A Facile Route to Efficient, Low‐Cost Flexible Organic Light‐Emitting Diodes: Utilizing the High Refractive Index and Built‐In Scattering Properties of Industrial‐Grade PEN Substrates | Zendy

Kim Eunhye | Zendy; Cho Hyunsu | Zendy; Kim Kyoohyun | Zendy; Koh TaeWook | Zendy; Chung Jin | Zendy; Lee Jonghee | Zendy; Park YongKeun | Zendy; Yoo Seunghyup | Zendy

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A Facile Route to Efficient, Low‐Cost Flexible Organic Light‐Emitting Diodes: Utilizing the High Refractive Index and Built‐In Scattering Properties of Industrial‐Grade PEN Substrates

Author(s) -

Kim Eunhye,

Cho Hyunsu,

Kim Kyoohyun,

Koh TaeWook,

Chung Jin,

Lee Jonghee,

Park YongKeun,

Yoo Seunghyup

Publication year - 2015

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201404862

Subject(s) - oled , materials science , polyethylene naphthalate , optoelectronics , refractive index , substrate (aquarium) , structuring , diode , high refractive index polymer , scattering , optics , nanotechnology , polyethylene terephthalate , composite material , layer (electronics) , oceanography , physics , finance , geology , economics

An industrial‐grade polyethylene naphthalate (PEN) substrate is explored as a simple, cost‐effective platform for high‐efficiency organic light‐emitting diodes (OLEDs). Its high refractive index, combined with the built‐in scattering properties inherent to the industrial‐grade version, allows for a significant enhancement in outcoupling without any extra structuring or special optical elements. Flexible, color‐stable OLEDs with efficiency close to 100 lm W −1 are demonstrated.

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