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    • 5. 发明申请
    • Pixel driver circuit
    • 像素驱动电路
    • US20070182671A1
    • 2007-08-09
    • US10554795
    • 2004-09-23
    • Arokia NathanKapil SakariyaPeyman ServatiShahin Jafarabadiashtiani
    • Arokia NathanKapil SakariyaPeyman ServatiShahin Jafarabadiashtiani
    • G09G3/30
    • G09G3/3241G09G3/325G09G3/3266G09G3/3283G09G2300/0417G09G2300/0809G09G2300/0819G09G2300/0842G09G2320/0646H05B33/0896H05B37/0209
    • A pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel drive circuit comprising, switching circuitry, a current mirror having a reference transistor and a drive transistor, the reference transistor and the drive transistor each having a first and second node and a gate, the gate of the reference transistor being connected to the gate of the drive transistor; and a capacitor connected between the gate of the reference transistor and a ground potential, and a load connected between the current mirror and a ground potential, the load having a first load element and a second load element, the first load element being connected to the first node of the reference transistor and the second load element being connected to the first node of the drive transistor.
    • 提供了用于包括多个像素的显示器中的像素电路。 负载平衡电流镜像素电路可以补偿器件劣化和/或失配,并改变环境因素,如温度和机械应变。 像素电路包括像素驱动电路,其包括开关电路,具有参考晶体管和驱动晶体管的电流镜,所述参考晶体管和驱动晶体管各自具有第一和第二节点和栅极,所述参考晶体管的栅极为 连接到驱动晶体管的栅极; 连接在参考晶体管的栅极和接地电位之间的电容器以及连接在电流反射镜和接地电位之间的负载,负载具有第一负载元件和第二负载元件,第一负载元件连接到 参考晶体管的第一节点和第二负载元件连接到驱动晶体管的第一节点。