• Title/Summary/Keyword: green color

Search Result 1,950, Processing Time 0.034 seconds

The Characteristics and Change of Colors on Fashion Collections in 1990s

  • Kim, Honey;Kim, Young-In
    • International Journal of Costume and Fashion
    • /
    • v.7 no.2
    • /
    • pp.18-31
    • /
    • 2007
  • The purpose of this study is to examine color characteristics and color changes of the fashion collections through 1990s, and to provide the efficient color information for color planning upon fashion themes. For this research, a total of 30,084 colors were collected from Paris, Milan, London, New York Collections in 1990s. Those colors were first measured by the Pantone Textile Color Specifier and COS Color System and spectrophotometer(color eye 580). These measured color values $L^{\ast}a^{\ast}b^{\ast}$of CIE were converted into H V/C of Munsell System, and 12 tones of PCCS with 5 achromatic colors. The characteristics of collected colors were analyzed in general and by place, season and year. The results of the study are as follows : First, the hues of purple blue, yellow red, red, yellow and the tones of grayish, pale, white, black, dark grayish, dull, light grayish appeared mostly. Yellow was shown quite frequently in spring/summer while purple, purple blue, red and yellow red in fall/winter. White, pale, light, light grayish and light gray were shown more frequently in spring/summer while Black, dark grayish, grayish, dark gray and dark in fall/winter. Second, the characteristics of colors by 4 representative places were similar to the general characteristics of colors in 1990's. Third, There were distributed widely Red, Yellow Red, Yellow in the early 1990s, Green Yellow, Green, Blue Green in the mid of 1990s, and Purple Blue, Purple in the late of 1990s. The distribution range of chromatic colors showed wide in both of the early of 1990s and the mid of 1990s for a while, and achromatic colors of grayish, gray and black appeared mostly in the late of 1900s.

Optical Properties as Coating Process of Complex Phosphor for White LED (백색 LED용 복합형광체의 코팅공정에 따른 광 특성)

  • Lee, Hyo-Sung;Kim, Byung-Ho;Hwang, Jong Hee;Lim, Tae-Young;Kim, Jin-Ho;Jeon, Dae-Woo;Jung, Hyun-Suk;Lee, Mi Jai
    • Korean Journal of Materials Research
    • /
    • v.26 no.1
    • /
    • pp.22-28
    • /
    • 2016
  • In this study, we fabricated high quality color conversion component with green/red phosphor and low melting glass frit. The color conversion component was prepared by placing the green and red phosphor layer on slide glass via screen printing process. The properties of color conversion component could be controlled by changing coating sequence, layer thickness and heat treatment temperature. We discovered that optical properties of color conversion component were generally determined by the lowest layer. On the other hand, the heat treatment temperature also affected to correlated color temperature (CCT) and color rending index (CRI). The color conversion component with a green (lower) - red (upper) layer which was sintered at $550^{\circ}C$ showed the best optical properties: CCT, CRI and luminance efficacy were 3340 K, 78, and 56.5 lm/w, respectively.

Complementary Color Scheme Which Appeared in Women's Fashion Collections of New York, Milan, Paris, and London

  • Kwon, Hae-Sook
    • Journal of Fashion Business
    • /
    • v.13 no.6
    • /
    • pp.125-136
    • /
    • 2009
  • The main objective of this research was to understand the characteristics of complementary color scheme through the analysis of contemporary women's fashion color coordination as they appear in the 'Collections'. Data collection of 115 was done through review of 'pr$\hat{e}$t-$\grave{a}$-porter Collections' of four cities; Milan, London, New York, Paris. Statistical analysis of frequency and also qualitative interpretation of characteristics of complementary color harmony characteristics which appeared in four collections were completed. The main findings were as followed; (1) Only 115 complementary color schemes out of 4968 two color combinations appeared. Compared the comparative ratios of appearance frequency between the two color combination and the complementary color harmony, London showed the highest, and followed by New York, and Milan and Paris. (2)The combined color type of 'red+green' was the most frequently appeared, and followed by 'violet+yellow' and 'orange+blue'. For the type of tone harmony, the contrast tone showed the most, and followed by the similarity and identity. According to the type of complementary color combination, the type of tone harmony used differently. Some differences showed in the types of color harmony and tone harmony between collections. (3) The complementary color scheme which shown in four collections harmonized two opposite colors mainly through the strong tone contrast and this could cause tension along with interest in the image. The complementary colors intensified and brought out the attributes each other. More details, high contrast of two complementary colors of yellow and violet created a vibrant look especially when used at higher saturation. Sometimes, however, some tone variations of two hues neutralized the strong effect and sometimes enhanced each other. When they used in similarity tones or identity tones in light colors, the tension was reduced and became softened but still presented nice harmony. In the type of 'red+green' color harmony, the various color combinations were demonstrated, mostly through tone manipulation of green color. The similarity tone harmony, which used the most, could effect a better sense of harmony and present more sophisticated looks. When used in contrast tone harmony, some changes in its own color which have only one color of two the excessive intensity led a good harmony. The 'orange+blue' color harmony was shown the least and used three tone harmony almost the same ratio. In this color harmony, blue amplified its energy and brilliance of orange and seemed to work better when one color was at a lower intensity than the other. In harmony with a similarity and an identity tone, this color harmony produces a stable and calm image. (4) The complementary scheme appeared more frequently in the S/S collections than in A/W collections and showed some differences in the types of color harmony and tone harmony between seasons, however, no big differences between collections.

A Study on LED with Small Form Factor Suitable for Green A of Night Vision Imaging System (야간 투시 영상시스템의 Green A에 적합한 작은 형태인자를 가진 LED에 관한 연구)

  • Kim, Tae Hoon;Yu, Chang Han;Yoon, Hyeon Ju;Kim, Min Pyung;Yoon, Ho Shin
    • Journal of the Semiconductor & Display Technology
    • /
    • v.20 no.4
    • /
    • pp.62-67
    • /
    • 2021
  • In this study, we have successfully developed an unique NVIS Green A compatible LED by combining two technologies. One is white LED made with a black EMC (epoxy molding compound) lead frame. The other is NVIS Green A filter that shields the near infrared region made in the film method. The form factor of the developed NVIS Green A compatible LED was 2.0 × 2.0 × 0.95 mm. And it is possible to satisfy NVIS radiance and color limit specified in MIL-STD-3009 by controlling the concentration of Green A dye and the thickness of the NVIS filter as well as adjusting of color temperature of the white LED. From these results, we are expected that the developed NVIS Green A suitable LED is a promising solution for the weight reduction and the cost reduction of avionic applications.

A Study on the Costumes in a Portrait of the Buddhist Monk of the SONG KWANG Temple. (송광시 조사도에 나타난 복장에 관한 연구 - 색과 문양을 중심으로 -)

  • 안명숙
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.18 no.1
    • /
    • pp.57-64
    • /
    • 1994
  • This study investigates the costumes of the Most Reverend Priest, which shows a portrait of the Buddhist monk in Koryo dynasty, owned by SONG KWANG Temple. A surplice and a long sleeved Buddhist robe was chiefly shown up a portrait of a Buddhist monk. The purpose of this study find out the color, form, pattern, material, adornment of the costumes which is appeared a portrait, and also seek to changing process according to the times. the finding in this paper are ; * A surplice - color : red, green, yellow etc. form' big size surplice, provision surplice. pattern : no. material : unstriated silk. adornment' bolt, ribbon. * A long sleeved Buddhist robe- color : grey, blue, dark blue, pink, green, chestnut .etc. pattern : no. In comparison with a survery of previous studies of Buddhist comstumes, the color and type of the Koryo dynasty are more brilliant various color. In other words, the social status of monk in the Koryo is higher than present day.

  • PDF

Characteristics of Greenish Pigments from Silkwarm Excrement by Ethanol Extraction (누에 배설물에서 Ethanol 추출한 녹색색소의 일반적 성질)

  • 김용환
    • The Korean Journal of Food And Nutrition
    • /
    • v.11 no.4
    • /
    • pp.375-380
    • /
    • 1998
  • A study of characteristics of greenish pigments from silkwarm excrement by ethanol extraction. Through visible absorption scanning, it showed two absorption peaks at 415 and 657nm, and it was shown to be greenish color. In the presence of light, the stability of pigments rapidly degraded, but in the presence of Al-foil, green and blue cover were very stable. It was shown to be stabilized at the temperature of 7$0^{\circ}C$ until 20days and presence of metal ions, such as Na+, K+, Ca2+, Mg2+ and Zn2+. The pigments was shown to be stabilized in 5% acetic acid solution, but in the presence of lactic acid, citric acid and tartaric acid solution were unstable. On the result of TLC analysis, pigments were shown to be composed of eight color fractions, and main color fractions were F-1, F-2 and F-3. In F-1, F-2 fractions were revealed green color and F-3 fraction were revealed yellow color.

  • PDF

INVERSE HALFTONING OF COLOR IMAGE USING KALMAN FILTER

  • Kemuriyama, Yohei;Tanaka, Ken-Ichi
    • Proceedings of the Korean Society of Broadcast Engineers Conference
    • /
    • 2009.01a
    • /
    • pp.684-688
    • /
    • 2009
  • In this paper, it proposes the technique to restore from a binary image in the color image. The color image is composed of three element images of red, green and blue. Therefore, the color image is first divided into a red, green, and blue element, and the Inverse Halftoning[2]$\sim$[4] is processed to each element images. Finally, each element images is collectively displayed. In that case, the Kalman filter was applied to the Inverse Halftoning for the restoration accuracy improvement of the image. As a result, it was possible to restore it in the color image as well as the time of a monochrome image. Moreover, the result that the restoration accuracy had improved even when which combining with the technique by using the Kalman filter for the Inverse Halftoning so far came out.

  • PDF

On-line Inspection Algorithm of Brown Rice Using Image Processing (영상처리를 이용한 현미의 온라인 품위판정 알고리즘)

  • Kim, Tae-Min;Noh, Sang-Ha
    • Journal of Biosystems Engineering
    • /
    • v.35 no.2
    • /
    • pp.138-145
    • /
    • 2010
  • An on-line algorithm that discriminates brown rice kernels on their echelon feeder using color image processing is presented for quality inspection. A rapid color image segmentation algorithm based on Bayesian clustering method was developed by means of the look-up table which was made from the significant clusters selected by experts. A robust estimation method was presented to improve the stability of color clusters. Discriminant analysis of color distributions was employed to distinguish nine types of brown rice kernels. Discrimination accuracies of the on-line discrimination algorithm were ranged from 72% to 85% for the sound, cracked, green-transparent and green-opaque, greater than 93% for colored, red, and unhulled, about 92% for white-opaque and 67% for chalky, respectively.

The Design of LED Module for Full-Color Display (Full-Color Display를 위한 LED Module의 Design)

  • 송유리;원창섭;최연석;임석준;안형근;한득영
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
    • /
    • 1996.11a
    • /
    • pp.274-277
    • /
    • 1996
  • This paper describes the realization of the full-color to the degree of nearest white light by compounding high brightness Red, Green and Blue LEDs with appropriate proportional index. Once these three colors; red, green and blue are mixed, they are genearlly additive mixing and produce white light color contrasted to negative mixing. The luminous efficiency is defined as the product of the efficiency(lm/w), which indicates the degree of perceptual response by the human eye to unit energy(W) of light emitted by an active display devises and as the conversion efficiency of the device from electric power consumed to optical energy produced. We will deduce the each number of LEDs theoretically and design several shapes of LED displays for the full-color. Finally theoretical predictions will be compared with the measured data with different type of display designs.

  • PDF

Wide Color Gamut Backlight from Three-band White LED

  • Kim, Il-Ku;Chung, Kil-Yoan
    • Journal of the Optical Society of Korea
    • /
    • v.11 no.2
    • /
    • pp.67-70
    • /
    • 2007
  • A Wide Color Gamut Backlight system was studied using a three-band white Light-Emitting Diode. A three-band white light-emitting diode (LED) was fabricated using an InGaN-based blue LED chip that emits 445-nm blue peak, and a green phosphor and red phosphor that emit 535-nm green and 621-nm red peak emissions, respectively, when excited by 450-nm blue light. Using for this three-band white LED, wide color gamut backlight unit (BLU) was attained. The luminance of BLU and CIE 1931 chromaticity coordinates was $1,700Cd/m^2$ and (0.337, 0.346). Color filter matching simulations for this configuration show that the three-band white LED backlight can be enhanced by up to 16% over conventional white LED backlight color gamut.