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    • 138. 发明申请
    • ELECTROPHORETIC COLOR DISPLAY PANEL
    • 电子彩色显示面板
    • WO2006016302A3
    • 2006-06-22
    • PCT/IB2005052489
    • 2005-07-25
    • KONINKL PHILIPS ELECTRONICS NVSCHLANGEN LUCAS J MJOHNSON MARK TBAESJOU PATRICK JDUINE PETER A
    • SCHLANGEN LUCAS J MJOHNSON MARK TBAESJOU PATRICK JDUINE PETER A
    • G09G3/34G02F1/167
    • G09G3/3446G09G2300/0452G09G2310/061G09G2320/0233
    • For the electrophoretic display panel (1) to be able to have a pixel (2) which is able to have a relative large number of different attainable optical states for displaying a picture, even if the pixel (2) has three electrodes, the electrophoretic display panel (1) has a pixel (2) and drive means (100); the pixel (2) has an electrophoretic medium (5) having first and second charged particles (6,7), the first and the second particles (6,7) having opposite polarity and dissimilar optical properties and being able to occupy positions in the pixel (2), a first, a second and a reset electrode (11,12,13) for receiving potentials, and an optical state depending on the positions of the particles (6,7) in the pixel (2); the drive means (100) are arranged for controlling a sequence of the potentials received by the electrodes (11,12,13) for enabling the first and the second particles (6,7) to occupy their positions for displaying the picture, the sequence comprising first particles positioning potentials for enabling the first particles (6) to occupy a position for displaying the picture, subsequently second particles reset potentials for enabling the second particles (7) to occupy a position near the reset electrode (13) and for preventing the first particles (6) from substantially changing their contribution to the optical state of the pixel (2), subsequently second particles positioning potentials for enabling the second particles (7) to occupy a position for displaying the picture and for preventing the first particles (6) from substantially changing their contribution to the optical state of the pixel (2).
    • 为了使电泳显示面板(1)能够具有能够具有相对大数量的不同可获得的光学状态用于显示图像的像素(2),即使像素(2)具有三个电极,电泳 显示面板(1)具有像素(2)和驱动装置(100); 像素(2)具有具有第一和第二带电粒子(6,7)的电泳介质(5),第一和第二粒子(6,7)具有相反极性和不相似的光学特性,并能够占据位置 用于接收电位的像素(2),第一,第二和复位电极(11,12,13),以及取决于像素(2)中的颗粒(6,7)的位置的光学状态; 驱动装置(100)被布置用于控制由电极(11,12,13)接收的电位序列,以使第一和第二颗粒(6,7)能够占据其用于显示图像的位置,序列 包括用于使所述第一颗粒(6)占据用于显示图像的位置的第一颗粒定位电位,随后的第二颗粒重置电位,以使得所述第二颗粒(7)能够占据所述复位电极(13)附近的位置,并且用于防止 第一颗粒(6)基本上改变其对像素(2)的光学状态的贡献,随后第二颗粒定位电位以使得第二颗粒(7)能够占据用于显示图像的位置并且用于防止第一颗粒(6 )基本上改变其对像素(2)的光学状态的贡献。