# 17-22-059

brightness

attribute of a visual perception according to which an area appears to emit, transmit or reflect, more or less light

Note 1 to entry: The use of this term is not restricted to primary light sources.

Note 2 to entry: This entry was numbered 845-02-28 in IEC 60050-845:1987.

Note 3 to entry: This entry was numbered 17-111 in CIE S 017:2011.

Publication date: 2020-12