Granted Patent
Utility
US 6,639,639 · App. 09/933,124
Reflective and transflective liquid crystal display devices having black resin
Inventors:
Heum-Il Baek, Yong Beom Kim, Kyoung-Su Ha, Dong-Guk Kim
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Aug 21, 2001
Inventors
Heum-Il Baek
Yong Beom Kim
Kyoung-Su Ha
Dong-Guk Kim
Assignee (at issue)
LG Philips LCD 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.