Apparatus and method for correcting grinding amount of liquid crystal display panel
US7497762B2 · kind B2 · utility
2Cited by
46References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2002 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Oct 1, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133351
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an apparatus and a method for correcting a grinding amount of a unit liquid crystal display panel, by grinding an edge of a unit liquid crystal display panel; generating grinding pictures of the unit liquid crystal display panel; calculating an error value by comparing the grinding pictures with a reference picture; and changing a set value of a grinding unit according to the error value. In addition, by disposing a grinding amount correcting apparatus in a grinding apparatus, correcting a grinding amount of a unit liquid crystal display panel can be performed by an automatic system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.