Wolfspeed. has filed a patent for luminaires utilizing waveguides to dynamically change illuminance distribution patterns. The waveguide includes a light extraction component with moveable surfaces. LEDs emit light into the waveguide, allowing for alteration of illuminance patterns. GlobalData’s report on Wolfspeed gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Wolfspeed, Quantum dot devices was a key innovation area identified from patents. Wolfspeed's grant share as of January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Dynamic luminaires with waveguides for altering illuminance distribution patterns
The patent application (Publication Number: US20240027682A1) describes a luminaire that includes a waveguide body with a curved surface and a face normal to the curved surface. The luminaire also features a light extraction component with an array of light extraction elements placed over the face of the waveguide body. Additionally, the luminaire comprises a plurality of light emitting diodes (LEDs) that emit light into the curved surface of the waveguide body. These LEDs are strategically positioned with differing radial angular positions along the curved surface to steer an azimuthal component of illuminance distribution patterns of the luminaire in conjunction with the light extraction component.
This innovative luminaire design aims to enhance the illuminance distribution patterns by utilizing the unique positioning of the LEDs along the curved surface of the waveguide body. By strategically varying the radial angular positions of the LEDs, the luminaire can effectively control and steer the azimuthal component of the illuminance distribution patterns. This technology offers a promising solution for achieving customizable and efficient lighting solutions in various applications, showcasing the potential for improved lighting performance and energy efficiency in the field of luminaires.
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