Invention Grant
- Patent Title: Light emitting device based on a pyrromethene compound
- Patent Title (中): 基于亚甲基吡咯化合物的发光器件
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Application No.: US12740821Application Date: 2008-10-28
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Publication No.: US08962155B2Publication Date: 2015-02-24
- Inventor: Kazumasa Nagao , Tsuyoshi Tominaga
- Applicant: Kazumasa Nagao , Tsuyoshi Tominaga
- Applicant Address: JP Tokyo
- Assignee: Toray Industries, Inc.
- Current Assignee: Toray Industries, Inc.
- Current Assignee Address: JP Tokyo
- Agency: RatnerPrestia
- Priority: JP2007-285862 20071102
- International Application: PCT/JP2008/069485 WO 20081028
- International Announcement: WO2009/057567 WO 20090507
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; C07F5/02 ; C07D207/44 ; C07D235/18 ; C07D307/80 ; C07D471/04 ; H01L51/00 ; H05B33/14 ; H01L51/50
Abstract:
A light emitting device material containing a pyrromethene compound represented by the general formula (1). It realized a luminescent element having a high luminescent efficiency and exellent color purity. Also provided is a luminescent element employing the materials.
Public/Granted literature
- US20100264406A1 LIGHT EMITTING DEVICE MATERIAL AND LIGHT EMITTING DEVICE Public/Granted day:2010-10-21
Information query
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