HIGH BRIGHTNESS LIGHT SOURCE

Abstract: the invention provides in embodiments a light generating system () comprising a first light generating device (), a first luminescent material (), and a second luminescent material (), wherein: a) the first light generating device () is configured to generate first device light (), wherein the first light generating device () comprises a first light source () selected from the group of a superluminescent diode and a laser; b) the first luminescent material () comprises a line absorber and line emitter luminescent material providing a first luminescent material emission () comprising a line emission at a first wavelength (�) upon excitation with the first device light (); c) the second luminescent material () comprises a broad band emitter luminescent material providing a second luminescent material emission () comprising a broad band emission upon excitation with the first device light (), wherein the second luminescent material emission () has a second centroid wavelength (�), wherein |�-�|≤20 nm; d) the first light generating device () is configured to pump one or more of the first luminescent material () and the second luminescent material () with the first device light (); and e) the light generating system () is configured to generate system light () comprising one or more of the first luminescent material emission () and the second luminescent material emission ().

Inventor(s): TIES VAN BOMMEL, RIFAT ATA MUSTAFA HIKMET

CPC Classification: F21K9/64 (using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer)

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