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公开(公告)号:US11054101B2
公开(公告)日:2021-07-06
申请号:US16998779
申请日:2020-08-20
Inventor: Yosuke Araki , Ryoma Murase , Kazumasa Takata , Jun Hirai , Hiroshi Umiji , Hiroshi Hamano
IPC: F21S41/25 , F21V5/00 , F21V3/02 , F21S41/30 , F21S41/143 , F21W102/135 , F21Y115/10
Abstract: A lighting device includes a light emitting element; a first lens that receives light emitted from the light emitting element and emits first emission light; and a second lens that receives the first emission light and emits second emission light. The first lens has a first emission surface emitting the first emission light, the first emission surface having a convex shape protruding in a Z direction.