Patent Assignment
Reel/Frame 012328/0343
Assignment of Assignor's Interest
Recorded: 2001-11-28
Pages: 3
Assignors
YAMAZAKI, SHUNPEI
Executed: 2001-10-23
NISHI, TAKESHI
Executed: 2001-10-22
MIZUKAMI, MAYUMI
Executed: 2001-10-17
IKEDA, HISAO
Executed: 2001-10-22
Assignee
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
ATSUGI-SHI, 398, HASE, KANAGAWA-KEN, 243-0, JAPAN
Covered Property
(1)
Light Emitting Device Comprising Light-Emiting Layer Having Trplet Compound and Light-Emitting Layer Having Singlet Compound