CN109765706A - A kind of display device and its control method - Google Patents
A kind of display device and its control method Download PDFInfo
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- CN109765706A CN109765706A CN201910249802.9A CN201910249802A CN109765706A CN 109765706 A CN109765706 A CN 109765706A CN 201910249802 A CN201910249802 A CN 201910249802A CN 109765706 A CN109765706 A CN 109765706A
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- proof
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Abstract
The present invention provides a kind of display device and its control method, wherein display device includes: display panel, and the display panel includes control circuit；Peep-proof unit, the peep-proof unit are located at the incidence surface or light-emitting surface of the display panel；The peep-proof unit can switch between peep-proof state and shared state under the control of the control circuit, when the peep-proof unit is under peep-proof state, the first light through the peep-proof unit and the angle between the normal of the peep-proof unit light-emitting surface are respectively less than or are equal to predetermined angle；When the peep-proof unit in shared state when, the second light through the peep-proof unit includes third light, the angle between the third light and the normal of the peep-proof unit light-emitting surface be greater than predetermined angle.Display device and its control method provided by the invention can control display device and switch between shared display and peep-proof are shown, improve the flexibility of display.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display devices and its control method.
Background technique
With the development of network technology, more and more people do shopping on network or the operations such as account trading.?
During aforesaid operations, user is frequently necessary to input the privacies such as personal information, password letter in the display devices such as computer, mobile phone
Breath, and the people of surrounding may view the leakage that these privacy informations cause user privacy information.Therefore, more and more displays
Device has peep-proof function.
In the prior art, peep-proof display device is to increase by one layer of 3M peep-proof film and liquid crystal in backlight display mould group (BLU)
Light modulation film (Polymer Dispersed Liquid Crystal, abbreviation PDLC).However, increasing the display device of peep-proof film
Shared display can not be just switched back into, display flexibility is low.
Summary of the invention
The embodiment of the present invention provides a kind of display base plate and its control method, can not to solve existing peep-proof display device
The problem of toggling between state and shared display state is shown in peep-proof.
It is as follows that in order to solve the above technical problem, the present invention provides technical solutions:
In a first aspect, the embodiment of the present invention provides a kind of display device, comprising:
Display panel, the display panel include control circuit；
Peep-proof unit, the peep-proof unit are located at the incidence surface or light-emitting surface of the display panel；The peep-proof unit energy
It is enough to switch between peep-proof state and shared state under the control of the control circuit, when the peep-proof unit is in peep-proof state
When lower, the first light through the peep-proof unit and the angle between the normal of the peep-proof unit light-emitting surface are respectively less than or wait
In predetermined angle；When the peep-proof unit in shared state when, the second light through the peep-proof unit includes third light
Line, the angle between the third light and the normal of the peep-proof unit light-emitting surface are greater than predetermined angle.
Further, the peep-proof unit includes first electrode, second electrode and is located at the first electrode and described
Peep-proof layer between second electrode, the peep-proof layer include opaque particle；
The first electrode and the second electrode under the control of the control circuit for forming electric field, the peep-proof
Opaque particle in layer can move under the action of the electric field.
Further, when the peep-proof unit is under peep-proof state, the opaque particle in the peep-proof layer is in
Same plane, the plane is parallel with the first electrode, and is spaced the first pre-determined distance between two neighboring opaque particle；
When the peep-proof unit in shared state when, the first polar opaque particle is attached at institute in the peep-proof layer
Second electrode is stated, the second polar opaque particle is attached at the first electrode in the peep-proof layer, wherein first is polar
The electrical property of opaque particle and the second electrode on the contrary, the second polar opaque particle and the first electrode electrical phase
Instead, be spaced the second pre-determined distance between two neighboring opaque particle, second pre-determined distance be greater than described first it is default away from
From.
Further, the display device further includes transparent signal line, and the transparent signal line is located at the display panel
Between the peep-proof unit；The transparent signal line respectively with the control circuit, the first electrode and it is described second electricity
Pole connection.
Further, the opaque particle is light-reflecting particles.
Further, the quantity of the peep-proof unit is at least two, and at least two peep-proof units are located at institute
State the incidence surface of display panel or the different zones of light-emitting surface.
Further, the peep-proof unit with a thickness of 0.07-0.13 millimeters.
