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:
Nov. 24, 2020
Filed:
Sep. 26, 2018
Seiko Epson Corporation, Tokyo, JP;
Yoshiyuki Yanagisawa, Matsumoto, JP;
Ryuta Koizumi, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector includes a light source device, a plurality of light modulation devices each adapted to modulate a light beam emitted from the light source device, a light combining device adapted to combine the light beams respectively modulated by the light modulation devices, a projection optical device adapted to project the light beam combined by the light combining device, a housing in which the light modulation devices and the light combining device are disposed, the housing having a first cooling liquid encapsulated inside, a stirring device adapted to stir the first cooling liquid inside the housing, and a control device disposed outside the housing and connected to the housing, the control device adapted to control the light modulation devices. The housing has a connection section connecting the control device and a plurality of light modulation device side signal lines respectively extending from the light modulation devices to each other.