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RGB LED backlights target handheld devices

Posted: 25 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Gina Roos?

RGB LED backlights for COG LCDs

Displaytech Ltd offers a series of RGB LED backlights for its chip-on-glass (COG) LCDs with composite red, green and blue LEDs. The three colors can be used individually or in combination to create violet, yellow, turquoise, and white background colors.

The RGB backlights operate at 3.2V, drawing between 60mA and 120mA, which make them suitable for handheld devices. The wavelengths of the LED colors are 635nm for red, 525nm for green, and 470nm for blue. Standard RGB backlights are available for graphics modules with dot matrices of 128 x 32, 128 x 64, 240 x 64, and 240 x 128. Custom designs can be tooled per customer specifications.

Pricing for a 128 x 64 backlight in combination with the Displaytech S64128COG is $10.49 for 1,000 pieces. Displaytech products are sold in the U.S. through SEAComp Inc.

- Gina Roos

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