CN103941431A - Adjustable polarization device, method and display device of adjustable polarization device - Google Patents
Adjustable polarization device, method and display device of adjustable polarization device Download PDFInfo
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- CN103941431A CN103941431A CN201410116345.3A CN201410116345A CN103941431A CN 103941431 A CN103941431 A CN 103941431A CN 201410116345 A CN201410116345 A CN 201410116345A CN 103941431 A CN103941431 A CN 103941431A
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Abstract
The embodiment of the invention provides an adjustable polarization device, a method and a display device of the adjustable polarization device, and relates to the technical field of display. By means of the special design of the polarization device, different voltage signals can be input into the polarization device, and the display device can be switched between a common mode and an anti-peeping mode. The adjustable polarization device comprises a first conductive layer, a first polarization layer arranged on the first conductive layer, a second polarization layer arranged on the first polarization layer and a second conductive layer arranged on the second polarization layer, wherein the first conductive layer and the second conductive layer are respectively connected with a power supply, and the first polarization layer is made of electro-optic crystals.
Description
Technical field
The present invention relates to display technique field, relate in particular to adjustable offset vibrating device and method thereof, display device.
Background technology
Along with the continuous progress of display technique, user has also had further demand to the function of display device, can prevent that other people from seeing that the anti-peeping display technique of demonstration information causes people's concern.Anti-peeping display device just can be seen demonstration image for the people with anti-peeping glasses, and the people with anti-peeping glasses can not see demonstration image, thereby has reached the object of protection personal information and business information.
Existing display device can only have single anti-peeping demonstration or common display (non-anti-peeping demonstration), but under different application scenarioss, can between two kinds of patterns, switch, but prior art does not have fine solution.
Summary of the invention
Embodiments of the invention provide adjustable offset vibrating device and method thereof, display device, by the particular design to polarising means, and this polarising means are inputted to different voltage signals, can realize the switching between display device general mode and anti-peeping pattern.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provides a kind of adjustable offset vibrating device, comprise: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal.
The incidence surface of described the first polarization layer is parallel with the exiting surface of described the second polarization layer, the exiting surface of described the first polarization layer is parallel with the incidence surface of described the second polarization layer, between the exiting surface of the incidence surface of described the first polarization layer and described the first polarization layer, become preset angle, between the exiting surface of the incidence surface of described the second polarization layer and described the second polarization layer, become described preset angle, described preset angle is greater than 0 degree and is less than 90 degree.
The exiting surface of described the first polarization layer is parallel with the incidence surface of described the second polarization layer, and the exiting surface of the incidence surface of described the first polarization layer and described the first conductive layer is engaged zigzag.
The incidence surface of described the first polarization layer is parallel with the exiting surface of described the second polarization layer, and the incidence surface of described the second polarization layer is zigzag.
Described the first conductive layer is connected with the negative pole of described power supply, and described the second conductive layer is connected with the positive pole of described power supply;
Or,
Described the first conductive layer is connected with the positive pole of described power supply, and described the second conductive layer is connected with the negative pole of described power supply.
The material of the second polarization layer is crystal, or macromolecular material.
The material of described the first conductive layer, described the second conductive layer is tin indium oxide ITO electro-conductive glass, fluorine doped tin oxide FTO electro-conductive glass or Graphene.
The embodiment of the present invention provides a kind of adjustable offset method of slight, described method is applied to the adjustable offset vibrating device described in as above any one, described adjustable offset vibrating device comprises: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal;
Described method comprises:
In the time that described adjustable offset vibrating device is operated in unpolarized state, described power supply is making alive signal not;
In the time that described adjustable offset vibrating device is operated in polarization state, described power supply adds half-wave voltage signal;
Wherein, described unpolarized state be light by described adjustable offset vibrating device for all seeing through, described polarization state is to be the light transmission of default polarization state by the light of described adjustable offset vibrating device.
