Abstract— LCDs have achieved a full‐high‐definition resolution of 1920 × 1080 (16:9), 600‐nit brightness, 3000:1 dynamic contrast ratio, 92% color gamut, 178° viewing angle, and 5‐msec response time at all gray levels and are targeted for HDTV and public‐information‐display applications. Some unique technologies, such as Cu bus line, advanced wide view polarizer, and wide‐color‐gamut lamp, were applied. A new stitching‐free technology was developed to overcome the size limitation of the photomask in both the TFT and color‐filter processes. The size of the panel (100 in.), based on the wide format (16:9), is determined by the maximum efficiency of the world's first seventh‐generation line (glass size, 1950 × 2250 mm) in LG.Philips LCD's (LPL) Paju display cluster. The issues facing 100‐in. TFT‐LCDs will be discussed.
Abstract— We have developed the world's largest TFT‐LCD, which has a 55‐in.‐diagonal size. This LCD features a 1920 × 1080 (16:9) resolution for full‐HDTV images, 500‐nit luminance, 72% color gamut, and 12‐msec response time at all gray levels. The size of the panel (55 in.) was determined by the maximum efficiency of our fifth‐generation line (glass size: 1100 × 1250 mm). To overcome the limitation of size in photolithography equipment, a new stitcking‐free technology was applied in both the TFT and color‐filter side. And the super‐IPS mode was used as a wide‐viewing‐angle technology because it is suitable in the fabrication of large panels. In this paper, we present issues on both the fabrication and characteristics of the 55‐in. TFT‐LCD.
We have developed an ultra‐super large TFT‐LCD which has a 52‐inch diagonal size. This magnificent LCD has the features of 1920 × 1080 (16:9) resolution for full HDTV image, 500nit brightness, 75% color gamut and 12msec response time at all the grays. The size of the panel (52‐inch) is determined by the maximum efficiency of one of our fifth generation lines (glass size: 1000 × 1200mm). To overcome the limitation of size in photo‐lithography equipment, a new stitching‐free technology was applied in both TFT and C/F side. And the super‐IPS mode was used as a wide viewing angle technology because it is suitable for such a large panel. In this paper, we present issues on both the fabrication and characteristics of 52‐inch TFTLCD.
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