FR2581780B1 - Ecran de projection a cristal liquide - Google Patents

Ecran de projection a cristal liquide

Info

Publication number
FR2581780B1
FR2581780B1 FR8606654A FR8606654A FR2581780B1 FR 2581780 B1 FR2581780 B1 FR 2581780B1 FR 8606654 A FR8606654 A FR 8606654A FR 8606654 A FR8606654 A FR 8606654A FR 2581780 B1 FR2581780 B1 FR 2581780B1
Authority
FR
France
Prior art keywords
liquid crystal
projection screen
crystal projection
screen
liquid
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
Application number
FR8606654A
Other languages
English (en)
Other versions
FR2581780A1 (fr
Inventor
Noboru Azusawa
Tadahiko Hashimoto
Hisayoshi Shiraishi
Yoshiharu Nagae
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2581780A1 publication Critical patent/FR2581780A1/fr
Application granted granted Critical
Publication of FR2581780B1 publication Critical patent/FR2581780B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR8606654A 1985-05-10 1986-05-07 Ecran de projection a cristal liquide Expired - Lifetime FR2581780B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60097800A JPS61256321A (ja) 1985-05-10 1985-05-10 液晶投射型表示装置

Publications (2)

Publication Number Publication Date
FR2581780A1 FR2581780A1 (fr) 1986-11-14
FR2581780B1 true FR2581780B1 (fr) 1993-05-07

Family

ID=14201857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8606654A Expired - Lifetime FR2581780B1 (fr) 1985-05-10 1986-05-07 Ecran de projection a cristal liquide

Country Status (3)

