Display Standard - Veritas et Visus

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Veritas et Visus Display Standard February 2009 Digital Antenna Products Lou Lenzi, Audiovox Accessories Corporation, New York, New York RCA antenna products fit the new designs and technologies of today’s displays, practically disappearing into the décor. The graphic shows a typical rabbit-ear antenna reception pattern and an actual ANT1500 reception pattern – good reception in any direction. Some antenna products try to get better picture by amplification alone. This gives you more and noticeable picture distortion, Lenzi said. The ANT1500 digital flat antenna receives all digital and analog TV broadcasts and selfadjusts: just plug and watch. A supersize footprint provides superior reception, and it has an easy-to-hide flat design. It outperforms traditional antenna due to a patented omnidirectional design. It mounts on the wall, lays flat or sits upright with an included stand. The ANT1550 has all the above, plus an ultra-low noise amplifier to provide clear reception of HDTV and UHF/VHF signals. Displaybank Korea Display Conference July 2-4, 2008, Seoul, South Korea Phillip Hill covers talks from AUO, Qualcomm MEMS Technologies, 3M Optical Systems, and Samsung SDI Choosing the green approach to create A+ product Jennifer Y.-C. Lin, AUO, Hsinchu, Taiwan Jennifer Lin’s presentation agenda covered displays that reshape our new lifestyle; green innovation bringing more to displays; optimized panel design reducing power consumption; utilizing green materials to reduce consumption; high performance systems with green considerations; and AUO’s solution to “green” the world. Lin first showed a slide (see illustration) that demonstrates how CCFL efficiency is improving continuously. LED adoption in notebooks helps mercury reduction. 42
Veritas et Visus Display Standard February 2009 AUO is aggressively adopting LED technologies and plans to have 100% LED by the end of 2011. AUO will save more than 120,000 mg of mercury by 2011. She then discussed AUO “Green 2010” eco-efficiency indexes. There will be a 70% reduction from 2004 levels by 2010 in greenhouse gas emissions per substrate size; 80% waste recovery rate achievement; and 70% reduction from 2004 levels by 2010 in water consumption per substrate size. She turned to dynamic backlight control. There are various algorithms to manipulate the BL index and GL transfer to differentiate image quality. This is usually done by the system designer/maker, but 2D control is feasible in direct type LED backlights. Lin concluded by saying that the TFT-LCD market will continue to grow through technology innovation and novel applications. Displays continue to reshape our future life style. Products bring convenience to life = A products, and help to “green” the world = A+ products. AUO can make A+ products through green innovation: optimized panel design reduces power consumption; utilize green material and reduce consumption for products and processes; think green for high performance and stylish systems. AUO plays a key role to “green” the world by its influence to broad component vendors and customer bases. Disruptive Technology in Small and Medium Display “mirasol” Display Value Proposition James Jeon, Qualcomm MEMS Technologies, San Diego, California Qualcomm is a global leader in developing and delivering innovative digital wireless communications solutions based on CDMA and other advanced technologies. It partners with wireless operators, device manufacturers, independent software vendors, and distribution suppliers to drive adoption of mobility solutions based on 3G CDMA and other digital technologies. “mirasol” is a MEMS-based reflective display. It reflects ambient light so that specific wavelengths interfere with each other to select color (see illustration). As a mechanical device, the mirror actuates due to an applied voltage, with a response time of 10s, easily supporting video applications. The phenomenon that makes a butterfly’s wings shimmer is the same process mimicked in mirasol displays. There are no color filters, no polarizer, no transistors, no organic material, and no backlight. What drives the widening power gap? Style dictates design: there is a demand for smaller and thinner devices, which equates to space limitations on batteries. There is slow battery R&D. Development focuses on delivering higher discharge vs. power conserving batteries. Cutting edge battery R&D is focused elsewhere (hybrid vehicle technology). Convergence is the primary contributor. Users continue to demand more applications, and operators derive increasing revenue streams from application-based services. The current solution is a bigger battery. The gap between the capacity of 3G phone batteries and non-3G is growing. Power consuming 3G features like video calls and web browsing tax phone batteries. The trend is to bigger batteries – heavier, thicker, non-style supportive and more cost. mirasol displays are a low-power solution. For a 2.2-inch color screen, it uses 1mW compared to 100- 700mW for AMOLED and 20mW for TFT-LCD. It is bistable with near-zero power for a static image. It is sunlight viewable with a wide, symmetric view cone. Commercial products featuring mirasol displays are entering the marketplace adding value throughout the wireless value chain, the company says. 43
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