Granted Patent
Utility
US 5,783,338 · App. 08/751,488
Method for manufacturing black matrix of active matrix liquid crystal display
Inventor:
Kyu-Chul Cho
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Nov 18, 1996
Inventor
Kyu-Chul Cho
Assignee (at issue)
LC Electronics Inc.
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.