DE3752339D1 - Flüssigkristallanzeigevorrichtung - Google Patents
FlüssigkristallanzeigevorrichtungInfo
- Publication number
- DE3752339D1 DE3752339D1 DE3752339T DE3752339T DE3752339D1 DE 3752339 D1 DE3752339 D1 DE 3752339D1 DE 3752339 T DE3752339 T DE 3752339T DE 3752339 T DE3752339 T DE 3752339T DE 3752339 D1 DE3752339 D1 DE 3752339D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- display device
- crystal display
- liquid
- display
- 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
-
- 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
- G02F1/1397—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 the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
-
- 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
- G02F1/133636—Birefringent elements, e.g. for optical compensation with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
-
- 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
-
- 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
- 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
- G02F2413/15—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 twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
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)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11429986 | 1986-05-19 | ||
| JP17214386 | 1986-07-22 | ||
| JP17214486 | 1986-07-22 | ||
| JP17214286 | 1986-07-22 | ||
| JP30316886 | 1986-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3752339D1 true DE3752339D1 (de) | 2001-12-06 |
| DE3752339T2 DE3752339T2 (de) | 2002-05-08 |
Family
ID=27526632
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3752339T Expired - Lifetime DE3752339T2 (de) | 1986-05-19 | 1987-05-18 | Flüssigkristallanzeigevorrichtung |
| DE3752219T Expired - Lifetime DE3752219T2 (de) | 1986-05-19 | 1987-05-18 | Flüssigkristall-Anzeigevorrichtung |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3752219T Expired - Lifetime DE3752219T2 (de) | 1986-05-19 | 1987-05-18 | Flüssigkristall-Anzeigevorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US4844569A (de) |
| EP (3) | EP1156362A1 (de) |
| KR (1) | KR920007409B1 (de) |
| DE (2) | DE3752339T2 (de) |
| HK (1) | HK1012041A1 (de) |
Families Citing this family (172)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5035489A (en) * | 1986-05-19 | 1991-07-30 | Seiko Epson Corporation | Liquid crystal device having two super twisted nematic cells |
| US5061042A (en) * | 1987-02-02 | 1991-10-29 | Sumitomo Chemical Co., Ltd. | Phase retarder and liquid crystal display using the same |
| JPS63220221A (ja) * | 1987-03-10 | 1988-09-13 | Sharp Corp | カラ−液晶表示素子 |
| JPS63234225A (ja) * | 1987-03-23 | 1988-09-29 | Sharp Corp | 液晶表示装置 |
| JPH0228618A (ja) * | 1987-08-31 | 1990-01-30 | Ricoh Co Ltd | 液晶表示素子 |
| US4984873A (en) * | 1987-08-31 | 1991-01-15 | Ricoh Company, Ltd. | Liquid crystal display device |
| EP0333881B1 (de) * | 1987-10-06 | 1994-03-16 | Asahi Glass Company Ltd. | Flüssigkristall-anzeigevorrichtung |
| EP0311339B1 (de) * | 1987-10-07 | 1995-09-20 | Matsushita Electric Industrial Co., Ltd. | Flüssigkristallanzeige |
| JPH0797189B2 (ja) * | 1987-10-07 | 1995-10-18 | シャープ株式会社 | 液晶表示装置 |
| JPH01183625A (ja) * | 1988-01-18 | 1989-07-21 | Matsushita Electric Ind Co Ltd | 液晶表示装置及びそれに用いる位相板の製造方法 |
