- Patent Title: Organic light emitting device, and display apparatus, photoelectric conversion apparatus, electronic apparatus, illumination apparatus, and moving object including the same
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Application No.: US16862317Application Date: 2020-04-29
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Publication No.: US12114520B2Publication Date: 2024-10-08
- Inventor: Naoki Yamada , Satoru Shiobara , Jun Kamatani
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. I.P. Division
- Priority: JP 19087712 2019.05.07
- Main IPC: H10K50/16
- IPC: H10K50/16 ; H01L27/146 ; H10K50/11 ; H10K50/818 ; H10K59/121 ; H10K59/65 ; H10K85/60 ; H10K101/40
Abstract:
An organic light emitting device including, in sequence, an anode, a light emitting layer, a first electron transport layer, a second electron transport layer, and a cathode, wherein the second electron transport layer includes a first material and a second material different from the first material, and the first electron transport layer includes a third material and a fourth material different from the third material.
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