Invention Grant
- Patent Title: Light-emitting element having electron-trapping layer
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Application No.: US13240003Application Date: 2011-09-22
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Publication No.: US09608222B2Publication Date: 2017-03-28
- 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: H01L27/15
- IPC: H01L27/15 ; H01L31/12 ; H01L33/00 ; H01L29/74 ; H01L29/00 ; H01L51/50 ; H01L51/00 ; H01L51/52

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
- US20120068197A1 LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE Public/Granted day:2012-03-22
Information query
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