CN107167933A - display, glasses device, control method, mobile terminal and display system - Google Patents
display, glasses device, control method, mobile terminal and display system Download PDFInfo
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- CN107167933A CN107167933A CN201710574353.6A CN201710574353A CN107167933A CN 107167933 A CN107167933 A CN 107167933A CN 201710574353 A CN201710574353 A CN 201710574353A CN 107167933 A CN107167933 A CN 107167933A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0136—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of display, glasses device, control method, mobile terminal and display system, and the display includes：Display panel, the display panel is used to show image to be displayed；Polarization conversion module, the polarization conversion module is arranged at the light emission side of the display panel, the polarization conversion module is used for the first alternating current drive signal for receiving predeterminated frequency, so that the light sent from the light emission side of the display panel is by being formed as polarization light after the polarization conversion module, and the polarization direction of the polarization light is switched with the predeterminated frequency between the first polarization direction and the second polarization direction；First communication unit, for the information of first alternating current drive signal to be sent to glasses device；The display system both without reducing the dispersion angle of display light, had reached anti-peeping purpose again.
Description
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of display, glasses device, control method, shifting
Dynamic terminal and display system.
Background technology
When people use mobile phone in public, such a case is frequently encountered：The mobile phone screen milli of oneself
It is uncensored under the visual field of surrounding stranger, the wechat message of mobile phone, short message, even Alipay password, silver
Row clip pin may all be seen by the people of surrounding.Personal privacy and information security cannot be ensured well.Therefore, how
It can prevent others from peeping the mobile phone of oneself into a very big problem in public.Current technology is on screen cover plate
Gone to control certain angle of divergence with various diaphragms or shutter, the model in certain space angle centered on mobile phone surface
Mobile phone screen can just be seen clearly by enclosing.
But when going to control the diverging of screen light using cover plate, user oneself also must can just see hand clearly in the range of this
Machine, have impact on Consumer's Experience；And cover plate have impact on the light transmittance of screen, the display effect that directly results in mobile phone is not good.
The content of the invention
The embodiment of the present invention provides a kind of display, glasses device, control method, mobile terminal and display system, to solve
Certainly go to control the problem of cover plate influences the light transmittance of screen during the angle of divergence of screen light using cover plate in the prior art.
On the one hand, the embodiment of the present invention provides a kind of display, including：
Display panel, the display panel is used to show image to be displayed；
Polarization conversion module, the polarization conversion module is arranged at the light emission side of the display panel, the polarization conversion
Module is used for the first alternating current drive signal for receiving predeterminated frequency so that the light sent from the light emission side of the display panel leads to
Cross and be formed as polarization light after the polarization conversion module, and the polarization direction of the polarization light with the predeterminated frequency
Switch between one polarization direction and the second polarization direction；
First communication unit, for the information of first alternating current drive signal to be sent to glasses device.
On the other hand, the embodiment of the present invention also provides a kind of control method as described above for peeping display, the control
Method includes：
Determine the image to be displayed of the display panel of the display；
When the display panel shows the image to be displayed, the first alternating current drive signal output of control predeterminated frequency
To the polarization conversion module of the display；
Wherein, the light that the first alternating current drive signal control is sent from the light emission side of the display panel passes through described
Be formed as polarization light after polarization conversion module, the polarization direction of the polarization light with predeterminated frequency in the first polarization direction and
Switch between second polarization direction.
On the other hand, the embodiment of the present invention also provides a kind of glasses device, including：
Second communication unit, the information for receiving the first alternating current drive signal that a display is sent, and determine described
The predeterminated frequency of first alternating current drive signal；
3rd liquid crystal layer, the 5th electrode layer and the 6th electrode layer for being located at the 3rd liquid crystal layer opposite sides respectively；
Wherein, when applying three alternating current drive signal of predeterminated frequency between the 5th electrode layer and the 6th electrode layer,
Liquid crystal molecule in 3rd liquid crystal layer is switched between the first state and a second state with the predeterminated frequency；In the first shape
During state, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；In the second state, the 3rd liquid crystal layer
Polarization light for the second polarization direction is passed through.
On the other hand, the embodiment of the present invention also provides a kind of control method of glasses device as described above, the control
Method includes：
When the glasses device receives the information of the first alternating current drive signal of display transmission, the default frequency of control
3rd alternating current drive signal of rate is exported to the 3rd liquid crystal layer of the glasses device；
Control the liquid crystal molecule in the 3rd liquid crystal layer with the predeterminated frequency between the first state and a second state
Switching；
Wherein, in first state, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；Second
During state, the polarization light that the 3rd liquid crystal layer is used for the second polarization direction is passed through.
