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. 10, 2021
Filed:
Sep. 18, 2018
Colorlink Japan, Ltd., Niigata, JP;
Miho Nishiyama, Tokyo, JP;
Takuya Komatsu, Tochigi, JP;
ColorLink Japan, Ltd., Niigata, JP;
Abstract
Optical apparatuses used for so-called immersive virtual reality (VR), as it is, can not be used for augmented reality (AR) that overlays external light and images. An optical apparatus to overlay image light on external light and guide resultant light in a downstream side, including: an image optical system including an optical element having lens power with respect to at least the image light; and a reflecting element to overlay, by reflecting at least part of the image light, the at least part of the image light and the at least part of the external light, wherein the image optical system has a GPH element having inverse dispersibility that is inverse to the wavelength dispersibility of the optical element.