Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and ...

URBANA - A retired University of Illinois physicist who worked with others to invent the world's first visible LED is questioning whether his work was ignored when two Japanese and a Japanese-born ...

Schematic illustration of glass crystallization, photographs of ceramic samples treated at different temperatures under daylight and 450 nm blue light excitation showing variations in transparency and ...

The announcement followed the release of the RhodoLED XL red light-emitting lamp, to be used in combination with aminolevulinic acid hydrochloride topical gel, 10% for actinic keratoses. The ...

LONDON--(BUSINESS WIRE)--Technavio has been monitoring the light-emitting diode (LED) lighting market in North America and it is poised to grow by $ 5.12 bn during 2020-2024, progressing at a CAGR of ...

A European project known as NATAL is striving to produce high-power optically pumped semiconductor disk lasers emitting in the visible for projection applications. Mircea Guina from the ...

Light can be produced and/or controlled electronically in a number of ways. Among the widely used of all the different types of semiconductor diodes are the Light Emitting Diodes or LEDs. It is a PN ...