DE2355752A1 - Elektrisch-optischer modulator - Google Patents

Elektrisch-optischer modulator

Info

Publication number
DE2355752A1
DE2355752A1 DE19732355752 DE2355752A DE2355752A1 DE 2355752 A1 DE2355752 A1 DE 2355752A1 DE 19732355752 DE19732355752 DE 19732355752 DE 2355752 A DE2355752 A DE 2355752A DE 2355752 A1 DE2355752 A1 DE 2355752A1
Authority
DE
Germany
Prior art keywords
liquid crystal
cell
light
intensity
voltage
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.)
Pending
Application number
DE19732355752
Other languages
German (de)
English (en)
Inventor
Teruyuki Kakeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE2355752A1 publication Critical patent/DE2355752A1/de
Pending legal-status Critical Current

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
    • G02F1/137—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
    • G02F1/1393—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 birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Digital Computer Display Output (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
DE19732355752 1972-11-16 1973-11-08 Elektrisch-optischer modulator Pending DE2355752A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11529972A JPS536858B2 (OSRAM) 1972-11-16 1972-11-16

Publications (1)

Publication Number Publication Date
DE2355752A1 true DE2355752A1 (de) 1974-06-06

Family

ID=14659185

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732355752 Pending DE2355752A1 (de) 1972-11-16 1973-11-08 Elektrisch-optischer modulator

Country Status (3)

Country Link
US (1) US3910680A (OSRAM)
JP (1) JPS536858B2 (OSRAM)
DE (1) DE2355752A1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137253A (ja) * 1974-09-25 1976-03-29 Shunsuke Kobayashi Kosokudootoekishohyojisochi
JPS575610Y2 (OSRAM) * 1976-09-07 1982-02-02
US4331387A (en) * 1980-07-03 1982-05-25 Westinghouse Electric Corp. Electro-optical modulator for randomly polarized light
US4595259A (en) * 1984-01-19 1986-06-17 Xerox Corporation Transient state liquid crystal image bar for electrophotographic printers
US5241407A (en) * 1984-10-22 1993-08-31 Seiko Epson Corporation Projection-type display device
US5073013A (en) * 1984-10-22 1991-12-17 Seiko Epson Corporation Projection-type display device
US4904061A (en) * 1984-10-22 1990-02-27 Seiko Epson Corporation Projection-type liquid crystal display device with even color
USRE36725E (en) * 1984-10-22 2000-06-06 Seiko Epson Corporation Projection-type display device
US4813766A (en) * 1988-03-02 1989-03-21 Raytheon Company Optical time delay apparatus
JP3282986B2 (ja) * 1996-02-28 2002-05-20 富士通株式会社 液晶表示装置
US6642981B1 (en) 1996-09-30 2003-11-04 Fujitsu Display Technologies Corporation Liquid crystal display device operating in a vertically aligned mode including at least one retardation film
US11550033B2 (en) * 2020-05-28 2023-01-10 Beijing Voyager Technology Co., Ltd. Electro-optical beam deflecting unit for light detection and ranging (LiDAR)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694053A (en) * 1971-06-22 1972-09-26 Bell Telephone Labor Inc Nematic liquid crystal device
US3741629A (en) * 1971-10-26 1973-06-26 Bell Telephone Labor Inc Electronically variable iris or stop mechanisms

Also Published As

Publication number Publication date
JPS4974551A (OSRAM) 1974-07-18
US3910680A (en) 1975-10-07
JPS536858B2 (OSRAM) 1978-03-11

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