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Optoelectronics/Displays??

Thermally enhanced RGB LED suits wide-viewing angle displays

Posted: 04 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:bivaropto? led?

BivarOpto introduces a surface mount RGB-based device for optimized control of color and brightness, including a brilliant white, packaged in a low-profile, industry standard PLCC- 4 (plastic leaded chip carrier) device with a wide 120 viewing angle.

Target applications most suited for this package include high-contrast video displays such as LCD monitors, backlighting in automotive dash clusters and exterior automotive lighting, instrument panel backlighting, navigation and switching systems, and medical instrumentation.

The SMLC RGB design features an internal tri-chip circuit, employing three individually addressable LED die. Lens appearance when off is water clear. The tri-chip RGB design is comprised of a single AllnGaP and two InGaN/SIC chip dies, featuring peak wavelengths of 625-, 568- and 430nm, respectively. The result is a programmable white or brilliant full color display that can meet specific display needs. Absolute maximum rating of forward current drive is 200mA (Peak If). Other models in the SMLC product family include single and bi-color chip available in red, green, blue and yellow, including ultra and HE colors such as 395 UV- 525nm pure green. Other color combinations are available by special order.

The PLCC-4 configuration, including a 4-pad metal heat dissipating base, measures 1.9mm high, and have a compact footprint of 2.8-by-3.5mm. The series is provided on tape and reel in quantities of 2,000 or in smaller quantities when specified to meet specific production quantity requirements. The devices also complement all surface mount device (SMD) assembly processes and automated insertion plant equipment. The devices are manufactured Pb-free in compliance with WEEE and RoHS materials and process specifications to meet the growing global emphasis on environmental responsibility. The SMLC RGB units are priced from $1.13 in production quantities.

- Henri Arnold

Electronics Express Europe

eeProductCenter




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