Organic light emitting device (OLED) with multiple capping layers passivation region on an electrode
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 11, 2004
Grant Date -
Feb 5, 2004
app pub date -
Jul 30, 2002
filing date -
Jul 30, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An organic fight emitting device (OLED) will have multiple capping layers on an electrode to provide a passivation region to prevent formation of dark spots. The passivation capping layers are, in sequence from the electrode, a first dielectric material layer, a metal or metal alloy layer with a work function of less than 4 eV, and a second dielectric protective layer.
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