Patent ID: 9075297
Filing Date: 2015-07-07
Classification: G03B,H04N

Abstract:
1. An image projector, comprising: a light source to emit light; a fan to make air flow from an air inlet of the image projector toward an exhaust outlet of the image projector; and circuit boards which are internal to the image projector, wherein the circuit boards are disposed to guide the air flow from the air inlet to the exhaust outlet, the image projector further comprising: an image generator to generate an image using the light source; a concave mirror to reflect the image from the image generator to project the image; and a case to accommodate the light source, the concave mirror, and the circuit boards, wherein: a flow path is defined by at least a back surface of the concave mirror and a surface of the case opposite to the back surface of the concave mirror, and the air flowing toward the exhaust outlet is supplied from the flow path.