Indicator for deciding grinding amount of liquid crystal display panel and method for detecting grinding failure using the same
US6825897B2 · kind B2 · utility
1Cited by
39References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Jul 7, 2022 |
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.