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    • 1. 发明申请
    • GATE DRIVING CIRCUIT, DISPLAY APPARATUS HAVING THE SAME, AND METHOD THEREOF
    • 门控驱动电路,具有该门电路的显示装置及其方法
    • US20080100560A1
    • 2008-05-01
    • US11928466
    • 2007-10-30
    • Byoung-Sun NADong-Hyeon KIMin-Cheol LEESoon-Il AHN
    • Byoung-Sun NADong-Hyeon KIMin-Cheol LEESoon-Il AHN
    • G09G3/36
    • G11C19/28G09G3/3677G09G2320/0219G09G2320/041
    • In a gate driving circuit and a display apparatus having the gate driving circuit, a pull-up transistor of a present stage among plural stages, which are connected one after another to each other and sequentially output a gate signal, pulls up a present gate signal output through an output terminal to a gate-on voltage. A buffer transistor is connected to a control terminal of the pull-up transistor to receive a previous output signal from a previous stage and to turn on the pull-up transistor. The buffer transistor has a chargeability that is about two times or greater than the chargeability of the pull-up transistor. Thus, the size of the pull-up transistor may be reduced, thereby preventing a malfunction of the gate driving circuit when the gate driving circuit is operated under conditions of high temperature or low temperature.
    • 在具有栅极驱动电路的栅极驱动电路和显示装置中,将多个相互依次连接并依次输出栅极信号的多级中的当前级的上拉晶体管拉起当前的栅极信号 通过输出端子输出到栅极导通电压。 缓冲晶体管连接到上拉晶体管的控制端,以接收来自前一级的先前输出信号并接通上拉晶体管。 缓冲晶体管具有的电荷率约为上拉晶体管的充电能力的两倍或更大。 因此,可以减小上拉晶体管的尺寸,从而当栅极驱动电路在高温或低温条件下工作时,防止栅极驱动电路的故障。
    • 5. 发明申请
    • Liquid Crystal Display
    • 液晶显示器
    • US20100045884A1
    • 2010-02-25
    • US12537143
    • 2009-08-06
    • Soon-Il AHNDong-Gyu KIMHye-Seok NA
    • Soon-Il AHNDong-Gyu KIMHye-Seok NA
    • G09G3/36G02F1/133
    • G02F1/13624G02F1/133707G02F2001/134345G02F2001/13606G02F2001/13712G02F2201/40G09G3/3648G09G2300/0426G09G2300/0443G09G2300/0447G09G2300/0465G09G2300/0876G09G2320/0233G09G2320/028
    • A liquid crystal display according to an embodiment includes a gate line extending in a first direction, a data line intersecting the gate line and extending in a second direction, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the data line, a first subpixel electrode connected to the first switching element and having a first voltage, and a second subpixel electrode connected to the second switching element and having a second voltage. The difference between the first voltage and a common voltage is larger than the difference between the second voltage and the common voltage, and the shortest distance between the first subpixel electrode and the data line is larger than the shortest distance between the second subpixel electrode and the data line. Accordingly, a variation of luminance due to parasitic capacitance between the pixel electrode and the data line may be reduced, and the aperture ratio may be increased.
    • 根据实施例的液晶显示器包括沿第一方向延伸的栅极线,与栅极线相交并沿第二方向延伸的数据线,连接到栅极线和数据线的第一开关元件,第二开关元件 连接到栅极线和数据线,连接到第一开关元件并具有第一电压的第一子像素电极,以及连接到第二开关元件并具有第二电压的第二子像素电极。 第一电压和公共电压之间的差大于第二电压和公共电压之间的差,第一子像素电极和数据线之间的最短距离大于第二子像素电极与第二子像素电极之间的最短距离 数据线。 因此,由于像素电极和数据线之间的寄生电容引起的亮度变化可能降低,并且可以增加开口率。