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Optrex intros new passive matrix LCD
September 26, 2010
Japanese LCD designer and manufacturer Optrex Corp. and Optrex America Inc., its sales and marketing channel in the Americas, have introduced what Optrex is calling the first passive matrix LCD with Advanced Black Nematic (ABN) technology.
LCDs with ABN technology provide higher contrast ratios and wider viewing angles than conventional passive matrix displays, with true black levels, no performance shift over wide temperature ranges, and virtually no color shift, the company says.
"The passive matrix monochrome LCD market remains a significant focus for Optrex," Optrex America president and CEO Cynthia Ferrell said.
According to Optrex, conventional passive matrix displays offer limited performance, such as brightness of less than 100 cd/m2 and contrast ratio of less than 80:1, which are not acceptable for some applications. As a result, Vacuum Florescent Display (VFD) technology has been prevalent in many automotive and certain industrial applications. However, LCDs utilizing ABN technology can achieve performance equal to or better than VFD. They provide a true black level by reducing the light leakage, resulting in contrast ratios of up to 1000:1, super wide viewing angles and no performance shift over a wide temperature range. Because LCDs with ABN technology exhibit practically no color shift, any backlight color can be used without compromising the contrast ratio, the company says.
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