An illumination apparatus including: multiple LEDs; and a lens unit that is placed correspondingly to the respective LEDs, wherein the lens unit includes a transmission lens, a first total-reflection lens, and a second total-reflection lens, wherein an incidence surface and an emission surface of the transmission lens, as well as incidence surfaces, emission surfaces and total-reflection surfaces of the first total-reflection lens and the second total-reflection lens are two-axis anamorphic aspherical surfaces, a microlens array is formed on at least one of the incidence surface and the emission surface of the transmission lens, a microlens array is formed on at least one of the emission surfaces, the total-reflection surfaces and the incidence surfaces of the first total-reflection lens and the second total-reflection lens, and the microlens arrays each have a structure in which microlenses are periodically arrayed, and are arrayed along the vertical and horizontal directions of the illumination apparatus.
Illumination apparatus and automobile equipped with same
29.05.2018
Patent
Elektronische Ressource
Englisch
IPC: | F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / 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 |
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