Brief description of the drawings
Fig. 1 is the liquid crystal lens manufacture method flow chart of first embodiment of the invention.
Fig. 2 is the liquid crystal lens manufacture method schematic diagram one of first embodiment of the invention.
Fig. 3 is the liquid crystal lens manufacture method schematic diagram two of first embodiment of the invention.
Fig. 4 is the liquid crystal lens generalized section of first embodiment of the invention.
Fig. 5 is the liquid crystal lens generalized section of second embodiment of the invention.
Fig. 6 is the liquid crystal lens generalized section of third embodiment of the invention.
Fig. 7 is the display generalized section present invention employs liquid crystal lens in first embodiment.
Operation principle schematic diagram when Fig. 8 is the display output 3D vision signals in Fig. 7.
Operation principle schematic diagram when Fig. 9 is the display output 2D vision signals in Fig. 7.
Description of reference numerals：
Liquid crystal lens -100,100a, 100b;Liquid crystal layer -120,120a, 120b, 426;Liquid crystal polymer -122;Liquid crystal pointSon -124,126,128；Transparency carrier -140a, 140b, 210,220,422,424;Transparency electrode pattern -310,320;Electrode-312、314；Display -400;Display module -410;Polarization converter -420;Electric supply installation -428;Step-S11, S12, S13,S14、S15、S16、S17;Sept-C；Power supply-P;Linearly polarized photon-E, F, H, I;Light-G, J；Ultraviolet light-UV..
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present inventionSpecific embodiment be described in detail.
Present invention is disclosed a kind of manufacture method of liquid crystal lens.Fig. 1 to Fig. 3 is refer to, first embodiment of the inventionThe manufacture method of liquid crystal lens 100, comprises the following steps：
S11., two pieces of substrates 210,220 are provided, electrode pattern 310,320 is respectively equipped with substrate 210 and substrate 220.ItsIn, the electrode pattern 310 on substrate 210 includes a plurality of ITO electrode be arrangeding in parallel.On substrate 220 is whole faceITO electrode pattern 320.Electrode pattern 310 and electrode pattern 320 are oppositely arranged；
S12. liquid crystal polymer 122 is heated, sept C is then added while liquid crystal polymer 122 are stirred.Liquid crystal gathersCompound is the nematic liquid crystal that with the addition of ultraviolet light inducing agent；
S13. using instillation device（Do not illustrated in figure）The liquid crystal polymer 122 that sept C will have been mixed instills two pieces of substrates210th, between 220.Substrate 210,220 can make the liquid crystal polymer 122 for pouring into keep smooth, to form smooth liquid crystal layer120.Sept C is resisted against between substrate 210,220, is consistent the thickness of liquid crystal layer 120；
S14. P is turned on the power, electrode pattern 310,320 is powered, and produces electric field, and the electricity of 10~20V is applied to liquid crystal layer 120Pressure so that the liquid crystal molecule in liquid crystal layer 120 is rotated, changes inclination angle, and when liquid crystal layer 120 has birefringent lens effectPositioning.The inclination angle scope of the liquid crystal molecule is 0~90 °.As shown in figure 3, the liquid crystal immediately below strip shaped electric poles 312,314The inclination angle of molecule 124 is 90 °, and the inclination angle of liquid crystal molecule 128 below the centre of strip shaped electric poles 312,314 is 0 °, and liquid crystal molecule existsUnder electric field action, it is distributed in conic section；
S15. solidification equipment is started（Do not illustrated in figure）, the solidification equipment produces ultraviolet UV, uniformly to radiateEnergy exposure liquid crystal layer 120, solidifies liquid crystal layer 120, forms liquid crystal lens 100.The wavelength of ultraviolet is 300nm~350nm；
S16. power supply P is closed, electric field is cancelled, electrode pattern 310,320 is no longer powered.
Step S17 can also be included, i.e., from separating formed liquid crystal lens 100 between two pieces of substrates 210,220.StrippingDuring from liquid crystal lens 100, liquid crystal lens 100 are also separated with transparency electrode pattern 310,320.
In step S11, substrate 210,220 and electrode pattern 320 employ transparent material, so, when applying voltages toLiquid crystal layer 120 is so that during liquid crystal molecular orientation, the orientation process will not be influenceed by opaque material shading, and orientation effect is moreIt is good.In step S15, solidification equipment is not limited to, using ultraviolet light polymerization mode, can also be infrared ray mode, or heat cureMode.
Fig. 4 depicts the cross-section structure of the liquid crystal lens 100 formed according to step S11 to S17.Liquid crystal lens 100 haveThere is birefringent lens effect, its thickness is 10~100 microns.
The manufacture method of disclosed liquid crystal lens 100, is powered which employs to electrode, direct drive liquid crystal pointSon orientation and the mode that positions, it is to avoid dust and electrostatic produced by conventional friction is aligned；Due to not using matrixTemplate, but liquid crystal layer 120 directly is formed using substrate 210,220, therefore consistent orientation effect is can not only obtain, andEliminate the die sinking operation of matrix template；After liquid crystal layer 120 solidify to form birefringence liquid crystal lens 100, you can integrate display mouldGroup is coming into operation.Therefore, this invention simplifies the manufacture method of liquid crystal lens 100, cost has been saved, has been suitable to industrial metaplasiaProduce.
