Dual liquid crystal display device

Details Dual liquid crystal display device Dual liquid crystal display device

2011-04-05

2011-04-05

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Interconnection of plural cells in parallel

Reexamination Certificate

active

07920228

ABSTRACT:
A dual liquid crystal display device includes a transmissive liquid crystal display panel; a reflective liquid crystal display panel formed on the same substrate as the transmissive liquid crystal display panel; a first light guide block disposed under the transmissive liquid crystal display panel and having dot patterns formed on a first surface thereof; a second light guide block disposed under the reflective liquid crystal display panel and having V-grooves formed on a first surface thereof and dot pattern formed on a second surface thereof; a light source disposed adjacent to the first light guide block; and a housing in which the transmissive and reflective liquid crystal display panels, the light source and the light guide blocks are seated, the housing having an opening to correspond to an image display surface of the reflective liquid crystal display panel.

REFERENCES:
patent: 2005-070201 (2005-03-01), None
patent: 10-2004-0002545 (2004-01-01), None
patent: 10-2004-0033131 (2004-04-01), None
patent: 10-2007-0010568 (2007-01-01), None
patent: 1020070010568 (2007-01-01), None
patent: 10-2007-0117077 (2007-12-01), None
patent: 10-2007-0119227 (2007-12-01), None
patent: 1020070119227 (2007-12-01), None
Korean Office Action dated Sep. 29, 2009 for the corresponding Korean Priority Application No. 10-2008-0059655.

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