CN110161677A - Peep-proof film and display device - Google Patents
Peep-proof film and display device Download PDFInfo
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- CN110161677A CN110161677A CN201910492288.1A CN201910492288A CN110161677A CN 110161677 A CN110161677 A CN 110161677A CN 201910492288 A CN201910492288 A CN 201910492288A CN 110161677 A CN110161677 A CN 110161677A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
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Abstract
The present invention provides a kind of peep-proof film and display devices, are applied to peep-proof technical field, to improve the peep-proof effect of display device, reduce information-leakage risk.Peep-proof film includes: the first membrane material and the second membrane material being oppositely arranged, and multiple first blades and multiple second blades that are set between the first membrane material and the second membrane material.At multirow, the first blade is configured to receive the first electric signal the multiple first blades arrangement, generates along the line direction of multiple first blade arrangements and extends deformation.At multiple row, the second blade is configured to receive the second electric signal the multiple second blades arrangement, generates along the column direction of multiple second blade arrangements and extends deformation.Above-mentioned peep-proof film is applied in display device.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of peep-proof film and display devices.
Background technique
It is increasingly taken seriously in the safety of field of display technology, information, to prevent information leakage, more and more peep-proofs
Technology is applied in display device.
Usually reduce the display view angle of display device by the way that peep-proof film is arranged on the display apparatus at present, to realize peep-proof
Effect.Existing peep-proof film uses ultra tiny blinds window setting technique, including peep-proof item that is multiple arranged side by side and being intervally arranged, peep-proof item
Extending direction be parallel to display device display surface longitudinal direction so that along the transverse direction of display surface, display device has setting
Visible angle range.When viewer watches picture from the left or right side of display device, if viewer is in display surface transverse direction
Visual angle except the visible angle range, then display picture can not be watched, to realize peep-proof in the transverse direction of display surface
Effect.
However, peep-proof item cannot be to the visual of picture when viewer watches picture above or below display device
Angular range generates limitation.As it can be seen that existing peep-proof film is only capable of realizing peep-proof effect, peep-proof effect ratio in the transverse direction of display surface
More single, the risk of information leakage still exists.
Summary of the invention
To overcome above-mentioned defect in the prior art, the present invention provides a kind of peep-proof film, display device, with enhancing display dress
The peep-proof effect set, is effectively reduced risk of divulging a secret.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
The first aspect of the present invention provides a kind of peep-proof film, comprising: the first membrane material and the second membrane material being oppositely arranged, with
And it is set to multiple first blades and multiple second blades between first membrane material and second membrane material.The multiple
At multirow, the first blade is configured to receive the first electric signal one blades arrangement, and the line direction along multiple first blade arrangements generates
Extend deformation.The multiple second blades arrangement is at multiple row, and the second blade is configured to receive the second electric signal, along multiple second leaves
The column direction of piece arrangement, which generates, extends deformation.
Using above-mentioned peep-proof film, in the first blade after receiving the first electric signal, the multiple first blade is along row side
Extend deformation to generating, formation is multiple along line direction extension and along the first peep-proof item of column direction laid out in parallel, so that in peep-proof
The light-emitting angle range of the column direction glazed thread of plane determined by film reduces, i.e. the visible angle model of peep-proof film in a column direction
Reduction is enclosed, realizes and generates peep-proof effect in a column direction.In the second blade after receiving the second electric signal, generated along column direction
Extend deformation, formed it is multiple along column direction extend and laid out in parallel the second peep-proof item so that the plane determined by peep-proof film
The light-emitting angle range of line direction glazed thread reduce, i.e., peep-proof film visible angle range in the row direction reduces, and realizes and exists
Peep-proof effect is generated on line direction.In this way, peep-proof film is applied in display device, it is horizontal and vertical that display device may be implemented
Peep-proof on (i.e. left and right visual angle and upper downwards angle of visibility), improves the peep-proof effect of display device, effectively reduces information leakage
Risk.
In some embodiments, the multiple second blades arrangement is at multirow；Along column direction, the first blade of multirow and multirow
Second blade alternate arrangement；In adjacent the first row of blades and the second row of blades, the first blade and the second blade are in the column side
It mutually staggers upwards.In the row direction, the spacing between two neighboring first blade is greater than the ruler of the second blade in the row direction
It is very little.In a column direction, the spacing between two neighboring second blade is greater than the size of the first blade in a column direction.
In some embodiments, the multiple first blade and the multiple second blade are alternately arranged along line direction, and
It is alternately arranged along column direction.
In some embodiments, peep-proof film further includes the third membrane material being set between the first membrane material and the second membrane material；Institute
It states multiple first blades to be set between the first membrane material and third membrane material, the multiple second blade is set to the second membrane material and the
Between three membrane materials.The multiple first blade in third membrane material orthographic projection and the multiple second blade in third membrane material
Orthographic projection there is overlapping region correspondingly.
In some embodiments, each first blade includes: the first deformation film, is configured to the stimulation in the first electric signal
Under, it is generated along line direction and extends deformation；It further include the two sides opposite in the row direction for being respectively arranged at the first deformation film
First electrode and second electrode are configured to receive the first electric signal.Each second blade includes: the second deformation film, is configured to
Under the stimulation of the second electric signal, is generated along column direction and extend deformation；It further include being respectively arranged at arranging for the second deformation film
The third electrode and the 4th electrode of opposite two sides on direction are configured to receive the second electric signal.
In some embodiments, in multiple first blades of every row, the spacing between the first blade of each adjacent two is equal；
In multiple second blades of each column, the spacing between the second blade of each adjacent two is equal.
The second aspect of the present invention provides a kind of peep-proof film, comprising: the first membrane material and the second membrane material being oppositely arranged, with
And it is set to multiple third blades between the first membrane material and the second membrane material.The multiple third blade is arranged in array；The
Three blades are configured to receive third electric signal, generate along the line direction of the multiple third blade arrangement and extend deformation；And it receives
4th electric signal generates along the column direction of the multiple third blade arrangement and extends deformation.
Using above-mentioned peep-proof film, in third blade after receiving third electric signal, the multiple third blade is along row side
Extend deformation to generating, formation is multiple along line direction extension and along the first peep-proof item of column direction laid out in parallel, so that in peep-proof
The light-emitting angle range of light on the column direction of plane determined by film reduces, i.e. the visible angle of peep-proof film in a column direction
Range reduces, and realizes and generates peep-proof effect in a column direction.In third blade after receiving the 4th electric signal, produced along column direction
Raw to extend deformation, formation is multiple along column direction extension and along the second peep-proof item of line direction laid out in parallel, so that in peep-proof film institute
The light-emitting angle range of light on the line direction of determining plane reduces, i.e. the visible angle range of peep-proof film in the row direction
Reduce, realizes and generate peep-proof effect in the row direction.In this way, peep-proof film is applied in display device, display dress may be implemented
The peep-proof on horizontal and vertical (i.e. left and right visual angle and upper downwards angle of visibility) is set, the peep-proof effect of display device is improved, is effectively reduced
The risk of information leakage.
