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LIGHT-EMITTING DEVICE AND PHOSPHOR 发明申请

2023-07-16 2830 799K 0

专利信息

申请日期 2025-08-15 申请号 EP04745383
公开(公告)号 EP1640429A1 公开(公告)日 2006-03-29
公开国别 EP 申请人省市代码 全国
申请人 MITSUBISHI CHEMICAL CORPORATION
简介 The present invention is to provide a light emitting device which can generate high-intensity light emission, using a fluorescent material containing a rare earth element ion complex and being excellent in durability and also provide the fluorescent material to be used therein. The present invention relates to a light emitting device comprising a semiconductor light emitting element which emits light within the region from near-ultraviolet light to visible light, and a fluorescent material which contains a rare earth element ion complex having an aromatic ring-containing Bronsted acid ion with a pKa value of 7 or less as a ligand and emits light by the action of light of the semiconductor light emitting element.


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