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:
Oct. 14, 2025
Filed:
Apr. 20, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Yusuke Fukuchi, Oita, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A light emitting device in which pixels are arranged is provided. Each of the pixels includes an organic layer including a light emitting layer, a reflective layer arranged between the main surface and the organic layer, a first insulator arranged between the reflective layer and the organic layer, a transmission electrode arranged between the first insulator and the organic layer, and a second insulator arranged so as to cover a peripheral edge portion of the transmission electrode while including an opening portion that exposes a part of the transmission electrode. A groove extending through the first insulator is provided between the peripheral edge portion of the transmission electrode and the reflective layer, the transmission electrode is electrically connected to the reflective layer in the groove, and the second insulator includes a recess portion in a portion covering the groove.