High efficiency white organic light emission device based on new orange phosphorescence material

Xiao Ming Yu, Wai Yeung Wong, Hua Jun Peng, Ben Zhong Tang, Man Wong, Gui Jiang Zhou, Hoi Sing Kwok

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

White light emitting device based on a new orange phosphorescent material Ir(DPA-FIpy)3 ((DPA-Flpy)H = (9,9-diethyl-7-pyridinylfluoren-2-yl) diphenylamine) has been fabricated. The white OLED consists of it and a blue phosphorescent material FIrPic (iridum-bis(4,6,-difluorophenyl-pyridinato-N, C2)-picolinate). The threshold voltage is 4.2V, and the brightness reaches 3200 cd/m2 at 10V, 30.3 mA/cm2. The color of the light corresponds to a CIE coordinate of (0.31, 0.41). The highest efficiency of the device can reach 17.8 cd/A or 7 lm/W at 8V, 2mA/cm2.
Original languageEnglish
Title of host publicationIDW/AD'05 - Proceedings of the 12th International Display Workshops in Conjunction with Asia Display 2005
Pages589-592
Number of pages4
Publication statusPublished - 1 Dec 2005
Externally publishedYes
EventIDW/AD'05 - 12th International Display Workshops in Conjunction with Asia Display 2005 - Takamatsu, Japan
Duration: 6 Dec 20059 Dec 2005

Conference

ConferenceIDW/AD'05 - 12th International Display Workshops in Conjunction with Asia Display 2005
Country/TerritoryJapan
CityTakamatsu
Period6/12/059/12/05

ASJC Scopus subject areas

  • General Engineering

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