Display device and display optical system unit
View Patent ↗A display apparatus includes a light source, and a partition wall which divides an inside of the display apparatus into an enclosing space which includes a plurality of optical elements and an outer space with respect to the enclosing space. The optical elements includes a color separator which receives a light from the light source and emits a plurality of separate color beams, at least one reflecting type light valve which forms an image by reflecting the plurality of color beams, and a projection lens which projects the image of an external screen. A first cooling fan is provided which causes an air flow in the outer space. A least one of the optical elements forms a part of the partition wall, and the air flow cools the at least one reflecting type light valve from the outer space.
1. A display device comprising:
a light source which emits light;
a reflecting type light valve which forms an image utilizing the light from the light source;
a projection lens which projects the image;
a partition wall which encloses at least a part of an inside portion of the display device; and
a fan which provides air flow at a position outside of the partition wall,
wherein at least the reflecting type light valve and the projection lens form parts of the partition wall; and
wherein the fan is adapted to supply an air flow to a rear side of the reflecting type light valve.
2. A display device according to claim 1 , further comprising:
a radiation fin which is attached to the rear side of the reflecting type light valve.
3. A display device according to claim 1 , wherein the reflecting type light valve is a micro-mirror type panel.
4. A display device according to claim 1 , wherein the reflecting type light valve is a liquid crystal display panel.