer horizontal cover are filled set on the stereoscopic display
It sets, the peep-proof layer is connect with the electronic equipment.
Wherein, the peep-proof layer is slit grating, and the grating aperture opening ratio of the liquid crystal slit grating is more than or equal to institute
The grating aperture opening ratio of peep-proof layer is stated, the liquid crystal slit grating is more than or equal to 50 microns at a distance from the peep-proof layer.
5th aspect, it is described computer-readable to deposit the embodiment of the invention also provides a kind of computer readable storage medium
Storage media is stored with computer executable instructions, and the computer executable instructions are for executing computer described in first aspect
Method.
The beneficial effect of embodiment of the present invention is: the method, apparatus of the peep-proof provided in the present embodiment, electronic equipment and
Stereoscopic display device, by obtaining the viewing location of user, when judging that viewing location is in default viewing areas, according to described
Viewing location determines destination display area and non-targeted display area, and the displaying target image on destination display area, non-
Peep-proof processing is carried out on destination display area, carries out peep-proof by adjusting row's figure mode of screen, will not reduce screen normally makes
With brightness, and being capable of effective peep-proof.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of stereoscopic display device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the 3 d display device of the stereoscopic display device in Fig. 1；
Fig. 3 be another embodiment of the present invention provides a kind of stereoscopic display device partial structure diagram；
Fig. 4 is a kind of flow diagram of the method for peep-proof provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of default viewing areas provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of destination display area provided in an embodiment of the present invention；
Fig. 7 is the partial schematic diagram of destination display area provided in an embodiment of the present invention；
Fig. 8 is a kind of the functional block diagram of the device of peep-proof provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element or therebetween
There may be one or more elements placed in the middle.When an element is expressed " connection " another element, it, which can be, directly connects
It is connected to another element or there may be one or more elements placed in the middle therebetween.Term used in this specification is " vertical
", " horizontal ", "left", "right", "upper", "lower", "inner", "outside", the instructions such as " bottom " orientation or positional relationship be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively heavy
The property wanted.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to
The normally understood meaning of the technical staff in domain is identical.It is specific to be intended merely to description for used term in the description of the invention
Embodiment purpose, be not intended to limitation the present invention.Term "and/or" used in this specification includes one or more phases
Any and all combinations of the listed item of pass.
In addition, as long as technical characteristic involved in invention described below difference embodiment is not constituted each other
Conflict can be combined with each other.
Real world is made of three length, width and height dimensions, we just live in this three-dimensional world daily
In, in order to make object and the scene of display that there is sense of depth i.e. 3 D stereo to show that people are one after another to 3 D stereo (3D)
Display technology expansion research.Bore hole stereoscopic display equipment, such as auto-stereoscopic display and auto-stereoscopic display move
Dynamic terminal is widely used in each different field such as advertisement, medium, display and demonstration and video display.Auto-stereoscopic is mobile eventually
End spectators do not need to wear additional ancillary equipment, and naked eye vision has presented sense of depth.The principle of three-dimensional stereo effect are as follows:
Human eye, which watches the image seen when object, has potential difference, and the deviation between two images is referred to as parallax.This parallax, makes people
The distance of object can be distinguished, and obtains three-dimensional sense.
Stereoscopic display device in the embodiment of the present invention can be realized naked eye three-dimensional stereoscopic display, and can effectively prevent
It peeps.
The method of peep-proof in the embodiment of the present invention can be applied to the stereoscopic display device in the present embodiment, will not drop
Low screen normal use brightness, and being capable of effective peep-proof.
The device of peep-proof in the embodiment of the present invention can be used as a software or hardware function units, be independently arranged
In above-mentioned 3 d display device, it can also be used as the one of functional module of integration in the processor, it is real to execute the application
The method for applying the peep-proof of example.
Specifically, it will be illustrated below by embodiment.
Embodiment one
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of stereoscopic display device provided in an embodiment of the present invention.
Wherein, which is the mobile terminal of bore hole stereoscopic display, which can be in movement
Used in computer equipment, be also possible to mobile phone, notebook, tablet computer, POS machine or vehicle-mounted computer.The stereoscopic display
Equipment 100 includes fuselage 10, the 3 d display device 20 being located on fuselage.3 d display device 20 is for showing image, wherein
The image of display can be two dimensional image or 3-D image.
