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학술지 Display Process Compatible Accurate Graphene Patterning for OLED Applications
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저자
신진욱*, 한준한*, 조현수, 문제현, 권병화, 조승민, 윤태식, 김택수, Maki Suemitsu, 이정익, 조남성
발행일
201801
출처
2D Materials, v.5 no.1, pp.1-9
ISSN
2053-1583
출판사
Institute of Physics (IOP)
DOI
https://dx.doi.org/10.1088/2053-1583/aa9cae
초록
Graphene film can be used as transparent electrodes in display and optoelectronic applications. However, achieving residue free graphene film pixel arrays with geometrical precision on large area has been a difficult challenge. By utilizing the liquid bridging concept, we realized photolithographic patterning of graphene film with dimensional correctness and absence of surface contaminant. On a glass substrate of 100 × 100 mm2 size, we demonstrate our patterning method to fabricate an addressable two-color OLED module of which graphene film pixel size is 170 × 300 μm2. Our results strongly suggest graphene film as a serviceable component in commercial display products. The flexible and foldable display applications are expected to be main beneficiaries of our method.
KSP 제안 키워드
Commercial Display, Display applications, Geometrical precision, Glass substrate, Liquid bridging, Optoelectronic applications, Photolithographic patterning, Pixel size, Two-color, graphene films, graphene patterning