Invention Grant
- Patent Title: Organic light emitting display device and organic light emitting stacked structure
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Application No.: US15181793Application Date: 2016-06-14
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Publication No.: US09842885B2Publication Date: 2017-12-12
- Inventor: Taesun Yoo , Hongseok Choi , Mi-Young Han , JungSoo Park
- 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: Dentons US LLP
- Priority: KR10-2015-0186231 20151224
- Main IPC: H01L27/32
- IPC: H01L27/32 ; H01L51/50

Abstract:
Disclosed is an organic light emitting display device. The organic light emitting display device includes an emission part which is disposed between an anode and a cathode and includes an emission layer. The emission part includes at least two emission layers emitting lights of different colors and a recombination zone movement prevention layer. The at least two emission layers each includes at least one host and at least one dopant, and the recombination zone movement prevention layer is disposed on a specific emission layer among the at least two emission layers.
Public/Granted literature
- US20170186821A1 ORGANIC LIGHT EMITTING DISPLAY DEVICE AND ORGANIC LIGHT EMITTING STACKED STRUCTURE Public/Granted day:2017-06-29
Information query
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