S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Chemical and Biological Engineering (화학생물공학부) Chemical Convergence for Energy and Environment (에너지환경 화학융합기술전공) Journal Papers (저널논문_에너지환경 화학융합기술전공)
Bioinspired artificial eyes: Optic components, digital cameras, and visual prostheses
- Lee, Gil Ju; Choi, Changsoon; Kim, Dae-Hyeong; Song, Young Min
- Issue Date
- Advanced Functional Materials, Vol.28 No.24, p. 1705202
- bioinspired imaging systems; flexible electronics; soft materials; stretchable electronics; visual prostheses
- The diverse vision systems found in nature can provide interesting design inspiration for imaging devices, ranging from optical subcomponents to digital cameras and visual prostheses, with more desirable optical characteristics compared to conventional imagers. The advantages of natural vision systems include high visual acuity, wide field of view, wavelength-free imaging, improved aberration correction and depth of field, and high motion sensitivity. Recent advances in soft materials, ultrathin electronics, and deformable optoelectronics have facilitated the realization of novel processes and device designs that mimic biological vision systems. This review highlights recent progress and continued efforts in the research and development of bioinspired artificial eyes. At first, the configuration of two representative eyes found in nature: a single-chambered eye and a compound eye, is explained. Then, advances in bioinspired optic components and image sensors are discussed in terms of materials, optical/mechanical designs, and integration schemes. Subsequently, novel visual prostheses as representative application examples of bioinspired artificial eyes are described.
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