Light source device, projector, and light source device fabrication method

摘要

There are provided a light source device where optical axes of a light source element and a lens are parallel and the element and the lens are disposed at a predetermined distance, a projector and a light source device fabrication method. A light source device includes a light source element having a flange portion and a cylindrical portion smaller in diameter than the flange portion, a light source element holder disposed abutting a rear of the flange portion, a collimator lens disposed at the front of the element, an annular member disposed between the element and the lens and of which a rear end face abuts a front surface of the flange portion and of which a front end face abuts a rear surface of the lens and a collimator lens holder which accommodates the lens in a hole portion.

主权项

1. A light source device comprising:
a light source element having a flange portion and a cylindrical portion having a cylindrical shape which is smaller in diameter than the flange portion; a light source element holder which is disposed with a rear of the flange portion of the light source element brought into abutment therewith; a collimator lens which transforms light emitted from the light source element into parallel light; a hollow cylindrical annular member that is disposed between the light source element and the collimator lens, and of which a rear end face is brought into abutment with a front surface of the flange portion of the light source element and a front end face is brought into abutment with a rear surface of the collimator lens; and a collimator lens holder which accommodates the collimator lens in a hole portion formed therein; wherein the light source element holder includes a depressed element bearing portion where the rear of the flange portion of the light source element is disposed while being in abutment therewith; and wherein a heat conductive filling material is filled in the depressed element bearing portion.