DE3266370D1 - Liquid crystal composition - Google Patents

Liquid crystal composition

Info

Publication number
DE3266370D1
DE3266370D1 DE8282105506T DE3266370T DE3266370D1 DE 3266370 D1 DE3266370 D1 DE 3266370D1 DE 8282105506 T DE8282105506 T DE 8282105506T DE 3266370 T DE3266370 T DE 3266370T DE 3266370 D1 DE3266370 D1 DE 3266370D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal composition
composition
liquid
crystal
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
Application number
DE8282105506T
Other languages
English (en)
Inventor
Masaharu Kaneko
Tetsuo Ozawa
Tomio Yoneyama
Shuji C O Hitachi Ltd Imazeki
Akio C O Hitachi Ltd Mukoh
Mikio C O Hitachi Ltd Sato
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 Mitsubishi Kasei Corp Tokio/tokyo
Original Assignee
Hitachi Ltd
Mitsubishi Kasei Corp
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, Mitsubishi Kasei Corp filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3266370D1 publication Critical patent/DE3266370D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/14—Perylene derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
DE8282105506T 1981-06-26 1982-06-23 Liquid crystal composition Expired DE3266370D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56099521A JPS581775A (ja) 1981-06-26 1981-06-26 液晶組成物

Publications (1)

Publication Number Publication Date
DE3266370D1 true DE3266370D1 (en) 1985-10-24

Family

ID=14249538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282105506T Expired DE3266370D1 (en) 1981-06-26 1982-06-23 Liquid crystal composition

Country Status (4)

Country Link
US (1) US4454057A (de)
EP (1) EP0068427B1 (de)
JP (1) JPS581775A (de)
DE (1) DE3266370D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5763377A (en) * 1980-10-03 1982-04-16 Mitsui Toatsu Chem Inc Liquid crystal composition for color display
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物
US4607097A (en) * 1983-06-03 1986-08-19 Alps Electric Co., Ltd. Dichromatic coloring matter for a colored liquid crystal display element
US4597891A (en) * 1984-06-04 1986-07-01 Polaroid Corporation Liquid crystal compositions and devices and novel compounds
GB8429991D0 (en) * 1984-11-28 1985-01-09 Gen Electric Co Plc Display devices
EP0217239B1 (de) * 1985-09-30 1990-10-24 Hoechst Aktiengesellschaft Chirale Phenolester mesogener Carbonsäuren und ihre Verwendung als Dotierstoff in Flüssigkristal-Phasen
GB8607096D0 (en) * 1986-03-21 1986-04-30 Gen Electric Co Plc Liquid crystal displays
US6057906A (en) * 1996-03-29 2000-05-02 Kabushiki Kaisha Toshiba Liquid crystal display element
WO2000032960A1 (fr) 1998-12-03 2000-06-08 Hitachi, Ltd. Transmission automatique a engrenage et automobile utilisant cette transmission
US9701905B2 (en) 2012-12-13 2017-07-11 Merck Patent Gmbh Liquid-crystalline medium
JP6527471B2 (ja) 2013-03-05 2019-06-05 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ エネルギーの通過を調節するためのデバイス
KR102266840B1 (ko) 2013-05-08 2021-06-18 메르크 파텐트 게엠베하 광 에너지의 통과를 조절하기 위한 2개의 액정 스위칭 층을 포함하는 장치
KR102234246B1 (ko) 2013-05-24 2021-04-01 메르크 파텐트 게엠베하 이색성 염료를 함유하는, 에너지 통과를 조절하기 위한 장치
US10626666B2 (en) 2013-12-19 2020-04-21 Merck Patent Gmbh Device for regulating the passage of light
DE102015005800A1 (de) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
JP6884748B2 (ja) 2015-07-10 2021-06-09 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ ジチオアルキルピロロピロール類および色素としてのその使用
EP3458549B1 (de) * 2016-05-20 2020-07-22 Merck Patent GmbH Fluessigkristallines material
CN109790467B (zh) 2016-06-28 2022-08-09 默克专利股份有限公司 液晶介质
WO2018015320A1 (en) 2016-07-19 2018-01-25 Merck Patent Gmbh Liquid crystalline medium
WO2019238567A1 (en) 2018-06-11 2019-12-19 Merck Patent Gmbh Liquid crystalline medium
EP3810725A1 (de) 2018-06-20 2021-04-28 Merck Patent GmbH Flüssigkristallines medium
US11702597B2 (en) 2018-09-25 2023-07-18 Merck Patent Gmbh Azo dye
EP3884011B1 (de) 2018-11-23 2024-02-14 Merck Patent GmbH Dichroitische farbstoffzusammensetzung
JP2022516008A (ja) 2018-12-19 2022-02-24 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング スイッチング素子に使用されるスイッチング層
WO2020254219A1 (en) 2019-06-17 2020-12-24 Merck Patent Gmbh Liquid crystal-based light valve
EP3839620A1 (de) 2019-12-16 2021-06-23 Merck Patent GmbH Vorrichtung zur regelung der lichttransmission
EP4259747A1 (de) 2020-12-11 2023-10-18 Merck Patent GmbH Vorrichtung zur regelung der lichttransmission
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5448572A (en) * 1977-08-08 1979-04-17 Secr Defence Brit Liquid crystal display device
JPS5448571A (en) * 1977-08-08 1979-04-17 Secr Defence Brit Liquid crystal display device
CH638624A5 (de) * 1978-04-12 1983-09-30 Secr Defence Brit Elektrooptisches fluessigkristall-anzeigegeraet.
DE2851513C3 (de) * 1978-11-29 1993-11-18 Bayer Ag Lichtsammelsystem
EP0025809A1 (de) * 1979-09-21 1981-04-01 BBC Aktiengesellschaft Brown, Boveri & Cie. Flüssigkristallmischung
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
JPS5774361A (en) * 1980-08-22 1982-05-10 Bbc Brown Boveri & Cie Liquid crystal mixture and novel bichromophoric coloring matter
EP0047027A1 (de) * 1980-08-22 1982-03-10 BBC Aktiengesellschaft Brown, Boveri & Cie. Flüssigkristallmischung
JPS5763377A (en) * 1980-10-03 1982-04-16 Mitsui Toatsu Chem Inc Liquid crystal composition for color display
US4378302A (en) * 1980-12-16 1983-03-29 General Electric Company Red perylene dichroic dye containing liquid crystal formulations

Also Published As

Publication number Publication date
EP0068427B1 (de) 1985-09-18
JPH0148306B2 (de) 1989-10-18
US4454057A (en) 1984-06-12
EP0068427A1 (de) 1983-01-05
JPS581775A (ja) 1983-01-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI, LTD. MITSUBISHI KASEI CORP., TOKIO/TOKYO,

8339 Ceased/non-payment of the annual fee