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:
Mar. 08, 2022
Filed:
Dec. 19, 2019
Tcl China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;
TCL China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;
Abstract
The present invention provides a substrate and a method for monitoring positions of boundaries of a film layer disposed on a substrate. A plurality of sets of positioning units are provided in a non-display region of the substrate. Each set of the positioning units includes at least two primary positioning marks and corresponding primary positioning rulers. There are at least two secondary positioning marks and corresponding secondary positioning rulers disposed between the two adjacent primary positioning marks. The present invention determines a specific position of the boundaries of the film layer according to readings of the positioning rulers of the plurality of sets of positioning units corresponding to the boundaries of the film layer.