Invention Grant
- Patent Title: Organic light emitting diode having high efficiency
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Application No.: US16625752Application Date: 2018-07-11
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Publication No.: US11532792B2Publication Date: 2022-12-20
- Inventor: Soon-Wook Cha , Sang-Woo Park , Jung-Ho Yoo , Yoona Shin , Yu-Rim Lee , Sung Woo Kim , Jiwon Lee
- Applicant: SFC CO., LTD.
- Applicant Address: KR Cheongju-si
- Assignee: SFC CO., LTD.
- Current Assignee: SFC CO., LTD.
- Current Assignee Address: KR Cheongju-si
- Agency: STIP Law Group, LLC
- Priority: KR10-2017-0087728 20170711
- International Application: PCT/KR2018/007876 WO 20180711
- International Announcement: WO2019/013556 WO 20190117
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07D307/94 ; C07D407/14 ; C07D493/10 ; H01L51/50

Abstract:
The present invention relates to an organic light emitting diode comprising: a first electrode; a second electrode facing the first electrode; a hole injecting layer or a hole transport layer, which is interposed between the first electrode and the second electrode; and a light emitting layer, wherein the hole injecting layer or the hole transport layer comprises at least one type of amine compound represented by chemical formula A or chemical formula B, and the chemical formula A and the chemical formula B are the same as those included in the description of the invention.
Information query
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