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News From Solid State Lighting Design

Quantum Materials Corp. Achieves 99.5% Quantum Efficiency with Pure Red Quantum Dots; Surpasses 1000 Hours of Continuous-On Operation

American Quantum Dot producer Quantum Materials Corp of San Marcus, Texas reported that it achieved 99.5% quantum yield efficiency for its pure red (630 nm emission peak) cadmium-free 
quantum dots. The company also reported that its cadmium-free quantum dots reached 1000 hours of continuously-on operation in a remote LED application. [caption…

Light Polymers Licenses Patents from Cree to Use in its Soon-to-Launch, High-CRI Downlights

Light Polymers of San Francisco, California announced a patent license-agreement with Cree, a maker of lighting-class LEDs and LED Lighting based in Durham, North Carolina. Under the terms of the agreement, Cree has granted Light Polymers a royalty-bearing, non-exclusive patent license to use certain Cree patents for particular LED luminaires.…

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Sensor Feedback May Be the Answer to LED Degradation and Color Shift Over Time
LEDs gradually fade in intensity, and they also shift in color over time. How quickly their brightness declines and their color shifts depends on the LEDs and their operating environment. The…
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Sansi North America Displays Supplies Custom Display Solution for Athletic Apparel Brand Headquarters

Sansi North America (SNA) Displays, a maker of custom LED displays and lighting solutions, recently finished installing a series of interior LED video displays for the US headquarters of the world’s largest athletic apparel brand (not specifically named, but probably NIKE). The unique project features 13 LED displays suspended from …

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