发明名称 |
RED ELECTROLUMINESCENT ELEMENT |
摘要 |
This invention provides a red EL element comprising an SrS matrix which has a wide band gap and which can emit a light of an arbitrary wavelength, thus emitting a red light having a good color purity and a high luminosity. This element is composed of said SrS matrix functioning as the luminescent layer and contains europium and cerium, respectively in a concentration of 0.05 to 0.2 at.% and 0.2 to 5 at.%, as the impurities of a luminescent center. |
申请公布号 |
WO9010045(A1) |
申请公布日期 |
1990.09.07 |
申请号 |
WO1990JP00268 |
申请日期 |
1990.02.28 |
申请人 |
KABUSHIKI KAISHA KOMATSU SEISAKUSHO |
发明人 |
TANDA, SATOSHI,;MIYAKOSHI, ATSUSHI, |
分类号 |
H05B33/14;C09K11/56;C09K11/77;H05B33/12 |
主分类号 |
H05B33/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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