CN102692781A - Harmonic diffractive type liquid crystal zoom lens and array thereof - Google Patents
Harmonic diffractive type liquid crystal zoom lens and array thereof Download PDFInfo
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- CN102692781A CN102692781A CN2012102008225A CN201210200822A CN102692781A CN 102692781 A CN102692781 A CN 102692781A CN 2012102008225 A CN2012102008225 A CN 2012102008225A CN 201210200822 A CN201210200822 A CN 201210200822A CN 102692781 A CN102692781 A CN 102692781A
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Abstract
The invention discloses a harmonic diffractive type liquid crystal zoom lens and an array of the harmonic diffractive type liquid crystal zoom lens. The harmonic diffractive type liquid crystal zoom lens comprises a liquid crystal box, liquid crystal filled in the liquid crystal box and an electric control device, wherein the liquid crystal box comprises a first substrate, a second substrate and a spacer which is connected between the first and second substrates; the inner surfaces of the first and second substrates are respectively provided with a conducting layer; and an orientation layer covers the conducting layer of at least one substrate. The harmonic diffractive type liquid crystal zoom lens is characterized in that a harmonic diffractive type lens structure is arranged on the inner surface of at least one substrate, and the harmonic diffractive lens structure meets harmonic diffraction conditions. The harmonic diffractive type liquid crystal zoom lens is beneficial for precisely controlling the thickness of a liquid crystal layer, arranging liquid crystal molecules, reducing the response time of zoom lenses, eliminating chromatic aberration, and processing and duplicating zoom lenses.
Description
Technical field
The present invention relates to a kind of optical component, be specifically related to a kind of zoom lens, especially a kind of liquid-crystal zoom lens and lens arra based on humorous diffraction structure, the focal length of lens can carry out quick adjustment through applying the impressed voltage signal.
Background technology
Zoom lens are in photography, vision correction, machine vision, and all there is widespread use in fields such as 3-D display.Mainly can be divided into two big types of zoom lens according to zoom principle difference: the first kind realizes zoom through the geometric parameters such as radius-of-curvature that change lens, like Membrane lens, Surface-tension lens etc.; Second type of refractive index through the change lens material realizes zoom, mainly comprises liquid-crystal zoom lens etc.
With respect to first kind zoom lens, second type of zoom lens need not mechanical movement means and parts such as micromachine pump, micro servo motor, and the interference of environment is insensitive to external world, has advantages such as simple in structure, stable performance.Be considered to one of zoom lens technology of tool prospect.
Based on the zoom lens of liquid crystal, utilize the birefringenct property of liquid crystal material, change the orientation of liquid crystal molecule through impressed voltage, thereby change the refractive index of liquid crystal material, finally realize zoom.Utilize liquid crystal to realize that the technology report of zoom includes: Jap.P. JP 52-32348 and JP 61-4586, United States Patent (USP) U.S. Patent 4,190,330 and U.S. Patent 4,037,929 etc. in early days.This type zoom lens adopt the spherical lens of conduction and conducting plate glass to form liquid crystal cell and in liquid crystal cell, fill the capacity liquid crystal usually, utilize refraction principle to realize focusing on and zoom.The bore of this type refractive zoom lens is little, response speed is slow, transmittance is low.
Jap.P. JP 60-50510 discloses a kind of liquid-crystal zoom lens based on the continuous surface type Fresnel lens; Alleviate the problem that above-mentioned refractive zoom lens exist to a certain extent, but still existed the liquid crystal response speed of zone line and fringe region inconsistent; There are problems such as interference of stray light.United States Patent (USP) U.S. Patent 4,904,063 has proposed the liquid-crystal zoom lens based on the continuous surface type fresnel lens structure of two kinds of optimizations.But this zoom lens structure exists still that response speed is slow, difficulty of processing is big, is unfavorable for problems such as liquid crystal molecule aligns.
United States Patent (USP) U.S. Patent 4,909,626, U.S. Patent application U.S. Patent Application 2006/0164593 A1 etc. disclose the liquid-crystal zoom lens based on plane Fresnel circular ring type electrode structure.This structure has been improved aligning of liquid crystal molecule, and the difficulty of kind electrode is big, cost is high, is not suitable for batch making but make, and also there are problems such as aberration, diffraction efficiency are low in this lens arrangement.
