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Light emitting device and electronic equipment including a light reflection layer, an insulation layer, and a plurality of pixel electrodes

專利號
US12178080B2
公開日期
2024-12-24
申請人
SEIKO EPSON CORPORATION（JP Tokyo）
發(fā)明人
Takeshi Koshihara; Ryoichi Nozawa
IPC分類
H10K59/121; H10K50/00; H10K50/805; H10K50/818; H10K50/824; H10K50/852; H10K50/856; H10K59/12; H10K59/123; H10K59/124; H10K59/126; H10K59/30; H10K59/35; H10K59/38; H10K102/00
技術(shù)領(lǐng)域
insulation,electrode,pixel,film,light,layer,emission,emitting,in,relay
地域： Tokyo

摘要

A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.

說明書

The first insulation layer 28 of the light emitting pixel 20G, in which green color (G) light emission is acquired, includes the first insulation film 25 and the second insulation film 26, and has a film thickness Gd1. Further, in the light emitting pixel 20G, the first insulation layer 28 which has the film thickness Gd1 is provided to reach the contact area from the opening 29G (light emission area) except the contact area in which the relay electrode 106G is connected to the pixel electrode 31G. The first insulation layer 28, which has the film thickness Gd1, is provided over the plurality of light emitting pixels 20G which are arranged in the Y direction. In addition, in other words, a plurality of openings 29G (light emission area), which are arranged in the Y direction, are provided in the second area 28G. In addition, a contact area, in which the relay electrode 106G is connected to the pixel electrode 31G, is provided in the second area 28G. As shown in FIG. 5, the pixel electrode 31G is connected to the relay electrode 106G through a contact hole 28CT1 in the contact area.

權(quán)利要求

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