公开(公告)号：US09909723B2

公开(公告)日：2018-03-06

申请号：US14813595

申请日：2015-07-30

Applicant: Cree, Inc.

Inventor： Michael John Bergmann ,  Julio Garceran

IPC: F21K9/90 ,  F21K9/232 ,  F21K9/61 ,  F21Y115/10 ,  F21Y113/13

CPC classification number: F21K9/90 ,  F21K9/232 ,  F21K9/61 ,  F21Y2113/13 ,  F21Y2115/10

Abstract: A small form factor LED lighting system provides for color-controlled dimming. Embodiments of the invention use one or more small-footprint LED(s) that can emit light of different correlated color temperatures (CCTs, colors or spectral outputs). The CCT of the fixture or bulb can change when dimmed by disproportionate adjustment of the driving power for each color. The small size and footprint of the LEDs enables use in decorative LED lamps, such as those designed to replace candelabra style incandescent bulbs. Various options can be used to tune the performance and lighting characteristics of a lamp according to embodiments of the invention, such as the use of differing LED device package optics, the use of reflective materials in and/or around LED device packages, and the use of a secondary optic to produce an omnidirectional light pattern.

公开(公告)号：US20170030529A1

公开(公告)日：2017-02-02

申请号：US14813595

申请日：2015-07-30

Applicant: Cree, Inc.

Inventor： Michael John Bergmann ,  Julio Garceran

IPC: F21K99/00 ,  F21V5/04

CPC classification number: F21K9/90 ,  F21K9/232 ,  F21K9/61 ,  F21Y2113/13 ,  F21Y2115/10

Abstract: A small form factor LED lighting system provides for color-controlled dimming. Embodiments of the invention use one or more small-footprint LED(s) that can emit light of different correlated color temperatures (CCTs, colors or spectral outputs). The CCT of the fixture or bulb can change when dimmed by disproportionate adjustment of the driving power for each color. The small size and footprint of the LEDs enables use in decorative LED lamps, such as those designed to replace candelabra style incandescent bulbs. Various options can be used to tune the performance and lighting characteristics of a lamp according to embodiments of the invention, such as the use of differing LED device package optics, the use of reflective materials in and/or around LED device packages, and the use of a secondary optic to produce an omnidirectional light pattern.

Abstract translation: 一个小尺寸LED照明系统提供颜色控制调光。 本发明的实施例使用能够发射不同相关色温（CCT，颜色或光谱输出）的光的一个或多个小尺寸LED。 夹具或灯泡的CCT可以通过对每种颜色的驱动力进行不成比例的调整而变暗。 LED的小尺寸和足迹可用于装饰LED灯，例如用于取代烛台式白炽灯泡的LED灯。 可以使用各种选项来调节根据本发明的实施例的灯的性能和照明特性，例如使用不同的LED器件封装光学器件，在LED器件封装内和/或周围使用反射材料，以及使用 的二次光学器件以产生全向光图案。