DE69226998T2 - Optisches Modulationselement und Vorrichtungen mit einem solchen Element - Google Patents
Optisches Modulationselement und Vorrichtungen mit einem solchen ElementInfo
- Publication number
- DE69226998T2 DE69226998T2 DE69226998T DE69226998T DE69226998T2 DE 69226998 T2 DE69226998 T2 DE 69226998T2 DE 69226998 T DE69226998 T DE 69226998T DE 69226998 T DE69226998 T DE 69226998T DE 69226998 T2 DE69226998 T2 DE 69226998T2
- Authority
- DE
- Germany
- Prior art keywords
- devices
- optical modulation
- modulation element
- optical
- 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.)
- Expired - Lifetime
Links
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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
- G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133533—Colour selective polarisers
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1392—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using a field-induced sign-reversal of the dielectric anisotropy
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3179897A JP2801433B2 (ja) | 1991-07-19 | 1991-07-19 | 光変調素子およびそれを用いるカラー電子装置 |
| JP17989691A JPH0527253A (ja) | 1991-07-19 | 1991-07-19 | 光変調素子およびそれを用いる電子装置 |
| JP3179898A JPH0527255A (ja) | 1991-07-19 | 1991-07-19 | 光変調素子およびそれを用いる電子装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69226998D1 DE69226998D1 (de) | 1998-10-22 |
| DE69226998T2 true DE69226998T2 (de) | 1999-04-15 |
Family
ID=27324778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69226998T Expired - Lifetime DE69226998T2 (de) | 1991-07-19 | 1992-07-17 | Optisches Modulationselement und Vorrichtungen mit einem solchen Element |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5642214A (de) |
| EP (1) | EP0528542B1 (de) |
| DE (1) | DE69226998T2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020203585A1 (de) | 2020-03-20 | 2021-09-23 | Zf Friedrichshafen Ag | Anordnung und Filter für Bildverarbeitung, computerimplementiertes Verfahren zum Steuern eines derartigen Filters, Steuergerät für einen Bildgebungssensor, Kamera zum Polarisieren von Licht und Steuerungssystem für ein Fahrzeug umfassend eine derartige Kamera |
Families Citing this family (173)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5751384A (en) * | 1995-05-23 | 1998-05-12 | The Board Of Regents Of The University Of Colorado | Color polarizers for polarizing an additive color spectrum along a first axis and it's compliment along a second axis |
| US6704065B1 (en) * | 1995-04-07 | 2004-03-09 | Colorlink, Inc. | Optical system for producing a modulated color image |
| US6388709B1 (en) * | 1995-04-21 | 2002-05-14 | Canon Kabushiki Kaisha | Image sensing apparatus with optical modulation elements having transmission characteristics controllable by pixel |
| GB9609737D0 (en) * | 1996-05-10 | 1996-07-17 | Barr & Stroud Ltd | Colour selective filters |
| US6379509B2 (en) | 1998-01-20 | 2002-04-30 | 3M Innovative Properties Company | Process for forming electrodes |
| JP3997602B2 (ja) * | 1998-05-13 | 2007-10-24 | ソニー株式会社 | 調光装置 |
| JP3493321B2 (ja) | 1999-07-21 | 2004-02-03 | シャープ株式会社 | 液晶表示装置 |
| JP2001133813A (ja) * | 1999-11-05 | 2001-05-18 | Fujitsu Ltd | 液晶表示装置 |
| KR100493868B1 (ko) * | 1999-11-26 | 2005-06-10 | 엘지.필립스 엘시디 주식회사 | 액정주입방법 |
| US7057700B2 (en) * | 2001-01-23 | 2006-06-06 | Ricoh Company, Ltd. | Light deflection element, light deflection device and image display device |
| US7230670B2 (en) * | 2001-10-05 | 2007-06-12 | Lg.Philips Lcd Co., Ltd. | Method for fabricating LCD |
| US6819391B2 (en) * | 2001-11-30 | 2004-11-16 | Lg. Philips Lcd Co., Ltd. | Liquid crystal display panel having dummy column spacer with opened portion |
| KR100685948B1 (ko) * | 2001-12-14 | 2007-02-23 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
