发明授权
US06440586B1 Benzopyran compound, material for luminous device, and luminous device using the same
失效
苯并吡喃复合物,发光装置用材料及使用其的发光装置
- 专利标题: Benzopyran compound, material for luminous device, and luminous device using the same
- 专利标题(中): 苯并吡喃复合物,发光装置用材料及使用其的发光装置
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申请号: US09533240申请日: 2000-03-22
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公开(公告)号: US06440586B1公开(公告)日: 2002-08-27
- 发明人: Terukazu Yanagi , Hisashi Okada , Tatsuya Igarashi
- 申请人: Terukazu Yanagi , Hisashi Okada , Tatsuya Igarashi
- 优先权: JP11-083250 19990326; JP11-102752 19990409; JP11-237265 19990824
- 主分类号: H05B3312
- IPC分类号: H05B3312
摘要:
A compound for a luminous device represented by (I), (I-a), (III) or (I′):