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.

Date of Patent:
May. 02, 2017

Filed:

Oct. 28, 2011
Applicants:

Jang-woo You, Yongin-si, KR;

Yong-hwa Park, Yongin-si, KR;

Yong-ho Lee, Incheon, KR;

Chang-kwon Hwangbo, Incheon, KR;

Jin-joo Kim, Incheon, KR;

Inventors:

Jang-woo You, Yongin-si, KR;

Yong-hwa Park, Yongin-si, KR;

Yong-ho Lee, Incheon, KR;

Chang-kwon Hwangbo, Incheon, KR;

Jin-joo Kim, Incheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/00 (2006.01); G02F 1/017 (2006.01); G01S 17/89 (2006.01); G01S 7/481 (2006.01); H04N 5/225 (2006.01); G02F 1/03 (2006.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
G02F 1/017 (2013.01); B82Y 20/00 (2013.01); G01S 7/4816 (2013.01); G01S 17/89 (2013.01); G02F 1/0311 (2013.01); H04N 5/2258 (2013.01); G02F 2202/32 (2013.01);
Abstract

A photonic crystal type light modulator is provided. The photonic crystal type light modulator includes: a substrate; a first electrode disposed on the substrate; an active layer disposed on the first electrode, where an optical characteristic of the active layer changes according to application of an electric field; a second electrode disposed on the active layer; and a photonic crystal layer disposed on the second electrode and comprising a 2D grating.


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