LIGHTING DEVICE, LIGHTING REFLECTOR AND PRODUCTION METHOD THEREFOR

摘要

In a lighting reflector (10) provided with a metal substrate (11) comprising an inner peripheral surface (13a) expanding in diameter towards a light exit (14) open at one end in the axial direction, a thin film layer (17) formed from a thin film containing a ceramic and causing light to be scattered is provided on the inner peripheral surface (13a) at least at an end portion to the opposite side with respect the to light exit (14).