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LED package delivers high luminance, wide viewing angle

Posted: 14 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:SMT LED package? full color RGB LED? energy efficient design?

Rohm's PicoLED-eco SML-P11 series

TT electronics Optek Technology has developed a full color SMT LED package that offers high luminance, a long operating lifespan and wide viewing angle. The OVSPRGBCR4 device was designed specifically for high current drive. Each color can be independently controlled for high output from each individual chip, as well as programmed for color mixing to achieve all the colors of the rainbow plus white.

According to Richard Saffa, vice president of Optek Technology's visible LED business unit, the specifications of the device make it suitable for specialized applications.

"The OVSPRGBCR4 LED package was designed with a high flux output, low thermal resistance and ultralow profile," said Saffa. "The energy-efficient design, along with the RGB color-capabilities, high CRI rating and full 130 viewing angle, make it ideal for a variety of lighting applications, including entertainment lighting, "mood" lighting in automotive, airplane and elevator cabins, retail product illumination, architectural accents and conventional lighting."

Additional applications for the RGB LED package include automotive interior and exterior lighting, architectural indoor and outdoor lighting, LED backlighting and general illumination.

The RGB LED package is composed of a red, green and blue LED with water clear lenses mounted on the top of the device. Typical luminous flux for the red, green and blue LEDs is 21 lumens, 32 lumens and 7.5 lumens, with a typical on-axis intensity of 7cd, 11cd and 2.8cd, respectively.

DC forward current is 250mA per color, with peak pulsed forward current of 500mA plus a thermal resistance of 20K/W. Maximum rated junction temperature is 125C and the operating temperature range is -40C to 100C. Optek also offers optional optics to suit specific applications. The OVSPRGBCR4 LED package measures 6-by-6-by-1.5mm.

Typical pricing for the OVSPRGBCR4 full-color power LED package starts at $4 each in quantities of 10,000. Production quantity lead times, if stock is not available, are from 7 to 9 weeks.

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