In some embodiments, each third blade includes: third deformation film, is configured to the stimulation in third electric signal
Under, it is generated along line direction and extends deformation；And under the stimulation of the 4th electric signal, is generated along column direction and extend deformation.It further include point
It is not set to the 5th electrode and the 6th electrode of the two sides opposite in the row direction of third deformation film, is configured to receive third
Electric signal；And it is respectively arranged at the 7th electrode and the 8th electrode of the two sides opposite in a column direction of third deformation film,
It is configured to receive the 4th electric signal.
In some embodiments, in the row direction, the spacing between each adjacent two third blade is equal；And in column side
Upwards, the spacing between each adjacent two third blade is equal.
The third aspect of the present invention provides a kind of display device, including display panel, further includes being set to the display
The peep-proof film of the side of panel, the peep-proof film are the peep-proof film as described in any one of first aspect and second aspect.
The display device as provided by the embodiment of the present invention includes as described in any one of first aspect and second aspect
Peep-proof film, therefore the peep-proof at multiple visual angles up and down may be implemented in the display device, effectively reduces the wind of information leakage
Danger.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is schematic diagram of the viewer relative to the position of display device；
Fig. 2 is the schematic diagram of peep-proof film in the related technology；
Fig. 3 is the schematic diagram of the peep-proof principle of peep-proof film；
Fig. 4 is the first schematic diagram of display device using peep-proof effect after peep-proof film；
Fig. 5 is second schematic diagram of the display device using peep-proof effect after peep-proof film；
Fig. 6 is the third schematic diagram of display device using peep-proof effect after peep-proof film；
Fig. 7 a is the first top view of peep-proof film provided by the embodiment of the present invention；
The schematic cross-section that Fig. 7 b is done for the section line SS ' in Fig. 7 a；
The schematic cross-section that Fig. 7 c is done for the section line RR ' in Fig. 7 a；
Fig. 7 d is that first electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 7 a；
Fig. 7 e is that second electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 7 a；
Fig. 8 a is second of top view of peep-proof film provided by the embodiment of the present invention；
The schematic cross-section that Fig. 8 b is done for the section line PP ' in Fig. 8 a；
Fig. 8 c is that first electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 8 a；
Fig. 8 d is that second electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 8 a；
Fig. 9 a is the third top view of peep-proof film provided by the embodiment of the present invention；
The schematic cross-section that Fig. 9 b is done for the section line TT ' in Fig. 9 a；
Fig. 9 c is that first electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 9 a；
Fig. 9 d is that second electrode occurs to extend the schematic diagram after deformation in peep-proof film shown in Fig. 9 a；
Figure 10 is the schematic diagram of the first blade in peep-proof film provided by the embodiment of the present invention；
Figure 11 is the schematic diagram of the second blade in peep-proof film provided by the embodiment of the present invention；
Figure 12 a is the 4th kind of top view of peep-proof film provided by the embodiment of the present invention；
The schematic cross-section that Figure 12 b is done for the section line WW ' in Figure 12 a；
Figure 12 c is that the schematic diagram after extension deformation occurs along line direction for third electrode in peep-proof film shown in Figure 12 a；
Figure 12 d is that the schematic diagram after extension deformation occurs along column direction for third electrode in peep-proof film shown in Figure 12 a；
Figure 13 is the schematic diagram of third blade in peep-proof film provided by the embodiment of the present invention；
Figure 14 a is the first schematic diagram of display device provided by the embodiment of the present invention；
Figure 14 b is second of schematic diagram of display device provided by the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative labor belongs to the model that the present invention protects
It encloses.
It should be noted that " transverse direction of display surface " described in the embodiment of the present invention refers to the display surface institute of display device
The transverse direction that the picture of presentation is shown；The picture that " longitudinal direction of display surface " refers to that the display surface of display device is presented is shown
Longitudinal direction.
In addition, " front position " " left and right sides position " " upper and lower two side position " mentioned in the embodiment of the present invention is " just
Face visual angle " " left and right visual angle " " upper downwards angle of visibility " refers to as described below:
As shown in Figure 1, the center of display device 2 and be referred to as display device 2 perpendicular to the line of the display surface of display device 2
Normal M.When user is in the front of display device 2, user present position point is located on the normal of display device, user
Visual angle (angle i.e. between the sight of user and the normal of display device) be 0, at this time user present position be display device 2
Front position (such as location A), visual angle is positive visual angle.When user is in the left and right sides of front position, user at this time
Present position is the left and right sides position (such as B location, location of C) of display device 2, and the visual angle of user is left and right visual angle.When with
When family is in the two sides up and down of front position, user present position is two side positions up and down (such as D of display device 2 at this time
Set, the position E), the visual angle of user is upper downwards angle of visibility.
In the related art, reduce the display view angle of display device by the way that peep-proof film is arranged in a display device, with reality
The effect of existing peep-proof.Existing peep-proof film uses ultra tiny blinds window setting technique, and as shown in Figures 2 and 3, peep-proof film 1 includes multiple
The peep-proof item 11 of laid out in parallel, the peep-proof item 11 of the multiple laid out in parallel form the knot for being similar to multiple blades of shutter
Structure, the extending direction of peep-proof item 11 are parallel to longitudinal Y of the display surface of display device 21.Peep-proof film 1 is set to display device 2
In, after light is by peep-proof film 1, a part of light is projected through the gap between shutter 11, another part light
It is absorbed or is stopped by shutter 11, so that lateral X of the emitted light in the display surface along display device 21Upper tool
There is the light-emitting angle range Theta of setting.
Since the extending direction of peep-proof item 11 is parallel to longitudinal Y of the display surface of display device 21, light passing through peep-proof
After film 1, lateral X of the emitted light in the display surface along display device 21The upper light-emitting angle θ with setting, such as Fig. 4 institute
Show, so that the lateral X of the display surface along display device 21, visible angle range of the display device with setting referred to as laterally can
Angle range is-θ1~+θ1It spends, region corresponding to the visible angle range is visible area, (- 90)~(- θ1) degree
Angular range and θ1~90 degree of angular range is not visible angular range, and region corresponding to not visible angular range is not
Visible area.As shown in figure 5, in longitudinal Y of the display surface along display device 21On, the visible angle range of display device is known as
Longitudinal visible angle range, peep-proof item 11 cannot generate longitudinal visible angle range of picture and limit, therefore display device 2
Longitudinal visible angle range is larger, is (- θ2)~(+θ2) degree, close to 180 degree, corresponding to region be visible area, should
Visible area is larger.
Referring again to Fig. 4, when being located at the front position of display device 2 as viewer, such as at location A, viewer
In the lateral X of display surface1On visual angle within the scope of lateral visible angle range and longitudinal visible angle, be in visible area
In domain, normal display picture can be watched.When viewer is located at the left and right sides position of display device 2, such as B location
At place and location of C, viewer is in display surface transverse direction X1On visual angle except lateral visible angle range, be in not visible region
It is interior, therefore enter human eye without light, viewer can not see display picture, and the display device seen is blank screen, in this way
It is achieved that and generates anti-peeping effect at left and right visual angle.However, as shown in figure 5, when viewer is located at up and down the two of display device 2
When side position, such as at the position D and at the position E, viewer is in display surface longitudinal direction Y1On visual angle in longitudinal visible angle range
Within, it still can watch with the position E in visible area, therefore at the position D and normally show picture.That is,
Existing peep-proof film only has peep-proof effect at left and right visual angle, does not have anti-peeping effect, the risk of information leakage in upper downwards angle of visibility
Still exist.
