NL186199B - Vloeibaar-kristalinrichting. - Google Patents
Vloeibaar-kristalinrichting.Info
- Publication number
- NL186199B NL186199B NLAANVRAGE7409684,A NL7409684A NL186199B NL 186199 B NL186199 B NL 186199B NL 7409684 A NL7409684 A NL 7409684A NL 186199 B NL186199 B NL 186199B
- Authority
- NL
- Netherlands
- Prior art keywords
- liquid crystal
- crystal device
- liquid
- crystal
- Prior art date
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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F1/137—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
- G02F1/133—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
- G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
-
- 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
- G02F2203/01—Function characteristic transmissive
-
- 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
- G02F2203/02—Function characteristic reflective
-
- 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
- G02F2203/34—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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/03—Number of plates being 3
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
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)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3416273A GB1469638A (en) | 1973-07-18 | 1973-07-18 | Liquid crystal display device |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7409684A NL7409684A (nl) | 1975-01-21 |
NL186199B true NL186199B (nl) | 1990-05-01 |
NL186199C NL186199C (nl) | 1990-10-01 |
Family
ID=10362170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7409684,A NL186199C (nl) | 1973-07-18 | 1974-07-17 | Vloeibaar-kristalinrichting. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4232948A (nl) |
JP (1) | JPS6029091B2 (nl) |
CA (1) | CA1037151A (nl) |
CH (1) | CH581841A5 (nl) |
DE (1) | DE2434624A1 (nl) |
FR (1) | FR2238200B1 (nl) |
GB (1) | GB1469638A (nl) |
NL (1) | NL186199C (nl) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5227789U (nl) * | 1975-08-18 | 1977-02-26 | ||
US4394069A (en) * | 1979-06-05 | 1983-07-19 | Beckman Instruments, Inc. | Liquid crystal tuned birefringent filter |
US4364039A (en) * | 1980-07-25 | 1982-12-14 | Texas Instruments Incorporated | Stacked electro-optic display |
US4547043A (en) * | 1980-07-25 | 1985-10-15 | Penz Perry A | Stacked LCD graphics display |
JPS5613220U (nl) * | 1980-07-31 | 1981-02-04 | ||
US4416514A (en) * | 1980-11-10 | 1983-11-22 | Polaroid Corporation | Color filter |
US4523848A (en) * | 1981-10-01 | 1985-06-18 | National Research Development Corporation | Polariscope |
US4636786A (en) * | 1982-12-20 | 1987-01-13 | Motorola, Inc. | Electrooptic ceramic display and method for making same |
US4630040A (en) * | 1983-03-31 | 1986-12-16 | Motorola, Inc. | Variable color electrooptic display |
DE3380906D1 (de) * | 1983-04-21 | 1990-01-04 | Beckman Instruments Inc | Durchstimmbarer doppelbrechender filter mit fluessigkristallen. |
US4582396A (en) * | 1983-05-09 | 1986-04-15 | Tektronix, Inc. | Field sequential color display system using optical retardation |
JPS6095515A (ja) * | 1983-09-26 | 1985-05-28 | テクトロニツクス・インコーポレイテツド | カラーフイルタ |
US4611889A (en) * | 1984-04-04 | 1986-09-16 | Tektronix, Inc. | Field sequential liquid crystal display with enhanced brightness |
US4674841A (en) * | 1985-03-08 | 1987-06-23 | Tektronix, Inc. | Color filter switchable among three state via a variable retarder |
US4813769A (en) * | 1985-11-05 | 1989-03-21 | Itt Defense Communications, A Division Of Itt Corporation | Liquid crystal wave division device |
DE3752219T2 (de) * | 1986-05-19 | 1999-02-18 | Seiko Epson Corp., Tokio/Tokyo | Flüssigkristall-Anzeigevorrichtung |
US5136405A (en) * | 1986-05-19 | 1992-08-04 | Seiko Epson Corporation | Liquid crystal display device with compensator having Δnxd and twist angle calculated using the liquid crystal's parameters |
JPS63116122A (ja) * | 1986-11-04 | 1988-05-20 | Toyota Motor Corp | 液晶素子 |
CA1268271A (en) * | 1987-11-06 | 1990-04-24 | David M. Makow | Electro-optic animated displays and indicators |
KR960007791B1 (ko) * | 1987-12-10 | 1996-06-12 | 세이꼬 엡슨 가부시끼가이샤 | 전기 광학 소자 |
US5119220A (en) * | 1988-01-28 | 1992-06-02 | Sanyo Electric Co., Ltd. | Liquid crystal display device with a phase plate for shadow compensation |
