Granted Patent
Utility
US 6,818,319 · App. 10/414,282
Diffusion barrier multi-layer structure for thin film transistor liquid crystal displays and process for fabricating thereof
Inventors:
I-Chang Tsao, Ming Sun
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 16, 2003
Inventors
I-Chang Tsao
Ming Sun
Assignee (at issue)
Au Optronics Corporation
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.