Direct-element-driven liquid crystal displays (LCDs) are now being used in automobiles built around the world. Newly available dot matrix, graphic-type LCDs offer the potential for more sohisticated display functions. However, conventional multiplexed LCDs do not provide the display performance or environmental capability needed in automobile dashboards. Active-matrix, thin-film-transistor (TFT) addressed LCDs, such as the Panelvision MiniGraphic Display, offer superior visual and environmental performance, comparable to direct-element-driven LCDs. Experiments are described to extend the operating temperature range of the MiniGraphic Display to -40 to +85 degrees Centigrade. Problems encountered in using improved liquid crystal fluids are described, together with the experimental results.
Improved Temperature Range for Active Matrix Addressed Liquid Crystal Display
Sae Technical Papers
SAE International Congress and Exposition ; 1985
1985-02-01
Conference paper
English
Improved Temperature Range for Active Matrix Addressed Liquid Crystal Display
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