tag: LEDs

Power/Performance Bits: Feb. 17
By Jesse Allen - 17 Feb, 2015 - Comments: 0

What can snails teach us about creating batteries? Evgenia Barannikova, a graduate student at University of Maryland, Baltimore County presented the current state of research in using biology to improve the properties of lithium ion batteries at the 59th annual meeting of the Biophysical Society, held Feb. 7-11 in Baltimore, Maryland. One of the inspirations for her research was the way t... » read more

Avogy: Vertical GaN Power Devices
By Mark LaPedus - 02 Feb, 2015 - Comments: 0

Gallium nitride (GaN), a binary III-V bandgap material, has been used to make LEDs for the last several years. GaN has also been touted as the next big thing in power electronics and RF. To some degree, GaN has made inroads in RF, especially in high-end defense and aerospace applications. But the technology is having mixed success in power electronics. Today’s GaN-on-silicon devices are l... » read more

Blog Review: Nov. 5
By Ed Sperling - 05 Nov, 2014 - Comments: 0

Cadence's Brian Fuller zeroes in on ISO 26262, the automotive safety standard that's supposed to guard against nightmare failures in your car. Hopefully it works. They won't protect against cyber terrorism, though. Rambus' Aharon Etengoff takes a look at the challenges of connected vehicles. Mentor's J. Van Domelen looks at NASA's increased reliance on commercial partners, which has not b... » read more

How To Lower LED Costs
By Mark LaPedus - 17 Jul, 2014 - Comments: 2

The LED market remains hot, particularly in the solid-state lighting segment. In fact, solid-state lighting continues to expand amid a precipitous drop in LED prices. And LEDs are expanding into new fronts, such as automotive and intelligent lighting. The LED boom hasn’t been fun for all parties, however. Amid pressure to reduce their tool costs, LED equipment makers are still in the mids... » read more

Power/Performance Bits: March 25
By Ann Mutschler - 25 Mar, 2014 - Comments: 0

Making flexible carbon nanotube circuits more reliable and efficient Engineers would love to create flexible electronic devices, such as e-readers that could be folded to fit into a pocket with one such approach involving designing circuits based on electronic fibers known as carbon nanotubes (CNTs) instead of rigid silicon chips -- but reliability is essential. Given that most silicon chip... » read more

Smarter Lights
By Michell Prunty - 20 Mar, 2014 - Comments: 0

New products targeting the emerging Smart Home Automation market are popping up every day. There are smart locks, smart thermostats, smart refrigerators, smart mirrors, and the list just goes on and on. Sooner or later, we, as consumers, will have to determine how all this smart technology will enter our homes. What will be the main gateway providing access to all this Smart Home Automation?... » read more

Phosphors Turn Blue LED Lights White
By Katherine Derbyshire - 18 Nov, 2013 - Comments: 0

LEDs inherently produce monochromatic light. An excited electron decays back to the ground state, releasing its energy in the form of a photon. The wavelength of this photon is defined by the band structure of the semiconductors used to make the LED. While monochromatic light is fine for indicator lights, most display and general lighting applications use white light. Not only is white light... » read more

Blog Review: Sept. 25
By Ed Sperling - 25 Sep, 2013 - Comments: 0

By Ed Sperling Mentor’s Michael Ford has replaced his dingy bathroom lights with LEDs, and now he literally can see all the stuff that needs to be fixed. Sound familiar? Synopsys’ Mick Posner pulls out the old bread and drink mnemonic for which water glass is yours at a crowded table. But what do you do when someone else gets it wrong? “Excuse me, that’s my FPGA prototyping board.�... » read more

System Bits: Sept. 17
By Ann Mutschler - 17 Sep, 2013 - Comments: 0

Multicore memory management According to MIT researchers, it may be time to let software rather than hardware manage high-speed on-chip memory caches. Traditionally, managing the caches has required fairly simple algorithms that can be hard-wired into the chips but as multiple cores in SoCs proliferate, cache management becomes much more difficult. As such, MIT’s Department of Electric... » read more

The Week In Review: Aug. 12
By Ed Sperling - 12 Aug, 2013 - Comments: 0

By Mark LaPedus Is the sky falling on semi capital spending? “We have seen several 2014 industry demand estimates in the 20%+ range, based on the ramps of FinFET and 3D NAND,” said Weston Twigg, an analyst with Pacific Crest Securities. “We expect Samsung to ramp spending in Q4, but we believe foundry and logic spending will remain soft for several quarters. As a result, we are developin... » read more

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