Invention Grant
- Patent Title: Thin film EL device
- Patent Title (中): 薄膜EL器件
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Application No.: US10718554Application Date: 2003-11-24
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Publication No.: US06989201B2Publication Date: 2006-01-24
- Inventor: Tetsuya Satou , Mikiko Matsuo , Hisanori Sugiura , Hitoshi Hisada , Ryuichi Shingae , Yoshinobu Murakami
- Applicant: Tetsuya Satou , Mikiko Matsuo , Hisanori Sugiura , Hitoshi Hisada , Ryuichi Shingae , Yoshinobu Murakami
- Applicant Address: JP Kadoma
- Assignee: Matsushita Electric Industrial Co., Ltd.
- Current Assignee: Matsushita Electric Industrial Co., Ltd.
- Current Assignee Address: JP Kadoma
- Agency: Steptoe & Johnson LLP
- Priority: JPH11-360247 19991220; JP2000-162031 20000531
- Main IPC: H05B33/14
- IPC: H05B33/14
Abstract:
A thin film EL device having high electroluminescent efficiency, a low operating voltage, and a long lifetime. A thin film EL device of the present invention uses, as a luminescent layer, a charge-transport luminescent material that has, within a molecule, a portion contributing to charge transport and a portion contributing to luminescence where at least two molecular orbitals contributing to luminescent transition are localized.
Public/Granted literature
- US20040076854A1 Thin film EL device Public/Granted day:2004-04-22
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