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      • KCI등재

        경사증착법을 이용한 PM-OLED용 무기박막형 보호층 연구

        김광호,김훈,김재경,도이미,한정인,주병권,Kim, Kwang-Ho,Kim, Hoon,Kim, Jae-Kyung,Do, Lee-Mi,Han, Jeong-In,Ju, Byeong-Kwon 한국전기전자재료학회 2003 전기전자재료학회논문지 Vol.16 No.9

        In this study, the MgO thin-film passivation layer was adopted to protect passive matrix organic light emitting diode(PMOLED) with the cathode separator from moisture and oxygen. Using the substrate rotate and tilt technique during the deposition, the organic and cathode layers were perfectly covered with MgO. And then, we analyzed the difference of the current-voltage and luminescence characteristics between passivated OLED of the MgO and non-passivated OLED. It was found that the number of dark spot generated from the degradated pixel was decreased owing to the Mgo thin-film passivation layer using the tilt & rotate technique. And the half-life time passivated OLED was improved two times more. Thus, the MgO could be vaccum-deposited under the low temperature and had a merit that the organic layer was not much affected. We can consider that MgO thin film passivation method can be adopted to protect the OLED from moisture and oxygen and can offer the enhancement of lifetime.

      • KCI등재

        최근 국내외에서 육성된 무궁화 127 품종 중 조경적 활용가치가 높은 유망품종 선발

        김광호 ( Kim Kwang-ho ),이춘석 ( Lee Chun-suk ),강호철 ( Kang Ho-chul ) 한국전통조경학회(구 한국정원학회) 2016 한국전통조경학회지 Vol.34 No.3

