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US5707747A Expired / Lapsed US ⏱️ 0.0 years remaining

Amine compound and electro-luminescence device comprising same

Assignee: Hodogaya Chemical Co Ltd
•
Filing: 1996-10-25
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Granted: 1998-01-13
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Expires: 2016-10-25
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Abstract

Abstract The present invention provides novel amine compounds useful as electron-transporting materials to be incorporated in organic electro-luminescence devices. More particularly, the present invention provides an organic electro-luminescence device (organic EL device) which can find wide application in various display units, requires a low applied voltage and exhibits a high luminance and an excellent stability.

Inventors

  • 👤 Hiromitsu Tomiyama
  • 👤 Masahiko Oshino
  • 👤 Ikuko Ihara
  • 👤 Naoko Nakanishi
  • 👤 Mutsumi Suzuki
  • 👤 Masao Fukuyama
  • 👤 Mutsuaki Murakami
  • 👤 Taro Nambu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:16
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/78; C07C217/80; C07C217/82; C07C217/84; C07C211/00; C07C211/43; C07C211/54; C07C211/56; C07C211/57; C07C211/61; C07C217/92; C07C225/00; C07C225/22; C07C275/00; C07C275/28; C07C275/40; C07C317/00; C07C317/26; C07C317/32; C07C317/34; C07C317/36; C07C323/00; C07C323/23; C07C323/31; C07C323/33; C07C323/35; C07C323/37; C09; C09K; C09K11/00; C09K11/06; H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; C07C2601/00; C07C2601/12; C07C2601/14; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18; Y; Y10; Y10S; Y10S428/00; Y10S428/917; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31909

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 537 words
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 11 and R 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 11 and R 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 13 represents a hydrogen represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atoms: ##STR61## wherein R 21 , R 22 and R 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 24 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 1 represents a group represented by any one of the following structural formulae (a1) to (i1); ##STR62## in which R 25 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR63## wherein R 31 , R 32 and R 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 34 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 2 represents a group represented by any one of the following formulae (j1) to (n1); ##STR64## wherein R 41 and R 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 43 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 3 represents a group represented by any one of the following structural formulae (a2) to (i2); ##STR65## in which R 44 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR66## wherein R 51 and R 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 53 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 4 represents a group represented by any one of the following formulae (j2) to (n2); ##STR67##
Claim 2
Dependent Claim 537 words
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 11 and R 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 11 and R 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 13 represents a hydrogen represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atoms: ##STR61## wherein R 21 , R 22 and R 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 24 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 1 represents a group represented by any one of the following structural formulae (a1) to (i1); ##STR62## in which R 25 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR63## wherein R 31 , R 32 and R 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 34 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 2 represents a group represented by any one of the following formulae (j1) to (n1); ##STR64## wherein R 41 and R 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 43 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 3 represents a group represented by any one of the following structural formulae (a2) to (i2); ##STR65## in which R 44 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR66## wherein R 51 and R 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 53 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 4 represents a group represented by any one of the following formulae (j2) to (n2); ##STR67##
Claim 3
Dependent Claim 22 words
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.
Claim 4
Dependent Claim 530 words
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 11 and R 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 11 and R 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 13 represents a hydrogen represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atoms: ##STR69## wherein R 21 , R 22 and R 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 24 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 1 represents a group represented by any one of the following structural formulae (a1) to (i1); ##STR70## in which R 25 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR71## wherein R 31 , R 32 and R 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 34 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 2 represents a group represented by any one of the following formulae (j1) to (n1); ##STR72## wherein R 41 and R 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 43 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 3 represents a group represented by any one of the following structural formulae (a2) to (i2); ##STR73## in which R 44 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; ##STR74## wherein R 51 and R 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 53 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom; and A 4 represents a group represented by any one of the following formulae (j2) to (n2); ##STR75##
Claim 5
Dependent Claim 18 words
The electro-luminescence device according to claim 2, wherein said hole-transporting layer also serves as said light emitting layer.
Claim 6
Dependent Claim 18 words
The electro-luminescence device according to claim 2, wherein said electron-transporting layer also serves as said light emitting layer.

References Cited (Backward Citations)

US4588666A Cited
US4833054A Cited
US4720432A Cited
JPH05239455A Cited
US5482822A Cited
JPH06199745A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-01-12 2001-07-14 2002-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-01-12 2005-07-14 2006-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-01-12 2009-07-14 2010-01-13 $7700.00 Window Closed / Lapsed

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