Invention Grant
- Patent Title: Organic light emitting device including first hole injection layer and second hole injection layer
- Patent Title (中): 有机发光器件包括第一空穴注入层和第二空穴注入层
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Application No.: US12133824Application Date: 2008-06-05
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Publication No.: US08274212B2Publication Date: 2012-09-25
- Inventor: Won-Jun Song , Yeun-Joo Sung , Mu-Hyun Kim
- Applicant: Won-Jun Song , Yeun-Joo Sung , Mu-Hyun Kim
- Applicant Address: KR Nongseo-Dong, Giheung-Gu, Yongin, Gyunggi-Do
- Assignee: Samsung Mobile Display Co., Ltd.
- Current Assignee: Samsung Mobile Display Co., Ltd.
- Current Assignee Address: KR Nongseo-Dong, Giheung-Gu, Yongin, Gyunggi-Do
- Agent Robert E. Bushnell, Esq.
- Priority: KR10-2007-0140554 20071228
- Main IPC: H01J1/63
- IPC: H01J1/63
Abstract:
An organic light emitting device includes a first electrode; a second electrode; an emissive layer disposed between the first electrode and the second electrode; a first hole injection layer disposed between the first electrode and the second electrode; and a second hole injection layer disposed between the first electrode and the second electrode. The first hole injection layer includes a metal fluoride and a first organic hole injection layer forming compound, and the second hole injection layer includes a metal oxide and a second organic hole injection layer forming compound.
Public/Granted literature
- US20090167160A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2009-07-02
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