US4936654A (en) * | 1988-01-28 | 1990-06-26 | Sanyo Electric Co., Ltd. | Liquid crystal display device |
US5082353A (en) * | 1988-05-11 | 1992-01-21 | Kabushiki Kaisha Toshiba | Liquid-crystal display apparatus |
US5153568A (en) * | 1988-07-21 | 1992-10-06 | Proxima Corporation | Liquid crystal display panel system and method of using same |
US5089810A (en) * | 1990-04-09 | 1992-02-18 | Computer Accessories Corporation | Stacked display panel construction and method of making same |
US5302946A (en) * | 1988-07-21 | 1994-04-12 | Leonid Shapiro | Stacked display panel construction and method of making same |
US5113271A (en) * | 1988-08-10 | 1992-05-12 | Fergason James L | Light blocking and vision restoration apparatus with glint control |
US5414546A (en) * | 1988-08-10 | 1995-05-09 | Fergason; James L. | Dynamic optical notch filter |
US4988167A (en) * | 1988-08-10 | 1991-01-29 | Fergason James L | Light blocking and vision restoration apparatus with glint control |
US4917465A (en) * | 1989-03-28 | 1990-04-17 | In Focus Systems, Inc. | Color display system |
US5050965A (en) * | 1989-09-01 | 1991-09-24 | In Focus Systems, Inc. | Color display using supertwisted nematic liquid crystal material |
USRE36654E (en) * | 1989-03-28 | 2000-04-11 | In Focus Systems, Inc. | Stacked LCD color display |
JPH0351418U (nl) * | 1989-09-27 | 1991-05-20 | ||
US5231521A (en) * | 1989-10-30 | 1993-07-27 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
EP0500683A4 (en) * | 1989-10-30 | 1992-09-30 | University Of Colorado Foundation, Inc. | Ferroelectric liquid crystal tunable filters and color generation |
US5381253A (en) * | 1991-11-14 | 1995-01-10 | Board Of Regents Of University Of Colorado | Chiral smectic liquid crystal optical modulators having variable retardation |
US5469279A (en) * | 1989-10-30 | 1995-11-21 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal multipass optical filters including a variable retarder (and a variable isotropic spacer) |
US5243455A (en) * | 1990-05-11 | 1993-09-07 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
EP0470817A3 (en) * | 1990-08-09 | 1992-11-25 | Seiko Epson Corporation | Liquid crystal electro-optical device |
JPH0833531B2 (ja) * | 1991-03-29 | 1996-03-29 | 株式会社日立製作所 | 液晶表示素子 |
US5184156A (en) * | 1991-11-12 | 1993-02-02 | Reliant Laser Corporation | Glasses with color-switchable, multi-layered lenses |
US5377026A (en) * | 1992-09-02 | 1994-12-27 | Liu; Jian-Yu | Modulator using the linear electro-optic effect of liquid crystals |
US5325218A (en) * | 1992-12-31 | 1994-06-28 | Minnesota Mining And Manufacturing Company | Cholesteric polarizer for liquid crystal display and overhead projector |
US5583678A (en) * | 1993-03-12 | 1996-12-10 | Casio Computer Co., Ltd. | Color liquid crystal display apparatus |
US5442468A (en) * | 1993-06-21 | 1995-08-15 | Arshach-Applied Science Cars Ltd. | Apparatus for producing color effects |
US5432624A (en) * | 1993-12-03 | 1995-07-11 | Reliant Technologies, Inc. | Optical display unit in which light passes a first cell, reflects, then passes a second cell |
GB2286056A (en) * | 1994-01-21 | 1995-08-02 | Sharp Kk | Electrically controllable wavelength filter |
US5724112A (en) * | 1994-03-28 | 1998-03-03 | Casio Computer Co., Ltd. | Color liquid crystal apparatus |
US6115014A (en) * | 1994-12-26 | 2000-09-05 | Casio Computer Co., Ltd. | Liquid crystal display by means of time-division color mixing and voltage driving methods using birefringence |
US5689317A (en) * | 1995-03-22 | 1997-11-18 | Cambridge Research Instrumentation, Inc. | Tunable color filter |
US5999240A (en) | 1995-05-23 | 1999-12-07 | Colorlink, Inc. | Optical retarder stack pair for transforming input light into polarization states having saturated color spectra |
US6252638B1 (en) | 1995-05-23 | 2001-06-26 | Colorlink, Inc. | Color controllable illumination device, indicator lights, transmissive windows and color filters employing retarder stacks |
US6882384B1 (en) * | 1995-05-23 | 2005-04-19 | Colorlink, Inc. | Color filters and sequencers using color selective light modulators |
US5822021A (en) * | 1996-05-14 | 1998-10-13 | Colorlink, Inc. | Color shutter liquid crystal display system |
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 |
US6707516B1 (en) | 1995-05-23 | 2004-03-16 | Colorlink, Inc. | Single-panel field-sequential color display systems |
