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학술지 Electrochromic Device with Self-diffusing Function for Light Adaptable Displays
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저자
조성목, 김태엽, 아칠성, 송주희, 전상훈, 류호준, 김주연, 김용해, 황치선
발행일
201804
출처
Solar Energy Materials & Solar Cells, v.177, pp.89-96
ISSN
0927-0248
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.solmat.2017.04.021
협약과제
16MB1100, 미래광고 서비스를 위한 에너지절감형 환경적응 I/O (Input/Output) 플랫폼 기술 개발, 황치선
초록
Light-adaptable (LA) displays combining the advantages of reflective and emissive displays, are considered as the future of display technology. Electrochromic devices are potentially strong candidates for reflective-mode LA displays because of their high transmittance in the transparent state and low power consumption. However, the narrow viewing angle of these displays in relation to a hybrid structure of the LA display, is a technical barrier that must be overcome for the successful application of electrochromic devices to light-adaptable displays. In the present study, an electrochromic device with a self-diffusing function was developed for application to light-adaptable displays. Si3N4 scattering particles were incorporated in the TiO2 nanostructure-based electrochromic device. Efficient forward diffuse scatterings were obtained without deteriorating the total transmittance of the device. The contrast ratio and color gamut of the electrochromic device were dramatically improved because of the addition of the scattering particles.
KSP 제안 키워드
Display technology, Electrochromic device(ECD), High transmittance, Hybrid structure, Technical barrier, color gamut, contrast ratio, low power consumption, scattering particles, viewing angle