Based on this, the embodiment of the present invention provides a kind of peep-proof film 100, and as shown in Fig. 7 a~Fig. 9 d, peep-proof film 100 is wrapped
It includes: the first membrane material 3 and the second membrane material 4 that are oppositely arranged and multiple first blades 5 and multiple second blades 6, wherein described
Multiple first blades 5 are set between the first membrane material 3 and the second membrane material 4, and the multiple first blade 5 is arranged in multirow, and first
Blade 5 is configured to receive the first electric signal, generates along the line direction X of the multiple first blade 5 arrangement and extends deformation.It is described more
A second blade 6 is set between the first membrane material 3 and the second membrane material 4, and the multiple second blade 6 is arranged in multiple row, and second
Blade 6 is configured to receive the second electric signal, generates along the column direction Y of the multiple second blade 6 arrangement and extends deformation.
It should be noted that as shown in Fig. 7 a, Fig. 8 a and Fig. 9 a, in the feelings for not applying the first electric signal and the second electric signal
Under condition, the multiple first blade 5 and the multiple second blade 6 do not generate deformation, and light passes through the multiple first blade 5
Gap between the multiple second blade 6 is projected, and display picture is normally shown, and can be watched in each orientation
Normal display picture, peep-proof film 100 at this time do not have peep-proof effect, can be realized normal viewing angle and show.
First blade 5 is after receiving the first electric signal, as shown in Fig. 7 d, Fig. 8 c and Fig. 9 c, the multiple first blade 5
It being generated along line direction X and extends deformation, the first blade 5 that multiple generations of every row extend deformation forms the first peep-proof 11a, or
Person, multiple generations with a line extend the first blade 5 of deformation and there is no the second blades 6 of deformation to form the first peep-proof item
11a, to form multiple the first peep-proof 11a extended along line direction X in peep-proof film 100, and the multiple first peep-proof
11a is along column direction Y laid out in parallel.Make the beam angle of the column direction Y glazed thread of the plane determined by peep-proof film 100 in this way
It spends range to reduce, i.e. visible angle range of the peep-proof film 100 on column direction Y reduces, and realizes and generates peep-proof effect on column direction Y
Fruit.
As shown in fig. 6, peep-proof film 100 is applied in display device 2, line direction X is made to be parallel to the transverse direction of display device 2
X1, under the action of multiple first peep-proof 11a, in longitudinal Y of the display surface of display device 21On, light passes through peep-proof film 100
Formed in multiple first peep-proof 11a after, light-emitting angle range reduce so that longitudinal angle of visibility of display device 2
It spends range to reduce, becomes-θ3~+θ3, visible area corresponding to the longitudinal direction visible angle also reduces.It is shown when viewer is located at
When the front position of showing device 2, such as at location A, since normal display picture in visible area, can be watched.
When viewer is located at two side position up and down of display device 2, such as at the position D and at the position E, viewer is in display surface longitudinal direction
Y1On visual angle except longitudinal visible angle range, enter human eye, viewer in the not visible region, therefore without light
It can not see display picture, the display device seen is blank screen, generates peep-proof effect in upper downwards angle of visibility to realize.
Second blade 6 is after receiving the second electric signal, as shown in Fig. 7 e, Fig. 8 d and Fig. 9 d, the multiple second blade 6
It being generated along column direction Y and extends deformation, the second blade 6 that multiple generations of each column extend deformation forms the second peep-proof 11b, or
Person, multiple generations of same row extend the second blade 6 of deformation and there is no the first blades 5 of deformation to form the second peep-proof item
11b, to form multiple the second peep-proof 11b extended along column direction Y in peep-proof film 100, and the multiple second peep-proof
11b is along line direction X laid out in parallel.Make the beam angle of the line direction X glazed thread of the plane determined by peep-proof film 100 in this way
It spends range to reduce, i.e. visible angle range of the peep-proof film 100 on line direction X reduces, and realizes and generates peep-proof effect on line direction X
Fruit.
Referring again to Fig. 4, peep-proof film 100 is applied in display device 2, line direction X is made to be parallel to the cross of display device 2
To X1, under the action of multiple second peep-proof 11b, in the lateral X of the display surface of display device 21On, light passes through peep-proof film
After multiple second peep-proof 11b formed in 100, light-emitting angle range reduces, so that display device 2 is laterally visual
Angular range reduces, and is-θ1~+θ1, visible area corresponding to the transverse direction visible angle also reduces.It is shown when viewer is located at
When the front position of showing device 2, such as at location A, since normal display picture in visible area, can be watched.
When viewer is located at the left and right sides position of display device 2, such as at B location and at location of C, viewer is in display surface transverse direction
X1On visual angle except lateral visible angle range, enter human eye, viewer in the not visible region, therefore without light
It can not see display picture, the display device seen is blank screen, generates peep-proof effect at left and right visual angle to realize.
In this way, peep-proof film 100 is applied in display device, the peep-proof at left and right visual angle and upper downwards angle of visibility may be implemented,
The peep-proof effect of display device is improved, the risk of information leakage is effectively reduced.
Also, it is shown since normal viewing angle may be implemented in peep-proof film 100, three kinds of left and right visual angle peep-proof and upper downwards angle of visibility peep-proof
Function, in this way, when not needing to carry out peep-proof, user can choose normal viewing angle display pattern using peep-proof film 100, so that
Display device does not enable peep-proof function, realizes Screen sharing；When needing to carry out the peep-proof at left and right visual angle, user can choose a left side
LOOK RIGHT peep-proof mode avoids the people being located at left and right sides of display device from peeping screen, effectively prevent divulging a secret；On needing to carry out
When the peep-proof of downwards angle of visibility, user can choose downwards angle of visibility peep-proof mode, and the people positioned at the two sides up and down of display device is avoided to steal
Screen is peeped, effectively prevent divulging a secret.In this way, the flexible switching of Three models, the reality of peep-proof film 100 can be carried out according to actual needs
It is stronger with property, facilitate user under different scenes using the electronic equipment for being provided with peep-proof film 100.
In some embodiments, the first membrane material 3 and the second membrane material 4 use PET film material (Polyethylene
Terephthalate, poly terephthalic acid class plastics), PET film material has good optical transparence, and peep-proof film can be improved
100 light transmittance.
It should be noted that multiple first blades 5 and multiple second blades in peep-proof film 100 shown by Fig. 7 a~Fig. 9 d
6 be only a kind of signal, and in some embodiments, peep-proof film 100 includes the first blade 5 and the second blade 6 of multiple micron levels,
The two sides up and down of first blade 5 and the second blade 6 contact fixation with the first membrane material 3 and the second membrane material 4 respectively, form contact up and down
Point, illustratively, fixed form are to be bonded using insulating cement.It is generated in the first blade 5 and the second blade 6 and extends deformation
When, the contact point up and down in the first blade 5 and the second blade 6 plays the role of fixing its position, the first blade 5 and the second blade
The other parts of upper and lower contact point are removed in 6, such as the middle section of contact point occurs to extend deformation up and down.
The peep-proof film 100 being previously mentioned in based on the above embodiment below carries out several possible designs of peep-proof film 100
Example introduction.
In some embodiments, as shown in Fig. 7 a~Fig. 7 c, the multiple second blade 6 is arranged in multirow；Along column direction
Y, the first blade of multirow 5 are alternately arranged with the second blade of multirow 6；In adjacent the first row of blades and the second row of blades, the first leaf
Piece 5 mutually staggers on column direction Y with the second blade 6.Spacing d on line direction X, between two neighboring first blade 51Greatly
In or equal to the size d of the second blade 6 in the row direction2.Spacing d on column direction Y, between two neighboring second blade 63
More than or equal to size d of first blade 5 on column direction Y4。
In the above-described embodiments, by for example above-mentioned cloth of the arrangement of the multiple first blade 5 and the multiple second blade 6
It sets, so that the first blade of multirow 5 is alternately arranged with the second blade of multirow 6, the first adjacent row of blades and second along column direction Y
In row of blades, the first blade 5 mutually staggers on column direction Y with the second blade 6.Along line direction X, the first blade of multiple row 5 and more
The second blade of column 6 is alternately arranged, in adjacent the first rows of blades and the second rows of blades, 6 side of being expert at of the first blade 5 and the second blade
It is mutually staggered on X.
Under this arrangement mode, as shown in figure 7d, the first blade 5 is produced after receiving the first electric signal along line direction X
It is raw to extend deformation, due to the spacing d on column direction Y, between two neighboring second blade3It is being arranged more than or equal to the first blade
Size d on direction4, so that the first blade of every row 5 when occurring to extend deformation not by the obstruction of the second blade 6, every row it is more
It is a occur extend deformation the first blade 5 formed the first peep-proof 11a, multiple first peep-proof 11a extend along line direction X and
Along column direction Y laid out in parallel, to generate the peep-proof effect of upper downwards angle of visibility, and in the front of peep-proof film 100, show that picture will not
It is affected.
Further, by using the methods of the intensity of the first electric signal of control, so that adjacent the first blade 5 of every row exists
Generating can contact with each other after extending deformation, so that the first blade 5 that multiple generations of every row extend deformation is formed by first
The shaded effect of peep-proof 11a is more preferable, so that the peep-proof effect of the upper downwards angle of visibility of peep-proof film 100 is more preferable.
As shown in figure 7e, the second blade 6 is after receiving the second electric signal, generates along column direction Y and extends deformation, due to
Spacing d on line direction X, between two neighboring first blade 51More than or equal to size d of second blade 6 on line direction X2,
So that the second blade of each column 6 when occurring to extend deformation not by the obstruction of the first blade 5, multiple generations of each column extend deformation
Second blade 6 forms the second peep-proof 11b, multiple second peep-proof 11b and extends along column direction Y and arrange side by side along line direction X
Cloth to generate the peep-proof effect at left and right visual angle, and in the front of peep-proof film 100, shows that picture is unaffected.
Further, by using the methods of the intensity of the second electric signal of control, so that adjacent the second blade 6 of each column exists
Generating can contact with each other after extending deformation, so that the second blade 6 that multiple generations of each column extend deformation is formed by second
The shaded effect of peep-proof 11b is more preferable, so that the peep-proof effect at the left and right visual angle of peep-proof film 100 is more preferable.
In some embodiments, as figures 8 a and 8 b show, the multiple first blade 5 and the multiple second blade 6
It is alternately arranged along line direction X, and is alternately arranged along column direction Y.
Under above-mentioned arrangement mode, as shown in Figure 8 c, the first blade 5 is produced after receiving the first electric signal along line direction X
Raw to extend deformation, multiple generations with a line extend the first blade 5 of deformation and there is no the second blades 6 of deformation to form the
One peep-proof 11a, to form multiple the first peep-proof 11a extended along line direction X in peep-proof film 100, and the multiple
First peep-proof 11a is along column direction Y laid out in parallel, to generate the peep-proof effect of upper downwards angle of visibility.Also, it is formed by described more
There is no blocking for the first blade 5 or the second blade 6 in a first peep-proof 11a between two adjacent the first peep-proof 11a, makes
The light transmittance for obtaining peep-proof film 100 improves, to show that the effect of picture is preferable in the front position viewing of display device 2.
Further, by using the methods of the intensity of the first electric signal of control, so that prolonging with the adjacent of a line
It stretches the first blade 5 of deformation and there is no the second blades 6 of deformation to contact with each other, to be formed by the first peep-proof item
The shaded effect of 11a is more preferable, so that the peep-proof effect of the upper downwards angle of visibility of peep-proof film 100 is more preferable.
As shown in figure 8d, the second blade 6 generates along column direction Y after receiving the second electric signal and extends deformation, same row
Multiple generations extend deformation the second blade 6 and there is no the first blade 5 of deformation formed the second peep-proof 11b, thus
Multiple the second peep-proof 11b extended along column direction Y are formed in peep-proof film 100, and the multiple second peep-proof 11b is along row
Direction X laid out in parallel, to generate the peep-proof effect at left and right visual angle.Also, it is formed by the multiple second peep-proof 11b
There is no blocking for the first blade 5 or the second blade 6 between two adjacent the second peep-proof 11b, so that the light transmission of peep-proof film 100
Rate improves, to show that the brightness of picture is higher, display effect is preferable when the front position viewing of display device 2.
Further, by using the methods of the intensity of the second electric signal of control, so that the adjacent of same row is prolonged
It stretches the second blade 6 of deformation and there is no the first blades 5 of deformation to contact with each other, to be formed by the second peep-proof item
The shaded effect of 11b is more preferable, so that the peep-proof effect at the left and right visual angle of peep-proof film 100 is more preferable.
In some embodiments, as shown in figures 9 a and 9b, peep-proof film 100 further includes being set to the first membrane material 3 and second
Third membrane material 7 between membrane material 4, the multiple first blade 5 is set between the first membrane material 3 and third membrane material 7, the multiple
Second blade 6 is set between the second membrane material 4 and third membrane material 7.Positive throwing of the multiple first blade 5 in third membrane material 7
Shadow and orthographic projection of the multiple second blade 6 in the third membrane material 7 have overlapping region correspondingly.
In the above-described embodiments, the multiple first blade 5 and the multiple second blade 6 are in different film layers, institute
Multiple first blades 5 are stated in the orthographic projection and orthographic projection of the multiple second blade 6 in third membrane material 7 in third membrane material 7
There is overlapping region correspondingly, that is to say, that the position of the multiple first blade 5 and the multiple second blade 6 has
Corresponding relationship.Illustratively, as shown in figures 9 a and 9b, orthographic projection and institute of the multiple first blade 5 in third membrane material 7
The shape and size for stating orthographic projection of multiple second blades 6 in third membrane material 7 are identical, and the multiple first blade 5 is in third
Orthographic projection in membrane material 7 is overlapped correspondingly with orthographic projection of the multiple second blade 6 in third membrane material 7, from peep-proof
In the top view that the surface of film 100 is seen, multiple second blades 6 are blocked by multiple first blades 5 correspondingly.
In this way, as is shown in fig. 9 c, the first blade 5 generates along line direction X after receiving the first electric signal and extends deformation,
The first blade 5 that multiple generations of every row extend deformation forms the first peep-proof 11a, to be formed in peep-proof film 100 multiple
The the first peep-proof 11a extended along line direction X, and the multiple first peep-proof 11a is along column direction Y laid out in parallel, to produce
The peep-proof effect of downwards angle of visibility in life.
Further, by using the methods of the intensity of the first electric signal of control, so that the generation extension shape that every row is adjacent
The first blade 5 become contacts with each other, so that the shaded effect for being formed by the first peep-proof 11a is more preferable, so that peep-proof film 100
The peep-proof effect of upper downwards angle of visibility is more preferable.
As shown in figure 9d, the second blade 6 generates along column direction Y after receiving the second electric signal and extends deformation, each column
Multiple the second blades 6 for occurring to extend deformation form the second peep-proof 11b, to be formed in peep-proof film 100 multiple along column side
The the second peep-proof 11b extended to Y, and the multiple second peep-proof 11b is controlled along line direction X laid out in parallel to generate
The peep-proof effect at visual angle.
Further, by using the methods of the intensity of the second electric signal of control, so that the generation extension shape that each column is adjacent
The second blade 6 become contacts with each other, so that the shaded effect for being formed by the second peep-proof 11b is more preferable, so that peep-proof film 100
The peep-proof effect at left and right visual angle is more preferable.
In some embodiments, as shown in Figure 10, each first blade 5 includes: the first deformation film 51, is configured to
Under the stimulation of one electric signal, is generated along line direction X and extend deformation.Each first blade 5 further includes being respectively arranged at the first deformation
The first electrode 52 and second electrode 53 of the two sides opposite on line direction X of film 51 are configured to receive the first electric signal.
First deformation film 51 can generate along line direction X under the stimulation of the first electric signal and extend deformation, first electrode
52 and second electrode 53 be respectively arranged at the two sides opposite on line direction X of the first deformation film 51, for receiving the first electricity
Signal.Illustratively, electric field, inside the first deformation film 51, direction of an electric field are applied to first electrode 52 and second electrode 52
It is parallel to line direction X, so that the first deformation film 51 is generated along line direction X extends deformation.
As a kind of possible design, each first blade 5 further includes, respectively with 53 phase of first electrode 52 and second electrode
The first conducting wire 54 and the second conducting wire 55 even, the first conducting wire 54 and the second conducting wire 55 are used for the first electric signal transmission to the first electricity
Pole 52 and second electrode 53.
In some embodiments, as shown in figure 11, each second blade 6 includes: the second deformation film 61, is configured to
Under the stimulation of two electric signals, is generated along column direction Y and extend deformation.Be respectively arranged at the second deformation film 61 on column direction Y
The third electrode 62 and the 4th electrode 63 of opposite two sides are configured to receive the second electric signal.
Second deformation film 61 can generate along column direction Y under the stimulation of the second electric signal and extend deformation, third electrode
62 and the 4th electrode 63 be respectively arranged at the two sides opposite on column direction Y of the second deformation film 61, for receiving the second electricity
Signal.Illustratively, electric field, inside the second deformation film 61, direction of an electric field are applied to third electrode 62 and the 4th electrode 63
It is parallel to column direction Y, so that the second deformation film 61 is generated along column direction Y extends deformation.
As a kind of possible design, each second blade 6 further includes, respectively with 63 phase of third electrode 62 and the 4th electrode
Privates 64 and privates 65 even, privates 64 and privates 65 are used to give the second electric signal transmission to third electricity
Pole 62 and the 4th electrode 63.
In some embodiments, the material of the first deformation film 51 and the second deformation film 52 includes electroactive polymer.
Electroactive polymer (Electroactive Polymers, EAP) is a kind of intellectual material, has special electrical property
Energy and mechanical performance generate miniature deformation after by electro photoluminescence.Electroactive polymer can change it under electric field action
Shape or size.It is exemplary, when electroactive polymer is by electric field action with its polarizing voltage same polarity, electroactive polymerization
The polarization intensity of object increases, and distance increases between internal positive and negative bound charge, i.e., electroactive polymer is sent out along parallel polarization direction
Raw elongation deformation.After removing electric field, electroactive polymer is shunk, and reverts to the shape of script.
Illustratively, electroactive polymer includes polymeric composites (AOC), electrostriction grafted elastomeric
(ESGE), electrostriction film (ESP), electroluminescent viscoelastic polymer (EVEM), ferroelectric polymer (FEP) and liquid crystal elastic body
(LCE), carbon nanotube (CNT), conducting polymer (CP), electrorheological fluids (ERF), ionic polymer gel (IPG) and from
Sub- polymer-based metal composite material (IPMC) etc..
Referring again to Figure 10, the material of the first deformation film 51 is electroactive polymer, the polarization of the electroactive polymer
It is oriented parallel to line direction X, first electrode 52 and second electrode 53 are respectively arranged at the first deformation film 51 in the row direction
The first electric signal is transmitted to first electrode 52 and second electrode 53 by the first conducting wire 54 and the second conducting wire 55 in opposite two sides
V1, under the action of first electrode 52 and second electrode 53, electric field is applied to the first deformation film 51, direction of an electric field is parallel to row
Direction X, and it is parallel with the polarization direction of electroactive polymer, so that along parallel polarization direction elongation shape occurs for electroactive polymer
Become, so that the first blade 5 is generated along line direction X extends deformation.Similarly, the second blade 6 generates the principle and first for extending deformation
Blade 5 is identical, and details are not described herein again.
In some embodiments, the first conducting wire 54 and the second conducting wire 55, privates 64 and privates 65 are received using silver
Rice noodles, silver nanowires have high-specific surface area, good electric conductivity and nanocomposite optical property, can be used for the embodiment of the present invention and mentioned
In the peep-proof film 100 of confession.
In some embodiments, first electrode 52 and second electrode 53, second electrode 62 and the 4th electrode 63 are using flexible
Electrode, flexible electrode are able to maintain stable electric conductivity when receiving stretching, in the first deformation film 5 and the second deformation film 6
It generates and extends deformation so that flexible electrode is when also deformation occurs, be still able to maintain stabilization, guarantee the function of receiving electric signal
It realizes.
As a kind of possible design, as shown in Figure 10 and Figure 11, peep-proof film 100 further includes the first signal wire L1, second
Signal wire L2, third signal wire L3And fourth signal line L4, the first conducting wire 54 of multiple first blades 5 of every row is with first
Signal wire L1Be connected, the second conducting wire 55 with second signal line L2It is connected, the privates 64 of multiple second blades 6 of each column is equal
With third signal wire L3Be connected, privates 65 with fourth signal line L4It is connected, the first signal wire L1, second signal line L2,
Three signal wire L3And fourth signal line L4It is connected to power supply, to pass through the first signal wire L1With second signal line L2To every
Capable multiple first blades 5 apply the first electric signal V1, pass through third signal wire L3With fourth signal line L4To multiple the of each column
Two blades 6 apply the second electric signal V2, simplify operation.
In some embodiments, as shown in Fig. 7 a, Fig. 8 a and Fig. 9 a, in multiple first blades 5 of every row, each adjacent two
Spacing between first blade 5 is equal；Spacing phase in multiple second blades 6 of each column, between the second blade of each adjacent two 6
Deng.
In the above-described embodiments, when applying identical first electric signal to each first blade 5, multiple first blades 5
The extension deformation quantity occurred is equal, due in multiple first blades 5 of every row, between the first blade of each adjacent two 5
Spacing is equal, and the extension deformation quantity along line direction X that can be thus uniformly controlled multiple first blades 5 of every row is equal to every phase
Spacing between adjacent two the first blades 5, guarantees that two neighboring first blade 5 of every row contacts with each other, and improve operation can
By property and feasibility.
Equally, when applying identical second electric signal to each second blade 6, what multiple second blades 6 were occurred prolongs
Deformation quantity is stretched to be equal, since in multiple second blades 6 of each column, the spacing between the second blade of each adjacent two 6 is equal, this
Sample can be uniformly controlled multiple second blades 6 the extension deformation quantity along column direction Y be equal to the second blade of each adjacent two 6 it
Between spacing, guarantee that two neighboring second blade 6 of each column contacts with each other, improve the reliability and feasibility of operation.
As a kind of possible design, orthographic projection and second blade 6 of first blade 5 in the first membrane material 3 are described
The shape of orthographic projection in one membrane material 3 is rectangle.By the first blade 5 and such as above-mentioned design of the second blade 6, the first leaf can be made
When piece 5 and the second blade 6 occur to extend deformation, the first blade 5 and the first blade 5, the first blade 5 and the second blade 6, Yi Ji
The contact mutual with the second blade 6 of two blades 6 is more abundant, so that the peep-proof effect of peep-proof film 100 is more preferable.
The embodiment of the present invention also provides a kind of peep-proof film 200, and as shown in Figure 12 a~Figure 12 d, peep-proof film 200 includes: phase
To the first membrane material 3 and the second membrane material 4 of setting, and the multiple third blades being set between the first membrane material 3 and the second membrane material 4
8, the multiple third blade 8 is arranged in array.Third blade 8 is configured to receive third electric signal, along the multiple third
The line direction X that blade 8 is arranged, which is generated, extends deformation；And the 4th electric signal is received, along the column of the multiple third blade 8 arrangement
Direction Y, which is generated, extends deformation.
It should be noted that as figure 12 a shows, it is described in the case where not applying third electric signal and four electric signals
Multiple third blades 8 do not generate deformation, and light is projected by the gap between the multiple third blade 8, and display picture is able to
Normal display, and normal display picture can be watched in each orientation, peep-proof film 200 at this time does not have peep-proof effect, energy
Enough realize that normal viewing angle is shown.
As shown in fig. 12 c, third blade 8 is after receiving third electric signal, along the row of the multiple third blade 8 arrangement
Direction X, which is generated, extends deformation, and multiple third blades 8 for occurring to extend deformation along line direction X of every row form the first peep-proof item
11a, to form multiple the first peep-proof 11a extended along line direction X in peep-proof film 100, and the multiple first peep-proof
11a is along column direction Y laid out in parallel.Make the beam angle of the column direction Y glazed thread of the plane determined by peep-proof film 200 in this way
It spends range to reduce, i.e. visible angle range of the peep-proof film 200 on column direction Y reduces, and realizes and generates peep-proof effect on column direction Y
Fruit.
Referring again to Fig. 6, peep-proof film 200 is applied in display device 2, line direction X is made to be parallel to the cross of display device 2
To X1, under the action of multiple first peep-proof 11a, in longitudinal Y of the display surface of display device 21On, light passes through peep-proof film
After multiple first peep-proof 11a formed in 200, light-emitting angle range reduces, so that display device 2 is longitudinal visual
Angular range reduces, and visible area corresponding to the longitudinal direction visible angle also reduces.It is being located at display device 2 just as viewer
When the position of face, such as at location A, since normal display picture in visible area, can be watched.When viewer is located at
When two side position up and down of display device 2, such as at the position D and at the position E, viewer is in display surface longitudinal direction Y1On visual angle exist
Except longitudinal visible angle range, enter human eye in not visible region, therefore without light, viewer can not see display
Picture, the display device seen are blank screen, generate peep-proof effect in upper downwards angle of visibility to realize.
Further, by using the methods of the intensity of control third electric signal, so that two thirds adjacent in every row
Blade 8 can contact with each other after generating extension deformation along line direction X, so that multiple generations of every row extend the third leaf of deformation
The shaded effect that piece 8 is formed by the first peep-proof 11a is more preferable, so that the peep-proof effect of the upper downwards angle of visibility of peep-proof film 200 is more preferable.
As shown in figure 12d, third blade 8 is after receiving the 4th electric signal, along the column of the multiple third blade 8 arrangement
Direction Y, which is generated, extends deformation, and multiple third blades 8 for occurring to extend deformation along column direction Y of each column form the second peep-proof item
11ab, to form multiple the second peep-proof 11b extended along column direction Y in peep-proof film 100, and the multiple second peep-proof
11b is along line direction X laid out in parallel.Make the beam angle of the line direction X glazed thread of the plane determined by peep-proof film 200 in this way
It spends range to reduce, i.e. visible angle range of the peep-proof film 200 on line direction X reduces, and realizes and generates peep-proof effect on line direction X
Fruit.
Referring again to Fig. 4, peep-proof film 200 is applied in display device 2, line direction X is made to be parallel to the cross of display device 2
To X1, under the action of multiple second peep-proof 11b, in the lateral X of the display surface of display device 21On, light passes through peep-proof film
After multiple second peep-proof 11b formed in 200, light-emitting angle range reduces, so that display device 2 is laterally visual
Angular range reduces, and visible area corresponding to the transverse direction visible angle also reduces.It is being located at display device 2 just as viewer
When the position of face, such as at location A, since normal display picture in visible area, can be watched.When viewer is located at
When the left and right sides position of display device 2, such as at B location and at location of C, viewer is in display surface transverse direction X1On visual angle exist
Except lateral visible angle range, enter human eye in not visible region, therefore without light, viewer can not see display
Picture, the display device seen are blank screen, generate peep-proof effect at left and right visual angle to realize.
Further, by using the methods of the intensity of the 4th electric signal of control, so that two thirds adjacent in each column
Blade 8 can contact with each other after generating extension deformation along column direction Y, so that multiple generations of each column extend the third leaf of deformation
The shaded effect that piece 8 is formed by the second peep-proof 11b is more preferable, so that the peep-proof effect at the left and right visual angle of peep-proof film 200 is more preferable.
