Lighting apparatus and lighting system including the same

A lighting apparatus comprising:

• a controller;
• and
• an LED luminaire configured to implement a color temperature from a minimum color temperature of 3,000K or less to a maximum color temperature of 5,000K or more, the LED luminaire comprising a light emitting apparatus including at least one first light emitter, at least one second light emitter, and at least on third light emitter,
• wherein the controller is configured to control the first, second, and third emitters to change the color temperature of the LED luminaire,
• wherein a maximum color temperature included in a triangle region defined by color coordinates of the first light emitter, the second light emitter, and the third light emitter is 5,000K or more,
• wherein a minimum color temperature included in a triangle region defined by color coordinates of the first light emitter, the second light emitter, and the third light emitter is 3,000K or less, and
• wherein in the CIE-1931 coordinate system, the color coordinates of the at least one first light emitter is closer to a color temperature of 5,000K than those of the at least one second light emitter and the at least one third light emitter, and the color coordinates of the at least one third light emitter is closer to a color temperature of 3,000K than those of the at least one first light emitter and the at least one second light emitter.

A lighting apparatus comprising:

• a controller;
• and
• an LED luminaire configured to implement a color temperature from a minimum color temperature of 3,000K or less to a maximum color temperature of 5,000K or more, the LED luminaire comprising a light emitting apparatus including a plurality of light emitters,
• wherein the controller is configured to control the plurality of light emitters to change the color temperature of the LED luminaire,
• wherein a region defined by color coordinates of the plurality of light emitters comprises at least a region on a Planckian locus, and the maximum color temperature and the minimum color temperature included in the triangle region are 5,000K or more, and 3,000K or less, respectively,
• wherein a color temperature of light implemented by the plurality of the light emitters has high fidelity (Rf), and
• wherein the Rf of at least a fraction of light having a color temperature from 2700K to 6500K is 95 or more.