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    • 52. 发明申请
    • Electrophoretic display unit
    • 电泳显示单元
    • US20070008278A1
    • 2007-01-11
    • US10574148
    • 2004-09-28
    • Mark JohnsonMasaru YasuiGuofu Zhou
    • Mark JohnsonMasaru YasuiGuofu Zhou
    • G09G3/34
    • G09G3/344G09G2300/08G09G2310/0251G09G2310/0254G09G2310/061G09G2310/068G09G2320/0247
    • Electrophoretic display units (100) comprising pixels (11) situated between a common electrode (6) and pixel electrodes (5) need, for shortening the total image update times, increased driving voltages across the pixels (11) which make disturbances more visible. To camouflage such disturbances, instead of one common electrode (6), different counter electrodes (16,17) coupled to different portions (66,67) of the electrophoretic display panel (60) are introduced. First and second counter electrodes (16,17) receive first and second voltage signals (V16, V17) lik˜ alternating voltage signals having opposite phases. First shaking data pulses (V16-VE1, V16-VE3) are supplied to the first portion (66) and second shaking data pulses (V17-VE2, V17-VE4) are supplied to the second portion (67), which first and second shaking data pulses have opposite amplitudes. Setting signals (S1,S2,S3,S4) supplied during setting frame period (FS) reduce voltage swings at pixel electrodes (5).
    • 包括位于公共电极(6)和像素电极(5)之间的像素(11)的电泳显示单元(100)需要用于缩短总的图像更新时间,使跨越像素(11)的驱动电压增加,使得扰动更可见。 为了伪装这种干扰,引入耦合到电泳显示面板(60)的不同部分(66,67)的不同对置电极(16,17)而不是一个公共电极(6)。 第一和第二对置电极(16,17)接收具有相反相位的交流电压信号的第一和第二电压信号(V 16,V 17)。 首先将数据脉冲(V 16 - V E1 - ,V 16 -V 3 - E3)的振荡信号提供给第一个 部分(66)和第二振动数据脉冲(V→17→E2,V→17→E4) 被提供给第二部分(67),该第一和第二抖动数据脉冲具有相反的幅度。 在设定帧周期期间提供的设置信号(S 1,S 2,S 2,S 3,S 4,S) 减小像素电极(5)处的电压摆动。
    • 53. 发明申请
    • Electrophoretic display and addressing method thereof
    • 电泳显示及其寻址方法
    • US20060290649A1
    • 2006-12-28
    • US10555845
    • 2004-05-04
    • Mark JohnsonGuofu Zhou
    • Mark JohnsonGuofu Zhou
    • G09G3/34
    • G09G3/344G09G2300/08G09G2310/06G09G2310/068G09G2320/02G09G2320/0257
    • An electrophoretic display comprises a matrix of pixels (18) which comprise electrophoretic material (8, 9) being sandwiched between a top electrode (6) and a bottom electrode (5, 5′). An addressing circuit (16, 10) addresses the pixels (18) during an image update period (IUP) by applying drive voltages (VD) between the top electrode (6) and the second electrodes (5, 5′). The drive voltages (VD) having levels in accordance with an image to be displayed on the electrophoretic display. A controller (15) controls the addressing circuit (16, 10) to supply a series of AC-pulses (ACP) between the bottom electrodes (5, 5′) of neighboring pixels (18) to obtain an electric field (LF) being substantially directed in a plane parallel to the bottom electrodes (5, 5′).
    • 电泳显示器包括像素(18)的矩阵,其包括夹在顶部电极(6)和底部电极(5,5')之间的电泳材料(8,9)。 寻址电路(16,10)通过在顶部电极(6)和第二电极(5,5')之间施加驱动电压(VD)来在图像更新周期(IUP)期间寻址像素(18)。 驱动电压(VD)具有与要显示在电泳显示器上的图像相关的电平。 控制器(15)控制寻址电路(16,10)在相邻像素(18)的底部电极(5,5')之间提供一系列AC脉冲(ACP),以获得电场(LF) 基本上指向平行于底部电极(5,5')的平面。
    • 57. 发明申请
    • Check valve
    • 止回阀
    • US20060260703A1
    • 2006-11-23
    • US11248900
    • 2005-10-11
    • Mark Johnson
    • Mark Johnson
    • F16K15/14
    • F16K15/148A61M16/0468Y10T137/7862Y10T137/789Y10T137/7897
    • A check valve made up of a substantially rigid portion and a substantially flexible membrane that is generally dome shaped. The substantially rigid portion includes one or more spokes that meet in the center of the rigid portion and one or more partial spokes extending part way to the center of the rigid portion. The dome shaped, substantially flexible membrane also includes one or more flexible spokes and one or more collapse zones. The completed check valve is made by connecting a center portion of the substantially rigid portion to a center portion of the dome shaped, substantially flexible membrane.