| EP0312297B1 (de) * | 1987-10-13 | 1994-01-26 | Fujitsu Limited | Flüssigkristall-Anzeigetafel |
| JPH01120527A (ja) * | 1987-11-04 | 1989-05-12 | Sharp Corp | 液晶表示装置 |
| JPH01138536A (ja) * | 1987-11-26 | 1989-05-31 | Asahi Glass Co Ltd | 液晶表示素子 |
| KR960007791B1 (ko) * | 1987-12-10 | 1996-06-12 | 세이꼬 엡슨 가부시끼가이샤 | 전기 광학 소자 |
| JPH01179912A (ja) * | 1988-01-11 | 1989-07-18 | Hitachi Ltd | 液晶表示素子 |
| WO1989006692A1 (en) * | 1988-01-12 | 1989-07-27 | Genentech, Inc. | Method of treating tumor cells by inhibiting growth factor receptor function |
| US4936654A (en) * | 1988-01-28 | 1990-06-26 | Sanyo Electric Co., Ltd. | Liquid crystal display device |
| EP0393191B1 (de) * | 1988-01-28 | 1995-12-20 | Sanyo Electric Co., Ltd. | Flüssigkristallanzeigeanordnung |
| JPH0296116A (ja) * | 1988-01-28 | 1990-04-06 | Sanyo Electric Co Ltd | 液晶表示器 |
| JPH01225916A (ja) * | 1988-03-04 | 1989-09-08 | Sumitomo Chem Co Ltd | 位相差板およびこれを用いた複合偏光板および液晶表示装置 |
| DE3835803A1 (de) * | 1988-03-10 | 1990-04-26 | Merck Patent Gmbh | Supertwist-fluessigkristallanzeigeelement und fluessigkristallmischung |
| US5054891A (en) * | 1988-04-15 | 1991-10-08 | Casio Computer Co., Ltd. | Liquid crystal shutter with substrates having an optical anisotropy caused by temperature gradient |
| DE68921910T3 (de) * | 1988-04-21 | 2000-08-17 | Asahi Glass Co Ltd | Farbflüssigkristall-Anzeigevorrichtung und ihr Ansteuerungsverfahren. |
| US5365357A (en) * | 1988-04-21 | 1994-11-15 | Asahi Glass Company Ltd. | Color liquid crystal display having color filters and light blocking layers in the periphery |
| US5082353A (en) * | 1988-05-11 | 1992-01-21 | Kabushiki Kaisha Toshiba | Liquid-crystal display apparatus |
| JP2627311B2 (ja) * | 1988-06-21 | 1997-07-02 | 三洋電機株式会社 | 液晶表示器 |
| JPH0210318A (ja) * | 1988-06-29 | 1990-01-16 | Sanyo Electric Co Ltd | 液晶表示器 |
| JPH0215238A (ja) * | 1988-07-04 | 1990-01-18 | Stanley Electric Co Ltd | 異方性補償ホメオトロピック液晶表示装置 |
| EP0350075A3 (de) * | 1988-07-08 | 1990-09-05 | Kabushiki Kaisha Toshiba | Flüssigkristall-Anzeigevorrichtung |
| JP2856401B2 (ja) * | 1988-07-08 | 1999-02-10 | 株式会社東芝 | 液晶表示素子 |
| US4995704A (en) * | 1988-07-08 | 1991-02-26 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| EP0351200B1 (de) * | 1988-07-12 | 1995-09-13 | Sharp Kabushiki Kaisha | Flüssigkristall-Anzeigevorrichtung |
| JPH02124529A (ja) * | 1988-07-19 | 1990-05-11 | Sharp Corp | 二層型液晶表示装置 |
| US4944578A (en) * | 1988-07-21 | 1990-07-31 | Telex Communications | Color graphic imager utilizing a liquid crystal display |
| JPH0237319A (ja) * | 1988-07-27 | 1990-02-07 | Toshiba Corp | 液晶表示素子 |
| JPH0254216A (ja) * | 1988-08-18 | 1990-02-23 | Hitachi Ltd | 液晶表示素子およびその応用製品 |
| US5056896A (en) * | 1988-08-29 | 1991-10-15 | Ricoh Company, Ltd. | Liquid crystal display device with dielectric anisotropy |
| JP2609910B2 (ja) * | 1988-09-08 | 1997-05-14 | 三洋電機株式会社 | 液晶表示器 |
| JPH0258724U (de) * | 1988-10-24 | 1990-04-26 | ||
| DE68923929T2 (de) * | 1988-11-04 | 1996-03-07 | Fuji Photo Film Co Ltd | Flüssigkristall-Anzeige. |
| JP2598495B2 (ja) * | 1988-11-21 | 1997-04-09 | シャープ株式会社 | 液晶表示装置の駆動方法 |
| JPH02143563A (ja) * | 1988-11-25 | 1990-06-01 | Fuji Electric Co Ltd | サイリスタ |
