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김시민(Si Min Kim),박수영(Soo Young Park) 한국고분자학회 2012 폴리머 Vol.36 No.5
평판 디스플레이에 사용되는 PET 필름의 광학적 특성을 알아보기 위하여 필름 표면 굴절률, 필름 표면조도 및 필름 내부입자가 광투과율에 미치는 영향을 알아 보았다. 필름표면에 굴절률이 낮은 코팅층을 형성함에 따라 필름의 광투과율이 향상되었고, 최대의 광투과율을 가지는 코팅두께가 있음을 확인하였다. 표면 거칠기의 영향에 대해서는 표면조도를 나타내는 Ra를 입사 파장의 1/4 이하로 조절한 경우 광손실이 발생되지 않았다. 필름 내 무기입자는 입사된 광의 흡수 및 산란을 발생시켜 광손실을 증가시켰다. Poly(ethylene terephthalate) (PET) base films with high light transmittance have been used for the substrate of various functional films in the flat panel display. The effects of the reflective index of coated films, the roughness of the film surface and the content of inorganic silica particles on the light transmittance were studied in this article. Light transmittance was increased by coating a water soluble resin with a low reflective index at an optimum thickness. The roughness of the film did not affect light transmittance when the Ra of the film surface was less than a quarter of the wavelength of incident light. Inorganic silica particles decreased light transmittance due to their absorbance and scattering of the incident light.
언리얼 라이브 링크를 이용한 3D애니메이션 제작 공정의 효율성 분석 연구
권종산,김시민 대한산업경영학회 2023 산업융합연구 Vol.21 No.9
There have been many studies to improve the efficiency of the CG production process, but it was not easy to overcome the problem that it was difficult to check the result in the middle of work and it took a lot of time for rendering. However, as the possibility of using Unreal Live Link, which can check the result in real-time, is increasing, expectations for improving the efficiency of the production process are rising. This study analyzed the efficiency of the 3D animation production process using Unreal Live Link. To this end, modeling, rigging, animation, and layout work were done in Maya, and the final output image sequence was rendered in Unreal Engine through Unreal Live Link. And the difference between this production process and the existing production process in which the final output image sequence is rendered in the 3D software itself was compared and analyzed. As a result of the analysis, unlike the traditional 3D animation production process, it was possible to check the final work result in real-time by proceeding with the work through a high-quality viewport screen, and it was found that the efficiency of work was maximized by deriving the final result through real-time screen capture. Recently, the use of game engines in the 3D animation and film industry is gradually increasing, and the efficiency of work is expected to be maximized if Unreal Live Link is used.