DE3535391A1 - Fluessigkristall-lichtmodulationsvorrichtung - Google Patents
Fluessigkristall-lichtmodulationsvorrichtungInfo
- Publication number
- DE3535391A1 DE3535391A1 DE19853535391 DE3535391A DE3535391A1 DE 3535391 A1 DE3535391 A1 DE 3535391A1 DE 19853535391 DE19853535391 DE 19853535391 DE 3535391 A DE3535391 A DE 3535391A DE 3535391 A1 DE3535391 A1 DE 3535391A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- liquid crystal
- diffraction grating
- modulation device
- light modulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 220
- 239000000758 substrate Substances 0.000 claims description 113
- 230000005684 electric field Effects 0.000 claims description 51
- 230000000903 blocking effect Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 31
- 239000012212 insulator Substances 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000031700 light absorption Effects 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 43
- 238000004519 manufacturing process Methods 0.000 description 24
- 229920002120 photoresistant polymer Polymers 0.000 description 24
- 238000000034 method Methods 0.000 description 22
- 230000004907 flux Effects 0.000 description 21
- 230000002159 abnormal effect Effects 0.000 description 20
- 230000003595 spectral effect Effects 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 230000003068 static effect Effects 0.000 description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- 238000005259 measurement Methods 0.000 description 14
- 229920005989 resin Polymers 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 230000004044 response Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 8
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000149 argon plasma sintering Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 238000007733 ion plating Methods 0.000 description 6
- 239000012299 nitrogen atmosphere Substances 0.000 description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 5
- 239000005304 optical glass Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 238000013519 translation Methods 0.000 description 5
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000011094 fiberboard Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 239000005041 Mylar™ Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005566 electron beam evaporation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical class CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 229910018516 Al—O Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 101100285518 Drosophila melanogaster how gene Proteins 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133371—Cells with varying thickness of the liquid crystal layer
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
- G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/22—Function characteristic diffractive
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59207742A JPS6186731A (ja) | 1984-10-03 | 1984-10-03 | 液晶素子 |
| JP20925984A JPS6186728A (ja) | 1984-10-04 | 1984-10-04 | 光スイツチ |
| JP20925784A JPS6186727A (ja) | 1984-10-04 | 1984-10-04 | 光制御素子 |
| JP20926084A JPS6186724A (ja) | 1984-10-04 | 1984-10-04 | グレ−テイング型光制御素子 |
| JP59209258A JPS6186730A (ja) | 1984-10-04 | 1984-10-04 | 液晶素子 |
| JP20925684A JPS6186736A (ja) | 1984-10-04 | 1984-10-04 | 色フイルタ−素子 |
| JP59256890A JPS61134734A (ja) | 1984-12-05 | 1984-12-05 | 光学装置 |
| JP25857184A JPS61137126A (ja) | 1984-12-07 | 1984-12-07 | 光スイツチ |
| JP1050285A JPS61169818A (ja) | 1985-01-23 | 1985-01-23 | 光変調装置 |
| JP1050385A JPS61169819A (ja) | 1985-01-23 | 1985-01-23 | 光変調装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3535391A1 true DE3535391A1 (de) | 1986-04-03 |
| DE3535391C2 DE3535391C2 (enExample) | 1990-05-17 |
Family
ID=27579604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853535391 Granted DE3535391A1 (de) | 1984-10-03 | 1985-10-03 | Fluessigkristall-lichtmodulationsvorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4729640A (enExample) |
