Granted Patent
Utility
US 6,820,989 · App. 10/109,676
Light source device, backlight assembly and liquid crystal display device having the same
Inventors:
Ik-Soo Lee, Keun-Woo Lee, Meen-Woo Kwak, Jeong-Hwan Lee, Sang-Hyuck Youn
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 1, 2002
Inventors
Ik-Soo Lee
Keun-Woo Lee
Meen-Woo Kwak
Jeong-Hwan Lee
Sang-Hyuck Youn
Assignee (at issue)
SAMSUNG DISPLAY 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.