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:
Nov. 15, 2016
Filed:
Jul. 26, 2011
Applicants:
Uk Choi, Seoul, KR;
Ju Won Kim, Seoul, KR;
Inventors:
Uk Choi, Seoul, KR;
Ju Won Kim, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/28 (2006.01); G02F 1/1335 (2006.01); G09F 13/04 (2006.01); G09F 13/30 (2006.01); G09F 19/22 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1336 (2013.01); G02B 27/286 (2013.01); G02F 1/13362 (2013.01); G02F 1/133528 (2013.01); G09F 13/04 (2013.01); G09F 13/30 (2013.01); G09F 19/226 (2013.01); G09F 19/22 (2013.01);
Abstract
A display device includes a reflective base member, a first light polarizing film disposed on the surface of the base member, a light source, a second light polarizing medium receiving light from the light source and emitting polarized light towards the first light polarizing film, a birefringence medium positioned between the second light polarizing medium and the first light polarizing film, and means for changing the direction of polarization of the second light polarizing means.