Invention Grant
- Patent Title: Light-emitting element using organic compound
- Patent Title (中): 使用有机化合物的发光元件
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Application No.: US11804747Application Date: 2007-05-18
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Publication No.: US08030646B2Publication Date: 2011-10-04
- Inventor: Tsunenori Suzuki , Satoshi Seo
- Applicant: Tsunenori Suzuki , Satoshi Seo
- Applicant Address: JP
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Husch Blackwell LLP
- Priority: JP2006-155159 20060602
- Main IPC: H01L35/24
- IPC: H01L35/24 ; H01L51/00

Abstract:
A light-emitting element is provided, including a first electrode and a second electrode, a first layer including first and second organic compounds, the first layer being formed between the first electrode and the second electrode wherein the first organic compound is capable of emitting a first light and the second organic compound has an electron transporting property, and a second layer including third and fourth organic compounds, the second layer being formed between the first layer and the second electrode wherein the third organic compound is capable of emitting a second light and has an electron trap property and the fourth organic compound has an electron transporting property.
Public/Granted literature
- US20080006821A1 Light-emitting element, light-emitting device, and electronic device Public/Granted day:2008-01-10
Information query
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