The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2015
Filed:
May. 07, 2013
Alphamicron Incorporated, Kent, OH (US);
Bahman Taheri, Shaker Heights, OH (US);
David Baker, Cuyahoga Falls, OH (US);
Elliott Bardun, Stow, OH (US);
Tamas Kosa, Hudson, OH (US);
Ludmila Sukhomlinova, Kent, OH (US);
Paul Luchette, Kent, OH (US);
ALPHAMICRON INCORPORATED, Kent, OH (US);
Abstract
Provided is a liquid crystal light variable device having a liquid crystal cell, comprising a mixture of a liquid crystal material and one or more dichroic dyes interposed between a first and a second substrate, each substrate having a conductive layer disposed thereon. The device further includes a voltage supply or controller coupled with the conductive layers for application of a voltage waveform across the liquid crystal cell. The liquid crystal cell is configured so that based on the voltage waveform applied, the device transitions between a low-haze low-tint state ('clear state'), a low-haze high-tint state ('tinted state'), and a high-haze high-tint state (“opaque state”). The high-haze state is caused by dynamic scattering in the liquid crystal-dye mixture.