Liquid crystal lens 100a disclosed in second embodiment of the invention, as shown in Figure 5.With the liquid crystal lens of first embodiment100 compare, and liquid crystal lens 100a not only includes the liquid crystal layer 120a of solidification, is also located at the bottom surface of liquid crystal layer 120 including substrate 140a.Material, the structure of liquid crystal layer 120a are identical with first embodiment liquid crystal layer 120, will not be described here.Substrate 140a is transparentPliability plastic foil, its thickness be 40~50 μm.Substrate 140a is selected from OCA optics by glue laminating liquid crystal layer 120, glueGlue, TTP glue or UV glue.Substrate 140a is used to lift the steadiness integrated between liquid crystal lens 100a and display, the two itBetween be not easily stripped.
Fig. 6 is the liquid crystal lens 100b disclosed in third embodiment of the invention.With the phase of liquid crystal lens 100 of first embodimentNot only include liquid crystal layer 120b than the liquid crystal lens 100b of, the present embodiment, also including be divided into liquid crystal layer 120b tops, bottom surface twoLaminar substrate 140b.The material of liquid crystal layer 120b, structure are identical with the liquid crystal layer 120 of first embodiment；This two-layer substrate 140bMaterial, laminating type it is identical with second embodiment substrate 140a's, also repeat no more.The substrate of liquid crystal layer 120b bottom surfaces140b, its effect with second embodiment substrate 140a it is identical.The substrate 140b of liquid crystal layer 120b top surfaces, as liquid crystal layerThe protective layer of 120b, also enhances the anti-impact force of liquid crystal lens 100b while scratch resistant.
Similarly, the liquid crystal lens 100a of second embodiment of the invention may be considered：In the manufacture method of first embodiment,After step S16, formed after the substrate 210 of the top surface of liquid crystal layer 120 is removed.The liquid crystal lens 100b of 3rd embodiment can be withIt is considered：In the manufacture method of first embodiment, after step S16, directly formed after omission step S17.
Shown in Fig. 7, to incorporate the display 400 of first embodiment of the invention liquid crystal lens 100, it includes liquid crystal lens100th, display module 410 and polarization converter 420.
Liquid crystal lens 100 fit in the top surface of polarization converter 420, positioned at the outermost layer of display 400.
Polarization converter 420 is located on display module 410, between liquid crystal lens 100 and display 400.PolarizationConverter 420 include two pieces of transparency carriers 422,424, the liquid crystal layer 426 between two pieces of transparency carriers 422,424, andElectric supply installation 428.
Display module 410 is controlled by polarization converter 420, switching ground output 2D and 3D vision signals.
Fig. 8 is refer to, so that display module 410 is TN type liquid crystal displays as an example, the operation principle of display 400 is as follows：Polarization converter 420 is powered by electric supply installation 428, and the liquid crystal molecule in liquid crystal layer 426 goes to vertical saturating in electric field action backspinThe state of bright substrate 422,424 so that from linearly polarized photon E (the o light, perpendicular to liquid crystal layer 426 of the outgoing of display module 420Long axis of liquid crystal molecule direction) liquid crystal layer 426 can be directed through, polarization state is not changed and forms linearly polarized photon F.Then, lineAfter property polarised light F incides liquid crystal lens 100 with the long axis direction parallel to liquid crystal molecule in liquid crystal lens 100（It is now linearPolarised light F is e light）, the light G that the direction of propagation changes is formed, light G is reflected along different directions, by the images of left and right eyes of beholderReceive.Now, the output of display module 410 3D vision signals.Therefore, the left eye of beholder can receive different images with right eye,Binocular disparity is produced, then be synthesized together for the image on both sides by brain, and the depth and authenticity of the original 3D rendering of reproducing makeUser obtains the visual experience of bore hole 3D.
Under the control of polarization converter 420, display 420 can switch between 2D and 3D display effects.Such as Fig. 9 institutesShow, when 428 deenergization of electric supply installation of polarization converter 420, the liquid crystal molecule of liquid crystal layer 426 in polarization converter 420It is rotated by 90 °, parallel to substrate 422,424, therefore by the linearly polarized photon H of the outgoing of display module 410（E light, parallel to optical rotationThe long axis of liquid crystal molecule direction of parallel operation 420）Into after liquid crystal layer 426, polarization state changes, and is rotated by 90 ° to perpendicular to paper, shapeIt is saturating that linear polarized light I, linearly polarized photon I incide liquid crystal with the long axis direction of the liquid crystal molecule in liquid crystal lens 100After mirror 100（Now linearly polarized photon I is o light）, form the constant light J in the direction of propagation.The now output of display module 420 2D is regardedFrequency signal, display 400 is 2D display effects.
Similarly, liquid crystal lens 100a, the 100b disclosed in second and third embodiment of the invention can also be integrated in display moduleAmong 410.The display module 410 of display 400, by being adapted to different types of polarization converter, will be not limited only to LCD and showsModule, such as LED display modules or OLED display modules.
Disclosed display 400 incorporates liquid crystal lens 100, and Integration Mode is simple.Due to liquid crystal lens 100It is non-electronic control type, therefore is not required to be powered when using.By being opened or closed the electric supply installation 428 of polarization converter 420, can just controlDisplay module processed 420 exports corresponding 2D or 3D vision signals.Meet the different vision requirement of beholder.It is easy to use, haveBeneficial to marketing.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention.ThoughSo the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the artMember, in the case where technical solution of the present invention ambit is not departed from, all using the methods and techniques content of the disclosure above to the present inventionTechnical scheme makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations.Therefore, it is every without departing fromThe content of technical solution of the present invention, according to technical spirit of the invention to any simple modification made for any of the above embodiments, equivalentChange and modification, still fall within the range of technical solution of the present invention protection.