Hacker News with Generative AI: LEDs

LED's Efficiency Exceeds 100% (2012) (phys.org)
For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes.
LEDs, Physics, Efficiency, Energy
42 points by thunderbong 13 days ago | 34 comments
Next generation LEDs are cheap and sustainable (liu.se)
Cost, technical performance and environmental impact – these are the three most important aspects for a new type of LED technology to have a broad commercial impact on society. This has been demonstrated by researchers at Linköping University in a study published in Nature Sustainability.
LEDs, Sustainability, Technology, Research, Environment
172 points by geox 17 days ago | 152 comments
Homemade Copper Oxide Thermoelectric Generator Can Light an LED (2011) (sparkbangbuzz.com)
Just 16 copper oxide junctions can produce enough voltage to light an LED.
DIY, Thermoelectrics, Electronics, Energy, LEDs
3 points by teuobk 57 days ago | 0 comments
A driver for controlling RGB LEDs using PWM, with gamma correction (crates.io)
Hardware, Programming, LEDs, Gamma Correction
9 points by tracyspacy 109 days ago | 3 comments