Organic light emitting diode with split emissive layer

Li, Jian-Jun; Klimes, Kody George

Organic light emitting diode with split emissive layer

Patent · 22 November 2021

OSTI ID:1860102

Li, Jian-Jun; Klimes, Kody George

An organic light emitting diode (OLED) device includes an emissive layer having a first sublayer with a first emitter as a dopant, a second sublayer with a second emitter as a dopant, and a third sublayer with a third emitter as a dopant. The second sublayer is between the first sublayer and the third sublayer. A concentration of the first emitter in the first sublayer exceeds a concentration of the third emitter in the third sublayer, and the concentration of the third emitter in the third sublayer exceeds a concentration of the second emitter in the second sublayer.

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Research Organization:: Arizona State Univ., Tempe, AZ (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0007090

Assignee:: Arizona Board of Regents on Behalf of the University of Arizona (Scottsdale, AZ)

Patent Number(s):: 11,183,670

Application Number:: 15/845,575

OSTI ID:: 1860102

Country of Publication:: United States

Language:: English

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Controlling Emitting Dipole Orientation with Methyl Substituents on Main Ligand of Iridium Complexes for Highly Efficient Phosphorescent Organic Light-Emitting Diodes Kim, Kwon-Hyeon; Ma, Jae-Yeol; Moon, Chang-Ki Advanced Optical Materials, Vol. 3, Issue 9 https://doi.org/10.1002/adom.201500141	journal	April 2015
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Efficient Blue- and White-Emitting Electrophosphorescent Devices Based on Platinum(II) [1,3-Difluoro-4,6-di(2-pyridinyl)benzene] Chloride Yang, Xiaohui; Wang, Zixing; Madakuni, Sijesh Advanced Materials, Vol. 20, Issue 12 https://doi.org/10.1002/adma.200702940	journal	June 2008
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