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Display panel and display device including partition wall

專利號(hào)
US11805674B2
公開(kāi)日期
2023-10-31
申請(qǐng)人
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.（JP Atsugi）
發(fā)明人
Daiki Nakamura; Nozomu Sugisawa
IPC分類
H10K50/85; H10K50/86; H10K50/84; H10K59/00; H10K59/12; H01L33/44; H05B33/22; G09F9/30; H10K50/856; H10K50/828; H10K50/844; H10K59/90; H10K50/818; H10K59/123
技術(shù)領(lǐng)域
display,layer,insulating,light,electrode,region,in,panel,emitting,visible
地域： Atsugi

摘要

A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element. The second display region includes a portion overlapping with the second light-emitting element and a portion overlapping with the visible-light-transmitting region.

說(shuō)明書

FIG. 12(A) is a cross-sectional view of a display panel 370F. FIG. 12(B) is a cross-sectional view of a display panel 370G. FIGS. 12(A) and 12(B) correspond to cross-sectional views along dashed-dotted line C3-C4 in FIG. 5(A). Description of portions in common with the display panel 370A is omitted.

As illustrated in FIGS. 12(A) and 12(B), the display panels 370F and 370G each include the substrate 361, the bonding layer 363, the insulating layers 365 and 367, the conductive layer 358, the insulating layer 314, the light-emitting element 110, the insulating layer 104, the protective layer 105, the partition wall 118, the bonding layer 317, the substrate 371, and the like.

The light-emitting element 110 includes the pixel electrode 111, the EL layer 112, and the common electrode 113a. The pixel electrode 111 is provided over the insulating layer 314, the EL layer 112 is provided over the pixel electrode 111, and the common electrode 113a is provided over the EL layer 112. The pixel electrode 111 has a function of transmitting visible light. The common electrode 113a has a function of reflecting visible light. The light-emitting element 110 emits light to the substrate 361 side.

權(quán)利要求

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