SIDE-EMITTING OPTICAL COUPLING DEVICE

摘要

A LED package (10) includes a LED structure that outputs light in a pattern about an axis (22) and an optical coupling device (14) with a central axis (22). The coupling device (14) is positioned relative to the LED structure and accepts light from the LED (12). The coupling device (14) ludes a first dielectric interface surface (18) that is substantially cylindrical with respect to the central axis (22), and a reflecting surface (32). The first dielectric interface surface (30) accepts a first portion of light (40) from the LED structure and directs it toward the reflecting surface (32). The reflecting surface accepts the light from the first dielectric interface surface (30) in a direction substantially perpendicular to the central axis (22).