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    • 2. 发明申请
    • DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    • 显示装置及其驱动方法
    • US20110164025A1
    • 2011-07-07
    • US13052442
    • 2011-03-21
    • Nobuyoshi SAITOTomomasa UedaYujiro Hara
    • Nobuyoshi SAITOTomomasa UedaYujiro Hara
    • G09G5/00
    • G09G3/3233G09G2300/0819G09G2300/0842G09G2320/043H01L51/001H01L51/0011H01L51/56
    • [Problem] By improving the accuracy of compensation for a threshold voltage shift of a driving transistor that controls a current supplied to a current-driven type self light-emitting element, excellent display performance is maintained over an extended period of time.[Solving Means] A pixel circuit includes a driving transistor Dr connected at its drain to a light-emitting element 11 and connected at its source to a power supply line NL; a capacitor Ck connected at its one end to a gate of the driving transistor Dr; a threshold voltage detection transistor Det connected between the drain of the driving transistor Dr and an other end of the capacitor Ck; and a reset transistor Rst connected between the source and gate of the driving transistor Dr. By charging the gate of the driving transistor Dr to a predetermined value through the reset transistor Rst and discharging charge at the other end of the capacitor Ck through the threshold voltage detection transistor Det, a potential difference between both ends of the capacitor Ck is set as a threshold voltage of the driving transistor Dr.
    • [问题]通过提高控制提供给电流驱动型自发光元件的电流的驱动晶体管的阈值电压偏移的补偿精度,能够在延长的时间段内保持优异的显示性能。 [解决方案]像素电路包括在其漏极连接到发光元件11并在其源极处连接到电源线NL的驱动晶体管Dr; 在其一端连接到驱动晶体管Dr的栅极的电容器Ck; 连接在驱动晶体管Dr的漏极和电容器Ck的另一端之间的阈值电压检测晶体管Det; 以及连接在驱动晶体管Dr的源极和栅极之间的复位晶体管Rst通过复位晶体管Rst将驱动晶体管Dr的栅极充电至预定值,并通过阈值电压对电容器Ck的另一端放电电荷 检测晶体管Det,将电容器Ck的两端之间的电位差设定为驱动晶体管Dr的阈值电压
    • 3. 发明授权
    • Magnetic memory
    • 磁记忆
    • US07848136B2
    • 2010-12-07
    • US12100969
    • 2008-04-10
    • Hisanori AikawaTomomasa UedaTatsuya KishiTakeshi KajiyamaYoshiaki AsaoHiroaki Yoda
    • Hisanori AikawaTomomasa UedaTatsuya KishiTakeshi KajiyamaYoshiaki AsaoHiroaki Yoda
    • G11C11/15
    • G11B5/39
    • It is possible to reduce writing current without causing fluctuation of the writing characteristic. A magnetic memory includes: a magnetoresistance effect element having a magnetization pinned layer whose magnetization direction is pinned, a storage layer whose magnetization direction is changeable, and a non-magnetic layer provided between the magnetization pinned layer and the storage layer; and a first wiring layer which is electrically connected to the magnetoresistance effect element and extends in a direction substantially perpendicular to a direction of an easy magnetization axis of the storage layer, an end face of the magnetoresistance effect element substantially perpendicular to the direction of the easy magnetization axis of the storage layer and an end face of the first wiring layer substantially perpendicular to the direction of the easy magnetization axis being positioned on the same plane.
    • 可以减小写入电流而不引起写入特性的波动。 磁存储器包括:磁阻效应元件,具有其磁化方向被钉扎的磁化钉扎层,其磁化方向可变的存储层和设置在磁化钉扎层与存储层之间的非磁性层; 以及第一布线层,其电连接到所述磁阻效应元件并且沿着与所述存储层的容易磁化轴方向大致垂直的方向延伸,所述磁阻效应元件的端面基本上垂直于所述容易的方向 存储层的磁化轴和基本上垂直于易磁化轴的方向的第一布线层的端面位于同一平面上。
    • 10. 发明申请
    • Magnetic memory
    • 磁记忆
    • US20050141148A1
    • 2005-06-30
    • US11000093
    • 2004-12-01
    • Hisanori AikawaTomomasa UedaTatsuya KishiTakeshi KajiyamaYoshiaki AsaoHiroaki Yoda
    • Hisanori AikawaTomomasa UedaTatsuya KishiTakeshi KajiyamaYoshiaki AsaoHiroaki Yoda
    • G11B5/33G11B5/39
    • G11B5/39
    • It is possible to reduce writing current without causing fluctuation of the writing characteristic. A magnetic memory includes: a magnetoresistance effect element having a magnetization pinned layer whose magnetization direction is pinned, a storage layer whose magnetization direction is changeable, and a non-magnetic layer provided between the magnetization pinned layer and the storage layer; and a first wiring layer which is electrically connected to the magnetoresistance effect element and extends in a direction substantially perpendicular to a direction of an easy magnetization axis of the storage layer, an end face of the magnetoresistance effect element substantially perpendicular to the direction of the easy magnetization axis of the storage layer and an end face of the first wiring layer substantially perpendicular to the direction of the easy magnetization axis being positioned on the same plane.
    • 可以减小写入电流而不引起写入特性的波动。 磁存储器包括:磁阻效应元件,具有其磁化方向被钉扎的磁化钉扎层,其磁化方向可变的存储层和设置在磁化钉扎层与存储层之间的非磁性层; 以及第一布线层,其电连接到所述磁阻效应元件并且沿着与所述存储层的容易磁化轴方向大致垂直的方向延伸,所述磁阻效应元件的端面基本上垂直于所述容易的方向 存储层的磁化轴和基本上垂直于易磁化轴的方向的第一布线层的端面位于同一平面上。