Summary of the invention
Goal of the invention of the present invention provides a kind of humorous diffraction type liquid-crystal zoom lens and array thereof, utilizes humorous diffraction structure to realize zoom, and the liquid-crystal zoom lens response speed is slow in the prior art, difficulty of processing big to solve, have problem such as aberration.
For reaching the foregoing invention purpose; The technical scheme that the present invention adopts is: a kind of humorous diffraction type liquid-crystal zoom lens; Comprise liquid crystal cell, be filled in liquid crystal and electric control gear in the liquid crystal cell; Said liquid crystal cell is by first substrate, second substrate and connect first substrate and the sept of second substrate constitutes, and the inside surface of first substrate and second substrate is respectively equipped with conductive layer, on the conductive layer of at least one substrate, is coated with oriented layer; It is characterized in that: wherein the inside surface of at least one substrate has humorous diffraction lens structure, and said humorous diffraction lens structure satisfies humorous diffraction conditions.
In the preceding text, said oriented layer is a prior art, and its effect is that liquid crystal molecule is arranged by specific direction.Oriented layer is the skim macromolecule organic normally, and through friction treatment; Also can be through preparing with the vacuum evaporation silicon oxide film at a certain angle at glass surface.Said electric control gear connects the conductive layer of two substrates, for zoom lens provide voltage signal, to change the refractive index of liquid crystal.
In the technique scheme, said humorous diffraction lens structure and liquid crystal form the focusing function of lens, and " the humorous diffraction conditions " that said humorous diffraction lens structure should satisfy are meant that the phase depth of diffraction lens is 2
Pπ, wherein
PBe the humorous order of diffraction time, value is greater than 1 integer.Those skilled in the art can confirm the condition that humorous diffraction lens structure of the present invention should meet according to the humorous diffraction conditions of common diffraction lens.In APPLIED OPTICS the 34th volume the 14th phase (May 10 nineteen ninety-five) 2469-2475 page or leaf disclosed " Harmonic diffractive lenses " literary composition, promptly the humorous diffraction conditions to diffraction lens are illustrated.
In the technique scheme, the focal length variations rule of said humorous diffraction type liquid-crystal zoom lens and array thereof satisfies the humorous diffraction law of lens.That is:
'
, wherein int [] representes rounding operation, wherein
FFocal length for humorous diffraction type liquid-crystal zoom lens;
PBe the humorous order of diffraction time;
f 0Be constant;
mIt is the order of diffraction of lens;
α LC The phase change factor that expression is caused by the variations in refractive index of liquid crystal, but value
, wherein
n ' LC (
V) be that the impressed voltage value does
VThe time liquid crystal material refractive index,
n 0Be that impressed voltage is the refractive index of 0 o'clock liquid crystal material,
n pBe because the refractive index of the material of the zones of different that humorous diffraction lens structure forms; λ
0It is design wavelength.
In the technique scheme, said humorous diffraction type liquid-crystal zoom lens can use under single wavelength condition, also can under wideband light source, use, and can have the achromatic properties of humorous diffraction structure when under wideband light source, using.Those skilled in the art can confirm the condition that humorous diffraction lens structure of the present invention should meet according to the color difference eliminating rule of common humorous diffraction lens structure.
In the technique scheme, said humorous diffraction lens structure can be the continuous phase structure, also can be the discrete phase ledge structure.
A kind of humorous diffraction type liquid-crystal zoom lens array adopts above-mentioned humorous diffraction type liquid-crystal zoom lens as lens unit, and each lens unit is arranged forming array.
Said lens unit can be by perpendicular array, hexagon honeycomb arrangement, random alignment or other arrangement mode forming array.
According to concrete making situation, first substrate of the liquid crystal cell of each lens unit connects as one structure mutually, and each second substrate connects as one structure mutually.Perhaps, the liquid crystal cell of each lens unit is lined up array for dividing body structure after making respectively.
Each lens unit in the array can adopt electric control gear control separately respectively, to realize the zoom of any lens unit, also can adopt same electric control gear to carry out integral body control, realizes the whole zoom of lens arra.
Because the technique scheme utilization, the present invention compared with prior art has advantage:
1. the liquid-crystal zoom lens that the present invention is based on humorous diffraction structure is followed humorous diffraction law and is carried out zoom, and this other lens of zoom mode can't be realized.
2. the present invention is provided with the structure of humorous diffraction type liquid-crystal zoom lens on substrate, helps accurately controlling the thickness of liquid crystal layer, helps the arrangement of liquid crystal molecule, reduces the response time of zoom lens, and can realize achromatism.