Wherein, referring to Figure 2 together, 3 d display device 20 includes display panel 21 and liquid crystal slit grating 22, liquid crystal
Slit grating 22 is set on the display surface of the display panel 21.Display panel 21 is general to wrap for showing stereoscopic parallax picture
The pixel unit with matrix structure is included, such as can be liquid crystal display panel, Plasmia indicating panel, organic light emitting display face
Plate etc. is illustrated in the present embodiment with liquid crystal display panel.When needing to carry out stereoscopic display, what display panel 21 issued
For light after the modulation of liquid crystal slit grating 22, the light for the left-eye image that display panel 21 is shown is transmitted to space Zhong Guan
Similar in the left eye for the person of examining, the light of eye image is transmitted in space in the right eye of observer, the right and left eyes of observer
The left-eye image and eye image with parallax are received respectively, to form stereoscopic vision in human brain.
In some embodiments, also referring to Fig. 3, stereoscopic display device 100 further includes peep-proof layer 30.Peep-proof layer 30 can
Liquid crystal slit grating is thought, for improving the peep-proof effect of stereoscopic display device 100.Peep-proof layer 30 is covered on liquid crystal slit grating
22, peep-proof layer 30 is arranged in parallel with liquid crystal slit grating 22, when stereoscopic display device 100 is when showing two dimensional image, by anti-
Common peep-proof effect can be realized by peeping layer 30, when stereoscopic display device 100 is when showing three-dimensional image, pass through peep-proof layer 30
Peep-proof effect can be improved.Also, the grating aperture opening ratio of liquid crystal slit grating 22 is greater than the grating aperture opening ratio of peep-proof layer 30, liquid crystal
Slit grating 22 is more than or equal to 50 microns at a distance from peep-proof layer 30, and the light transmission width after peep-proof layer 30 is powered is not more than
20 microns, so that the light passing region of peep-proof layer 30 is at least partially located at the surface of liquid crystal slit grating 22, so as to logical
Peep-proof layer 30 is crossed, realizes preferable peep-proof effect.
Embodiment two
Referring to Fig. 4, Fig. 4 is a kind of flow diagram of the method for peep-proof provided in an embodiment of the present invention.This method is answered
For the stereoscopic display device in embodiment one, the method for the peep-proof includes:
210, the viewing location of user is obtained.
Wherein, the viewing location of user is the phase of the eyes and the 3 d display device 20 of stereoscopic display device 100 of user
To position, the viewing location of user includes the first position of human eye and the second position of human eye, and the first position of human eye can be right eye position
It sets, the second position of human eye can be left eye position.The viewing location for obtaining user, can be by stereoscopic display device 100
Camera is set, and wherein camera can be a camera or multiple cameras, such as can be monocular cam or binocular
Camera etc. can identify the relative position of the eyes of user and the front and rear, left and right of 3 d display device 20 by camera,
To obtain the viewing location of user.
220, judge whether the viewing location is in default viewing areas.
Wherein, presetting viewing areas is preset region, and presetting viewing areas includes the first subregion and the second son
Region, the first subregion and the second subregion are generally diamond-shaped area, positioned at the surface of 3 d display device 20.Wherein, it asks
Together refering to Fig. 5, the setting means for presetting viewing areas can be with are as follows: selects in liquid crystal slit grating 22 near paracentral several
A transmittance section, wherein each transmittance section respectively corresponds a pixel region on display panel 21, each pixel region wraps respectively
Several sub-regions are included, several sub-regions of each pixel region penetrate transmittance section respectively, several rhomboids are collectively formed
Domain.For example, selecting in liquid crystal slit grating 22 near paracentral 5 transmittance sections, wherein 5 transmittance sections respectively correspond display surface
Pixel region A, B, C, D, E for plate 21, each pixel region respectively include four sub-regions (L, R, L, R), pixel region A
The first sub-regions L, the first sub-regions L of pixel region B, the first sub-regions L of pixel region C, pixel region D
The first sub-regions L of first sub-regions L and pixel region E forms diamond-shaped area 4；The second sub-regions of pixel region A
R, the second sub-regions R of the second sub-regions R of pixel region B, the second sub-regions R of pixel region C, pixel region D
With the second sub-regions R of pixel region E, diamond-shaped area 3 is formed；The third sub-regions L of pixel region A, pixel region B
The third sub-regions L's and pixel region E of third sub-regions L, the third sub-regions L of pixel region C, pixel region D
Third sub-regions L forms diamond-shaped area 2；The 4th sub-regions of the 4th sub-regions R of pixel region A, pixel region B
R, the 4th sub-regions R, the 4th sub-regions R of pixel region D and the 4th sub-regions of pixel region E of pixel region C
R forms diamond-shaped area 1.Wherein, each subregion may include one or more pixels.Also, diamond-shaped area 1 and diamond shape
Region 2 is symmetrical, and diamond-shaped area 3 and diamond-shaped area 4 are symmetrical.The diamond-shaped area 2 that will be close to screen center is used as the first subregion, will
Diamond-shaped area 3 is used as the second subregion.
