Area-selective external light extraction for metal bus equipped large Area transparent organic light-emitting diodes

Byoung Kuk Kang; Hyunsu Cho; Jun Han Han; Jin Wook Shin; Jinouk Song; Seung Koo Park; Jonghee Lee; Chul Woong Joo; Eunhye Kim; Seunghyup Yoo; Jeong Ik Lee; Byeong Kwon Ju; Jaehyun Moon

doi:10.1364/OE.24.005356

Area-selective external light extraction for metal bus equipped large Area transparent organic light-emitting diodes

Byoung Kuk Kang, Hyunsu Cho, Jun Han Han, Jin Wook Shin, Jinouk Song, Seung Koo Park, Jonghee Lee, Chul Woong Joo, Eunhye Kim, Seunghyup Yoo, Jeong Ik Lee, Byeong Kwon Ju, Jaehyun Moon

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Area-selective external light extraction films based on wrinkle structured films were applied to large transparent organic light-emitting diodes (TOLEDs) with auxiliary metal buses. To be specific, on the external surface of the glass, we selectively formed a wrinkle structured film, which was aligned to the auxiliary metal electrodes. The wrinkle-structured film was patterned using a photo-mask and UV curing, which has the same shape of the auxiliary metal electrodes. With this area-selective film, it was possible to enhance the external quantum efficiencies of the bottom and top emissions TOLEDs by 15.7% and 15.1%, respectively, without significant loss in transmittance. Widened angular luminance distributions were also achieved in both emissions directions.

Original language	English
Pages (from-to)	5356-5365
Number of pages	10
Journal	Optics Express
Volume	24
Issue number	5
DOIs	https://doi.org/10.1364/OE.24.005356
Publication status	Published - 2016 Mar 7

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.24.005356

Cite this

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title = "Area-selective external light extraction for metal bus equipped large Area transparent organic light-emitting diodes",

abstract = "Area-selective external light extraction films based on wrinkle structured films were applied to large transparent organic light-emitting diodes (TOLEDs) with auxiliary metal buses. To be specific, on the external surface of the glass, we selectively formed a wrinkle structured film, which was aligned to the auxiliary metal electrodes. The wrinkle-structured film was patterned using a photo-mask and UV curing, which has the same shape of the auxiliary metal electrodes. With this area-selective film, it was possible to enhance the external quantum efficiencies of the bottom and top emissions TOLEDs by 15.7% and 15.1%, respectively, without significant loss in transmittance. Widened angular luminance distributions were also achieved in both emissions directions.",

author = "Kang, {Byoung Kuk} and Hyunsu Cho and Han, {Jun Han} and Shin, {Jin Wook} and Jinouk Song and Park, {Seung Koo} and Jonghee Lee and Joo, {Chul Woong} and Eunhye Kim and Seunghyup Yoo and Lee, {Jeong Ik} and Ju, {Byeong Kwon} and Jaehyun Moon",

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T1 - Area-selective external light extraction for metal bus equipped large Area transparent organic light-emitting diodes

AU - Kang, Byoung Kuk

AU - Cho, Hyunsu

AU - Han, Jun Han

AU - Shin, Jin Wook

AU - Song, Jinouk

AU - Park, Seung Koo

AU - Lee, Jonghee

AU - Joo, Chul Woong

AU - Kim, Eunhye

AU - Yoo, Seunghyup

AU - Lee, Jeong Ik

AU - Ju, Byeong Kwon

AU - Moon, Jaehyun

PY - 2016/3/7

Y1 - 2016/3/7

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AB - Area-selective external light extraction films based on wrinkle structured films were applied to large transparent organic light-emitting diodes (TOLEDs) with auxiliary metal buses. To be specific, on the external surface of the glass, we selectively formed a wrinkle structured film, which was aligned to the auxiliary metal electrodes. The wrinkle-structured film was patterned using a photo-mask and UV curing, which has the same shape of the auxiliary metal electrodes. With this area-selective film, it was possible to enhance the external quantum efficiencies of the bottom and top emissions TOLEDs by 15.7% and 15.1%, respectively, without significant loss in transmittance. Widened angular luminance distributions were also achieved in both emissions directions.

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Area-selective external light extraction for metal bus equipped large Area transparent organic light-emitting diodes

Abstract

ASJC Scopus subject areas

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