Granted Patent
Utility
US 6,693,697 · App. 10/042,144
Active-matrix type liquid crystal display device having thick and thin overcoat layers layered over a black matrix
Inventors:
Michiaki Sakamoto, Yuji Yamamoto, Mamoru Okamoto, Shigeru Kimura, Shinichi Nakata, Shouichi Kuroha, Masanobu Hidehira, Yoshitaka Horie, Takayuki Ishino
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Jan 11, 2002
Inventors
Michiaki Sakamoto
Yuji Yamamoto
Mamoru Okamoto
Shigeru Kimura
Shinichi Nakata
Shouichi Kuroha
Masanobu Hidehira
Yoshitaka Horie
Takayuki Ishino
Assignee (at issue)
NEC LCD Technologies, 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.