Method of preparing quantum dot layer, QLED display device having the quantum dot layer and method of preparing the same

US9780257B1 · kind B1 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Xiaona Xu · Beijing, CN
• Tian Yang · 红钢城街道, CN
• Biao Tian · Beijing, CN
• Zhao Kang · Beijing, CN
• Xiaoyan Zhu · Shanghai, CN
• Ning Chen · Jiaocheng District, CN
• Xiang Zhou · Beijing, CN

Key dates

• Filing date: Jul 29, 2016
• Grant date: Oct 3, 2017
• Expiry date: Jul 29, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/0364

Abstract

A method of preparing a quantum dot layer, including: placing an anodic aluminum oxide sheet with a plurality of through holes on a substrate; dispersing quantum dots into the plurality of through holes of the anodic aluminum oxide sheet; and removing the anodic aluminum oxide sheet to form a quantum dot layer.