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Display apparatus having pixel electrodes arranged on a planarization layer

專利號
US12133423B2
公開日期
2024-10-29
申請人
Samsung Display Co., Ltd.(KR Yongin-si)
發(fā)明人
Hyeonbum Lee; Jinwhan Jung
IPC分類
H10K59/123; H10K50/86; H10K59/122; H10K59/38; H10K59/40
技術(shù)領(lǐng)域
pixel,layer,electrode,subpixel,may,transistor,first,film,thin,third
地域: Yongin-si

摘要

A display apparatus includes first and second subpixel electrodes on a planarization layer including first and second via holes. The first subpixel includes a first pixel definition layer including a first opening exposing a portion of a first pixel electrode corresponding to a first emission portion. The first pixel electrode is connected to a first pixel circuit through the first via hole. The second subpixel includes a second pixel definition layer including a second opening exposing a portion of a second pixel electrode corresponding to a second emission portion. The second pixel electrode is connected to a second pixel circuit through the second via hole. A second distance defined as a shortest distance from an inner surface of the second opening to the second via hole is greater than a first distance defined as a shortest distance from an inner surface of the first opening to the first via hole.

說明書

Referring to FIG. 5, subpixels Pb, Pg, and/or Pr may include a pixel circuit PC_1 and an organic light emitting diode OLED connected to the pixel circuit PC_1. The pixel circuit PC_1 may include a plurality of thin film transistors and a storage capacitor. The thin film transistors and the storage capacitor may be connected to signal lines SL, SL?1, EL, and DL, an initialization voltage line VL, and a driving voltage line PL.

Although FIG. 5 illustrates that each subpixel Pb, Pg, and Pr is connected to the signal lines SL, SL?1, EL, and DL, the initialization voltage line VL, and the driving voltage line PL, embodiments are not limited thereto. In some exemplary embodiments, at least one of the signal lines SL, SL?1, EL, and DL, the initialization voltage line VL, the driving voltage line PL, and/or the like may be shared by adjacent pixels/subpixels.

權(quán)利要求

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