Patent ID: 8342704

Claim:
A lighting device having a light output portion from which light is output, the lighting device comprising: a light source; and an optical member provided on the light output portion side with respect to the light source, wherein: the optical member is held by a pair of holding members; the holding members include a first holding member that holds the optical member on the light source side and a second holding member that holds the optical member on an opposite side from the light source side; a buffer is provided in at least one of a space between the optical member and the first holding member and a space between the optical member and the second holding member; the buffer has at least one rough surface on a side that abuts the optical member; the buffer includes a pair of plates and a formed member having a modulus of elasticity higher than the plates and being held between the plates; and an outer surface of at least one of the pair of plates defines the at least one rough surface.