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:
Oct. 08, 2024
Filed:
Jun. 11, 2020
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Akito Sawada, Osaka, JP;
Masaki Hashimoto, Osaka, JP;
Abstract
There is provided an optical element comprising a base material comprising a resin material and a stack covering of layers disposed on the base material. In the optical element of the present disclosure, the stack covering comprises an optical multi-layered part composed of a high refractive index layer comprising TaOand a low refractive index layer comprising SiO, the high refractive index layer and the low refractive index layer being alternately stacked in a form of 4 or more layers. Of a plurality of high refractive index layers, a first high refractive index layer situated most closely to the base material has a fissured structure.