2009-03-11

Oxford Instruments - TDI unites LED maker develop semi-polar GaN

Group III-nitride materials have been widely used for visible and ultraviolet LEDs and blue, violet laser diodes in the past decade. Most of these optoelectronic devices are typically fabricated on the conventional polar (0001) c-plane oriented substrate materials. Devices grown on the polar substrate orientation suffer undesirable spontaneous and piezoelectric polarization resulting in significant band bending in the quantum well. This reduces radiative recombination efficiency and lowers device performance.
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ams OSRAM is launching two new variants of the SIRIUS HRI® series for entertainment lighting. The compact Galaxy 250 and 20D short-arc HID lamps combine exceptional brightness, longer service life, and outstanding performance. Precise 2&de... READ MORE

Following the successful launch of the NIGHT BREAKER LED SMART ECE H11 for headlights, ams OSRAM (SIX: AMS) is continuing its series of innovative LED retrofit solutions. In addition to the new NIGHT BREAKER LED C5W ECE, the first ECE R37-appr... READ MORE