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The backlight module, acting as a light source, is a key component for TFT-LCD display. Among the numerous back-light systems, the CCFL (Cold Cathode Fluorescent Lamp) is widely used for LCD-TD, especially for sizes over 26”. Even after so many years of improvements, CCFL still suffers from several major drawbacks, including low efficiency.
Since 2003, Chitec has teamed up with Candle lab in Taiwan to develop a novel back-light system which later was named the PELP (Photo-Excited Luminescent Plate) module. Chitec is responsible for developing a novel coating system which is capable of imparting good printing properties, while at the same time resisting strong UV radiation and blocking UV leakage.
The PELP module, because of its simple structure, has several significant advantages over the CCFL ( for detailed info. see the supporting document on this webpage).
PELP made its debut in Taiwan during the summer of 2006 in the Opto-electronic Show where we demonstrated a 26” concept module. Thousands of visitors were astonished by its simple structure, high contrast, and high efficiency. This is green technology at its best.
The first commercially available PELP modules were introduced by a PELP-licensee team led by KISmart/Kemmos in January, 2007. At present the 37” module is commercially available and the 47”~54” will be available in the 4th quarter of 2007.
The successful introduction of PELP technology demonstrates once again Chitec’s strong commitment to Green Chemistry.
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