Dual liquid crystal display device

Details Dual liquid crystal display device Dual liquid crystal display device

2011-03-29

2011-03-29

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Detector of liquid crystal temperature

C349S062000, C349S066000

Reexamination Certificate

active

07916243

ABSTRACT:
A dual liquid crystal display (LCD) device including a first LCD panel displaying an image on a first surface; a second LCD panel formed on the same substrate to display an image on a second surface; a light source disposed at an adjacent side under the first LCD panel; a light guide disposed under the first and second LCD panels and including a first light guide block corresponding to the first LCD panel and having dot patterns formed in a first surface and a second light guide block corresponding to the second LCD panel and having taper-cascade grooves formed on a first surface; and a housing settling the first and second LCD panels, the light source and the light guide and having an opening to correspond to an image display surface of the second LCD panel.

REFERENCES:
patent: 2007/0171671 (2007-07-01), Kurokawa et al.
patent: 2008/0172703 (2008-07-01), Kim et al.
patent: 2004-145331 (2004-05-01), None
patent: 10-2003-0040850 (2003-05-01), None
patent: 10-2006-0086174 (2006-07-01), None
patent: 10-2007-0010568 (2007-01-01), None
patent: 10-2007-0119227 (2007-12-01), None
patent: 10-2008-0004140 (2008-01-01), None
Korean Office Action issued by Korean Patent Office on Feb. 22, 2010 corresponding Korean Priority Application No. 10-2008-0059656 and Request for Entry of the Accompanying Office Action attached herewith.

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