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:
May. 09, 2017
Filed:
Apr. 26, 2013
Samsung Display Co., Ltd., Yongin, KR;
Jae Hyuk Chang, Seongnam-si, KR;
Hi Kuk Lee, Yongin-si, KR;
Cha-Dong Kim, Seoul, KR;
Sang Hyun Yun, Suwon-si, KR;
Jung-In Park, Seoul, KR;
Chang Hoon Kim, Asan-si, KR;
Ki Beom Lee, Seoul, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
Exemplary embodiments of the invention relate to an alignment apparatus including a source unit providing an electromagnetic signal, a receiving unit detecting the provided electromagnetic signal, and a polarization element positioned between the source unit and the receiving unit and having a transmissive axis fixed in a predetermined direction. A substrate may be positioned between the source unit and the receiving unit, and may be formed with a polarizer including a plurality of metal lines with a minute linear pattern. The luminance or intensity of the electromagnetic signal may be detected by the receiving unit while rotating the substrate.