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Gallium nitride red LEDs made by europium and magnesium codoping

Gallium nitride red LEDs made by europium and magnesium codoping

October 27, 2015: Europium (Eu) doped nitride semiconductors show potential for realization of novel optical devices, such as a low threshold lasers and single photon emitters, due to their sharp line and high efficiency emission. However, not all the Eu ions in semiconductor are incorporated in optically active sites that can be excited through the GaN host. Therefore, it is ...

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Merck to manufacture and sell silicate phosphor materials used in white LEDs

Merck to manufacture and sell silicate phosphor materials used in white LEDs

By BizLED Bureau September 23, 2015: Merck, the global pharmaceutical and chemical company, will now manufacture and sell silicate-based phosphor materials that enables generation of white light when combined with a blue emitter. This has been possible by entering into a licensing agreement with Tridonic Jennersdorf GmbH. Tridonic is now granting a material license to Merck to manufacture and market ...

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Deep UV LED with high output and continuous light emission developed

Deep UV LED with high output and continuous light emission developed

By BizLED Bureau September 16, 2015: National Institute of Information and Communications Technology (NICT) said that it has developed a deep ultraviolet (UV) LED with 265nm wavelength and with continuous light emission. It has an output of 90mW/cm2. UV LED with this high output can be used for commercial applications. The new UV LED will, hopefully, realize a portable sterilizer ...

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