Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US17978065Application Date: 2022-10-31
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Publication No.: US11895911B2Publication Date: 2024-02-06
- Inventor: Heejun Park , Seonkeun Yoo , Soyoung Jang , Jicheol Shin , Sangbeom Kim , Sunghoon Kim , Tae Wan Lee , Dong Hun Lee , Jeonghoe Heo
- Applicant: LG Display Co., Ltd.
- Applicant Address: KR Seoul
- Assignee: LG DISPLAY CO., LTD.
- Current Assignee: LG DISPLAY CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: SEED IP LAW GROUP LLP
- Priority: KR 20180167668 2018.12.21
- Main IPC: H10K85/60
- IPC: H10K85/60 ; C07D333/76 ; H01L27/12 ; H01L29/786 ; H10K50/11 ; H10K50/15 ; H10K50/16 ; H10K50/17 ; H10K50/844 ; H10K59/12 ; H10K71/00 ; H10K71/16 ; H10K102/00
Abstract:
The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
Public/Granted literature
- US20230172060A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2023-06-01
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