2009-02-09

Researchers use streamlined polarization to boost performance of LEDs

Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new polarization-matched LED. The new type of LED, developed in collaboration with Samsung Electro-Mechanics, exhibits an 18% increase in light output and a 22% increase in wall-plug efficiency, which essentially measures the amount of electricity the LED converts into 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