CN103913870B - Liquid crystal lens, liquid crystal lens manufacture method and the display using the liquid crystal lens - Google Patents
Liquid crystal lens, liquid crystal lens manufacture method and the display using the liquid crystal lens Download PDFInfo
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- CN103913870B CN103913870B CN201310144947.5A CN201310144947A CN103913870B CN 103913870 B CN103913870 B CN 103913870B CN 201310144947 A CN201310144947 A CN 201310144947A CN 103913870 B CN103913870 B CN 103913870B
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Abstract
The invention provides a kind of liquid crystal lens manufacture method, it is comprised the following steps：Two pieces of substrates are provided, two pieces of substrates are oppositely arranged, and its opposite face is respectively equipped with transparency electrode pattern；Liquid crystal polymer is poured between two pieces of substrates, liquid crystal layer is formed；The electrode pattern is powered, and electric field is produced, to drive the liquid crystal molecular orientation in liquid crystal layer and position；Solidify the liquid crystal layer, so as to form liquid crystal lens.Compared with conventional art, this invention simplifies the manufacture method of liquid crystal lens, reduces cost is conducive to industrialized production.
Description
Technical field
The present invention relates to optical element and display device, particularly a kind of liquid crystal lens, the manufacture method of liquid crystal lens, with
And using the display of the liquid crystal lens.
Background technology
Because liquid crystal is the liquid with crystalline anisotropy's property, easily acted on by external conditions such as electric field, magnetic fields
And rearrange, this causes the liquid crystal to have electrically conerolled birefringence characteristic, using this characteristic, using liquid crystal layer building lens, to make
Into 3 d display device.However, in traditional liquid crystal lens processing procedure, using carries out friction orientation method to substrate, and
Need concave type base plate to accommodate liquid crystal material, therefore there is following defect：1. dust and electrostatic are difficult to avoid that in friction orientation procedure
Generation, dust will influence the yield rate of liquid crystal optical device, and electrostatic will directly affect the electrical characteristic of liquid crystal optical device；2.
For concave type base plate, rubbing manipulation is extremely difficult to consistent orientation effect；3. concave type base plate is high to required precision, and die sinking expense is held high
It is expensive, it is unfavorable for cost-effective；4. method is complicated, is unsuitable for industrialized production.
The content of the invention
In view of this, the manufacture method by providing a kind of liquid crystal lens, liquid crystal lens of the invention, and use the liquid
The display of brilliant lens, it effectively prevent due to problem one or more caused by the limitation of prior art and defect.
The present invention solve technical scheme that the technical problem used for：
A kind of liquid crystal lens manufacture method, it is comprised the following steps：
Two pieces of substrates are provided, two pieces of substrates are oppositely arranged, and its opposite face is respectively equipped with electrode pattern；
Liquid crystal polymer is poured between two pieces of substrates, liquid crystal layer is formed；
The electrode pattern is powered, and electric field is produced, to drive the liquid crystal molecular orientation in liquid crystal layer and position；
Solidify the liquid crystal layer, so as to form liquid crystal lens；
The liquid crystal lens of formation are peeled off from two pieces of substrates.
Compared with prior art, the present invention has advantages below：Present invention is disclosed a kind of manufacture method of liquid crystal lens,
The drawbacks of which overcoming tradition directed mode and produce dust and electrostatic, also it is not required to prepare particular mold in advance, solidify to form liquid crystal
Can be come into operation after lens.Therefore method is simplified, reduces cost is conducive to industrialized production.
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 point
Son -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 invention
Specific 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 invention
The 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.Its
In, the electrode pattern 310 on substrate 210 includes a plurality of ITO electrode be arrangeding in parallel.On substrate 220 is whole face
ITO 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 gathers
Compound 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 substrates
210th, between 220.Substrate 210,220 can make the liquid crystal polymer 122 for pouring into keep smooth, to form smooth liquid crystal layer
120.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 120
Pressure 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 effect
Positioning.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 312,314
The 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 exists
Under 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 radiate
Energy 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.Stripping
During 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 to
Liquid 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 more
It is good.In step S15, solidification equipment is not limited to, using ultraviolet light polymerization mode, can also be infrared ray mode, or heat cure
Mode.
Fig. 4 depicts the cross-section structure of the liquid crystal lens 100 formed according to step S11 to S17.Liquid crystal lens 100 have
There 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 point
Son orientation and the mode that positions, it is to avoid dust and electrostatic produced by conventional friction is aligned；Due to not using matrix
Template, but liquid crystal layer 120 directly is formed using substrate 210,220, therefore consistent orientation effect is can not only obtain, and
Eliminate the die sinking operation of matrix template；After liquid crystal layer 120 solidify to form birefringence liquid crystal lens 100, you can integrate display mould
Group 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 metaplasia
Produce.
Liquid crystal lens 100a disclosed in second embodiment of the invention, as shown in Figure 5.With the liquid crystal lens of first embodiment
100 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 transparent
Pliability plastic foil, its thickness be 40~50 μm.Substrate 140a is selected from OCA optics by glue laminating liquid crystal layer 120, glue
Glue, TTP glue or UV glue.Substrate 140a is used to lift the steadiness integrated between liquid crystal lens 100a and display, the two it
Between 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 embodiment
Not 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 two
Laminar 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 140b
Material, laminating type it is identical with second embodiment substrate 140a's, also repeat no more.The substrate of liquid crystal layer 120b bottom surfaces
140b, its effect with second embodiment substrate 140a it is identical.The substrate 140b of liquid crystal layer 120b top surfaces, as liquid crystal layer
The 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 with
It 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 lens
100th, 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.Polarization
Converter 420 include two pieces of transparency carriers 422,424, the liquid crystal layer 426 between two pieces of transparency carriers 422,424, and
Electric 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 backspin
The 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 420
Long 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, line
After 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 linear
Polarised 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 beholder
Receive.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 make
User 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 institutes
Show, when 428 deenergization of electric supply installation of polarization converter 420, the liquid crystal molecule of liquid crystal layer 426 in polarization converter 420
It 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 rotation
The 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, shape
It 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 100
After 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 regarded
Frequency 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 module
Among 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 shows
Module, 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 100
It 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 control
Display module processed 420 exports corresponding 2D or 3D vision signals.Meet the different vision requirement of beholder.It is easy to use, have
Beneficial to marketing.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention.Though
So 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 art
Member, 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 invention
Technical scheme makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations.Therefore, it is every without departing from
The 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, equivalent
Change and modification, still fall within the range of technical solution of the present invention protection.
Claims (15)
1. a kind of liquid crystal lens manufacture method, it is characterised in that comprise the following steps：
Two pieces of substrates are provided, two pieces of substrates are oppositely arranged, and its opposite face is respectively equipped with electrode pattern；
Liquid crystal polymer is poured between two pieces of substrates, liquid crystal layer is formed；
The electrode pattern is powered, and electric field is produced, to drive the liquid crystal molecular orientation in liquid crystal layer and position；
Solidify the liquid crystal layer, so as to form liquid crystal lens；
The electrode pattern includes a plurality of ITO electrode be arrangeding in parallel being located therein on substrate described in one and positioned at another institute
State the ITO electrode in the whole face on substrate；
The rotational angle of the liquid crystal molecule is 0 °~90 °.
2. liquid crystal lens manufacture method according to claim 1, it is characterised in that also including heating liquid crystal polymer, so
The step of mixing sept in the liquid crystal polymer afterwards.
3. liquid crystal lens manufacture method according to claim 1, it is characterised in that also including solidify the liquid crystal layer it
Afterwards, the step of closing power supply to cancel electric field.
4. liquid crystal lens manufacture method according to claim 1, it is characterised in that after also including forming liquid crystal lens, from
The step of liquid crystal lens being peeled off in two pieces of substrates.
5. liquid crystal lens manufacture method according to claim 4, it is characterised in that in the step of peeling off liquid crystal lens,
Liquid crystal lens are separated with electrode pattern.
6. liquid crystal lens manufacture method according to claim 1, it is characterised in that the solidification equipment uses ultraviolet
Light.
7. liquid crystal lens manufacture method according to claim 6, it is characterised in that the liquid crystal polymer is to the addition of purple
Outer photo-induced dose nematic liquid crystal.
8. liquid crystal lens manufacture method according to claim 1, it is characterised in that the electric field driven liquid crystal molecule rotation
Turn, angle repositioning when making liquid crystal layer that there is birefringent lens effect.
9. a kind of liquid crystal lens, it is characterised in that it is the liquid crystal lens formed according to any one of claim 1 to 8.