Wherein, when different pixel columns are respectively seen in the left eye of human eye and right eye, horizontal parallax image is formed, then can
See stereo-picture.Judge whether viewing location is in default viewing location, be specifically as follows: whether judging the first position of human eye
In the first subregion, also, judge whether the second position of human eye is in the second subregion；If the first position of human eye is in first
Subregion, the second position of human eye are in the second subregion, then viewing location is in default viewing areas；Otherwise, then viewing location
It is not at default viewing areas.In the present embodiment, judge whether viewing location is in default viewing location, specific embodiment
Are as follows: judge whether right eye position is in diamond-shaped area 2, also, judge whether left eye position is in diamond-shaped area 3, if right eye position
It sets and is in diamond-shaped area 3 in diamond-shaped area 2, left eye position, then viewing location is in default viewing location.
Further, the central point of two neighboring diamond-shaped area is one group and most preferably watches a little, when the first position of human eye and the
For two position of human eye positioned at when most preferably watching point for one group, then the effect for the stereo-picture seen is best.
Further, one group of level most preferably watched between point is 60-65mm away from range, opposite with the interpupillary distance of human eye
It answers, so that default viewing areas more meets the visual custom of human eye.
230, if so, according to the viewing location, the destination display area of the stereoscopic display device and non-targeted is determined
Display area.
Wherein, destination display area and non-targeted display area are the different zones of display panel 21, for example, such as Fig. 6 institute
Show, fill part is destination display area, and no fill part is non-targeted display area, and oblique line portion indicates liquid crystal slit grating
22。
In the present embodiment, it after determining that viewing location is in default viewing areas, according to viewing location, determines three-dimensional
Show equipment destination display area and non-targeted display area, may include: 231, according to viewing location and default visual angle, meter
It calculates target and shows length；232, length is shown according to target, determines destination display area；233, according to destination display area, really
Fixed non-targeted display area.
Wherein, please refer to fig. 5, default visual angle is the maximum visual angle of eyes, specially the first subregion and the second subregion
Most rim ray respectively with 3 d display device 20 angulation α, β.Since the viewing range of eyes is usually identical,
In the present embodiment, taking default visual angle is ω=α=β.According to viewing location and default visual angle, calculates target and shows length, specifically: from
Distance h of the eyes apart from 3 d display device 20 is obtained in viewing location, is obtained by sine,By
In α=β, then l1=l2, l1 are the image indication range in the horizontal direction that left eye can be watched in the second subregion, and l2 is the right side
The horizontal indication range for the image that eye can be seen in the first subregion, can obtain, and target shows length l=l1=l2.Optionally, it is
It can be seen that complete image when making user face 3 d display device 20,60 °≤ω≤85 °.In this example, ω=α
=β=75 °.
Further, when target shows that length is greater than the interpupillary distance of eyes, after step 231, step 230 is also wrapped
It includes: 234, judging that target shows the size of length and default interpupillary distance；If 235, target shows that length is greater than default interpupillary distance, will be pre-
If interpupillary distance shows length as target.Wherein, default interpupillary distance can be the interpupillary distance of the user measured in advance, or system is set
The reference value for the human eye interpupillary distance set.
Wherein, referring to Figure 6 together, after calculating target and showing length, step 232 specifically: shown according to target
Length, calculates target display width according to default Aspect Ratio, and target is shown length and the rectangle that target display width is constituted
Region is as destination display area.Wherein, the range for presetting Aspect Ratio is 1 < target display length: target display width <
1.8, in this example, target shows that the ratio of length and target display width takes 1.3.After obtaining destination display area, step
Rapid 233 specifically: using the region in 3 d display device 20 in addition to destination display area as non-targeted display area.
