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:
May. 11, 2021
Filed:
Jul. 03, 2017
Sony Corporation, Tokyo, JP;
Jun Nishikawa, Kanagawa, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
According to an embodiment of the present technology, an image display apparatus includes a light source; an image generation unit; and a projection optical system. The image generation unit generates image light by modulating a light beam emitted from the light source. The projection optical system includes a first lens group that is disposed on an optical axis of the generated image light and has a first refractive power, a second lens group that is disposed on the optical axis and has a second refractive power, a first movement mechanism that moves the first lens group, and a second movement mechanism that moves the second lens group corresponding to the first refractive power, the second refractive power, and the movement of the first lens group.