Title:
液晶(E,E)―ブタジエン化合物及び混合物並びにその様な化合物を含有する装置
Document Type and Number:
Japanese Patent JP4008962
Kind Code:
B2
Abstract:
PCT No. PCT/GB97/02542 Sec. 371 Date Mar. 19, 1999 Sec. 102(e) Date Mar. 19, 1999 PCT Filed Sep. 22, 1997 PCT Pub. No. WO98/13325 PCT Pub. Date Apr. 2, 1998Liquid crystalline compounds useful in super twisted nematic liquid crystal displays are described and have the formula: wherein n is 1-5; m is 0-5; p is 0, 1 or 2; q is 0, 1 or 2 p+q is less than or equal to 3; A1, A2, A3 are independently chosen from 1,4-disubstituted benzene 2,5-disubstituted pyrimidine, 1,5-disubstituted pyridine, 2,6-disubstituted naphthalene which may be laterally substituted with F, Cl, Br or CN, trans-1,4-disubstituted cyclohexane 2,5-disubstituted dioxane, 2,5-disubstituted thiophene, 2,5-disubstituted furan, 2,5-disubstituted thiodiazole Z1 may be COO, OOC, OCH2, O; Z2, Z3 are independently chosen from a direct bond, COO, OOC, C2H4, CH2O, OCH2, C4H8, C3H6O, (E)-CH=CHC2H4, (E)-CH=CHCH2O, -C 3BOND C-; R1 is alkyl, and may contain up to 20 carbon atoms and may be branched or a straight chain; provided that at least one of, A1, A2, A3 is selected from 1,4-disubstituted cyclochexane.
Inventors:
Duffy Warren Lee
Goodbye John William
Kelly Stephen Markham
Goodbye John William
Kelly Stephen Markham
Application Number:
JP51537098A
Publication Date:
November 14, 2007
Filing Date:
September 22, 1997
Export Citation:
Assignee:
QINETIQ LIMITED
International Classes:
C07C43/188; G02F1/13; C07C43/215; C07C43/225; C07C69/587; C07C69/773; C07C255/54; C07C255/55; C07D213/55; C07D213/85; C07D239/26; C07D319/06; C07D333/16; C07D333/38; C09K19/06; C09K19/12; C09K19/30; C09K19/32; C09K19/34
Domestic Patent References:
JP5286873A |
Foreign References:
DE4434976A1 |
Other References:
KELLY S.M. , THE EFFECT OF THE POSITION AND CONFIGURATION OF CARBON-CARBON DOUBLE BONDS ON THE MESOMORPHISM OF THERMOTROPIC, NON-AMPHIPHILIC LIQUID CRYSTALS, LIQUID CRYSTALS, 英国, TAYLOR AND FRANCIS, 1996 年 5月, Vol.20, No.5, p.493-515
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda