• 한국정보디스플레이학회:학술대회논문집
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• 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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• pp.697-699
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• 2009

Optical properties of white organic light-emitting devices (WOLEDs) fabricated utilizing a phosphor layer acting as a color conversion layer were investigated. The WOLEDs were achieved due to the enhancement in the color conversion efficiency of the phosphor layer, and the chromaticity coordinates of WOLEDs were (0.29, 0.33).

• 한국염색가공학회지
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• 제12권5호
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• pp.280-287
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• 2000

For thousands of years, dyes were obtained from natural sources, such as plants and animals. Although synthetic dyes have replaced many natural dyes for commercial use but natural dyes with their fascinating color are still used extensively by some people. To investigate the dyeing properties of chestnut bur, which is most widely found in our country, some experiments were performed under the several dyeing conditions with silk and cotton fabrics. It was found that $\lambda_{max}$ of chestnut but extract was 410nm and the color of the fabric dyed is Yellow Red. The K/S value of silk and cotton fabrics increased when the dyeing temperature was higher than $60^\circ{C}$ and the dyeing time was more than 30 minutes. Optimal dyeing pH was between 5 and 6, and repetition of dyeing increased K/S value of the sample fabrics. K/S value of silk fabric dyed with chestnut bur extract was higher than that of cotton. Post-mordanting method showed higher color yield compared with pre-mordanting, and higher temperature and increased time in mordanting increased the dye-uptake.

• 한국의상디자인학회지
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• 제17권2호
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• pp.45-61
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• 2015

In order to analysis on color difference of natural dyes, I have dyed Hanji, cotton, silk fabric and exposed them to carbon arc light. The results of experiment have been analysed by wavelength of maximum absorption, amounts of dye uptake, color difference, Hunter's value and Munsell's value. Gardenia Jasminoides is monogenetic dye, but it gained darker color by pre-mordanting method used Al mordant agent and greenish yellow color by Fe mordant agent. whereas Curcuma, an Amur cork, and bud of pagoda tree are shown as greenish yellow color, and A barberry root, Betel nut, and Rhubarb are shown as reddish yellow color. these gained khaki colored dyed fabric by Fe mordanting. In addition, Sappan wood showed great result in pre-mordanting. Especially, it gained dark red color by Al pre-mordanting. The pink color was shown by post-mordanting. and Logwood showed great dyeing result in Hanji and cotton better than silk. Specially pre-mordanting was effective. Hanji and cotton showed greenish blue color by Al pre-mordanting, and silk showed brown color.

• 대한건축학회논문집:계획계
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• 제35권12호
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• pp.31-41
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• 2019

Biophilic design gives human beings positive and valuable experiences in nature. The experience in nature in the architectural environment is mainly symbolic and metaphorical, and is based on visual sensations such as color, form, and image. Recently, modern people living in a modern and simple style indoor space have a desire to pursue visual stimuli for interest or pleasure. This desire can be satisfied through color, lighting, and finishing plan. Therefore, the purpose of this study is to propose a biophilic design color palette based on the empirical characteristics and properties of biophilic design. The methods used in this study are as follows. First, the biophilic design factors and natural landscape preference criteria are examined. Second, based on the review results, natural landscape images are selected and color information for each biophilic design element is extracted according to the vertical and horizontal directions. Third, color information is converted to NCS color code and palette range and hue range are derived through the analysis of ratio and average values. Finally, based on the analysis results, biophilic design color palette is proposed for each element. The results of this study might be useful as basic data in establishing biophilic design strategies and applying them to architecture and interior construction.

• 한국패류학회지
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• 제25권3호
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• pp.203-210
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• 2009

본 연구에서 우리는 다양한 종류의 패각을 사용하여 진주패각에서 나타나는 컬러 및 광학적 현상에 대해 비교 분석하였다. 다양한 종류의 패각의 진주층 단면 및 표면 SEM 이미지와 FFT 시뮬레이션을 수행했다. 그리고 반사율 측정을 통하여 패각에서 나타나는 광학적 현상에 대해 규명하고 패각의 광학적 현상에 의해 모패를 감별하기 위한 데이터를 구축하였다. 또한 패각의 진주층 구조에 기인한 회철현상을 바탕으로 하여 여러 각도의 분광반사율을 측정해서 보는 각도에 따라 패각의 색이 달라지는 현상에 대해 분석하였다.

