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나노 구조 물리 연구단
나노구조물리 연구단
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Reflective colored organic light-emitting diodes for light-adaptable display

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Title
Reflective colored organic light-emitting diodes for light-adaptable display
Author(s)
Jong Tae Lim; Joon Tae Ahn; Jonghee Lee; Jaehyun Moon; Seong M. Cho; Chil Seong Ah; Seong Chu Lim; Jeong-Ik Lee
Publication Date
2016-11
Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.16, no.11, pp.11843 - 11848
Publisher
AMER SCIENTIFIC PUBLISHERS
Abstract
A new light-adaptable display (LAD), consisting of reflective, colored, organic light-emitting diodes (RCOLEDs) and an optical shutter (OS), was fabricated. The RCOLED is composed of a color-selective reflective filter (CSRF) functioning in reflective mode under bright conditions, and a transparent OLED (TOLED) working in emissive mode under relatively dark conditions. The OS functions to pass or shield the light generated in the TOLED or from the outer environment. In this RCOLED, the CSRF was designed based on the concept of Fabry-Pérot interferometry to represent a specific color of red, blue, and green. The TOLED was designed using a low-reflective multi-layered graphene as an top electrode to suppress the distorted optical interference from reflective mirrors in the RCOLED. The color reproduction range calculated from RCOLEDs with a graphene top electrode was dramatically improved (35.0%), compared to that computed from RCOLEDs with a semi-transparent thin-silver top electrode (2.4%). Finally, we demonstrate that the new dual-mode LAD works well. Copyright © 2016 American Scientific Publishers All rights reserved
URI
https://pr.ibs.re.kr/handle/8788114/3243
ISSN
1533-4880
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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