| JP2675158B2 (ja) * | 1988-12-07 | 1997-11-12 | シャープ株式会社 | 液晶表示装置 |
| US5033825A (en) * | 1988-12-26 | 1991-07-23 | Kabushiki Kaisha Toshiba | Ferroelectric liquid crystal display device having equalizing means |
| NL8900089A (nl) * | 1989-01-16 | 1990-08-16 | Philips Nv | Vloeibaar kristal weergeefinrichting. |
| EP0379315B1 (de) * | 1989-01-19 | 1994-05-18 | Seiko Epson Corporation | Elektrooptische Flüssigkristall-Anzeigevorrichtung |
| CA2009319C (en) * | 1989-02-06 | 1994-11-01 | Hiroshi Ohnishi | Liquid crystal display device |
| JP3071204B2 (ja) * | 1989-02-10 | 2000-07-31 | 株式会社リコー | 液晶表示素子 |
| JPH07104506B2 (ja) * | 1989-03-14 | 1995-11-13 | スタンレー電気株式会社 | 強誘電性液晶パネル |
| JP2917286B2 (ja) * | 1989-03-28 | 1999-07-12 | セイコーエプソン株式会社 | 液晶装置 |
| 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 |
| US5157523A (en) * | 1989-03-29 | 1992-10-20 | Matsushita Electric Industrial Co., Ltd. | Projection type liquid crystal display unit including orthogonal phase plates |
| JPH02262124A (ja) * | 1989-03-31 | 1990-10-24 | Sharp Corp | 二層型液晶表示装置 |
| EP0394570A1 (de) * | 1989-04-24 | 1990-10-31 | Seiko Epson Corporation | Elektro-optische Einrichtung |
| US5150237A (en) * | 1989-05-15 | 1992-09-22 | Ricoh Company, Ltd. | Liquid crystal display element |
| US5243451A (en) * | 1989-05-15 | 1993-09-07 | Ricoh Company, Ltd. | DAP type liquid crystal device with cholesteric liquid crystal birefringent layer |
| DE3925382A1 (de) * | 1989-06-14 | 1991-01-03 | Merck Patent Gmbh | Elektrooptisches system mit kompensationsfilm |
| WO1990016006A1 (en) * | 1989-06-22 | 1990-12-27 | Citizen Watch Co., Ltd. | Liquid crystal display device and phase difference plates |
| JPH0328822A (ja) * | 1989-06-27 | 1991-02-07 | Nippon Oil Co Ltd | 液晶表示素子用補償板 |
| US5126866A (en) * | 1989-08-11 | 1992-06-30 | Sharp Kabushiki Kaisha | Liquid crystal display with a plurality of phase difference plates the slow axes of which form an angle of 20 to 40 degrees |
| US5175638A (en) * | 1989-09-12 | 1992-12-29 | Ricoh Company, Ltd. | ECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directions |
| JP2651026B2 (ja) * | 1989-09-20 | 1997-09-10 | 株式会社日立製作所 | 液晶表示装置 |
| US5210630A (en) * | 1989-10-18 | 1993-05-11 | U.S. Philips Corporation | Liquid-crystal display device |
| DE69006570T2 (de) * | 1989-10-18 | 1994-08-04 | Philips Nv | Flüssigkristall-Wiedergabeanordnung. |
| DE69016349T2 (de) * | 1989-10-27 | 1995-06-29 | Fuji Photo Film Co Ltd | Flüssigkristallanzeige. |
| EP0430591A3 (en) * | 1989-11-22 | 1992-03-11 | Sel Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal colour display device |
| US5107356A (en) * | 1989-12-26 | 1992-04-21 | General Electric Company | Liquid crystal display device with birefringent films |
| US5576867A (en) | 1990-01-09 | 1996-11-19 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid crystal switching elements having a parallel electric field and βo which is not 0° or 90° |
| US5184237A (en) * | 1990-03-27 | 1993-02-02 | Ricoh Company, Ltd. | Super-twisted nematic type liquid crystal display device |
| DE4010503A1 (de) * | 1990-04-03 | 1991-10-10 | Merck Patent Gmbh | Elektrooptisches system |
| JP3084724B2 (ja) * | 1990-04-09 | 2000-09-04 | セイコーエプソン株式会社 | 液晶表示装置 |