Second aspect, the embodiment of the present invention also provide a kind of control method of display device as described above, the method
Include:
When receiving peep-proof idsplay order, the peep-proof unit is controlled by the control circuit and switches to peep-proof shape
State；
When receiving shared idsplay order, the peep-proof unit is controlled by the control circuit and switches to shared shape
State.
Further, applied to above-mentioned display device；
It is described that the step of peep-proof unit switches to peep-proof state is controlled by the control circuit, comprising:
The first electrode and the second electrode are controlled by the control circuit, so that impermeable in the peep-proof layer
Bright particle is in same plane, and the plane is parallel with the first electrode, and is spaced between two neighboring opaque particle
First pre-determined distance；
It is described that the step of peep-proof unit switches to shared state is controlled by the control circuit, comprising:
The first electrode and the second electrode are controlled by the control circuit, so that the first pole in the peep-proof layer
The opaque particle of property is attached at the second electrode, and the second polar opaque particle is attached at described in the peep-proof layer
One electrode, wherein the electrical property of the first polar opaque particle and the second electrode is on the contrary, the second polar opaque particle
For electrical property with the first electrode on the contrary, being spaced the second pre-determined distance between two neighboring opaque particle, described second is default
Distance is greater than first pre-determined distance.
In technical solution provided by the invention, peep-proof unit in peep-proof state and can be shared under the control of the control circuit
Switch between state, when peep-proof unit is under peep-proof state, through the first light and the peep-proof list of the peep-proof unit
Angle between the normal of first light-emitting surface is respectively less than or is equal to predetermined angle, and display device is in peep-proof and shows at this time；When described
Peep-proof unit in shared state when, the second light through the peep-proof unit includes third light, third light and peep-proof
Angle between the normal of unit light-emitting surface is greater than predetermined angle, and display device is in shared display at this time.In this way, display device
Without increasing peep-proof film, display device can be controlled between shared display and peep-proof are shown by control circuit and switched.Cause
This, technical solution provided by the invention can control display device and switch between shared display and peep-proof are shown, improve display
Flexibility.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the display device that one embodiment of the invention provides；
Fig. 2 a be peep-proof unit projects under peep-proof state in the display device that provides of one embodiment of the invention light with
The position view of eyes；
Fig. 2 b be peep-proof unit projects in shared state in the display device that provides of one embodiment of the invention light with
The position view of eyes；
Fig. 3 a is structural representation of the peep-proof unit under peep-proof state in the display device that one embodiment of the invention provides
Figure；
Fig. 3 b is the structural representation of peep-proof unit in shared state in the display device that one embodiment of the invention provides
Figure；
Fig. 4 be in the display device that provides of one embodiment of the invention transparent signal line respectively with control circuit and peep-proof unit
Connection schematic diagram；
Fig. 5 is the flow chart of the control method for the display device that one embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the prior art, peep-proof display device is the peep-proof film and tune for increasing by one layer of 3M in backlight display mould group (BLU)
Light (Polymer Dispersed Liquid Crystal, abbreviation PDLC) film, but such peep-proof display device thickness compared with
Thick and luminance loss is big, and liquid crystal display die set, Liquid Crystal Module center brightness influence visual effect only in 120nit or so.
The embodiment of the present invention is able to suppress by phase in view of the above-mentioned problems, provide a kind of display device and its control method
Speckle noise caused by dry effect improves the quality and resolution ratio of the hologram image of image recording structure record.
The embodiment of the present invention provides a kind of display device, as shown in Figure 1, comprising:
Display panel 110, the display panel include control circuit；
Peep-proof unit 120, the peep-proof unit 120 are located at the incidence surface or light-emitting surface of the display panel 110；It is described anti-
Peeping unit 120 can switch between peep-proof state and shared state under the control of the control circuit, when the peep-proof list
When member 120 is under peep-proof state, the method for the first light and 120 light-emitting surface of peep-proof unit through the peep-proof unit 120
Angle between line is respectively less than or is equal to predetermined angle；When the peep-proof unit 120 in shared state when, through the peep-proof
Second light of unit 120 includes third light, between the third light and the normal of 120 light-emitting surface of peep-proof unit
Angle is greater than predetermined angle.
