Sentences with phrase «on gallium nitride»

Meanwhile General Electric, Philips and Siemens are all trying, along with R&D partners, to build solid - state lighting based on gallium nitride LEDs.

He was set to sign with the company, but a professor at one of the universities that was courting him advised that if he took an industrial job, Nichiawhich held the patents on all his gallium nitride breakthroughswould sue him the moment he did anything even remotely related.

Not exact matches

Returning to Nichia in March 1989 to begin work on blue - light devices, he had to choose between the two main semiconductors then being developed: zinc selenide and gallium nitride.

The scientists first grew carpets of microscopic wires of gallium nitride, a light - emitting crystalline material, on an ultrathin mesh of graphene, which is a layer of carbon atoms that is flexible, conductive and tough.

Nanowires for LEDs are made up of an inner core of gallium nitride (GaN) and a layer of indium - gallium - nitride (InGaN) on the outside, both of which are semiconducting materials.

At the International Symposium on Low Power Electronics and Design in August, Gao, Peh, and lead author Pilsoon Choi, a postdoc in Peh's group, together with researchers at Nanyang Technological University in Singapore, presented a paper demonstrating that an 802.11 p radio built from gallium nitride and controlled by silicon electronics would consume half the power that existing radios do.

Conventionally, such LEDs require gallium nitride to be placed on a substrate of sapphire, with a separate reflector to direct the light.

In the study, the researchers found that the gallium - nitride nanowire growth orientation strongly depended on the relative concentration of nickel and gold within the catalyst.

But it's possible to use indium arsenide, gallium arsenide, gallium nitride or other so - called III - V materials from group III and group V. Being from different groups on the periodic table means transistor materials would have different properties, and the big one here is better electron mobility.

He was a research scientist for 10 years at Bell Labs, working on nontrivial topics such as Molecular Beam Epitaxy, high - temperature superconductors, gallium nitride and — here's where we come in — electronic publishing.