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Title:
ORGANIC LIGHT-EMITTING DIODE
Document Type and Number:
WIPO Patent Application WO/2020/045954
Kind Code:
A1
Abstract:
The present invention provides an organic light-emitting diode comprising: an anode; a cathode; a light-emitting layer disposed between the anode and the cathode; and an electron transport layer disposed between the cathode and the light-emitting layer, wherein the electron transport layer comprises a compound represented by chemical formula 1, whereby the organic light-emitting diode exhibits a ratio of maximum efficiency value (Effmax) to minimum efficiency value (Effmin) of 1.5 or less at a current density of 0.1 mA/cm2 to 10 mA/cm2 in a current density-efficiency plot thereof.

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Inventors:
YOON JUNG MIN (KR)
KIM KONGKYEOM (KR)
CHUN MINSEUNG (KR)
KOO KI DONG (KR)
KIM YOUNG SEOK (KR)
LEE MIN WOO (KR)
OH JOONGSUK (KR)
Application Number:
PCT/KR2019/010935
Publication Date:
March 05, 2020
Filing Date:
August 27, 2019
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01L51/00; H01L51/50
Domestic Patent References:
WO2017171376A12017-10-05
WO2018182259A12018-10-04
WO2019004790A12019-01-03
Foreign References:
KR20170071399A2017-06-23
KR101593368B12016-02-11
KR20170126691A2017-11-20
KR101784606B12017-11-06
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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