Patent ID: 9316897
Filing Date: 2016-04-19
CPC Classification: G03B

Claim Text:
1. A projector comprising: a light source unit which comprises: a display device which generates projection light; a light source side optical system which guides light emitted from the light source unit to the display device; a projection side optical system which guides projection light generated by the display device; and a projector control unit which controls the display device and the light source unit; wherein, in the laser light source unit, all of the blue laser emitting elements which have a longer luminescence time among the two or more types of laser emitting elements are arranged in a lower portion of the plane in a vertical direction than all of the red laser emitting elements which have a shorter luminescence time among the two of more Noes of laser emitting elements, such that all of the blue laser emitting elements are arranged lower in a housing of the oroiector than all of the red laser emitting elements.