Invention Grant
- Patent Title: White organic light emitting device
- Patent Title (中): 白色有机发光装置
-
Application No.: US14572510Application Date: 2014-12-16
-
Publication No.: US09281491B2Publication Date: 2016-03-08
- Inventor: Tae-Il Kum , Do-Han Kim , Young-Kwan Jung , Ki-Woog Song , Hye-Seung Kang , Hyung-June 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2013-0168251 20131231
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/52 ; H01L27/32 ; H01L51/00

Abstract:
A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.
Public/Granted literature
- US20150188076A1 WHITE ORGANIC LIGHT EMITTING DEVICE Public/Granted day:2015-07-02
Information query
IPC分类: