Invention Grant
- Patent Title: White organic light emitting diode device
- Patent Title (中): 白色有机发光二极管装置
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Application No.: US14339168Application Date: 2014-07-23
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Publication No.: US09281487B2Publication Date: 2016-03-08
- Inventor: Shinhan Kim , Byungchul Ahn , Changwook Han , Dohyung Kim , Hongseok Choi , Sunghoon Pieh , Yoonheung Tak , Jeongdae Seo , Youngkwan Jung , Gwijeong Cho , Younseok Kam , 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: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2013-0091063 20130731
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; H01L27/32

Abstract:
Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.
Public/Granted literature
- US20150034923A1 WHITE ORGANIC LIGHT EMITTING DIODE DEVICE Public/Granted day:2015-02-05
Information query
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