Entrance intercom specific color panel module

Details Entrance intercom specific color panel module Entrance intercom specific color panel module

2006-12-12

2006-12-12

Chang, Kent (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S062000, C345S070000

Reexamination Certificate

active

07148873

ABSTRACT:
An entrance intercom specific color panel module provides higher lumens and more consistent brightness, lower production cost, upgraded image quality, longer service life, summary manufacturing process, easy assembly and fast replacement of parts, comprised of chip on glass (COG) LCD panel adapted with tape automated bonding (TAB) backlight module in direct light design including a reflector, a fluorescent lamp and a light guide plate; the reflector approximately in W-shape section, rectangular plastic sheet provided with a recess to accommodate the lamp; the light guide plate made of transparent acrylic material being adhered to the surface of the reflector, an arc diffuser being provided on the bottom of the light guide plate at where in relation to the area of the light tube; on the top of the light guide plate being bonded to the back of the LCD panel.

REFERENCES:
patent: 5146354 (1992-09-01), Plesinger
patent: 6175396 (2001-01-01), Kim et al.
patent: 6590626 (2003-07-01), Suzuki et al.
patent: 6894757 (2005-05-01), Ha et al.
patent: 2004/0061814 (2004-04-01), Kim et al.
patent: 2005-031124 (2005-02-01), None

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