CH610471B5 - - Google Patents
Info
- Publication number
- CH610471B5 CH610471B5 CH1295073A CH1295073A CH610471B5 CH 610471 B5 CH610471 B5 CH 610471B5 CH 1295073 A CH1295073 A CH 1295073A CH 1295073 A CH1295073 A CH 1295073A CH 610471 B5 CH610471 B5 CH 610471B5
- Authority
- CH
- Switzerland
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
- G02F1/13725—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 guest-host interaction
-
- 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
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47090351A JPS4946954A (xx) | 1972-09-11 | 1972-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH610471B5 true CH610471B5 (xx) | 1979-04-30 |
Family
ID=13996100
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1295073A CH610471B5 (xx) | 1972-09-11 | 1973-09-10 | |
CH1295073D CH1295073A4 (xx) | 1972-09-11 | 1973-09-10 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1295073D CH1295073A4 (xx) | 1972-09-11 | 1973-09-10 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3900248A (xx) |
JP (1) | JPS4946954A (xx) |
CH (2) | CH610471B5 (xx) |
DE (1) | DE2345794C2 (xx) |
FR (1) | FR2199425A5 (xx) |
GB (1) | GB1396846A (xx) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4946953B1 (xx) * | 1970-12-29 | 1974-12-12 | ||
JPS5328102B2 (xx) * | 1973-04-16 | 1978-08-12 | ||
JPS551199B2 (xx) * | 1973-05-12 | 1980-01-12 | ||
US3960751A (en) * | 1973-09-19 | 1976-06-01 | Matsushita Electric Industrial Co., Ltd. | Electro-optical display element |
JPS50134646A (xx) * | 1974-04-10 | 1975-10-24 | ||
JPS50134648A (xx) * | 1974-04-10 | 1975-10-24 | ||
US4043634A (en) * | 1974-07-25 | 1977-08-23 | Dai Nippon Toryo Co., Ltd. | Liquid crystal electro optical element |
FR2280700A1 (fr) * | 1974-07-31 | 1976-02-27 | Dainippon Toryo Kk | Compositions de liquide nematiquement cristallin |
JPS5161795A (xx) * | 1974-11-26 | 1976-05-28 | Matsushita Electric Ind Co Ltd | |
GB1509180A (en) * | 1974-12-02 | 1978-04-26 | Secr Defence | Liquid crystal devices |
JPS588512B2 (ja) * | 1974-12-24 | 1983-02-16 | キヤノン株式会社 | 液晶表示方法 |
JPS52138938A (en) * | 1976-05-17 | 1977-11-19 | Nippon Telegr & Teleph Corp <Ntt> | Dry type multicolor recording medium by electric current |
US4093356A (en) * | 1977-02-14 | 1978-06-06 | General Electric Company | Transflective liquid crystal display |
US4097130A (en) * | 1977-03-11 | 1978-06-27 | General Electric Company | Multi-colored liquid crystal displays |
US4231068A (en) * | 1977-06-15 | 1980-10-28 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Optical screens |
US4266859A (en) * | 1977-10-14 | 1981-05-12 | Citizen Watch Co., Ltd. | Liquid crystal display device |
FR2410924A1 (fr) * | 1977-12-01 | 1979-06-29 | Thomson Csf | Procede de telecopie utilisant une cellule a cristal liquide smectique et telecopieur emetteur-recepteur mettant en oeuvre ce procede |
JPS55118077A (en) * | 1979-03-05 | 1980-09-10 | Hitachi Ltd | Color display unit |
JPS55166619A (en) * | 1979-06-15 | 1980-12-25 | Stanley Electric Co Ltd | Multilayer liquid crystal display device |
JPS564121A (en) * | 1979-06-22 | 1981-01-17 | Stanley Electric Co Ltd | Liquid crystal display device |
JPS5681888A (en) * | 1979-12-07 | 1981-07-04 | Epson Corp | Liquid crystal display unit |
US4398805A (en) * | 1981-07-06 | 1983-08-16 | General Electric Company | Transflective liquid crystal display |
US4653860A (en) * | 1985-01-07 | 1987-03-31 | Thomson Components-Mostek Corporation | Programable mask or reticle with opaque portions on electrodes |
SE8504762D0 (sv) * | 1985-10-14 | 1985-10-14 | Sven Torbjorn Lagerwall | Ferroelectric liquid crystal devices |
US4854678A (en) * | 1986-10-17 | 1989-08-08 | Minolta Camera Kabushiki Kaisha | Electro-optical light shutter device |
US4767190A (en) * | 1986-12-04 | 1988-08-30 | Xerox Corporation | Transient state liquid crystal image bar with contrast enhancement |
