CN203444221U - Stable-polymer liquid crystal lens and display device - Google Patents
Stable-polymer liquid crystal lens and display device Download PDFInfo
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- CN203444221U CN203444221U CN201320464342.XU CN201320464342U CN203444221U CN 203444221 U CN203444221 U CN 203444221U CN 201320464342 U CN201320464342 U CN 201320464342U CN 203444221 U CN203444221 U CN 203444221U
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Abstract
The utility model discloses a stable-polymer liquid crystal lens and a display device, and relates to the field of display. The stable-polymer liquid crystal lens comprises a first base plate, a first electrode, a liquid crystal layer, a second electrode and a second base plate, wherein the first electrode is arranged on the first base plate, the second electrode is arranged on the second base plate, the liquid crystal layer is arranged between the first electrode and the second electrode, the first electrode comprises a plurality of electrode units, the electrode units and the second electrode form a periodic electric field with the periodically changed voltage values, the liquid crystal layer comprises polymers and liquid crystal molecules, the liquid crystal molecules deflect under the effect of the periodic electric field before becoming stable, and in addition, the polymers maintain the deflection angle after becoming stable. The liquid crystal molecules in the stable-polymer liquid crystal lens do not distort, and the light transmission rate is high.
Description
Technical field
The utility model relates to display technique field, particularly a kind of polymer stabilized nematic liquid crystals lens and display device.
Background technology
Along with bore hole 3D(Three Dimensions, three-dimensional) development gradually of display mode, various 3D technology are arisen at the historic moment, and wherein liquid crystal microlens has advantages of that focal length is adjustable controlled, is therefore widely used in 3D display mode.
Prior art discloses a kind of 3D lens that adopt light orientation technology different tilt angles to be provided to each subelement, can show 3D picture not executing alive time, but liquid crystal aligning is hybrid orientation, and liquid crystal molecule is distorted-structure, and light transmission rate is low.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is: how to provide a kind of polymer stabilized nematic liquid crystals lens and display device, to improve the light transmission rate of lens.
(2) technical scheme
The utility model provides a kind of polymer stabilized nematic liquid crystals lens, and it comprises: first substrate, the first electrode, liquid crystal layer, the second electrode and second substrate;
Described the first electrode is arranged on described first substrate;
Described the second electrode is arranged on described second substrate;
Described liquid crystal layer is arranged between described the first electrode and described the second electrode; Described the first electrode comprises a plurality of electrode units, and a plurality of described electrode units and described the second electrode form magnitude of voltage and be the Periodic Electric Field that the cycle changes;
Described liquid crystal layer comprises polymkeric substance and liquid crystal molecule, and described liquid crystal molecule is deflection under described Periodic Electric Field effect before described polymer stabilizing, and after described polymer stabilizing, keeps the angle of described deflection.
Wherein, described liquid crystal layer is divided into a plurality of liquid crystal layer subregions identical with described electrode unit quantity along the orientation of described a plurality of electrode units;
Described in each, electrode unit is identical along the length of described orientation along the described liquid crystal layer subregion in the length Yu Gai electrode unit view field of described orientation;
Liquid crystal molecule described in each in liquid crystal layer subregion is deflection respective angles under described Periodic Electric Field effect, and after described polymer stabilizing, the liquid crystal molecule in liquid crystal layer subregion keeps deflection angle separately described in each, and described liquid crystal layer has three-dimensional 3D lens effect.
Wherein, described in described liquid crystal layer, the content of polymkeric substance is less than 10%.
Wherein, described first substrate and described second substrate adopt resin, glass or plastic material.
The utility model also provides a kind of display device, is provided with described polymer stabilized nematic liquid crystals lens on the display screen of described display device.