240, the displaying target image on the destination display area carries out at peep-proof on the non-targeted display area
Reason.
Wherein, target image is the image for needing to show user, and target image includes left eye target image and the right side
Eyes logo image, to form horizontal parallax image.
In the present embodiment, according to determining destination display area, the displaying target image on destination display area, packet
It includes: 241, obtaining sub-pixel point in the destination display area；242, the location index value of the sub-pixel point is calculated；243, compare
The size of the location index value and predeterminated position threshold value, if the location index value is greater than the predeterminated position threshold value,
The color value of right eye target image is shown in the color value of the sub-pixel point, if the location index value is less than the default position
Threshold value is set, then the color value of the sub-pixel point shows the color value of left eye target view.
Wherein, sub-pixel point is the corresponding pixel in transmittance section of the grating in destination display area.Calculate sub-pixel
The location index value of point, specific embodiment are as follows: referring to Figure 7 together, the rectangular area in figure is destination display area, with mesh
The lower left corner of mark display area is that origin O establishes plane right-angle coordinate, and sub-pixel point P (x, y) is liquid crystal slit grating 22
Corresponding pixel in transmittance section, the grating inclination angle of liquid crystal slit grating 22 are θ 1, and 1 < 40 ° of 30 ° < θ, and pitch is grating week
Phase (i.e. transmittance section shows the width on length direction in target), offset1 indicate grating horizontal displacement (i.e. grating to original
The horizontal distance of point O), then the location index value of P (x, y) are as follows: index=(x+y*cot (θ 1)-offset1)/pitch.
Wherein, predeterminated position be screen periods half, i.e. pitch/2, then step 243 specifically includes: when index >=
When pitch/2, the pixel value of sub-pixel point P is shown as to the pixel value of the pixel of right eye target image, when index <
When pitch/2, the pixel value of sub-pixel point P is shown as to the pixel value of the pixel of left eye target image, so as to determination
The image that sub-pixel point is shown.
In the present embodiment, according to determining non-targeted display area, peep-proof processing is carried out on non-targeted display area,
It include: in non-targeted display area display interference image or to close non-targeted display area.Wherein, interference image is and target
Other unrelated images of image close non-targeted display area as display blank screen.
In some other embodiments, in order to allow users to watch image in correct position, also referring to figure
4, the method for the peep-proof further include:
If 250, the viewing location is not at the default viewing areas, alert notification is carried out, and return to the acquisition
The viewing location of user judges the step of whether viewing location is in default viewing areas, until at the viewing location
In the default viewing areas.
Wherein, alert notification can be display notification message, vibrating alert, the tinkle of bells prompting, voice reminder etc., Ke Yiyou
User is freely arranged.For example, display " please adjust viewing on the screen when determining that viewing location is not at default viewing areas
Position ", to remind user.
After step 220, however, it is determined that viewing location is not at default viewing areas, after carrying out alert notification, and returns to step
Rapid 210 and step 220, the viewing location of user is reacquired, and judge whether viewing location is in default viewing areas, until
It determines that viewing location is in default viewing areas, then stops.
In some other embodiments, the peep-proof effect of the stereoscopic display device 100 can carry out depending on the user's operation
Selection, before step 210, the method for the peep-proof further include:
260, peep-proof instruction is received.
Wherein, peep-proof instruction can be by user's triggering or automatic trigger, if being triggered by user, and triggering mode can be triggering
Corresponding menu item, perhaps calls corresponding shortcut or long-pressing some icon, and etc., for example, solid is shown
Show that equipment receives pressure, temperature variation of the user on the 3 d display device 20 of the stereoscopic display device by sensor, or
Person is the pressure change in the physical button for receive the stereoscopic display device, to receive peep-proof instruction, wherein it is aobvious to receive the solid
Pressure or temperature change on showing device 20, can be used touch screens and capacitance plate is realized；If automatic trigger, triggering mode can
Think when identifying user in public, it is desirable to when content on screen is not for seen in other people, then system automatic trigger peep-proof
Instruction, to carry out secret protection.After receiving peep-proof instruction, indicates that user needs to carry out peep-proof, then instructed, held according to peep-proof
The operation of row step 210, also, control simultaneously and liquid crystal slit grating 22 is powered.
