Plasma display apparatus
US8259036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2007 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Oct 31, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2211/446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a filter positioned in front of the plasma display panel. The plasma display panel includes a front substrate on which an upper dielectric layer is positioned, first and second electrodes positioned between the front substrate and the upper dielectric layer, and a rear substrate on which a third electrode is positioned to intersect the first and second electrodes. The filter includes a first portion having a first degree of blackness, and a second portion that is positioned in the first portion and has a second degree of blackness larger than the first degree of blackness. A black layer is omitted between the front substrate and the upper dielectric layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.