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Display device and method for driving the same

專利號(hào)
US10867559B2
公開日期
2020-12-15
申請(qǐng)人
Samsung Display Co., Ltd.（KR Yongin-si）
發(fā)明人
Jun Hyun Park; Cheol-Gon Lee; Yang-Hwa Choi
IPC分類
G09G3/3266; G09G3/3225; G09G3/3275; G09G3/3233
技術(shù)領(lǐng)域
voltage,transistor,elvdd,elvdd_l,first,node,scan,level,emission,light
地域： Yongin-si

摘要

A display device including: a scan driver that transmits scan signals to scan lines; a data driver that data signals to data lines; and a display portion that includes pixels, respectively connected to the corresponding scan lines and corresponding data lines, and displays an image by the pixels that simultaneously emit light according to the corresponding data signals, wherein each of pixels includes: an organic light emitting diode; a first transistor that includes a gate connected to a first node, and is connected between first power and an anode of the organic light emitting diode; a second transistor that includes a gate connected to a corresponding scan line and transmits the corresponding data signal to the first node; and a first capacitor that is connected to the first node, and stores a data voltage according to the data signal.

說明書

Here, in the threshold voltage compensation period PB2 of the exemplary embodiments of FIG. 6 and FIG. 7, the first power ELVDD may have a voltage level between the third voltage level ELVDD_H and the first voltage level ELVDD_L, and the voltage may be equal to or different from the second voltage level ELVDD_M.

A voltage V_N1 of the first node N11 and a voltage V_N2 of the second node N12 may correspond to a voltage that is acquired by applying the threshold voltage of the first transistor T11 to the first voltage level ELVDD_H.

Regarding to the data writing period PB3 and the light emission period PB4, pixels may be driven by a method that is substantially the same as the driving method of the pixels shown in FIG. 3, and therefore a redundant description will be omitted.

權(quán)利要求

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