(3) beneficial effect
Polymer stabilized nematic liquid crystals lens described in the utility model embodiment, comprising: first substrate, the first electrode, liquid crystal layer, the second electrode and second substrate; Described the first electrode is arranged on described first substrate; Described the second electrode is arranged on described second substrate; Described liquid crystal layer is arranged between described the first electrode and described the second electrode; Described the first electrode comprises a plurality of electrode units, and a plurality of described electrode units and described the second electrode form magnitude of voltage and be the Periodic Electric Field that the cycle changes; Described liquid crystal layer comprises polymkeric substance and liquid crystal molecule, and described liquid crystal molecule is deflection under described Periodic Electric Field effect before described polymer stabilizing, and after described polymer stabilizing, keeps the angle of described deflection.The liquid crystal molecule of described polymer stabilized nematic liquid crystals lens is distortionless, and light transmission rate is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 1;
Fig. 2 is preparation method's process flow diagram of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 2;
Fig. 3 a to 3e is preparation technology's process flow diagram of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 2.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1
Fig. 1 is the structural representation of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 1, and as shown in Figure 1, described polymer stabilized nematic liquid crystals lens comprise: first substrate 110, the first electrode 120, liquid crystal layer 130, the second electrode 140 and second substrate 150.
Wherein, described the first electrode 120 is arranged on described first substrate 110, is arranged on described first substrate 110 near a side of described liquid crystal layer 130; Described the second electrode 140 is arranged on described second substrate 150, is arranged on described second substrate 150 near a side of described liquid crystal layer 130; Described liquid crystal layer 130 is arranged between described the first electrode 120 and described the second electrode 140.
Particularly, described first substrate 110 and described second substrate 150 can adopt resin, glass or plastic material.
Described the first electrode 120 comprises a plurality of electrode units 121, and described a plurality of electrode units 121 are for forming magnitude of voltage with described the second electrode 140 Periodic Electric Field that the cycle changes.
Described the first electrode 120 and described the second electrode 140 are transparency electrode, such as adopting ITO(Indium tin oxide, tin indium oxide).
Described Periodic Electric Field comprises that the magnitude of voltage being equal to described electrode unit 121 quantity is the electric field that the cycle changes.Described in Fig. 1, the first electrode 120 illustrates 7 electrode units 121, suppose the magnitude of voltage (unit volt) of described 7 electrode units 121 from a side to opposite side set gradually be 0 ,+2 ,+4 ,+6 ,-4 ,-2,0, magnitude of voltage on described the second electrode 140 is set to 0, between 7 electrode units 121 of described the first electrode 120 and described the second electrode 140, form one comprise 7 magnitudes of voltage be followed successively by 0 ,+2 ,+4 ,+6 ,-4 ,-2,0 electric field, the magnitude of voltage of described 7 electric fields is cycle variation, forms one-period electric field.The voltage of electric field of described Periodic Electric Field can be adjusted according to actual needs, does not limit to the magnitude of voltage with above-mentioned hypothesis.In addition, the quantity of the electrode unit 121 that described the first electrode 120 comprises also goes to be fixed as 7, and it can be according to the size setting of the display screen of display device, such as being set to 9 or 11 etc.
Described liquid crystal layer 130 comprises polymkeric substance 132 and liquid crystal molecule 131, the deflection under described Periodic Electric Field effect before described polymkeric substance 132 is stable of described liquid crystal molecule 131, and after described polymkeric substance 132 is stable, keep the angle of described deflection.
Particularly, before described polymkeric substance 132 is stable, be a plurality of polymer monomers, described liquid crystal molecule 131 and described polymer monomer mix formation mixed liquor.Under described Periodic Electric Field effect, described liquid crystal molecule 131 deflects, and described liquid crystal layer 130 is divided into a plurality of liquid crystal layer subregions identical with described electrode unit 121 quantity along the orientation of described a plurality of electrode units 121, described in each, electrode unit 121 is identical along the length of described orientation with the described liquid crystal layer subregion in these electrode unit 121 view fields along the length of described orientation, liquid crystal molecule described in each in liquid crystal layer subregion is deflection respective angles under described Periodic Electric Field effect, the deflection angle of the described liquid crystal molecule 131 in all described liquid crystal layer subregions is periodically.When described polymer monomer being carried out to polymerization processing, described polymer monomer is along the yawing moment polymerization of described liquid crystal molecule 131, the stable polymkeric substance 132 of final formation, after described polymkeric substance 132 is stable, the liquid crystal molecule 131 in liquid crystal layer subregion keeps deflection angle separately described in each, and described liquid crystal layer 130 has three-dimensional 3D lens effect.At this moment remove Periodic Electric Field, described liquid crystal molecule 131 also can keep deflection angle separately in stable polymkeric substance 132, forms the polymer stabilized nematic liquid crystals lens with 3D lens effect.
