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:
Aug. 23, 2016

Filed:

May. 31, 2012
Applicants:

Kyu-hwan Choi, Yongin-si, KR;

Hong-seok Lee, Seongnam-si, KR;

Hoon Song, Yongin-si, KR;

Yoon-sun Choi, Yongin-si, KR;

Jung-mok Bae, Seoul, KR;

Eok-su Kim, Seongnam-si, KR;

Inventors:

Kyu-hwan Choi, Yongin-si, KR;

Hong-seok Lee, Seongnam-si, KR;

Hoon Song, Yongin-si, KR;

Yoon-sun Choi, Yongin-si, KR;

Jung-mok Bae, Seoul, KR;

Eok-su Kim, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/22 (2006.01); G02B 26/00 (2006.01); H04N 13/04 (2006.01);
U.S. Cl.
CPC ...
G02B 27/2292 (2013.01); G02B 26/005 (2013.01); H04N 13/042 (2013.01);
Abstract

A three-dimensional (3D) image display apparatus and method are provided. The 3D image display apparatus includes an image generating unit configured to generate an image, an active optical device configured to change a propagation path of light containing the generated image, and provide the generated image to multiple viewpoints that are located along a first direction parallel to the image generating unit, and a varifocal lens configured to vary a focal position of the generated image along a second direction away from the image generating unit.


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