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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10566570 B1

PDFFull Text
Date of Patent:
Feb. 18, 2020

Filed:

Jun. 07, 2018

Composite cover film and flexible display device

Applicant:

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Dejun Bu, Beijing, CN;

Paoming Tsai, Beijing, CN;

Lu Liu, Beijing, CN;

Liqiang Chen, Beijing, CN;

Hong Li, Beijing, CN;

Jianwei Li, Beijing, CN;

Shuang Du, Beijing, CN;

Assignee:

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

Attorney:

Brooks Kushman P.C.

Primary Examiner:

Steven H Loke

Assistant Examiner:

Brandon C Fox

Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); C09J 7/25 (2018.01); C09J 11/04 (2006.01); H01L 27/32 (2006.01); C08K 7/24 (2006.01); C08K 3/36 (2006.01); C08K 3/22 (2006.01); C08K 3/08 (2006.01); C08K 3/105 (2018.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); C09J 7/25 (2018.01); C09J 11/04 (2013.01); H01L 27/322 (2013.01); H01L 51/004 (2013.01); H01L 51/0035 (2013.01); H01L 51/5281 (2013.01); H01L 51/56 (2013.01); C08K 3/105 (2018.01); C08K 3/36 (2013.01); C08K 7/24 (2013.01); C08K 2003/0806 (2013.01); C08K 2003/0831 (2013.01); C08K 2003/222 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/2296 (2013.01); C08K 2201/005 (2013.01); C08K 2201/011 (2013.01); C09J 2203/326 (2013.01); C09J 2479/086 (2013.01); H01L 27/323 (2013.01); H01L 27/3244 (2013.01); H01L 2251/5338 (2013.01);
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.

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