25 Oct '11, 4pm

Bridgelux Gets $15M More for GaN LEDs on Silicon Substrates: Last week was the 132nd birthday of the light bul...

Bridgelux Gets $15M More for GaN LEDs on Silicon Substrates: Last week was the 132nd birthday of the light bul...

Last week was the 132nd birthday of the light bulb. On October 21,1879, Thomas Edison devised a workable electric light at his laboratory in Menlo Park, N.J. This week, Bridgelux closed an additional $15 million to accelerate research and development of the firm's gallium nitride-on-silicon LED chip technologies. Funding came from VantagePoint Capital Partners, DCM, El Dorado Ventures, Novus Energy Partners, IFA, Chrysalix, Harris & Harris Group, Craton Equity Partners, Jebsen Asset Management, and Passport Capital, et al. Bridgelux is going after the lighting industry. Building a solid state lighting (SSL) firm turns out to be expensive -- Bridgelux is at the $200-million-of-VC-invested mark. Other SSL firms such as Luminus Devices have also been less than capital efficient. But going after $100 billion markets is not for the weak of heart -- or wallet. According to the B...

Full article: http://www.greentechmedia.com/articles/read/Bridgelux-Get...

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Black Silicon From Sionyx Raises PV Efficiency: A process known as black silicon can improve the infrared sens...

Black Silicon From Sionyx Raises PV Efficiency:...

greentechmedia.com 25 Oct '11, 4am

A process known as black silicon can improve the infrared sensitivity of silicon and silicon-based photonics. MIT spun-out...

Guerrilla Artist Catapults LEDs into the Air to Bring Stars Back to London

Guerrilla Artist Catapults LEDs into the Air to...

treehugger.com 24 Oct '11, 9pm

Guerrilla Artist Catapults LEDs into the Air to Bring Stars Back to London Oscar Lhermitte /via If you were in London in l...

Warning: this song will get stuck in your head

grist.org 25 Oct '11, 5pm

, but this is a pretty amazing Halloween light display done primarily with LED bulbs. Switching to LEDs can cut your holid...

How I spent my birthday

How I spent my birthday

beatricetan.com 28 Oct '11, 9am

It was my first birthday spent with hurhur, and i was asked to keep the eve and actual day free for a surprise. Exciting, ...