公开(公告)号：US20170284634A1

公开(公告)日：2017-10-05

申请号：US15473524

申请日：2017-03-29

Applicant: NICHIA CORPORATION

Inventor： Seiji KIYOTA ,  Hiroaki YUTO ,  Kei ADACHI

IPC: F21V9/16 ,  F21V5/04 ,  F21V31/00 ,  F21V5/02 ,  F21V11/00

CPC classification number: F21V9/30 ,  F21K9/64 ,  F21S41/14 ,  F21S41/16 ,  F21S43/26 ,  F21V5/02 ,  F21V5/04 ,  F21V11/00 ,  F21V31/005 ,  F21Y2115/30 ,  H01S5/005 ,  H01S5/02216 ,  H01S5/0222 ,  H01S5/0224 ,  H01S5/02292 ,  H01S5/02296 ,  H01S5/32341

Abstract: A light emitting device includes: a base member; a laser element disposed on or above a mounting surface of the base member; a fluorescent member including a first main surface and a second main surface respectively positioned on opposite sides of the fluorescent member, the second main surface being fixed to the mounting surface of the base member; a first optical member configured to change a traveling direction of laser light emitted by the laser element to be directed toward the first main surface of the fluorescent member; and a lid connected to the base member and enclosing the laser element, the fluorescent member, and the first optical member in a space beneath the lid, the lid being configured to transmit light from the fluorescent member.