Color liquid crystal display with dead front appearance having opaque mask formed on the primary display

作者: Virgil J. Hull , James S. Celebi , Lowell W. Knapp , Richard B. Dingwall , John H. Steele

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摘要: A liquid crystal display unit is provided which includes a primary, image-defining and secondary display, arranged in series with the primary display. The displays have equal numbers of light shutters, similarly sized located on each so that when corresponding shutters are closed, substantially no passes through viewing side An opaque mask formed input to define shape image elements be displayed. This covers edges permits easily aligned other. Color patches can viewed images color. use form eliminates need precisely shaped color patches. Since blocks all between having true dead front. front colored text using mimic-type electrodes produced. not perform as well displays, suitable for used displays.

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