3. the present invention adopts humorous diffraction structure, helps the processing of zoom lens and duplicates.
Description of drawings
Fig. 1 is the side diagrammatic cross-section of embodiment one.
Fig. 2 is the side diagrammatic cross-section of the humorous diffraction lens phase structure of embodiment one.
Fig. 3 is the side diagrammatic cross-section of embodiment two.
Fig. 4 is the side diagrammatic cross-section of the humorous diffraction lens phase structure of embodiment two.
Fig. 5 is the vertical view of embodiment three humorous diffraction type liquid-crystal zoom lens array structures.
Wherein, 1, liquid crystal cell; 2, liquid crystal; 3, electric control gear; 4, first substrate; 5, second substrate; 6, sept; 7, humorous diffraction lens structure; 8, conductive layer; 9, oriented layer.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment one: shown in accompanying drawing 1 to accompanying drawing 2; Fig. 1 is by liquid crystal cell in the present embodiment; Liquid crystal, the side diagrammatic cross-section of the humorous diffraction type liquid-crystal zoom lens that electric control gear constitutes, the inside surface of a substrate of said liquid crystal cell has the humorous diffraction lens structure of relief type discrete phase.Fig. 2 is the side diagrammatic cross-section of the phase structure of humorous diffraction lens in the present embodiment.
The humorous diffraction type liquid-crystal zoom lens of present embodiment; Comprise liquid crystal cell 1, liquid crystal 2, electric control gear 3; Said liquid crystal cell comprises first substrate 4, second substrate 5, sept 6, and said liquid crystal 2 is filled in liquid crystal cell 1 volume inside, and said electric control gear 3 connects first substrate 4 and second substrates 5; Has the humorous diffraction lens structure 7 of discrete phase on the inside surface of said first substrate 4; The said humorous diffraction structure surface and the second substrate inside surface are coated with conductive layer 8, cover one deck oriented layer 9 on the conductive layer of said second substrate, are used for the orientation of liquid crystal molecule.
The PHASE DISTRIBUTION of the humorous diffraction lens structure 7 of the discrete phase described in the present embodiment satisfies structure shown in Figure 2, and wherein P is that the humorous order of diffraction is inferior, and P is greater than 1.The humorous diffraction lens structure of discrete phase is a kind of in the humorous diffraction lens structure, and humorous diffraction lens structure according to the invention adopts the humorous diffraction lens structure of discrete phase, but is not limited thereto.
Embodiment two: shown in accompanying drawing 3 to accompanying drawing 4; Fig. 3 is by liquid crystal cell in the present embodiment; Liquid crystal, the side diagrammatic cross-section of the humorous diffraction type liquid-crystal zoom lens that electric control gear constitutes, the inside surface of a substrate of said liquid crystal cell has the humorous diffraction lens structure of continuous phase.Fig. 4 is the side diagrammatic cross-section of the phase structure of humorous diffraction lens in the present embodiment.
The humorous diffraction type liquid-crystal zoom lens of present embodiment; Comprise liquid crystal cell 1, liquid crystal 2, electric control gear 3; Said liquid crystal cell comprises first substrate 4, second substrate 5, sept 6, and said liquid crystal 2 is filled in liquid crystal cell 1 volume inside, and said electric control gear 3 connects first substrate 4 and second substrates 5; The humorous diffraction lens structure 7 that has continuous phase on the inside surface of said first substrate 4; The said humorous diffraction structure surface and the second substrate inside surface are coated with conductive layer 8, cover one deck oriented layer 9 on the conductive layer of said second substrate, are used for the orientation of liquid crystal molecule.
The phase place of the humorous diffraction lens structure 7 of the continuous phase described in the present embodiment satisfies structure shown in Figure 2, and wherein P is that the humorous order of diffraction is inferior, and P is greater than 1.Humorous diffraction lens structure with continuous phase is a kind of in the humorous diffraction structure, and humorous diffraction lens structure according to the invention adopts the humorous diffraction lens structure of continuous phase, but is not limited thereto.
Embodiment three: shown in accompanying drawing 5, Fig. 5 is the schematic top plan view of the humorous diffraction type liquid-crystal zoom lens array that constitutes of array, liquid crystal, the electric control gear be made up of liquid crystal cell in the present embodiment.
