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Display device and method for manufacturing display device

專利號
US12052892B2
公開日期
2024-07-30
申請人
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

The color filter 230 may not be formed in a region overlapping transistors Qs and Qd, and may be formed throughout one pixel area. The color filters 230 may not be formed in at least some of the pixel areas among a plurality of pixel areas, and the pixel areas where the color filters 230 are not formed may display white.

A fourth interlayer insulating layer 180b is formed on the third interlayer insulating layer 180a and color filter 230.

The third interlayer insulating layer 180a and the fourth interlayer insulating layer 180b have a second contact hole 82 exposing a second drain electrode 177b.

A first electrode 191 is formed on the fourth interlayer insulating layer 180b. The first electrode 191 may be an anode.

The first electrode 191 is connected with the second drain electrode 177b through the second contact hole 82.

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.

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