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LED-based Light Guides Presented As Thinnest for Portable Devices, Laptop/Desktop LCDs and Keypads/Keyboards

Wed, 10/08/2008 - 7:31am

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GLT LED-basedGlobal Lighting Technologies (GLT) has introduced LED-based high-brightness backlights that offer thinness down to 0.4 mm or less for LCDs in an array of consumer electronics products, as well as the keypads/keyboards used in mobile phones and laptop and desktop PCs. The light guides leverage the company’s MicroLens light extraction technology and improved manufacturing processes to enable backlight assemblies less than 1 mm high using light guides as thin as 0.4 mm or less to become a reality. The result is BLUs that offer the thinness of electroluminescent (EL) backlighting, but with all the characteristics of today’s advanced LEDs combined with desirable light extraction. The efficient edge-lit backlights offer thinner packages that can backlight LCDs from 0.25" up to 50" diagonal and higher. Light is extracted precisely where needed, such as around thru-holes for keypads. According to the company, MicroLens can reduce the number of LEDs required, providing bright, uniform light in a thinner form factor with no hot spots or dark areas. The reduced number of LEDs needed can also mean less material required, resulting in lower manufacturing costs.

Global Lighting Technologies
866-922-4584, www.glthome.com

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