Lighting Device, Lighting Equipment, and Lighting Control System

A lighting device comprising:

• a first light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 5000 K, or more, and a general color rendering index of which is 90, or more;
• a second light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 5000 K, or more, and a general color rendering index of which is 70, or less;
• a third light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 3000 K, or less, and a general color rendering index of which is 90, or more;
• a fourth light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 3000 K, or less, and a general color rendering index of which is 70, or less;
• a control unit which controls at least two of a light flux, the correlated color temperature, and the general color rendering index of each of the light emitting diodes;
• and
• an operation unit which designates at least one of the correlated color temperature and the general color rendering index of each of the light emitting diodes, and executes spectral distribution with the designated correlated color temperature, or the designated general color rendering index.

A lighting device comprising:

• a first light source, a correlated color temperature of which is relatively high, and a general color rendering index of which is relatively high;
• a second light source, a correlated color temperature of which is relatively high, and general color rendering index of which is relatively low;
• a third light source, a correlated color temperature is relatively low, and a general color rendering index of which is relatively high;
• a fourth light source, a correlated color temperature is relatively low, and a general color rendering index of which is relatively low;
• and
• a control unit which controls at least two of a light flux, the correlated color temperature, and the general color rendering index of each of the light sources.

A lighting device comprising:

• a first light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 5000 K, or more, and a general color rendering index of which is 90, or more;
• a second light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, the correlated color temperature of which is 5000 K, or more, and a general color rendering index of which is 70, or less;
• a third light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 3000 K, or less, and a general color rendering index of which is 90, or more;
• a fourth light emitting diode which includes a blue light emitting diode, and a phosphor which is excited by the blue light emitting diode, a correlated color temperature of which is 3000 K, or less, and a general color rendering index of which is 70, or less;
• and
• a control unit which controls at least two of a light flux, the correlated color temperature, and the general color rendering index of each of the light emitting diodes.