Title:
COMPOUND HAVING AZABENZOXAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2020/111081
Kind Code:
A1
Abstract:
A purpose of the present invention is to provide, as a material for organic EL elements having high efficiency and high durability, an organic compound which has excellent characteristics including excellent electron injection/transport performance, hole blocking ability and high stability in the form of a thin film; and another purpose of the present invention is to provide an organic EL element having high efficiency and high durability with use of this compound. A compound having an azabenzoxazole ring structure according to the present invention exhibits excellent heat resistance, while having good electron transport ability. An organic EL element which uses this compound in an electron transport layer, a hole blocking layer, a light emitting layer and an electron injection layer has exhibited good element characteristics.
Inventors:
KASE KOUKI (JP)
KIM SI-IN (JP)
KIM JI-YUNG (JP)
HIRAYAMA YUTA (JP)
KIM SI-IN (JP)
KIM JI-YUNG (JP)
HIRAYAMA YUTA (JP)
Application Number:
PCT/JP2019/046248
Publication Date:
June 04, 2020
Filing Date:
November 26, 2019
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
H01L51/50; C07D498/04
Domestic Patent References:
| WO2015022835A1 | 2015-02-19 | |||
| WO2019214681A1 | 2019-11-14 |
Foreign References:
| KR20120140603A | 2012-12-31 | |||
| KR20150030294A | 2015-03-20 | |||
| KR20170050048A | 2017-05-11 | |||
| JP2008127315A | 2008-06-05 | |||
| JP2013520410A | 2013-06-06 | |||
| KR20170114790A | 2017-10-16 | |||
| JP2005514382A | 2005-05-19 | |||
| US5792557A | 1998-08-11 | |||
| US5639914A | 1997-06-17 | |||
| US9123897B2 | 2015-09-01 | |||
| US5869199A | 1999-02-09 | |||
| US9199966B2 | 2015-12-01 | |||
| EP2684932A1 | 2014-01-15 | |||
| US6878469B2 | 2005-04-12 |
Other References:
"Substituted 2‑Phenylimidazopyridines: A New Class of Drug Leads for Human African Trypanosomiasis", JOURNAL OF MEDICINAL CHEMISTRY, vol. 57, no. 3, 2014, pages 828 - 835; 830, XP055116148
PROCEEDINGS OF THE 9TH MEETING OF THE JAPAN SOCIETY OF APPLIED PHYSICS, 2001, pages 23 - 31
APPL. PHYS. LETT., vol. 98, 2011, pages 083302
EXTENDED ABSTRACTS OF THE 50TH MEETING, THE JAPAN SOCIETY OF APPLIED PHYSICS AND RELATED SOCIETIES, 2003, pages 1413
"The Journal of Molecular Electronics and Bioelectronics", JAPAN SOCIETY OF APPLIED PHYSICS, vol. 11, no. 1, 2000, pages 13 - 19
SYNLETT, vol. 7, 2009, pages 1172 - 1174
See also references of EP 3890043A4
PROCEEDINGS OF THE 9TH MEETING OF THE JAPAN SOCIETY OF APPLIED PHYSICS, 2001, pages 23 - 31
APPL. PHYS. LETT., vol. 98, 2011, pages 083302
EXTENDED ABSTRACTS OF THE 50TH MEETING, THE JAPAN SOCIETY OF APPLIED PHYSICS AND RELATED SOCIETIES, 2003, pages 1413
"The Journal of Molecular Electronics and Bioelectronics", JAPAN SOCIETY OF APPLIED PHYSICS, vol. 11, no. 1, 2000, pages 13 - 19
SYNLETT, vol. 7, 2009, pages 1172 - 1174
See also references of EP 3890043A4
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
Download PDF:
Previous Patent: INDWELLING NEEDLE ASSEMBLY
Next Patent: (METH)ACRYLIC RESIN COMPOSITION AND (METH)ACRYLIC RESIN FILM
Next Patent: (METH)ACRYLIC RESIN COMPOSITION AND (METH)ACRYLIC RESIN FILM