Quantum dot color filter, fabrication method thereof, display panel and device

US11567403B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Ge Shi · Beijing, CN
• Ming Zhu · 安丰镇, CN
• Zheng Fang · Beijing, CN
• Yanliu Sun · Beijing, CN
• Haijun Niu · Beijing, CN
• Shiyu Zhang · Chengdu, CN
• Song Yang · Beijing, CN
• Yujie Liu · Beijing, CN
• Yuyao Wang · Beijing, CN
• Jiahui Han · Beijing, CN
• Xiaochuan Chen · Beijing, CN
• Xue Dong · Beijing, CN

Key dates

• Filing date: Apr 29, 2020
• Grant date: Jan 31, 2023
• Expiry date: Feb 16, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/40
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.