Granted Patent
Utility
US 6,580,478 · App. 09/789,840
Structure for preventing a wrinkle in a reflective sheet of a backlight unit
Inventor:
Byoung-Ku Kim
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Feb 22, 2001
Inventor
Byoung-Ku 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.