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    • 11. 发明申请
    • DRIVING AN IN-PLANE MOVING PARTICLE DEVICE
    • 驱动平面内移动颗粒装置
    • US20090066685A1
    • 2009-03-12
    • US12280382
    • 2007-02-14
    • Murray Fulton GilliesAlwin Rogier Martijn VerschuerenMark Thomas JohnsonMartinus Hermanus Wilhelmus Maria Van Delden
    • Murray Fulton GilliesAlwin Rogier Martijn VerschuerenMark Thomas JohnsonMartinus Hermanus Wilhelmus Maria Van Delden
    • G09G3/34
    • G09G3/3446G09G2300/0434G09G2310/068G09G2320/0252
    • An in-plane driven moving particle device comprises a first substrate (SUI) and an moving particle material (EM) comprising charged particles (PA), a first electrode (RE) and a second electrode (GE; DE), both arranged on the first substrate (SUI) for generating a predominantly in-plane electrical field in the moving particle material (EM), and a driver (DR). The driver (DR) supplies, during a transition phase wherein an optical state of the moving particle material (EM) has to change, a first voltage (VR) to the first electrode (RE), and a second voltage (VG; VD1) to the second electrode (GE; DE). Both the first voltage (VR) and the second voltage (VG; VD1) comprise a sequence of a plurality of predetermined levels having predetermined durations, and wherein the first voltage (VR) and/or the second voltage (VG; VD1) have a non-zero average level. The levels, durations and average level are selected for allowing the particles (PA) to move between the first electrode (RE) and second electrode (GE; DE) in opposite directions to change the optical state a plurality of times in opposite directions during the sequence, and to obtain a net movement of the particles during the transition phase in a direction of an electrical field caused by the average level.
    • 平面内驱动的移动粒子装置包括第一衬底(SUI)和包括带电粒子(PA),第一电极(RE)和第二电极(GE; DE)的移动粒子材料(EM) 用于在移动粒子材料(EM)中产生主要为平面内的电场的第一衬底(SUI)和驱动器(DR)。 驱动器(DR)在其中运动粒子材料(EM)的光学状态必须改变的转变阶段期间提供到第一电极(RE)的第一电压(VR)和第二电压(VG; VD1) 到第二电极(GE; DE)。 第一电压(VR)和第二电压(VG; VD1)均包括具有预定持续时间的多个预定电平的序列,并且其中第一电压(VR)和/或第二电压(VG; VD1)具有 非零平均水平。 选择水平,持续时间和平均水平以允许颗粒(PA)在相反方向上在第一电极(RE)和第二电极(GE; DE)之间移动,以在该期间在相反方向上多次改变光学状态 并且在由平均水平引起的电场方向上的过渡阶段期间获得颗粒的净移动。