Granted Patent
Utility
US 6,825,893 · App. 10/408,126
Array substrate for liquid crystal display device having a contact hole situated on active layer and manufacturing method thereof
Inventor:
Byeong-Dae Choi
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Apr 8, 2003
Inventor
Byeong-Dae Choi
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.