Patent ID: 8702241
Filing Date: 2014-04-22
Classification: F21V,G03B,H04N

Abstract:
1. A light source device comprising: a light source holding member in which a plurality of light source elements are arranged in a matrix fashion at predetermined intervals; a lens array which has a plate-shaped base portion and a plurality of convex lens portions which are arranged in a matrix fashion at predetermined intervals so as to correspond individually to the plurality of light source elements, wherein the plurality of convex lens portions are formed integrally with the plate-shaped base portion, and the lens array is disposed on a light shining side of the light source elements; and an array holding member which is disposed between the light source holding member and the lens array to hold the lens array; wherein the lens array has a plurality of first hole portions in the plate-shaped base portion through which first fixing screw members are inserted; wherein the array holding member has a plurality of first threaded hole portions with which the first fixing screw members are brought into engagement, in positions which correspond to the plurality of first hole portions in the lens array; and wherein the first fixing screw members pass through the first hole portions in the lens array and are brought into engagement with the first threaded hole portions in the array holding member such that the lens array and the array holding member are disposed to adhere to each other.