发明名称 LIQUID CRYSTAL DISPLAY SYSTEM WITH VARIABLE BACKLIGHTING FOR DATA PROCESSING MACHINE
摘要 A data processing device is provided with a liquid crystal display incorporating electroluminescent backlighting, in which the electroluminescent backlighting panel is provided with several degrees of luminosity. A selection circuit specifies the degree of luminosity to allow the electroluminescent backlighting panel to generate the selected luminosity level.
申请公布号 US5144292(A) 申请公布日期 1992.09.01
申请号 US19860886423 申请日期 1986.07.17
申请人 SHARP KABUSHIKI KAISHA 发明人 SHIRAISHI, TOMIKATSU;KAWANO, ISAO
分类号 G02F1/1335;G02F1/133;G09F9/00;G09G3/18;G09G3/30;G09G3/34 主分类号 G02F1/1335
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