On the other hand, the embodiment of the present invention also provides a kind of mobile terminal, including：Display as described above.
On the other hand, the embodiment of the present invention also provides a kind of display system, including：Mobile terminal as described above, and
Glasses device as described above.
In display, glasses device, control method, mobile terminal and the display system of the embodiment of the present invention, by aobvious
Show that the polarization conversion module of device applies the first alternating current drive signal of predeterminated frequency so that the polarised light of polarization conversion module output
The polarization direction of line is switched with predeterminated frequency between the first polarization direction and the second polarization direction；Accordingly, by corresponding
Glasses device apply predeterminated frequency the 3rd alternating current drive signal cause the glasses device liquid crystal layer liquid crystal molecule with institute
Predeterminated frequency is stated between the first state and a second state to switch；Then glasses device can receive the first polarization in the first state
The polarization light in direction and the polarization light for receiving the second polarization direction in the second condition, so that user passes through the glasses device
It can synchronously see the display content of display, and the variable condition of the liquid crystal molecule of other not bespectacled users and glasses
Inconsistent use can not see the display content of display per family with display；Therefore the display system is both without reducing display light
Dispersion angle, realize again anti-peeping.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 represents the structural representation of display provided in an embodiment of the present invention；
Fig. 2 represents the arrangement schematic diagram of the liquid crystal molecule of no applied voltage；
Fig. 3 represents the arrangement schematic diagram of voltage molecule after application voltage；
Fig. 4 represents the direction schematic diagram of emergent ray and former light in display provided in an embodiment of the present invention；
Fig. 5 represents the step flow chart of the control method of display provided in an embodiment of the present invention；
Fig. 6 represents the schematic diagram of the first polarization direction in display provided in an embodiment of the present invention；
Fig. 7 represents the schematic diagram of the second polarization direction in display provided in an embodiment of the present invention；
Fig. 8 represents the structural representation of the first drive circuit in display provided in an embodiment of the present invention；
Fig. 9 represents the step flow chart of the control method of glasses device provided in an embodiment of the present invention；
Figure 10 represents the structural representation of display system provided in an embodiment of the present invention；
Figure 11 represents the fundamental diagram of display system provided in an embodiment of the present invention；
Figure 12 represents the structural representation of mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of display of the embodiment of the present invention, including：
Display panel 1, the display panel 1 is used to show image to be displayed；
Polarization conversion module 2, the polarization conversion module 2 is arranged at the light emission side of the display panel 1, the optical rotation
Mold changing group 2 is used for the first alternating current drive signal for receiving predeterminated frequency so that the light sent from the light emission side of the display panel 1
Line is by being formed as polarization light after the polarization conversion module 2, and the polarization direction of the polarization light is with the default frequency
Rate switches between the first polarization direction and the second polarization direction；
First communication unit 3, for the information of first alternating current drive signal to be sent to glasses device.
In the above embodiment of the present invention, the information of the first alternating current drive signal at least includes the first alternating current drive signal
Frequency information, can also include voltage swing of the first alternating current drive signal etc., be not especially limited herein.
The display provided in the above embodiment of the present invention utilizes the polarization theory of light, utilizes the first alternating current drive signal
The polarization state of light for going the light emission side for controlling display panel 1 to send, is alternately produced the polarised light of two kinds of polarization directions, user
The polarised light of both polarization directions of reception can be removed using a glasses device, the polarised light of the two kinds of polarization directions received is i.e.
The original image to be displayed of display panel generation can be reduced in human eye, and other people are (without corresponding glasses device
People and glasses device are not the people of the glasses device interacted with the display) to see the display be a fuzzy state, from
And both without reducing the dispersion angle of display light, anti-peeping purpose has been reached again.
Specifically, as shown in figure 1, display also includes described in the above embodiment of the present invention：
First drive circuit 4, the first drive circuit 4 is connected with the polarization conversion module 2, first drive circuit 4
For exporting first alternating current drive signal to the polarization conversion module 2.
