An upconversion organic light-emitting diode (OLED) based on a typical blue-fluorescence emitter achieves emission at an ultralow turn-on voltage of 1.47 V. The technology circumvents the traditional ...
Projecting three-dimensional images directly from a smartphone, without bulky headsets or projectors, could soon become ...
To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...
LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...
Light emitting diode demonstration box, 1996. Paper label on front: "InGaN SQW LED / UCSB MOCVD Lab" [Indium Gallium Nitride [SQW] Light Emitting Diode / University of California Santa Barbara Metal ...
At-home LED devices, particularly those that combine red and blue light, are efficacious for acne and can likely complement other over-the-counter and prescription treatments. HealthDay News — At-home ...