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Yellow ( x ) - Blue ( 1 - x ) 칼라렌즈의 광흡수 특성과 color 분석
박상안(Sang An Park),김용근(Yong Geun Kim) 한국안광학회 2000 한국안광학회지 Vol.5 No.2
The colors of a tinted lens for a mixed color could be applied to a subtractive mixture`s law, and the estimation of a tinted lens used the properties of optical absorptions and the color analysis. The optical absorption properties of Yellow(x)-Blue(1-x) depended on the yellow color in short wavelength below 500 ㎚, the absorption in the 550-650 ㎚ wavelength regions depended on the blue color. The absorption band in the 550-650 ㎚ wavelength regions was a peak for an ion of transition metal. The color properties of Yellow(x)-Blue(1-x) analysing by the L^*a^*b^* of CIE system shifted to toward + a^* decreasing x, it was formed of a pure color because of a low saturation existing in + 0.6.
박상안(Sang An Park),김용근(Yong Geun Kim) 한국안광학회 2001 한국안광학회지 Vol.6 No.1
The color vision was composed of the wavelength absorption of three R. G. B cone photo-receptors and the r-g, y-b channel of an opponent process. The color vision defects mechanism for the electric circuit made up a photo cell, relay switch and transformer. This mechanism very well applied to the color vision defects mechanism owing to be y-b chromatic valence function in case of a cone R or G defects and to be r-g chromatic valence function in case of a cone B defects.
CIELab 표색계를 이용한 Panel D - 15 의 색각이상 혼돈색 line 연구
박상안(Sang An Park),김용근(Yong Geun Kim) 한국안광학회 2001 한국안광학회지 Vol.6 No.1
In order to analyze of the color perception Farnsworth Test Panel D-15 in the CIELab color space coordinates, it was measured by the reflectance spectrum of the 380-780 nm wavelength regions. The Test Panel D-15 was situated in the near origin point of higher the saturation in CIELab coordinates (a, b). Normal person perceived to the similar color for the color of small color difference, and color deficiency person depended on the confusing color line and the neutral point unconcerned with the color difference. In case of Ptotanopia, Deutrnopia, r-g defect, y-b defect with the color deficiency, the neutral points position (a.b) were each (2.12.1.02), (4.25,2.05), (2.51.0.25). (1.20,-1.10).
김용근(Yong Geun Kim),박상안(Sang An Park) 한국안광학회 1999 한국안광학회지 Vol.4 No.2
The optical absorption spectrum was measured of the tinted powder, tinted solution and tinted lens in the visible regions. The tinted powder was very different with color of tinted lens that the optical absorptions was so higher, composed of the thick-gray color. The optical absorptions of tinted solution were just a little appeared by the energy split of a transition metal ion, so constructed with each color space. The optical absorptions of the tinted lens were appeared with the energy split peaks to a transition metal ion, so its were affected by the color constructions. The optical absorption peaks of each lens were depend on the tinted time. Blue color lens had a lot of absorption in the short wavelength regions than 500nm, and had a little appeared in the high wavelength regions than 500nm. In case of a yellow color, the optical absorptions were appeared quite contrary to the blue color, so these colors had the opponent-colors each other. In case of green color, the optical absorptions had a high in the both edges, had a low in the middle regions. In the pink color, by the optical absorptions form of quite contrary to the green color it, these colors had the opponent-colors each other. In the brown color, the optical absorptions had a maximum values in the short wavelength regions, and it gradually decreased goes by the long wavelength regions.