Granted Patent
Utility
US 6,774,396 · App. 09/487,173
Thin film transistor type optical sensor
Inventors:
Youn-Gyoung Chang, Jeong Hyun Kim, Se-June Kim
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jan 19, 2000
Inventors
Youn-Gyoung Chang
Jeong Hyun Kim
Se-June Kim
Assignee (at issue)
LG Philips LCD Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.