It should be noted that during routine use mobile terminal not all moment be required to it is anti-peeping, for example
When evening user oneself checks mobile terminal in room, do not have other people now and peep the situation of mobile terminal, therefore in order to
The convenient switching without application scenarios, display provided in an embodiment of the present invention can also set an anti-peeping switch, the anti-theft
It can be physical switch or virtual switch to peep switch, be not especially limited herein.Needing to open anti-peeping function
During occasion, the anti-peeping switch is closed, then starts the anti-peeping function of display；And the field of anti-peeping function need not opened
Close, disconnect the anti-peeping switch, then close the anti-peeping function of the display, the light that now light emission side of display panel 1 is sent
Line by the polarised light only one of which polarization direction that produces after polarization conversion module 2, using the user of mobile terminal or its
The content that he is shown with that can see clearly per family on display panel, and corresponding glasses device need not be worn, if now user wears
Glasses device, in addition it is also necessary to which the anti-peeping function of glasses device is closed and (can also realized by a switch, do not repeat one by one herein).
Further, the anti-peeping switch can be arranged between the first drive circuit 4 and polarization conversion module 2, i.e.,
When anti-peeping switch closure, the first alternating current drive signal of the first drive circuit 4 output can be exported to the polarization conversion
On module 2；And when anti-peeping switch off, the first drive circuit 4 output the first alternating current drive signal can not export to
On polarization conversion module 2；Or, the anti-peeping switch can also be arranged at the inside of the first drive circuit 4, i.e., anti-peeping ought open
When closing conjunction, the first drive circuit 4 can export the first alternating current drive signal；And when anti-peeping switch off, the first driving
Circuit 4 stops exporting first alternating current drive signal；The specific set location of anti-peeping switch is not especially limited herein, is owned
It can realize that the set location for starting and closing anti-peeping function is applied to the embodiment of the present invention.
Further, in the above embodiment of the present invention, as shown in figure 1, display panel 1 includes：
Default light source；
And the polaroid 11 of the light emission side of the default light source, array base palte 12, first electrode layer, are overlapping in successively
One liquid crystal layer 13, the second electrode lay and colored filter 14；Wherein, the polarization conversion module 2 is arranged at the colored filter
Side of the mating plate 14 away from the polaroid 11.
It is liquid crystal display layer in display panel 1, and changed using the optically-active principle of liquid crystal in the specific embodiment of the present invention
The direction for the light that the light emission side of change display panel 1 is sent.
Specifically, the optically-active principle of liquid crystal is explained as follows：
As shown in Fig. 2 when no applied voltage, the arrangement of liquid crystal molecule is rambling；As shown in figure 3,
Apply on two electrode layers of liquid crystal layer after voltage, liquid crystal molecule can the regular situation that parallel arrangement is presented.It is this parallel
Arrangement can form a printing opacity major axis, and because liquid crystal is anisotropy, the polarization intensity of each point is different with direction, so that point
Son rotates, and the direction each point of printing opacity major axis is different, and finally according to birefringence principle, incident light passes through after this light transmission shaft
Polarization state will be changed, therefore, change voltage swing, it is possible to change the direction of light transmission shaft.
Specifically, being the concrete structure of display provided in an embodiment of the present invention as shown in Figure 1, a default light source is first passed through
The first light of formation of polaroid 11, the first light passes through array base palte 12, first electrode layer, the first liquid crystal layer 13, second electrode
It can change its polarization direction after layer, after colored filter 14, the light and polarization sent from colored filter
Change module 2 printing opacity direction can shape a (as shown in Figure 4) in an angle, then the intensity of emergent ray and original light intensity it
Than for cos2 (a).Therefore, when emergent light and liquid crystal flat-panel direction are overlapped, transmitted light is maximum, emergent light and liquid crystal flat-panel direction
When vertical, transmitted light is 0；Then by being controllable exiting light beam intensity in liquid crystal molecule two ends making alive.
Specifically, in the above embodiment of the present invention, as shown in figure 1, the display also includes：
Second drive circuit 5, the second drive circuit 5 is connected with the first electrode layer and the second electrode lay respectively,
Second drive circuit 5 is used to export the second alternating current drive signal to first liquid crystal layer 13 so that first liquid crystal
The direction of rotation of liquid crystal molecule changes in layer.Specifically, the frequency of the second alternating current drive signal exchanges driving letter with described first
Number frequency it is identical, be above-mentioned predeterminated frequency.Second alternating current drive signal drives the rotation of the liquid crystal molecule in the second liquid crystal layer
Turn direction to change, so that the optical direction of the second liquid crystal layer is inclined in the first polarization direction and second according to predeterminated frequency
Shake switching between direction, and when the optical direction of the second liquid crystal layer is the first polarization direction, it is inclined that polarization conversion module 2 is exported
Shake light polarization direction also be the first polarization direction；When the second liquid crystal layer optical direction be the second polarization direction when, partially
The polarization direction for changing the polarization light that module 2 is exported shake also into the second polarization direction.
