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:
Apr. 11, 2017
Filed:
Dec. 21, 2011
Applicants:
Wonki Park, Paju-si, KR;
Mikyung Park, Goyang-si, KR;
Inventors:
Wonki Park, Paju-si, KR;
Mikyung Park, Goyang-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 13/04 (2006.01); G02B 27/26 (2006.01);
U.S. Cl.
CPC ...
G02B 27/26 (2013.01);
Abstract
A vision system for obtaining an image of a patterned retarder comprising first and second patterns having different optical axes is provided. The vision system comprises a camera, a ½ wavelength plate arranged in front of a lens of the camera, a rotatable ¼ wavelength plate arranged in front of the ½ wavelength plate.