Invention Grant
US08310145B2 Light emitting device including first and second red phosphors and a green phosphor
有权
包括第一和第二红色荧光体和绿色荧光体的发光器件
- Patent Title: Light emitting device including first and second red phosphors and a green phosphor
- Patent Title (中): 包括第一和第二红色荧光体和绿色荧光体的发光器件
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Application No.: US13034120Application Date: 2011-02-24
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Publication No.: US08310145B2Publication Date: 2012-11-13
- Inventor: Iwao Mitsuishi , Shinya Nunoue , Takahiro Sato , Yumi Fukuda , Aoi Okada , Naotoshi Matsuda , Toshiki Hikosaka
- Applicant: Iwao Mitsuishi , Shinya Nunoue , Takahiro Sato , Yumi Fukuda , Aoi Okada , Naotoshi Matsuda , Toshiki Hikosaka
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-201336 20100908
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01L33/50
Abstract:
A light emitting device according to one embodiment includes a light emitting element that emits light having a wavelength of 380 nm to 470 nm; a CASN first red phosphor that is disposed on the light emitting element; a sialon second red phosphor that is disposed on the light emitting element; and a sialon green phosphor that is disposed on the light emitting element.
Public/Granted literature
- US20120056526A1 LIGHT EMITTING DEVICE Public/Granted day:2012-03-08
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