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. 07, 2020
Filed:
Nov. 20, 2017
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Tsutomu Yoshikawa, Nara, JP;
Abstract
A light conversion device includes a phosphor wheel, a circulation fan, a motor, a casing unit, and a heat absorber. The phosphor wheel has a first side on which a phosphor layer is formed. The circulation fan blows an air flow to the phosphor layer. The motor rotatably drives the phosphor wheel. The casing unit houses the phosphor wheel, the circulation fan, and the motor. In the casing unit, a circulation path of the air flow created by the circulation fan is formed. The heat absorber is in the shape of a cylinder. The heat absorber includes a fin structure including a plurality of fins arranged along a radial direction of the casing unit and provided so as to extend in a height direction of the cylinder. The air flow is supplied to the heat absorber to cool the air flow that has absorbed heat generated at the phosphor layer.