Display device with dummy pixel located in peripheral area

US12317731B2 · kind B2 · utility

Assignee

• Japan Display Inc. · JP

Inventors

• Sho YANAGISAWA · Tokyo, JP
• Tetsuo Morita · Minato, JP
• Kenji Harada · Kasai, JP
• Hiroshi TABATAKE · Saitama, JP
• Hideyuki Takahashi · Yokohama, JP

Key dates

• Filing date: Nov 16, 2021
• Grant date: May 27, 2025
• Expiry date: Mar 28, 2044

Classification

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

Abstract

According to one embodiment, a display device includes a base, a first insulating layer, a first pixel electrode on the first insulating layer in a pixel, a second pixel electrode on the first insulating layer in a dummy pixel, a second insulating layer on the first insulating layer, a first organic layer in the pixel and in contact with the first pixel electrode, a second organic layer in the dummy pixel, a partition wall on the second insulating layer and between the organic layers and a common electrode covering the organic layers and the partition wall. An end portion of the first organic layer is in contact with a side surface of the partition wall.