HEATSINK COMPRISING A CLOSED-LOGO SLIT FOR PUMPING A CYLINDRICAL PHOSPHOR BODY

Abstract: the invention provides light generating system () comprising a first light generating device (), a luminescent body (), one or more thermally conductive bodies (), and one or more optical elements (); 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 luminescent body () comprises a luminescent material () configured to convert at least part of the first device light () into luminescent material light (); wherein the luminescent body () comprises a first face (), a second face (), and a bridging face () bridging the first face () and the second face (); wherein the second face () has an second face equivalent circular diameter d2, wherein the bridging face () has a first height (h), wherein hd, and a perimeter (p); (c) the one or more thermally conductive bodies () comprise: (c1) a first thermally conductive body part (), in thermal contact with at least part of the first face (); and (c2) a second thermally conductive body part (), in thermal contact with one or more of (i) part of the bridging face () and (ii) part of the second face (); (d) the first thermally conductive body part () and the second thermally conductive body part () define a slit-like opening

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

CPC Classification: F21V9/30 (Elements containing photoluminescent material distinct from or spaced from the light source (shades ; globes, bowls or cover glasses , ; refractors ; reflectors , ; elements with provision for controlling the spectral properties or intensity ))

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