The embodiment of the present invention provides a kind of display device, comprise the first polaroid, be arranged at the array base palte on described the first polaroid, be arranged at the color membrane substrates on described array base palte, be arranged at the second polaroid on described color membrane substrates, and being filled in the liquid crystal between described array base palte and color membrane substrates, described the second polaroid comprises at least one as above adjustable offset vibrating device described in any one.
Described the first polaroid comprises at least one as above adjustable offset vibrating device described in any one.
The adjustable offset vibrating device that the embodiment of the present invention provides and method thereof, display device, this adjustable offset vibrating device comprises the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal.The adjustable offset vibrating device providing based on the embodiment of the present invention and method thereof, display device, by the particular design to polarising means, and input different voltage signals to this polarising means, can realize the switching between display device general mode and anti-peeping pattern.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the adjustable offset vibrating device that Fig. 1 provides for the embodiment of the present invention;
The structural representation one of the adjustable offset vibrating device that Fig. 2 provides for the embodiment of the present invention;
The adjustable offset vibrating device that Fig. 3 provides for the embodiment of the present invention is the light transmission schematic diagram one when making alive not;
Light transmission schematic diagram one when the adjustable offset vibrating device that Fig. 4 provides for the embodiment of the present invention adds half-wave voltage;
The structural representation two of the adjustable offset vibrating device that Fig. 5 provides for the embodiment of the present invention;
The adjustable offset vibrating device that Fig. 6 provides for the embodiment of the present invention is the light transmission schematic diagram two when making alive not;
Light transmission schematic diagram two when the adjustable offset vibrating device that Fig. 7 provides for the embodiment of the present invention adds half-wave voltage;
The structural representation three of the adjustable offset vibrating device that Fig. 8 provides for the embodiment of the present invention;
The adjustable offset vibrating device that Fig. 9 provides for the embodiment of the present invention is the light transmission schematic diagram three when making alive not;
Light transmission schematic diagram three when the adjustable offset vibrating device that Figure 10 provides for the embodiment of the present invention adds half-wave voltage;
The structural representation of the multilayer adjustable offset vibrating device that Figure 11 provides for the embodiment of the present invention;
The multilayer adjustable offset vibrating device that Figure 12 provides for the embodiment of the present invention is light transmission schematic diagram when making alive not;
Light transmission schematic diagram when the multilayer adjustable offset vibrating device that Figure 13 provides for the embodiment of the present invention adds half-wave voltage;
The adjustable offset method of slight schematic flow sheet that Figure 14 provides for the embodiment of the present invention;
The display device structure schematic diagram that Figure 15 provides for the embodiment of the present invention.
In figure, each element is: 10, the first conductive layer; 11, the first polarization layer; 12, the second polarization layer; 13, the second conductive layer; 100, the exiting surface of the first conductive layer; 110, the incidence surface of the first polarization layer; 111, the exiting surface of the first polarization layer; 120, the incidence surface of the second polarization layer; 121, the exiting surface of the second polarization layer; 20, the first polaroid; 21, array base palte; 22, liquid crystal; 23, color membrane substrates; 24 second polaroids.
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 clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of adjustable offset vibrating device, comprise: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal.
It should be noted that, the first conductive layer, the second conductive layer are connected and refer to power supply respectively, and described the first conductive layer can be connected with the negative pole of described power supply, and described the second conductive layer can be connected with the positive pole of described power supply; Also can be that described the first conductive layer is connected with the positive pole of described power supply, described the second conductive layer be connected with the negative pole of described power supply.
Further, the incidence surface of described the first polarization layer is parallel with the exiting surface of described the second polarization layer, the exiting surface of described the first polarization layer is parallel with the incidence surface of described the second polarization layer, between the exiting surface of the incidence surface of described the first polarization layer and described the first polarization layer, become preset angle, between the exiting surface of the incidence surface of described the second polarization layer and described the second polarization layer, become described preset angle, described preset angle is greater than 0 degree and is less than 90 degree.
Be connected with the negative pole of power supply with the first conductive layer below, the positive pole of described the second conductive layer and power supply is connected to example and describes the adjustable offset vibrating device that the embodiment of the present invention provides.
