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Display device and method for driving the same

專利號
US10867559B2
公開日期
2020-12-15
申請人
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

The display device may further include a light emission control driver that transmits a plurality of light emission control signals to a plurality of light emission control lines, each of the plurality of pixels may be connected to a corresponding light emission control line, and the light emission control driver may simultaneously apply on-level light emission control signals to the plurality of light emission control signal lines.

The step of initializing the gate of the first transistor may further include: when the on-level scan signals are simultaneously applied to the plurality of scan lines, the light emission control driver may simultaneously apply off-level light emission control signals to the plurality of light emission control signal lines; and when the off-level scan signals are simultaneously applied to the plurality of scan lines, the light emission control driver may simultaneously apply on-level light emission control signals to the plurality of light emission control signal lines.

According to the exemplary embodiments, display quality of the display device can be improved.

Further, according to the exemplary embodiments, a display device having high-resolution can be implemented.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention, and together with the description serve to explain the inventive concepts.

權(quán)利要求

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