Further, in the above embodiment of the present invention, the polarization conversion module 2 includes：
Second liquid crystal layer, the 3rd electrode layer and the 4th electrode layer for being located at the second liquid crystal layer opposite sides respectively；Its
In, first drive circuit 4 is connected with the 3rd electrode layer and the 4th electrode layer respectively.
The polarization conversion module is specially a liquid crystal flat-panel.Liquid crystal flat-panel+exchange driving is utilized in the embodiment of the present invention
Mode has replaced the polarizer of single direction intrinsic in the prior art so that display can produce two kinds of polarization directions
Polarised light.Specifically, adding the first alternating current drive signal at the two ends of liquid crystal flat-panel so that liquid crystal flat-panel can produce two kinds of polarizations
The polarised light in direction, while with the first liquid crystal layer 13 in the second alternating current drive signal control display panel 1 of identical frequency
Optical direction, so, anti-peeping display will alternately send the polarised light of two kinds of polarization directions.(i.e. glasses are set receiving terminal
It is standby) by the communications module with display end (i.e. display) come the polarization direction of synchronous change receiving terminal so that simultaneous display
The image to be displayed that display panel 1 is generated.
In order to preferably realize anti-peeping purpose, the embodiment of the present invention also provides a kind of control of display as described above
Method processed, as shown in figure 5, the control method includes：
Step 501, the image to be displayed of the display panel of the display is determined；
Step 502, when the display panel shows the image to be displayed, the first exchange driving of control predeterminated frequency
Signal output to the display polarization conversion module；
Wherein, the light that the first alternating current drive signal control is sent from the light emission side of the display panel passes through described
Be formed as polarization light after polarization conversion module, the polarization direction of the polarization light with predeterminated frequency in the first polarization direction and
Switch between second polarization direction.
Specifically, in the above embodiment of the present invention, first alternating current drive signal is bipolar square wave signal, and institute
Bipolar signal is stated with predeterminated frequency between positive voltage square wave and negative voltage square wave to switch；
When the bipolar square wave signal is positive voltage square wave, the positive voltage square wave controls the inclined of the polarization light
Direction shake for the first polarization direction；I.e. when the first drive circuit exports positive voltage square wave, the polarization direction of polarization conversion module
For the first polarization direction, then the polarization direction of the polarised light exported from polarization conversion module is the first polarization direction.
When the bipolar square wave signal is negative voltage square wave, the negative voltage square wave controls the inclined of the polarization light
The direction that shakes switches to the second polarization direction；I.e. when the first drive circuit exports negative voltage square wave, the polarization of polarization conversion module
Direction is the second polarization direction, then the polarization direction of the polarised light exported from polarization conversion module is the second polarization direction.
It should be noted that in such cases, the first polarization direction and the second polarization direction are mutually perpendicular direction.Example
Such as, the direction of arrow in Fig. 6 is the first polarization direction, and the direction of arrow in Fig. 7 is then the second polarization direction.
As shown in figure 8, bipolar square wave signal can be obtained by the circuit structure shown in Fig. 8, the first drive circuit bag
Include：Circuit for generating triangular wave, the circuit for generating triangular wave is used to produce a default triangular signal；Sine wave generation circuit,
The sine wave generation circuit is used for the sinusoidal signal for producing a predeterminated frequency；Respectively with the circuit for generating triangular wave and described
The voltage comparator circuit of sine wave generation circuit connection, the voltage comparator circuit is used for the default triangular signal and institute
The sinusoidal signal for stating predeterminated frequency is compared and exports the bipolar square wave signal of predeterminated frequency.
To sum up, in the above embodiment of the present invention, go to control the light emission side of display panel 1 using the first alternating current drive signal
The polarization state of the light sent, is alternately produced the polarised light of two kinds of polarization directions, and user can be gone to receive with a glasses device
The polarised light of both polarization directions, the polarised light of the two kinds of polarization directions received can be reduced to display panel in human eye
Generation original image to be displayed, and other people (people and glasses device without glasses device are interacted with display
Glasses device people) to see the display be a fuzzy state so that both without reducing the dispersion angle of display light,
Anti-peeping purpose has been reached again.
In order to preferably realize anti-peeping purpose, the embodiment of the present invention also provides a kind of glasses device, including：
Second communication unit, the information for receiving the first alternating current drive signal that a display is sent, and determine described
The predeterminated frequency of first alternating current drive signal；
3rd liquid crystal layer, the 5th electrode layer and the 6th electrode layer for being located at the 3rd liquid crystal layer opposite sides respectively；
Wherein, when applying three alternating current drive signal of predeterminated frequency between the 5th electrode layer and the 6th electrode layer,
Liquid crystal molecule in 3rd liquid crystal layer is switched between the first state and a second state with the predeterminated frequency；In the first shape
During state, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；In the second state, the 3rd liquid crystal layer
Polarization light for the second polarization direction is passed through.
