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    Lighting system with curving or twisting modular housing
    2.
    发明授权
    Lighting system with curving or twisting modular housing 有权

    公开(公告)号：US11181680B1

    公开(公告)日：2021-11-23

    申请号：US16814510

    申请日：2020-03-10

    Applicant: ABL IP Holding LLC

    Inventor： Christopher J. Sorensen ,  Christopher D. Slaughter ,  Joshua J. Miller ,  Peter K. Nelson ,  Carl T. Gould ,  Zachary A. Ingalls

    IPC: F21S2/00 ,  F21S4/20 ,  F21S8/06 ,  F21Y115/10 ,  F21V8/00 ,  F21V14/02

    Abstract: A luminaire includes a housing, light-emitting diodes and a light guide. A lateral direction from a top side to a bottom side of the housing is a preferred direction. A front side of the housing forms an aperture. The light guide substantially spans the aperture. In operation, the LEDs emit light toward the preferred direction, which light enters a light coupling surface of the light guide, where it propagates and is substantially retained by total internal reflection. The light guide includes light extraction features to redirect a portion of the light out of total internal reflection, so that some of the light exits the housing through the aperture. The light extraction features redirect some of the light so that more of the light exits the aperture between a normal direction of the light guide and the preferred direction, than between the normal direction and the non-preferred direction.

    Dual output downlight fixture
    5.
    发明授权
    Dual output downlight fixture 有权

    公开(公告)号：US10415799B1

    公开(公告)日：2019-09-17

    申请号：US15392609

    申请日：2016-12-28

    Applicant: ABL IP Holding LLC

    Inventor： Douglas Grove ,  Peter K. Nelson ,  Carl T. Gould ,  Joshua J. Miller ,  Kevin F. Leadford ,  Christopher D. Slaughter ,  Christopher J. Sorensen

    IPC: F21V14/06 ,  F21V11/00 ,  F21V3/00 ,  F21S8/02 ,  F21V15/01 ,  F21Y115/10

    Abstract: A dual output downlight luminaire includes a housing that forms at least a first cavity. A partition extends from a portion of the housing and at least partially forms a boundary between the first cavity and an annular second cavity. A first light source emits a first light that is centered about an optical axis and propagates toward a first output aperture. An optic redirects the first light to form a first light beam that exits the luminaire through the first output aperture. A concentrated portion of the first light beam subtends an angle of 60 degrees or less and is centered about the optical axis. A plurality of second light sources, within the second cavity, emit a second light that exits the luminaire through an annular second output aperture. The first and second light sources are independently controllable with respect to each other.

    Light fixture using a light waveguide with compound curvature
    6.
    发明授权
    Light fixture using a light waveguide with compound curvature 有权

    公开(公告)号：US10317613B1

    公开(公告)日：2019-06-11

    申请号：US16106969

    申请日：2018-08-21

    Applicant: ABL IP HOLDING LLC

    Inventor： Christopher J. Sorensen ,  Carl T. Gould ,  David P. Ramer ,  Januk Aggarwal

    IPC: F21V8/00

    Abstract: A light fixture may include a light source and an optical element, such as a light transmissive waveguide and/or a diffuser, having a surface forming a light output surface of the light fixture. The optical element is located to receive light from the source and is configured to supply the light for illumination, via the output surface. In an example of the fixture having a waveguide, the source is coupled to supply light to at least one of the lateral surfaces of the waveguide. At least the output surface of the optical element has a three-dimensional compound curvature and a perimeter that includes two or more edges connected at vertices.

    Composite light source systems and methods
    10.
    发明授权
    Composite light source systems and methods 有权

    公开(公告)号：US10194503B2

    公开(公告)日：2019-01-29

    申请号：US14677618

    申请日：2015-04-02

    Applicant: ABL IP Holding LLC

    Inventor： Kevin F. Leadford ,  Carl T. Gould ,  Christopher J. Sorensen ,  Christopher D. Slaughter ,  Peter K. Nelson

    IPC: H05B33/08 ,  H05B37/02

    Abstract: A composite light source includes a plurality of illumination panels, that emit light of a fixed color and a variable luminous intensity. Over time, the luminous intensities of at least two of the illumination panels vary, while a combined luminous intensity of the illumination panels remains about constant. Another composite light source includes a plurality of illumination panels that emit light. Each illumination panel of at least a first subset of the plurality of illumination panels emits the light with a first luminous intensity, and each illumination panel of at least a second subset of the plurality of illumination panels emits the light with a second luminous intensity that is different from the first luminous intensity.

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