WO1989002093A1 (en) * | 1987-08-24 | 1989-03-09 | Molecular Control Corporation | Liquid crystal micelles, display, having concentric spheres |
US5082353A (en) * | 1988-05-11 | 1992-01-21 | Kabushiki Kaisha Toshiba | Liquid-crystal display apparatus |
JP2651026B2 (ja) * | 1989-09-20 | 1997-09-10 | 株式会社日立製作所 | 液晶表示装置 |
CA2099642A1 (en) * | 1993-06-24 | 1994-12-25 | Birendra Bahadur | Wide viewing-angle dye-doped tn lcd with retardation sheets |
US5499126A (en) * | 1993-12-02 | 1996-03-12 | Ois Optical Imaging Systems, Inc. | Liquid crystal display with patterned retardation films |
US5576861A (en) | 1993-12-15 | 1996-11-19 | Ois Optical Imaging Systems, Inc. | Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region |
US5907378A (en) * | 1993-12-15 | 1999-05-25 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic liquid crystal display including retardation films for improving viewing characteristics |
US5594568A (en) * | 1993-12-15 | 1997-01-14 | Ois Optical Imaging Systems, Inc. | LCD with a pair of retardation films on one side of normally white liquid crystal layer |
US5570214A (en) * | 1993-12-15 | 1996-10-29 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone |
US5638200A (en) * | 1995-02-03 | 1997-06-10 | Ois Optical Imaging Systems, Inc. | Liquid crystal display with tilted retardation film |
US5579139A (en) * | 1995-06-07 | 1996-11-26 | Ois Optical Imaging Systems, Inc. | LCD with reduced canopy reflection having a retarder of 220-320 nm retardation outside a polarizer |
JPH1062773A (ja) * | 1996-08-16 | 1998-03-06 | Fujitsu Ltd | 液晶表示パネル |
JP2000514983A (ja) * | 1997-05-07 | 2000-11-07 | 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 | 画像投写システム |
WO2000008520A1 (fr) | 1998-08-04 | 2000-02-17 | Kaneka Corporation | Dispositif d'affichage a cristaux liquides a ecran tactile, et ecran tactile |
US6753047B1 (en) * | 1999-06-10 | 2004-06-22 | Ppg Industries Ohio, Inc. | Electrodes for liquid crystal cells |
JP3923062B2 (ja) * | 2004-08-02 | 2007-05-30 | 日東電工株式会社 | 液晶配向フィルムの製造方法、液晶配向フィルム、光学フィルムおよび画像表示装置 |
KR102079135B1 (ko) | 2017-04-28 | 2020-02-19 | 주식회사 엘지화학 | 투과율 가변 장치 |
KR102184388B1 (ko) * | 2017-11-28 | 2020-11-30 | 주식회사 엘지화학 | 투과도 가변 장치 및 그 용도 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3551026A (en) * | 1965-04-26 | 1970-12-29 | Rca Corp | Control of optical properties of materials with liquid crystals |
US3503670A (en) * | 1967-01-16 | 1970-03-31 | Ibm | Multifrequency light processor and digital deflector |
US3597044A (en) * | 1968-09-03 | 1971-08-03 | Rca Corp | Electro-optic light modulator |
US3703329A (en) * | 1969-12-29 | 1972-11-21 | Rca Corp | Liquid crystal color display |
US3680950A (en) * | 1971-03-15 | 1972-08-01 | Xerox Corp | Grandjean state liquid crystalline imaging system |
US3756694A (en) * | 1971-09-09 | 1973-09-04 | Sperry Rand Corp | Electric field controllable birefringence liquid crystal media and optical display devices for use thereof |
US3806227A (en) * | 1972-09-06 | 1974-04-23 | Siemens Ag | Arrangement for a multi-color data indication |
-
1972
- 1972-09-11 JP JP47090351A patent/JPS4946954A/ja active Pending
-
1973
- 1973-08-31 GB GB4103973A patent/GB1396846A/en not_active Expired
- 1973-09-06 FR FR7332147A patent/FR2199425A5/fr not_active Expired
- 1973-09-10 CH CH1295073A patent/CH610471B5/xx not_active IP Right Cessation
- 1973-09-10 CH CH1295073D patent/CH1295073A4/xx unknown
- 1973-09-11 DE DE2345794A patent/DE2345794C2/de not_active Expired
- 1973-09-11 US US396310A patent/US3900248A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS4946954A (xx) | 1974-05-07 |
CH1295073A4 (xx) | 1977-02-15 |
US3900248A (en) | 1975-08-19 |
DE2345794A1 (de) | 1974-03-21 |
DE2345794C2 (de) | 1982-10-21 |
GB1396846A (en) | 1975-06-04 |
FR2199425A5 (xx) | 1974-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |