Organic light emitting display device and organic light emitting display apparatus

US10566577B2 · kind B2 · utility

Assignees

• Shanghai Tianma AM-OLED Co., Ltd. · CN
• TIANMA MICROELECTRONICS CO., LTD. · CN

Inventors

• Yinhe Liu · Shanghai, CN
• Wei He · Beijing, CN
• Xiangcheng Wang · Shanghai, CN
• Yuji Hamada · Tokyo, JP
• Jinghua Niu · Shanghai, CN
• Qing-Man Zhu · Kunshan, CN

Key dates

• Filing date: Jun 8, 2017
• Grant date: Feb 18, 2020
• Expiry date: Jul 11, 2037

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/3026

Abstract

An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.