LUMINOUS FLUX CONTROL MEMBER, LIGHT EMITTING APPARATUS, ILLUMINATING APPARATUS, AND DISPLAY APPARATUS

摘要

A light flux controlling member (100) of the present invention has: an incident part (110) that receives light emitted from a light emitting element (210); a total reflection surface (120) that reflects a part of light incident from the incident part (110) toward a front side; a first emission part (130) that emits incident light received directly from the incident part (110) and light reflected at the total reflection surface (120) toward the outside; and a second emission part (160) that is protruded to the outside from the total reflection surface (120) and emits another part of light incident from the emission part (110) toward the outside.

主权项

1. A light flux controlling member that controls a distribution of light emitted from a light emitting element, comprising:
an incident part that is formed at a back side of the light flux controlling member so as to intersect a central axis of the light flux controlling member and that receives light emitted from the light emitting element; a total reflection surface that is formed so as to surround the central axis and so as to have a diameter that gradually increases from the back side toward a front side of the light flux controlling member and that reflects a part of light incident from the incident part toward the front side; a first emission part that is formed at the front side so as to intersect the central axis and that emits incident light received directly from the incident part and light reflected at the total reflection surface toward the outside; and a second emission part being formed of one or two or more plate-like parts extending in a radial direction from the total reflection surface, the second emission part being configured to emit another part of light incident from the emission part toward the outside.