发明授权
- 专利标题: Production of substantially monodisperse phosphor particles
- 专利标题(中): 生产基本上单分散的磷光体颗粒
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申请号: US986196申请日: 1997-12-05
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公开(公告)号: US6039894A公开(公告)日: 2000-03-21
- 发明人: Angel Sanjurjo , Kai-Hung Lau , David Lowe , Anastasia Canizales , Naixiong Jiang , Victor Wong , Liqiang Jiang , Luke V. Schneider , Naheed Mufti , Robert T. Rewick , Marie Johansson , Keith Kardos
- 申请人: Angel Sanjurjo , Kai-Hung Lau , David Lowe , Anastasia Canizales , Naixiong Jiang , Victor Wong , Liqiang Jiang , Luke V. Schneider , Naheed Mufti , Robert T. Rewick , Marie Johansson , Keith Kardos
- 申请人地址: CA Mento Park PA Bethlehem
- 专利权人: SRI International,STC Technologies
- 当前专利权人: SRI International,STC Technologies
- 当前专利权人地址: CA Mento Park PA Bethlehem
- 主分类号: C09K11/00
- IPC分类号: C09K11/00 ; C09K11/08
摘要:
The invention relates to a method for producing activated, substantially monodisperse, phosphorescent particles and particles formed thereby. The method suspends substantially monodisperse, phosphor-precursor particles in a fluidizing gas and then introduces a reactive gas to contact the suspended phosphor-precursor particles. Heating the suspended phosphor-precursor particles to a reaction temperature then forms unactivated phosphorescent particles. In another embodiment, the phosphor-precursor particles may be heated to a reaction temperature where they decompose to form the unactivated phosphor particles. The unactivated phosphorescent particles suspended within the fluidizing gas are activated by heating the unactivated phosphorescent particles to an activation temperature forming activated, substantially monodisperse, phosphorescent particles.
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