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Optoelectronics/Displays??

Osram Opto lights up new LEDs in market

Posted: 02 Feb 2005 ?? ?Print Version ?Bookmark and Share

Keywords:sideled? gallium nitride chip? phone? pda? handheld?

Osram Opto Semiconductors recently welcomed the New Year with a line up of new products that promise to light up a dimming display market. The Micro SideLED is an Indium Gallium Nitride chip, manufactured using thin-film technology and has an ESD protection feature in the form of an integrated diode on board.

The new LED product is 0.8mm in size and has an operating current of 20mA. The ESD diode integrated directly in the packaging allows component manufacturers to take any additional expensive and time-consuming measures; thus, allowing faster product time-to-market. Micro SideLEDs will be seen lighting up small mobile terminals such as phones, PDAs and handheld devices as well as the booming flat screen market.

Also, at the recent Photonics West 2005 exhibit at the San Jose Convention Center, the Malaysian-based LED maker has launched the newest addition to its IR family of products. The Sirilas SPL LG81 is the first product in the company's new group of laser diodes. This new laser diode array has a microchannel cooler and expends higher output power of up to 30W. Each module contains a laser bar comprising of 16 individual emitters, enabling a 20 percent smaller package than current standard solutions.

Sirilas has a "tailored" heat sink and integrated cooling ribs that provide the diode's necessary cooling treatment. The enclosed casing provides protection against dust and contact, and an integrated lens produces an almost parallel beam with vertical divergence of less than one degree.

The 30W-output power--coupled with an 808nm wavelength--pumps neodymium-doped, slide-state lasers (Nd-YAG). The modular concept of the laser diode allows other wavelengths to be used, and the manufacturing process is standardized, enabling more cost-effective laser diode production. And in contrast to conventional laser stacks, the new laser diode pump source can be replaced individually as necessary; thus, reducing maintenance and operating costs.

- Rey Buan Jr.

Electronic Engineering Times- Asia





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