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.:
Date of Patent:
Dec. 27, 2022
Filed:
Apr. 09, 2019
Applicants:
Hefei Boe Display Lighting Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Peina Wang, Beijing, CN;
Zhi Zhu, Beijing, CN;
Assignees:
HEFEI BOE DISPLAY LIGHTING CO., LTD., Anhui, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D 7/27 (2006.01); B26D 1/06 (2006.01); B26D 1/09 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
B26D 7/27 (2013.01); B26D 1/065 (2013.01); B26D 1/095 (2013.01); G02B 5/04 (2013.01);
Abstract
The present disclosure provides a film cutting method, a film cutting device, a composite film, a backlight module and a display device. The film material cutting method includes: using a cutting tool provided with a viscous material to cut a composite film that includes at least two laminated optical films, with the viscous material on the cutting tool being transferred to a cutting end surface of the composite film during cutting; and, curing the viscous material on the cutting end surface.