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US 2019/0096327 A1Published application
Pixel circuit, method for driving the same, display panel, and display device
AssigneeBoe Technology Group Co., Ltd.
InventorsKuanjun PENG, Xiangxiang ZOU, Chengchung YANG
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Abstract
Disclosed are a pixel circuit, a method for driving the same, a display panel, and a display device, and in the pixel circuit, a node reset sub-circuit resets a gate of a driver transistor in a first reset stage, a data writing sub-circuit writes a data signal, and compensates for drifting threshold voltage of the driver transistor, in a data writing stage, and a light-emission control sub-circuit connects a first voltage terminal with a light-emitting diode in a light emission stage.
Claims16
A pixel circuit, comprising:
- a driver transistor, a data writing sub-circuit, a light-emission control sub-circuit, a node reset sub-circuit, and a light-emitting diode, wherein:
- the node reset sub-circuit is configured to reset a gate of the driver transistor in response to a first scan signal terminal in a first reset stage;
- the data writing sub-circuit is configured to write a data signal of a data signal terminal into the gate of the driver transistor, and to compensate threshold voltage of the driver transistor, in response to a second scan signal terminal in a data writing stage;
- the light-emission control sub-circuit is configured to provide a first electrode of the driver transistor with a signal of a first voltage terminal in response to a first light-emission control terminal in the first reset stage and a light emission stage;
- and to connect a second electrode of the driver transistor with an anode of the light-emitting diode in response to a second light-emission control terminal in a light emission stage;
- the driver transistor is configured to drive current according to the data signal to drive the light-emitting diode to emit light;
- and
- the first reset stage, the data writing stage, and the light emission stage are consecutive periods of time.
5 more elements
Dependencies are inferred from the claim text.