Patent · US Active

Composite cover film and flexible display device

US10566570B2 · kind B2 · utility

11Cited by

0References

19Claims

0Family size

Assignee

BOE Technology Group Co., Ltd. · CN

Inventors

Dejun Bu · Beijing, CN
Paoming TSAI · Beijing, CN
Lu Liu · Taipei, TW
Liqiang Chen · Beijing, CN
Hong Li · Shanghai, CN
Jianwei Li · Nanhu, CN
Shuang Du · Beijing, CN

Key dates

Filing date	Jun 7, 2018
Grant date	Feb 18, 2020
Priority date	—
Expiry date	Jun 7, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2102/311
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present disclosure relates to the field of display, in particular to a composite cover film and a flexible display device. The composite cover film comprises a polyimide layer, and a first hard coating and a first transparent optical adhesive layer disposed on two sides of the polyimide layer, respectively, wherein at least one of the first hard coating and the first transparent optical adhesive layer contains a nanoscale colorant. The present disclosure further relates to a flexible display device comprising a flexible display panel and the composite cover film disposed on a light-exiting side of the flexible display panel.

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