Ultraviolet light emitting diodes (UV-LEDs) have rapidly evolved as a promising alternative to conventional mercury-based UV lamps in water disinfection systems. Their compact size, reduced energy ...

Researchers successfully conducted a room-temperature continuous-wave lasing of a deep-ultraviolet laser diode (wavelengths down to the UV-C region). A research group led by 2014 Nobel laureate ...

UV light-emitting diodes (LEDs) with wavelengths less than 300 nm offer a wide range of possible uses, including air, freshwater, and surface sanitation, medical diagnostics and treatment, radiation ...

Development led by 2014 Nobel laureate Hiroshi Amano at Institute of Materials & Systems for Sustainability. Nagoya group achieved room-temperature CW lasing of a deep-UV laser diode. A research group ...

This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern electronics. LEDs ...

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 ...

This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern lighting and electronic displays. LEDs convert electrical energy into light through the movement of ...

A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, ...

A long metal box hooked to a jumble of hoses, gauges, and measuring instruments sits in a laboratory at the University of Copenhagen’s Chemistry Department. Inside, at one end, ultraviolet ...

In a study published in Nature, Prof. XIAO Zhengguo’s team from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences has proposed a novel strategy based on ...