LED module, luminaire comprising same and method for influencing a light spectrum

A luminaire comprising a luminaire housing and a light-emitting diode (LED) module (1) coupled to the luminaire housing, wherein the LED module provides general illumination to a volume of space, wherein the LED module comprises a plurality of sub-modules disposed on at least one LED carrier, wherein the plurality of sub-modules comprises a first sub-module and a second sub-module, wherein the first sub-module comprises a first plurality of LEDs and at least one white LED, wherein the second sub-module comprises a second plurality of LEDs, wherein the first plurality of LEDs emits a first range of substantially similar constant monochromatic radiations of a first non-white color, wherein the second plurality of LEDs emits a second range of substantially similar constant monochromatic radiations of a second non-white color, wherein the plurality of sub-modules emit a first total light emission spectrum comprising a first substantially similar constant monochromatic radiation within the first range of first substantially similar constant monochromatic radiations and a light emission of the at least one first white LED for the first sub-module and a second substantially similar constant monochromatic radiation within the second range of second substantially similar constant monochromatic radiations for the second sub-module, wherein the first plurality of LEDs of the first sub-module are controlled together, wherein the second plurality of LEDs of the second sub-module are controlled together and independently of the first plurality of LEDs, wherein the first sub-module and the second sub-module are controlled independently of each other, wherein the first sub-module and the second sub-module are individually controlled simultaneously to emit the first total light emission spectrum, wherein at least one white LED is used to increase a color rendering index, wherein the LED module is configured to allow a quantity of the first plurality of LEDs to be physically changed, wherein the first substantially similar constant monochromatic radiation emitted by the first plurality of LEDs, the second substantially similar constant monochromatic radiation emitted by the second plurality of LEDs, and the light emission of the at least one first white LED are reflected off a reflective inner surface of the luminaire housing before being emitted into the volume of space.

A method for influencing a light spectrum of a light source (13) in an ambient environment, wherein the method comprises:

• controlling a first sub-module to emit a first substantially similar constant monochromatic radiation of a first non-white color and a second sub-module to emit a second substantially similar constant monochromatic radiation of a second non-white color so that the light source provides general illumination to a volume of space by emitting a first total light emission spectrum, wherein the first sub-module and the second sub-module are arranged on at least one LED carrier of an LED module (1), wherein the first sub-module comprises a first plurality of LEDs configured to emit a first substantially similar constant monochromatic among a first range of a first substantially similar constant monochromatic radiations of a first non-white color and at least one white LED to increase a color rendering index, wherein the second sub-module comprises a second plurality of LEDs configured to emit a second substantially similar constant monochromatic radiation among a second range of second substantially constant monochromatic radiations of a second non-white color, wherein the first sub-module is controlled independently of the second sub-module, wherein controlling the first sub-module comprises controlling the first plurality of LEDs together, wherein controlling the second sub-module comprises controlling the second plurality of LEDs together and independently of the first plurality of LEDs, wherein the first sub-module and the second sub-module are individually controlled simultaneously to emit the first total light emission spectrum, wherein the first total light emission spectrum is generated by overlapping the first substantially similar constant monochromatic radiation emitted by the first plurality of LEDs, a light emission emitted by the at least one first white LED, and the second substantially similar constant monochromatic radiation emitted by the second plurality of LEDs, wherein the first substantially similar constant monochromatic radiation, the second substantially similar constant monochromatic radiation, and the light emission overlap after each is directed toward and reflected off of a reflective inner surface of the luminaire before being emitted into the ambient environment, wherein the first substantially similar constant monochromatic radiation is within the first range, and wherein the second substantially similar constant monochromatic radiation is within the second range, wherein the LED module is configured to allow a quantity of the first plurality of LEDs to be physically changed.