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HTPS panel touts improved aperture ratio

Posted: 28 Aug 2007 ?? ?Print Version ?Bookmark and Share

Keywords:high-temperature polysilicon TFT LCD? HTPS panel? LCD drivers?


Seiko Epson Corp. has developed a new type of high-temperature polysilicon (HTPS) TFT LCD panel that will further enhance the performance of 3LCD-type front projectors. The company 0.7-inch (1.9cm diagonal) HTPS panels, which use Epson's C2 Fine technology, are now in volume production.

The newly developed L3C07U-85G10 use a technology, which boosts aperture ratios by 20 percent compared with the previous model released by Epson, part-numbered L3C07U-75G00. By enhancing aperture ratios, this technology improves luminance while using the same lamp as previous models. The L3C07U-85G10 also enables the use of a lower-watt lamp to achieve the same levels of luminance. Thus, companies can manufacture brighter, more environmentally friendly projectors.

The new panels also use 12bit LCD drivers which boost accuracy in reproducing subtle differences in color and gradation. The new 12bit driver is capable of controlling 68.7 billion colors. The new panels also feature 4,096 gradation levels. As a result, the new panels offer high quality images that are suitable for wide-screen, high-definition products.

In addition, various improvements have been made to make installation easier for product manufacturers, such as boosting noise immunity by utilizing mini-LVDS interface and strengthening panel tape (FPC).

This new technology will enable users to more easily enjoy high-definition images on large-screen 3LCD projectors manufactured with C2 Fine panels.

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