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    • 2. 发明授权
    • Display apparatus employing a field emission device and brightness control device and method therefor
    • 采用场发射装置和亮度控制装置的显示装置及其方法
    • US07336042B2
    • 2008-02-26
    • US11487395
    • 2006-07-17
    • Masaki ToriumiMitsuru TanakaYuji ObaraKenichi Furumata
    • Masaki ToriumiMitsuru TanakaYuji ObaraKenichi Furumata
    • H05B37/02
    • G09G3/22G09G2310/027G09G2320/029G09G2320/041G09G2320/0633G09G2360/16
    • A display apparatus includes a field emission device including a first electrode serving as a display plate on which phosphor material is coated, and a second and a third electrode for emitting electrons to be ejected onto the first electrode, wherein the phosphor material emits light when the electrons are ejected thereonto; a voltage application unit for applying driving voltages to the second and the third electrode to control an emitted amount of the electrons in accordance with display data and allow a specific part of the phosphor material to emit light; and a brightness control unit for controlling an emission brightness of the phosphor material. The brightness control unit includes a first electrode current detection unit, a display data amount estimation unit, a comparing unit, a preset value generation unit, an average turn-on rate detection unit, an average turn-on rate analysis unit, and a selection unit.
    • 一种显示装置,包括:场致发射装置,包括作为其上涂布有荧光材料的显示板的第一电极和用于发射电子的第二和第三电极,以喷射到第一电极上,其中,当荧光体材料发射时, 电子被喷射到其上; 电压施加单元,用于向第二和第三电极施加驱动电压,以根据显示数据控制电子的发射量,并允许特定部分的荧光体材料发光; 以及用于控制荧光体材料的发光亮度的亮度控制单元。 亮度控制单元包括第一电极电流检测单元,显示数据量估计单元,比较单元,预设值生成单元,平均开启率检测单元,平均开启率分析单元和选择 单元。