In some other embodiments, when peep-proof layer 30 is arranged on 3 d display device 20 in stereoscopic display device 100,
The method of the peep-proof further include:
271, advanced peep-proof instruction is received.
Wherein, peep-proof instruction can be by user's triggering or automatic trigger.When receiving the instruction of advanced peep-proof, show user
Need to realize more advanced peep-proof effect, for example, then triggering advanced peep-proof instruction when user is when inputting payment cipher.
272, it is instructed according to the advanced peep-proof, control peep-proof layer carries out peep-proof.
If do not trigger the instruction of advanced peep-proof, peep-proof layer 30 is obstructed electricity condition, then peep-proof layer 30 is equivalent to transparent glass
Glass layer.After receiving advanced peep-proof instruction, control peep-proof layer carries out peep-proof, that is, is powered to peep-proof layer 30, so that peep-proof
Layer 30 is slit grating, to cooperate with liquid crystal slit grating 22, display panel 21, realizes more advanced peep-proof effect.
In the present embodiment, the method for the peep-proof by obtain user viewing location, when judge viewing location be in advance
If when viewing areas, determining destination display area and non-targeted display area according to the viewing location, and in target viewing area
Displaying target image on domain carries out peep-proof processing on non-targeted display area, prevents by adjusting row's figure mode of screen
It peeps, screen normal use brightness will not be reduced, and being capable of effective peep-proof.
Embodiment three
Referring to Fig. 8, Fig. 8 is a kind of the functional block diagram of the device of peep-proof provided in an embodiment of the present invention.The dress
Set the stereoscopic display device being applied in embodiment one, the device 300 of the peep-proof include obtain module 310, judgment module 320,
Determining module 330 and display module 340.
In the present embodiment, it obtains module 310 to connect with judgment module 320, judgment module 320 and determining module 330 connect
It connects, determining module 330 is connect with display module 340.Obtain the viewing location that module 310 is used to obtain user.Judgment module 320
For judging whether the viewing location is in default viewing areas.Determining module 330 is used for if so, according to the viewing position
Set, determine the stereoscopic display device destination display area and non-targeted display area.Display module 340 is used in the mesh
Displaying target image on display area is marked, peep-proof processing is carried out on the non-targeted display area.
Wherein, the viewing location includes the first position of human eye and the second position of human eye, and the default viewing areas includes
First subregion and the second subregion, judgment module 320 are specifically used for: judging whether first position of human eye is in described
One subregion, also, judge whether second position of human eye is in second subregion；If at first position of human eye
It is in second subregion in the first subregion, second position of human eye, then the viewing location is in the default sight
See region；Otherwise, then the viewing location is not at the default viewing areas.
Wherein it is determined that module 330 includes: length computation unit, for calculating according to the viewing location and default visual angle
Target shows length；First determination unit determines the destination display area for showing length according to the target；Second
Determination unit, for determining the non-targeted display area according to the destination display area.
Wherein it is determined that module 330 further include: judging unit, for judging that the target shows length and default interpupillary distance
Size；Third determination unit, if for the target show length be greater than the default interpupillary distance, using the default interpupillary distance as
Target shows length.
Wherein, target image includes left eye target image and right eye target image, and display module 340 includes: that sub-pixel obtains
Unit is taken, for obtaining sub-pixel point in the destination display area；Position calculation unit, for calculating the sub-pixel point
Location index value；Display unit, for the size of the location index value and predeterminated position threshold value, if the location index
Value is greater than the predeterminated position threshold value, then the color value of right eye target image is shown in the color value of the sub-pixel point, if institute
Rheme sets index value less than the predeterminated position threshold value, then the color value of the sub-pixel point shows the color of left eye target view
Value.
Wherein, display module 340 further includes interference unit.Unit is interfered to be used in the nontarget area display interference figure
Picture closes the non-targeted display area.
Wherein, which further includes reminding module 350.If reminding module 350 is not at institute for the viewing location
Default viewing areas is stated, carries out alert notification, and return to the acquisition module, the judgment module, until the viewing location
In the default viewing areas.
