Luminous panel for background lighting of signs and advertising placards has a bank of fiber optic light guides, sources of light and associated power supply units

摘要

Tubular sources (16,18) of light fit on the edge of a bank (10) of fiber optic light guides and relate to power supply units (28,30). The tubular sources of light are arranged on a joint in two or more parallel rows along one or more edges of the bank of fiber optic light guides, so that locations (22,24) of joints are staggered against each other in the rows.