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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
技術領域
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

According to this application example, there is provided a light emitting device including: a transistor; a light reflection layer which is provided on an upper side of the transistor; a first insulation layer that covers the light reflection layer, and includes a first layer thickness part, a second layer thickness part which is thicker than the first layer thickness part, and a third layer thickness part which is thicker than the second layer thickness part; a pixel electrode that is provided on the first insulation layer, and has optical transparency; a second insulation layer that covers a peripheral section of the pixel electrode; a light emission functional layer that covers the pixel electrode and the second insulation layer; a facing electrode that covers the light emission functional layer, and has light reflexivity and the optical transparency; and a conductive layer that is provided on the first layer thickness part, and includes at least a part which is superimposed on the pixel electrode in a plane view. 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.

權利要求

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