It should be noted that information exchange between modules in the device 300 of the peep-proof in the embodiment of the present invention,
The contents such as implementation procedure, due to being based on same design with embodiment of the present invention method, particular content is equally applicable to the dress of peep-proof
Set 300.Modules in the embodiment of the present invention can realize as individual hardware or software, and can according to need and make
The combination of the function of each unit is realized with individual hardware or software.It is not detailed in the embodiment of the device of peep-proof 300
The technical detail of description, reference can be made to the method for peep-proof provided by the embodiment of the present invention two.
In the present embodiment, the device 300 of the peep-proof obtains the viewing location of user by obtaining module 310, works as judgement
When module 320 judges that viewing location is in default viewing areas, determining module 330 determines that target is shown according to the viewing location
Region and non-targeted display area, and the displaying target image on destination display area of display module 340, in non-targeted viewing area
Peep-proof processing is carried out on domain, is carried out peep-proof by adjusting row's figure mode of screen, will not be reduced screen normal use brightness, and
It being capable of effective peep-proof.
Example IV
Referring to Fig. 9, Fig. 9 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.Wherein, electronics is set
It is standby to be independent electronic equipment, the module or list that can also be integrated into stereoscopic display device 100 described in embodiment one
Member.
Electronic equipment 400 is connect with stereoscopic display device 100, specifically: electronic equipment 400 and stereoscopic display device 100
Camera connection, electronic equipment 400 be used for by camera acquisition user viewing location, to whether judge viewing location
In default viewing areas etc.；Electronic equipment 400 is also connect with display panel 21, and electronic equipment 400 is for controlling the display panel
21 displaying target image, the progress peep-proof processing on non-targeted display area on destination display area；Electronic equipment 400 also with
Liquid crystal slit grating 22 connects, and electronic equipment 400 is used for when receiving peep-proof instruction, and control liquid crystal slit grating 22 is led to
Electricity；Electronic equipment 400 is also connect with peep-proof layer 30, and electronic equipment 400 is used to control peep-proof when receiving the instruction of advanced peep-proof
Layer 30, liquid crystal slit grating 22 are powered.
Wherein, electronic equipment 400 includes: one or more processors 401 and memory 402, is handled in Fig. 9 with one
For device 401.
Processor 401 can be connected with memory 402 by bus or other modes, to be connected by bus in Fig. 9
For.
Memory 402 is used as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Sequence, non-volatile computer executable program and module, such as the corresponding program of method for upgrading software in the embodiment of the present invention
Instruction/module is (for example, attached acquisition module 310, judgment module 320, determining module 330 and display module 340 shown in Fig. 8 etc.
Deng).Non-volatile software program, instruction and the unit that processor 401 is stored in memory 402 by operation, to hold
The various function application and data processing of row electronic equipment, the i.e. method of the peep-proof of realization the method embodiment.
Memory 402 may include storing program area and storage data area, wherein storing program area can store operation system
Application program required for system, at least one function；Storage data area, which can be stored, uses created data according to electronic equipment
Deng.In addition, memory 402 may include high-speed random access memory, it can also include nonvolatile memory, for example, at least
One disk memory, flush memory device or other non-volatile solid state memory parts.In some embodiments, memory 402
Optional includes the memory remotely located relative to processor 401, these remote memories can pass through network connection to electronics
Equipment.The embodiment of the network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
One or more of units are stored in the memory 402, when by one or more of processors
When 401 execution, the method and apparatus of peep-proof of the execution embodiment one into embodiment three.
The method and apparatus that peep-proof of any means embodiment one into embodiment three can be performed in the electronic equipment, tool
The standby corresponding functional module of execution method and beneficial effect.The technical detail of detailed description not in electronic equipment embodiment, can
Referring to the method and apparatus for executing peep-proof of the embodiment one into embodiment three.
The embodiment of the invention provides a kind of computer program product, the computer program product is non-easy including being stored in
Computer program on the property lost computer readable storage medium, the computer program includes program instruction, when described program refers to
When order is executed by electronic equipment, make the method and apparatus of peep-proof of the electronic equipment execution embodiment one into embodiment three.
For example, executing method and step 210 in Fig. 4 described above to step 240, the function of the 310-340 module in Fig. 8 is realized.