Country Link
US (2) US4810064A (fr)
JP (1) JPS61256321A (fr)
FR (1) FR2581780B1 (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61256321A (ja) * 1985-05-10 1986-11-13 Hitachi Ltd 液晶投射型表示装置
US5138368A (en) * 1988-10-25 1992-08-11 Greyhawk Systems, Inc. Fabrication of printed wiring boards by projection imaging
US5014326A (en) * 1989-03-03 1991-05-07 Greyhawk Systems, Inc. Projected image linewidth correction apparatus and method
US5111513A (en) * 1989-03-03 1992-05-05 Greyhawk Systems, Inc. Projected image linewidth correction apparatus and method
US5014207A (en) * 1989-04-21 1991-05-07 E. I. Du Pont De Nemours And Company Solid imaging system
US5170270A (en) * 1989-09-07 1992-12-08 Sharp Corporation Image writing device
JP2780409B2 (ja) * 1990-01-20 1998-07-30 キヤノン株式会社 角度検出装置
US5220452A (en) * 1990-08-06 1993-06-15 Texas Instruments Incorporated Volume display optical system and method
DE69126181T2 (de) * 1990-08-27 1998-01-02 Sharp Kk Bilderzeugungsvorrichtung
JPH04200070A (ja) * 1990-11-29 1992-07-21 Sharp Corp 画像形成方法
JP2701183B2 (ja) * 1991-08-09 1998-01-21 株式会社小松製作所 液晶マスク式レーザマーカ
US5418546A (en) * 1991-08-20 1995-05-23 Mitsubishi Denki Kabushiki Kaisha Visual display system and exposure control apparatus
US5363117A (en) * 1991-09-04 1994-11-08 Sony Corporation Laser-addressed liquid crystal display
JPH05313085A (ja) * 1992-05-08 1993-11-26 Komatsu Ltd 走査装置
US6674562B1 (en) * 1994-05-05 2004-01-06 Iridigm Display Corporation Interferometric modulation of radiation
US7830587B2 (en) * 1993-03-17 2010-11-09 Qualcomm Mems Technologies, Inc. Method and device for modulating light with semiconductor substrate
US6404553B1 (en) * 1994-02-07 2002-06-11 Engineered Support Systems, Inc. Phase active diffractive optical method
US7826120B2 (en) * 1994-05-05 2010-11-02 Qualcomm Mems Technologies, Inc. Method and device for multi-color interferometric modulation
US8081369B2 (en) * 1994-05-05 2011-12-20 Qualcomm Mems Technologies, Inc. System and method for a MEMS device
US7852545B2 (en) * 1994-05-05 2010-12-14 Qualcomm Mems Technologies, Inc. Method and device for modulating light
US8014059B2 (en) 1994-05-05 2011-09-06 Qualcomm Mems Technologies, Inc. System and method for charge control in a MEMS device
US7839556B2 (en) * 1994-05-05 2010-11-23 Qualcomm Mems Technologies, Inc. Method and device for modulating light
US5990983A (en) * 1994-09-30 1999-11-23 Laser Power Corporation High resolution image projection system and method employing lasers
US7898722B2 (en) * 1995-05-01 2011-03-01 Qualcomm Mems Technologies, Inc. Microelectromechanical device with restoring electrode
AU5095498A (en) * 1996-11-01 1998-05-29 Laser Power Corporation Projection display with gradation levels obtained by modulation of beamlets
US7929197B2 (en) * 1996-11-05 2011-04-19 Qualcomm Mems Technologies, Inc. System and method for a MEMS device
US6154259A (en) * 1996-11-27 2000-11-28 Photera Technologies, Inc. Multi-beam laser scanning display system with speckle elimination
US7830588B2 (en) * 1996-12-19 2010-11-09 Qualcomm Mems Technologies, Inc. Method of making a light modulating display device and associated transistor circuitry and structures thereof
US8928967B2 (en) 1998-04-08 2015-01-06 Qualcomm Mems Technologies, Inc. Method and device for modulating light
WO1999052006A2 (fr) 1998-04-08 1999-10-14 Etalon, Inc. Modulation interferometrique de rayonnement
GB0000632D0 (en) * 2000-01-13 2000-03-01 Hastings Stephen A Apparatus for and method of targeting
US6351324B1 (en) 2000-03-09 2002-02-26 Photera Technologies, Inc. Laser imaging system with progressive multi-beam scan architecture
US7916980B2 (en) 2006-01-13 2011-03-29 Qualcomm Mems Technologies, Inc. Interconnect structure for MEMS device
US20080090396A1 (en) * 2006-10-06 2008-04-17 Semiconductor Energy Laboratory Co., Ltd. Light exposure apparatus and method for making semiconductor device formed using the same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515054A (en) * 1948-08-11 1950-07-11 Western Electric Co Light modulating system
FR2082476A5 (fr) * 1970-03-17 1971-12-10 Thomson Csf
US3896362A (en) * 1970-10-21 1975-07-22 Street Graham S B Light-beam steering apparatus
US3717772A (en) * 1971-09-03 1973-02-20 Midland Capital Corp Linear bidirectional scanning system
FR2379085A1 (fr) * 1977-01-31 1978-08-25 Comp Generale Electricite Obturateur electro-optique ultrarapide
JPS53147554A (en) * 1977-05-30 1978-12-22 Hitachi Ltd Laser beam recorder
JPS5430854A (en) * 1977-08-12 1979-03-07 Canon Inc Two-dimensional scanner
DE2913270A1 (de) * 1979-04-03 1980-10-23 Krautkraemer Gmbh Laseranordnung mit einem elektrooptischen gueteschalter und verfahren zum betrieb dieser anordnung
CA1167901A (fr) * 1980-10-27 1984-05-22 Denis M. Vincent Systeme regulateur pour modulateur optique
JPS5887535A (ja) * 1981-11-20 1983-05-25 Sony Corp 液晶表示装置
JPS5849963A (ja) * 1982-07-21 1983-03-24 Hitachi Ltd レ−ザプリンタ装置
US4482902A (en) * 1982-08-30 1984-11-13 Harris Corporation Resonant galvanometer scanner system employing precision linear pixel generation
JPS61256321A (ja) * 1985-05-10 1986-11-13 Hitachi Ltd 液晶投射型表示装置

Also Published As

Publication number Publication date
US4810064A (en) 1989-03-07
US4952034A (en) 1990-08-28
FR2581780A1 (fr) 1986-11-14
JPS61256321A (ja) 1986-11-13

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