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MONOLITHIC WHITE LIGHT EMITTING DEVICE 发明申请

2023-07-03 1950 61K 0

专利信息

申请日期 2025-07-13 申请号 JP2005069422
公开(公告)号 JP2005260246A 公开(公告)日 2005-09-22
公开国别 JP 申请人省市代码 全国
申请人 SAMSUNG ELECTRO MECH
简介 PROBLEM TO BE SOLVED : To provide a monolithic white light emitting device having a simple and new structure easy to be manufactured. SOLUTION : In the light emitting device, a silicon or rare-earth metal forming a sub-band in an active layer is doped. An active layer 3 is composed of one or two layers, and when composed of two layers, a cladding layer is intervened between them. The structure of the light emitting device enables white semiconductor light to be emitted, and eliminates the need for a help by a fluorescent material. The monolithic white light emitting device is easy to be manufactured and inexpensive. Further, compared to an existing white light emitting device using the help of the fluorescent material, its application area is wide.


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