• 감성과학
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• 제12권1호
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• pp.109-120
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• 2009

본 연구는 천연염색 직물의 색채로 가장 일반적으로 사용되는 황색과 적색 계열의 색채를 대상으로 색채감성요인의 예측모델을 제시함으로써 색채감성에 영향을 미치는 색채감각과 물리적 색채특성을 규명하고자 하였다. 동일한 견직물에 염색한 서로 다른 320종의 천연염색 색채를 군집 분석하여 선정한 각 4종씩의 황색계열과 적색계열의 색채에 대하여 40대 남녀 30명을 대상으로 의미미분법에 의하여 색채감각 및 감성을 평가하였다. 색채감성용어에 대한 요인분석 결과 3개 요인이 도출되었는데, 요인<활동성>에는 $L^*,\;b^*$, '맑다', '밝다'의 감각과 정적상관을 보여서, 명도가 높고 노랑기가 많은 황색계열 천연염색 직물들이 높은 평가를 받았다. 요인<독특성>은 $a^*$와 '따뜻하다'와 정적 상관을 나타내어서, 적색계열 천연염색 직물들에서 더 강하게 느껴지는 경향을 보였다. 요인<편안성>은 색채감각 '강하다'와 부적 상관을 보였는데, 황색과 적색에 따른 차이가 나타나지 않았다. 각 색채감성요인을 정량화하기 위해 단계적 회귀분석을 통해 수립한 예측모델에서 요인<활동성>은 색채특성 $L^*$ 값이 클수록 더 강하게 인지되어서 무매염 황벽 염색 직물의 색채의 <활동성> 요인점수가 가장 높았으며, 요인<독특성>은 색채특성 $a^*$와 색채감각 '가볍다'가 설명변인으로 진입하여서 $a^*$값이 가장 높은 무매염 홍화300% 염색직물이 <독특성> 감성이 가장 강하게 인지되었다. 또한 요인<편안성>은 색채감각 '강하다'가 부적 설명 변인으로 나타났으며, '강하다'의 점수가 가장 낮은 커피100% 알루미늄 2%매염직물 등의 <편안성> 요인점수가 높게 나타났다.

• 자연과학논문집
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• 제8권2호
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• pp.191-198
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• 1996

양말의 염색견뢰도에 영향을 주는 땀, 세탁의 인자를 선택하여 재질별, 성별착용에 따른 양말의 염색 견뢰도와 오염도 및 내구성 실험을 행하였다. 반복된 착용과 세탁에 의해 양말의 염색견뢰도는 면 100%의 것이 가장 우수하게 나타났으나 수축은 혼방제품과 면 양말에서 크게 나타났다. 성별착용 실험결과 남자가 착용한 것이 여자의 것보다 오염도, 수축, Pill 등이 훨씬 크게 나타나 내구성이 떨어지는 것으로 밝혀졌다.

• 제어로봇시스템학회논문지
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• 제17권4호
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• pp.346-352
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• 2011

This paper presents a system of road extraction for traffic images from a single camera. The road in the images is subject to large changes in appearance because of environmental effects. The proposed system is based on the integration of color correlograms and random forest. The color correlogram depicts the color properties of an image properly. Using the random forest, road extraction is formulated as a learning paradigm. The combined effects of color correlograms and random forest create a robust system capable of extracting the road in very changeable situations.

• 전자공학회논문지B
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• 제33B권8호
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• pp.68-80
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• 1996

In this paper, we propose a novel color image segmentation algorithm based on clustering in 3-dimensional color space employing the mathematical morphology. More specifically, since we take into account the topological properties such as the shape, connectivity and distribution of clusters in the clustering process, the number of clusters in the color cube, as well as their centers, can be easily obtained, without a priori knowledge on the input images. Intensive computer simulation has been performed and the results are discussed in this paper. The resutls of the simulation on the images in various color coordinates show that the segmentation is independent of the choice of color coordinates and the shape of clustes. Segmentation results of the vector quantizer are also presented for the comparison purpose.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2009년도 추계 학술논문 발표대회
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• pp.19-22
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• 2009

The Study has analyzed the overall material properties, the measurement of forming colors and applicability of color concrete through making color concrete using red mud heated at 800℃mixed with existing pigment and applying it to the actual field. As the results, the slump flow and aeration meet the target value and the compressed strength of the concrete mixed with red mud and pigment is higher than that of the plain. In addition, the measurement of forming colors turn out to be satisfactory and the color forming is excellent. In the field application, the color concrete panel is proved to make sure the beauty of store exits through its various design available.