Patent Assignment
Reel/Frame 025747/0552
Assignment of Assignor's Interest
Recorded: 2011-02-04
Pages: 3
Assignor
KUROKAWA, YOSHIYUKI
Executed: 2011-01-17
Assignee
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
398, HASE, ATSUGI-SHI, KANAGAWA-KEN, 243-0036, JAPAN
Covered Property
(1)
Semiconductor Device Having a Photodiode Electrically Connected to a Back Gate of a Transistor and Driving Method Thereof