A light pipe (400, 500) is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. The light pipe comprises an outer surface (410, 510) and an interior region bounded by an inner surface (420, 520) interfacing with the outer surface (410, 510), one or more reflective surfaces (108) aligned with the inner surface (420, 520) and disposed such that when at least one of the one or more reflective surfaces is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. The outer surface has a first portion (410a, 510a) and at least a second portion thereof (410b, 510b, 510c); wherein the one or more of the reflective surfaces (108) functions as a secondary light source, and wherein the at least second portion (410b, 510b, 510c) has a radius of curvature which differs from the radius of curvature of the first portion (410a, 510a) of the outer surface (410, 510).
LIGHT PIPE PROVIDING WIDE ILLUMINATION ANGLE
HOHLLICHTLEITER MIT BREITEM BELEUCHTUNGSWINKEL
CONDUIT DE LUMIERE A LARGE ANGLE D'ECLAIRAGE
2020-01-15
Patent
Elektronische Ressource
Englisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
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