Granted Patent
Utility
US 6,795,141 · App. 10/036,357
Liquid crystal display device and color filter substrate having spacers formed directly on black matrix
Inventor:
Tsutomu Yamada
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jan 7, 2002
Inventor
Tsutomu Yamada
Assignee (at issue)
Chi Mei Optoelectronics Corp.
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.