Preferably, described in described liquid crystal layer 130, the content of polymkeric substance 132 is less than 10%.
Polymer stabilized nematic liquid crystals lens described in the present embodiment, liquid crystal molecule is distortionless, and light transmission rate is high, and liquid crystal molecule is subject to the stabilization of polymkeric substance, uniform and stable orientation, display effect is good, excellent combination property.In addition, described polymer stabilized nematic liquid crystals lens can have 3D display effect when not applying electric field action, save electric energy.
Embodiment 2
Fig. 2 is preparation method's process flow diagram of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 2.Fig. 3 a to 3e is preparation technology's process flow diagram of polymer stabilized nematic liquid crystals lens described in the utility model embodiment 2.Shown in Fig. 2 and Fig. 3 a to 3e, described method comprises:
210: to being formed with the first substrate 310 of the first electrode 320, carry out orientation process with the second substrate 350 that is formed with the second electrode 340, by the first substrate after orientation process 310 and 350 pairs of boxes of second substrate, mixed liquor to injection of polymer monomer 333 after box and liquid crystal molecule 332, described the first electrode 320 comprises a plurality of electrode units.
Particularly, described step 210 may further include:
211: on first substrate 310, form the first electrode 320, described the first electrode 320 comprises a plurality of electrode units 321.
212: on second substrate 350, form the second electrode 340.
Wherein, described first substrate 310 and described second substrate 350 can adopt resin, glass or plastic material.Described the first electrode 320 and described the second electrode 340 are transparency electrode, such as adopting ITO.
213: to being formed with the first substrate 310 of the first electrode 320, adopt illumination methods to carry out orientation process with the second substrate 350 that is formed with the second electrode 340.
In this step 213, can also adopt friction mode to carry out orientation process.When adopting friction mode, in subsequent step, liquid crystal molecule 332 has certain tilt angle, affects the follow-up liquid crystal applying after electric field and distributes, although also can realize the utility model scheme, effect is not as good as adopting illumination methods.Therefore, the present embodiment preferably adopts illumination methods to carry out orientation process to described liquid crystal molecule 332.As shown in Figure 3 a, when adopting illumination methods to carry out after orientation process, the tilt angle of described liquid crystal molecule approaches 0, and described liquid crystal molecule is horizontal alignment.
214: by the first substrate after orientation process 310 and 350 pairs of boxes of second substrate, described the first electrode 320 and described the second electrode 340 are oppositely arranged.
215: the mixed liquor to injection of polymer monomer 333 after box and liquid crystal molecule 332.
Wherein, described in described mixed liquor, the content of polymer monomer 333 is less than 10%.
220: make between a plurality of electrode units 321 of described the first electrode 320 and described the second electrode 340, forming magnitude of voltage and being the Periodic Electric Field that the cycle changes the deflection respective angles respectively under described Periodic Electric Field effect of the described liquid crystal molecule 332 described in each in the view field of electrode unit 321.
Described Periodic Electric Field comprises that the magnitude of voltage being equal to described electrode unit 321 quantity is the electric field that the cycle changes.Referring to Fig. 3 b, described liquid crystal molecule 131 in each electrode unit 321 corresponding region is the corresponding angle of deflection under this electrode unit 321 and described the second electrode 340 electric field action that forms, and the deflection angle of the described liquid crystal molecule 131 in whole Periodic Electric Field is periodically.
230: keep described Periodic Electric Field, described polymer monomer 333 is exposed and forms stable polymkeric substance.
Wherein, described stable polymkeric substance 332 makes described liquid crystal molecule 131 keep respectively deflection angle separately, and the described stable polymkeric substance 332 that is comprising described liquid crystal molecule 131 is that described liquid crystal layer has 3D lens effect.
