Granted Patent
Utility
US 5,541,750 · App. 07/804,729
Color filter for a liquid crystal display using at least one of acid red 52, acid red 486, and rhodamine 6 GCT
Inventors:
Yeon-guk Seong, Yong-hyeon Nam, Chun-Sik Kim, Jae-wu Bae
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Dec 11, 1991
Inventors
Yeon-guk Seong
Yong-hyeon Nam
Chun-Sik Kim
Jae-wu Bae
Assignee (at issue)
Samsung Electron Devices 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.