Patent · US Active

Drive backplane and preparation method thereof, display panel, and display device

US12294043B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

BOE Technology Group Co., Ltd. · CN

Inventors

Wei Yang · Taipei, TW
Ke Wang · Beijing, CN
Muxin Di · Beijing, CN

Key dates

Filing date	Jan 22, 2020
Grant date	May 6, 2025
Priority date	—
Expiry date	Dec 7, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/0364
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

The present application discloses a drive backplane and a preparation method thereof, a display panel, and a display device. The drive backplane includes a flexible substrate provided with a first via hole; a first passivation layer located on a side of the flexible substrate and provided with a second via hole, an orthographic projection of the second via hole being at least partially overlapped with an orthographic projection of the first via hole; a thin film transistor located on a side, facing away from the flexible substrate, of the first passivation layer; and an electrical connecting structure, including a signal trace and a connecting terminal.

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