The embodiment of the invention provides a kind of non-volatile computer readable storage medium storing program for executing, the computer-readable storage mediums
Matter is stored with computer executable instructions, and the computer executable instructions are for making electronic equipment execute embodiment one to implementation
The method and apparatus of peep-proof in example three.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.
Through the above description of the embodiments, those of ordinary skill in the art can be understood that each embodiment
The mode of general hardware platform can be added to realize by software, naturally it is also possible to pass through hardware.Those of ordinary skill in the art can
With understand all or part of the process realized in above-described embodiment method be can be instructed by computer program it is relevant hard
Part is completed, and the program can be stored in a computer-readable storage medium, the program is when being executed, it may include as above
State the process of the embodiment of each method.Wherein, the storage medium can be magnetic disk, CD, read-only memory (Read-
Only Memory, ROM) or random access memory (RandomAccessMemory, RAM) etc..
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；At this
It under the thinking of application, can also be combined between the technical characteristic in above embodiments or different embodiment, step can be with
It is realized with random order, and there are many other variations of the different aspect of the application as described above, for simplicity, they do not have
Have and is provided in details；Although the application is described in detail with reference to the foregoing embodiments, the ordinary skill people of this field
Member is it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of skill
Art feature is equivalently replaced；And these are modified or replaceed, each reality of the application that it does not separate the essence of the corresponding technical solution
Apply the range of a technical solution.
Claims (21)
1. a kind of method of peep-proof is applied to stereoscopic display device characterized by comprising
Obtain the viewing location of user；
Judge whether the viewing location is in default viewing areas；
If so, according to the viewing location, determine the stereoscopic display device destination display area and non-targeted display area；
The displaying target image on the destination display area carries out peep-proof processing on the non-targeted display area.
2. the method according to claim 1, wherein the viewing location includes the first position of human eye and the second people
Eye position, the default viewing areas include the first subregion and the second subregion；
It is described to judge whether the viewing location is in default viewing areas, it specifically includes:
Judge whether first position of human eye is in first subregion, also, whether judges second position of human eye
In second subregion；
If first position of human eye is in first subregion, second position of human eye is in second subregion,
Then the viewing location is in the default viewing areas；
Otherwise, then the viewing location is not at the default viewing areas.
3. determining described three-dimensional aobvious the method according to claim 1, wherein described according to the viewing location
Show equipment destination display area and non-targeted display area, comprising:
According to the viewing location and default visual angle, calculates target and show length；
Length is shown according to the target, determines the destination display area；
According to the destination display area, the non-targeted display area is determined.
4. according to the method described in claim 3, determining described three-dimensional aobvious it is characterized in that, described according to the viewing location
Show equipment destination display area and non-targeted display area, further includes:
Judge that the target shows the size of length and default interpupillary distance；
If the target shows that length is greater than the default interpupillary distance, length is shown using the default interpupillary distance as target.
5. the method according to claim 1, wherein the target image includes left eye target image and right eye mesh
Logo image；
The displaying target image on the destination display area, comprising:
Sub-pixel point is obtained in the destination display area；
Coordinate system is established in the destination display area, calculates the location index value of the sub-pixel point；
Compare the size of the location index value and predeterminated position threshold value, if the location index value is more than or equal to described pre-
If position threshold, then right eye target image is shown in the sub-pixel point, if the location index value is less than or equal to described
Predeterminated position threshold value, then the sub-pixel point shows left eye target image.
6. the method according to claim 1, wherein described carry out at peep-proof on the non-targeted display area
Reason, comprising:
In the non-targeted display area display interference image or close the non-targeted display area.
7. method according to claim 1-6, which is characterized in that the method also includes:
If the viewing location is not at the default viewing areas, alert notification is carried out, and returns to the sight for obtaining user
It sees position, the step of whether viewing location is in default viewing areas is judged, until the viewing location is in described pre-
If viewing areas.
8. method according to claim 1-6, which is characterized in that the stereoscopic display device is equipped with peep-proof layer,
The method also includes:
Receive advanced peep-proof instruction；It is instructed according to the advanced peep-proof, controls the peep-proof layer and carry out peep-proof.
