Light emitting device and image playback device having triplet and singlet compounds in electroluminescent layer | Patent Publication Number 20070170853

US 20070170853 A1
Patent NumberUS 07372199 B2
Application Number11727309
Filled DateMar 26, 2007
Priority DateAug 24, 2001
Publication DateJul 26, 2007
Original AssigneeSemiconductor Energy Laboratory
Current AssigneeSemiconductor Energy Laboratory
Inventor/ApplicantsShunpei Yamazaki
Takeshi Nishi
Mayumi Mizukami
Hisao Ikeda
Patent Prosecution report image

Empower your practice with Patexia Publication Prosecution IP Module.

Get access to our exclusive rankings and unlock powerful data.
Check our Latest ReportPurchase IP Module

Looking for a Publication Attorney?

Get in touch with our team or create your account to start exploring a network of over 120K attorneys.