Invention Grant
- Patent Title: White organic light emitting device
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Application No.: US15409029Application Date: 2017-01-18
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Publication No.: US09786863B2Publication Date: 2017-10-10
- Inventor: Taeil Kum , Gwijeong Cho , KiWoog Song , Taeshick 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: Dentons US LLP
- Priority: KR10-2014-0076686 20140623
- Main IPC: H01L51/50
- IPC: H01L51/50

Abstract:
Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.
Public/Granted literature
- US20170133618A1 WHITE ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2017-05-11
Information query
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