ZHANG Ya-ping,. Patent Review on Synthesis of Red-<em>M</em><sub>2</sub>Si<sub>5</sub>N<sub>8</sub>(<em>M</em>=Ca, Sr, Ba) Phosphors[J]. Chinese Journal of Luminescence, 2015,36(2): 135-140
ZHANG Ya-ping,. Patent Review on Synthesis of Red-<em>M</em><sub>2</sub>Si<sub>5</sub>N<sub>8</sub>(<em>M</em>=Ca, Sr, Ba) Phosphors[J]. Chinese Journal of Luminescence, 2015,36(2): 135-140 DOI: 10.3788/fgxb20153602.0135.
Ba) phosphors gradually become an important kind of three-primary-color phosphors. With the increasing of the patent applying amount
the broad application prospects of
M
2
Si
5
N
8
phosphors have received great attention at home and abroad. To understand the application status of
M
2
Si
5
N
8
phosphors comprehensively and promote the development of research and technique ultimately
this paper firstly reviews the patent applying amount over the years
important applicants and technical evolution of basic patents on preparing the phosphors. The synthesis methods are classified and compared. The creative points are concluded. The paper may be helpful for those persons in the field to acquire recently technical development on related industries
develop and protect valid patents.
关键词
发光材料制备专利综述M2Si5N8
Keywords
phosphorpreparationpatent reviewM2Si5N8
references
世界知识产权组织. 国际专利分类表 [M]. 北京: 知识产权出版社, 2008.
Schlieper T, Milius W, Schnick W. Hochtemperatur-synthesen und kristallstrukturen von Sr2Si5N8 und Ba2Si5N8 [J]. Zeitschrift Fur Anorganische und Allgemeine Chemie, 1995, 621(8):1380-1384.