2014-10-14

The Story Behind Shuji Nakamura's Invention of Blue LEDs

This year’s Nobel Prize in Physics was shared between three Japanese blue LED inventors Isamu Akasaki, Hiroshi Amano and Shuji Nakamura. The three inventors were recognized for their achievements in the highly energy efficient blue LED, which led to the emergence of white light.
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Cree LED, a Penguin Solutions brand (Nasdaq: PENG), today announced that it has filed a patent infringement lawsuit in the United States District Court for the Northern District of Illinois against Promier Products and Tractor Supply. The laws... READ MORE

Instrument Systems introduces the STA Stand‑Alone Screen Photometer — a modular, vehicle‑based measurement solution that combines the LumiCam 4000B imaging luminance camera with the new ACS 635 calibration source to deliver fast, high‑re... READ MORE