Image display

Details Image display Image display

2007-07-10

2010-10-26

Wong, Tina M (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S113000, C349S115000

Reexamination Certificate

active

07821599

ABSTRACT:
A liquid crystal display element is disclosed for displaying an image. The liquid crystal display element comprises a liquid crystal display layer in which voltages are applied to a transmissive display unit and a reflective display unit, defined in one pixel, independently of each other, and a light source for irradiating the liquid crystal display layer with light from the back, and a reflection control element disposed between the liquid crystal display layer and light source. The liquid crystal display element is switched between a reflective state and a transmissive state in accordance with a voltage applied to the reflection control element. The liquid crystal display element is switched among a transmissive display mode, a combined reflective/transmissive display mode, and a reflective display mode, by utilizing the transmissive display unit and reflective display unit to display an image independently of each other.

REFERENCES:
patent: 6842209 (2005-01-01), Sumiyoshi et al.
patent: 6995819 (2006-02-01), Kaneko et al.
patent: 1517951 (2004-08-01), None
patent: 10-206844 (1998-08-01), None
patent: 11-242226 (1999-09-01), None
patent: 2002-23156 (2002-01-01), None
patent: 2004-69835 (2004-03-01), None

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