Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 9, 2021
Grant Date -
Jan 19, 2017
app pub date -
Mar 2, 2015
filing date -
Mar 11, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The spiro compound of a general formula (1) having an azafluorene ring structure is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully