Projection type display apparatus with ventilation
AssigneeHitachi, Ltd.
InventorsKenji Fuse, Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda
Life of this patent
Estimating the term…
Loading patent…
AssigneeHitachi, Ltd.
InventorsKenji Fuse, Mikio Shiraishi, Yasuo Otsuka, Nobuyuki Kaku, Hidehiro Ikeda
Estimating the term…
A projection type display apparatus includes a housing having a first side on which an air intake opening is arranged and a second side on which an air exhaust opening is arranged, a light source for supplying light, and a light valve device which modulates the light output from the light source. A first fan is provided which draws air from the air intake opening into the housing, and a first ventilation path is coupled with the air intake opening so as to lead air flow from the air intake opening toward a lower portion of the light valve. A second ventilation path is formed from the lower portion of the light valve to an upper portion of the light valve, and a second fan is provided which draws out air flowing from the second ventilation path through the air exhaust opening to outside of the housing.
A projection type display apparatus comprising:
Dependencies are inferred from the claim text.