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Title:
ORGANIC LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/022580
Kind Code:
A1
Abstract:
An organic light-emitting device is disclosed. The organic light-emitting device comprises: an anode; a cathode; an organic layer which is interposed between the anode and the cathode and includes a light-emitting layer; and an exciton quenching layer interposed between the anode and the light-emitting layer and in direct contact with the light-emitting layer, wherein the light-emitting layer comprises a host and a dopant, and the exciton quenching layer comprises a quenching material, wherein T1 (lowest excited triplet energy level) of the quenching material is greater than or equal to T1 of the host, and T1 of the quenching material is greater than or equal to T1 of the dopant.

Inventors:
YOON, Seok Gyu (1 Samsung-ro, Giheung-Gu Yongin-Si, Gyeonggi-do, 17113, KR)
SHIN, Hyo Sup (1 Samsung-ro, Giheung-Gu Yongin-Si, Gyeonggi-do, 17113, KR)
Application Number:
KR2018/015012
Publication Date:
January 30, 2020
Filing Date:
November 29, 2018
Export Citation:
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Assignee:
SAMSUNG DISPLAY CO.,LTD. (1 Samsung-ro, Giheung-Gu Yongin-Si, Gyeonggi-do, 17113, KR)
International Classes:
H01L51/50
Foreign References:
KR20130048170A2013-05-09
KR101016164B12011-02-17
KR101736661B12017-05-16
KR20150086095A2015-07-27
KR20170072728A2017-06-27
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (12F Daerim Acrotel, 13 Eonju-ro 30-gilGangnam-Gu, Seoul, 06292, KR)
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