Patent ID: 9482413
Filing Date: 2016-11-01
CPC Classification: F21K,F21S,F21V,F21Y,G02B,H05B

Claim Text:
1. A lighting device comprising: a plurality of LEDs, a movable member comprising a plurality of translucent segments, wherein at least one of the translucent segments comprises a wavelength conversion material, the movable member being positioned such that light from the LEDs is transmitted through the plurality of translucent segments, wherein the member is movable relative to the LEDs such that the light transmitted through the plurality of translucent segments is perceived as a mix of the light transmitted through each of the translucent segments, and a control unit adapted to control the color of the light resulting from the mix by controlling the power supplied to the individual LEDs in correspondence to the movement of the movable member such that the color of the light resulting from the lighting device is adjustable, wherein the control unit is adapted to adjust the total power supplied to the lighting device independently from the power supplied to each one of the plurality of LEDs.