| 发明名称 | LED lighting assembly and an LED retrofit lamp having the LED lighting assembly | ||
| 摘要 | An LED lighting assembly may include a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface. | ||
| 申请公布号 | US9255667(B2) | 申请公布日期 | 2016.02.09 |
| 申请号 | US201214236344 | 申请日期 | 2012.08.01 |
| 申请人 | OSRAM GmbH | 发明人 | Zhang Qihui;Ming Yusheng;Li Anmiao;Buchhauser Dirk |
| 分类号 | F21V5/00;F21K99/00;F21V3/02;F21V17/10;F21Y101/02;F21Y103/02 | 主分类号 | F21V5/00 |
| 代理机构 | Viering, Jentschura & Partner | 代理人 | Viering, Jentschura & Partner |
| 主权项 | 1. An LED lighting assembly, comprising: a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface, wherein a plurality of annular grooves are provided on the inner surface, the annular grooves are spaced apart in a direction from the end surface to a top of the bulb. | ||
| 地址 | Munich DE | ||