Patent · US Active

Color filter substrate, display panel and display apparatus

US11635658B2 · kind B2 · utility

0Cited by

1References

16Claims

0Family size

Assignees

BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. · CN
BOE Technology Group Co., Ltd. · CN

Inventors

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

Key dates

Filing date	Aug 21, 2020
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Aug 21, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2102/331
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The color filter substrate includes a photoluminescent layer and an optical path adjustment layer. The photoluminescent layer includes a plurality of photoluminescent portions. Each photoluminescent portion is configured to receive backlight and emit excitation light. The optical path adjustment layer is located on a light incident side of the photoluminescent layer, and the optical path adjustment layer is configured to increase an incident angle of at least portion of the backlight that enters the photoluminescent layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.