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    • 31. 发明申请
    • ELECTROPHORETIC COLOR DISPLAY PANEL
    • 电子彩色显示面板
    • WO2008065605A2
    • 2008-06-05
    • PCT/IB2007/054799
    • 2007-11-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.LENSSEN, Kars-Michiel, H.BAESJOU, Patrick, J.VAN DELDEN, Martinus, H., W., M.ROOSENDAAL, Sander, J.STOFMEEL, Leon, W., G.VERSCHUEREN, Alwin, R., M.
    • LENSSEN, Kars-Michiel, H.BAESJOU, Patrick, J.VAN DELDEN, Martinus, H., W., M.ROOSENDAAL, Sander, J.STOFMEEL, Leon, W., G.VERSCHUEREN, Alwin, R., M.
    • G02F1/167G02F1/1347
    • G02F1/167G02F1/134363G02F1/13473G02F2001/1678G02F2203/34
    • The invention relates to an electrophoretic color display panel, the display panel comprising at least one pixel (10, 12), the at least one pixel (10, 12) comprising a layer cavity (18ab) containing a suspension with a first set of charged particles (24a) having a first optical property and a second set of charged particles (24b) having a second optical property, and a pair of control electrodes (20a, 20b) arranged adjacent to the layer cavity (18ab), such that charged particles (24a, 24b) are essentially in-plane displaceable in an in-plane direction within the layer cavity (18ab) upon application of a control voltage over the electrode pair, wherein the in-plane distribution of charged particles (24a, 24b) having first and second optical properties in the layer cavity (18ab) depends on at least one of a differing control property additional to any polarity difference of the charged particles (24a, 24b) for each set of charged particles, or at least one additional electrode arranged adjacent to the layer cavity, wherein the electrode pair (20a, 20b) and the at least one additional control electrode are arranged essentially outside of a viewing area (26) of the at least one pixel (10, 12), such that a composite optical property of at least a portion of the at least one pixel (10, 12) is controllable. According to the invention, the control electrodes will be arranged at essentially the outer ends, or arranged in-plane, at a peripheral, of a prolonged layer cavity, such that the particles move in an in-plane direction within the layer cavity when the control voltage is applied. This facilitates the handling of the pixel since the layer cavity can be reached from essentially the outside of the pixel. Another advantage is that since only a minor part of the pixel area has to be covered with an electrode material the total transmission and thus the brightness of the pixel can be optimized.
    • 本发明涉及一种电泳彩色显示面板,该显示面板包括至少一个像素(10,12),该至少一个像素(10,12)包括一层含有第一组带电荷的悬浮液的层腔(18ab) 具有第一光学特性的颗粒(24a)和具有第二光学特性的第二组带电粒子(24b)和与层腔(18ab)相邻布置的一对控制电极(20a,20b),使得带电粒子 (24a,24b)在电极对上施加控制电压时,在层空腔(18ab)内基本上可以在面内方向上移位,其中带电粒子(24a,24b)的面内分布具有 层空腔(18ab)中的第一和第二光学特性取决于对于每组带电粒子的带电粒子(24a,24b)的任何极性差异附加的不同控制特性或至少一个附加电极排列的至少一个 一个 其中所述电极对(20a,20b)和所述至少一个附加控制电极基本上布置在所述至少一个像素(10,12)的观察区域(26)的外侧,使得复合材料 至少一个像素(10,12)的至少一部分的光学特性是可控的。 根据本发明,控制电极将基本上布置在延伸的层空腔的外围的外端或平面内,使得当颗粒在层腔内的平面内方向移动时, 施加控制电压。 这有助于像素的处理,因为可以从像素的基本上外部到达层空腔。 另一个优点在于,由于只有少部分像素区域必须用电极材料覆盖,因此可以优化像素的总透射率和亮度。
    • 32. 发明申请
    • ELECTRONIC DEVICE USING MOVEMENT OF PARTICLES
    • 使用颗粒运动的电子设备
    • WO2008065589A1
    • 2008-06-05
    • PCT/IB2007/054747
    • 2007-11-22
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN DELDEN, Martinus, H., W., M.BUDZELAAR, Franciscus, P., M.ROOSENDAAL, Sander, J.
    • VAN DELDEN, Martinus, H., W., M.BUDZELAAR, Franciscus, P., M.ROOSENDAAL, Sander, J.
    • G09G3/34
    • G09G3/3446G09G3/2018G09G3/2081G09G2300/0434G09G2310/06G09G2320/0233
    • A method is provided of driving an electronic device comprising an array of device elements, each device element comprising particles which are moved to control a device element state, and each device element comprising a collector electrode, and an output electrode. The method comprises: in a reset phase, applying a first set of control signals to control the device to mo ve the particles to the a reset electrode; and in an addressing phase, applying a second set of control signals to control the device to move the particles from the reset electrode such that a desired number of particles are at the output electrode. The second set of control signals comprises a pulse waveform oscillating between first and second voltages in which the first voltage is for attracting the particles to the reset electrode and the second voltage is for attracting the particles from the reset electrode to the output electrode, and wherein the duty cycle of the pulse waveform determines the proportion of particles transferred to the output electrode in the addressing phase. This control method provides well-controlled packets of particles which are collected in a vortex at the reset electrode before being passed on, in part, towards the output electrode (for example via the gate electrode).
    • 提供了一种驱动包括器件元件阵列的电子器件的方法,每个器件元件包括被移动以控制器件元件状态的粒子,并且每个器件元件包括集电极和输出电极。 该方法包括:在复位阶段,施加第一组控制信号以控制该装置将颗粒移动到复位电极; 并且在寻址阶段,施加第二组控制信号以控制所述装置从所述复位电极移动所述颗粒,使得所需数量的颗粒在所述输出电极处。 第二组控制信号包括在第一和第二电压之间振荡的脉冲波形,其中第一电压用于将颗粒吸引到复位电极,第二电压用于将颗粒从复位电极吸引到输出电极,并且其中 脉冲波形的占空比决定了在寻址阶段转移到输出电极的粒子的比例。 这种控制方法提供了良好控制的颗粒包,它们在部分地朝着输出电极(例如通过栅极电极)通过之前在复位电极的涡流中收集。