Backlight device and liquid crystal display

Details Backlight device and liquid crystal display Backlight device and liquid crystal display

2005-11-08

2005-11-08

Quach-Lee, Y. My (Department: 2875)

Illumination

Edge lighted panel

Light source

C362S269000, C362S561000

Reexamination Certificate

active

06962429

ABSTRACT:
A backlight device has a light guide plate, a rotary member, a rotary drive mechanism for rotating the rotary member, a plurality of mercury-free fluorescent lamps, and a power feed control mechanism. Each of the mercury-free fluorescent lamps has an arc tube mounted on the rotary member so as to extend parallel to the rotary shaft, a mercury-free discharge medium consisting of a rare gas sealed within the arc tube, and first and second electrodes for exciting the discharge medium. The mercury-free fluorescent lamps respectively emit lights of different colors. The emitted light enters the light guide plate through its light incident face and emerges from its light emission face.

REFERENCES:
patent: 4059916 (1977-11-01), Tachihara et al.
patent: 5039207 (1991-08-01), Green
patent: 5866984 (1999-02-01), Doughty et al.
patent: 05-264988 (1993-10-01), None
patent: 05-346570 (1993-12-01), None
patent: 10-333588 (1998-12-01), None
patent: 2000-331520 (2000-11-01), None
patent: 2003-178717 (2003-06-01), None

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