Can silicon come to the rescue for Blu-ray?

Shimei Semiconductor has developed a blue LED grown on a silicon substrate.

The Blu-ray people face a big problem: those blue lasers are a pain to make.

Shimei Semiconductor

Shimei Semiconductor has developed a blue LED grown on a silicon substrate, according to EE Times. Now, blue LEDs are grown on a sapphire substrate.

The prototype LED emits 450-nanometer wavelength blue light.

Shimei says it plans to start popping samples out for manufacturers in April. It is preparing production lines capable of churning out three million of these a month. Shimei will also examine the possibility of producing red and green LEDs with their technology.

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Man flies 54-propeller superdrone, almost flips it, Ep. 217

This week on Crave, we walk you through a futuristic new automated restaurant in San Francisco, get navigation directions from the sultry voice of Stephen Colbert on Waze, and fly a drone with 54 propellers that can carry a full-grown man. It's the Crave show!

by Stephen Beacham