led - What is the theoretical limit of lumen/watt for lighting systems? - Electrical Engineering Stack Exchange
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Ledrise - High Performance Led Lighting Luminous Efficacy and Useful Lumens: A Comprehensive Guide to Efficient Lighting Design
Ledrise - High Performance Led Lighting Luminous Efficacy and Useful Lumens: A Comprehensive Guide to Efficient Lighting Design
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TAM ENERGY
LEDs Will Get Even More Efficient: Cree Passes 300 Lumens Per Watt
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Toward 200 Lumens per Watt of Quantum-Dot White-Light-Emitting Diodes by Reducing Reabsorption Loss | ACS Nano
LED trends: more lumens per watt
