Granted Patent
Utility
US 5,990,986 · App. 09/087,407
Thin film transistor substrate for a liquid crystal display having buffer layers and a manufacturing method thereof
Inventors:
Jean-Ho Song, Sang-Ki Kwak
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: May 29, 1998
Inventors
Jean-Ho Song
Sang-Ki Kwak
Assignee (at issue)
SAMSUNG DISPLAY 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.