Miniature LEDs Miniature LEDs are some of the most common types of LED lights and can be found in an array of devices with surface-mount or through-hole designs. Miniature LED lights are used mostly as indicator ...
Tags: LED
Sophia University in Tokyo, Japan, has used nanocolumns of nitride semiconductor to produce different emission color LEDs in a single growth process for what is claimed to be the first time [Katsumi Kishino et al, Appl. Phys. Express, vol6, ...
Tags: Sophia University, LEDs, Sapphire substrates, LEd lighting
Yale University has developed techniques to release nitride semiconductor layers and transfer them to other substrates, allowing vertical current-flow light-emitting diodes (LEDs) [Yu Zhang et al, Appl. Phys. Lett., vol100, p181908, 2012]. ...
Light-emitting diodes (LEDs)—small colored lights available in any electronics store—are ubiquitous in modern society. They are the indicator lights on our stereos, automobile dashboards, and microwave ovens. Numeric displays on ...
Tags: LED, Light emitting diodes
Researchers in China have developed a low-cost, high-throughput photonic crystal (PhC) process for nitride semiconductor light-emitting diodes (LEDs) [Tongbo Wei et al, Appl. Phys. Lett., vol101, p211111, 2012]. The process used ...
Tags: Nanospheres GaN LEDs MOCVD, LEDs
Back in 1960 Electronics Weekly was born into a ferment of III-V semiconductor research that within two years would produce the first practical LED. In 1960 Dr Nick Holonyak of General Electric was developing an unusual material,GaAsP,as ...
Tags: General Electric, LED history, USA
The modern day LED was born 50 years ago this month.Jeanine Chrobak-Kando,Business Development Manager at Verbatim,describes how far the lighting technology has come in such a short time. Light-emitting diodes(LEDs)have become an ...
Tags: LED, celebrates 50th Anniversary, Jeanine Chrobak-Kando
Researchers from Japan and the USA have reported the first fabrication on hydride vapor phase epitaxy (HVPE) aluminium nitride (AlN) substrates of aluminium gallium nitride (AlGaN) light-emitting diodes (LEDs) that emit at the ...
Tags: DUV, LEDs, AlGaN, AlN substrates, HVPE, light-emitting diodes
Researchers in Korea have developed gold-doped graphene as a transparent and current-spreading electrode (TCSE) for ultraviolet (UV) light-emitting diodes (LEDs). Some of the research group from Chonbuk National University and ...
Tags: UV LED
Researchers in China have improved LED power output and droop behavior in nitride semiconductor light-emitting diodes (LEDs) by including an electron-emitting layer under the active region [Jianbao Zhang et al, Appl. Phys. Express, vol5, ...
It is 50 years since laser scientist Dr Nick Holonyak and his team of researchers at General Electric made the breakthrough with a new type of alloy that allowed them to create the first practical, visible-spectrum LED and paved the way for ...
Tags: LED Lighting
LEDs - or Light-Emitting Diodes – are semiconductors that generate narrow-spectrum light when electrically biased in the forward direction of the p-n junction. This effect is a form of electroluminescence. A single LED is often a ...
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Triangular quantum well injection boosts nitride LED efficiency by 80% The State Key Laboratory of Optoelectronic Materials and Technology of Sun Yat-sen University has reduced the forward voltages and increased the device efficiency of ...
Tags: LED
LEDs How it works A Light Emitting Diode (LED) is a semiconductor diode that emits light when an electric current is applied in the forward direction of the device. The effect is a form of electroluminescence where incoherent and ...
Researchers in Korea have been studying how to improve graphene transparent conducting layers(TCLs)using gold nanoparticle(Au-NP)decoration.The team was variously associated with Gwangju Institute of Science and Technology,Korea Basic ...