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. 25, 2014
Filed:
Jan. 21, 2011
Lisa Masuda, Kanagawa-ken, JP;
Shigeru Shimakawa, Kanagawa-ken, JP;
Naotada Okada, Kanagawa-ken, JP;
Kazuo Horiuchi, Kanagawa-ken, JP;
Haruhiko Okumura, Kanagawa-ken, JP;
Takashi Sasaki, Kanagawa-ken, JP;
Hiromi Suzuki, Kanagawa-ken, JP;
Lisa Masuda, Kanagawa-ken, JP;
Shigeru Shimakawa, Kanagawa-ken, JP;
Naotada Okada, Kanagawa-ken, JP;
Kazuo Horiuchi, Kanagawa-ken, JP;
Haruhiko Okumura, Kanagawa-ken, JP;
Takashi Sasaki, Kanagawa-ken, JP;
Hiromi Suzuki, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, an optical element includes a first optical sheet having a first major surface. The first optical sheet includes a first Fresnel lens provided in the first major surface. An optical axis of the first Fresnel lens at the first major surface is disposed at a position different from a position of a center of an outline of the first major surface.