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24 条记录 (耗时 0.021 秒)

    Lighting device with active thermal management
    1.
    发明授权
    Lighting device with active thermal management 有权

    公开(公告)号：US10342094B1

    公开(公告)日：2019-07-02

    申请号：US15846306

    申请日：2017-12-19

    申请人： Cree, Inc.

    发明人： Corey Goldstein ,  Kurt Wilcox

    IPC分类号： H05B37/02 ,  H05B33/08 ,  F21K9/61

    摘要： A LED lighting device includes a temperature sensitive component having a temperature limit. A driver controls current delivered to the at least one LED and includes a temperature sensor for determining a temperature of the driver. A controller stores a correlated temperature limit of the driver, the controller controls the driver to reduce the current delivered to the LEDs when the correlated temperature limit is reached. The correlated temperature limit is the temperature of the driver when the temperature of the temperature sensitive component reaches its temperature limit.

    LED lens
    2.
    发明授权
    LED lens 有权
    LED透镜

    公开(公告)号：US09410674B2

    公开(公告)日：2016-08-09

    申请号：US14462312

    申请日：2014-08-18

    申请人： Cree, Inc.

    发明人： Corey Goldstein ,  Kurt Wilcox

    IPC分类号： F21V3/00 ,  F21V5/00 ,  F21V7/00 ,  F21V5/04 ,  F21V5/08 ,  H01L25/075 ,  G02B19/00 ,  F21W131/103 ,  F21Y101/02

    CPC分类号： F21V7/0091 ,  F21V5/04 ,  F21V5/08 ,  F21W2131/103 ,  F21Y2115/10 ,  G02B19/0014 ,  G02B19/0061 ,  H01L25/075 ,  H01L25/0753 ,  H01L33/58 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A lens for primarily forward distribution of light from a light emitter which has an emitter axis in a front-to-back centerplane. The lens has a base surface which is adjacent the emitter and forms a light-entrance opening, an inner surface which defines a light-receiving cavity and includes front and back regions extending from the light-entrance opening, and an outer surface which has front and back regions adjoined by a middle region. The back region includes a back portion configured for forward total internal reflection (TIR) of rearward light received from the inner surface. The back portion extends transverse to the front-to-back centerplane away from the base surface from positions which are closer to the base surface than the innermost cavity region and terminates with a distal end which is closer to the base surface than outermost positions of the front region. The back portion terminates laterally at positions closer to the front-to-back centerplane than lateral edges of the light-entrance opening and, in the front-to-back centerplane, the emitter axis is no farther from the back portion of the outer surface than from a back edge of the light-entrance opening.

    摘要翻译： 用于主要从发射器向前分配光的透镜，其具有在前后中心平面中的发射体轴线。 透镜具有与发射体相邻的基面，形成光入口，内表面形成受光腔，其内表面包括从入射口延伸出的前后区域和具有正面的外表面 以及由中间区域相邻的后部区域。 后部区域包括配置用于从内表面接收的向后光的前向全内反射（TIR）的后部。 后部部分横向于前后中心平面从基部表面远离比最内腔区域更靠近基座表面的位置延伸，并且终端具有远离基底表面的远端，而不是位于 前区 后部部分在靠近前后中心平面的位置处终止于光入口的横向边缘，并且在前后中心平面中，发射器轴不远离外表面的后部 而不是从光入口的后边缘。

    LED Lens
    3.
    发明申请
    LED Lens 有权
    LED透镜

    公开(公告)号：US20150192267A1

    公开(公告)日：2015-07-09

    申请号：US14147268

    申请日：2014-01-03

    申请人： Cree, Inc.

    发明人： Corey Goldstein

    IPC分类号： F21V5/04 ,  F21K99/00

    CPC分类号： F21V5/04 ,  F21V5/08 ,  F21V7/0091 ,  F21Y2101/00 ,  F21Y2105/10 ,  F21Y2113/13 ,  F21Y2115/10 ,  G02B3/00 ,  G02B19/0061 ,  H01L33/58

    摘要： A lens for distribution of light from a light emitter having an emitter axis. The lens includes an outer surface and a total internal reflection (TIR) surface positioned outwardly of and around the emitter such that light received by the TIR surface is totally internally reflected toward the outer surface. The TIR surface has at least one recessed region extending away from the light emitter, thereby to increase amount of TIR and facilitate lateral diffusion of highest-intensity light in the middle of the light distribution. The lens may further include a base surface adjacent the emitter and an inner surface defining an inner cavity about the emitter axis. In such embodiments, the TIR is positioned and configured for total internal reflection of light received from the inner surface.

    摘要翻译： 用于从具有发射器轴的发光体分配光的透镜。 透镜包括位于发射器外部和周围的外表面和全内反射（TIR）表面，使得由TIR表面接收的光全部内反射到外表面。 TIR表面具有至少一个从光发射器延伸的凹陷区域，从而增加TIR的量，并促进在光分布中间最高强度的光的横向扩散。 透镜还可以包括邻近发射器的基表面和围绕发射器轴线限定内腔的内表面。 在这种实施例中，TIR被定位和配置用于从内表面接收的光的全内反射。

    LED lens
    6.
    发明授权
    LED lens 有权
    LED透镜

    公开(公告)号：US09523479B2

    公开(公告)日：2016-12-20

    申请号：US14147268

    申请日：2014-01-03

    申请人： Cree, Inc.

