general/lighting

none

Age-appropriate lighting

Light source affixed to the head

Simplified light level calculation

Lighting designed with energy efficient light source

none

Light with frequencies ranging from infrared to near-ultraviolet

None

Use of a light source to simulate sunlight

Backup light source used in power outages

Modification for the Game Boy Advance

Deliberate use of light to achieve practical or aesthetic effects

Use of gaseous tritium to create visible light

Commercial lighting manufacturer

Lighting products manufacturer

American manufacturing company

Brand of paraffin lamp

none