发明名称 |
LIGHTING APPLIANCE |
摘要 |
A light emitting element of the invention includes n pieces of light emitting layers (n is a natural number) between first and second electrodes. A first layer and a second layer are provided between the mth light emitting layer (m is a natural number of 1≦̸m≦̸n) and the m+1th light emitting layer. The first and second layers are contacted to each other. The first layer contain a substance that transports holes easily and a substance with an electron accepting property. The second layer contains a substance that transports electrons easily and a substance with an electron donating property. Molybdenum oxide is used as the substance with the electron accepting property. |
申请公布号 |
KR20110111548(A) |
申请公布日期 |
2011.10.11 |
申请号 |
KR20117022763 |
申请日期 |
2005.05.17 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
KUMAKI DAISUKE;IKEDA HISAO;ABE HIROKO;SEO SATOSHI |
分类号 |
H05B33/14;H01L27/32;H01L51/50;H01L51/52;H05B33/12;H05B33/20;H05B33/22 |
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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