Title:
ORGANIC ELECTROLUMINESCENCE ELEMENT AND LIGHT-EMITTING FILM
Document Type and Number:
WIPO Patent Application WO/2021/106366
Kind Code:
A1
Abstract:
The organic electroluminescence element according to the present invention contains a boron atom-containing carbon radical compound, wherein an unpaired electron of the carbon radical is included in an atomic group that constitutes a π-conjugated system delocalized in the boron atom.
Inventors:
TABATA KENICHI (JP)
MIYATA YASUO (JP)
YAMAGUCHI SHIGEHIRO (JP)
ITO MASATO (JP)
MIYATA YASUO (JP)
YAMAGUCHI SHIGEHIRO (JP)
ITO MASATO (JP)
Application Number:
PCT/JP2020/037460
Publication Date:
June 03, 2021
Filing Date:
October 01, 2020
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
C09K11/06; H01L51/50
Domestic Patent References:
| WO2017164093A1 | 2017-09-28 |
Other References:
KUSHIDA TOMOKATSU, SHIRAI SHUSUKE, ANDO NAOKI, OKAMOTO TOSHIHIRO, ISHII HIROYUKI, MATSUI HIROYUKI, YAMAGISHI MASAKAZU, UEMURA TAKA: "Boron-Stabilized Planar Neutral π-Radicals with Well-Balanced Ambipolar Charge-Transport Properties", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, US, vol. 139, no. 41, 18 October 2017 (2017-10-18), US, pages 14336 - 14339, XP055830453, ISSN: 0002-7863, DOI: 10.1021/jacs.7b05471
AI XIN; EVANS EMRYS W.; DONG SHENGZHI; GILLETT ALEXANDER J.; GUO HAOQING; CHEN YINGXIN; HELE TIMOTHY J.; FRIEND RICHARD H.; LI FEN: "Efficient radical-based light-emitting diodes with doublet emission", NATURE, MACMILLAN JOURNALS LTD., ETC., LONDON, vol. 563, no. 7732, 21 November 2018 (2018-11-21), London, pages 536 - 540, XP036642794, ISSN: 0028-0836, DOI: 10.1038/s41586-018-0695-9
ANDO NAOKI, SOUTOME HIROKI, YAMAGUCHI SHIGEHIRO: "Near-infrared fluorescein dyes containing a tricoordinate boron atom", CHEMICAL SCIENCE, ROYAL SOCIETY OF CHEMISTRY, UNITED KINGDOM, vol. 10, no. 33, 21 August 2019 (2019-08-21), United Kingdom, pages 7816 - 7821, XP055830455, ISSN: 2041-6520, DOI: 10.1039/C9SC02314C
AI XIN; EVANS EMRYS W.; DONG SHENGZHI; GILLETT ALEXANDER J.; GUO HAOQING; CHEN YINGXIN; HELE TIMOTHY J.; FRIEND RICHARD H.; LI FEN: "Efficient radical-based light-emitting diodes with doublet emission", NATURE, MACMILLAN JOURNALS LTD., ETC., LONDON, vol. 563, no. 7732, 21 November 2018 (2018-11-21), London, pages 536 - 540, XP036642794, ISSN: 0028-0836, DOI: 10.1038/s41586-018-0695-9
ANDO NAOKI, SOUTOME HIROKI, YAMAGUCHI SHIGEHIRO: "Near-infrared fluorescein dyes containing a tricoordinate boron atom", CHEMICAL SCIENCE, ROYAL SOCIETY OF CHEMISTRY, UNITED KINGDOM, vol. 10, no. 33, 21 August 2019 (2019-08-21), United Kingdom, pages 7816 - 7821, XP055830455, ISSN: 2041-6520, DOI: 10.1039/C9SC02314C
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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