Particularly, in this step 230, can carry out overall exposing to described polymer monomer 333, the all described polymer monomer 333 between described the first electrode 320 and described the second electrode 340 is exposed, so that all described polymer monomer 333 polymerizations form stable polymkeric substance simultaneously.Adopt this kind of polymerization methods, although can realize the utility model scheme, but, between polymer monomer 333 during due to overall exposing in each 321 corresponding regions, adjacent electrode unit, have effect, form covalent bond, therefore, the steady state (SS) of the liquid crystal molecule 332 of each adjacent electrode unit 321 intersections can be affected.
In the present embodiment, preferably, to the described polymer monomer 333 in each electrode unit 321 corresponding region on described the first electrode 320, adopt mask plate 360 to expose successively.
First referring to Fig. 3 c, when adopting mask plate 360 to expose to the described polymer monomer 333 in first electrode unit 321 corresponding regions, the stable polymkeric substance of polymer monomer 333 polymerization forming section in this region, now, described polymer monomer 333 in second electrode unit 321 corresponding region exposes, and is difficult for generating covalent bond between first electrode unit 321 and the polymer monomer 333 of second electrode unit 321 intersection.
Referring to Fig. 3 d, when the described polymer monomer 333 in adopting 360 pairs second electrode unit 321 corresponding regions of mask plate exposes, the stable polymkeric substance of polymer monomer 333 polymerization forming section in this region, now, described polymer monomer 333 in the 3rd electrode unit 321 corresponding regions exposes, and is difficult for generating covalent bond between second electrode unit 321 and the polymer monomer 333 of the 3rd electrode unit 321 intersections; Meanwhile, due to the stable polymkeric substance of forming section of the described polymer monomer 333 in first electrode unit 321 corresponding regions, between second electrode unit 321 and the polymer monomer 333 of first electrode unit 321 intersections, be also difficult for generating covalent bond.The like, referring to Fig. 3 e, after adopting mask plate 360 to expose to the described polymer monomer 333 in last electrode unit 321 corresponding region, all described polymer monomers 333 form stable polymkeric substance 332.At this moment, remove after described Periodic Electric Field, described liquid crystal molecule 332 still remains on the deflection angle in described step 230, thereby forms polymer stabilized nematic liquid crystals lens.
In addition, when forming a plurality of Periodic Electric Field between described the first electrode 320 and described the second electrode 340, can to the described polymer monomer 333 in each electrode unit 321 corresponding region, expose successively according to the cycle of Periodic Electric Field, first the described polymer monomer 333 in first electrode unit 321 corresponding regions in all Periodic Electric Fields is exposed, again the described polymer monomer 333 in second electrode unit 321 corresponding region in all Periodic Electric Fields is exposed, again the described polymer monomer 333 in the 3rd electrode unit 321 corresponding regions in all Periodic Electric Fields is exposed, the like, until the described polymer monomer 333 in last electrode unit 321 corresponding region in all Periodic Electric Fields is exposed.
The preparation method of polymer stabilized nematic liquid crystals lens described in the present embodiment, polymer monomer 333 in each electrode unit 321 corresponding region is without the exposure of carrying out varying strength, control requirement to the tilt angle of liquid crystal molecule 331 is lower, and preparation technology is simple, easy to implement.Meanwhile, in the polymer stabilized nematic liquid crystals lens that prepare, liquid crystal molecule is distortionless, and light transmission rate is high, and liquid crystal molecule is subject to the stabilization of polymkeric substance, uniform and stable orientation, and display effect is good, excellent combination property.In addition, described polymer stabilized nematic liquid crystals lens can have 3D display effect when not applying electric field action, save electric energy.
Embodiment 3
The present embodiment 3 provides a kind of display device, and described display device comprises polymer stabilized nematic liquid crystals lens described in embodiment 1.Because described polymer stabilized nematic liquid crystals lens can have 3D display effect when not applying electric field action, therefore do not need to be directly made in module, can adopt the form of pad pasting to be covered on display screen surface, thereby be easy to change when maintenance.
