Patent · US Active

Array substrate, display panel, and manufacturing method of the array substrate

US11398507B2 · kind B2 · utility

1Cited by

0References

20Claims

0Family size

Assignees

Inventors

Leilei Cheng · Beijing, CN
Bin Zhou · Zhaoqing, CN
Jun Liu · Tangxia, CN
Luke Ding · Beijing, CN
Qinghe Wang · Beijing, CN
Yongchao Huang · Beijing, CN

Key dates

Filing date	Jul 2, 2020
Grant date	Jul 26, 2022
Priority date	—
Expiry date	Jan 21, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH10K59/123
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An array substrate includes an insulation layer and one or more stepped holes each penetrating through the insulation layer in a direction perpendicular to the insulation layer. Each stepped hole includes a first hole and a second hole under the first hole, a radius of the first hole at a bottom is a first radius, a radius of the second hole at a top is a second radius which is substantially smaller than the first radius, and a difference between the first radius and the second radius is 0.2 μm to 0.6 μm.

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