发明名称 |
COMPOSITION FOR LIQUID CRYSTAL COLOR DISPLAY |
摘要 |
<p>PCT No. PCT/JP81/00258 Sec. 371 Date May 21, 1982 Sec. 102(e) Date May 21, 1982 PCT Filed Sep. 30, 1981 PCT Pub. No. WO82/01191 PCT Pub. Date Apr. 15, 1982.As dichroic dyes for use in a liquid color display device, compounds of formula (I) <IMAGE> (I) such as 4'-octylphenyl perylene-3,9-dicarboxylate are provided. These compounds have various characteristic properties. For example, (1) they have a sufficient coloring ability in small amounts; (2) they have a high dichroic ratio and show a high contrast by application and non-application of voltage; (3) they have sufficient compatibility with liquid crystals; (4) they have excellent durability, are stable, and do not reduce the performance of a display device even in long-term use.</p> |
申请公布号 |
EP0060895(B1) |
申请公布日期 |
1985.05.02 |
申请号 |
EP19810902730 |
申请日期 |
1981.09.30 |
申请人 |
MITSUI TOATSU CHEMICALS, INCORPORATED |
发明人 |
YAMADA, YASUYUKI;TANAKA, TADAAKI;TUKAHARA, RYOICHI;NISHIZAWA, TSUTOMU |
分类号 |
C09B3/14;C09K19/60;G02F1/137;(IPC1-7):C09K19/32;G09F9/35;G09F9/00 |
主分类号 |
C09B3/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|