The humorous diffraction type liquid-crystal zoom lens array of present embodiment comprises the liquid crystal cell array of being made up of a plurality of liquid crystal cell 1 perpendicular array, liquid crystal 2, electric control gear 3.Said liquid crystal cell array comprises two substrates and sept; Said substrate has at least the inside surface of a substrate to have humorous diffraction lens structure; Shown in the unit figure that said liquid crystal cell array is formed is perpendicular array, also can adopt hexagon honeycomb arrangement, random alignment or the like.Said electric control gear can be controlled respectively any lens unit, realizes the zoom of any lens unit, also can control lens arra integral body, realizes the whole zoom of lens arra.
Humorous diffraction lens structure described in the present embodiment satisfies humorous diffraction conditions.
Claims (10)
1. humorous diffraction type liquid-crystal zoom lens; Comprise liquid crystal cell, be filled in liquid crystal and electric control gear in the liquid crystal cell; Said liquid crystal cell is by first substrate, second substrate and connect first substrate and the sept of second substrate constitutes; The inside surface of first substrate and second substrate is respectively equipped with conductive layer; On the conductive layer of at least one substrate, be coated with oriented layer, it is characterized in that: wherein the inside surface of at least one substrate has humorous diffraction lens structure, and said humorous diffraction lens structure satisfies humorous diffraction conditions.
2. humorous diffraction type liquid-crystal zoom lens according to claim 1 is characterized in that: the humorous diffraction conditions that humorous diffraction lens structure satisfies are meant that the phase depth of diffraction lens is 2P π, and wherein P is the humorous order of diffraction time, and value is greater than 1 integer.
3. humorous diffraction type liquid-crystal zoom lens according to claim 1 is characterized in that: said humorous diffraction lens structure is the continuous phase structure.
4. humorous diffraction type liquid-crystal zoom lens according to claim 1 is characterized in that: said humorous diffraction lens structure is the discrete phase ledge structure.
5. humorous diffraction type liquid-crystal zoom lens array is characterized in that: adopt that any humorous diffraction type liquid-crystal zoom lens is as lens unit in the claim 1 to 4, each lens unit is arranged forming array.
6. humorous diffraction type liquid-crystal zoom lens array according to claim 5 is characterized in that: each lens unit in the array adopts electric control gear control separately respectively, perhaps adopts same electric control gear to carry out integral body control.
7. humorous diffraction type liquid-crystal zoom lens array according to claim 5 is characterized in that: said lens unit is by the perpendicular array forming array.
8. humorous diffraction type liquid-crystal zoom lens array according to claim 5, it is characterized in that: said lens unit is pressed hexagon honeycomb arrangement forming array.
9. humorous diffraction type liquid-crystal zoom lens array according to claim 5 is characterized in that: said lens unit is by the random alignment forming array.
10. humorous diffraction type liquid-crystal zoom lens array according to claim 5, it is characterized in that: first substrate of the liquid crystal cell of each lens unit connects as one structure mutually, and each second substrate connects as one structure mutually.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866556A (en) * | 2012-09-29 | 2013-01-09 | 苏州大学 | Liquid crystal zoom lens and zoom control method thereof |
| CN106896546A (en) * | 2017-03-10 | 2017-06-27 | 上海交通大学 | A kind of method for improving nematic liquid crystal optical modulation device diffraction efficiency |
| CN107329309A (en) * | 2017-06-29 | 2017-11-07 | 京东方科技集团股份有限公司 | Display pattern control device and its control method, display device |
| CN109116581A (en) * | 2018-08-28 | 2019-01-01 | 杭州电子科技大学 | A kind of humorous diffraction Alvarez zoom intelligent glasses |
| CN109143426A (en) * | 2018-09-19 | 2019-01-04 | 苏州大学 | A kind of phase coding Fresnel Lenses |
