Invention Grant
- Patent Title: Organic light emitting device
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Application No.: US14713879Application Date: 2015-05-15
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Publication No.: US09721997B2Publication Date: 2017-08-01
- Inventor: SeHee Lee
- 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2014-0059208 20140516
- Main IPC: H01L27/32
- IPC: H01L27/32 ; H01L51/52 ; H01L51/50

Abstract:
Provided is an organic light emitting device including: an organic emission layer disposed between a first electrode and a second electrode and in a plurality of sub-pixel areas; a plurality of electroluminescence units which include the organic emission layer and are formed by stacking; and a charge generation layer between the plurality of electroluminescence units, where the charge generation layers respectively disposed in the plurality of sub-pixel areas have a step and are formed at different positions, and the second electrodes respectively disposed in the multiple sub-pixel areas have a step and are formed at different positions.
Public/Granted literature
- US20150333296A1 ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2015-11-19
Information query
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