Display panel inspection apparatus and method
US7532316B2 · kind B2 · utility
2Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2007 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Jun 8, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/9513
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a display panel inspection apparatus for inspecting a display panel composed of a plurality of pixels. The display panel inspection apparatus comprises a detecting unit detecting whether or not each of the pixels is a defective pixel and a holding unit holding a result of the detection by the detecting unit, thereby enabling reliable and easy detection of a defective pixel occurring temporarily due to variations of operation environment such as semi-contact trouble or semi-disconnection trouble, and others.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.