- 专利标题： ORGANIC ELECTROLUMINESCENT ELEMENT
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申请号： US18034552申请日： 2021-10-29
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公开(公告)号： US20240032321A1公开(公告)日： 2024-01-25
- 发明人: Kazuyuki SURUGA , Sang-Won KO , Bong-Hyang LEE , Jung-Ho RYU , Takeshi YAMAMOTO , Junichi IZUMIDA , Soon-Wook CHA , Sung-Hoon JOO , Byung-Sun YANG , Ji-Hwan KIM , Bong-Ki SHIN
- 申请人： HODOGAYA CHEMICAL CO., LTD. , SFC CO., LTD.
- 申请人地址： JP Tokyo
- 专利权人： HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD.
- 当前专利权人： HODOGAYA CHEMICAL CO., LTD.,SFC CO., LTD.
- 当前专利权人地址： JP Tokyo; KR Chungcheongbuk-do
- 优先权： JP 20185577 2020.11.06
- 国际申请： PCT/JP2021/039956 2021.10.29
- 进入国家日期： 2023-04-28
- 主分类号： H10K50/12
- IPC分类号： H10K50/12 ; H10K50/15 ; H10K85/40
摘要：
The present invention relates to an organic electroluminescent element (organic EL element) including at least an anode, a first hole transport layer, a second hole transport layer, a blue light-emitting layer, an electron transport layer, and a cathode in this order, in which the second hole transport layer contains an arylamine compound represented by the following general formula (1).
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