Search International and National Patent Collections

1. (WO2018042849) PROJECTION DISPLAY DEVICE

Pub. No.:    WO/2018/042849    International Application No.:    PCT/JP2017/023688
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Thu Jun 29 01:59:59 CEST 2017
IPC: G03B 21/16
G03B 21/00
H04N 9/31
Applicants: SONY CORPORATION
ソニー株式会社
Inventors: MEGURO, Hiroyuki
目黒 弘行
ISHIGE, Masahiro
石毛 正裕
KUSUI, Ryo
楠井 亮
Title: PROJECTION DISPLAY DEVICE
Abstract:
According to one embodiment of the present invention, a projection display device is provided with: a light source optical system, which has a light source unit, a light conversion unit that converts outputted light from the light source unit into light of a wavelength region different from that of the outputted light, and a cooling unit that cools the light conversion unit; and an external housing, which houses the light source optical system, and has a suction port and an exhaust port, with which a linear air flow passage is formed. The light source unit and the light conversion unit are disposed on the air flow passage, and the cooling unit is disposed at a position shifted from the air flow passage.