A solid-state lighting device (300, 500) comprising: (a) a plurality of light-emitting elements for generating light, including at least one light-emitting element having a first surface area; (b) a heat spreading chassis (310, 540) thermally connected to the plurality of light emitting elements, said heat spreading chassis configured for coupling to at least one heat sink; (c) a mixing chamber optically coupled to the plurality of light-emitting elements for to mixing the light emitted by the plurality of light-emitting elements; and (d) a control system operatively coupled to the plurality of light-emitting elements for controlling operation of the plurality of light-emitting elements, characterized in that one or more of the plurality of light emitting elements emit light substantially perpendicular to an exit aperture of the solid-state lighting device and are operatively coupled to a flexible circuit board thermally connected to the heat spreading chassis, wherein one or more of the plurality of light-emitting elements are driven by an AC power supply, and wherein the plurality of light-emitting elements further includes one or more digitally controlled light-emitting elements configured to modify chromaticity or correlated color temperature, CCT, of the light, wherein the plurality of light-emitting elements further includes at least one light-emitting element (525, 530) having a second surface area, wherein the first surface area is smaller than the second surface area, and wherein the heat spreading chassis defines a groove formed therein for facilitating engagement with the flexible circuit board. (a) a plurality of light-emitting elements for generating light, including at least one light-emitting element having a first surface area; (b) a heat spreading chassis (310, 540) thermally connected to the plurality of light emitting elements, said heat spreading chassis configured for coupling to at least one heat sink; (c) a mixing chamber optically coupled to the plurality of light-emitting elements for to mixing the light emitted by the plurality of light-emitting elements; and (d) a control system operatively coupled to the plurality of light-emitting elements for controlling operation of the plurality of light-emitting elements, characterized in that one or more of the plurality of light emitting elements emit light substantially perpendicular to an exit aperture of the solid-state lighting device and are operatively coupled to a flexible circuit board thermally connected to the heat spreading chassis, wherein one or more of the plurality of light-emitting elements are driven by an AC power supply, and wherein the plurality of light-emitting elements further includes one or more digitally controlled light-emitting elements configured to modify chromaticity or correlated color temperature, CCT, of the light, wherein the plurality of light-emitting elements further includes at least one light-emitting element (525, 530) having a second surface area, wherein the first surface area is smaller than the second surface area, and wherein the heat spreading chassis defines a groove formed therein for facilitating engagement with the flexible circuit board.