公开(公告)号：US20190277456A1

公开(公告)日：2019-09-12

申请号：US16295359

申请日：2019-03-07

Applicant: GE Lighting Solutions, LLC

Inventor： Wenjiang ZHANG ,  Ruojian ZHU

IPC: F21K9/69 ,  C03C3/04 ,  C03C4/08 ,  F21K9/233 ,  F21V5/04

Abstract: The present invention provides a lamp comprising: an LED light source; a lens comprising an incident surface and an emergent surface, the incident surface defining a first cavity, and the emergent surface comprising an annular protuberance thereon; and a light filter device accommodated within a space defined by the annular protuberance of the lens, wherein, the LED light source is situated within or proximate to the first cavity, to enable light emitted from the LED light source entering the lens from the incident surface and exiting the lens from the emergent surface to be at least partially transmitted through the light filter device.

公开(公告)号：US20170261162A1

公开(公告)日：2017-09-14

申请号：US15529849

申请日：2015-12-01

Applicant: GE LIGHTING SOLUTIONS, LLC

Inventor： Dengke CAI ,  Thomas J. BOYLE ,  Jian LI ,  Qing YI ,  Zhiyong WANG ,  Huisheng ZHOU ,  Kun XIAO ,  Ruojian ZHU

IPC: F21K9/64 ,  F21K9/232

CPC classification number: F21K9/64 ,  F21K9/232 ,  F21Y2105/18 ,  F21Y2115/10 ,  H01L33/44

Abstract: A lighting apparatus includes at least one light source generating a visible light and an optical component, the optical component includes a transparent, translucent or reflective substrate and a coating on a surface of the substrate to cause a color filtering effect to the visible light passing through the optical component, the coating includes a compound containing Nd3+ ions and F″ ions.