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    • 2. 发明授权
    • Driving system and method for electroluminescence display
    • 用于电致发光显示的驱动系统和方法
    • US06501226B2
    • 2002-12-31
    • US09782480
    • 2001-02-12
    • Wai-Yan Stephen LaiWah Chi Raymond WangHing Kau Stephen CheungWai Yu Felix WongChung Yee Ricky Ng
    • Wai-Yan Stephen LaiWah Chi Raymond WangHing Kau Stephen CheungWai Yu Felix WongChung Yee Ricky Ng
    • G09G330
    • G09G3/3216G09G3/3266G09G3/3283G09G2310/0251G09G2320/0209G09G2320/0219G09G2330/023
    • A driving system and its corresponding driving scheme for electroluminescence displays that employs the principle of electric charge conservation and recycling in order to reduce switching current requirement against the system power source. In an electroluminescence display of a matrix of electroluminescence elements arrayed in rows and columns, wherein anodes of the electroluminescence elements on each row being electrically connected to a corresponding anode line, and cathodes of the electroluminescence elements on each column being electrically connected to a corresponding cathode line, a driving system for driving said electroluminescence display comprises a row/column control circuit for lighting at least one of said electroluminescence elements by establishing an electrical route across the power source and the ground in a driving scheme. The driving scheme sequentially scans each of the cathode lines while simultaneously drives at least one of the anode lines during each scanning. The control circuit equalizes electric charges in electroluminescence elements in the cathode line being scanned and in an adjoining cathode line to be scanned subsequently by electrically connecting both cathode lines together before the scanning cycles to the adjoining cathode line.
    • 驱动系统及其相应的电致发光显示器驱动方案采用电荷保存和循环的原理,以减少对系统电源的开关电流需求。 在排列成行和列的电致发光元件的矩阵的电致发光显示器中,其中每行上的电致发光元件的阳极电连接到相应的阳极线,并且每列上的电致发光元件的阴极电连接到相应的阴极 用于驱动所述电致发光显示器的驱动系统包括用于通过在驱动方案中跨越电源和地面建立电路径来照亮至少一个所述电致发光元件的行/列控制电路。 驱动方案顺序地扫描每条阴极线,同时在每次扫描期间驱动至少一条阳极线。 控制电路使扫描阴极线中的电致发光元件中的电荷和在扫描周期之前将两个阴极线电连接到邻接的阴极线上的邻接的阴极线之间均匀化。