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1. (WO2017150149) ILLUMINATING DEVICE AND FRESNEL LENS

Pub. No.:    WO/2017/150149    International Application No.:    PCT/JP2017/005006
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Feb 11 00:59:59 CET 2017
IPC: F21S 8/02
F21S 8/04
F21V 5/00
F21V 5/02
F21V 5/04
F21V 21/30
F21Y 115/10
Applicants: MINEBEA MITSUMI INC.
ミネベアミツミ株式会社
Inventors: TAKAYAMA, Ryohei
高山 良平
Title: ILLUMINATING DEVICE AND FRESNEL LENS
Abstract:
An illuminating device (1) according to the present invention includes: a case (10); a pivoting member (11) that is provided to the case (10) in a pivotable manner; a light emitting element (12) that is held by the pivoting member (11), is capable of pivoting together with the pivoting member (11), and emits illumination light; and a Fresnel lens (14) that is held by the pivoting member (11), is capable of pivoting together with the pivoting member (11), and has a reflecting part (142) formed from a plurality of reflecting prisms (142a) that reflect incoming illumination light, wherein at least some reflecting prisms (142a) among the plurality of reflecting prisms (142a) of the reflecting part (142) reflect illumination light, emitted from the light emitting element (12), toward the optical axis of the illumination light.