Wherein, described display device can be TV, mobile phone, panel computer etc.
Polymer stabilized nematic liquid crystals lens described in the utility model embodiment, liquid crystal molecule is distortionless, and light transmission rate is high, and liquid crystal molecule is subject to the stabilization of polymkeric substance, uniform and stable orientation, display effect is good, excellent combination property.In addition, described polymer stabilized nematic liquid crystals lens can have 3D display effect when not applying electric field action, save electric energy.In described preparation method, the polymer monomer in each electrode unit corresponding region is without the exposure of carrying out varying strength, and lower to the control requirement of the tilt angle of liquid crystal molecule, preparation technology is simple, easy to implement.
Above embodiment is only for illustrating the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (4)
1. polymer stabilized nematic liquid crystals lens, is characterized in that, comprising: first substrate, the first electrode, liquid crystal layer, the second electrode and second substrate;
Described the first electrode is arranged on described first substrate;
Described the second electrode is arranged on described second substrate;
Described liquid crystal layer is arranged between described the first electrode and described the second electrode; Described the first electrode comprises a plurality of electrode units, and a plurality of described electrode units and described the second electrode form magnitude of voltage and be the Periodic Electric Field that the cycle changes;
Described liquid crystal layer comprises polymkeric substance and liquid crystal molecule, and described liquid crystal molecule is deflection under described Periodic Electric Field effect before described polymer stabilizing, and after described polymer stabilizing, keeps the angle of described deflection.
2. polymer stabilized nematic liquid crystals lens as claimed in claim 1, is characterized in that,
Described liquid crystal layer is divided into a plurality of liquid crystal layer subregions identical with described electrode unit quantity along the orientation of described a plurality of electrode units;
Described in each, electrode unit is identical along the length of described orientation along the described liquid crystal layer subregion in the length Yu Gai electrode unit view field of described orientation;
Liquid crystal molecule described in each in liquid crystal layer subregion is deflection respective angles under described Periodic Electric Field effect, and after described polymer stabilizing, the liquid crystal molecule in liquid crystal layer subregion keeps deflection angle separately described in each, and described liquid crystal layer has three-dimensional 3D lens effect.
3. polymer stabilized nematic liquid crystals lens as claimed in claim 1, is characterized in that, described first substrate and described second substrate adopt resin, glass or plastic material.
4. a display device, is characterized in that, is provided with polymer stabilized nematic liquid crystals lens described in claims 1 to 3 any one on the display screen of described display device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320464342.XU CN203444221U (en) | 2013-07-31 | 2013-07-31 | Stable-polymer liquid crystal lens and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320464342.XU CN203444221U (en) | 2013-07-31 | 2013-07-31 | Stable-polymer liquid crystal lens and display device |
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| CN203444221U true CN203444221U (en) | 2014-02-19 |
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| CN201320464342.XU Expired - Lifetime CN203444221U (en) | 2013-07-31 | 2013-07-31 | Stable-polymer liquid crystal lens and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399444A (en) * | 2013-07-31 | 2013-11-20 | 京东方科技集团股份有限公司 | Polymer stabilizing liquid crystal lens, preparation method thereof and display device |
| CN106164751A (en) * | 2014-03-04 | 2016-11-23 | 斯特立体影像科技有限公司 | Manipulator and the stereoscopic image devices of this manipulator of use for stereoscopic image devices |
-
2013
- 2013-07-31 CN CN201320464342.XU patent/CN203444221U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399444A (en) * | 2013-07-31 | 2013-11-20 | 京东方科技集团股份有限公司 | Polymer stabilizing liquid crystal lens, preparation method thereof and display device |
| CN103399444B (en) * | 2013-07-31 | 2016-03-30 | 京东方科技集团股份有限公司 | A kind of polymer stabilized nematic liquid crystals lens and preparation method thereof, display device |
| CN106164751A (en) * | 2014-03-04 | 2016-11-23 | 斯特立体影像科技有限公司 | Manipulator and the stereoscopic image devices of this manipulator of use for stereoscopic image devices |
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