In the embodiment of the present invention, peep-proof unit can be under the control of the control circuit between peep-proof state and shared state
Switching, when peep-proof unit is under peep-proof state, through the first light and the peep-proof unit light-emitting surface of the peep-proof unit
Normal between angle be respectively less than or be equal to predetermined angle, display device is in peep-proof and shows at this time；When the peep-proof unit
When in shared state, the second light through the peep-proof unit includes third light, and third light and peep-proof unit go out light
Angle between the normal in face is greater than predetermined angle, and display device is in shared display at this time.In this way, display device is without increasing
Peep-proof film can either control display device between shared display and peep-proof are shown by control circuit and switch.Therefore, of the invention
The technical solution of offer can control display device and switch between shared display and peep-proof are shown, improve the flexibility of display.
Above-mentioned display panel 110 is located at the emission side of backlight 130, and above-mentioned peep-proof unit 120 can be positioned at display surface
(it is located at the incidence surface positioned at display panel 110) between plate and backlight, as shown in Figure 1, being also possible to be located at display panel
Backwards to the side (light-emitting surface for being located at display panel 110) of backlight.
Peep-proof unit 120 is connect with the control circuit in display panel 110, and control circuit can be by peep-proof unit
The different electric energy of 120 outputs, switch peep-proof unit 120 between peep-proof state and shared state.Wherein, control circuit can
Be export corresponding electric energy after the instruction for receiving user's triggering make peep-proof unit peep-proof state and shared state it
Between switch.
When the peep-proof unit 120 is under peep-proof state, prevent through the first light of the peep-proof unit 120 with described
When the angle peeped between the normal of 120 light-emitting surface of unit is respectively less than or is equal to predetermined angle, the eye outside default display area
Eyeball A can not see that the display picture of display device, the eyes B being only located in default display area can just see display device
Picture is shown, as shown in Figure 2 a, to achieve the effect that peep-proof is shown；Wherein, presetting display area is to go out light with display device
Angle between the normal in face be respectively less than or equal to predetermined angle region.
When the peep-proof unit 120 in shared state when, the second light through the peep-proof unit 120 includes third
Light, when angle between the third light and the normal of 120 light-emitting surface of peep-proof unit is greater than predetermined angle, not only position
In the eyes C in default display area it can be seen that the display picture of display device, the eyes D except default display area
It can also be seen that the display picture of display device with eye E, as shown in Figure 2 b (dotted arrow is third light in Fig. 2), thus
Achieve the effect that shared display.
The thickness of above-mentioned peep-proof unit 120 can be 0.07-0.13 millimeters.Due to peep-proof film in the prior art with a thickness of
0.32 millimeter, pdlc film is with a thickness of 0.12 millimeter, and thickness can mention peep-proof in 0.07-0.13 millimeters of peep-proof unit 120
Film and pdlc film, so as to substantially reduce the thickness of display device.
Further, as shown in Figure 3a and Figure 3b shows, the peep-proof unit 120 include first electrode 121, second electrode 122,
And the peep-proof layer 123 between the first electrode 121 and the second electrode 122, the peep-proof layer 123 include impermeable
Bright particle；
The first electrode 121 and the second electrode 122 under the control of the control circuit for forming electric field, institute
Stating the opaque particle in peep-proof layer 123 can move under the action of the electric field.
It include transparent electrophoresis liquid and opaque particle in peep-proof layer 123, wherein opaque particle is charged particle.Control
Circuit is connect with first electrode 121 and second electrode 122 respectively, to be formed between first electrode 121 and second electrode 122
Electric field, each opaque particle move in electrophoresis liquid under electric field action.
In the present embodiment, peep-proof layer can be realized by changing the electric field between first electrode 121 and second electrode 122
The change in location of opaque particle in 123, and then reach control peep-proof unit 120 and switch between peep-proof state and shared state
Effect, control mode is simple, reliable.
Further, the opaque particle when the peep-proof unit 120 is under peep-proof state, in the peep-proof layer 123
It is in same plane, the plane is parallel with the first electrode 121, and is spaced first between two neighboring opaque particle
Pre-determined distance；
When the peep-proof unit 120 in shared state when, the first polar opaque particle patch in the peep-proof layer 123
Set on the second electrode 122, second polar opaque particle is attached at the first electrode 121 in the peep-proof layer 123,
Wherein, the first polar opaque particle and the second electrode electrical property on the contrary, the second polar opaque particle with it is described
The electrical property of first electrode 121 is on the contrary, be spaced the second pre-determined distance between two neighboring opaque particle, second pre-determined distance
Greater than first pre-determined distance.
