Singapore's Nanyang Technological University and Turkey's Bilkent University have developed a graded multiple quantum well (MQW) structure with the aim of increasing light output power and reducing efficiency droop in 450nm indium gallium ...
Tags: LED, LED Light, Electrical, Electronics
China's Nanjing University of Posts and Telecommunications has improved the performance of indium gallium nitride (InGaN) light-emitting diodes (LEDs) on silicon (Si) substrate by removing the substrate from the region under the device ...
Tags: Silicon wafer, Electrical, Electronics
Epistar Corp (Taiwan’s largest manufacturer of LED epiwafers and chips) is to issue 174.612 million new shares (worth NT$10 each, totalling NT$1746.12m) to acquire fellow Taiwanese LED epiwafer and chip maker Formosa Epitaxy Inc ...
Tags: LED epiwafers, LED chips
Researchers based in Singapore and Turkey have demonstrated a last quantum barrier (LQB) structure for indium gallium nitride (InGaN) light-emitting diodes (LEDs) that improves the electron blocking and hole injection of an aluminium ...
Tags: LEDs GaN InGaN MOCVD, Electrical, Electronics, LED
Taiwan's National Tsing Hua University has claimed the highest optical 3dB modulation bandwidth of ~463MHz at 50mA for a 500nm-wavelength blue-green indium gallium nitride (InGaN) LED [Chien-Lan Liao et al, IEEE Electron Device Letters, ...
Tags: blue-green LEDs, taiwan, LED, LED light, Electrical, Electronics
IBM Research's Thomas J. Watson Research Center and Northwestern University have developed a technique to grow hexagonal- and cubic-phase gallium nitride (h-/c-GaN) on standard (100) silicon (Si) [Can Bayram et al, Adv. Funct. Mater., ...
Singapore's Nanyang Technological University has developed conventional aluminium gallium nitride (AlGaN) high-electron-mobility transistors (HEMTs) with record-breaking figures-of-merit (FOMs) for frequency and breakdown performance [Kumud ...
Tags: Electrical, Electronics
Sun Yat-sen University in China has improved the wall-plug efficiency of indium gallium nitride (InGaN) light-emitting diodes (LEDs) grown on silicon by incorporating a distributed Bragg reflector (DBR) [Yibin Yang et al, Appl. Phys. ...
Tags: InGaN LEDs, Silicon, semiconductor
Researchers in France have reported on solar cell devices based on indium gallium nitride (InGaN) multiple quantum wells (MQWs) [Sirona Valdueza-Felip et al, Appl. Phys. Express, vol7, p032301, 2014]. Conversion efficiencies of up to 2% ...
Tags: Solar Cells, InGaN
Hong Kong University of Science and Technology (HKUST) is developing techniques to monolithically integrate high-electron-mobility transistors (HEMTs) and light-emitting diodes (LEDs) based on aluminium indium gallium nitride (AlInGaN) ...
Tags: Nitride Semiconductor, LEDs, LED regions
Ultra-compact yellow LED for extreme demands in headlamps The yellow Oslon Compact LED from Osram immediately opens up new design options for turn indicators in vehicle forward lighting. With package dimensions of 1.5 mm x 1.9 mm x 0.7 mm ...
Tags: LED, headlamps, vehicle forward lighting
With package dimensions of 1.5 mm x 1.9 mm x 0.7 mm the new version is so small and yet so powerful that it is ideal for use in light guide applications. This high-power LED, based on indium gallium nitride (InGaN), offers extremely ...
Tags: compact design, Plenty of light, premium automotive segment
Researchers associated with Taiwan National Central University and Epistar Corp are developing a method to transfer indium gallium nitride (InGaN) light-emitting diodes (LEDs) to ceramic aluminium nitride (AlN) substrates for high-voltage ...
Tags: InGaN LED, Ceramic Substrate
Osram Opto Semiconductors GmbH of Regensburg, Germany says that, to keep pace with constant market growth, it is switching its fabrication of red, orange and yellow light-emitting diodes to 6-inch wafers. The firm is therefore extending the ...
Tags: LED Fabrication, LED Chip
Researchers at Korea's Chonbuk National University and Korea Institute of Science and Technology have improved the contact of graphene with p-type gallium nitride (p-GaN), resulting in improved near-ultraviolet (NUV) light-emitting diodes ...
Tags: Near-ultraviolet LEDs, Graphene GaN MOCVD, Gallium Nitride