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Advanced Imaging Magazine

Updated: January 12th, 2011 09:49 AM CDT

NEC Electronics America Expands Lineup of Displays for Medical Imaging

The new color display modules represent the first application of NEC LCD Technology
21.3-inch amorphous-silicon thin-film transistor
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NEC Electronics America, Inc. (Santa Clara, Calif.) introduces two new 21.3-inch (54-centimeters diagonal) amorphous-silicon thin-film transistor (TFT) liquid-crystal display (LCD) modules for medical imaging applications. The new color display modules represent the first application of NEC LCD Technologies' proprietary ultra-advanced, super-fine TFT (UA-SFT) display technology in a 21.3-inch LCD. Combined with NEC LCD Technologies' newly designed high-intensity direct-backlight system, the modules achieve very high luminance levels, high contrast ratios, high brightness uniformity and ultra-wide viewing angles. The new LCD modules deliver high luminance levels for their respective resolutions. The NL160120AC27-20 module features ultra-extended graphics array (UXGA) resolution and a brightness level of 950 candelas per square meter (cd/mē), while the NL204153AC21-09 module has higher-density quad-extended graphics array (QXGA) resolution and a brightness level of 800 cd/m.With UA-SFT technology, the new modules achieve a 20 percent improvement in light transmittance compared to modules based on super-advanced, super-fine TFT (SA-SFT) technology. Both modules also support monochrome image interpretation as a result of their precise reproduction of grayscale images.Enhanced panel design combined with UA-SFT technology help prevent light leakage and image and color distortion, thereby improving viewability of the display from almost any angle. As a result, the NL160120AC27-20 and NL204153AC21-09 modules achieve high contrast ratios of 800:1 and 750:1, respectively. The panel design also inhibits the "washed-out black" phenomenon that occurs when the viewing angle is enlarged-a common issue with in-plane switching-type LCD modules. www.am.necel.com/display



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