| 摘要 |
A lens array which facilitates the alignment of optical axes of light source elements with optical axes of lenses, a light source device that employs this lens array, a projector that employs this light source device and a light source device fabrication method are provided. A lens array 73 is an integrated assembly of a plurality of lens portions 73b which collect individually light from a plurality of light source elements and has cylindrical portions 73c for positioning the plurality of light source elements on a light entrance side of the individual lens portions 73b. |