        본 연구는 조경수용 무궁화 우수품종 보급을 위한 유전자원 수집과 특성을 평가하기 위해 최근 국내외에서 육성된 127품종의 1년생 접목묘를 이용하여 2014년부터 2015년까지 2년 동안 생육 및 형태적 특성조사를 실시하였다. 수집된 품종 중 화색 및 꽃이특이한 품종을 조사하여 무궁화를 조경수로 활용도를 높이는데 기여하고자 하였으며 얻어진 결과는 다음과 같다. 최근 국내외에서 육성된 품종들의 화색별 분류로는 크게 분홍색 단심(pink color with red eye spot), 흰색 단심(white color withred eye spot), 붉은 자주색 단심(purplish red color with red eye spot), 분홍보라색 단심(violet pink color with red eye spot), 심홍색단심(crimson color with red eye spot), 흰색 바탕에 붉은색 무늬의 이중색(asadal), 흰색(white color), 푸른색(blue color) 등 총 8종류로 분류되었다. 화색이 붉은 자주색으로서 적색이 강한 꽃으로 국내에서 육성된 품종으로 ‘광명’, ‘난파’, ‘노스페이스’, ‘불새’, ‘비단’,‘송암’, ‘영창’, ‘적퍼소’, ‘키호’, ‘탐라’, ‘화수레드’, ‘환희’ 등이 있었으며, 국외에서 육성되어 국내에 도입된 품종으로는 ‘Aphrodite’,‘Dr. Uemoto’, ‘Freedom’, ‘Pink Cup’, ‘PS 80-1’, ‘Purpureus Variegatus’, ‘Red Giant’, ‘Woodbridge’ 등이 있었다. 화색이 분홍보라색으로서 특이한 품종으로는 ‘꼬마’, ‘도투락’, ‘명미’, ‘병화’, ‘산처녀’, ‘태화’, ‘Hikari-hanagasa’, ‘Little Kim Violet’ 등이 있었다. 화색이 심홍색으로 기존의 꽃에서는 볼 수 없는 특이한 품종으로 ‘종무’와 ‘Ruffled Satin’ 등이 있었다. 최근 국내외에서 육성된 품종중 조경수용 소재로 보급할 수 있는 품종중 기존 품종에 비해 꽃의 크기가 큰 품종으로 무궁화 종간교잡종인 Hibiscus hybrid ‘Daewangchun’, ‘Daeil’,‘Jina’ 등이 있었다. 반면 꽃이 작고 조경적 가치가 높은 품종으로 ‘꼬마’, ‘미백’, ‘안동’, ‘릴킴’, ‘은하수’ 등이 있었다. 백단심계 무궁화‘꼬마’ 품종은 수고가 작은 왜성형으로 꽃의 크기가 5.2cm로 작은 소형화 품종으로 나타났다. 기존 품종에 비해 단심의 길이가 긴품종으로 ‘훈장’과 ‘하이리레드’가 있었다. 홍단심계 무궁화 ‘훈장’은 꽃의 크기는 12.0cm로 중간크기이나 단심길이는 4.8cm로 지금까지육성된 품종중 가장 긴 품종이었다. 또한 홍단심계 무궁화 ‘하이리레드’의 단심길이 역시 4.2cm로 꽃잎 길이에 비해 단심의 길이가 길어 조경적 가치가 높은 것으로 판단되었다. This study was carried out to characterize 127 recently developed cultivars of Rose of Sharon (Hibiscus spp.) in Korea and foreign Countries for landscape uses. The examined factors were growth characteristics such as tree height of a 1-year grafted plant(cm), plant type, growth habit, leaf characteristics such as shape and size, flower characteristics such as color, shape, size, and red eye during 2014 and 2015 for landscape uses. The results are obtained as follows; In the results of flower color of the 127 recently developed cultivars, pink color with red eye spot, white color with red eye spot, purplish red color with red eye spot, violet purple color with red eye spot, crimson color with red eye spot, asadal, blue color with red eye spot, and white color were distributed. In the flower characteristics, Hibiscus hybrid ‘Daewangchun’ had the largest flower size of 16.0cm out of the 127 cultivars. H. syriacus ‘Antong’, ‘Lil Kim’, and ‘Ggoma’ were cultivars with smaller flowers than other cultivars. H. syriacus ‘Hunjang’ had largest red eye, of 5.2cm of length compared to the other cultivars. The cultivars with unique flower color for landscape uses are H. syriacus ‘Kwangmyung’, ‘Nanpa’, ‘North face’, ‘Bulsae’, ‘Bidan’, ‘Songam’, ‘Youngchang’, ‘Jukpeoso’, ‘Kiho’, ‘Tamla’, ‘Hwasoored’ and ‘Hwanhee’. These flowers had a purplish red color and were developed in Korea. H. syriacus ‘Aphrodite’, ‘Dr. Uemoto’, ‘Freedom’, ‘Pink Cup’, ‘PS 80-1’, ‘Purpureus Variegatus’, ‘Red Giant’, ‘Woodbridge’ also had unique flowers with a purplish red color and were introduced from foreign countries. In addition, cultivars with violet pink flowers were H. syriacus ‘Ggoma’, ‘Doturak’, ‘Myungmi’, ‘Byunghwa’, ‘Sancheonyu’, ‘Taehwa’, ‘Hikari-hanagasa’, and ‘Little Kim Violet’. ‘Jongmoo’ and ‘Ruffled Satin’ had flowers with crimson color. Therefore, the new cultivars with unique flower colors were a promising cultivars to a woody landscape plant. Cultivars with large flower sizes were Hibiscus hybrid ‘Daewangchun’, Hibiscus hybrid ‘Daemang’, and Hibiscus hybrid ‘Jina’. H. syriacus ‘Ggoma’, ‘Mibeak’, ‘Antong’, ‘Lil Kim’, and ‘Eunhasu’ had small flower sizes. Cultivars with long red eye were H. syriacus ‘Hunjang’ and H. syriacus ‘Hi Lea Red’. Therefore, the new cultivars, Hibiscus hybrid ‘Daewangchun’, Hibiscus hybrid ‘Daemang’, Hibiscus hybrid ‘Jina’ with large flower sizes, H. syriacus ‘Ggoma’, ‘Mibeak’, ‘Antong’, ‘Lil Kim’, and ‘Eunhasu’ with small flower sizes, H. syriacus ‘Hunjang’ and H. syriacus ‘Hi Lea Red’ with long red eye, were promising cultivars to a woody landscape plant.

      • KCI등재

        경락(經絡)과 정신양생(精神養生)의 관계 설정(設定)에 대(對)한 고찰(考察)

        백진웅,김광호,Baek Jin-Woong,Kim Kwang-Ho 대한예방한의학회 2001 대한예방한의학회지 Vol.5 No.2

        It is thought that Kim Hong-kyeong followed the existing theory of Meridian(經絡) and supplemented his unique perspectives in interpreting it. And he tried to relate Meridian with hygiene of mind. I took up with the research on the assumption that the review of Kim's method can present new perspectives to the study of relationship between Meridian and hygiene of mind. The results of my study are as follows: 1. Kim followed common theory of Meridian and then added his unique perspectives to it. His method of interpretation has one characteristic. By introducing Idealism(唯心論), he understood 'Meridian' as the path of the mind and the emotion. Especially I think his hypothesis that acupuncture can be widely used in mental diseases as well as body related diseases and its applications to treatment are very valuable. 2. Meridian and hygiene of mind are close together. I think Kim's unique trial is something new in studying relationship between Meridian and hygiene of mind but requires more research on it.