The glasses device that the above embodiment of the present invention is provided can be directly embedded above-mentioned on the eyeglass of common spectacles
The 3rd liquid crystal layer and increase by the second communication unit on the picture frame of common spectacles, with it is easy to carry, change cost it is low
The advantages of.
Specifically, in the above embodiment of the present invention, the glasses device also includes：
3rd drive circuit, the 3rd drive circuit connects with the 5th electrode layer and the 6th electrode layer respectively
Connect, the 3rd drive circuit is used to exchange driving letter with the 6th electrode layer output the described 3rd to the 5th electrode layer
Number, change the direction of rotation of liquid crystal molecule in the 3rd liquid crystal layer.
Specifically, interacting between the second communication unit and the first communication unit can be bluetooth, near-field communication NFC etc.
Near field communication.Second communication unit is got after the predeterminated frequency of the first alternating current drive signal, and the 3rd drive circuit is then
The 3rd alternating current drive signal of a predeterminated frequency is produced, and the 3rd alternating current drive signal of predeterminated frequency is exported to the 3rd liquid crystal
Layer, the 3rd alternating current drive signal controls the direction of rotation of the liquid crystal molecule in the 3rd liquid crystal layer to change, so that the 3rd
Liquid crystal molecule in liquid crystal layer is switched between the first state and a second state with the predeterminated frequency, described in first state
The polarization light that 3rd liquid crystal layer is used for the first polarization direction is passed through, and it is inclined that the 3rd liquid crystal layer described in the second state is used for second
Shake direction polarization light pass through；After then user takes glasses device, the glasses device can receive the first polarization direction and
The polarised light of second polarization direction, then can go back original image in human eye, and other people (people and glasses without glasses device
Equipment is not the people of the glasses device interacted with the display) to see the display be a fuzzy state, so that both without subtracting
The dispersion angle of small displays light, has reached anti-peeping purpose again.
In order to preferably realize anti-peeping purpose, the embodiment of the present invention also provides a kind of glasses device as described above
Control method, as shown in figure 9, the control method includes：
Step 901, when the glasses device receives the information of the first alternating current drive signal of display transmission, control
3rd alternating current drive signal of predeterminated frequency processed is exported to the 3rd liquid crystal layer of the glasses device；
Step 902, control the liquid crystal molecule in the 3rd liquid crystal layer with the predeterminated frequency in first state and second
Switch between state；
Wherein, in first state, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；Second
During state, the polarization light that the 3rd liquid crystal layer is used for the second polarization direction is passed through.
To sum up, after the second communication unit gets the predeterminated frequency of the first alternating current drive signal, the 3rd drive circuit
The 3rd alternating current drive signal of a predeterminated frequency is then produced, and the 3rd alternating current drive signal of predeterminated frequency is exported to the 3rd liquid
Crystal layer, the 3rd alternating current drive signal controls the direction of rotation of the liquid crystal molecule in the 3rd liquid crystal layer to change, so that the
Liquid crystal molecule in three liquid crystal layers is switched between the first state and a second state with the predeterminated frequency, in first state when institute
Stating the 3rd liquid crystal layer is used for the polarization light transmission of the first polarization direction, and the 3rd liquid crystal layer described in the second state is used for second
The polarization light of polarization direction is passed through；After then user takes glasses device, the glasses device can receive the first polarization direction
With the polarised light of the second polarization direction, then original image can be gone back in human eye, and other people (people and eye without glasses device
Mirror device is not the people of the glasses device interacted with the display) to see the display be a fuzzy state so that both without
Reduce the dispersion angle of display light, anti-peeping purpose has been reached again.
In order to preferably realize above-mentioned anti-peeping purpose, the embodiment of the present invention also provides a kind of mobile terminal, including：As above
Described display.
Specifically, mobile terminal also includes described in the above embodiment of the present invention：
Image determining module, the image to be displayed of the display panel for determining the display；
Signal output module, for when the display panel shows the image to be displayed, the of control predeterminated frequency
One alternating current drive signal is exported to the polarization conversion module of the display；
Wherein, the light that the first alternating current drive signal control is sent from the light emission side of the display panel passes through described
Be formed as polarization light after polarization conversion module, the polarization direction of the polarization light with predeterminated frequency in the first polarization direction and
Switch between second polarization direction.
