Patent · US Active

Tungstate fluorescent materials and preparation methods thereof

US9062254B2 · kind B2 · utility

1Cited by

2References

5Claims

0Family size

Assignee

OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO., LTD. · CN

Inventors

Mingjie Zhou · Nanhu, CN
Jun Liu · Tangxia, CN
Wenbo Ma · Tangxia, CN

Key dates

Filing date	Dec 14, 2010
Grant date	Jun 23, 2015
Priority date	—
Expiry date	Jun 29, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K11/873
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Tungstate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: RWO4:xM, wherein R is selected from one or two of Ca, Sr or Ba, M is selected from one or two of Ag, Au, Pt or Pd metal nano-particles; 0<x≦1×10−3. The said luminescent materials have excellent chemical stability and high luminous intensity. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.