A LIGHTING DEVICE AND CORRESPONDING METHOD

摘要

A lighting device (10) includes a channel-shaped elongated profiled body (12) including a light permeable material and having a mouth portion (12a), and a light radiation source assembly (16) arranged at said mouth portion (12a) and including a support board (16a) having one or more electrically powered light radiation sources (16b), e.g. LED light radiation sources, thereon facing profiled body (12). The mouth portion (12a) of the profiled body (12) includes shoulder formations (120a, 120b) arranged sidewise of said mouth portion (12), with said support board (16a) abutting against said shoulder formations (120a, 120b).