Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US16721777Application Date: 2019-12-19
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Publication No.: US11515480B2Publication Date: 2022-11-29
- 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: KR10-2018-0167668 20181221
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00 ; C07D333/76 ; H01L51/52 ; H01L27/32 ; H01L27/12 ; H01L29/786 ; H01L51/56
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.
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