The embodiment of the present invention provides a kind of adjustable offset vibrating device, as shown in Figure 1, comprise: the first conductive layer 10, be arranged at the first polarization layer 11 on described the first conductive layer 10, be arranged at the second polarization layer 12 on described the first polarization layer 11, and be arranged at the second conductive layer 13 on described the second polarization layer 12; Described the first conductive layer 10 is connected with the negative pole of power supply, and described the second conductive layer 13 is connected with the positive pole of power supply.
Concrete, the material of described the first polarization layer is electro-optic crystal, electro-optic crystal is the crystalline material with electrooptical effect.Under External Electrical Field, the phenomenon that the refractive index of crystal changes is called electrooptical effect.Wherein, described photoelectric crystal can be potassium dihydrogen phosphate KDP (KH
2pO
4), can be also ammonium dihydrogen phosphate (ADP) ADP (NH
4h
2pO
4), potassium dihydrogen arsenate KDA (KH
2asO
4) or potassium dideuterium phosphate KD*P (KD
2pO
4) in any, the embodiment of the present invention is not specifically limited this.The material of the second polarization layer can be common crystal, can be also electro-optic crystal or macromolecular material, and the embodiment of the present invention is also not specifically limited this.
It should be noted that, the material of the first conductive layer, described the second conductive layer can be ITO electro-conductive glass, can be also FTO electro-conductive glass, can also be other the material such as Graphene, and the present embodiment does not limit this.
Wherein, ITO(Indium tin oxide, tin indium oxide) electro-conductive glass is on the basis of sodium calcium base or silicon boryl substrate glass, utilizes the several different methods such as sputter, evaporation to plate indium oxide layer tin film and manufactures.FTO(fluorine-doped tin oxide writes a Chinese character in simplified form, fluorine doped tin oxide).FTO glass can be used as the replacement articles for use of ITO electro-conductive glass, is widely used in LCDs.
Further, as shown in Figure 2, described the first polarization layer 11 comprises the incidence surface 110 of the first polarization layer and the exiting surface 111 of the first polarization layer, and described the second polarization layer 12 comprises the incidence surface 120 of the second polarization layer and the exiting surface 121 of the second polarization layer.
Wherein, as shown in Figure 2, the incidence surface 110 of described the first polarization layer is parallel with the exiting surface 121 of described the second polarization layer, the exiting surface 111 of described the first polarization layer is parallel with the incidence surface 120 of described the second polarization layer, between the incidence surface 110 of described the first polarization layer and the exiting surface 111 of described the first polarization layer, become preset angle θ, between the incidence surface 120 of described the second polarization layer and the exiting surface 121 of described the second polarization layer, become described preset angle θ, described preset angle θ is greater than 0 degree and is less than 90 degree.Wherein, described preset angle is light is incided the second polarization layer angle of total reflection by the first polarization layer.
As shown in Figure 3, Figure 4, provide the duty in the time of different voltage of adjustable offset vibrating device, in figure, black unidirectional arrow represents light, light is from the first conductive layer, through the first polarization layer, the second polarization layer, spread out of from the second conductive layer, the stain in black unidirectional arrow represents that the polarization state of light is perpendicular to paper, and the four-headed arrow in black unidirectional arrow represents that the polarization state of light is parallel to paper.
Fig. 3 is the not transmission situation of light when making alive of power supply, in the time of making alive not, the refractive index of electro-optic crystal does not change, whole light can see through, the light of two kinds of polarization states can see through, and represents the direction of propagation of light in Fig. 3 with unidirectional arrow line, now for observer, can't see the image of screen display, only just can see demonstration image with the people of specific anti-peeping glasses.
It should be noted that, these specific anti-peeping glasses can be anti-peeping glasses in prior art, can be also the glasses that adopt the polarising means providing in the embodiment of the present invention to be made into, and the present embodiment does not limit this.
