Camas, Wash. - Sharp Microelectronics of the Americas is targeting PDAs, GPS devices, gaming, and mobile test and measurement equipment with its 3.5-inch advanced thin-film-transistor LCD module. The LQ035Q7DH01 has a brightness level of 100 cd/m2, with 262,144 colors (6 bits) and a contrast ratio of 100:1 in transmissive mode. It consumes 365 milliwatts and operates at -10 degrees C to 70 degrees C.
Including the LED backlight system, the display module is 4 mm thick and weighs about 45 grams. By eliminating an in-verter, associated electromagnetic-interference issues essentially vanish, the company said.
Reflective LCDs offer bright, high-contrast images in outdoor or other high-ambient-light conditions but need more-than-ambient illumination for indoor or other low-light conditions. An advanced TFT LCD addresses this problem by combining reflective with backlit transmissive LCD technology. For indoor or low-light conditions, the display behaves like a low-power transmissive LCD. Sharp's version maximizes the transmissivity and contrast ratio between reflective and transmissive modes and is essentially unchanged in color rendering whether viewed indoors or out, said Joel Pollack, vice president of the Display Business Unit.
"As features and functionality in handheld products have improved, display requirements have changed to include greater color performance and increased power efficiency," said Pollack. "Sharp's new 3.5-inch LCD display with 100 nits of brightness meets the needs of design engineers for a display that can vividly show graphic images and alphanumeric data under a wide range of lighting conditions, making it ideal for GPS systems, PDAs and other handheld applications."
Sharp is expanding its LCD product line to meet the expected demand for full-color displays in handheld products. According to iSuppli/Stanford Resources, the number of handheld PDAs equipped with color displays is expected to hit 72 percent by 2006.
The LQ035Q7DH01 is available now at $145 in 50-piece quantities.
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