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 10421686 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 24, 2019

Filed:

Jul. 21, 2017
Applicants:

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

Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;

Inventors:

Hu Li, Beijing, CN;

Qing Zhang, Beijing, CN;

Linfei Shao, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 15/02 (2006.01); C03C 15/00 (2006.01);
U.S. Cl.
CPC ...
C03C 15/02 (2013.01); C03C 15/00 (2013.01);
Abstract

This disclosure relates to an apparatus and a method for strengthening a glass cover, wherein the methods comprises the steps of providing baffles which are used to connect glass covers to be strengthened so as to constitute a annular structure; injecting a strengthening liquid into one side of the annular structure to form a strengthening liquid potential energy difference between two sides of the annular structure; and allowing the strengthening liquid to flow between two sides of the baffle so as to etch the glass covers.


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