A multi-staged lighting device (1) for generating a polarized multi-colored light beam (25) is disclosed. The multi-staged lighting device (1) comprises two or more light concentrators (5, 15), each light concentrator (5, 15) having a wavelength converter (8, 19) configured to convert light entering the light concentrator (5, 15) to light having a longer wavelength, and at least one polarizing beam splitter (10) configured to split converted light coupled out from a light concentrator (5, 15) into two light beams having different polarizations, one of the light beams being transmitted to a different light concentrator (5, 15) and the other light beam forming a color component of the polarized multi-colored light beam (25). Light converted by wavelength converters (8, 19) of different light concentrators (5, 15) has different wavelengths, and the light concentrators (5, 15) are arranged in order of increasing wavelength of the converted light, a first light concentrator (5) being arranged to receive light from at least one light source (2, 17). A method for generating a polarized multi-colored light beam (25) is also disclosed.


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    Title :

    MULTI-STAGED LIGHTING DEVICE


    Additional title:

    MEHRSTUFIGE BELEUCHTUNGSVORRICHTUNG
    DISPOSITIF D'ÉCLAIRAGE À ÉTAGES MULTIPLES


    Contributors:

    Publication date :

    2016-03-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / F21K Nicht-elektrische Lichtquellen unter Verwendung von Lumineszenz , NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien



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