Backlight unit

Details Backlight unit Backlight unit

2008-04-29

2008-04-29

O'Shea, Sandra (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S097200, C362S225000, C362S033000, C362S561000, C362S234000, C349S062000, C349S065000, C349S068000, C349S060000, C349S063000

Reexamination Certificate

active

11395163

ABSTRACT:
A backlight unit includes a case; a plurality of fluorescent lamps on the case, each fluorescent lamp having ends arranged in one direction, and having first and second electrodes provided at respective ends; a first power supply line connected with the first electrode; a second power supply line connected with the second electrode; a common electrode PCB arranged adjacent to the ends of the fluorescent lamps; a first common electrode on the common electrode PCB and connected with the first power supply line;a second common electrode on the common electrode PCB and connected with the second power supply line, the first and second common electrodes being spaced apart from each other; and an inverter to apply voltages to the first and second common electrodes.

REFERENCES:
patent: 7195367 (2007-03-01), Hong et al.
patent: 7258462 (2007-08-01), Yamashita et al.
patent: 7264373 (2007-09-01), Huang et al.
patent: 2003/0142487 (2003-07-01), Fan
patent: 2004/0223319 (2004-11-01), Chou et al.
patent: 2004/0232854 (2004-11-01), Chou
patent: 2006/0061305 (2006-03-01), Ahn et al.
patent: 2007/0001626 (2007-01-01), Park
patent: 2007/0002554 (2007-01-01), Lim

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