发明授权
US06355314B1 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same 失效
高分子分散型液晶显示元件及其制造方法

Macromolecular dispersion type liquid crystal display element and method of manufacturing the same
摘要:
A polymer dispersion type liquid crystal display element is disclosed. The element has a polymer dispersion type liquid crystal sandwiched between a pair of substrates, each having an inside electrode. Liquid crystal droplets are dispersed either in a polymer matrix continuous phase or in a three-dimensional matrix-containing polymer. When no voltage is applied to the electrodes, the liquid crystal molecules in the droplets present a bipolar-form orientation pattern having at least two poles in the vicinity of the interfaces between the liquid crystal droplets and the polymer. When a clear point transition temperature of the liquid crystal is Tni, the pattern of bipolar-form orientation is maintained at least when the element is operating at a temperature in the range of 5° C. to (Tni−5)° C.
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