Patent · US Expired

Indicator for deciding grinding amount of liquid crystal display panel and method for detecting grinding failure using the same

US7324184B2 · kind B2 · utility

1Cited by
39References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2004
Grant dateJan 29, 2008
Priority date
Expiry dateNov 8, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133351
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An indicator for deciding a grinding amount of a liquid crystal display panel and a method for detecting grinding failure using the same are disclosed in the present invention. The indicator includes at least one alignment mark formed at a gate pad unit and a data pad unit of a liquid crystal display panel, and at least one pattern for detecting a grinding amount between a first end portion of the gate pad unit and the alignment mark, and a second end portion of the data pad unit and the alignment mark.

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