    • 由基本上刚性的部分和基本上柔性的膜构成的止回阀,其通常是圆顶形的。 基本上刚性部分包括一个或多个在刚性部分的中心相交的辐条,以及一个或多个部分轮辐部分地延伸到刚性部分的中心。 圆顶形的基本上柔性的膜还包括一个或多个柔性轮辐和一个或多个倒塌区域。 完成的止回阀通过将基本刚性部分的中心部分连接到圆顶形的基本上柔性的膜的中心部分而制成。
    • 59. 发明申请
    • Electrophoretic display panel
    • 电泳显示面板
    • US20060227407A1
    • 2006-10-12
    • US10556517
    • 2004-05-12
    • Guofu ZhouMasaru YasuiMark Johnson
    • Guofu ZhouMasaru YasuiMark Johnson
    • G02B26/00
    • G09G3/344G09G2310/061G09G2310/068
    • The electrophoretic display panel (1), for displaying a picture and a subsequent picture, has drive means (100) which are arranged for controlling the potential difference picture potential difference having a picture value and an associated picture duration representing a picture energy for bringing the particles (6) from one the positions for displaying the picture, and subsequently to be an inter-picture potential difference for bringing the particles (6) into one of the extreme positions which is closest to the position of the particles (6) for displaying the subsequent picture, and subsequently to be a subsequent picture potential difference for bringing the particles (6) into one of the positions for displaying the subsequent picture. For the display panel (1) to be able to have inter-picture appearances which are at the largest relatively medium visible and in which the dependency on the history due to the charging of the insulators as a result of the picture potential difference is substantially reduced in the subsequent picture update, the drive means (100) are further arranged for controlling for each picture element (2) the inter-picture potential difference to comprise a pull-back potential difference having a pull-back value and an associated pull-back duration representing a pull-back energy, the pull-back value having a sign opposite to a sign of the picture value and the pull-back energy being substantially equal to the picture energy.
    • 用于显示图像和后续图像的电泳显示面板(1)具有驱动装置(100),其被设置用于控制具有图像值的电位差图像电位差和相关联的图像持续时间,其表示用于使 颗粒(6)从用于显示图像的位置中的一个,然后是用于使颗粒(6)进入最接近用于显示的颗粒(6)的位置的极限位置之一的图像间电位差 随后的图像,并且随后成为使颗粒(6)进入用于显示后续图像的位置之一的后续图像电位差。 为了使显示面板(1)能够具有处于最大相对中等可见的图像间外观,并且由于图像电位差而导致由于绝缘体的充电而对历史的依赖性显着降低 在随后的图像更新中,驱动装置(100)还被布置为用于控制每个图像元素(2)的图像间电位差,以包括具有拉回值和相关联的回拉的回拉电位差 表示拉回能量的持续时间,所述拉回值具有与所述图像值的符号相反的符号,并且所述拉回能量基本上等于所述图像能量。
    • 60. 发明申请
    • Electrophoretic display
    • 电泳显示
    • US20060227196A1
    • 2006-10-12
    • US10542992
    • 2004-01-13
    • Guofu ZhouMark Johnson
    • Guofu ZhouMark Johnson
    • B41J2/01
    • G09G3/344G09G5/06G09G2310/06G09G2320/0285G09G2320/029
    • The display device comprises a driver (10, 16) which supplies drive pulses to the pixels (18) to bring the pixels (18) in a predetermined optical state corresponding to image information to be displayed. A controller (15) controls the driver (10, 16) to successively supply a drive pulse (Vni) and a correction pulse (dni). The drive pulse (Vni) has a voltage level that is sufficiently high to bring the electrophoretic particles (8, 9) into a continuously moving state as long as the drive pulse (Vni) is present. Due to the history of the drive of the pixel (18) the desired optical state will usually be reached approximately only. The correction pulse (dni) has a voltage level which is too low for bringing the electrophoretic particles (8, 9) into a continuously moving state, as the drive pulse (Vni) does, but high enough for moving the electrophoretic particles (8, 9) over a relatively small distance with respect to dimensions of the pixels (18). Thus, the correction pulse (dni) causes a relatively small movement of the electrophoretic particles (8, 9) towards an equilibrium state.
    • 显示装置包括驱动器(10,16),驱动器(10,16)向像素(18)提供驱动脉冲以使像素(18)处于与要显示的图像信息相对应的预定光学状态。 控制器(15)控制驱动器(10,16)连续提供驱动脉冲(Vni)和校正脉冲(dni)。 只要驱动脉冲(Vni)存在,驱动脉冲(Vni)具有足够高的电压电平以使电泳粒子(8,9)进入连续移动状态。 由于像素(18)的驱动历史,期望的光学状态通常将仅仅达到。 校正脉冲(dni)的电压水平对于使电泳粒子(8,9)处于连续移动状态来说太低,如驱动脉冲(Vni)所示,但足够高以使电泳粒子(8, 相对于像素(18)的尺寸相对较小的距离。 因此,校正脉冲(dni)使得电泳粒子(8,9)的移动相对较小地朝向平衡状态。