Ich habe eine Antwort von NEC/Mitsubishi bekommen. Es handelt sich hier aber lediglich um die Pressemitteilung aus dem Jahre 2001. Ich habe nochmal nachgefragt wie es denn nun mit konkreten Produkten aussieht. Hier nun die Pressemitteilung in Englisch:
Mitsubishi Electric's New ANGLEVIEW® FFD™ Technology Improves
Image Quality While Reducing Development Costs
Intra-Grayscale Response Accelerated to Faster Than 20 ms
Society for Information Display 2001 — SAN JOSE, Calif. — June 4, 2001 — The Electronic Device Group of Mitsubishi Electric & Electronics USA, Inc. introduced a new fast response 15-inch thin film transistor (TFT) liquid crystal display (LCD) module, with its new Feed Forward Driving™ (FFD™) technology being the centerpiece of the panel. The AngleView® display, designed in conventional twisted nematic (TN) mode, offers faster display response time, high brightness, high color saturation and a wide viewing angle, making a breakthrough in the clarity of motion video and scrolling text. The new panel is ideal for multimedia and LCD television applications.
Before the introduction of FFD technology, manufacturers of TFT-LCDs had attempted to attain these levels of performance by developing new liquid crystal (LC) materials or exotic cell structures. This development process is costly and often has low yields, resulting in a more expensive end product. There are also tradeoffs with new LC materials, whereby cell response may be improved at the expense of contrast ratio or grayscale resolution. FFD technology is used with familiar, high-yield, TN mode TFT-LCD technology, thereby improving response time while maintaining a high contrast ratio and 8-bit grayscale resolution.
Traditionally, LCD response time has been defined as the length of time required to go from a black image to a white image plus the time to go from a white image to a black image. Most modern TFT-LCDs can accomplish this in 25 milliseconds (ms) to 45 ms. Unfortunately, this is the best-case scenario for a TFT-LCD, with intra-grayscale response time actually exceeding 84 ms. This is highlighted in the TFT-LCD response time chart shown in Figure 1. Although the new FFD technology has little effect on black/white transitions, the intra-grayscale response time improves significantly. Typical response time is less than 20 ms and many transitions are less than 10 ms, as highlighted in the TFT-LCD response time with FFD chart shown in Figure 2.
The FFD technology, incorporated in an application-specific integrated circuit, contains a frame memory and a lookup table. This combination accelerates the frame-to-frame process by calculating and then applying the necessary voltage overshoot. The result is reduced cell response time (shown in Figure 2) and greater visual quality of motion video.
“Feed Forward Driving technology’s dramatically improved intra-grayscale response time means fast-changing images remain crystal clear,” said Dale H. Maunu, director of flat-panel display products at Mitsubishi Electric & Electronics USA, Inc. “This is good news for users of multimedia applications and LCD television who demand panels that offer improvements over CRT quality. We are advancing the picture quality of our displays to these levels at a fraction of the cost normally required take to develop new LC material or structures. Overall, this gives us a strong competitive advantage in the flat-panel display market.”
The AA150XB04 display is the first in the industry to use FFD technology. The display will be demonstrated by Mitsubishi Electric in booth number 1220 at the Society for Information Display 2001 Exhibition (SID 2001). The Exhibition will be held at San Jose McEnery Convention Center in San Jose, California on June 3-8, 2001.
Availability
Mitsubishi Electric’s AA150XB04 AngleView panel, with FFD technology, will sample in the third quarter, with volume production scheduled for the fourth quarter of 2001.
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About Mitsubishi Electric & Electronics USA, Inc.
Mitsubishi Electric Corporation’s leading-edge display technology includes its AngleView® line of color, flat-panel display modules, using its advanced thin-film-transistor, liquid crystal display technology. Mitsubishi Electric’s AngleView display technology is ideally suited to the medical, industrial, and instrumentation markets with dual field-replaceable backlights, worldwide warranty service, backward mechanical compatibility, and multi-year production lifecycles. Mitsubishi Electric markets its flat-panel display modules in North America through the Electronic Device Group of Mitsubishi Electric & Electronics USA, Inc. For more information, please visit
Trademark Information
AngleView is a registered trademark and FFD and Feed Forward Driving are trademarks of Mitsubishi Electric & Electronics USA, Inc. All other companies and products referenced herein are trademarks or registered trademarks of their respective holders.
Keywords
Mitsubishi, ANGLEVIEW, TFT, LCD, Feed Forward Driving, FFD, TN Mode, Motion Video.
Editorial Contacts:
John Garner
( 408 ) 774-3191
Mitsubishi Electric & Electronics USA, Inc.
garner_john@edg.mea.com
Dave Richardson
(650) 815-1006, Ext. 108
Positio Investor & Public Relations
dave@positiopr.com