Patent ID: 10982840

Abstract:
A light emitting device comprising a base, a rod-shaped heat sink element extending from the base along a longitudinal axis of the light emitting device, the rod-shaped heat sink element comprising N sides. The N sides comprise at least one top side which in an assembled condition of the light emitting device faces away from an exit window of the light emitting device, at least one bottom side which in an assembled condition of the light emitting device faces towards an exit window of the light emitting device, and at least two mutually opposite sides extending between said at least one top side and said at least one bottom side. The N sides comprise M LED arrays, each comprising a plurality of LEDs, each LED of the plurality of LEDs comprising a respective light output surface arranged facing in a main direction. The at least one first LED array comprises a plurality of side emitting LEDs, the at least one second LED array comprises a plurality of top emitting LEDs and the at least one third LED array and the at least one fourth LED array each comprises a plurality of either side or top emitting LEDs.