发明授权
- 专利标题: Light emitting device
- 专利标题(中): 发光装置
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申请号: US13033911申请日: 2011-02-24
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公开(公告)号: US08278821B2公开(公告)日: 2012-10-02
- 发明人: Kunio Ishida , Iwao Mitsuishi , Ryosuke Hiramatsu , Yumi Fukuda , Keiko Albessard , Naotoshi Matsuda , Aoi Okada , Shinya Nunoue
- 申请人: Kunio Ishida , Iwao Mitsuishi , Ryosuke Hiramatsu , Yumi Fukuda , Keiko Albessard , Naotoshi Matsuda , Aoi Okada , Shinya Nunoue
- 申请人地址: JP Tokyo
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2010-199984 20100907
- 主分类号: H05B33/14
- IPC分类号: H05B33/14 ; H01L33/50
摘要:
A light emitting device according to one embodiment includes a light emitting element that emits light having a wavelength of 250 nm to 500 nm; plural red fluorescent layers that are formed above the light emitting element to include a red fluorescent material, the red fluorescent layers being disposed at predetermined intervals; and plural green fluorescent layers that are formed above the light emitting element to include a green fluorescent material, a distance between the light emitting element and the green fluorescent layers being larger than a distance between the light emitting element and the red fluorescent layers.
公开/授权文献
- US20120056525A1 LIGHT EMITTING DEVICE 公开/授权日:2012-03-08
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