阅读说明：本技术 像素电路及其驱动方法、显示装置及其驱动方法 (Pixel circuit and driving method thereof, display device and driving method thereof ) 是由 于子阳 王铸 胡晟 刘天良 刘果 于 2020-03-31 设计创作，主要内容包括：本公开实施例提供了一种像素电路,包括：布置成矩阵的多个像素单元,每个像素单元包括发光元件和用于驱动发光元件发光的像素驱动电路,像素驱动电路与发光元件电连接于第一节点；第一补偿子电路,电连接到多个像素单元中的每个像素驱动电路,第一补偿子电路配置为向像素驱动电路提供初始化信号,以及经由像素驱动电路获取发光元件发光时第一节点的电压并基于第一节点的电压生成补偿数据信号；以及第二补偿子电路,电连接到多个像素单元中的每个像素驱动电路,配置为使第一节点的电压始终保持在发光元件的设定的工作电压范围内；其中,像素驱动电路还被配置为基于初始化信号对第一节点进行初始化,以及利用补偿数据信号驱动发光元件发光。(The disclosed embodiment provides a pixel circuit, including: a plurality of pixel units arranged in a matrix, each pixel unit including a light emitting element and a pixel driving circuit for driving the light emitting element to emit light, the pixel driving circuit being electrically connected to the light emitting element at a first node; a first compensation sub-circuit electrically connected to each of the pixel driving circuits in the plurality of pixel units, the first compensation sub-circuit configured to supply an initialization signal to the pixel driving circuits, and to acquire a voltage of a first node when the light emitting element emits light via the pixel driving circuits and generate a compensation data signal based on the voltage of the first node; and a second compensation sub-circuit electrically connected to each of the pixel driving circuits in the plurality of pixel units, configured to maintain a voltage of the first node within a set operating voltage range of the light emitting element at all times; wherein the pixel driving circuit is further configured to initialize the first node based on the initialization signal and drive the light emitting element to emit light using the compensation data signal.)