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:
Feb. 19, 2019
Filed:
Feb. 05, 2016
Applicant:
Nokia Technologies Oy, Espoo, FI;
Inventors:
Jan Eskolin, Pirkkala, FI;
Petri Piippo, Lempaala, FI;
Toni Jarvenpaa, Akaa, FI;
Marja Salmimaa, Tampere, FI;
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 5/30 (2006.01); G02B 27/28 (2006.01); G02F 1/01 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2073 (2013.01); G02B 5/30 (2013.01); G02B 27/017 (2013.01); G02B 27/0172 (2013.01); G02B 27/283 (2013.01); G02F 1/0136 (2013.01); G02B 2027/0118 (2013.01);
Abstract
An apparatus including a light source; a pixel control element; and an input transmission polarizer configured to: polarize incident light from the light source into transmitted first and second light portions, wherein the first light portion has a first polarization and the second light portion has a second polarization and wherein the first and second polarizations are orthogonal; to provide the first light portion as input to the pixel control element; and to output the second light portion to provide the second light portion for illumination.