When the peep-proof unit 120 is under peep-proof state, whole opaque particles is pre- with first in peep-proof layer 123
If the interval tiling of distance d1 is in the same plane, as shown in Figure 3a.It can be seen that light penetrates two neighboring opaque particle
Angle be α 1, the first pre-determined distance can determine the angles of display, the smaller corresponding peep-proof angles of display of the first pre-determined distance
Smaller, the more big corresponding peep-proof angles of display of the first pre-determined distance is also bigger.To be adjusted according to the peep-proof angles of display of anticipation
First pre-determined distance can achieve the effect that display device peep-proof.
When the peep-proof unit 120 in shared state when, whole opaque particles is laid on respectively in peep-proof layer 123
In two planes, the second pre-determined distance d2 is spaced between the opaque particle in each plane, as shown in Figure 3b.Likewise, can
To find out that light penetrates the angle of two neighboring opaque particle as α 2, the second pre-determined distance can determine the angles of display, because
This adjusts the second pre-determined distance according to the shared angles of display of anticipation, can achieve the effect that display device is shared.
Referring to Fig. 3 a and Fig. 3 b, wherein respectively including the identical light I of angle and light II, it can be seen that Fig. 3 b
Middle light II can pass through two layers of particles plane and project, and the light I of equal angular can not pass through one layer of particle plane in Fig. 3 a,
This further illustrates opaque particles can be realized the switching of peep-proof state and shared state in different distributions.
Further, as shown in figure 4, the display device further includes transparent signal line 130, the transparent signal line 130
Between the display panel 110 and the peep-proof unit 120；The transparent signal line 130 respectively with the control circuit,
The first electrode 121 and the second electrode 122 connect.
Blocking to light can be avoided using transparent signal line 130, improve the luminous efficiency of display device.Transparent signal
Line 130, which can be, is formed in one side of the display panel 110 towards peep-proof unit 120 by coating process.
It should be noted that the quantity of the peep-proof unit 120 on the same display panel 110 can be at least two, until
Few two peep-proof units 120 are located at the different zones of 110 incidence surface of display panel or light-emitting surface.Each peep-proof
The working method of unit 120 is all as described above, the first electrode at least two peep-proof units 120 respectively of transparent signal line 130
121 and second electrode 122 connect, as shown in Figure 4.
In the case where a peep-proof unit 120 is in peep-proof state, another peep-proof unit 120 may be at shared shape
State also may be at peep-proof state, be independent of each other between each peep-proof unit 120, so that display device can be realized subregion peep-proof
Effect.
Further, above-mentioned opaque particle can be light-reflecting particles.
In this way, the light that opaque particle can will not be able to penetrate is reflected, these reflected light lines can be weighed
Newly have an opportunity not will cause the waste of light through opaque particle 120 again, improve the luminous efficiency of display device.
The production process of above-mentioned display device may is that firstly, passing through in the incidence surface of display panel or light-emitting surface side
Coating process produces the transparent conductive pattern connected to the control circuit；Later, by the first electrode of each peep-proof unit and
Two electrodes are fixed to be connect on a display panel and with transparent conductive pattern；Later, it is poured into toward between first electrode and second electrode
Electrophoresis liquid and opaque particle；Finally, encapsulating first electrode, second electrode and peep-proof layer to form peep-proof unit.In this way, display
Panel, peep-proof unit and light emitting source together constitute above-mentioned display device.
The embodiment of the present invention also provides a kind of control method of display device, as shown in Figure 5, which comprises
Step 501: when receiving peep-proof idsplay order, the peep-proof unit being controlled by the control circuit and is switched to
Peep-proof state；
Step 502: when receiving shared idsplay order, the peep-proof unit being controlled by the control circuit and is switched to
Shared state.
In the embodiment of the present invention, peep-proof unit can be under the control of the control circuit between peep-proof state and shared state
Switching, when peep-proof unit is under peep-proof state, through the first light and the peep-proof unit light-emitting surface of the peep-proof unit
Normal between angle be respectively less than or be equal to predetermined angle, display device is in peep-proof and shows at this time；When the peep-proof unit
When in shared state, the second light through the peep-proof unit includes third light, and third light and peep-proof unit go out light
Angle between the normal in face is greater than predetermined angle, and display device is in shared display at this time.In this way, display device is without increasing
Peep-proof film can either control display device between shared display and peep-proof are shown by control circuit and switch.Therefore, of the invention
The technical solution of offer can control display device and switch between shared display and peep-proof are shown, improve the flexibility of display.
