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:
Jan. 08, 2019
Filed:
Oct. 06, 2016
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Masahito Yamana, Hyogo, JP;
Shintaro Hayashi, Hyogo, JP;
Abstract
An optical member includes: a phosphor layer including a phosphor that converts a wavelength of a portion of light from a light source which is incident on an incidence face; and a microlens array that causes the portion of light wavelength-converted by the phosphor layer and the other portion of light transmitted through the phosphor layer to emerge from an emission face, in which a diffractive lens array for diffracting the portion of light wavelength-converted and the other portion of light transmitted is provided on the emission face of the microlens array, and a pitch of the diffractive lens array is different for each of predetermined sections.