AU Optronics (News - Alert) has launched two new technologies for mobile device applications: a 2.2'' transflective panel with a slim border of 0.9mm and a 2.7'' panel with a high contrast ratio of 2100:1.

 

The company points out that the border width for small-sized panel is becoming increasingly important due to the increasing needs of high contrast ratio and wide viewing angle. AUO's 2.2" mobile device TFT-LCD boasts a slim border of 0.9mm on both the right and left sides. The upper side border width can also be reduced to 1.2mm.

 

AUO’s 2.2'' mobile device TFT-LCD can thus increase the active area, enhance the image sleekness as well as maintain the same high quality resolution and excellent display quality performance.

 

High contrast ratio and wide viewing angle are also becoming essential features for small-sized displays due to the growing popularity of multimedia playing functions in portable electronic devices. AUO's AMVA-mobile technology uses novel domains-forming technology along with specific pixel structure design to maintain stable liquid crystal molecular directions, prevent press mura, and provide higher transmittance.

 

The AMVA- mobile technology also utilizes Multi-domain Vertical Alignment design to effectively restrain dark state light leakage and increase the aperture ratio. This results in a higher contrast ratio of up to 2100:1. The technology has been successfully applied on 2.7'' mobile QVGA resolution mobile displays to fulfill the needs of video calls and movie- playing.

 

“The arrival of the 3G era accelerates mobile handsets to become lighter, thinner, brighter, more elegant and more interactive human-interfaced,” said Dr. CT Liu, AUO vice president & GM of Consumer Product Display Operations in a statement to the press. “To enhance contrast ratio and improve motion blur is also crucial for mobile devices displays.”

 

AUO has therefore successfully implemented large- sized TFT-LCD technologies to small- and medium-sized displays, including AMVA-mobile technology, ASPD-mobile technology and APE-mobile technology.

 

Liu believes that in the future, these mobile device- exclusive technologies will be the competitive niche for AUO in the consumer electronics and mobile phone markets.

 

AU Optronics Corp manufactures large-size thin film transistor liquid crystal display panels.

 

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