Above-mentioned display panel is located at the emission side of backlight, and above-mentioned peep-proof unit can be positioned at display panel and backlight
Between (i.e. be located at positioned at display panel incidence surface), as shown in Figure 1, be also possible to be located at display panel backwards to the one of backlight
Side (light-emitting surface for being located at display panel).
Peep-proof unit is connect with the control circuit in display panel, and control circuit can be different by exporting to peep-proof unit
Electric energy, switch peep-proof unit between peep-proof state and shared state.Wherein, control circuit, which can be, is receiving use
Corresponding electric energy is exported after the instruction of family triggering switch peep-proof unit between peep-proof state and shared state.
When the peep-proof unit is under peep-proof state, through the first light and the peep-proof unit of the peep-proof unit
When angle between the normal of light-emitting surface is respectively less than or is equal to predetermined angle, the eyes A outside default display area can not be seen
To the display picture of display device, the eyes B only in default display area can just see the display picture of display device,
As shown in Figure 2 a, to achieve the effect that peep-proof is shown；Wherein, preset display area be with the normal of display device light-emitting surface it
Between angle be respectively less than or equal to predetermined angle region.
When the peep-proof unit in shared state when, the second light through the peep-proof unit includes third light,
When angle between the third light and the normal of the peep-proof unit light-emitting surface is greater than predetermined angle, it is not only located at default aobvious
Show the eyes C in region it can be seen that display device display picture, eyes D and eye E except default display area
It can also be seen that the display picture of display device, as shown in Figure 2 b (dotted arrow is third light in Fig. 2), to reach shared
The effect of display.
Further, when display device be Fig. 3 a and Fig. 3 b shown in display device when, it is described to pass through the control circuit
Control the step of peep-proof unit switches to peep-proof state, comprising:
The first electrode and the second electrode are controlled by the control circuit, so that impermeable in the peep-proof layer
Bright particle is in same plane, and the plane is parallel with the first electrode, and is spaced between two neighboring opaque particle
First pre-determined distance；
It is described that the step of peep-proof unit switches to shared state is controlled by the control circuit, comprising:
The first electrode and the second electrode are controlled by the control circuit, so that the first pole in the peep-proof layer
The opaque particle of property is attached at the second electrode, and the second polar opaque particle is attached at described in the peep-proof layer
One electrode, wherein the electrical property of the first polar opaque particle and the second electrode is on the contrary, the second polar opaque particle
For electrical property with the first electrode on the contrary, being spaced the second pre-determined distance between two neighboring opaque particle, described second is default
Distance is greater than first pre-determined distance.
The first electrode and the second electrode under the control of the control circuit for forming electric field, the peep-proof
Opaque particle in layer can move under the action of the electric field.
It include transparent electrophoresis liquid and opaque particle in peep-proof layer, wherein opaque particle is charged particle.Control circuit
It is connect respectively with first electrode and second electrode, so that electric field is formed between the first electrode and the second electrode, each opaque grain
Son moves in electrophoresis liquid under electric field action.The quantity of electric charge of different opaque particles can be different, and the quantity of electric charge is bigger, in electric field
The lower mobile distance of effect can be remoter.
When the peep-proof unit is under peep-proof state, whole opaque particles is with the first pre-determined distance in peep-proof layer
Interval tiling in the same plane, as shown in Figure 3a.It can be seen that light is α through the angle of two neighboring opaque particle
1, the first pre-determined distance can determine the angles of display, and the smaller corresponding peep-proof angles of display of the first pre-determined distance is smaller, first
The more big corresponding peep-proof angles of display of pre-determined distance is also bigger.To according to the peep-proof angles of display of anticipation adjustment first it is default away from
From can achieve the effect that display device peep-proof.
When the peep-proof unit in shared state when, in peep-proof layer whole opaque particles be laid on respectively two it is flat
On face, the second pre-determined distance d2 is spaced between the opaque particle in each plane, as shown in Figure 3b.Likewise, it can be seen that
Light is α 2 through the angle of two neighboring opaque particle, and the second pre-determined distance can determine the angles of display, therefore basis
The shared angles of display of anticipation adjusts the second pre-determined distance, can achieve the effect that display device is shared.
Referring to Fig. 3 a and Fig. 3 b, wherein respectively including the identical light I of angle and light II, it can be seen that Fig. 3 b
Middle light II can pass through two layers of particles plane and project, and the light I of equal angular can not pass through one layer of particle plane in Fig. 3 a,
This further illustrates opaque particles can be realized the switching of peep-proof state and shared state in different distributions.
It, can be impermeable in peep-proof layer to realize by changing the electric field between first electrode and second electrode in the present embodiment
The change in location of bright particle, and then achieve the effect that control peep-proof unit switches between peep-proof state and shared state, controls
Mode is simple, reliable.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (9)
1. a kind of display device characterized by comprising
Display panel, the display panel include control circuit；
Peep-proof unit, the peep-proof unit are located at the incidence surface or light-emitting surface of the display panel；The peep-proof unit can be
Switch between peep-proof state and shared state under the control of the control circuit, when the peep-proof unit is under peep-proof state
When, the first light through the peep-proof unit and the angle between the normal of the peep-proof unit light-emitting surface are respectively less than or are equal to
Predetermined angle；When the peep-proof unit in shared state when, the second light through the peep-proof unit includes third light,
Angle between the third light and the normal of the peep-proof unit light-emitting surface is greater than predetermined angle.
2. display device according to claim 1, which is characterized in that the peep-proof unit includes first electrode, the second electricity
Pole and the peep-proof layer between the first electrode and the second electrode, the peep-proof layer include opaque particle；
The first electrode and the second electrode under the control of the control circuit for forming electric field, in the peep-proof layer
Opaque particle can be moved under the action of the electric field.
3. display device according to claim 2, which is characterized in that when the peep-proof unit is under peep-proof state, institute
State the opaque particle in peep-proof layer and be in same plane, the plane is parallel with the first electrode, and it is two neighboring not
The first pre-determined distance is spaced between transparent particles；
When the peep-proof unit in shared state when, the first polar opaque particle is attached at described in the peep-proof layer
Two electrodes, the second polar opaque particle is attached at the first electrode in the peep-proof layer, wherein first is polar impermeable
The electrical property of bright particle and the second electrode on the contrary, the electrical property of the second polar opaque particle and the first electrode on the contrary,
The second pre-determined distance is spaced between two neighboring opaque particle, second pre-determined distance is greater than first pre-determined distance.
4. display device according to claim 2, which is characterized in that the display device further includes transparent signal line, institute
Transparent signal line is stated between the display panel and the peep-proof unit；The transparent signal line is electric with the control respectively
Road, the first electrode are connected with the second electrode.
5. display device according to claim 2, which is characterized in that the opaque particle is light-reflecting particles.
6. display device according to any one of claims 1-5, which is characterized in that the quantity of the peep-proof unit is extremely
Two few, at least two peep-proof units are located at the incidence surface of the display panel or the different zones of light-emitting surface.
7. display device according to claim 1, which is characterized in that the peep-proof unit with a thickness of 0.07-0.13 milli
Rice.
8. a kind of control method of such as display device of any of claims 1-7, which is characterized in that the method packet
It includes:
When receiving peep-proof idsplay order, the peep-proof unit is controlled by the control circuit and switches to peep-proof state；
When receiving shared idsplay order, the peep-proof unit is controlled by the control circuit and switches to shared state.
9. according to the method described in claim 8, it is characterized in that,
It is described that the step of peep-proof unit switches to peep-proof state is controlled by the control circuit, comprising:
First electrode and second electrode are controlled by the control circuit, so that the opaque particle in the peep-proof layer is in
Same plane, the plane is parallel with the first electrode, and is spaced the first pre-determined distance between two neighboring opaque particle；
It is described that the step of peep-proof unit switches to shared state is controlled by the control circuit, comprising:
The first electrode and the second electrode are controlled by the control circuit, so that first polar in the peep-proof layer
Opaque particle is attached at the second electrode, and the second polar opaque particle is attached at first electricity in the peep-proof layer
Pole, wherein the electrical property of the first polar opaque particle and the second electrode is on the contrary, the second polar opaque particle and institute
The electrical property of first electrode is stated on the contrary, being spaced the second pre-determined distance between two neighboring opaque particle, second pre-determined distance
Greater than first pre-determined distance.
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| CN109765706B (en) | 2022-08-16 |
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