    发明人： Corey Goldstein

    IPC分类号： F21V5/00 ,  F21V5/04 ,  F21V7/00 ,  G02B3/00 ,  F21V5/08 ,  H01L33/58 ,  F21Y101/00

    CPC分类号： F21V5/04 ,  F21V5/08 ,  F21V7/0091 ,  F21Y2101/00 ,  F21Y2105/10 ,  F21Y2113/13 ,  F21Y2115/10 ,  G02B3/00 ,  G02B19/0061 ,  H01L33/58

    摘要： A lens for distribution of light from a light emitter having an emitter axis. The lens includes an outer surface and a total internal reflection (TIR) surface positioned outwardly of and around the emitter such that light received by the TIR surface is totally internally reflected toward the outer surface. The TIR surface has at least one recessed region extending away from the light emitter, thereby to increase amount of TIR and facilitate lateral diffusion of highest-intensity light in the middle of the light distribution. The lens may further include a base surface adjacent the emitter and an inner surface defining an inner cavity about the emitter axis. In such embodiments, the TIR is positioned and configured for total internal reflection of light received from the inner surface.

    摘要翻译： 用于从具有发射器轴的发光体分配光的透镜。 透镜包括位于发射器外部和周围的外表面和全内反射（TIR）表面，使得由TIR表面接收的光全部内反射到外表面。 TIR表面具有至少一个从光发射器延伸的凹陷区域，从而增加TIR的量，并促进在光分布中间最高强度的光的横向扩散。 透镜还可以包括邻近发射器的基表面和围绕发射器轴线限定内腔的内表面。 在这种实施例中，TIR被定位和配置用于从内表面接收的光的全内反射。

    Lens with Controlled Light Refraction
    8.
    发明申请
    Lens with Controlled Light Refraction 有权
    镜头具有受控光折射

    公开(公告)号：US20140126206A1

    公开(公告)日：2014-05-08

    申请号：US14155061

    申请日：2014-01-14

    申请人： Cree, Inc.

    发明人： Kurt S. Wilcox ,  Craig Raleigh ,  Corey Goldstein

    IPC分类号： F21V5/00 ,  F21K99/00

    CPC分类号： F21K9/60 ,  F21V5/00 ,  G02B19/0028 ,  G02B19/0061

    摘要： A lens for distribution of light from a light emitter having an emitter axis. The lens includes an inner surface defining an inner cavity and including a substantially cross-sectionally convex inner region along an open end of the inner cavity and a substantially cross-sectionally linear inner region joining the substantially cross-sectionally convex inner region and extending therefrom toward the emitter axis. The convex region is configured for refracting emitter light rays toward the emitter axis. The lens further includes an outer surface receiving the light from each of the inner regions. A lens flange surrounds the lens and has an outer flange surface extending radially outwardly from the lens outer surface at positions axially spaced from the light emitter. The convex inner region is configured to refract emitter light to the outer surface such that the outer flange surface is substantially free from receiving any emitter light.

    摘要翻译： 用于从具有发射器轴的发光体分配光的透镜。 透镜包括限定内腔的内表面，并且包括沿着内腔的开口端的基本上横截面的内部区域和基本上横截面线性的内部区域，该内部区域连接基本上横截面的内部区域并从其向外延伸 发射极轴。 凸区域被配置为将发射光线朝向发射体轴线折射。 透镜还包括接收来自每个内部区域的光的外表面。 透镜法兰围绕透镜并且具有从透镜外表面在与光发射器轴向间隔开的位置处径向向外延伸的外凸缘表面。 凸内区域被配置为将发射光折射到外表面，使得外凸缘表面基本上不接收任何发射器光。

    Lens with controlled light refraction
    9.
    发明授权
    Lens with controlled light refraction 有权

    公开(公告)号：US10119662B2

    公开(公告)日：2018-11-06

    申请号：US15236612

    申请日：2016-08-15

    申请人： Cree, Inc.

    发明人： Kurt S. Wilcox ,  Craig Raleigh ,  Corey Goldstein

    IPC分类号： F21K9/69 ,  F21V5/04 ,  F21V5/00 ,  F21V7/00 ,  G02B19/00 ,  F21Y115/10 ,  G02B3/00

    摘要： A lens for distribution of light from a light emitter having an emitter axis. The lens including an outer surface receiving light from the inner surface which defines an inner cavity and includes an axial inner-surface portion of a conical shape formed by a substantially cross-sectionally linear inner region extending outwardly from positions at the emitter axis toward an open end of the inner cavity. An LED light fixture comprising a mounting structure supporting a plurality of spaced LED light sources with a plurality of the lenses each in alignment with a corresponding one of the light sources.