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Updated: July 8th, 2008 05:26 PM CDT

Advances in Solid-State Lighting Promise Higher Energy Efficiency and Greater Design Flexibility

PR Newswire
via NewsEdge Corporation

PALO ALTO, Calif., March 1 /PRNewswire/ -- Considering the growing importance of energy savings and environmental friendliness, solid-state lighting is emerging as a highly competent and viable alternative to existing lighting technologies. While light emitting diodes (LEDs) promise numerous advantages such as higher energy efficiency, longer life and reliability, as well as low temperature performance, customer requirements for innovative solutions that provide better control over the color, shape and intensity of light is driving the demand for organic light emitting diodes (OLEDs) as light sources.

If you are interested in an analysis, which provides manufacturers, end users, and other industry participants with an overview, summary, challenges, and latest coverage of Emerging Lighting Systems - A Technology Analysis send an e-mail to Trisha Bradley, Corporate Communications, at , with your full name, company name, title, telephone number, fax number, and e-mail address. Upon receipt of the above information, an overview will be sent to you by e-mail.

The energy savings provided by the use of LEDs has attracted a lot of government-aided funding and has initiated a race between countries to establish solid-state lighting. Europe, America, Japan, China and South Korea have government initiatives such as the Next-generation Lighting Initiative (NGLI) and 'Light for the 21st Century,' sparking innovations and speeding up R&D in the field of solid-state lighting.

"However, despite LEDs having surpassed the efficiency of incandescent lamps, their biggest challenge lies in outperforming the efficiency of fluorescent lamps, which at present is greater than ninety lumens per watt," notes Technical Insights ( ) Research Analyst Ashwini Meena. "Further, White LEDs have to improve their color uniformity and surface brightness as well as increasing their efficiency while maintaining the quality of the white light produced."

With respect to OLEDs, industry participants need to overcome key challenges such as outcoupling and sensitivity issues in order to increase the light output. Since increasing light output is dependent on the device technology and the chemistry of materials involved, the challenge lies in making the lifetime of the generated photon's last nano or microseconds resulting in optimal device output.

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