Title:
PROJECTION IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/058113
Kind Code:
A1
Abstract:
A projection image display device according to the present disclosure comprises a light source and an image display element on which light from the light source impinges, the projection image display device comprising: a first housing that accommodates the light source and the image display element, the first housing forming a sealed first space; a second housing that encloses the first housing and forms a second space between the first housing and the second housing, the second housing having an intake port for outside air and an exhaust port for outside air; a first heat exchanger that is disposed in the second space, the first heat exchanger moving heat from the image display element to the outside air within the second space; a second heat exchanger that is disposed in the second space, the second heat exchanger moving heat from the light source to the outside air within the second space; and a first air blower that is disposed in the second space, the air blower taking in outside air into the second space through the intake port and discharging outside air within the second space through the exhaust port.
Inventors:
YAMAGISHI SHIGEKAZU
MATSUI SHIGEYOSHI
MATSUI SHIGEYOSHI
Application Number:
PCT/JP2023/033025
Publication Date:
March 21, 2024
Filing Date:
September 11, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01L23/467; G03B21/00; G03B21/16; H04N5/74; H05K7/20
Domestic Patent References:
| WO2019225679A1 | 2019-11-28 | |||
| WO2019207787A1 | 2019-10-31 | |||
| WO2010125644A1 | 2010-11-04 |
Foreign References:
| JP2019211506A | 2019-12-12 | |||
| JP2014191165A | 2014-10-06 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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