Liquid crystal display device, side backlight unit, lamp...

Details Liquid crystal display device, side backlight unit, lamp... Liquid crystal display device, side backlight unit, lamp...

2007-05-01

2007-05-01

Nguyen, Dung T. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S061000

Reexamination Certificate

active

11142925

ABSTRACT:
A liquid crystal display (LCD) device having a side backlight unit that minimizes or eliminates extraneous bright lines on the LCD panel. The side backlight unit includes a lamp reflector and lamp disposed on a light incident side surface of a light guide plate. A light reflection layer is formed on the inner surface of the lamp reflector, and a transparent protective layer is formed on the reflection layer. The transparent protective layer has a thickness less than 5 micrometers. The lamp reflector has arm portions that sandwich the light guide plate on the front and back surfaces at the lamp side of the light guide plate. A light transmission region between the arm portions of the lamp reflector and the front and back surfaces of the light guide plate has a thickness less than 5 micrometers.

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patent: 5340604 (1994-08-01), Atsushi
patent: 6064455 (2000-05-01), Kim
patent: 6480250 (2002-11-01), Matsufuji et al.
patent: 57-207203 (1982-12-01), None
patent: 05177758 (1992-05-01), None
patent: 2001-166295 (2001-06-01), None

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