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Light-emitting element and light-emitting device

專利號
US12219788B2
公開日期
2025-02-04
申請人
SHARP KABUSHIKI KAISHA（JP Sakai）
發(fā)明人
Kenji Kimoto
IPC分類
H01L51/50; H10K50/11; H10K50/15; H10K50/16; H10K101/40; H10K102/00
技術(shù)領(lǐng)域
oxide,layer,emitting,74b,74a,light,124b,124a,electrode,24c
地域： Osaka

摘要

A light-emitting element includes: a first electrode serving as an anode; a second electrode serving as a cathode; a light-emitting layer, of a first wavelength range, provided between the first electrode and the second electrode; an oxide layer provided between the light-emitting layer of the first wavelength range and the first electrode of the first electrode and the second electrode; and an oxide layer provided between the oxide layer and the second electrode, and having contact with the oxide layer. Either the oxide layer or the oxide layer whichever farther away from the light-emitting layer of the first wavelength range is made of a semiconductor. A density of oxygen atoms in the oxide layer is lower than a density of oxygen atoms in the oxide layer.

說明書

In the light-emitting element according to any one of the first to fifty seventh aspect, the light-emitting layer contains a quantum-dot phosphor.

Fifty Ninth Aspect

A light-emitting device includes the light-emitting element according to any one of the first to fifty eighth aspects.

Sixtieth Aspect

A display device includes the light-emitting element according to any one of the first to fifty eighth aspects provided on a substrate.

Sixty First Aspect

A lighting device includes the light-emitting element according to any one of the first to fifty eighth aspects provided on a substrate.

ADDITIONAL REMARKS

The present disclosure shall not be limited to the embodiments described above, and can be modified in various manners within the scope of claims. The technical aspects disclosed in different embodiments are to be appropriately combined together to implement another embodiment. Such an embodiment shall be included within the technical scope of the present disclosure. Moreover, the technical aspects disclosed in the embodiments may be combined to achieve a new technical feature.

INDUSTRIAL APPLICABILITY

The present disclosure is applicable to a light-emitting element and a light-emitting device.

權(quán)利要求

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