Invention Grant
- Patent Title: Organic electroluminescence element having concentration variation of hole transporting light-emitting material
- Patent Title (中): 具有空穴传输发光材料的浓度变化的有机电致发光元件
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Application No.: US12178445Application Date: 2008-07-23
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Publication No.: US08106581B2Publication Date: 2012-01-31
- Inventor: Hisashi Okada , Manabu Tobise , Masaru Kinoshita
- Applicant: Hisashi Okada , Manabu Tobise , Masaru Kinoshita
- Applicant Address: JP Tokyo
- Assignee: Fujifilm Corporation
- Current Assignee: Fujifilm Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2007-196676 20070727
- Main IPC: H01L51/52
- IPC: H01L51/52 ; H01L51/54

Abstract:
An organic electroluminescence element including an organic layer including a light-emitting layer disposed between a pair of electrodes, wherein the light-emitting layer contains at least one hole transporting light-emitting material and at least one electron-transporting host material, and a concentration of the hole transporting light-emitting material in the light-emitting layer decreases from an anode side toward a cathode side.
Public/Granted literature
- US20090026938A1 ORGANIC ELECTROLUMINESCENCE ELEMENT Public/Granted day:2009-01-29
Information query
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