Granted Patent
Utility
US 6,091,391 · App. 09/044,776
Circuit for producing a contrast voltage signal for a liquid crystal display which uses a differential comparator, capacitors, transmission gates and feedback to reduce quiescent current
Inventors:
Lawrence Hok-Sun Ling, Leonard Leung
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Mar 20, 1998
Inventors
Lawrence Hok-Sun Ling
Leonard Leung
Assignee (at issue)
Motorola, Inc.
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.