Gertrud Kräuter

LED lamp for generating predeterminable distribution of luminous intensity in photometric far-field, has reflector arranged opposite to carrier element, where upper surface of carrier element comprises three-dimensional structure

METHOD FOR PRODUCING AN OPTICAL ELEMENT

Method for covering a surface with luminescent substance

Verfahren zur herstellung eines optischen elements

LED chip e.g. indium gallium aluminum phosphide chip, for use as thin film surface radiator chip in LED module of LED retrofit lamp, has filter applied on chip, where transmittance of filter partially increases with increasing wavelength

Beleuchtungseinheit mit einer Mehrzahl LEDs

LED lighting device manufacturing method, involves covering LED chip with converter layer, filling matrix material in converter layer, roughening surface of LED chip, and applying adhesion promoter on surface of LED chip

Lighting unit with light-emitting component

Procédé pour garnir une surface de substance luminescente

Optisches Bauelement, Verfahren zum Herstellen des optischen Bauelementes, Verfahren zum Betreiben eines optischen Bauelements und Verfahren zum Homogenisieren der Strahlungsdichte elektromagnetischer Strahlung in einem optischen Bauelement