Light-emitting device and manufacturing method thereof

US11283040B2 · kind B2 · utility

Inventors

• Pei JIANG · Tainan, TW
• Chiayu Lee · Nanhu, CN
• Chunche HSU · Wenli, CN
• Shujhih Chen · Nanhu, CN
• Bo He · Albany, US
• Yongwei Wu · Longbeilingcun, CN
• Yongming YIN · Lo Wu, CN
• Miao DUAN · Lo Wu, CN

Key dates

• Filing date: Dec 20, 2019
• Grant date: Mar 22, 2022
• Expiry date: May 23, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K71/12

Abstract

A light-emitting device and a manufacturing method thereof are provided. The light-emitting device includes an anode, a luminous layer, and a cathode, which are disposed in a stacked manner, and a material of the luminous layer includes a perovskite material. A first transport layer is further provided between the luminous layer and the anode, and the first transport layer is configured to transport holes. Alternatively, a second transport layer is further provided between the cathode and the luminous layer, and the second transport layer is configured to transport electrons.