In this way, peep-proof film 200 is applied in display device, the peep-proof at left and right visual angle and upper downwards angle of visibility may be implemented,
The peep-proof effect of display device is improved, the risk of information leakage is effectively reduced.
Also, it is shown since normal viewing angle may be implemented in peep-proof film 200, three kinds of left and right visual angle peep-proof and upper downwards angle of visibility peep-proof
Function, in this way, when not needing to carry out peep-proof, user can choose normal viewing angle display pattern using peep-proof film 200, so that
Display device does not enable peep-proof function, realizes Screen sharing；When needing to carry out the peep-proof at left and right visual angle, user can choose a left side
LOOK RIGHT peep-proof mode avoids the people being located at left and right sides of display device from peeping screen, effectively prevent divulging a secret；On needing to carry out
When the peep-proof of downwards angle of visibility, user can choose downwards angle of visibility peep-proof mode, and the people positioned at the two sides up and down of display device is avoided to steal
Screen is peeped, effectively prevent divulging a secret.In this way, the flexible switching of Three models, the reality of peep-proof film 200 can be carried out according to actual needs
It is stronger with property, facilitate user under different scenes using the electronic equipment for being provided with peep-proof film 200.
In some embodiments, as shown in figure 13, each third blade 8 includes: third deformation film 81, is configured to
Under the stimulation of three electric signals, is generated along line direction X and extend deformation；And under the stimulation of the 4th electric signal, prolong along column direction Y generation
Stretch deformation.Each third blade 8 further include be respectively arranged at third deformation film 81 two sides opposite on line direction X
Five electrodes 82 and the 6th electrode 83 are configured to receive third electric signal；And it is respectively arranged at arranging for third deformation film 81
The 7th electrode 84 and the 8th electrode 85 of opposite two sides on the Y of direction are configured to receive the 4th electric signal.
As a kind of possible design, each third blade 8 further includes, respectively with the 5th electrode 82 and 83 phase of the 6th electrode
The 5th conducting wire 86 and the 6th conducting wire 87 even, the 5th conducting wire 86 and the 6th conducting wire 87 are used for the first electric signal transmission to the 5th electricity
Pole 82 and the 6th electrode 83.And the 5th conducting wire 86 and the 6th conducting wire being connected respectively with the 7th electrode 84 and the 8th electrode 85
87, the 7th conducting wire 88 and the 8th conducting wire 89 are used for the second electric signal transmission to the 7th electrode 84 and the 8th electrode 85.
In some embodiments, the material of third deformation film includes conducting polymer (CP).
Conducting polymer be with extend p rail system conjugated polymer, electronics can by the p rail system from
One end of conducting polymer is moved to the other end.When applying electric field to conducting polymer, electronics ease can occur for conducting polymer
It is recombinated out with double bond, conducting polymer is moved with conformation, in order to keep its electroneutral, can absorb the counter ion and water on periphery
Molecule can thus make conducting polymer expand, and occur to extend deformation.By the electricity for applying direction initialization to conducting polymer
, it brings it about and occurs to extend deformation along direction initialization.After removing electric field, conducting polymer reverts to the shape of script.
Illustratively, conducting polymer includes polypyrrole, polyaniline and polythiophene etc..
Referring again to Figure 13, in some embodiments, the material of third deformation film 81 is conducting polymer, the 5th electrode
82 and the 6th electrode 83 be respectively arranged at the two sides opposite on line direction X of third deformation film 81, the 7th electrode 84 and
Eight electrodes 85 are respectively arranged at the two sides opposite on column direction Y of third deformation film 81, the 5th electrode 82 and the 6th electrode
83 receive third electric signal, under the action of the 5th electrode 82 and the 6th electrode 83, apply electric field, electricity to third deformation film 81
Field direction is parallel to line direction X, so that along line direction X elongation deformation occurs for conducting polymer, so that third blade 8 is along line direction
X, which is generated, extends deformation.Similarly, the 7th electrode 84 and the 8th electrode 85 receive the 4th electric signal, in the 7th electrode 84 and the 8th electricity
Under the action of pole 85, electric field is applied to third deformation film 81, direction of an electric field is parallel to column direction Y, thus conducting polymer edge
Elongation deformation occurs for column direction Y, so that third blade 8 is generated along column direction Y extends deformation.
In some embodiments, the 5th conducting wire 86 and the 6th conducting wire 87, the 7th conducting wire 88 and the 8th conducting wire 89 are received using silver
Rice noodles, silver nanowires have high-specific surface area, good electric conductivity and nanocomposite optical property, can be used for the embodiment of the present invention and mentioned
In the peep-proof film 200 of confession.
In some embodiments, the 5th electrode 82 and the 6th electrode 83, the 7th electrode 84 and the 8th electrode 85 are using flexible
Electrode, flexible electrode are able to maintain stable electric conductivity when receiving stretching, third deformation film 81 generate extend deformation into
And when making flexible electrode also deformation occurs, it is still able to maintain stabilization, guarantees the realization for receiving the function of electric signal.
As a kind of possible design, as shown in figure 13, peep-proof film 100 further includes a plurality of first signal wire L1, a plurality of
Binary signal line L2, a plurality of third signal wire L3And a plurality of fourth signal line L4, adjacent the first signal wire L1With second signal line
L2It is one group, is electrically connected respectively with the positive and negative anodes of power supply, is configured to the 5th electrode 82 and the 6th electrode 83 transmission third telecommunications
Number V3, adjacent third signal wire L3With fourth signal line L4It is one group, is connected respectively with the positive and negative anodes of power supply, is configured to
Seven electrodes 84 and the 8th electrode 85 transmit the 4th electric signal V4。
The corresponding one group of first signal wire L of the third electrode 8 of every adjacent rows in the multiple third electrode 81With the second letter
Number line L2, the 5th conducting wire 86 and the 6th conducting wire 87 of the third electrode 8 of the adjacent rows respectively with the first signal wire L1With the second letter
Number line L2It is connected, to pass through the first signal wire L1With second signal line L2Apply the to multiple third blades 8 of the adjacent rows
Three electric signal V3.The corresponding one group of third signal wire L of third electrode 8 in the multiple third electrode 8 per adjacent two column3With the 4th
Signal wire L4, this it is adjacent two column third electrode 8 the 7th conducting wire 88 and the 8th conducting wire 89 respectively with third signal wire L3With the 4th
Signal wire L4It is connected, to pass through third signal wire L3With fourth signal line L4Apply to multiple third blades 8 of adjacent two column
4th electric signal V4。
In some embodiments, on line direction X, the spacing between each adjacent two third blade 8 is equal；And it is arranging
On the Y of direction, the spacing between each adjacent two third blade 8 is equal.
In the above-described embodiments, when applying identical third electric signal to each third blade 8, multiple third blades 8
Be equal along the extension deformation quantity that line direction X is occurred, due on line direction X, between each adjacent two third blade 8 between
Away from equal, can thus be uniformly controlled multiple third blades 8 be equal to along the extension deformation quantity of line direction X it is every on line direction X
Spacing between two neighboring third blade 8 guarantees that the two neighboring third blade 8 of every row contacts with each other, improves operation
Reliability and feasibility.
Equally, when applying identical four electric signal to each third blade 8, multiple third blades 8 are along column direction Y institute
The extension deformation quantity of generation is equal, since on column direction Y, the spacing between each adjacent two third blade 8 is equal, in this way
The extension deformation quantity that multiple third blades 8 can be uniformly controlled along column direction Y is equal in column direction Y each adjacent two third leaf
Spacing between piece 8 guarantees that the two neighboring third blade 8 of each column contacts with each other, improves the reliability and feasibility of operation.
In some embodiments, the shape of orthographic projection of the third blade 8 in the first membrane material 3 is rectangle.In this way in third
When blade 8 occurs to extend deformation, the contact mutual with third blade 8 of third blade 8 is more abundant, so that peep-proof film 200
Peep-proof effect it is more preferable.
It should be noted that peep-proof film 100 shown in Fig. 7 a~Figure 11, peep-proof film 200 shown in Figure 12 a~Figure 13 can be with
It is interpreted as the partial schematic diagram of peep-proof film, rather than overall schematic.In some other embodiments, peep-proof film 100 and 200 is removed
Outside including corresponding membrane material and blade, also have other components, such as the blade for encapsulating peep-proof film sealant, for will
The electric signal transmission that outside provides is to the connecting terminal of signal wire, etc. inside peep-proof film.
It further include being set to the display the embodiments of the present invention also provide a kind of display device, including display panel
The peep-proof film of the side of panel, the peep-proof film are the upper peep-proof film 100 or peep-proof film 200.
In some embodiments, as shown in figures 14a, display device is liquid crystal display device 300, aobvious including liquid crystalline type
Show panel 301 and backlight module 302, peep-proof film 100 (200) is between display panel 301 and backlight module 302, when will prevent
When peeping film 100 (200) and switching to peep-proof mode, on the column direction of the plane determined by peep-proof film 100 (200) or on line direction
The light-emitting angle range of light reduces, so that the lateral visible angle range of liquid crystal display device 300 or longitudinal angle of visibility
Range is spent to reduce.
In further embodiments, as shown in fig. 14b, display device is OLED ((Organic Light-Emitting
Diode, Organic Light Emitting Diode) display device 400, the display panel 401 including OLED type, peep-proof film 100 (200) is integrated
In the light emission side of display panel 401, when peep-proof film 100 (200) is switched to peep-proof mode, in peep-proof film 100 (200), institute is true
On the column direction of fixed plane or the light-emitting angle range of line direction glazed thread reduces, so that OLED display 400
Lateral visible angle range or longitudinal visible angle range reduce.
The display device as provided by the embodiment of the present invention include be set to the side of display panel peep-proof film 100 or
Person's peep-proof film 200, so that there is display device normal viewing angle to show, three kinds of functions of left and right visual angle peep-proof and upper downwards angle of visibility peep-proof,
To improving the peep-proof effect of display device, the risk of information leakage is effectively reduced, also, can be with according to different needs
The switching of different peep-proof modes is carried out, flexibility is high, practical.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of peep-proof film characterized by comprising
The first membrane material and the second membrane material being oppositely arranged,
Multiple first blades being set between first membrane material and second membrane material, the multiple first blades arrangement at
Multirow；First blade is configured to receive the first electric signal, and the line direction along the multiple first blade arrangement generates extension
Deformation；
Multiple second blades being set between first membrane material and second membrane material, the multiple second blades arrangement at
Multiple row；Second blade is configured to receive the second electric signal, and the column direction along the multiple second blade arrangement generates extension
Deformation.
2. peep-proof film according to claim 1, which is characterized in that the multiple second blades arrangement is at multirow；Described in
Column direction, the first blade of multirow and the second blade alternate of multirow are arranged；In adjacent the first row of blades and the second row of blades, first
Blade mutually staggers in the column direction with the second blade；
On the line direction, the spacing between two neighboring first blade is greater than second blade in the line direction
On size；
In the column direction, the spacing between two neighboring second blade is greater than first blade in the column direction
On size.
3. peep-proof film according to claim 1, which is characterized in that the multiple first blade and the multiple second blade
It is alternately arranged along the line direction, and is alternately arranged along the column direction.
4. peep-proof film according to claim 1, which is characterized in that the peep-proof film further includes being set to first membrane material
Third membrane material between second membrane material；
The multiple first blade is set between first membrane material and the third membrane material, the multiple second blade setting
Between second membrane material and the third membrane material；
Orthographic projection of the multiple first blade in the third membrane material and the multiple second blade are in the third membrane material
On orthographic projection there is overlapping region correspondingly.
5. peep-proof film according to claim 1, which is characterized in that each first blade includes:
First deformation film is configured under the stimulation of first electric signal, is generated along the line direction and is extended deformation；
It is respectively arranged at the first electrode and second electrode of the two sides opposite on the line direction of the first deformation film,
It is configured to receive first electric signal；
Each second blade includes:
Second deformation film is configured under the stimulation of second electric signal, is generated along the column direction and is extended deformation；
It is respectively arranged at the third electrode and the 4th electrode of the two sides opposite in the column direction of the second deformation film,
It is configured to receive second electric signal.
6. peep-proof film according to claim 1, which is characterized in that in multiple first blades of every row, each adjacent two institute
The spacing stated between the first blade is equal；
In multiple second blades of each column, the spacing between the second blade described in each adjacent two is equal.
7. a kind of peep-proof film characterized by comprising
The first membrane material and the second membrane material being oppositely arranged,
The multiple third blades being set between first membrane material and second membrane material, the multiple third blade are in array
Formula arrangement；
The third blade is configured to receive third electric signal, generates along the line direction of the multiple third blade arrangement and extends shape
Become；And the 4th electric signal is received, it is generated along the column direction of the multiple third blade arrangement and extends deformation.
8. peep-proof film according to claim 7, which is characterized in that each third blade includes:
Third deformation film is configured under the stimulation of the third electric signal, is generated along the line direction and is extended deformation；And
Under the stimulation of 4th electric signal, is generated along the column direction and extend deformation；
It is respectively arranged at the 5th electrode and the 6th electrode of the two sides opposite on the line direction of the third deformation film,
It is configured to receive the third electric signal；
It is respectively arranged at the 7th electrode and the 8th electrode of the two sides opposite in the column direction of the third deformation film,
It is configured to receive the 4th electric signal.
9. peep-proof film according to claim 7, which is characterized in that on the line direction, third described in each adjacent two
Spacing between blade is equal；And
In the column direction, the spacing between third blade described in each adjacent two is equal.
10. a kind of display device, including display panel, which is characterized in that further include the side for being set to the display panel
Peep-proof film, the peep-proof film are such as peep-proof film according to any one of claims 1 to 9.
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| CN112701147A (en) * | 2020-12-28 | 2021-04-23 | 厦门天马微电子有限公司 | Display panel and display device |
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|---|---|
| CN110161677B (en) | 2021-05-25 |
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