Backlight for liquid crystal display and liquid crystal display

Details Backlight for liquid crystal display and liquid crystal display Backlight for liquid crystal display and liquid crystal display

1994-11-07

1996-07-16

Gromada, Denise L.

Illumination

Revolving

362 26, 362226, F21V 800

Patent

active

055372961

ABSTRACT:
A lamp guarding unit 26 of a backlight 20 for a liquid crystal display is detachable from a lamp holding unit 24 fixed to a light-guiding plate 22 in a direction perpendicular to a light illumination surface of the light-guiding plate 22. Therefore, in replacing a fluorescent tube 44, it is not necessary to replace the whole backlight 20 or for the user to touch the fluorescent tube 44, which is difficult to handle. Because of the perpendicular removal, only a small space is needed for the replacement. Thus, the fluorescent tube 44 can be replaced safely and easily, and only a small space is required for this replacement.

REFERENCES:
patent: 2838865, Hardesty
patent: 4751615 (1988-06-01), Abrams
patent: 4841455 (1989-06-01), Leberl et al.
patent: 5184888 (1993-02-01), Skuma et al.
patent: 5381309 (1995-01-01), Borchardt

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