发明名称 LIGHT SOURCE DEVICE
摘要 A light source device includes a Fresnel lens having a light incidence surface and a light emission surface, and equipped with a light transmissive part and a light reflective part provided on an outside of the light transmissive part; and a light emitting element that is disposed opposite the light incidence surface of the Fresnel lens, and is disposed below the light transmissive part and part of the light reflective part on the light transmissive part side.
申请公布号 US2016348874(A1) 申请公布日期 2016.12.01
申请号 US201615165384 申请日期 2016.05.26
申请人 NICHIA CORPORATION 发明人 ARUGA Takanori
分类号 F21V5/04;F21V29/89;F21V7/00;F21V9/16 主分类号 F21V5/04
代理机构 代理人
主权项 1. A light source device comprising; a Fresnel lens having a light incidence surface and a light emission surface, and equipped with a light transmissive part and a light reflective part provided on an outside of the light transmissive part; and a light emitting element that is disposed opposite the light incidence surface of the Fresnel lens, and is disposed below the light transmissive part and part of the light reflective part on the light transmissive part side.
地址 Anan-shi JP