Fig. 4 is the transmission situation of power supply light while adding half-wave voltage, wherein, in the time that light wave is propagated in electro-optic crystal, when the optical path difference of two vertical polarization state components of light wave is half wavelength, (corresponding phase differential is 180 degree) required voltage adding, is called half-wave voltage.In the time that power supply adds half-wave voltage, electro-optic crystal can produce birefringent phenomenon, Ray Of Light is divided into the refract light of two bunch polarizations in electro-optic crystal, ordinary light (o light) and extraordinary ray (e light), and the refractive index of two vertical polarization component light of this light in electro-optic crystal is different; And the refractive index of the polarized component that in two vertical polarization components of the refractive index of the second polarization layer and the first polarization layer electro-optic crystal, refractive index is less is identical, the refractive index of another vertical polarization component is larger, the light of this vertical polarization component will reflect at the interface of the first polarization layer and the second polarization layer, in Fig. 4, use and represent with the dotted line of arrow, the light that refractive index is larger can not be seen through, thereby play the effect of polaroid.Now, for observer, screen, in normal display state, needn't also can be seen display frame with special anti-peeping glasses.Therefore can, by this adjustable offset vibrating device is applied to different voltage, realize the adjustable function of polarising means polarization state.Can realize the switching of anti-peeping pattern and common display pattern for the display device that uses this polarising means.
It should be noted that, the electrooptical effect that the embodiment of the present invention adopts is longitudinal electro-optic modulator, and institute's making alive direction is parallel with the direction of propagation of light.Crystal is in the time of making alive not, and light is propagated along optical axis, there is no birefringent phenomenon; And when making alive, in crystal, the phase differential of polarization light is only relevant with impressed voltage, irrelevant with the physical dimension of crystal used.
Optionally, the embodiment of the present invention also provides a kind of adjustable offset vibrating device, as shown in Figure 5, this adjustable offset vibrating device comprises: the first conductive layer 10, be arranged at the first polarization layer 11 on described the first conductive layer 10, be arranged at the second polarization layer 12 on described the first polarization layer 11, and be arranged at the second conductive layer 13 on described the second polarization layer 12; Described the first conductive layer 10 is connected with the negative pole of power supply, and described the second conductive layer 13 is connected with the positive pole of described power supply.
Further, as shown in Figure 5, the exiting surface 111 of described the first polarization layer is parallel with the incidence surface 120 of described the second polarization layer, and the incidence surface 110 of described the first polarization layer and the exiting surface 100 of described the first conductive layer are engaged zigzag.
As shown in Figure 6, Figure 7, two kinds of duties of adjustable offset vibrating device are provided, in figure, black unidirectional arrow represents light, light is from the first conductive layer, through the first polarization layer, the second polarization layer, spread out of from the second conductive layer, the stain in black unidirectional arrow represents that the polarization state of light is perpendicular to paper, and the four-headed arrow in black unidirectional arrow represents that the polarization state of light is parallel to paper.
Fig. 6 is the not transmission situation of light when making alive of power supply, in the time of making alive not, the refractive index of electro-optic crystal does not change, whole light can see through, and in Fig. 6, with the propagation that represents light with arrow line, light enters the first polarization layer and reflects, making light enter the second polarization layer from the first polarization layer is not vertical incidence, now, for observer, can't see the image of screen display, only just can see demonstration image with the people of specific anti-peeping glasses.
Wherein, these specific anti-peeping glasses can be anti-peeping glasses in prior art, can be also the glasses that adopt the polarising means providing in the embodiment of the present invention to be made into, and the present embodiment does not limit this.