Preferably, first alternating current drive signal is bipolar square wave signal, and the bipolar signal is with default frequency
Rate switches between positive voltage square wave and negative voltage square wave；
When the bipolar square wave signal is positive voltage square wave, the positive voltage square wave controls the inclined of the polarization light
Direction shake for the first polarization direction；
When the bipolar square wave signal is negative voltage square wave, the negative voltage square wave controls the inclined of the polarization light
The direction that shakes switches to the second polarization direction.
It should be noted that mobile terminal provided in an embodiment of the present invention is the mobile terminal for including aforementioned display device, then
All embodiments of aforementioned display device are applied to the mobile terminal, and can reach identical beneficial effect.
In order to preferably realize above-mentioned anti-peeping purpose, the embodiment of the present invention also provides a kind of display system, such as Figure 10 institutes
Show, including：Mobile terminal 60 as described above, and glasses device 70 as described above.
It is the fundamental diagram of display system provided in an embodiment of the present invention, mobile terminal side driving polarization as shown in figure 11
While changing module, the information such as the frequency of driving voltage are issued into glasses device end by communication unit and received, glasses device
After end is received, gone to drive the liquid crystal flat-panel at glasses device end with the voltage of same frequency, so that liquid crystal flat-panel is with frequency
Rate changes polarization direction, it is possible to synchronous to see display content.So, both reached again without reducing the dispersion angle of screen light
Anti-peeping mesh.
It should be noted that display system provided in an embodiment of the present invention is set comprising above-mentioned mobile terminal and above-mentioned glasses
Standby display system, then all embodiments of above-mentioned mobile terminal and all embodiments of above-mentioned glasses device are applied to be somebody's turn to do
Display system, and can reach identical beneficial effect.
The embodiment of the present invention also provides a kind of mobile terminal, as shown in figure 12.Specifically, the mobile terminal in Figure 12 can be with
For mobile phone, tablet personal computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle-mounted computer etc..
Mobile terminal in Figure 12 includes display as described above, and the display includes：Display panel, the display surface
Plate is used to show image to be displayed；
Polarization conversion module, the polarization conversion module is arranged at the light emission side of the display panel, the polarization conversion
Module is used for the first alternating current drive signal for receiving predeterminated frequency so that the light sent from the light emission side of the display panel leads to
Cross and be formed as polarization light after the polarization conversion module, and the polarization direction of the polarization light with the predeterminated frequency
Switch between one polarization direction and the second polarization direction；
First communication unit, for the information of first alternating current drive signal to be sent to glasses device.
First drive circuit, first drive circuit is connected with the polarization conversion module, first drive circuit
For exporting first alternating current drive signal to the polarization conversion module.
Default light source；And the polaroid, array base palte, first electrode of the light emission side of the default light source are overlapping in successively
Layer, the first liquid crystal layer, the second electrode lay and colored filter；Wherein, the polarization conversion module is arranged at the colored filter
Side of the mating plate away from the polaroid.
Second drive circuit, second drive circuit connects with the first electrode layer and the second electrode lay respectively
Connect, second drive circuit is used to export the second alternating current drive signal to first liquid crystal layer so that first liquid crystal
The direction of rotation of liquid crystal molecule changes in layer.
Second liquid crystal layer, the 3rd electrode layer and the 4th electrode layer for being located at the second liquid crystal layer opposite sides respectively；Its
In, first drive circuit is connected with the 3rd electrode layer and the 4th electrode layer respectively.
Further, the mobile terminal in Figure 12 also includes radio frequency (Radio Frequency, RF) circuit 1210, storage
Device 1220, input block 1230, display unit 1240, processor 1260, voicefrequency circuit 1270, WiFi (Wireless
Fidelity) module 1280 and power supply 1290.
Wherein, input block 1230 can be used for the numeral or character information of reception user's input, and produce and mobile whole
The signal input that the user at end is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 1230 can
With including contact panel 1231.Contact panel 1231, also referred to as touch-screen, collect touch operation of the user on or near it
(such as user uses the operations of any suitable object or annex on contact panel 1231 such as finger, stylus), and according to pre-
The formula first set drives corresponding attachment means.Optionally, contact panel 1231 may include touch detecting apparatus and touch to control
Two parts of device processed.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation is brought, will
Signal sends touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact
Coordinate, then give the processor 1260, and the order sent of reception processing device 1260 and can be performed.Furthermore, it is possible to using
The polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave realize contact panel 1231.Except contact panel 1231,
Input block 1230 can also include other input equipments 1232, and other input equipments 1232 can include but is not limited to secondary or physical bond
One or more in disk, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 1240 can be used for information and the movement for showing the information inputted by user or being supplied to user
The various menu interfaces of terminal.Display unit 1240 may include display panel 1241, optionally, can use LCD or organic hairs
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 1241.