| DE (1) | DE3535391A1 (enExample) |
| GB (1) | GB2166562B (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2679048A1 (fr) * | 1991-07-12 | 1993-01-15 | Thomson Csf | Modulateur electrooptique. |
| DE4238581A1 (en) * | 1991-11-20 | 1993-05-27 | Wolf Henning | Optical variable diffraction grating using controlled opto-electrical elements - uses liquid crystal cell with meandering electrode line structure applied to substrate plate providing line pattern |
| US5299037A (en) * | 1985-08-07 | 1994-03-29 | Canon Kabushiki Kaisha | Diffraction grating type liquid crystal display device in viewfinder |
| US11402510B2 (en) | 2020-07-21 | 2022-08-02 | Leddartech Inc. | Systems and methods for wide-angle LiDAR using non-uniform magnification optics |
| US11422266B2 (en) | 2020-07-21 | 2022-08-23 | Leddartech Inc. | Beam-steering devices and methods for LIDAR applications |
| US12066576B2 (en) | 2020-07-21 | 2024-08-20 | Leddartech Inc. | Beam-steering device particularly for lidar systems |
Families Citing this family (134)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3605516A1 (de) * | 1985-02-21 | 1986-09-04 | Canon K.K., Tokio/Tokyo | Optisches funktionselement sowie optische funktionsvorrichtung |
| DE3627113A1 (de) * | 1985-08-07 | 1987-02-19 | Canon Kk | Anzeigevorrichtung in einem sucher |
| GB2184560B (en) * | 1985-12-18 | 1990-06-20 | Gen Electric Plc | Apparatus for deflecting a beam of light |
| US4822146A (en) * | 1986-04-07 | 1989-04-18 | Canon Kabushiki Kaisha | Optical modulation element |
| US4850681A (en) * | 1986-04-07 | 1989-07-25 | Canon Kabushiki Kaisha | Optical modulation device |
| US5148302A (en) * | 1986-04-10 | 1992-09-15 | Akihiko Nagano | Optical modulation element having two-dimensional phase type diffraction grating |
| US4850682A (en) * | 1986-07-14 | 1989-07-25 | Advanced Environmental Research Group | Diffraction grating structures |
| US5122888A (en) * | 1987-07-10 | 1992-06-16 | Canon Kabushiki Kaisha | Focusing plate having phase grating formed by using liquid crystal |
| US4848877A (en) * | 1987-09-29 | 1989-07-18 | Cambridge Research And Instrumentation, Inc. | Liquid crystal devices and systems using such devices |
| US5115423A (en) * | 1988-01-07 | 1992-05-19 | Ricoh Company, Ltd. | Optomagnetic recording/reproducing apparatus |
| US5002369A (en) * | 1988-01-11 | 1991-03-26 | Canon Kabushiki Kaisha | Nonlinear optical element having electrodes on two side surfaces of nonlinear medium through insulating layers |
| KR940004570B1 (ko) * | 1988-08-05 | 1994-05-25 | 마쓰시다 덴끼 산교오 가부시기가이샤 | 가변 초점 장치 |
| FR2639460B1 (fr) * | 1988-11-21 | 1993-05-21 | Ricoh Kk | Appareil d'enregistrement/reproduction optique |
| US5198912A (en) * | 1990-01-12 | 1993-03-30 | Polaroid Corporation | Volume phase hologram with liquid crystal in microvoids between fringes |
| CA2056313C (en) * | 1990-11-28 | 1998-09-29 | Nobuo Minoura | Scattering type liquid crystal device |
| JP2656666B2 (ja) * | 1990-12-27 | 1997-09-24 | キヤノン株式会社 | 投射型表示装置 |
| JPH05150244A (ja) * | 1991-02-20 | 1993-06-18 | Canon Inc | 強誘電液晶素子 |
| US5299289A (en) * | 1991-06-11 | 1994-03-29 | Matsushita Electric Industrial Co., Ltd. | Polymer dispersed liquid crystal panel with diffraction grating |
| US5371617A (en) * | 1991-10-15 | 1994-12-06 | Canon Kabushiki Kaisha | Liquid crystal projector with one modulator including a member for preventing light from another modulator from entering the one |
| JPH0777031B2 (ja) * | 1991-10-16 | 1995-08-16 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 収差補償装置 |
| US6559903B2 (en) | 1991-11-27 | 2003-05-06 | Reveo, Inc. | Non-absorptive electro-optical glazing structure employing composite infrared reflective polarizing filter |
| JPH05264972A (ja) * | 1992-03-18 | 1993-10-15 | Canon Inc | 表示素子および表示装置 |
| JP3194503B2 (ja) * | 1992-06-04 | 2001-07-30 | キヤノン株式会社 | 化合物半導体装置及びその製造方法 |
