Claims
- 1. A luminescent compound having formula 1:wherein A is an electron-donating group, and B is an electron-attracting group having formula 3:wherein each Z is hydrogen atom or cyano group, with the proviso that at least one Z is cyano group, and D is an aryl group having at least one electron-attracting group, or an ester group.
- 2. The luminescent compound according to claim 1, wherein the electron-donating group is an alkyl, haloalkyl, aminoaryl, alkylaminoaryl, or alkoxyaryl group, each of said alkyl group, haloalkyl group, and alkoxy group of the alkoxyaryl group has a carbon number of 1 to 20, said alkylaminoaryl group includes a monoalkylaminoaryl group and dialkylaminoaryl group, the alkyl group of said alkylaminoaryl group has a carbon number of 1 to 20.
- 3. The luminescent compound according to claim 1, wherein said D is an aryl group having at least one fluorine-containing electron-attracting group.
Priority Claims (2)
Number |
Date |
Country |
Kind |
11-343928 |
Dec 1999 |
JP |
|
2000-186941 |
Jun 2000 |
JP |
|
Parent Case Info
This is a 371 of PCT/JP00/08471 filed Nov. 30, 2000.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
PCT/JP00/08471 |
|
WO |
00 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO01/40401 |
6/7/2001 |
WO |
A |
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5378519 |
Kikuchi et al. |
Jan 1995 |
A |
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DE |
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Jul 1991 |
JP |
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Sep 1991 |
JP |
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JP |
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