| CN111025435A (en) * | 2019-12-27 | 2020-04-17 | 中国兵器装备研究院 | Variable-focus superlens based on polymer network liquid crystal and preparation method thereof |
| RU2725680C1 (en) * | 2019-11-14 | 2020-07-03 | Самсунг Электроникс Ко., Лтд. | Method of producing a tunable achromatic lens |
| CN111399262A (en) * | 2020-04-27 | 2020-07-10 | 南京南辉智能光学感控研究院有限公司 | Adjustable terahertz lens and preparation method and application thereof |
| US10848740B2 (en) | 2018-11-27 | 2020-11-24 | Shanghai Tianma Micro-electronics Co., Ltd. | Three-dimensional display device and display method |
| CN113081715A (en) * | 2021-04-08 | 2021-07-09 | 合肥京东方卓印科技有限公司 | Vision correction instrument |
| WO2021196998A1 (en) * | 2020-04-01 | 2021-10-07 | 京东方科技集团股份有限公司 | Fresnel liquid crystal lens structure and display device |
| US11921399B2 (en) | 2019-11-14 | 2024-03-05 | Samsung Electronics Co., Ltd. | Optical device comprising achromatic phase doublet, and method for driving optical device with reduced chromatic aberration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989440A (en) * | 2004-07-20 | 2007-06-27 | 旭硝子株式会社 | Liquid crystal lens element and optical head device |
| CN101059600A (en) * | 2007-05-29 | 2007-10-24 | 东南大学 | Zoom lens three-D display |
| JP2010204447A (en) * | 2009-03-04 | 2010-09-16 | Citizen Holdings Co Ltd | Liquid crystal optical element |
-
2012
- 2012-06-18 CN CN2012102008225A patent/CN102692781A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989440A (en) * | 2004-07-20 | 2007-06-27 | 旭硝子株式会社 | Liquid crystal lens element and optical head device |
| CN101059600A (en) * | 2007-05-29 | 2007-10-24 | 东南大学 | Zoom lens three-D display |
| JP2010204447A (en) * | 2009-03-04 | 2010-09-16 | Citizen Holdings Co Ltd | Liquid crystal optical element |
Non-Patent Citations (1)
| Title |
|---|
| 楼益民: "基于激光直写技术的微光学器件的研究", 《中国博士学位论文全文数据库信息科技辑》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866556A (en) * | 2012-09-29 | 2013-01-09 | 苏州大学 | Liquid crystal zoom lens and zoom control method thereof |
| CN106896546A (en) * | 2017-03-10 | 2017-06-27 | 上海交通大学 | A kind of method for improving nematic liquid crystal optical modulation device diffraction efficiency |
| CN106896546B (en) * | 2017-03-10 | 2019-12-06 | 上海交通大学 | method for improving diffraction efficiency of nematic liquid crystal light modulation device |
| CN107329309A (en) * | 2017-06-29 | 2017-11-07 | 京东方科技集团股份有限公司 | Display pattern control device and its control method, display device |
| US10969616B2 (en) | 2017-06-29 | 2021-04-06 | Boe Technology Group Co., Ltd. | Display mode controlling device, controlling method thereof and display device |
| CN107329309B (en) * | 2017-06-29 | 2020-11-03 | 京东方科技集团股份有限公司 | Display mode control device, control method thereof and display device |
| CN109116581A (en) * | 2018-08-28 | 2019-01-01 | 杭州电子科技大学 | A kind of humorous diffraction Alvarez zoom intelligent glasses |
| CN109143426A (en) * | 2018-09-19 | 2019-01-04 | 苏州大学 | A kind of phase coding Fresnel Lenses |
| US10848740B2 (en) | 2018-11-27 | 2020-11-24 | Shanghai Tianma Micro-electronics Co., Ltd. | Three-dimensional display device and display method |
| RU2725680C1 (en) * | 2019-11-14 | 2020-07-03 | Самсунг Электроникс Ко., Лтд. | Method of producing a tunable achromatic lens |
| US11921399B2 (en) | 2019-11-14 | 2024-03-05 | Samsung Electronics Co., Ltd. | Optical device comprising achromatic phase doublet, and method for driving optical device with reduced chromatic aberration |
| CN111025435A (en) * | 2019-12-27 | 2020-04-17 | 中国兵器装备研究院 | Variable-focus superlens based on polymer network liquid crystal and preparation method thereof |
| WO2021196998A1 (en) * | 2020-04-01 | 2021-10-07 | 京东方科技集团股份有限公司 | Fresnel liquid crystal lens structure and display device |
| CN111399262A (en) * | 2020-04-27 | 2020-07-10 | 南京南辉智能光学感控研究院有限公司 | Adjustable terahertz lens and preparation method and application thereof |
| CN111399262B (en) * | 2020-04-27 | 2023-10-31 | 南京南辉智能光学感控研究院有限公司 | Adjustable terahertz lens and preparation method and application thereof |
| CN113081715A (en) * | 2021-04-08 | 2021-07-09 | 合肥京东方卓印科技有限公司 | Vision correction instrument |
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Application publication date: 20120926 |