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    • 1. 发明公开
    • RAMP SIGNAL GENERATION CIRCUIT AND SIGNAL GENERATOR, ARRAY SUBSTRATE AND DISPLAY DEVICE
    • RAMPENSIGNALGENERATORSCHALTUNG UND SIGNALGENERATOR,ARRAYSUBSTRAT UND ANZEIGEVORRICHTUNG
    • EP3086309A4
    • 2017-08-09
    • EP14863036
    • 2014-04-28
    • BOE TECHNOLOGY GROUP CO LTD
    • DUAN LIYEWANG LIRONGWU ZHONGYUAN
    • H03K4/48G09G3/20H03K4/02H03K4/90
    • H03K4/48G09G3/20G09G2300/0408G09G2310/0259G09G2310/0264G09G2310/066H03K4/026H03K4/90
    • A ramp signal generating circuit and ramp signal generator, an array substrate and a display apparatus. The ramp signal generating circuit comprises a first shift register (11), a second shift register possessing a bidirectional scanning function (12), a voltage decreasing unit (13) and a sampling unit (14); the voltage decreasing unit (13) is connected to a power supply input terminal and a ground terminal and is configured to continuously decrease a voltage inputted from the power supply input terminal stage by stage; the first shift register (11) is connected to the voltage decreasing unit (13) and is configured to control the voltage decreasing unit (13) to output voltages which are decreased continuously stage by stage; the sampling unit (14) has an output terminal and is connected to the voltage decreasing unit (13); the second shift register (12) is connected to the sampling unit (14) and is configured to control, through bidirectional scanning, the sampling unit (13) to sample and output the voltages which are decreased continuously stage by stage by the voltage decreasing unit (13). Such ramp signal generating circuit is capable of reducing area of the ramp signal generating circuit and improving linearity of ramp signal.
    • 斜坡信号生成电路和斜坡信号生成器,阵列基板和显示装置。 斜坡信号发生电路包括第一移位寄存器11,具有双向扫描功能12的第二移位寄存器,降压单元13和采样单元14; 电压降低单元(13)连接到电源输入端和接地端,并且被配置为逐级地连续降低从电源输入端输入的电压; 所述第一移位寄存器11连接所述降压单元13,用于控制所述降压单元13输出逐级下降的电压; 采样单元(14)具有输出端,并与降压单元(13)连接; 所述第二移位寄存器12与所述采样单元14相连,用于通过双向扫描控制所述采样单元13采样并输出由所述降压单元逐级连续降低的电压, (13)。 这样的斜坡信号生成电路能够减小斜坡信号生成电路的面积并且改善斜坡信号的线性。