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. 23, 2023
Filed:
Jun. 28, 2022
Seiko Epson Corporation, Tokyo, JP;
Masato Kadotani, Matsumoto, JP;
Seiko Epson Corportation, Tokyo, JP;
Abstract
A light source apparatus includes an enclosure, a phosphor wheel including a phosphor and disposed in the enclosure, a wheel-side heat dissipater that includes a plurality of fins provided at the phosphor wheel and generates an airflow flowing from the side facing the center of the phosphor wheel toward the periphery thereof with the aid of rotation of the phosphor wheel, a driver that rotates the phosphor wheel, a heat receiving member that includes a placement section where the driver is placed and faces the wheel-side heat dissipater, a heat sink coupled to a side of the heat receiving member, the side opposite to the phosphor wheel, and disposed outside the enclosure, and a plurality of columnar protrusions that are provided around the placement section and protrude into the enclosure toward the plurality of fins.