公开(公告)号：US20170227208A1

公开(公告)日：2017-08-10

申请号：US15018606

申请日：2016-02-08

Applicant: Cree, Inc.

Inventor： Andrew BENDTSEN ,  Kurt WILCOX ,  Boris KARPICHEV ,  John DURKEE ,  John ROBERTS ,  David GOELZ ,  Douglas E. Keiter ,  Randy Bernard

IPC: F21V29/83 ,  F21V5/04 ,  F21V23/00 ,  F21V17/16 ,  H05B37/02 ,  F21V29/89 ,  F21V31/00 ,  F21V7/00 ,  F21V13/04 ,  F21V23/06 ,  F21V15/015 ,  F21V29/74

CPC classification number: F21V29/83 ,  F21S8/00 ,  F21V5/007 ,  F21V5/045 ,  F21V7/0083 ,  F21V13/04 ,  F21V15/01 ,  F21V17/16 ,  F21V23/007 ,  F21V23/0442 ,  F21V23/06 ,  F21V29/508 ,  F21V29/74 ,  F21V29/89 ,  F21V31/00 ,  F21W2131/10 ,  F21Y2105/10 ,  F21Y2113/00 ,  F21Y2115/10 ,  H05B33/0803 ,  H05B37/0218 ,  H05B37/0227 ,  Y02B20/46

Abstract: In one aspect, luminaires are described herein enabling independent thermal management of driver and LED assemblies. For example, a luminaire comprises a driver assembly vertically integrated with a LED assembly, the driver assembly comprising a driver heatsink having an interior in which a circuit board assembly is positioned, and the LED assembly comprising an array of LEDs and LED heatsink, wherein a barrier is positioned between the driver heatsink and the LED heatsink, separating convective cooling of the driver assembly from convective cooling of the LED assembly.

公开(公告)号：US20180252899A1

公开(公告)日：2018-09-06

申请号：US15449126

申请日：2017-03-03

Applicant: Cree, Inc.

Inventor： Jin Hong LIM ,  John ROBERTS ,  Steve WILCENSKI

IPC: G02B13/18 ,  H04N5/225 ,  G02B13/08 ,  G03B15/06

CPC classification number: G02B13/18 ,  G02B13/08 ,  G03B15/03 ,  G03B2215/0592 ,  H04N5/2256

Abstract: Asymmetrical lenses are provided having design to mitigate or eliminate field of view mismatch between image sensor modules and luminaires incorporating the image sensor modules. Briefly, an asymmetrical lens comprises an optical axis and a front surface comprising a first set of normal axes (x, y) in a plane normal to the optical axis and a negative radius of curvature or positive radius of curvature along each of the normal axes (x, y). The asymmetrical lens also comprises a back surface comprising a second set of normal axes (x′, y′) in the plane normal to the optical axis and a negative radius of curvature or positive radius of curvature along each of the normal axes (x′, y′), wherein the asymmetrical lens has negative refractive power or positive refractive power in each of an x-axis and y-axis of an image plane of the asymmetrical lens.