Living bacteria embedded in silicone can absorb green LED light and re-emit it as red, offering a potential sustainable ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." An LED face mask that utilizes red light-emitting diodes (LED) to treat many skincare concerns with zero ...

A process developed at ETH Zurich enables the massive miniaturisation of organic light-emitting diodes (OLEDs) in only one single step. The light sources are now smaller than the wavelength of the ...

Colloidal quantum dots (QDs) exhibit exceptional properties of narrow-band emission, tunable luminescent wavelength, high luminous efficiency, and remarkable material stability across the visible and ...

GLEN CARBON — Those 40 and older may remember spending hours playing Mattel’s hand-held football game, the one full of red light-emitting diodes, or LEDs. Those red LEDs are the invention of Nick ...

A new type of OLED can generate left- or right-handed circularly polarized light from just one form of light-emitting ...