Invention Grant
- Patent Title: Blue organic electroluminescent device and preparation method thereof
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Application No.: US16477282Application Date: 2017-08-18
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Publication No.: US10854820B2Publication Date: 2020-12-01
- Inventor: Liang Zhou , Hongjie Zhang , Xuesen Zhao
- Applicant: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Applicant Address: CN Changchun
- Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Current Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Current Assignee Address: CN Changchun
- Agency: Myers Bigel, P.A.
- Priority: CN201710032259 20170116
- International Application: PCT/CN2017/098005 WO 20170818
- International Announcement: WO2018/129921 WO 20180719
- Main IPC: H01L51/56
- IPC: H01L51/56 ; H01L51/50 ; H01L51/00
Abstract:
The present disclosure provides a blue organic electroluminescent device comprising: a substrate; an anode layer disposed on the substrate; a light emitting layer disposed on the anode layer, the light emitting layer being formed from a blue organic fluorescent material and a hole-type organic host material, wherein the blue organic fluorescent material is 8.0% to 25.0% by mass of the hole-type organic host material; and a cathode layer disposed on the light emitting layer.
Public/Granted literature
- US20200035926A1 Blue organic electroluminescent device and preparation method thereof Public/Granted day:2020-01-30
Information query
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