Source of light

Source of light

Sun / Daylight (49)

Bioluminescence (1)

Fluorescence / phosphorescence / luminescence radiation (20)

Fossil fuels (1)

Electric arc / carbon arc lamp / Yablochkov candle (2)

Electric light (106)

Filament lamp / incandescant lamp (37)

Neon and fluorescent tubes, custom made (79)

Neon- and fluorescent tubes, industrially manufactured (50)

Gas discharge lamp (4)

Electroluminescence (3)

Ultraviolett / Ultraviolet radiation (11)

Screen / LCD TFT monitor (21)

Projection system (139)

Ambient light (34)

Invisible light source (71)

Light source visible (150)

Control system (133)