Lighting

Transient Electronics Dissolve When Triggered

An Iowa State research team led by Reza Montazami is developing "transient materials" and "transient electronics" that can quickly and completely melt away when a trigger is activated. The development could mean that one day you might be able to send out a signal to destroy a lost credit card.To demonstrate that potential, Montazami played a video showing a blue light-emitting diode mounted on a clear polymer composite base with the electrical leads embedded inside. After a drop of water, the base and wiring began to melt away. As the technology develops, Montazami sees more and more potential for the commercial application of transient materials. A medical device, once its job is done, could harmlessly melt away inside a person’s body. A military device could collect and send its data and then disappear, leaving no trace of an intelligence mission. An environmental sensor could collect climate information, then wash away in the rain. SourceAlso: Read other Electronics & Computers tech briefs.

Posted in: Electronics & Computers, Electronic Components, Electronics, Environmental Monitoring, Green Design & Manufacturing, Materials, Composites, Plastics, Medical, Lighting, LEDs, Semiconductors & ICs, Defense, News

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New Approach to Graphene Electronics

Graphene has been touted as the next silicon, but it is too conductive to be used in computer chips. A University of Manchester team led by Nobel laureates Professor Andre Geim and Professor Konstantin Novoselov has literally opened a third dimension in graphene research.

Posted in: Electronics, Power Management, Materials, Solar Power, Energy Efficiency, Renewable Energy, LEDs, News

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Welding Nanowires With Light

Electrically conductive meshes made of metal nanowires promise exceptional electrical throughput, low cost, and easy processing in applications like video displays, LEDs, and thin-film solar cells. However, in processing, these meshes must be heated or pressed to unite the crisscross pattern of nanowires that form the mesh - damaging them in the process.

Posted in: Materials, Solar Power, Energy Efficiency, Renewable Energy, Lighting, LEDs, Nanotechnology, News

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The Jan/Feb Issue of Lighting Technology is Here

Check out the newly redesigned Jan/Feb issue of Lighting Technology. Cutting-edge research news, industrial lighting application stories, feature articles, products, and new technologies for license help bring in the new year.

Posted in: Energy Efficiency, Lighting, LEDs, OLEDs, News

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Metal-Assisted Chemical Etching

University of Illinois researchers have developed a method to chemically etch patterned arrays in the semiconductor gallium arsenide - used in solar cells, lasers, light-emitting diodes (LEDs), field effect transistors (FETs), capacitors, and sensors.

Posted in: Metals, Solar Power, Renewable Energy, LEDs, Semiconductors & ICs, News

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Micro-Cavity Arrays - Lighting the Way to the Future

A research team funded by the Air Force Office of Scientific Research has pioneered the use of micro-plasmas in a revolutionary approach to illumination, and doctors Gary Eden and Sung-Jin Park of the University of Illinois, Urbana-Champaign, have founded Eden Park Illumination, Inc. to bring this new lighting technology to the world.

Posted in: Power Management, Materials, Lighting, LEDs, News

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Fully Printed Carbon Nanotube Transistor Circuits for Displays

Organic light-emitting diode (OLED)-based displays are used in cell phones, digital cameras, and other portable devices. But developing a lower-cost method for mass-producing such displays has been complicated by the difficulties of incorporating thin-film transistors that use amorphous silicon and polysilicon into the production process.

Posted in: Electronic Components, Materials, Lighting, OLEDs, News

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