US6183091B1 (en) | 1995-04-07 | 2001-02-06 | Colorlink, Inc. | Color imaging systems and methods |
US6273571B1 (en) | 1995-05-23 | 2001-08-14 | Colorlink, Inc. | Display architectures using an electronically controlled optical retarder stack |
US5929946A (en) * | 1995-05-23 | 1999-07-27 | Colorlink, Inc. | Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization |
US6417892B1 (en) | 1995-05-23 | 2002-07-09 | Colorlink, Inc. | Color filters, sequencers and displays using color selective light modulators |
US6049367A (en) * | 1995-05-23 | 2000-04-11 | Colorlink, Inc. | Polarization manipulating device modulator with retarder stack which preconditions light for modulation and isotropic states |
GB2318878A (en) * | 1996-10-31 | 1998-05-06 | Sharp Kk | Reflective liquid crystal device |
US5892559A (en) * | 1996-11-25 | 1999-04-06 | Colorlink, Inc. | Chromaticity compensating liquid crystal filter |
US6100944A (en) * | 1997-10-10 | 2000-08-08 | Boulder Nonlinear Systems, Inc. | Polarizing interferometer using multiorder and zero order birefringence switches |
US7170679B2 (en) * | 2002-09-18 | 2007-01-30 | Vision Quest Lighting, Inc. | Optically active color filter |
CN111328382A (zh) | 2017-11-09 | 2020-06-23 | 密歇根大学董事会 | 电压可调谐偏振器 |
US11388350B2 (en) | 2019-12-27 | 2022-07-12 | The Regents Of The University Of Michigan | Autonomous glare removal technique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3501219A (en) * | 1966-09-08 | 1970-03-17 | Texas Instruments Inc | Color control for dynamic displays |
GB1270811A (en) * | 1968-03-30 | 1972-04-19 | Hitachi Ltd | Color modulating method and device |
US3731986A (en) * | 1971-04-22 | 1973-05-08 | Int Liquid Xtal Co | Display devices utilizing liquid crystal light modulation |
US3785721A (en) * | 1971-07-15 | 1974-01-15 | Int Liquid Xtal Co | Display devices utilizing liquid crystal light modulation with varying colors |
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 |
US3784280A (en) * | 1973-01-02 | 1974-01-08 | Gen Electric | Light-dark reflective liquid crystal display |
-
1973
- 1973-07-18 GB GB3416273A patent/GB1469638A/en not_active Expired
-
1974
- 1974-07-12 US US05/488,069 patent/US4232948A/en not_active Expired - Lifetime
- 1974-07-17 FR FR7424879A patent/FR2238200B1/fr not_active Expired
- 1974-07-17 NL NLAANVRAGE7409684,A patent/NL186199C/nl not_active IP Right Cessation
- 1974-07-17 CA CA204,917A patent/CA1037151A/en not_active Expired
- 1974-07-17 JP JP49082689A patent/JPS6029091B2/ja not_active Expired
- 1974-07-18 CH CH993174A patent/CH581841A5/xx not_active IP Right Cessation
- 1974-07-18 DE DE2434624A patent/DE2434624A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JPS5072645A (nl) | 1975-06-16 |
FR2238200B1 (nl) | 1983-04-08 |
NL186199C (nl) | 1990-10-01 |
DE2434624A1 (de) | 1975-02-06 |
JPS6029091B2 (ja) | 1985-07-09 |
US4232948A (en) | 1980-11-11 |
CH581841A5 (nl) | 1976-11-15 |
FR2238200A1 (nl) | 1975-02-14 |
CA1037151A (en) | 1978-08-22 |
NL7409684A (nl) | 1975-01-21 |
GB1469638A (en) | 1977-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL186199C (nl) | Vloeibaar-kristalinrichting. | |
NL181306C (nl) | Elektro-optische inrichting. | |
CH557568A (de) | Fluessigkristallzelle. | |
SE401872B (sv) | Vetskekristallbildskerm | |
SE387713B (sv) | Vetsketransportanordning | |
AT348038B (de) | Anzeigevorrichtung | |
NL7415006A (nl) | Vloeibare-kristalweergeefinrichting. | |
NL7416280A (nl) | Electro-optische inrichting. | |
SE7412235L (sv) | Vetskeforsorjningsanordning | |
NL7414352A (nl) | Vloeibaarkristallijne bifenylen. | |
IT1017740B (it) | Dispositivo elettrocromico | |
CH556078A (de) | Fluessigkristall-anzeigevorrichtung. | |
NL7400448A (nl) | Vloeibaar kristal weergeefinrichting. | |
NL183110C (nl) | Weergave-inrichting. | |
NL7414843A (nl) | Vloeibaar kristal inrichting. | |
NL7504017A (nl) | Vloeibare kristallen. | |
NO741577L (no) | Syv-segmentfremviseranordning. | |
NL160947C (nl) | Weergeefinrichting. | |
SE389943B (sv) | Atergivningsanordning for fergtelevision | |
NL152380B (nl) | Weergeefinrichting. | |
NL7408646A (nl) | Vloeistof aanbrenginrichting. | |
NL7409367A (nl) | Electro-optische inrichting. | |
CH550390A (de) | Fluessigkeits-ueberlaufschutzvorrichtung. | |
NL7406987A (nl) | Functionele vloeistof. | |
NL7417027A (nl) | Vloeibare-kristalinrichting. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |