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Display device and method for manufacturing display device

專利號(hào)
US12052892B2
公開日期
2024-07-30
申請(qǐng)人
Samsung Display Co., Ltd.（KR Yongin-Si）
發(fā)明人
Joung-Keun Park; Ki Wan Ahn; Joo Sun Yoon
IPC分類
H10K59/38; H10K50/813; H10K59/121; H10K59/122; H10K59/131
技術(shù)領(lǐng)域
electrode,layer,gate,capacitor,drain,first,second,pixel,177a,177b
地域： Yongin-Si

摘要

A display device includes: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion including all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.

說明書

As illustrated in FIGS. 34 and 35, a first electrode 191 is formed on the second interlayer insulating layer 180. The first electrode 191 is formed throughout one pixel area which is surrounded by two adjacent gate lines 121, the data line 171, the driving voltage line 172, and the like. Further, an edge of the first electrode 191 may overlap the two adjacent gate lines 121, the data line 171, and the driving voltage line 172.

Referring to FIGS. 36 and 37, a pixel defining layer 195 is formed on the first electrode.

The pixel defining layer 195 is formed to overlap the gate line 121, the data line 171, the driving voltage line 172, the first gate electrode 154a, the second gate electrode 154b, the first source electrode 176a and the first drain electrode 177a, the second source electrode 176b and the second drain electrode 177b, and the like, which are formed as opaque layers.

According to a manufacturing method of a display device according to another exemplary embodiment of the present invention, an additional opaque layer may be further formed in addition to the gate line 121, the driving voltage line 172, the first gate electrode 154a, the second gate electrode 154b, the first source electrode 176a and the first drain electrode 177a, and the second source electrode 176b and the second drain electrode 177b, and in this case, the pixel defining layer 195 may be formed over this additional opaque layer as well.

權(quán)利要求

1
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