20140036324 | LIGHT COLLECTING MEMBER, AND OPTICAL MODULE AND IMAGE READING DEVICE HAVING THE LIGHT COLLECTING MEMBER - A light collecting member includes a lens to make incident light be collected on a light receiving member, a lens barrel to house the lens, an end portion into which a light enters of the lens barrel being arranged near the light receiving member and a fence member to cover the end portion into which a light enters of the lens barrel and the light receiving member, the fence member having an exhaust port formed in a manner extending in a vertical direction. | 02-06-2014 |