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AUO Adds 3 LCD Technologies

Yokohama, Japan –—Taiwanese LCD panel manufacturer AU Optronics (AUO) will display at the FPD International show, held here Oct. 24, three new technologies for next-generation LCD TVs, including panels that measure just 0.78 inches thick.

The new technologies also allow contrast ratios of 5,000:1 and power consumption that is said to be half that of current LCD panels.

One of the technologies is based on the third-generation of AUO-developed AMVA. This includes a new pixel design, optimized color filter pigments and a technique to integrate backlight and optical film, according to a Nikkei Business Wire report.

AUO’s Advanced Multidomain Vertical Alignment (AMVA) wide viewing angle technology is said to produce good color fidelity at off-angle viewing, with high contrast performance.

The panel will use existing cold-cathode florescent (CCFL) back-lighting technology, enabling earlier commercialization than systems based on LED backlight, the company said.

AUO said it has made improvements in CCFL back-lighting technology to reduce power consumption by up to 50 percent. A prototype 32-inch LCD TV was said to produce a contrast ratio of 3,000:1 with a luminance of 500cd/m2, which is roughly equivalent to existing LCD TVs of the same size. The technology is also ready to be commercialized from the first quarter of 2008, said the company.

AUO said it has also developed an LCD module with a reduced thickness from 1.27 to 0.78 inches. To develop the module, the company said it solved the problem of non-uniformity in luminance resulting from the reduction of thickness by the improvement of the optical system.

The modules can be used to produce LCD TVs in screen sizes of 32, 37 and 42 inches, and volume production will be ready to begin in the first quarter of 2008, the company said.

AUO has also developed a new generation of HiColor technology that is capable of displaying multiple primary colors using yellow and cyan in addition to RGB, Nikkei reported.