Invention Grant
- Patent Title: Organic light emitting display device
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Application No.: US17164680Application Date: 2021-02-01
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Publication No.: US11770955B2Publication Date: 2023-09-26
- Inventor: Jaeseung Jang , Jaeil Song , DongHyuk Kim
- 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: Morgan, Lewis & Bockius LLP
- The original application number of the division: US16423951 2019.05.28
- Main IPC: H01L27/32
- IPC: H01L27/32 ; H10K59/30 ; H10K50/13 ; H10K59/32 ; H10K50/11 ; H10K50/19 ; H10K50/17 ; H10K101/00 ; H10K101/30 ; H10K101/40

Abstract:
An organic light emitting display device is disclosed. The organic light emitting display device includes a first light emitting part between an anode and a cathode, the first light emitting part having a first light emitting layer, and a second light emitting part between the first light emitting part and the cathode, the second light emitting part having a second light emitting layer and a third light emitting layer, wherein the second light emitting layer includes a hole-type host and a first electron-type host, and the third light emitting layer includes a first electron-type host and a second electron-type host.
Public/Granted literature
- US20210159282A1 ORGANIC LIGHT EMITTING DISPLAY DEVICE Public/Granted day:2021-05-27
Information query
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