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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

Hereinafter, embodiments of the invention will be described with reference to the accompanying drawings. The embodiments illustrate one aspect of the invention, do not limit the invention, and can be arbitrarily modified within the technical gist of the invention. In addition, in each drawing below, each layer and each portion are illustrated in a size which can be recognized in the drawing, and thus the dimensions of each layer and each portion are made to be different from actual dimensions.

First Embodiment

Outline of Organic EL Apparatus

An organic EL apparatus 100 according to the first embodiment is an example of a light emitting device, and includes an optical resonance structure in which it is possible to enhance the color purity of display light.

First, the outline of the organic EL apparatus 100 according to the embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is a schematic plane view illustrating the configuration of the organic EL apparatus, FIG. 2 is an equivalent circuit diagram illustrating the electrical configuration of the organic EL apparatus, and FIG. 3 is a schematic plane view illustrating a characteristic portion of the light emitting pixels.

Meanwhile, FIG. 3 illustrates components which are necessary to describe the characteristic portion of the light emitting pixels and does not illustrate the other components. In addition, in FIG. 3, two-dot dashed lines show the outlines of the light emitting pixels 20.

權(quán)利要求

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