Title:
ORGANIC ELECTROLUMINESCENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/186622
Kind Code:
A1
Abstract:
The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure can exhibit high efficiency and/or long lifespan by comprising at least specific combination of a light-emitting layer and a hole transport zone.
Inventors:
LEE TAE-JIN (KR)
CHO SANG-HEE (KR)
KIM BITNARI (KR)
CHO YOUNG-JUN (KR)
CHO SANG-HEE (KR)
KIM BITNARI (KR)
CHO YOUNG-JUN (KR)
Application Number:
PCT/KR2018/003707
Publication Date:
October 11, 2018
Filing Date:
March 29, 2018
Export Citation:
Assignee:
ROHM & HAAS ELECT MATERIALS KOREA LTD (KR)
International Classes:
H01L51/50; C09K11/06
Foreign References:
EP2372805A2 | 2011-10-05 |
Other References:
SEO, S. ET AL.: "Exciplex-triplet energy transfer: A new method to achieve extremely efficient organic light-emitting diode with external quantum efficiency over 30% and drive voltage below 3V", JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 53, no. 4, April 2014 (2014-04-01), pages 042102-1 - 042102-8, XP055559909
POSCH, P. ET AL.: "A comparison of hole blocking/electron transport polymers in organic LEDs", ACTA POLYMERICA, vol. 49, no. 9, September 1998 (1998-09-01), pages 487 - 494, XP055559913
GUAN, M. ET AL.: "The host materials containing carbazole and oxaziazole fragment for red triplet emitter in organic light-emitting diodes", ORGANICS ELECTRONICS, vol. 7, no. 5, October 2006 (2006-10-01), pages 330 - 336, XP055559915
POSCH, P. ET AL.: "A comparison of hole blocking/electron transport polymers in organic LEDs", ACTA POLYMERICA, vol. 49, no. 9, September 1998 (1998-09-01), pages 487 - 494, XP055559913
GUAN, M. ET AL.: "The host materials containing carbazole and oxaziazole fragment for red triplet emitter in organic light-emitting diodes", ORGANICS ELECTRONICS, vol. 7, no. 5, October 2006 (2006-10-01), pages 330 - 336, XP055559915
Attorney, Agent or Firm:
CHANG, Hoon (KR)
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