| US5526147A (en) * | 1992-06-29 | 1996-06-11 | Matsushita Electric Industrial Co., Ltd. | Polymer dispersed liquid crystal projector with diffraction gratings along liquid crystal electrodes, a variable diaphragm, and an anamorphic lens |
| US5486940A (en) * | 1993-06-17 | 1996-01-23 | Optical Shields, Inc. | Liquid crystal light polarizer and method |
| JP3273583B2 (ja) * | 1993-07-28 | 2002-04-08 | 日本電信電話株式会社 | 液晶マイクロプリズムアレイ及びそれを用いた空間光ビーム接続器と光スイッチ |
| US5686975A (en) * | 1993-10-18 | 1997-11-11 | Stereographics Corporation | Polarel panel for stereoscopic displays |
| US5483254A (en) * | 1993-12-28 | 1996-01-09 | Dimensional Displays Inc. | 3D video display devices |
| US5581405A (en) * | 1993-12-29 | 1996-12-03 | Eastman Kodak Company | Hybrid refractive/diffractive achromatic camera lens and camera using such |
| GB9402516D0 (en) * | 1994-02-09 | 1994-03-30 | Secr Defence | Liquid crystal device alignment |
| GB9402517D0 (en) * | 1994-02-09 | 1994-03-30 | Secr Defence | Ferroelectric liquid crystal alignment |
| GB9402492D0 (en) * | 1994-02-09 | 1994-03-30 | Secr Defence | Liquid crystal device alignment |
| US5488597A (en) * | 1994-04-19 | 1996-01-30 | Alan G. Chen | Multilayer optical memory with means for recording and reading information |
| US5485015A (en) * | 1994-08-25 | 1996-01-16 | The United States Of America As Represented By The Secretary Of The Army | Quantum grid infrared photodetector |
| DE69513992T2 (de) * | 1994-09-27 | 2000-07-27 | Minnesota Mining & Mfg | Folie zur luminanzsteuerung |
| JP3836140B2 (ja) * | 1995-02-28 | 2006-10-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 電気光学装置 |
| US5949503A (en) * | 1995-06-22 | 1999-09-07 | Nikon Corporation | Reflective liquid crystal spatial light modulator and projection apparatus comprising same |
| EP0778956B1 (en) * | 1995-06-29 | 2003-09-24 | Koninklijke Philips Electronics N.V. | Polarizing element |
| US6157488A (en) * | 1995-08-29 | 2000-12-05 | Olympus Optical Company Ltd. | Diffractive optical element |
| US6781756B1 (en) * | 1995-08-29 | 2004-08-24 | Olympus Corporation | Diffractive optical element |
| EP1798592A3 (en) * | 1996-01-17 | 2007-09-19 | Nippon Telegraph And Telephone Corporation | Optical device and three-dimensional display device |
| US5930044A (en) * | 1997-01-09 | 1999-07-27 | U.S. Philips Corporation | Deflecting element having a switchable liquid crystalline material |
| US6144495A (en) * | 1997-12-23 | 2000-11-07 | Canon Kabushiki Kaisha | Projection light source |
| US6169594B1 (en) * | 1998-08-24 | 2001-01-02 | Physical Optics Corporation | Beam deflector and scanner |
| US6761959B1 (en) * | 1999-07-08 | 2004-07-13 | Flex Products, Inc. | Diffractive surfaces with color shifting backgrounds |
| US6707518B1 (en) | 1999-07-12 | 2004-03-16 | Coho Holdings, Llc | Electro-optic device allowing wavelength tuning |
| US7167615B1 (en) | 1999-11-05 | 2007-01-23 | Board Of Regents, The University Of Texas System | Resonant waveguide-grating filters and sensors and methods for making and using same |
| JP3524831B2 (ja) * | 1999-12-15 | 2004-05-10 | シャープ株式会社 | 反射型および透過型液晶表示装置 |
| US6961490B2 (en) * | 2000-01-27 | 2005-11-01 | Unaxis-Balzers Aktiengesellschaft | Waveguide plate and process for its production and microtitre plate |
| US6479811B1 (en) | 2000-03-06 | 2002-11-12 | Eastman Kodak Company | Method and system for calibrating a diffractive grating modulator |
| US20010050815A1 (en) * | 2000-04-28 | 2001-12-13 | Jun Ishihara | Light separation device, blazed grating device, diffraction grating device, and illumination optical system |
| US6546163B2 (en) * | 2000-10-09 | 2003-04-08 | John I. Thackara | Planar waveguide switch and optical cross-connect |
| DE60120079T8 (de) * | 2000-10-31 | 2007-06-28 | Dainippon Screen Mfg. Co., Ltd. | Laserbestrahlungsgerät und Bildaufzeichnungsgerät |
| US6635941B2 (en) | 2001-03-21 | 2003-10-21 | Canon Kabushiki Kaisha | Structure of semiconductor device with improved reliability |
| US6873380B2 (en) * | 2001-07-12 | 2005-03-29 | Intel Corporation | Providing optical elements over emissive displays |
