The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2026
Filed:
Jan. 05, 2022
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Abstract
A highly reliable display device is provided. The display device including a light-emitting element and an insulating layer placed to cover the light-emitting element and the light-emitting element includes a first conductive layer, an EL layer over the first conductive layer, and a second conductive layer over the EL layer and the insulating layer includes a first layer, a second layer over the first layer, and a third layer over the second layer and the first layer has a function of capturing or fixing at least one of water and oxygen, the second layer has a function of inhibiting diffusion of at least one of water and oxygen, and the third layer has a higher concentration of carbon than at least one of the first layer and the second layer.