Optical elements (such as vari focal lens component,...

Details Optical elements (such as vari focal lens component,... Optical elements (such as vari focal lens component,...

2005-05-03

2005-05-03

Ton, Toan (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Lens or prism separate from projection system

C349S086000, C349S200000

Reexamination Certificate

active

06888590

ABSTRACT:
An optical element which is capable of varying an optical characteristic thereof using a polymer dispersive liquid crystal and usable as a vari-focal lens element, a vari-focal diffractive optical element, a variable declination prism or the like.

REFERENCES:
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patent: 2-46423 (1990-02-01), None
patent: 4-345124 (1992-12-01), None
patent: 5-34656 (1993-02-01), None
patent: 8-192347 (1996-07-01), None
Helen Rose Wilson and Wolfgang Eck; Solar Energy Materials and Solar Cells; Transmission variation using scattering/transparent switching films; 1993; p. 197-214.
Monthly Report of Japanese Chemical Association; 1997; p. 14-18.
Minor Planets will Come in Iwanami Science Library 1994; p. 58.
Vdovin, G. “Quick Focusing of Imaging Optics Using Micromachined Adaptive Mirrors”,Optics Communications140 (Aug. 1997) pp. 187-190.

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