| US7292304B2 (en) * | 2001-12-17 | 2007-11-06 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display panel and method for fabricating the same comprising a dummy column spacer to regulate a liquid crystal flow and a supplemental dummy column spacer formed substantially parallel and along the dummy column spacer |
| KR100652045B1 (ko) * | 2001-12-21 | 2006-11-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
| KR100685949B1 (ko) | 2001-12-22 | 2007-02-23 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
| KR100652046B1 (ko) * | 2001-12-22 | 2006-11-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
| US7362407B2 (en) * | 2002-02-01 | 2008-04-22 | Lg.Philips Lcd Co., Ltd. | Method of fabricating liquid crystal display device |
| KR100510718B1 (ko) * | 2002-02-04 | 2005-08-30 | 엘지.필립스 엘시디 주식회사 | 액정표시소자의 제조 장치 |
| KR100510719B1 (ko) * | 2002-02-05 | 2005-08-30 | 엘지.필립스 엘시디 주식회사 | 액정 표시 장치의 제조 방법 |
| JP2003233080A (ja) * | 2002-02-05 | 2003-08-22 | Lg Phillips Lcd Co Ltd | 合着装置及びこれを用いた液晶表示装置の製造方法 |
| KR100469353B1 (ko) * | 2002-02-06 | 2005-02-02 | 엘지.필립스 엘시디 주식회사 | 액정표시소자용 합착 장치 |
| KR100469354B1 (ko) * | 2002-02-06 | 2005-02-02 | 엘지.필립스 엘시디 주식회사 | 액정 표시 장치의 제조 방법 |
| US7410109B2 (en) | 2002-02-07 | 2008-08-12 | Lg Display Co., Ltd. | Liquid crystal dispensing apparatus with nozzle protecting device |
| KR100672640B1 (ko) * | 2002-02-07 | 2007-01-23 | 엘지.필립스 엘시디 주식회사 | Ｕｖ조사장치 및 그를 이용한 액정표시소자의 제조방법 |
| KR100817129B1 (ko) * | 2002-02-07 | 2008-03-27 | 엘지.필립스 엘시디 주식회사 | 액정 패널의 절단 장치 및 그 방법 |
| KR100789454B1 (ko) | 2002-02-09 | 2007-12-31 | 엘지.필립스 엘시디 주식회사 | 액정 패널의 절단 장치 및 그 방법 |
| KR100832292B1 (ko) * | 2002-02-19 | 2008-05-26 | 엘지디스플레이 주식회사 | 액정 패널의 절단 장치 |
| KR100469359B1 (ko) * | 2002-02-20 | 2005-02-02 | 엘지.필립스 엘시디 주식회사 | 액정표시소자용 합착 장치 |
| KR100789455B1 (ko) | 2002-02-20 | 2007-12-31 | 엘지.필립스 엘시디 주식회사 | 액정 패널의 절단 방법 |
| CN100385300C (zh) * | 2002-02-20 | 2008-04-30 | Lg.菲利浦Lcd株式会社 | 液晶显示器的制造方法 |
| KR100505180B1 (ko) * | 2002-02-20 | 2005-08-01 | 엘지.필립스 엘시디 주식회사 | 노즐세정장치를 구비한 액정적하장치 및 액정적하방법 |
| US6824023B2 (en) | 2002-02-20 | 2004-11-30 | Lg. Philips Lcd Co., Ltd. | Liquid crystal dispensing apparatus |
| KR100532083B1 (ko) * | 2002-02-20 | 2005-11-30 | 엘지.필립스 엘시디 주식회사 | 일체화된 니들시트를 가진 액정적하장치 |
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| US7006202B2 (en) * | 2002-02-21 | 2006-02-28 | Lg.Philips Lcd Co., Ltd. | Mask holder for irradiating UV-rays |
| KR100469360B1 (ko) * | 2002-02-22 | 2005-02-02 | 엘지.필립스 엘시디 주식회사 | 액정표시소자의 제조 장비용 진공 합착 장치 및 구동 방법 |
| US6864948B2 (en) | 2002-02-22 | 2005-03-08 | Lg.Philips Lcd Co., Ltd. | Apparatus for measuring dispensing amount of liquid crystal drops and method for manufacturing liquid crystal display device using the same |
| KR100741897B1 (ko) * | 2002-03-22 | 2007-07-24 | 엘지.필립스 엘시디 주식회사 | 가스 온도 조절 기능을 갖는 합착 장치 |
| US6712883B2 (en) * | 2002-02-25 | 2004-03-30 | Lg.Philips Lcd Co., Ltd. | Apparatus and method for deaerating liquid crystal |
| US6803984B2 (en) | 2002-02-25 | 2004-10-12 | Lg.Philips Lcd Co., Ltd. | Method and apparatus for manufacturing liquid crystal display device using serial production processes |
| US6774958B2 (en) | 2002-02-26 | 2004-08-10 | Lg.Philips Lcd Co., Ltd. | Liquid crystal panel, apparatus for inspecting the same, and method of fabricating liquid crystal display thereof |
| US8074551B2 (en) * | 2002-02-26 | 2011-12-13 | Lg Display Co., Ltd. | Cutting wheel for liquid crystal display panel |
| US6833901B2 (en) * | 2002-02-27 | 2004-12-21 | Lg. Philips Lcd Co., Ltd. | Method for fabricating LCD having upper substrate coated with sealant |
| KR100720414B1 (ko) * | 2002-02-27 | 2007-05-22 | 엘지.필립스 엘시디 주식회사 | 액정 표시 장치의 제조 방법 |
| KR100511352B1 (ko) | 2002-02-27 | 2005-08-31 | 엘지.필립스 엘시디 주식회사 | 액정적하장치 및 액정적하량 제어방법 |
| US6784970B2 (en) * | 2002-02-27 | 2004-08-31 | Lg.Philips Lcd Co., Ltd. | Method of fabricating LCD |
