Patent · US Active

Color filter substrate, manufacturing method thereof, and display device

US11397347B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignees

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

Inventors

Lin Wang · Nanhu, CN
Yongzhi Song · Beijing, CN
Ruirui Wang · Beijing, CN
Huabin Chen · Beijing, CN
Xingliang Li · Beijing, CN
Yang Liu · Tangxia, CN
Yingqiang Gao · Beijing, CN

Key dates

Filing date	Jun 26, 2019
Grant date	Jul 26, 2022
Priority date	—
Expiry date	Nov 5, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/36
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color filter substrate, a manufacturing method thereof and a display device are disclosed. The color filter substrate includes a base substrate and a plurality of filter units located on the base substrate. Each filter unit includes a photonic crystal layer configured to transmit light of one color, and includes a first photonic crystal sub-layer and a second photonic crystal sub-layer that are stacked in a direction perpendicular to the base substrate.

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