Patent ID: 8371736
Filing Date: 2013-02-12
Classification: G02B,H04N

Abstract:
1. A light source apparatus comprising: a first light direction changing face that extends in a longitudinal direction; a second light direction changing face that extends in the longitudinal direction; a light guiding member having a first light emitting face and a second light emitting face that are formed so as to respectively face the first and second light direction changing faces; and a light source that is arranged on at least one end face of the light guiding member, wherein a first vertical plane and a second vertical plane are formed to intersect in a light emitting face side from the first and second light direction changing faces respectively, wherein a groove extending in a longitudinal direction of the light guiding member is formed between the first light direction changing face and the second light direction changing face, wherein first light direction side faces are formed along both side edges of a first light direction changing face and are configured to emit a light that has a component parallel to the first vertical plane at a peak portion of a light amount at a first light emission face, and wherein second light direction side faces are formed along both side edges of a second light direction changing face and are configured to emit a light that has a component parallel to the second vertical plane at a peak portion of a light amount at a second light emission face.