| US7270587B2 (en) * | 2002-03-05 | 2007-09-18 | Lg.Philips Lcd Co., Ltd. | Apparatus and method for manufacturing liquid crystal display devices, method for using the apparatus, and device produced by the method |
| KR100685951B1 (ko) * | 2002-03-06 | 2007-02-23 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 및 그 제조방법 |
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| KR100720415B1 (ko) | 2002-03-08 | 2007-05-22 | 엘지.필립스 엘시디 주식회사 | 액정표시소자 제조 공정용 반송 장치 |
| JP2003270652A (ja) | 2002-03-08 | 2003-09-25 | Lg Phillips Lcd Co Ltd | 液晶拡散制御装置及び液晶表示装置の製造方法 |
| US7416010B2 (en) * | 2002-03-08 | 2008-08-26 | Lg Display Co., Ltd. | Bonding apparatus and system for fabricating liquid crystal display device |
| KR100807587B1 (ko) * | 2002-03-09 | 2008-02-28 | 엘지.필립스 엘시디 주식회사 | 액정 패널의 절단 방법 |
| US7027122B2 (en) * | 2002-03-12 | 2006-04-11 | Lg.Philips Lcd Co., Ltd. | Bonding apparatus having compensating system for liquid crystal display device and method for manufacturing the same |
| US6892437B2 (en) | 2002-03-13 | 2005-05-17 | Lg. Philips Lcd Co., Ltd. | Apparatus and method for manufacturing liquid crystal display device |
| KR100817130B1 (ko) * | 2002-03-13 | 2008-03-27 | 엘지.필립스 엘시디 주식회사 | 액정 패널의 연마량 검출 패턴 및 이를 이용한 연마불량판단 방법 |
| US7102726B2 (en) | 2002-03-15 | 2006-09-05 | Lg. Philips Lcd Co., Ltd. | System for fabricating liquid crystal display and method of fabricating liquid crystal display using the same |
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| KR102261857B1 (ko) * | 2014-11-27 | 2021-06-07 | 삼성전자주식회사 | 이미지 센서 및 이를 적용한 이미지 획득 장치 및 방법 |
| CN106374170B (zh) * | 2016-11-29 | 2021-11-05 | 河北工业大学 | 一种液晶微波调制器件及其调制方法 |
| US10564504B2 (en) * | 2017-11-30 | 2020-02-18 | Palo Alto Research Center Incorporated | Liquid-crystal variable retarder using liquid crystal cells of differing thicknesses |
| US10379043B2 (en) | 2017-12-29 | 2019-08-13 | Palo Alto Research Center Incorporated | Measuring path delay through a liquid-crystal variable retarder at non-uniform retardance intervals |
| US10175116B1 (en) * | 2017-12-29 | 2019-01-08 | Palo Alto Research Center Incorporated | Color filter used with liquid-crystal polarization interferometer |
| US10983338B2 (en) | 2017-12-29 | 2021-04-20 | Palo Alto Research Center Incorporated | Exit-pupil expander used distribute light over a liquid-crystal variable retarder |
| US10663346B2 (en) | 2017-12-29 | 2020-05-26 | Palo Alto Research Center Incorporated | Method and apparatus for transforming uniformly or non-uniformly sampled interferograms to produce spectral data |
| KR102008249B1 (ko) * | 2018-06-25 | 2019-09-04 | 사이정보통신(주) | 자동 편광 조절 장치 및 방법 |
| US11586058B1 (en) * | 2022-04-12 | 2023-02-21 | National Central University | Continuously electronically controlled linear polarization rotator |
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| DE3221462A1 (de) * | 1981-06-18 | 1983-01-05 | F. Hoffmann-La Roche & Co AG, 4002 Basel | Fluessigkristallines gemisch |
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-
1992
- 1992-07-17 EP EP92306559A patent/EP0528542B1/de not_active Expired - Lifetime
- 1992-07-17 DE DE69226998T patent/DE69226998T2/de not_active Expired - Lifetime
-
1994
- 1994-07-05 US US08/270,801 patent/US5642214A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020203585A1 (de) | 2020-03-20 | 2021-09-23 | Zf Friedrichshafen Ag | Anordnung und Filter für Bildverarbeitung, computerimplementiertes Verfahren zum Steuern eines derartigen Filters, Steuergerät für einen Bildgebungssensor, Kamera zum Polarisieren von Licht und Steuerungssystem für ein Fahrzeug umfassend eine derartige Kamera |
Also Published As
| Publication number | Publication date |
|---|---|
| US5642214A (en) | 1997-06-24 |
| EP0528542A3 (en) | 1993-08-04 |
| DE69226998D1 (de) | 1998-10-22 |
| EP0528542B1 (de) | 1998-09-16 |
| EP0528542A2 (de) | 1993-02-24 |
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