GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1982
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1971
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1965
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1989
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Detailed explanation-1: -George H. Heilmeier was inducted in the National Inventors Hall of Fame and credited with the invention of LCDs.
Detailed explanation-2: -In 1982, Seiko Epson released the first LCD television, the Epson TV Watch, a small wrist-worn active-matrix LCD television. Sharp Corporation introduced the dot matrix TN-LCD in 1983, and Casio introduced its TV-10 portable TV. In 1984, Epson released the ET-10, the first full-color pocket LCD television.
Detailed explanation-3: -Martin Schadt and Dr. Wolfgang Helfrich – placed the liquid crystal between two plastic surfaces carrying a grid of transparent electrodes. In so doing, they discovered they could create individual picture elements, or “pixels, ‘’ which could be used to form shapes. They filed a Swiss patent for the idea on Dec.