| US7027226B2 (en) * | 2001-09-17 | 2006-04-11 | Euv Llc | Diffractive optical element for extreme ultraviolet wavefront control |
| EP1324110B1 (fr) * | 2001-12-24 | 2010-06-02 | EM Microelectronic-Marin SA | Cellule à cristaux liquides comportant au moins deux réseaux de diffraction, notamment pour un diviseur de faisceau optique |
| US6924870B1 (en) | 2002-04-30 | 2005-08-02 | Kent State University | Liquid crystal on silicon diffractive light valve |
| US20030231151A1 (en) * | 2002-06-17 | 2003-12-18 | Barlow James E. | Apparatus and method for light enhancing |
| AU2003272987A1 (en) * | 2002-10-15 | 2004-05-04 | Sharp Kabushiki Kaisha | Parallax barrier element, method of producing the same, and display device |
| EP1416369A3 (en) * | 2002-10-16 | 2008-07-09 | Alps Electric Co., Ltd. | Transparent coordinate input device |
| JPWO2004086389A1 (ja) * | 2003-03-27 | 2006-06-29 | 農工大ティー・エル・オー株式会社 | 波面収差補正装置及びこれを備えた光ピックアップ装置 |
| US6917456B2 (en) * | 2003-12-09 | 2005-07-12 | Hewlett-Packard Development Company, L.P. | Light modulator |
| US6972827B2 (en) * | 2003-12-19 | 2005-12-06 | Eastman Kodak Company | Transflective film and display |
| TW200529371A (en) * | 2004-02-20 | 2005-09-01 | Hon Hai Prec Ind Co Ltd | A manufacturing method of a stamper |
| JP2006023621A (ja) * | 2004-07-09 | 2006-01-26 | Konica Minolta Holdings Inc | 光学素子の成形方法及び光学素子 |
| KR101098202B1 (ko) * | 2004-07-29 | 2011-12-23 | 아사히 가라스 가부시키가이샤 | 편광성 회절형 필터 및 적층 편광성 회절형 필터 |
| US7492439B1 (en) * | 2004-09-21 | 2009-02-17 | The University Of Rochester | Liquid crystal devices especially for use in liquid crystal point diffraction interferometer systems |
| US7382522B2 (en) * | 2005-04-29 | 2008-06-03 | Hewlett-Packard Development Company, L.P. | Grooved substrate |
| JP5011676B2 (ja) * | 2005-08-12 | 2012-08-29 | 株式会社日立製作所 | 表示装置を備える機器 |
| GB0522968D0 (en) | 2005-11-11 | 2005-12-21 | Popovich Milan M | Holographic illumination device |
| US7477206B2 (en) * | 2005-12-06 | 2009-01-13 | Real D | Enhanced ZScreen modulator techniques |
| GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
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| US5299037A (en) * | 1985-08-07 | 1994-03-29 | Canon Kabushiki Kaisha | Diffraction grating type liquid crystal display device in viewfinder |
| FR2679048A1 (fr) * | 1991-07-12 | 1993-01-15 | Thomson Csf | Modulateur electrooptique. |
| DE4238581A1 (en) * | 1991-11-20 | 1993-05-27 | Wolf Henning | Optical variable diffraction grating using controlled opto-electrical elements - uses liquid crystal cell with meandering electrode line structure applied to substrate plate providing line pattern |
| US11402510B2 (en) | 2020-07-21 | 2022-08-02 | Leddartech Inc. | Systems and methods for wide-angle LiDAR using non-uniform magnification optics |
| US11422266B2 (en) | 2020-07-21 | 2022-08-23 | Leddartech Inc. | Beam-steering devices and methods for LIDAR applications |
| US11474253B2 (en) | 2020-07-21 | 2022-10-18 | Leddartech Inc. | Beam-steering devices and methods for LIDAR applications |
| US11543533B2 (en) | 2020-07-21 | 2023-01-03 | Leddartech Inc. | Systems and methods for wide-angle LiDAR using non-uniform magnification optics |
| US11828853B2 (en) | 2020-07-21 | 2023-11-28 | Leddartech Inc. | Beam-steering device particularly for LIDAR systems |
| US12066576B2 (en) | 2020-07-21 | 2024-08-20 | Leddartech Inc. | Beam-steering device particularly for lidar systems |
| US12392902B2 (en) | 2020-07-21 | 2025-08-19 | Leddartech Inc. | Beam-steering device particularly for LIDAR systems |
| US12468038B2 (en) | 2020-07-21 | 2025-11-11 | Leddartech Inc. | Systems and methods for wide-angle LiDAR using non-uniform magnification optics |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2166562A (en) | 1986-05-08 |
| GB2166562B (en) | 1989-05-24 |
| GB8524445D0 (en) | 1985-11-06 |
| DE3535391C2 (enExample) | 1990-05-17 |
| US4729640A (en) | 1988-03-08 |
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