Title:
ORGANIC LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/231021
Kind Code:
A1
Abstract:
The present invention provides an organic light emitting device comprising: an anode; a cathode provided opposite to the anode; a light emitting layer provided between the anode and the cathode; a hole transport region provided between the anode and the light emitting layer; and an electron transport region provided between the light emitting layer and the cathode, wherein the electron transport region contains a compound represented by chemical formula 1, and the light emitting layer contains a compound represented by chemical formula 2.
Inventors:
CHA YONGBUM (KR)
LEE WOOCHUL (KR)
HONG SUNG KIL (KR)
CHO WOO JIN (KR)
LEE WOOCHUL (KR)
HONG SUNG KIL (KR)
CHO WOO JIN (KR)
Application Number:
PCT/KR2020/005027
Publication Date:
November 19, 2020
Filing Date:
April 14, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01L51/00; H01L51/50
Foreign References:
| KR20180111558A | 2018-10-11 | |||
| KR20060050915A | 2006-05-19 | |||
| KR20190003086A | 2019-01-09 | |||
| KR20190014472A | 2019-02-12 | |||
| CN108997201A | 2018-12-14 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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