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    • 4. 发明公开
    • PIXEL CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY DEVICE
    • 像素电路及其驱动方法,以及显示装置
    • EP3242290A1
    • 2017-11-08
    • EP15874886.3
    • 2015-08-27
    • BOE Technology Group Co., Ltd.
    • WANG, YanfengSHANG, GuangliangXU, Xiaoling
    • G09G3/36
    • G09G3/3659G09G2300/0819G09G2300/0852G09G2310/0251G09G2310/0262
    • Disclosed are a pixel circuit and a driving method thereof and a display device. The pixel circuit comprises: a selection circuit (P1), a charging and discharging circuit (P2), and a pre-charging circuit (P3). An input end of the selection circuit is connected to a selection signal end, a high level signal end and a low level signal end, and the selection circuit is used for controlling the charging and discharging of a pixel capacitor according to a digital signal input by the selection signal end. An input end of the charging and discharging circuit is connected to signal ends of a same row of gate lines corresponding to the pixel capacitor, and an output end of the charging and discharging circuit is connected to the pixel capacitor, and the charging and discharging circuit is used for charging or discharging the pixel capacitor under the control of the selection circuit. An input end of the pre-charging circuit is connected to signal ends of a previous row of gate lines corresponding to the pixel capacitor, an output end of the pre-charging circuit is connected to the pixel capacitor, and the pre-charging circuit is used for providing a reference voltage. Also disclosed are a driving method for the pixel circuit and a display device comprising the pixel circuit. According to pixel circuit, a digital-to-analogy conversion circuit and an analogy circuit part in the driving IC are omitted, and accordingly the structure of the driving IC is simplified, the size of the driving IC is reduced, and manufacturing cost of the driving IC is lowered.
    • 公开了一种像素电路及其驱动方法和显示装置。 像素电路包括:选择电路(P1),充放电电路(P2)和预充电电路(P3)。 选择电路的输入端连接选择信号端,高电平信号端和低电平信号端,选择电路用于根据输入的数字信号控制像素电容的充放电, 选择信号结束。 充放电电路的输入端连接到与像素电容对应的同一行栅线的信号端,充放电电路的输出端连接像素电容,充放电电路 用于在选择电路的控制下对像素电容充电或放电。 预充电电路的输入端连接对应像素电容的前一行栅线的信号端,预充电电路的输出端连接像素电容,预充电电路为 用于提供参考电压。 还公开了用于像素电路的驱动方法和包括该像素电路的显示装置。 根据像素电路,省略了驱动IC中的数模转换电路和模拟电路部分,因此,驱动IC的结构被简化,驱动IC的尺寸减小,并且制造成本 驱动IC降低。
    • 5. 发明公开
    • PIXEL ARRANGEMENT METHOD, PIXEL RENDERING METHOD AND IMAGE DISPLAY APPARATUS
    • 像素布置方法,像素渲染方法和图像显示装置
    • EP3276598A1
    • 2018-01-31
    • EP15885977.7
    • 2015-07-20
    • BOE Technology Group Co., Ltd.
    • ZHOU, LiLEE, ChungchunWANG, YanfengJIANG, FengWANG, Long
    • G09G3/20
    • G09G3/2003G09G3/3607G09G2300/0443G09G2300/0452G09G2300/0465G09G2330/021G09G2340/0457
    • The present invention relates to a pixel arranging method. A repeating unit consists of a first structural unit and a second structural unit that are repeatedly arranged in the horizontal direction respectively, and are alternately arranged in the vertical direction; the first structural unit and the second structural unit respectively comprises seven sub-pixels, the seven sub pixels includes two sub-pixels of a first color, two sub-pixels of a second color, two sub-pixels of a third color and one sub-pixel of a fourth color; or two sub-pixels of the first color, one sub-pixel of the second color, two sub-pixels of the third color and two sub-pixels of the fourth color. The present invention also relates to a sub-pixel rendering method and an image display device. In case of limited manufacturing processes, the resolution can still be increased, while power consumption can be lowered.
    • 像素排列方法技术领域本发明涉及像素排列方法。 重复单元包括分别在水平方向上重复排列的第一结构单元和第二结构单元,并且在垂直方向上交替排列; 第一结构单元和第二结构单元分别包括七个子像素,七个子像素包括第一颜色的两个子像素,第二颜色的两个子像素,第三颜色的两个子像素和一个子像素 第四颜色的像素; 或第一颜色的两个子像素,第二颜色的一个子像素,第三颜色的两个子像素和第四颜色的两个子像素。 本发明还涉及一种子像素渲染方法和图像显示装置。 在制造工艺有限的情况下,分辨率仍然可以提高,而功耗可以降低。