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    • 13. 发明授权
    • Electronic device using movement of particles
    • 使用颗粒运动的电子装置
    • US08629863B2
    • 2014-01-14
    • US12515810
    • 2007-11-22
    • Martinus Hermanus Wilhelmus Maria Van DeldenFranciscus Paulus Maria BudzelaarSander Jurgen Roosendaal
    • Martinus Hermanus Wilhelmus Maria Van DeldenFranciscus Paulus Maria BudzelaarSander Jurgen Roosendaal
    • G06F3/038G09G3/34
    • 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 move 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。
    • 14. 发明申请
    • Reflective Display Having Improved Brightness and Contrast
    • 反光显示屏具有改善的亮度和对比度
    • US20080278796A1
    • 2008-11-13
    • US12097421
    • 2006-12-11
    • Sander Jurgen RoosendaalMartinus Hermanus Wilhelmus Maria Van Delden
    • Sander Jurgen RoosendaalMartinus Hermanus Wilhelmus Maria Van Delden
    • G02F1/01
    • G02F1/133553G02F1/133512G02F1/167
    • A reflective display, comprising a plurality of pixels (10), each having a first electrode, a light-modifying layer (12), and a second electrode (3; 16) arranged to enable formation of an electric field in the light-modifying layer (12) through application of a voltage between the electrodes. The pixel (10) further includes an active portion (16) which is switchable between light-modifying states by means of said electric field, and an inactive portion (17). The inactive portion (17) is arranged for reflecting light so as to direct at least a fraction of incoming light (20) impinging on the inactive portion (17) towards the active portion (16). As a result, a contrast ratio of the reflective display is improved, since light is now directed from the inactive portion towards the active portion and thus contributes to the displayed image as observed by a viewer.
    • 一种反射显示器,包括多个像素(10),每个像素具有第一电极,光修饰层(12)和第二电极(3; 16),第二电极被布置成能够在光修改中形成电场 层(12)通过在电极之间施加电压。 像素(10)还包括可通过所述电场在光修正状态之间切换的有效部分(16)和非活动部分(17)。 非活动部分(17)被布置成用于反射光,以将至少一部分入射光(20)引导到非活动部分(17)朝向有效部分(16)。 结果,改善了反射显示器的对比度,因为现在光从无源部分朝向有效部分指向,并且因此有助于观察者观察到的显示图像。
    • 16. 发明授权
    • Reflective display having improved brightness and contrast
    • 具有改善亮度和对比度的反光显示器
    • US08149495B2
    • 2012-04-03
    • US12097421
    • 2006-12-11
    • Sander Jurgen RoosendaalMartinus Hermanus Wilhelmus Maria Van Delden
    • Sander Jurgen RoosendaalMartinus Hermanus Wilhelmus Maria Van Delden
    • G02B26/00G02F1/15G02F1/1333
    • G02F1/133553G02F1/133512G02F1/167
    • A reflective display, comprising a plurality of pixels (10), each having a first electrode, a light-modifying layer (12), and a second electrode (3; 16) arranged to enable formation of an electric field in the light-modifying layer (12) through application of a voltage between the electrodes. The pixel (10) further includes an active portion (16) which is switchable between light-modifying states by means of said electric field, and an inactive portion (17). The inactive portion (17) is arranged for reflecting light so as to direct at least a fraction of incoming light (20) impinging on the inactive portion (17) towards the active portion (16). As a result, a contrast ratio of the reflective display is improved, since light is now directed from the inactive portion towards the active portion and thus contributes to the displayed image as observed by a viewer.
    • 一种反射显示器,包括多个像素(10),每个像素具有第一电极,光修饰层(12)和第二电极(3; 16),第二电极被布置成能够在光修改中形成电场 层(12)通过在电极之间施加电压。 像素(10)还包括可通过所述电场在光修正状态之间切换的有效部分(16)和非活动部分(17)。 非活动部分(17)被布置成用于反射光,以将至少一部分入射光(20)引导到非活动部分(17)朝向有效部分(16)。 结果,改善了反射显示器的对比度,因为现在光从无源部分朝向有效部分指向,并且因此有助于观察者观察到的显示图像。