| US5303075A (en) * | 1990-04-09 | 1994-04-12 | Seiko Epson Corporation | Liquid crystal display with phase difference plate having particular .DELTA.Δnxd at 45° angle to surface |
| US5250214A (en) * | 1990-04-09 | 1993-10-05 | Ricoh Company, Ltd. | Liquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymer |
| US5380459A (en) * | 1990-04-20 | 1995-01-10 | Ricoh Company, Ltd. | Liquid crystal display device with improved viewing angle dependence of color |
| GB2245092A (en) * | 1990-04-23 | 1991-12-18 | Tfe Hong Kong Limited | Multilayer liquid crystal display. |
| NL9001142A (nl) * | 1990-05-16 | 1991-12-16 | Philips Nv | Weergeefinrichting. |
| JPH0422917A (ja) * | 1990-05-18 | 1992-01-27 | Nippon Oil Co Ltd | 旋光性光学素子 |
| JP2711585B2 (ja) * | 1990-06-26 | 1998-02-10 | 日本石油株式会社 | アクティブマトリックス液晶表示素子用補償板 |
| EP0470817A3 (en) * | 1990-08-09 | 1992-11-25 | Seiko Epson Corporation | Liquid crystal electro-optical device |
| JPH0498223A (ja) * | 1990-08-17 | 1992-03-30 | Nec Corp | 液晶素子 |
| JPH0444627U (de) * | 1990-08-20 | 1992-04-15 | ||
| JPH04104124A (ja) * | 1990-08-23 | 1992-04-06 | Semiconductor Energy Lab Co Ltd | 液晶電気光学装置 |
| US5377028A (en) * | 1990-10-01 | 1994-12-27 | Casio Computer Co., Ltd. | Liquid crystal display device with liquid crystal elastic constant ratio at least 1.75 |
| JP3011993B2 (ja) * | 1990-10-26 | 2000-02-21 | 株式会社リコー | カラー液晶素子 |
| JP2721284B2 (ja) * | 1991-02-07 | 1998-03-04 | 株式会社東芝 | 液晶表示素子および光学異方素子 |
| US5208688A (en) * | 1991-02-08 | 1993-05-04 | Osd Envizion Company | Eye protection device for welding helmets |
| JPH04294323A (ja) * | 1991-03-25 | 1992-10-19 | Hitachi Ltd | 液晶表示装置 |
| US5237438A (en) * | 1991-05-02 | 1993-08-17 | Casio Computer Co., Ltd. | Liquid crystal display device |
| US5177629A (en) * | 1991-06-13 | 1993-01-05 | Proxima Corporation | Liquid crystal display with an optical fluid layer |
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-
1987
- 1987-05-18 EP EP01201313A patent/EP1156362A1/de not_active Ceased
- 1987-05-18 DE DE3752339T patent/DE3752339T2/de not_active Expired - Lifetime
- 1987-05-18 DE DE3752219T patent/DE3752219T2/de not_active Expired - Lifetime
- 1987-05-18 EP EP97105751A patent/EP0795773B1/de not_active Expired - Lifetime
- 1987-05-18 EP EP87304385A patent/EP0246842B1/de not_active Expired - Lifetime
- 1987-05-19 KR KR8704935A patent/KR920007409B1/ko not_active IP Right Cessation
- 1987-05-19 US US07/052,816 patent/US4844569A/en not_active Expired - Lifetime
-
1989
- 1989-04-28 US US07/345,048 patent/US4909606A/en not_active Expired - Lifetime
-
1998
- 1998-12-08 HK HK98112969A patent/HK1012041A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR870011494A (ko) | 1987-12-23 |
| US4909606A (en) | 1990-03-20 |
| EP0795773A1 (de) | 1997-09-17 |
| EP0246842A3 (de) | 1990-08-01 |
| DE3752339T2 (de) | 2002-05-08 |
| DE3752219D1 (de) | 1998-10-29 |
| DE3752219T2 (de) | 1999-02-18 |
| EP0246842A2 (de) | 1987-11-25 |
| US4844569A (en) | 1989-07-04 |
| EP0246842B1 (de) | 1998-09-23 |
| HK1012041A1 (en) | 1999-07-23 |
| EP1156362A1 (de) | 2001-11-21 |
| KR920007409B1 (en) | 1992-08-31 |
| EP0795773B1 (de) | 2001-10-31 |
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| 8364 | No opposition during term of opposition |