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公开(公告)号：US20180259140A1
公开(公告)日：2018-09-13
申请号：US15972178
申请日：2018-05-06
Applicant: Cree, Inc.
Inventor： Bernd P. Keller , Theodore D. Lowes , Michael Leung , Benjamin A. Jacobson , Eric Tarsa , James Ibbetson , Claudio Girotto
CPC classification number: F21S8/006 , F21S8/026 , F21V23/003 , F21Y2101/00 , F21Y2105/00 , F21Y2105/10 , F21Y2105/16 , F21Y2113/13 , F21Y2115/10 , H05B33/086 , H05B33/0872 , H05B37/0218 , H05B37/0272 , H05B37/0281
Abstract: A lighting fixture appears as a skylight and is referred to as a skylight fixture. The skylight fixture has a sky-resembling assembly and a plurality of sun-resembling assemblies. The sky-resembling assembly has a sky-resembling optical assembly and a sky-specific light source, wherein light from the sky-specific light source exits a planar interior surface of the sky-resembling light optical assembly as skylight light. The plurality of sun-resembling assemblies are arranged adjacent one another and extend downward from a periphery of the sky-resembling assembly. Each of the plurality of sun-resembling assemblies has a sun-resembling optical assembly and a sun-specific light source, wherein light from the sun-specific light source exits a planar interior surface of the sun-resembling optical assembly as sunlight light.
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公开(公告)号：US10416377B2
公开(公告)日：2019-09-17
申请号：US15450578
申请日：2017-03-06
Applicant: Cree, Inc.
Inventor： Claudio Girotto , Eric Tarsa , Nathan Ray Snell , James Ibbetson , Mark Youmans , Theodore D. Lowes , Bernd Keller , Ethan Creasman , Randall Levy Bernard , William L. Dungan
Abstract: A luminaire includes a first waveguide having a first primary light emitting surface directed in a first direction and a first secondary light emitting surface directed in a second direction. A second waveguide having a second primary light emitting surface directed in the second direction and a second secondary light emitting surface directed in the first direction. A first plurality of LEDs are optically coupled to the first waveguide and a second plurality of LEDs are optically coupled to the second waveguide. The first and second waveguides are independently operable. The first and second plurality of LEDs may comprise LED groups where each of the LED groups are independently controllable. The light emission pattern and light properties of the emitted light are controllable.
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公开(公告)号：US20180252374A1
公开(公告)日：2018-09-06
申请号：US15972176
申请日：2018-05-06
Applicant: Cree, Inc.
Inventor： Bernd P. Keller , Theodore D. Lowes , Michael Leung , Benjamin A. Jacobson , Eric Tarsa , James Ibbetson , Claudio Girotto
CPC classification number: F21S8/006 , F21S8/026 , F21S19/005 , F21V23/003 , F21Y2101/00 , F21Y2105/16 , F21Y2113/13 , F21Y2115/10 , H05B33/086 , H05B33/0872
Abstract: A lighting fixture appears as a skylight and is referred to as a skylight fixture. The skylight fixture has a sky-resembling assembly and a plurality of sun-resembling assemblies. The sky-resembling assembly has a sky-resembling optical assembly and a sky-specific light source, wherein light from the sky-specific light source exits a planar interior surface of the sky-resembling light optical assembly as skylight light. The plurality of sun-resembling assemblies are arranged adjacent one another and extend downward from a periphery of the sky-resembling assembly. Each of the plurality of sun-resembling assemblies has a sun-resembling optical assembly and a sun-specific light source, wherein light from the sun-specific light source exits a planar interior surface of the sun-resembling optical assembly as sunlight light.
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公开(公告)号：US20170322364A1
公开(公告)日：2017-11-09
申请号：US15450578
申请日：2017-03-06
Applicant: Cree, Inc.
Inventor： Claudio Girotto , Eric Tarsa , Nathan Ray Snell , James Ibbetson , Mark Youmans , Theodore D. Lowes , Bernd Keller , Ethan Creasman , Randall Levy Bernard , William L. Dungan
IPC: F21V8/00 , F21V23/04 , F21Y2115/10
CPC classification number: G02B6/12004 , F21S6/005 , F21V23/0435 , F21V23/0464 , F21V23/0471 , F21V23/0485 , F21Y2115/10 , G02B6/0045 , G02B6/0063 , G02B6/0068 , G02B6/0073 , G02B6/0076 , G02B6/0078 , G02B6/0088 , G02B6/122 , G02B2006/12083
Abstract: A luminaire includes a first waveguide having a first primary light emitting surface directed in a first direction and a first secondary light emitting surface directed in a second direction. A second waveguide having a second primary light emitting surface directed in the second direction and a second secondary light emitting surface directed in the first direction. A first plurality of LEDs are optically coupled to the first waveguide and a second plurality of LEDs are optically coupled to the second waveguide. The first and second waveguides are independently operable. The first and second plurality of LEDs may comprise LED groups where each of the LED groups are independently controllable. The light emission pattern and light properties of the emitted light are controllable
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