9. a kind of device of peep-proof is applied to stereoscopic display device characterized by comprising
Module is obtained, for obtaining the viewing location of user；
Judgment module, for judging whether the viewing location is in default viewing areas；
Determining module is used to determine if so, according to the viewing location destination display area of the stereoscopic display device and non-
Destination display area；
Display module carries out on the non-targeted display area for the displaying target image on the destination display area
Peep-proof processing.
10. device according to claim 9, which is characterized in that the viewing location includes the first position of human eye and second
Position of human eye, the default viewing areas include the first subregion and the second subregion,
The judgment module is specifically used for:
Judge whether first position of human eye is in first subregion, also, whether judges second position of human eye
In second subregion；
If first position of human eye is in the first subregion, second position of human eye is in second subregion, institute
It states viewing location and is in the default viewing areas；
Otherwise, then the viewing location is not at the default viewing areas.
11. device according to claim 9, which is characterized in that the determining module includes:
Length computation unit, for calculating target and showing length according to the viewing location and default visual angle；
First determination unit determines the destination display area for showing length according to the target；
Second determination unit, for determining the non-targeted display area according to the destination display area.
12. device according to claim 11, which is characterized in that the determining module further include:
Judging unit, for judging that the target shows the size of length and default interpupillary distance；
Third determination unit, if for the target show length be greater than the default interpupillary distance, using the default interpupillary distance as
Target shows length.
13. device according to claim 9, which is characterized in that the target image includes left eye target image and right eye
Target image,
The display module includes:
Sub-pixel acquiring unit, for obtaining sub-pixel point in the destination display area；
Position calculation unit calculates the position rope of the sub-pixel point for establishing coordinate system in the destination display area
Draw value；
Display unit, for the size of the location index value and predeterminated position threshold value, if the location index value is greater than
The predeterminated position threshold value then shows the color value of right eye target image, if the position in the color value of the sub-pixel point
Index value is less than the predeterminated position threshold value, then the color value of the sub-pixel point shows the color value of left eye target view.
14. device according to claim 9, which is characterized in that the display module further include:
Unit is interfered, in the nontarget area display interference image or the closing non-targeted display area.
15. according to the described in any item devices of claim 9-14, which is characterized in that described device further include:
Reminding module carries out alert notification, and described in return if being not at the default viewing areas for the viewing location
Module, the judgment module are obtained, until the viewing location is in the default viewing areas.
16. according to the described in any item devices of claim 9-14, which is characterized in that the stereoscopic display device is equipped with peep-proof
Layer, described device further include:
Advanced peep-proof command reception module, for receiving advanced peep-proof instruction；
Advanced peep-proof module controls the peep-proof layer and carries out peep-proof for being instructed according to the advanced peep-proof.
17. a kind of electronic equipment characterized by comprising at least one processor；And at least one described processor
The memory of communication connection；Wherein, the memory is stored with the instruction that can be executed by least one described processor, the finger
It enables and being executed by least one described processor, so that at least one described processor is able to carry out any one of claim 1-8 institute
The method stated.
18. a kind of stereoscopic display device, which is characterized in that the stereoscopic display device is used for and electricity as claimed in claim 17
Sub- equipment connection.
19. stereoscopic display device according to claim 18, which is characterized in that the stereoscopic display device includes three-dimensional aobvious
Showing device；
The 3 d display device includes display panel and liquid crystal slit grating, and the liquid crystal slit grating is set to the display surface
On the display surface of plate, the display panel is connect with the electronic equipment.
20. stereoscopic display device according to claim 19, which is characterized in that the stereoscopic display device further includes peep-proof
Layer, the peep-proof layer are covered on the liquid crystal slit grating, and the peep-proof layer is connect with the electronic equipment.
21. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, the computer executable instructions are for making computer perform claim require the described in any item methods of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210251.7A CN109284640A (en) | 2018-10-17 | 2018-10-17 | A kind of method, apparatus of peep-proof, electronic equipment and stereoscopic display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210251.7A CN109284640A (en) | 2018-10-17 | 2018-10-17 | A kind of method, apparatus of peep-proof, electronic equipment and stereoscopic display device |
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| CN109284640A true CN109284640A (en) | 2019-01-29 |
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| CN201811210251.7A Withdrawn CN109284640A (en) | 2018-10-17 | 2018-10-17 | A kind of method, apparatus of peep-proof, electronic equipment and stereoscopic display device |
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Application publication date: 20190129 |