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Display apparatus including connecting electrode layer

專利號
US12082461B2
公開日期
2024-09-03
申請人
Samsung Display Co., Ltd.（KR Yongin-si）
發(fā)明人
Seunghwan Cho; Jiryun Park; Seokje Seong; Inhyuck Yeo; Wonsuk Choi; Yoonsun Choi
IPC分類
H01L27/14; G09G3/3283; H10K59/121; H10K59/131; H01L27/12; H01L29/786
技術(shù)領(lǐng)域
wiring,line,connection,layer,may,gate,electrode,first,dv3,dv1
地域： Yongin-si

摘要

A display apparatus includes a first semiconductor layer disposed on a substrate; a first gate layer disposed on the first semiconductor layer, the first gate layer including a driving gate electrode; a second gate layer disposed on the first gate layer, the second gate layer including a capacitor upper electrode; a first connecting electrode layer disposed on the second gate layer, the first connecting electrode layer including a transfer wiring; a second connecting electrode layer disposed on the first connecting electrode layer, the second connecting electrode layer including a horizontal connection wiring extending in a first direction; and a third connecting electrode layer disposed on the second connecting electrode layer, the third connecting electrode layer including a vertical connection wiring extending in a second direction that intersects the first direction.

說明書

FIG. 6 is an equivalent circuit diagram of a pixel P included in the display apparatus of FIG. 1. As shown in FIG. 6, the pixel P includes a pixel circuit PC and an organic light-emitting diode OLED electrically connected to the pixel circuit PC.

The pixel circuit PC, as shown in FIG. 6, may include thin-film transistors T1 to T7 and a storage capacitor Cst. The thin-film transistors T1 to T7 and the storage capacitor Cst may be electrically connected to signal lines SL1, SL2, SLp, SLn, EL, and DL, a first initialization voltage line VL1, a second initialization voltage line VL2, and a driving voltage line PL. At least one of the lines, e.g., the driving voltage line PL, may be shared by neighboring pixels P.

The thin-film transistors T1 to T7 may include a driving transistor T1, a switching transistor T2, a compensation transistor T3, a first initialization transistor T4, an operation control transistor T5, an emission control transistor T6, and a second initialization transistor T7.

The organic light-emitting diode OLED may include a first electrode (e.g., a pixel electrode) and a second electrode (e.g., an opposite electrode), and the first electrode of the organic light-emitting diode OLED is electrically connected to the driving transistor T1 by the emission control transistor T6 to receive a driving current, and the second electrode may receive a second power voltage ELVSS. The organic light-emitting diode OLED may generate light of a luminance corresponding to the driving current.

權(quán)利要求

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