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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.:

US 9976847 B1

PDFFull Text
Date of Patent:
May. 22, 2018

Filed:

Apr. 15, 2015

Polarization independent optical shutter using cholesteric liquid crystals and three-dimensional image acquisition apparatus employing the same

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Jung-soon Shin, Yongin-si, KR;

Jae-hyuk Choi, Seoul, KR;

Jeroen Beeckman, Ghent, BE;

Mohammad Mohammadimasoudi, Ghent, BE;

Kristiaan Neyts, Ghent, BE;

Assignee:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Nathanael R Briggs

Int. Cl.
CPC ...
G02F 1/1347 (2006.01); G01B 11/24 (2006.01); G02F 1/1334 (2006.01);
U.S. Cl.
CPC ...
G01B 11/24 (2013.01); G02F 1/1347 (2013.01); G02F 1/13473 (2013.01); G02F 1/1334 (2013.01); G02F 2001/13478 (2013.01); G02F 2203/06 (2013.01);
Abstract

Example embodiments relate to an optical shutter including a first polarization filter having a nanopore-cholesteric liquid crystal layer, which includes a cholesteric liquid crystal matrix and a plurality of liquid crystal nanopores embedded in the cholesteric liquid crystal matrix, and having a reflective wavelength band that varies according to electrical control, and a second polarization filter that is parallel to the first polarization filter, includes a nanopore-cholesteric liquid crystal layer, which includes a cholesteric liquid crystal matrix and a plurality of liquid crystal nanopores embedded in the cholesteric liquid crystal matrix, and has a reflective wavelength band that varies according to electrical control.

Find Patent Forward Citations

Shin, Jung-soon. (2018). Polarization independent optical shutter using cholesteric liquid crystals and three-dimensional image acquisition apparatus employing the same (U.S. Patent No. 9976847). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9976847

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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