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Compensation method of pixel circuit in organic light-emitting diode display panel and related devices

專利號(hào)
US10867549B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
BOE Technology Group Co., Ltd.(CN Beijing)
發(fā)明人
Minghua Xuan
IPC分類
G09G3/3208
技術(shù)領(lǐng)域
voltage,pixel,transistor,emitting,display,signal,in,circuit,frame,driver
地域: Beijing

摘要

The disclosure discloses a compensation method and device of an organic light-emitting diode display panel, and an organic light-emitting diode display device. A high-voltage signal received at a first electrode of a driver transistor in the pixel circuit is detected when a light-emitting element in the pixel circuit is emitting light in the current frame. Then the voltage difference between the high-voltage signals received by the driver transistor in the current frame and a preceding frame, i.e., compensation voltage, is determined according to the detected high-voltage signal received by the pixel circuit in the current frame, and the pre-stored high-voltage signal received by the pixel circuit in the preceding frame. When the compensation voltage lies out of a preset range, voltage compensation is performed on a reference voltage signal applied to the pixel circuit according to the compensation voltage.

說(shuō)明書

The step S103 is to perform voltage compensation on a reference voltage signal applied to the corresponding pixel circuit according to the compensation voltage when the compensation voltage lies out of a preset range.

In the compensation method above of the organic light-emitting diode display panel according to the embodiment of the disclosure, a high-voltage signal received at the first electrode of the driver transistor in the pixel circuit is detected when the light-emitting element in the pixel circuit is emitting light in the current frame, where the high-voltage signal is a signal used by the driver transistor to generate current in the current frame to drive the light-emitting element connected with the driver transistor to emit light. Then the voltage difference between the high-voltage signal received by the driver transistor in the current frame, and the high-voltage signal received by the driver transistor in the preceding frame, i.e., compensation voltage, is determined according to the detected high-voltage signal received by the pixel circuit in the current frame, and the pre-stored high-voltage signal received by the pixel circuit in the preceding frame. Voltage compensation is performed on a reference voltage signal applied to the pixel circuit according to the compensation voltage when the compensation voltage lies out of a preset range, so that the problem of crosstalk between moving images when a user is touching on the images can be alleviated to thereby improve a display effect of the images.

權(quán)利要求

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