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- W2753202347 abstract "A very high resolution and high contrast laser addressed liquid crystal color display has been developed for use in the acquisition and exploitation of high density alpha-numeric and graphic data. The display system consists of two smectic liquid crystal light valves (SLCLV) which are thermally addressed by a single laser selectively. Each light valve is capable of generating 2048x2048 addressable pixels within a 1x1 data format. There are 8x106 pixels available for data presentation. The laser writing system consists of the laser, a modulator which enables the formation of discrete data elements on the SLCLV, a two axis galvanometer deflection unit and beam splitting optics designed to multiplex the writing laser on each SLCLV. A closed-loop galvo deflection system can position the focused laser beam to an accuracy of 0.1% across the screen. Laser focus lens is an f/8.0 telecentric design to produce a 1x1 data format on the SLCLV with spot size less than .0004. Color images from each light valve are superimposed onto the screen by a wide angle f/8.0 projection lens with 48X magnification relays the combined color image to a 48x48 screen with less than 0.1% of distortion. The possible contrast of the display is up to 60 to 1. The overall dimension of the rear projected color display is 60x52x31.© (1981) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only." @default.
- W2753202347 created "2017-09-15" @default.
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- W2753202347 date "1981-07-28" @default.
- W2753202347 modified "2023-09-23" @default.
- W2753202347 title "<title>High-Data Density Four-Color Liquid Crystal Display</title>" @default.
- W2753202347 doi "https://doi.org/10.1117/12.931758" @default.
- W2753202347 hasPublicationYear "1981" @default.
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