Artificial skylight utilizing light-guides for enhanced display

An illumination apparatus, comprising:

• a case having an opening portion;
• a first light source disposed in the case and including a plurality of light-emitting elements;
• a light diffuser which is disposed in the opening portion, diffuses and transmits light emitted from the first light source, and from which the light diffused and the light transmitted exit;
• and
• a light emission component disposed outside a light exit region of the light diffuser on a light exit surface side of the light diffuser,
• wherein the light emission component is a different component from the case and has a light emission surface, and
• the light emission surface reflects light that is emitted from the first light source and enters the light emission surface without transmitting through the light emission component, and emits light that is emitted from the second light source and transmits through the light emission component.

An illumination system, comprising:

• an illumination apparatus including:
• a case having an opening portion;
• a first light source disposed in the case and including a plurality of light-emitting elements;
• and
• a light diffuser which is disposed in the opening portion, diffuses and transmits light emitted from the first light source, and from which the light diffused and the light transmitted exit;
• light-emitting equipment including:
• a light emission component disposed outside a light exit region of the light diffuser on a light exit surface side of the light diffuser;
• and
• a second light source that emits light to the light emission component to cause the light emission component to radiate light;
• and
• an illumination controller that controls light emission of the first light source and light emission of the second light source,
• wherein the light emission component is a different component from the case and has a light emission surface, and
• the light emission surface reflects light that is emitted from the first light source and enters the light emission surface without transmitting through the light emission component, and emits light that is emitted from the second light source and transmits through the light emission component.