- 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.: US18148042Application Date: 2022-12-29
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Publication No.: US11950437B2Publication Date: 2024-04-02
- Inventor: Naoki Yamada , Satoru Shiobara , Itaru Takaya , 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. IP Division
- Priority: JP 19087710 2019.05.07
- Main IPC: H10K50/11
- IPC: H10K50/11 ; H10K50/15 ; H10K50/16 ; H10K50/17 ; H10K50/818 ; H10K59/124 ; H10K59/60 ; H10K85/60 ; H10K101/30 ; H10K101/40
Abstract:
An organic light emitting device including, in sequence, a first electrode, a first charge transport layer, a second charge transport layer in contact with the first charge transport layer, a light emitting layer in contact with the second charge transport layer, and a second electrode, wherein the first charge transport layer includes a first material and a second material, the second charge transport layer includes the second material and a third material, and the light emitting layer includes the third material and a fourth material.
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