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    • 21. 发明申请
    • DRIVING AN IN-PLANE PASSIVE MATRIX DISPLAY
    • 驾驶无人机被动矩阵显示
    • US20090091522A1
    • 2009-04-09
    • US12282182
    • 2007-03-06
    • Mark Thomas JohnsonFranciscus Paulus Maria BudzelaarAlwin Rogier Martijn VerschuerenMartinus Hermanus Wilhelmus Maria Van DeldenSander Jurgen RoosendaalMurray Fulton Gillies
    • Mark Thomas JohnsonFranciscus Paulus Maria BudzelaarAlwin Rogier Martijn VerschuerenMartinus Hermanus Wilhelmus Maria Van DeldenSander Jurgen RoosendaalMurray Fulton Gillies
    • G09G3/34
    • G09G3/3446G02F1/1676G09G2300/06
    • 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 (VD1) 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 (VD1) 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 (VD1) 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,通过将颗粒(PA)从储存电极(RE)经由栅电极(GE)移动到显示电极(DE)而将图像写入到像素(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,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排斥性的电平。
    • 22. 发明申请
    • DRIVING AN IN-PLANE MOVING PARTICLE DEVICE
    • 驱动平面内移动颗粒装置
    • US20090066685A1
    • 2009-03-12
    • US12280382
    • 2007-02-14
    • Murray Fulton GilliesAlwin Rogier Martijn VerschuerenMark Thomas JohnsonMartinus Hermanus Wilhelmus Maria Van Delden
    • Murray Fulton GilliesAlwin Rogier Martijn VerschuerenMark Thomas JohnsonMartinus Hermanus Wilhelmus Maria Van Delden
    • G09G3/34
    • G09G3/3446G09G2300/0434G09G2310/068G09G2320/0252
    • An in-plane driven moving particle device comprises a first substrate (SUI) and an moving particle material (EM) comprising charged particles (PA), a first electrode (RE) and a second electrode (GE; DE), both arranged on the first substrate (SUI) for generating a predominantly in-plane electrical field in the moving particle material (EM), and a driver (DR). The driver (DR) supplies, during a transition phase wherein an optical state of the moving particle material (EM) has to change, a first voltage (VR) to the first electrode (RE), and a second voltage (VG; VD1) to the second electrode (GE; DE). Both the first voltage (VR) and the second voltage (VG; VD1) comprise a sequence of a plurality of predetermined levels having predetermined durations, and wherein the first voltage (VR) and/or the second voltage (VG; VD1) have a non-zero average level. The levels, durations and average level are selected for allowing the particles (PA) to move between the first electrode (RE) and second electrode (GE; DE) in opposite directions to change the optical state a plurality of times in opposite directions during the sequence, and to obtain a net movement of the particles during the transition phase in a direction of an electrical field caused by the average level.
    • 平面内驱动的移动粒子装置包括第一衬底(SUI)和包括带电粒子(PA),第一电极(RE)和第二电极(GE; DE)的移动粒子材料(EM) 用于在移动粒子材料(EM)中产生主要为平面内的电场的第一衬底(SUI)和驱动器(DR)。 驱动器(DR)在其中运动粒子材料(EM)的光学状态必须改变的转变阶段期间提供到第一电极(RE)的第一电压(VR)和第二电压(VG; VD1) 到第二电极(GE; DE)。 第一电压(VR)和第二电压(VG; VD1)均包括具有预定持续时间的多个预定电平的序列,并且其中第一电压(VR)和/或第二电压(VG; VD1)具有 非零平均水平。 选择水平,持续时间和平均水平以允许颗粒(PA)在相反方向上在第一电极(RE)和第二电极(GE; DE)之间移动,以在该期间在相反方向上多次改变光学状态 并且在由平均水平引起的电场方向上的过渡阶段期间获得颗粒的净移动。
    • 29. 发明授权
    • LCD with reduced flicker and a method for manufacturing thereof
    • 降低闪烁的LCD及其制造方法
    • US07873250B2
    • 2011-01-18
    • US11816570
    • 2006-02-17
    • Alwin Rogier Martijn Verschueren
    • Alwin Rogier Martijn Verschueren
    • G02F1/1335
    • G02F1/133553G02F1/133555G02F1/13439
    • A liquid crystal display having a plurality of pixels (1), comprising an lower electrode layer (21), a transparent upper electrode layer (13), a liquid crystal layer (10) arranged between the upper and lower electrode layers (13, 21) and an at least partly reflective layer (20, 30), for at least partly reflecting incident light having passed through the liquid crystal layer (10). The reflective layer (20, 30) is electrically isolated from the lower electrode layer (21) and positioned between the liquid crystal layer (10) and the lower electrode layer (21). With this arrangement the DC-component of an electric field in the liquid crystal layer can be eliminated or, at least, considerably reduced, and a flicker-free reflective or transflective LCD thereby realized. Furthermore, flicker is eliminated without having to pay the price of reduced reflectance of the reflective layer and the consequent reduction in display brightness and contrast.
    • 一种具有多个像素(1)的液晶显示器,包括下电极层(21),透明上电极层(13),布置在上电极层和下电极层之间的液晶层(10) )和至少部分反射层(20,30),用于至少部分地反射穿过液晶层(10)的入射光。 反射层(20,30)与下电极层(21)电隔离并位于液晶层(10)和下电极层(21)之间。 通过这种布置,可以消除液晶层中的电场的直流分量,或至少大大降低,从而实现无闪烁的反射或透反射LCD。 此外,消除闪烁,而不必付出反射层的降低的反射率的代价,并因此降低显示亮度和对比度。