Canon Kabushiki Kaisha

Shigeki Sasaki

Junri Ishikura

Norihiko Ochi

Naoari Shibata

Masayuki Morohashi

A top emission organic EL element includes a substrate, an insulating layer including a hole portion, a lower electrode, a light emitting layer, a bank surrounding the lower electrode and the light emitting layer, and an upper transparent electrode. The insulating layer, the lower electrode, the light emitting layer, the bank, and the upper transparent electrode are disposed above the substrate. The bank is arranged on the insulating layer so as to surround the hole portion. The lower electrode is configured to cover an inner side of the hole portion and an area, where the bank is not arranged, of an upper surface of the insulating layer, and a thickness at a center area of the lower electrode is 150 nm or more.

Growing community of inventors

Hiratsuka, Japan

Shigeki Sasaki