Flat-panel displays displace large, heavy, power-hungry CRTs

Article Abstract:

Cathode-ray tube (CRT) display sales will grow from 1989's $6.372 billion to $7 billion in 1991, but flat-panel display sales are expected to rival those of CRTs by the mid-1990s. The CRT's market dominance is a consequence of its low cost, high resolution and multicolor and gray scale capabilities. Flat-panel display technologies find applications where low weight and low volume are desirable, though various flat-panel technologies are now replacing CRTs in many applications. Color liquid-crystal displays (LCDs) are expected to replace CRTs in avionic displays; they are being used in personal portable televisions and show promise in projection systems as well. Three flat-panel technologies are being applied to briefcase-size microcomputers: double-supertwist LCDs, electroluminescent displays and gas-discharge displays. A major problem is reducing color LCD costs.

Industrial research, Liquid crystal displays, Product introduction, Research and Development, Trends, Market Analysis, CRT Display, New Technique, LCD Display

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How to select a flat-panel display

Article Abstract:

The selection of a flat-panel display must address several major issues: display requirements of the application, whether to use a cathode-ray tube or flat display, the attributes of the various flat-display technologies and costs. The 'preliminary display requirements' are the mechanical, environmental, system and data format specifications of the intended application. Criteria and types of applications for which CRTs and flat-panel displays, respectively, provide the best solutions are described. Attributes to consider in selecting a specific flat-panel display technology include: price, power requirements, size of pixel matrices available, resolution, image quality, contrast, luminance, readability in bright light and immunity to environmental conditions. Electroluminescent, vacuum fluorescent, plasma and several liquid-crystal displays are compared.

Comparison, Hardware Selection, Criteria, Tutorial

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