| 发明名称 |
Dichromatic coloring matter for a colored liquid crystal display element |
| 摘要 |
A dichromatic coloring matter for a colored liquid crystal display element comprising a compound of the general formula: <IMAGE> +TR <IMAGE> where A and B each stand for <IMAGE> +TR <IMAGE> where n is 0, 1, 2, 3 or 4, and X and Y each stand for <IMAGE> where R1 and R2 stand for an alkyl group or hydrogen, -R (alkyl group) or -OR (alkoxy group). |
| 申请公布号 |
US4607097(A) |
申请公布日期 |
1986.08.19 |
| 申请号 |
US19840616722 |
申请日期 |
1984.06.04 |
| 申请人 |
ALPS ELECTRIC CO., LTD.;SANYO COLOR WORKS LTD. |
发明人 |
KANO, MITSURU;KATO, YOSHINORI;KAMIJO, YOSHIMI;TAKEDA, YOSHIO;SAKIKUBO, YOSHINARI;YAGI, NAOKI |
| 分类号 |
C09B5/62;C09K19/60;(IPC1-7):G02F1/13 |
主分类号 |
C09B5/62 |
| 代理机构 |
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代理人 |
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