It should be noted that contact panel 1231 can cover display panel 1241, touch display screen is formed, when the touch display screen
Detect after the touch operation on or near it, processor 1260 is sent to determine the type of touch event, with post processing
Device 1260 provides corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 1260 is the control centre of mobile terminal, utilizes each of various interfaces and connection whole mobile phone
Individual part, by operation or performs and is stored in software program and/or module in first memory 1221, and calls and be stored in
Data in second memory 1222, perform the various functions and processing data of mobile terminal 1 200, so as to enter to mobile terminal
Row integral monitoring.Optionally, processor 1260 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 1221 in software program and/or module and/
Or the data in the second memory 1222, the figure to be shown of display panel of the processor 1260 for determining the display
Picture；When the display panel shows the image to be displayed, the first alternating current drive signal of control predeterminated frequency is exported to institute
State the polarization conversion module of display；Wherein, the first alternating current drive signal control is sent out from the light emission side of the display panel
The light gone out after the polarization conversion module by being formed as polarization light, and the polarization direction of the polarization light is with predeterminated frequency
Switch between the first polarization direction and the second polarization direction.
Alternatively, in another embodiment of the present invention, first alternating current drive signal is bipolar square wave signal, and institute
State bipolar signal with predeterminated frequency between positive voltage square wave and negative voltage square wave to switch, processor 1260 is additionally operable to：Work as institute
When stating bipolar square wave signal for positive voltage square wave, the positive voltage square wave controls the polarization direction of the polarization light to be first
Polarization direction；When the bipolar square wave signal is negative voltage square wave, the negative voltage square wave controls the polarization light
Polarization direction switches to the second polarization direction.
In the mobile terminal of the embodiment of the present invention, apply default by the polarization conversion module of the display to mobile terminal
First alternating current drive signal of frequency causes the polarization direction of the polarization light that polarization conversion module exports with predeterminated frequency the
Switch between one polarization direction and the second polarization direction；Accordingly, by applying the of predeterminated frequency to corresponding glasses device
Three alternating current drive signals cause the liquid crystal molecule of the liquid crystal layer of the glasses device with the predeterminated frequency in first state and second
Switch between state；Then glasses device can receive the polarization light of the first polarization direction in the first state and in the second state
The lower polarization light for receiving the second polarization direction, so that user synchronously can be seen in the display of display by the glasses device
Hold, and the variable condition of the liquid crystal molecule of other not bespectacled users and glasses per family can not with the inconsistent use of display
See the display content of display；Therefore the display system is realized anti-peeping both without reducing the dispersion angle of display light again.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (14)
1. a kind of display, it is characterised in that including：
Display panel, the display panel is used to show image to be displayed；
Polarization conversion module, the polarization conversion module is arranged at the light emission side of the display panel, the polarization conversion module
The first alternating current drive signal for receiving predeterminated frequency so that the light sent from the light emission side of the display panel passes through institute
State and be formed as polarization light after polarization conversion module, and the polarization direction of the polarization light is inclined first with the predeterminated frequency
Shake and switch between direction and the second polarization direction；
First communication unit, for the information of first alternating current drive signal to be sent to glasses device.
2. display according to claim 1, it is characterised in that the display also includes：
First drive circuit, first drive circuit is connected with the polarization conversion module, and first drive circuit is used for
First alternating current drive signal is exported to the polarization conversion module.
3. according to claim 1 show device, it is characterised in that the display panel includes：
Default light source；
And polaroid, array base palte, first electrode layer, the first liquid crystal of the light emission side of the default light source are overlapping in successively
Layer, the second electrode lay and colored filter；
Wherein, the polarization conversion module is arranged at side of the colored filter away from the polaroid.
4. display according to claim 3, it is characterised in that the display also includes：
Second drive circuit, second drive circuit is connected with the first electrode layer and the second electrode lay respectively, institute
Stating the second drive circuit is used to export the second alternating current drive signal to first liquid crystal layer so that liquid in first liquid crystal layer
The direction of rotation of brilliant molecule changes.
5. display according to claim 2, it is characterised in that the polarization conversion module includes：
Second liquid crystal layer, the 3rd electrode layer and the 4th electrode layer for being located at the second liquid crystal layer opposite sides respectively；
Wherein, first drive circuit is connected with the 3rd electrode layer and the 4th electrode layer respectively.
6. a kind of control method of display as any one of claim 1 to 5, it is characterised in that the controlling party
Method includes：
Determine the image to be displayed of the display panel of the display；
When the display panel shows the image to be displayed, the first alternating current drive signal of control predeterminated frequency is exported to institute
State the polarization conversion module of display；
Wherein, the light that the first alternating current drive signal control is sent from the light emission side of the display panel passes through the polarization
Be formed as polarization light after conversion module, the polarization direction of the polarization light is with predeterminated frequency in the first polarization direction and second
Switch between polarization direction.
7. control method according to claim 6, it is characterised in that first alternating current drive signal is bipolar square wave
Signal, and the bipolar signal switches with predeterminated frequency between positive voltage square wave and negative voltage square wave；
When the bipolar square wave signal is positive voltage square wave, the positive voltage square wave controls the polarization side of the polarization light
To for the first polarization direction；
When the bipolar square wave signal is negative voltage square wave, the negative voltage square wave controls the polarization side of the polarization light
To switching to the second polarization direction.
8. a kind of glasses device, it is characterised in that including：
Second communication unit, for receiving the information for the first alternating current drive signal that a display is sent, and determines described first
The predeterminated frequency of alternating current drive signal；
3rd liquid crystal layer, the 5th electrode layer and the 6th electrode layer for being located at the 3rd liquid crystal layer opposite sides respectively；
Wherein, it is described when applying three alternating current drive signal of predeterminated frequency between the 5th electrode layer and the 6th electrode layer
Liquid crystal molecule in 3rd liquid crystal layer is switched between the first state and a second state with the predeterminated frequency；In first state
When, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；In the second state, the 3rd liquid crystal layer is used
Polarization light in the second polarization direction is passed through.
9. glasses device according to claim 8, it is characterised in that the glasses device also includes：
3rd drive circuit, the 3rd drive circuit is connected with the 5th electrode layer and the 6th electrode layer respectively, institute
Stating the 3rd drive circuit is used to export the 3rd alternating current drive signal to the 5th electrode layer and the 6th electrode layer, makes
The direction of rotation of liquid crystal molecule changes in 3rd liquid crystal layer.
10. a kind of control method of glasses device as claimed in claim 8 or 9, it is characterised in that the control method bag
Include：
When the glasses device receives the information of the first alternating current drive signal of display transmission, control predeterminated frequency
3rd alternating current drive signal is exported to the 3rd liquid crystal layer of the glasses device；
The liquid crystal molecule in the 3rd liquid crystal layer is controlled to switch between the first state and a second state with the predeterminated frequency；
Wherein, in first state, the polarization light that the 3rd liquid crystal layer is used for the first polarization direction is passed through；In the second state
When, the polarization light that the 3rd liquid crystal layer is used for the second polarization direction is passed through.
11. a kind of mobile terminal, it is characterised in that including：Display as described in any one of claim 1 to 5.
12. mobile terminal according to claim 11, it is characterised in that the mobile terminal also includes：
Image determining module, the image to be displayed of the display panel for determining the display；
Signal output module, for when the display panel shows the image to be displayed, the first of control predeterminated frequency to hand over
Stream drive signal is exported to the polarization conversion module of the display；
Wherein, the light that the first alternating current drive signal control is sent from the light emission side of the display panel passes through the polarization
Be formed as polarization light after conversion module, the polarization direction of the polarization light is with predeterminated frequency in the first polarization direction and second
Switch between polarization direction.
13. mobile terminal according to claim 12, it is characterised in that first alternating current drive signal is bipolarity side
Ripple signal, and the bipolar signal switches with predeterminated frequency between positive voltage square wave and negative voltage square wave；
When the bipolar square wave signal is positive voltage square wave, the positive voltage square wave controls the polarization side of the polarization light
To for the first polarization direction；
When the bipolar square wave signal is negative voltage square wave, the negative voltage square wave controls the polarization side of the polarization light
To switching to the second polarization direction.
14. a kind of display system, it is characterised in that including：Mobile terminal as described in any one of claim 11 to 13, and
Glasses device as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574353.6A CN107167933B (en) | 2017-07-14 | 2017-07-14 | Display, glasses equipment, control method, mobile terminal and display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574353.6A CN107167933B (en) | 2017-07-14 | 2017-07-14 | Display, glasses equipment, control method, mobile terminal and display system |
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| CN107167933B CN107167933B (en) | 2019-12-31 |
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| CN107167933B (en) | 2019-12-31 |
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