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RGB-based device offers optimized control of color, brightness

Posted: 05 Jul 2005 ?? ?Print Version ?Bookmark and Share

Keywords:bivaropto? optoelectronics division? bivar? led? smlc?

Device features a 2.8-by-3.5mm footprintBivarOpto, the Optoelectronics Division of Bivar Inc., introduced a new 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.

The SMLC RGB design features an internal tri-chip circuit, employing three individually addressable LED die. 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. According to the company, 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). "The SMLC series provides an immediate solution for multi-color displays and wide area backlighting," said Anthony Vilgiate, Bivar's VP of Marketing. "Quality is assured via expanded bin coding and RoHS certification that is leading the industry for responsiveness."

Vilgiate added, "We've carefully selected the best materials coupled with new formulas such as a transparent-based (TS) AllnGaP die that enables this unit to produce a high luminous flux output for use in automotive signal lighting applications where optimal product uniformity is mandatory."

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 a compact footprint of 2.8-by-3.5mm.

The SMLC PLCC-4 device 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 assembly processes and automated insertion plant equipment. Manufactured Pb-free in compliance with WEEE and RoHS materials and process specifications, the SMLC RGB units are priced from $1.13 in production quantities.

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