Optical element, optical apparatus and imaging apparatus...

Details Optical element, optical apparatus and imaging apparatus... Optical element, optical apparatus and imaging apparatus...

Filed on

2007-04-02

Date issued

2009-12-15

Examiner

Qi, Mike (Department: 2871)

Patent Class

Liquid crystal cells, elements and systems

SubClass

Liquid crystal system

SubSubClass

Projector including liquid crystal cell

Other Related Categories

C349S096000, C349S128000

Type

Reexamination Certificate

Status

active

Patent number

07633563

Description

ABSTRACT:
An optical element is disclosed. The optical element may include a container having a holding chamber; a polarized or conductive and transparent first liquid filled in the holding chamber; a liquid crystal filled in the holding chamber and not mutually mixing with the first liquid; first and second electrodes applying an electric field to the first liquid; and voltage application means for applying voltage between the first electrode and the second electrode.

REFERENCES:
patent: 6456345 (2002-09-01), Ise
patent: 6720742 (2004-04-01), Yanagida et al.
patent: 11-326894 (1999-11-01), None

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