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公开(公告)号：US10422944B2
公开(公告)日：2019-09-24
申请号：US14726152
申请日：2015-05-29
Applicant: Cree, Inc.
Inventor： Zongjie Yuan , Kurt S. Wilcox , Christopher D. Strom
IPC: G02B6/00 , F21V8/00 , G02B6/30 , G02B6/32 , G02B6/34 , G02B6/24 , G02B6/26 , F21S8/02 , F21V7/00 , F21K9/61
Abstract: According to one aspect, an optical waveguide includes a first waveguide portion and a second waveguide portion adjacent to and separate from the first waveguide portion. The waveguide portions include light coupling portions that are at least partially aligned and adapted to receive light developed by a light source. The first waveguide portion further has a first major surface with light direction features and a second major surface opposite the first major surface. The second waveguide portion further has a third major surface proximate the second major surface with an air gap disposed therebetween and a fourth major surface opposite the third major surface wherein the fourth major surface includes a cavity extending therein.
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公开(公告)号：US20190257498A1
公开(公告)日：2019-08-22
申请号：US16402285
申请日：2019-05-03
Applicant: Cree, Inc.
Inventor： Mario A. Castillo , Kurt S. Wilcox , William L. Dungan , Russell S. Schultz , Brian Kinnune
IPC: F21V13/04 , F21V29/77 , F21V5/02 , F21V23/00 , F21V29/85 , F21V15/01 , F21S8/06 , F21V23/04 , F21V7/00
Abstract: A lighting apparatus is provided with a first housing assembly formed from a thermally conductive material and a second housing assembly formed of a thermally conductive material. At least one electrical component is positioned within the first housing assembly and the at least one electrical component is in thermally conductive contact with the first housing assembly. At least one light source is in thermally conductive contact with the second housing assembly. The second housing assembly is not in thermally conductive contact with the first housing assembly, such that thermal energy from the first housing assembly does not directly transfer to the second housing assembly.
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公开(公告)号：US10364948B2
公开(公告)日：2019-07-30
申请号：US15976602
申请日：2018-05-10
Applicant: CREE, INC.
Inventor： Jin Hong Lim , Kurt S. Wilcox , Boris Karpichev
Abstract: According to an aspect of the present disclosure, a waveguide comprises a waveguide body comprising an optically transmissive material and one or more extraction features disposed on a surface of the waveguide body such that the extraction features comprise a reflective material disposed on a portion of the surface of the waveguide body. Still further, in accordance with this aspect, the waveguide comprises a light source directing light into the waveguide body through a coupling cavity extending along the waveguide body wherein the light travels through the waveguide body and is redirected by the plurality of extraction features.
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公开(公告)号：US10234616B2
公开(公告)日：2019-03-19
申请号：US14101129
申请日：2013-12-09
Applicant: Cree, Inc.
Inventor： Eric J. Tarsa , Hormoz Benjamin , Bernd P. Keller , Kurt S. Wilcox , Zongjie Yuan
IPC: F21V8/00 , F21S8/06 , F21V7/00 , F21V29/70 , F21V29/74 , F21K9/61 , F21Y113/00 , F21Y113/10 , F21Y115/10
Abstract: A luminaire having a waveguide suspended beneath a mounting element, the waveguide has a first surface proximal to the mounting element, a second surface distal to the mounting element, and an edge between the first and the second surfaces. At least one cavity extends into the waveguide from the first surface to the second surface. A LED component is coupled to the waveguide so as to emit light into the cavity. LED support structures are also disclosed.
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公开(公告)号：US20180328553A1
公开(公告)日：2018-11-15
申请号：US15976602
申请日：2018-05-10
Applicant: CREE, INC.
Inventor： Jin Hong Lim , Kurt S. Wilcox , Boris Karpichev
CPC classification number: F21S4/28 , F21S8/04 , F21S8/06 , F21Y2103/10 , F21Y2115/10 , G02B6/002 , G02B6/0038 , G02B6/0048 , G02B6/0051 , G02B6/0055 , G02B6/0063 , G02B6/0073
Abstract: According to an aspect of the present disclosure, a waveguide comprises a waveguide body comprising an optically transmissive material and one or more extraction features disposed on a surface of the waveguide body such that the extraction features comprise a reflective material disposed on a portion of the surface of the waveguide body. Still further, in accordance with this aspect, the waveguide comprises a light source directing light into the waveguide body through a coupling cavity extending along the waveguide body wherein the light travels through the waveguide body and is redirected by the plurality of extraction features.
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Patent Agency Ranking
公开(公告)号：US09952372B2
公开(公告)日：2018-04-24
申请号：US14485609
申请日：2014-09-12
Applicant: Cree, Inc.
Inventor： Kurt S. Wilcox , Nicholas W. Medendorp, Jr. , Zongjie Yuan , Andrew Dan Bendtsen , Nathan Snell , Jeremy Sorenson , Brian Kinnune , Craig D. Raleigh
IPC: G02B6/26 , F21V8/00 , G02B6/30 , G02B6/32 , G02B6/34 , G02B6/24 , F21S8/08 , F21V21/116 , F21W131/103 , F21V29/51 , F21Y115/10 , F21Y113/13
CPC classification number: G02B6/0006 , F21S8/086 , F21V21/116 , F21V29/51 , F21W2131/103 , F21Y2113/13 , F21Y2115/10 , G02B6/0021 , G02B6/0031 , G02B6/0035 , G02B6/24 , G02B6/262 , G02B6/305 , G02B6/32 , G02B6/34
Abstract: A luminaire includes a housing, an optical waveguide disposed in the housing comprising a plurality of light coupling cavities, and a plurality of LEDs disposed in the housing adjacent the plurality of coupling cavities. A mounting apparatus is adapted to mount the luminaire on a roadway stanchion.
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公开(公告)号：US20180045875A1
公开(公告)日：2018-02-15
申请号：US15652066
申请日：2017-07-17
Applicant: Cree, Inc.
Inventor： Kurt S. Wilcox , Nicholas W. Medendorp, JR. , Zongjie Yuan , Andrew Dan Bendtsen , Nathan Snell , Jeremy Sorenson , Brian Kinnune , Craig D. Raleigh
CPC classification number: G02B6/0038 , F21V23/009 , F21W2131/10 , F21Y2115/10 , G02B6/0021 , G02B6/0031 , G02B6/0035 , G02B6/0043 , G02B6/0073 , G02B6/0075 , G02B6/0085 , G02B6/0091 , G02B6/24 , G02B6/262 , G02B6/305 , G02B6/32 , G02B6/34
Abstract: An optical waveguide comprising orthogonal x- and y-dimensions and developing an illumination distribution pattern comprising orthogonal x- and y-extents, comprising at least one coupling feature for directing light into the waveguide, at least one light redirection feature for redirecting light in an x-y plane within the waveguide, and at least one light extraction feature for extracting light out of the waveguide in an illumination pattern comprising at least one of the x- and y-extents that is offset with respect to the x- and y-dimensions, respectively. Additionally, the optical waveguide comprises optical features on at least first, second, and third sides thereof.
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公开(公告)号：US09823408B2
公开(公告)日：2017-11-21
申请号：US14866373
申请日：2015-09-25
Applicant: Cree, Inc.
Inventor： Zongjie Yuan , Kurt S. Wilcox , Eric J. Tarsa , Fabian Jean-Daniel Rol , James Ibbetson , Bernd P. Keller , Nicholas W. Medendorp, Jr.
IPC: F21V8/00 , F21K9/23 , F21K9/61 , F21Y101/00 , F21Y115/10
CPC classification number: G02B6/0046 , F21K9/23 , F21K9/61 , F21Y2101/00 , F21Y2115/10 , G02B6/0021 , G02B6/0028 , G02B6/0031 , G02B6/0035 , G02B6/0036 , G02B6/0038 , G02B6/0041 , G02B6/0043 , G02B6/0058 , G02B6/0061 , G02B6/0088 , G02B6/009
Abstract: An optical waveguide includes a body of optically transmissive material having a width substantially greater than an overall thickness thereof. The body of material has a first side, a second side opposite the first side, and a plurality of interior bores extending between the first and second sides each adapted to receive a light emitting diode. Extraction features are disposed on the second side and the extraction features direct light out of at least the first side and at least one extraction feature forms a taper disposed at an outer portion of the body.
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公开(公告)号：US09690029B2
公开(公告)日：2017-06-27
申请号：US14101086
申请日：2013-12-09
Applicant: Cree, Inc.
Inventor： Bernd P. Keller , Eric J. Tarsa , Zongjie Yuan , Kurt S. Wilcox
CPC classification number: G02B6/0021 , G02B6/0016 , G02B6/0031 , G02B6/0036 , G02B6/0068
Abstract: According to one aspect, a waveguide comprises a waveguide body further comprising a first face and a second face opposite the first face and a coupling cavity comprising an extent between the first and second faces and defined by at least one light coupling feature that extends between the first and second faces. The coupling cavity is adapted to receive a light emitting diode and the coupling cavity is noncircular and nonrectangular in a cross-section perpendicular to the extent of the coupling cavity. Further, the at least one light coupling feature comprises at least one protrusion.
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公开(公告)号：US20170168221A1
公开(公告)日：2017-06-15
申请号：US15443818
申请日：2017-02-27
Applicant: CREE, INC.
Inventor： Kurt S. Wilcox , Nicholas W. Medendorp, JR. , Brian Kinnune , Gary David Trott , Mario A. Castillo , Peter Lopez , S. Scott Pratt , Mark Dixon , William L. Dungan
CPC classification number: G02B6/0038 , F21K9/61 , F21S8/086 , F21V5/00 , F21V7/0091 , F21W2131/10 , F21W2131/103 , F21Y2101/00 , F21Y2115/10 , G02B6/0015 , G02B6/0021 , G02B6/003 , G02B6/0031 , G02B6/0035 , G02B6/0046 , G02B6/0073 , G02B6/0078 , G02B6/0083 , G02B6/0085 , G02B6/0093 , G02B6/24 , G02B6/262 , G02B6/305 , G02B6/32 , G02B6/34
Abstract: A luminaire with a plurality of optical waveguides disposed in side-by-side relationship, together at least partially defining a closed path, and a plurality of optical coupling portions disposed adjacent to the optical waveguides. Further, each optical coupling portion is associated with one of the optical waveguides, and each coupling portion includes a refractive portion and a pair of reflective portions disposed on opposite sides of the refractive portion. Additionally, at least one LED is associated with each optical coupling portion and disposed at a first end of the associated optical coupling portion.
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