Display panel and preparation method thereof, and display apparatus

US11460735B2 · kind B2 · utility

Assignee

• BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. · CN

Inventors

• Liwen Dong · Beijing, CN
• Qi Yao · Nanhu, CN
• Guangcai Yuan · Beijing, CN
• Feng Zhang · 南丰镇, CN
• Zhijun Lv · Beijing, CN
• Wenqu Liu · Beijing, CN
• Zhao Cui · Beijing, CN
• Xiaoxin Song · Beijing, CN
• Detian MENG · Beijing, CN

Key dates

• Filing date: Apr 30, 2021
• Grant date: Oct 4, 2022
• Expiry date: Apr 30, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/136222
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Provided are a display panel and a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate which are aligned and combined into a cell, wherein the first substrate includes a backlight structure layer and an array structure layer arranged on a side of the backlight structure layer facing the second substrate, the backlight structure layer includes a light guide plate, a grating layer arranged on a side of the light guide plate facing the array structure layer and a refractive layer covering the grating layer, the grating layer includes a plurality of grating units, the array structure layer includes a plurality of pixel electrodes, and the grating units are in one-to-one correspondence with the pixel electrodes.