10. liquid crystal lens according to claim 9, it is characterised in that the thickness of the liquid crystal lens is that 10-100 is micro-
Rice.
11. liquid crystal lens according to claim 9, it is characterised in that the liquid crystal layer bottom surface is additionally provided with substrate, Huo Zhesuo
State liquid crystal layer bottom surface and top surface is equipped with substrate.
12. liquid crystal lens according to claim 11, it is characterised in that the substrate is thickness 40-50 microns of plastics
Film.
13. liquid crystal lens according to claim 12, it is characterised in that the substrate is saturating by optics glue laminating liquid crystal
Mirror.
14. a kind of displays, it is characterised in that it includes display module and polarization converter；The polarization converter is located at aobvious
Show on module；Liquid crystal lens according to claim 9 are located on the polarization converter, positioned at the display
Outermost layer.
15. displays according to claim 14, it is characterised in that the display module is controlled switching by polarization converter
Ground transmission 2D or 3D vision signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144947.5A CN103913870B (en) | 2013-04-24 | 2013-04-24 | Liquid crystal lens, liquid crystal lens manufacture method and the display using the liquid crystal lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144947.5A CN103913870B (en) | 2013-04-24 | 2013-04-24 | Liquid crystal lens, liquid crystal lens manufacture method and the display using the liquid crystal lens |
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| Publication Number | Publication Date |
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| CN103913870A CN103913870A (en) | 2014-07-09 |
| CN103913870B true CN103913870B (en) | 2017-06-13 |
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| CN201310144947.5A Active CN103913870B (en) | 2013-04-24 | 2013-04-24 | Liquid crystal lens, liquid crystal lens manufacture method and the display using the liquid crystal lens |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104360560B (en) * | 2014-11-11 | 2018-05-18 | 深圳超多维光电子有限公司 | Production method, liquid crystal lens and the 3 d display device of liquid crystal lens |
| CN112034643B (en) * | 2020-08-06 | 2023-11-03 | 华南师范大学 | Liquid crystal microlens array film, preparation method thereof and display device |
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|---|---|---|---|---|
| CN1423136A (en) * | 2001-11-28 | 2003-06-11 | 株式会社西铁城电子 | Liquid crystal microdistance mirror |
| CN1959473A (en) * | 2006-11-29 | 2007-05-09 | 上海理工大学 | Preparation method for realizing electric controlled liquid crystal lens through rotation stress method |
| CN201229434Y (en) * | 2008-07-24 | 2009-04-29 | 北京超多维科技有限公司 | 2D/3D switchable display equipment |
| CN202533687U (en) * | 2012-05-09 | 2012-11-14 | 京东方科技集团股份有限公司 | Liquid crystal lens and three-dimensional (3D) display device |
| CN102809840A (en) * | 2011-06-03 | 2012-12-05 | 索尼公司 | Display apparatus and variable lens array |
| CN103257506A (en) * | 2012-02-20 | 2013-08-21 | 京东方科技集团股份有限公司 | Liquid crystal lens, method and equipment for manufacturing same and 3D (three-dimensional) display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2470493C (en) * | 2003-06-05 | 2012-11-27 | Universite Laval | Electrically variable focus polymer-stabilized liquid crystal lens |
-
2013
- 2013-04-24 CN CN201310144947.5A patent/CN103913870B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423136A (en) * | 2001-11-28 | 2003-06-11 | 株式会社西铁城电子 | Liquid crystal microdistance mirror |
| CN1959473A (en) * | 2006-11-29 | 2007-05-09 | 上海理工大学 | Preparation method for realizing electric controlled liquid crystal lens through rotation stress method |
| CN201229434Y (en) * | 2008-07-24 | 2009-04-29 | 北京超多维科技有限公司 | 2D/3D switchable display equipment |
| CN102809840A (en) * | 2011-06-03 | 2012-12-05 | 索尼公司 | Display apparatus and variable lens array |
| CN103257506A (en) * | 2012-02-20 | 2013-08-21 | 京东方科技集团股份有限公司 | Liquid crystal lens, method and equipment for manufacturing same and 3D (three-dimensional) display device |
| CN202533687U (en) * | 2012-05-09 | 2012-11-14 | 京东方科技集团股份有限公司 | Liquid crystal lens and three-dimensional (3D) display device |
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