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:
Dec. 29, 2020
Filed:
Dec. 08, 2017
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Fumihiko Hanzawa, Tokyo, JP;
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Abstract
A projection optical system according to the present disclosure includes, in order from a side on which a light source is located to a projection side along an optical axis: a first lens group that includes one or more lenses, has a positive focal length, and condenses light from the light source on a primary image-forming point that is an image of the light source; a deflector that scans light from the first lens group; and a second lens group that includes one or more lenses, has a positive focal length, and forms an image of light from the deflector at a position of a secondary image-forming point that is an image of the primary image-forming point, and the first lens group forms the primary image-forming point between the first lens group and the second lens group along the optical axis.