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:
Aug. 16, 2011
Filed:
Dec. 31, 2008
Seppo Pienimaa, Espoo, FI;
Xia Wang, Beijing, CN;
Kong Qiao Wang, Beijing, CN;
Antti Salo, Lohja, FI;
Tapani Levola, Tampere, FI;
Seppo Pienimaa, Espoo, FI;
Xia Wang, Beijing, CN;
Kong Qiao Wang, Beijing, CN;
Antti Salo, Lohja, FI;
Tapani Levola, Tampere, FI;
Nokia Corporation, Espoo, FI;
Abstract
A near-eye display related apparatus and device is disclosed. The apparatus includes a housing configured to receive an optical engine, and a light guiding plate attached to the housing and configured to receive light representing an image from the optical engine, the light guiding plate includes a first diffractive grating adapted to incouple the light into the light guiding plate, and a second diffractive grating adapted to outcouple the light from the light guiding plate such that the light is received by an eye of a user wearing the apparatus. The light guiding plate has a contact surface portion configured to optically couple the light guiding plate to a transparent plate, The contact surface portion being adapted to be in physical contact with the transparent plate.