Fig. 7 is the transmission situation of power supply light while adding half-wave voltage, in the time that power supply adds half-wave voltage, electro-optic crystal can produce birefringent phenomenon, Ray Of Light is divided into the refract light of two bunch polarizations in electro-optic crystal, ordinary light (o light) and extraordinary ray (e light), the refractive index of two vertical polarization component light of this light in electro-optic crystal is different; And the refractive index of the polarized component that in two vertical polarization components of the refractive index of the second polarization layer and the first polarization layer electro-optic crystal, refractive index is less is identical, and the refractive index of another vertical polarization component is larger, the light of this vertical polarization component will reflect at the interface of the first polarization layer and the second polarization layer, in Fig. 7, use and represent with the dotted line of arrow, the light that refractive index is larger can not be seen through, thereby play the effect of polaroid.Now, for observer, screen, in normal display state, needn't also can be seen display frame with special anti-peeping glasses.Therefore can, by this adjustable offset vibrating device is applied to different voltage, realize the adjustable function of polarising means polarization state.Can realize the switching of anti-peeping pattern and common display pattern for the display device that uses this polarising means.
Optionally, the embodiment of the present invention also provides a kind of adjustable offset vibrating device, as shown in Figure 8, this adjustable offset vibrating device comprises: the first conductive layer 10, be arranged at the first polarization layer 11 on described the first conductive layer 10, be arranged at the second polarization layer 12 on described the first polarization layer 11, and be arranged at the second conductive layer 13 on described the second polarization layer 12; Described the first conductive layer 10 is connected with the negative pole of power supply, and described the second conductive layer 13 is connected with the positive pole of described power supply.
Further, as shown in Figure 8, the incidence surface 110 of described the first polarization layer is parallel with the exiting surface 121 of described the second polarization layer, and the incidence surface 120 of described the second polarization layer is zigzag.
As shown in Figure 9, Figure 10, two kinds of duties of adjustable offset vibrating device are provided, Fig. 9 is the not transmission situation of light when making alive of power supply, in the time of making alive not, the refractive index of electro-optic crystal does not change, and whole light can see through, in Fig. 9, use the propagation that represents light with arrow line, now, for observer, can't see the image of screen display, only just can see demonstration image with the people of specific anti-peeping glasses.
Wherein, these specific anti-peeping glasses can be anti-peeping glasses in prior art, can be also the glasses that adopt the polarising means providing in the embodiment of the present invention to be made into, and the present embodiment does not limit this.
Figure 10 is the transmission situation of power supply light while adding half-wave voltage, in the time that power supply adds half-wave voltage, electro-optic crystal can produce birefringent phenomenon, Ray Of Light is divided into the refract light of two bunch polarizations in electro-optic crystal, and the refractive index of two vertical polarization component light of this light in electro-optic crystal is different; And the refractive index of the polarized component that in two vertical polarization components of the refractive index of the second polarization layer and the first polarization layer electro-optic crystal, refractive index is less is identical, and the refractive index of another vertical polarization component is larger, the light of this vertical polarization component will reflect at the interface of the first polarization layer and the second polarization layer, in Figure 10, use and represent with the dotted line of arrow, the light that refractive index is larger can not be seen through, thereby play the effect of polaroid.Now, for observer, screen, in normal display state, needn't also can be seen display frame with special anti-peeping glasses.Therefore can, by this adjustable offset vibrating device is applied to different voltage, realize the adjustable function of polarising means polarization state.Can realize the switching of anti-peeping pattern and common display pattern for the display device that uses this polarising means.
It should be noted that, the adjustable offset vibrating device that the embodiment of the present invention provides can be above-mentioned any one structure as shown in Figure 1, as shown in Figure 5 or as shown in Figure 8, also can be the multiple-layer stacked of above-mentioned any one adjustable offset vibrating device together, form the adjustable offset vibrating device of sandwich construction, as shown in Figure 11, Figure 12, Figure 13, the adjustable offset vibrating device of this sandwich construction can increase effective light path of light transmission, reduce seeing through of a direction polarization state, thereby made the polarization effect of polarising means better.
The adjustable offset vibrating device that the embodiment of the present invention provides, comprises the first conductive layer, is arranged at the first polarization layer on described the first conductive layer, is arranged at the second polarization layer on described the first polarization layer, and is arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal.The adjustable offset vibrating device providing based on the embodiment of the present invention, by the particular design to adjustable offset vibrating device, and this adjustable offset vibrating device is inputted to different voltage signals, polarising means can optionally be seen through the light that is irradiated to this adjustable offset vibrating device, thereby realized the switching between polarization state and unpolarized state.
The adjustable offset method of slight that the embodiment of the present invention provides, described method is applied to adjustable offset vibrating device as above, described adjustable offset vibrating device comprises: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal; As shown in figure 14, described method comprises:
S101, in the time that described adjustable offset vibrating device is operated in unpolarized state, described power supply is making alive signal not, wherein, described unpolarized state is that light by described adjustable offset vibrating device is for all seeing through.
Concrete, as shown in Figure 3, for the not transmission situation of light when making alive of power supply, in the time of making alive not, the refractive index of electro-optic crystal does not change, whole light can see through, the light of two kinds of polarization states can see through, and represents the direction of propagation of light in Fig. 3 with unidirectional arrow line, now for observer, can't see the image of screen display, only just can see demonstration image with the people of specific anti-peeping glasses.
S102, in the time that described adjustable offset vibrating device is operated in polarization state, described power supply adds half-wave voltage signal, wherein, described polarization state is to be the light transmission of default polarization state by the light of described adjustable offset vibrating device.
Concrete, as shown in Figure 4, the transmission situation of light while adding half-wave voltage for power supply, wherein, in the time that light wave is propagated in electro-optic crystal, when the optical path difference of two vertical polarization state components of light wave is half wavelength, (corresponding phase differential is 180 degree) required voltage adding, is called half-wave voltage.In the time that power supply adds half-wave voltage, electro-optic crystal can produce birefringent phenomenon, Ray Of Light is divided into the refract light of two bunch polarizations in electro-optic crystal, ordinary light (o light) and extraordinary ray (e light), and the refractive index of two vertical polarization component light of this light in electro-optic crystal is different; And the refractive index of the polarized component that in two vertical polarization components of the refractive index of the second polarization layer and the first polarization layer electro-optic crystal, refractive index is less is identical, the refractive index of another vertical polarization component is larger, the light of this vertical polarization component will reflect at the interface of the first polarization layer and the second polarization layer, in Fig. 4, use and represent with the dotted line of arrow, the light that refractive index is larger can not be seen through, thereby play the effect of polaroid.Now, for observer, screen, in normal display state, needn't also can be seen display frame with special anti-peeping glasses.Therefore can, by this adjustable offset vibrating device is applied to different voltage, realize the adjustable function of polarising means polarization state.Can realize the switching of anti-peeping pattern and common display pattern for the display device that uses this polarising means.
The adjustable offset method of slight that the embodiment of the present invention provides, be applied to adjustable offset vibrating device, adjustable offset vibrating device comprises the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal, and described method comprises: in the time that described adjustable offset vibrating device is operated in unpolarized state, described power supply is making alive signal not; In the time that described adjustable offset vibrating device is operated in polarization state, described power supply adds half-wave voltage signal; Wherein, described unpolarized state be light by described adjustable offset vibrating device for all seeing through, described polarization state is to be the light transmission of default polarization state by the light of described adjustable offset vibrating device.The adjustable offset method of slight providing based on the embodiment of the present invention, by the particular design to adjustable offset vibrating device, and this adjustable offset vibrating device is inputted to different voltage signals, polarising means can optionally be seen through the light that is irradiated to this adjustable offset vibrating device, thereby realized the switching between polarization state and unpolarized state.
The embodiment of the present invention provides a kind of display device, as shown in figure 15, comprise the first polaroid 20, be arranged at the array base palte 21 on described the first polaroid 20, be arranged at the color membrane substrates 22 on described array base palte 21, be arranged at the second polaroid 24 on described color membrane substrates 22, and be filled in the liquid crystal 23 between described array base palte 21 and color membrane substrates 22, described the second polaroid 24 comprises at least one adjustable offset vibrating device as above.
Further, described the first polaroid 20 comprises at least one adjustable offset vibrating device as above.
