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    • 1. 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。
    • 2. 发明申请
    • DRIVING AN IN-PLANE PASSIVE MATRIX DISPLAY
    • 驾驶无人机被动矩阵显示
    • WO2007105146A1
    • 2007-09-20
    • PCT/IB2007/050740
    • 2007-03-06
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JOHNSON, Mark, T.BUDZELAAR, Franciscus, P., M.VERSCHUEREN, Alwin, R., M.VAN DELDEN, Martinus, H., W., M.ROOSENDAAL, Sander, J.GILLIES, Murray, F.
    • JOHNSON, Mark, T.BUDZELAAR, Franciscus, P., M.VERSCHUEREN, Alwin, R., M.VAN DELDEN, Martinus, H., W., M.ROOSENDAAL, Sander, J.GILLIES, Murray, F.
    • G09G3/34
    • G09G3/3446G02F2001/1676G09G2300/06
    • A driving circuit for driving an in-plane moving particle device has a pixel (P) comprising movable charged particles (PA). The pixel (P) has a reservoir electrode (RE), a display electrode (DE), and a gate electrode (GE) laterally placed in-between the reservoir electrode (RE) and the display electrode (DE). The driving circuit (DC) comprises a driver (DR), a controller (CO) which receives an input signal (OS) representing an image to be displayed on the moving particle device. The controller (CO) controls the driver (DR) to supply a first voltage difference (VDl) between the reservoir electrode (RE) and the gate electrode (GE) and a second voltage difference (VD2) between the gate electrode (GE) and the display electrode (DE). The image is written to the pixel (P) during a write phase (TW) by moving particles (PA) from the reservoir electrode (RE) via the gate electrode (GE) to the display electrode (DE) if the optical state of the pixel (P) should change in conformity with the image. If during the write phase (TW) the optical state of the pixel (P) should not change, the first voltage difference (VDl) has a first write level and the second voltage difference (VD2) has a second write level, both write levels are selected to repulse the particles (PA) from the gate electrode (GE). During a repulsion period (TR), the first voltage difference (VDl) has a level more repulsive to the particles than the first write level, and/or the second voltage difference (VD2) has a level more repulsive than the second write level.
    • 用于驱动面内移动粒子装置的驱动电路具有包括可移动带电粒子(PA)的像素(P)。 像素(P)具有横向放置在储存器电极(RE)和显示电极(DE)之间的储存器电极(RE),显示电极(DE)和栅电极(GE)。 驱动电路(DC)包括驱动器(DR),控制器(CO),其接收表示要在移动粒子装置上显示的图像的输入信号(OS)。 控制器(CO)控制驱动器(DR)以在储存电极(RE)和栅电极(GE)之间提供第一电压差(VD1),并且在栅电极(GE)和 显示电极(DE)。 在写入阶段(TW)期间,通过将粒子(PA)从储存电极(RE)经由栅电极(GE)移动到显示电极(DE),将图像写入像素(P),如果光学状态 像素(P)应该与图像一致。 如果在写入阶段(TW)期间,像素(P)的光学状态不应该改变,则第一电压差(VD1)具有第一写入电平,并且第二电压差(VD2)具有第二写入电平,两个写入电平 被选择为从栅电极(GE)中击退颗粒(PA)。 在排斥周期(TR)期间,第一电压差(VD1)具有比第一写入电平更为排斥粒子的电平,和/或第二电压差(VD2)具有比第二写入电平更具有排斥性的电平。
    • 7. 发明申请
    • METHOD AND SYSTEM FOR DRIVING A BACKLIGHT IN A DISPLAY
    • 用于在显示器中驱动背光的方法和系统
    • WO2009004574A1
    • 2009-01-08
    • PCT/IB2008/052637
    • 2008-07-01
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BUDZELAAR, Franciscus, P., M.DOMMISSE, Ardjan
    • BUDZELAAR, Franciscus, P., M.DOMMISSE, Ardjan
    • G09G3/34
    • G09G3/3426G09G2320/062G09G2320/0626G09G2330/021G09G2360/16
    • A backlight control system for controlling a backlight of a display. The display (100) comprises a transmissive display panel (102) and a backlight (104) for providing an illumination to a backside (108) of the display panel. The backlight comprises light sources (110) positioned at light source positions for providing illumination to the backside of the display panel. The system comprises a drive value generator (106) for providing light source drive values (112) for causing the backlight profile to gradually descend around a high luminance portion of the display at a rate that is independent of a position of the high luminance portion with respect to the light source positions. The high luminance portion of the display has a higher luminance than an area around the high luminance portion of the display. The system allows to prevent a disturbing perception of backlight structure and halo.
    • 一种用于控制显示器的背光的背光控制系统。 显示器(100)包括用于向显示面板的背面(108)提供照明的透射显示面板(102)和背光源(104)。 背光源包括位于光源位置的光源(110),用于向显示面板的背面提供照明。 该系统包括用于提供光源驱动值(112)的驱动值发生器(106),用于使得背光轮廓以与高亮度部分的位置无关的速率以显示器的高亮度部分逐渐下降, 尊重光源的位置。 显示器的高亮度部分具有比显示器的高亮度部分周围的区域更高的亮度。 该系统允许防止背光结构和光晕的令人不安的感觉。