Emitter Module for an LED Illumination Device

    公开(公告)号:US20250155280A1

    公开(公告)日:2025-05-15

    申请号:US19026856

    申请日:2025-01-17

    Abstract: An illumination device comprises one or more emitter modules having improved thermal and electrical characteristics. According to one embodiment, each emitter module comprises a plurality of light emitting diodes (LEDs) configured for producing illumination for the illumination device, one or more photodetectors configured for detecting the illumination produced by the plurality of LEDs, a substrate upon which the plurality of LEDs and the one or more photodetectors are mounted, wherein the substrate is configured to provide a relatively high thermal impedance in the lateral direction, and a relatively low thermal impedance in the vertical direction, and a primary optics structure coupled to the substrate for encapsulating the plurality of LEDs and the one or more photodetectors within the primary optics structure.

    COLOR MIXING OPTICS FOR LED ILLUMINATION DEVICE

    公开(公告)号:US20240410548A1

    公开(公告)日:2024-12-12

    申请号:US18811914

    申请日:2024-08-22

    Abstract: Illumination devices with improved color mixing optics are disclosed herein for mixing the colors produced by a multi-colored LED emitter module to produce uniform color throughout the entire beam angle of the output light beam, along with smoother edges and improved center beam intensity. Embodiments disclosed herein include a unique arrangement of multi-color LEDs within an emitter module, a unique exit lens with different patterns of lenslets on opposing sides of the lens, and other associated optical features that thoroughly mix the different color components, and as such, provide uniform color across the output beam exiting the illumination device. Additional embodiments disclosed herein include a unique arrangement of photodetectors within the primary optics structure of the LED emitter module that ensure the optical feedback system properly measures the light produced by all similarly colored emission LEDs.

    Visible light communication system and method

    公开(公告)号:US11915581B2

    公开(公告)日:2024-02-27

    申请号:US17558678

    申请日:2021-12-22

    Abstract: A system and method are provided herein for communicating with and controlling various devices using visible light communication (VLC). According to one embodiment, a method is provided for extending a communication range of a VLC system comprising a plurality of controlled devices and a remote-control device. Such a method may include, for example, transmitting a communication message from a remote-control device to a first controlled device located within range of the remote-control device, wherein the communication message is transmitted through free space using visible light, and extending the communication range of the VLC system to a second controlled device, which is located outside of the range of the remote-control device, by using the first controlled device to retransmit the communication message through free space using visible light to the second controlled device.

    CONFIGURATION AND CONTROL OF LOAD CONTROL SYSTEMS

    公开(公告)号:US20220342373A1

    公开(公告)日:2022-10-27

    申请号:US17727413

    申请日:2022-04-22

    Abstract: The computing device may be configured to automatically determine curated configuration settings for a scene that is configured to control one or more zones. Each of the zones may be assigned a respective zone purpose. Each zone may be assigned at least one load control device that is configured to control a corresponding electrical load. Each of the one or more zones may be assigned a control type, which may be based on a respective product type and/or load type of the load control devices/electrical loads within each zone. The computing device may be configured to display one or more graphical user interfaces that a user of the computing device may interact with to select a curated configuration option for configuring the scene. The computing device may be configured to automatically determine curated configuration setting for the scene based on the selected curated configuration option and/or the zone purpose.

    Illumination Device and Method for Calibrating an Illumination Device Over Changes in Temperature, Drive Current, and Time

    公开(公告)号:US20220167479A1

    公开(公告)日:2022-05-26

    申请号:US17669976

    申请日:2022-02-11

    Abstract: An illumination device and method are provided herein for calibrating individual LEDs in the illumination device to obtain a desired luminous flux and a desired chromaticity of the device over changes in drive current, temperature, and over time as the LEDs age. The calibration method may include subjecting the illumination device to a first ambient temperature, successively applying at least three different drive currents to a first LED to produce illumination at three or more different levels of brightness, obtaining a plurality of optical measurements from the illumination produced by the first LED at each of the at least three different drive currents, obtaining a plurality of electrical measurements from the photodetector and storing results of the obtaining steps within the illumination device to calibrate the first LED at the first ambient temperature. The plurality of optical measurements may generally include luminous flux and chromaticity, the plurality of electrical measurements may generally include induced photocurrents and forward voltages, and the calibration method steps may be repeated for each LED included within the illumination device and upon subjecting the illumination device to a second ambient temperature.

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