| 发明名称 |
Electrochromic display devices comprising thienylidene pyrazoline compounds |
| 摘要 |
This invention relates to a reversible display device based upon the electrochromic properties of certain thienylidene pyrazoline compounds when used in conjunction with a complementary redox material.
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| 申请公布号 |
US4090782(A) |
申请公布日期 |
1978.05.23 |
| 申请号 |
US19770801946 |
申请日期 |
1977.05.31 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BREDFELDT, KARIN ELSE;CHAMP, ROBERT BRUCE;FOWLER, KARL JOHN |
| 分类号 |
C09K9/02;G02F1/15;G02F1/17;G09F9/30;(IPC1-7):G02F1/17;G02F1/20;G02B5/23 |
主分类号 |
C09K9/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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