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. 18, 2025
Filed:
May. 25, 2018
Sharp Nec Display Solutions, Ltd., Tokyo, JP;
Ryosuke Kawase, Tokyo, JP;
SHARP NEC DISPLAY SOLUTIONS, LTD., Tokyo, JP;
Abstract
An electronic device includes an illumination optical system for outputting light to the projection lens, a blower for cooling a liquid crystal panel mounted on the illumination optical system, a first duct for guiding the air blown out from the blower to the liquid crystal panel, a second duct for guiding the air passing through the liquid crystal panel in the direction opposite to the direction of the air blown out from the blower and a heat sink for removing heat from the air passing through the second duct, and a holding member for holding the blower and guiding the air from which heat has been removed by the heat sink to the air inlet of the blower is provided in a dust-proof case.