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1. (WO2018198278) PROJECTION VIDEO DISPLAY DEVICE

Pub. No.:    WO/2018/198278    International Application No.:    PCT/JP2017/016787
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Fri Apr 28 01:59:59 CEST 2017
IPC: G03B 21/16
G03B 21/00
Applicants: MAXELL, LTD.
マクセル株式会社
Inventors: SANO, Kentaro
佐野 健太郎
KATAYAMA, Takeshi
片山 猛
Title: PROJECTION VIDEO DISPLAY DEVICE
Abstract:
The present invention relates to a projection video display device with which, even when the inlet of any of a plurality of ducts is clogged, it is assured that a cooling air passage will be provided to the duct with the clogged inlet. A projection video display device 100 according to an embodiment comprises: a heat generating member in the form of either an optical or electronic component; a plurality of cooling fans 121-127 for cooling the heat from the heat generating member; and a plurality of ducts 201-203 serving as cooling air passages, each duct storing at least one of the plurality of cooling fans 121-127, at least two of the ducts being arranged adjacent to each other. Adjacent ones of the ducts have an opening 221-223 in the wall therebetween.