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학술지 Thin Film Display Based on Polymer Waveguides
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저자
박선택, 박봉제, 윤성률, 남세광, 박승구, 경기욱
발행일
201409
출처
Optics Express, v.22 no.19, pp.23433-23438
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.22.023433
협약과제
14NE5100, 형상 재구성이 가능한 능동 마이크로 렌즈 어레이, 경기욱
초록
This paper reports thin, transparent, and soft displays based on polymer waveguides that are compliant with curvilinear interfaces. In order to prove a feasibility of optical waveguide for a flexible display, we suggest the waveguide fabricated by a multi-step lithography process using two photo-curable pre-polymers with different refractive index. The displays are composed of light sources, polymer waveguides, and scatter patterns. The light signal propagating through the waveguides forms images of the scatter patterns by deflecting the light signals to outer surface. The scatter patterns are configured to a seven-segment. The seven-segment design with a switching methodology of the light sources contributes to selectively representing all decimal numbers from 0 to 9 by combination of activated segments. For a large area display based on the proposed methodology, a single light source interconnected to multi-waveguide section is integrated with a QWERTY key pad design. The display shows high transparency and flexibility without visual distortion.
KSP 제안 키워드
High transparency, Light sources, Multi-step lithography, Optical waveguides, Photo-curable, Pre-polymers, Visual Distortion, flexible display, large area, lithography process, polymer waveguide