Invention Application
- Patent Title: LIGHT EMITTING DEVICE
- Patent Title (中): 发光装置
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Application No.: US13033911Application Date: 2011-02-24
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Publication No.: US20120056525A1Publication Date: 2012-03-08
- Inventor: Kunio ISHIDA , Iwao MITSUISHI , Ryosuke HIRAMATSU , Yumi FUKUDA , Keiko ALBESSARD , Naotoshi MATSUDA , Aoi OKADA , Shinya NUNOUE
- Applicant: Kunio ISHIDA , Iwao MITSUISHI , Ryosuke HIRAMATSU , Yumi FUKUDA , Keiko ALBESSARD , Naotoshi MATSUDA , Aoi OKADA , Shinya NUNOUE
- Applicant Address: JP Tokyo
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Tokyo
- Priority: JP2010-199984 20100907
- Main IPC: H01J1/63
- IPC: H01J1/63 ; H01J1/62
Abstract:
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.
Public/Granted literature
- US08278821B2 Light emitting device Public/Granted day:2012-10-02
Information query
