Matrix-type image display with light-guide addressing system

作者: Joseph Markin , Alan Sobel

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摘要: An image-display panel includes a plurality of light-displaying elements, such as electroluminescent capacitors or liquid crystals, disposed in an array rows and columns. Associated with each element is photoconductor other light-responsive device for activating the elements. A pair crossed arrays fiber-optic light pipes have their crossings juxtaposition photosensitive devices, including localized light-emitting apertures near crossings. system included injecting into manner to provide systematic sequential scanning devices by concurrent emission from selected light-conductive elements both arrays. Light emitted single light-pipe aperture reduces resistance part associated photoconductor, but remaining sufficient prevent functioning. When at display element, sufficiently reduced that produces useful output. In alternative embodiment, are utilized activation one direction, while electrical conductors used perform coordinate function.