JP5512801B2 - 発光粒子、これを含む方法及び発光装置 - Google Patents
発光粒子、これを含む方法及び発光装置 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- FZBINJZWWDBGGB-UHFFFAOYSA-L strontium 3,4,5-trihydroxythiobenzate Chemical compound [Sr++].Oc1cc(cc(O)c1O)C([O-])=S.Oc1cc(cc(O)c1O)C([O-])=S FZBINJZWWDBGGB-UHFFFAOYSA-L 0.000 description 1
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Description
104 安定化を与えるために発光粒子を加熱する段階のブロック
Claims (12)
- 発光粒子を準備する方法であって、
窒化物を含む発光粒子を準備する段階と、
前記発光粒子を沸騰水中で加熱して該発光粒子の外面の反応特性を低減する段階と、
を含むことを特徴とする方法。 - 前記発光粒子を沸騰水中で加熱して該発光粒子の外面の反応特性を低減する段階は、該発光粒子の該外面上に不動態化領域を形成する段階を含むことを特徴とする請求項1に記載の方法。
- 前記不動態化領域は、前記発光粒子の内側部分よりも高い百分率の酸素を含むことを特徴とする請求項2に記載の方法。
- 前記発光粒子を沸騰水中で加熱して該発光粒子の外面の反応特性を低減する段階は、該外面内の酸素の百分率を増大させ、かつ該外面内の窒素の百分率を低減する段階を含むことを特徴とする請求項1に記載の方法。
- 前記発光粒子は、可視スペクトルの青色部分及び紫外部分における光子を可視スペクトルのより長い波長の部分における光子に下方変換する燐光体組成を含むことを特徴とする請求項1に記載の方法。
- 前記発光粒子は、可視スペクトルの前記青色部分において吸収を行い、かつ可視スペクトルの赤色部分において発光を行う燐光体組成を含むことを特徴とする請求項5に記載の方法。
- 前記発光粒子を準備する段階は、摂氏1500度から摂氏1850度の範囲の温度で該発光粒子を形成する段階を含むことを特徴とする請求項1に記載の方法。
- 発光粒子を準備する方法であって、
窒化物を含む発光粒子を準備する段階と、
0.1モル/リットルよりも低い濃度を有する沸騰している硝酸溶液中で前記発光粒子を加熱して前記発光粒子の外面の反応特性を低減する段階と、
を含むことを特徴とする方法。 - 前記沸騰している硝酸溶液中で前記発光粒子を加熱して前記発光粒子の外面の反応特性を低減する段階は、前記発光粒子の前記外面上に不動態化領域を形成する段階を含むことを特徴とする請求項8に記載の方法。
- 前記不動態化領域は、前記発光粒子の内側部分よりも高い百分率の酸素を含むことを特徴とする請求項9に記載の方法。
- 発光粒子を安定化させる方法であって、
0≦x<1とし、Ca 1-x Sr x AlSiN 3 、Ca 2 Si 5 N 8 、Sr 2 Si 5 N 8 、Ba 2 Si 5 N 8 、BaSi 7 N 10 、BaYSi 4 N 7 、Y 5 (SiO 4 ) 3 N、Y 4 Si 2 O 7 N 2 、YSiO 2 N、Y 2 Si 3 O 3 N 4 、Ca 1.5 Si 9 Al 3 N 16 、Y 0.5 Si 9 Al 3 O 1.5 N 14.5 、CaSiN 2 、Y 2 Si 4 N 6 C、及び/又はY 6 Si 11 N 20 Oからなるグループから選択されるホスト化合物と、Ce、Eu、Sm、Yb、Gd、及び/又はTbを含む少なくとも1つの活性剤とを含む発光粒子を準備する段階と、
前記発光粒子を沸騰水中で加熱して該発光粒子の外面の反応特性を低減する段階と
を含むことを特徴とする方法。 - 発光粒子を安定化させる方法であって、
0≦x<1とし、Ca 1-x Sr x AlSiN 3 、Ca 2 Si 5 N 8 、Sr 2 Si 5 N 8 、Ba 2 Si 5 N 8 、BaSi 7 N 10 、BaYSi 4 N 7 、Y 5 (SiO 4 ) 3 N、Y 4 Si 2 O 7 N 2 、YSiO 2 N、Y 2 Si 3 O 3 N 4 、Ca 1.5 Si 9 Al 3 N 16 、Y 0.5 Si 9 Al 3 O 1.5 N 14.5 、CaSiN 2 、Y 2 Si 4 N 6 C、及び/又はY 6 Si 11 N 20 Oからなるグループから選択されるホスト化合物と、Ce、Eu、Sm、Yb、Gd、及び/又はTbを含む少なくとも1つの活性剤とを含む発光粒子を準備する段階と、
0.1モル/リットルよりも低い濃度を有する沸騰している硝酸溶液中で前記発光粒子を加熱して前記発光粒子の外面の反応特性を低減する段階と
を含むことを特徴とする方法。
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