It should be noted that, the second polaroid of described display device can comprise an adjustable offset vibrating device as above, also can comprise multiple adjustable offset vibrating devices as above, adopt multiple adjustable offset vibrating devices can increase effective light path, reduce seeing through of a direction polarization state, make the better effects if of polaroid.Described the first polaroid can adopt adjustable offset vibrating device provided by the invention, can be also to adopt the polaroid of prior art, and the present embodiment does not limit this
The display device that the embodiment of the present invention provides, can be liquid crystal indicator, and this liquid crystal indicator can not limit for product or other the present invention that liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer etc. have a Presentation Function.
The display device providing based on the embodiment of the present invention, by the particular design to polarising means, and inputs different voltage signals to this polarising means, can realize the switching between display device general mode and anti-peeping pattern.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. an adjustable offset vibrating device, is characterized in that, comprising: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, and be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal.
2. adjustable offset vibrating device according to claim 1, it is characterized in that, the incidence surface of described the first polarization layer is parallel with the exiting surface of described the second polarization layer, the exiting surface of described the first polarization layer is parallel with the incidence surface of described the second polarization layer, between the exiting surface of the incidence surface of described the first polarization layer and described the first polarization layer, become preset angle, between the exiting surface of the incidence surface of described the second polarization layer and described the second polarization layer, become described preset angle, described preset angle is greater than 0 degree and is less than 90 degree.
3. adjustable offset vibrating device according to claim 1, it is characterized in that, the exiting surface of described the first polarization layer is parallel with the incidence surface of described the second polarization layer, and the exiting surface of the incidence surface of described the first polarization layer and described the first conductive layer is engaged zigzag.
4. adjustable offset vibrating device according to claim 1, is characterized in that, the incidence surface of described the first polarization layer is parallel with the exiting surface of described the second polarization layer, and the incidence surface of described the second polarization layer is zigzag.
5. according to the adjustable offset vibrating device described in claim 2-3 any one, it is characterized in that, described the first conductive layer is connected with the negative pole of described power supply, and described the second conductive layer is connected with the positive pole of described power supply;
Or,
Described the first conductive layer is connected with the positive pole of described power supply, and described the second conductive layer is connected with the negative pole of described power supply.
6. adjustable offset vibrating device according to claim 5, is characterized in that, the material of described the second polarization layer is crystal, or macromolecular material.
7. adjustable offset vibrating device according to claim 5, is characterized in that, the material of described the first conductive layer, described the second conductive layer is tin indium oxide ITO electro-conductive glass, fluorine doped tin oxide FTO electro-conductive glass or Graphene.
8. an adjustable offset method of slight, it is characterized in that, described method is applied to the adjustable offset vibrating device as described in claim 1-7 any one, described adjustable offset vibrating device comprises: the first conductive layer, be arranged at the first polarization layer on described the first conductive layer, be arranged at the second polarization layer on described the first polarization layer, and be arranged at the second conductive layer on described the second polarization layer; Described the first conductive layer, described the second conductive layer are connected with power supply respectively; Wherein, the material of described the first polarization layer is electro-optic crystal;
Described method comprises:
In the time that described adjustable offset vibrating device is operated in unpolarized state, described power supply is making alive signal not;
In the time that described adjustable offset vibrating device is operated in polarization state, described power supply adds half-wave voltage signal;
Wherein, described unpolarized state be light by described adjustable offset vibrating device for all seeing through, described polarization state is to be the light transmission of default polarization state by the light of described adjustable offset vibrating device.
9. a display device, it is characterized in that, comprise the first polaroid, be arranged at the array base palte on described the first polaroid, be arranged at the color membrane substrates on described array base palte, be arranged at the second polaroid on described color membrane substrates, and be filled in the liquid crystal between described array base palte and color membrane substrates, described the second polaroid comprises at least one adjustable offset vibrating device as described in claim 1-7 any one.
10. display device according to claim 9, is characterized in that, described the first polaroid comprises at least one adjustable offset vibrating device as described in claim 1-7 any one.
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