Claims
- 1. An electro-luminescence device, comprising a pair of electrodes in a region provided therebetween, said region performing hole-transporting, light emitting and electron-transporting, said region comprising at least one of the compounds having the formula (I) to (V): ##STR60## wherein R.sub.11 and R.sub.12 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, a phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s), with the proviso that at least one of R.sub.11 and R.sub.12 is a normal butyl group, an isobutyl group, a secondary butyl group, a tertiary butyl group, a phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group; and and R.sub.13 represents a hydrogen represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atoms: ##STR61## wherein R.sub.21, R.sub.22 and R.sub.23 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.24 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.1 represents a group represented by any one of the following structural formulae (a1) to (i1); ##STR62## in which R.sub.25 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR63## wherein R.sub.31, R.sub.32 and R.sub.33 may be the same or different and each represent a hydrogen atom, a lower alkyl group or a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.34 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.2 represents a group represented by any one of the following formulae (j1) to (n1); ##STR64## wherein R.sub.41 and R.sub.42 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.43 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.3 represents a group represented by any one of the following structural formulae (a2) to (i2); ##STR65## in which R.sub.44 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR66## wherein R.sub.51 and R.sub.52 may be the same or different and each represent a hydrogen atom, a lower alkyl group or a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.53 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.4 represents a group represented by any one of the following formulae (j2) to (n2); ##STR67##
- 2. The electro-luminescence device according to claim 1, wherein said region comprises a hole-transporting layer, a light emitting layer and an electron-transporting layer.
- 3. The electro-luminescence device according to claim 2, wherein said hole-transporting layer comprises at least two selected from the group consisting of the compounds represented by formulas (I) through (V): ##STR68## wherein R.sub.11 and R.sub.12 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, a phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s), with the proviso that at lest one of R.sub.11 and R.sub.12 is a normal butyl group, an isobutyl group, a secondary butyl group, a tertiary butyl group, a phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group; and and R.sub.13 represents a hydrogen represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atoms: ##STR69## wherein R.sub.21, R.sub.22 and R.sub.23 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.24 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.1 represents a group represented by any one of the following structural formulae (a1) to (i1); ##STR70## in which R.sub.25 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR71## wherein R.sub.31, R.sub.32 and R.sub.33 may be the same or different and each represent a hydrogen atom, a lower alkyl group or a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.34 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.2 represents a group represented by any one of the following formulae (j1) to (n1); ##STR72## wherein R.sub.41 and R.sub.42 may be the same or different and each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.43 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.3 represents a group represented by any one of the following structural formulae (a2) to (i2); ##STR73## in which R.sub.44 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR74## wherein R.sub.51 and R.sub.52 may be the same or different and each represent a hydrogen atom, a lower alkyl group or a lower alkoxy group, an unsubstituted phenyl group, or a phenyl group having a lower alkyl group or a lower alkoxy group as a substituent(s); R.sub.53 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A.sub.4 represents a group represented by any one of the following formulae (j2) to (n2); ##STR75##
- 4. The electro-luminescence device according to claim 2, wherein said hole-transporting layer also serves as said light emitting layer.
- 5. The electro-luminescence device according to claim 2, wherein said electron-transporting layer also serves as said light emitting layer.
Priority Claims (7)
Number |
Date |
Country |
Kind |
5-273883 |
Nov 1993 |
JPX |
|
5-293800 |
Nov 1993 |
JPX |
|
5-293801 |
Nov 1993 |
JPX |
|
6-132744 |
Jun 1994 |
JPX |
|
6-155470 |
Jun 1994 |
JPX |
|
6-236622 |
Sep 1994 |
JPX |
|
6-259688 |
Sep 1994 |
JPX |
|
Parent Case Info
This is a Division of application Ser. No. 08/332,726 filed Nov. 1, 1994, now U.S. Pat. No. 5,639,914.
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4588666 |
Stolka et al. |
May 1986 |
|
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|
4833054 |
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5482822 |
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|
Foreign Referenced Citations (2)
Number |
Date |
Country |
5-239455 |
Sep 1993 |
JPX |
6-199745 |
Jul 1995 |
JPX |
Non-Patent Literature Citations (3)
Entry |
Tang et al., Appl. Phys. Lett., vol. 51, No. 12, pp. 913-915, Oct. 1987. |
DATABASE WPI, Derwent Publications Ltd., AN 91-187965, JP-A-2 234 394, Oct. 1990. |
Nakaya et al., Chemical Abstracts, vol. 123, abstract 270294, 1995. |
Divisions (1)
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Number |
Date |
Country |
Parent |
332726 |
Nov 1994 |
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