Lamp device, light-emitting device and luminaire

摘要

According to one embodiment, a lamp device includes a base body, a light-emitting module and a lens unit. The base body includes a recess part. The light-emitting module includes a board mounted with a light-emitting element. The board is arranged in the recess part. The lens unit includes a metal surface member to hold a lens. The surface member is arranged in the recess part and is thermally coupled to the base body and the board.

主权项

1. A lamp device comprising:
a metallic base body including a recess part at one end side; a light-emitting module including a light-emitting element and a board mounted with the light-emitting element and formed with a coupling hole, in which the board is arranged in the recess part; a lens unit including a lens to control luminous intensity distribution of light generated by the light-emitting element, a metal surface member to hold the lens, and a plurality of metallic support parts supporting the surface member relative to the board and thermally coupling the surface member to the board, wherein the support parts include a contact surface brought into contact with the board and an insertion part inserted into the coupling hole of the board, in which the surface member is arranged in the recess part and is thermally coupled to the base body and the board; a feeding terminal arranged at the other end side of the base body; and a lighting circuit arranged between the base body and the feeding terminal.