Backlighting device for dual liquid crystal display and...

Details Backlighting device for dual liquid crystal display and... Backlighting device for dual liquid crystal display and...

2006-04-25

2006-04-25

Lefkowitz, Sumati (Department: 2675)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S004000, C345S005000, C345S006000, C349S112000

Reexamination Certificate

active

07034799

ABSTRACT:
Disclosed is a backlighting device for a dual LCD (Liquid Crystal Display). The backlighting device includes a circuit board with a through hole; a backlighting illumination device situated within the hole for radiating light in a first direction substantially perpendicular to a first face of the circuit board and in a second direction substantially perpendicular to a second face of the circuit board; a main LCD being situated on one face of the backlighting illumination device in the first direction, for displaying first information in the first direction; and a slave LCD being situated on another face of the backlighting illumination device through the through hole in the second direction, for displaying second information in the second direction.

REFERENCES:
patent: 5105186 (1992-04-01), May
patent: 5254905 (1993-10-01), Dunbar et al.
patent: 5375043 (1994-12-01), Tokunaga
patent: 2002/0015807 (2002-02-01), Sugino et al.
patent: 0 775 933 (1997-05-01), None
patent: 2343324 (2000-05-01), None
patent: 2001-0035369 (2001-05-01), None

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