Liquid crystal displays by virtue of their flat profile, low volume and low power offer the user a number of advantages over CRTs, without compromising on the image quality. High definition (1000 line) flat panel displays enhance image recognition, which improves the viewer's ability to resolve images. High definition displays are required over a wide spectrum of sizes for HMDs through HDDs, to multifunction consoles. These size and complexity requirements may be uniquely met with ferroelectric liquid crystal display (FLCD) technology. The fast line address times (l.a.t. of about 20 microsecond) may be traded off to meet complexity, colour and greyscale. This paper describes the latest developments in FLCD design to produce temporal and spatial dither greyscale. These exploit new developments in material response times and fast drive schemes developed at DRA Malvern. The increased speed provided by the Malvern drive schemes also allows colour to be implemented in a temporal manner similar to temporal greyscale. A new method to add colour to existing fast displays using a frame sequential technique is also described.
Greyscale and colour in ferroelectric liquid crystal displays
Grauwerte und Farbe bei ferroelektrischen Flüssigkristallanzeigen
1995
11 Seiten, 7 Bilder, 2 Tabellen, 16 Quellen
Conference paper
English
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