Plasma display device
US7423376B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2004 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Oct 4, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J11/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A plasma display device provided with a green color phosphor which is charged entirely with a positive potential, adsorbs only limited amounts of water, carbon monoxide, carbon dioxide and hydrocarbon, and not liable to cause chemical reacttion thereto. The green color phosphor used is any one or a combination two or more kinds of phosphors selected from among compounds defined by the general formulae of M1-xAl12O19:Mnx (where “M” denotes one of Ca, Sr, Eu and Zn) having a magnetoplumbite crystal structure, (Y1-a-yGda) (Ga1-xAlx)3 (BO3)4:Tby, (Y1-a-yGda) (Ga1-xAlx)3 (BO3)4:Cey, Tby, (Y1-a-yGda) BO3:Tby and (Y1-a-yGda)3 (Ga1-xAlx)5 O12:Tby having any of an yttrium borate crystal structure and yttrium aluminate crystal structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.