EL display device and method for manufacturing EL display device

US10347862B2 · kind B2 · utility

Assignee

• SHARP KABUSHIKI KAISHA · JP

Inventors

• Tohru Sonoda · Osaka, JP
• Takeshi Hirase · Sakai, JP
• Tetsuya Okamoto · Osaka, JP
• Tohru Senoo · Sakai, JP
• Mamoru Ishida · Sakai, JP

Key dates

• Filing date: Apr 5, 2016
• Grant date: Jul 9, 2019
• Expiry date: May 28, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/131

Abstract

An organic EL display device (1) includes: a plurality of organic EL elements (30) each including a lower electrode (31), an EL layer (32), and an upper portion (33); and a sealing layer (40) covering the plurality of organic EL elements (30), the organic EL display device (1) having, in a non-light-emitting portion (5) of a display region (2), at least one contact hole (34) extending through at least the upper electrode (33) and the EL layer (32) and allowing the sealing layer (40) to be in contact with a surface of a layer below the organic EL layer (32).