      • KCI등재

        Paleomagnetism and K-Ar Age of Volcanic Rocks from Guryongpo Area, Korea

        김광호,원종관,마츠다 준이치,나가오 케이스케,이문원,Kim, Kwang Ho,Won, Jong Kwan,Matsuda, Jun-ichi,Nagao, Keisuke,Lee, Moon Won The Korean Society of Economic and Environmental G 1986 자원환경지질 Vol.19 No.3

        구룡포지역을 고지자기학적으로 연구하고 또한 분포된 암석의 K-Ar연대를 결정하기 위하여 14개지점으로부터 반암류, 안산암류, 석영안산암류 및 적색사암등의 시료를 채취하였다. K-Ar연대 측정결과 반암류와 화산암류는 각각 42.7Ma 및 22.7-19.4Ma에 형성되었음을 나타냈다. 각 지점별로 이들 시료를 최적자기장에서 교류소자한 후에는 자화방향이 한방향으로 집중되었다. 후기마이오세의 반암류들은 모두 정자화를 하고 있었고 후기올리고세에서 초기마이오세에 걸쳐서 분출된 화산암류들은 정자화를 한 것과 역자화를 한 것으로 나뉘어 나타났다. 반암류와 화산암류의 평균 자화방향은 서로 유사한 방향이었으며 또한 동쪽 편각을 보여주었다. 암석전체의 평균자화방향은 평균편각 $Dm=43.8^{\circ}$, 평균복각 $Im=53.5^{\circ}$, 95%의 신뢰도를 나타내는 원의 반경 ${\alpha}95=12.2^{\circ}$이다. 연구지역의 암석들에서 정자극과 역자극이 동시에 나타난점과 또한 이들이 서로 비슷한 편각을 갖고 있다는 점들로 미루어 측정된 고지자기 방향의 신뢰도가 크다고 판단되었다. 측정된 동쪽편각 $43.8^{\circ}$는 이 지역이 동쪽으로 약 $40^{\circ}{\sim}50^{\circ}$정도 회전한 결과라 해석하였다. Samples of porphyries, andesites, decites and sandstones were collected from 14 sites in order to study paleomagnetism and to determine K-Ar age in Guryongpo area. K-Ar age dating indicates that porphyries and volcanic rocks formed 41.7 and 22.7~19.4Ma, respectively. The mean direction of remanent magnetization for each site was generally well grouped after alternating field demagnetization. Both normal and reversed directions are present. The mean magnetic direction of the porphyries of Late Eocene and that of the volcanic rocks of Late Oligocene to Early Miocene have similar, easterly declinations. Overall magnetic direction is $Dm=43.8^{\circ}$, $Im=53.5^{\circ}$, ${\alpha}95=12.2^{\circ}$. the reliability of the observed paleomagnetic directions is ascertained by the presence of normal and reversed polarities. This is also conformed by the similarity of the declinations of the normal and reversed polarities. Observed easterly declinations in this area are attributed to local clockwise rotation of the land mass by approximately 40~50 degrees since early Miocene.

      • KCI등재

        기문(奇門)의 원리(原理)와 기문침법(奇門鍼法) 활용에 대한 연구

        김광호,강정수,Kim, Kwang-ho,Kang, Jung-soo 대한침구의학회 2000 대한침구의학회지 Vol.17 No.3

        Objectives : Gimun-chimbub(Jimen-zhenfa) is the method of needling which is based on Gimun-hak (Jimen-xue), and it is the most excellent method of needling than any other methods. In spite of the superiority of Gimun-chimbub(Jimen-zhenfa), there are few documents which explain it in details. The purpose of this study is to make clear principle of Gimun(Jimen) & apptication of Gimun-chimbub(Jimen-zhenfa) so many clinicians can make good use of it. Methods : Through investigation of many documents concerning Gimun(Jimen), Gimun-chimbub(Jimen-zhenfa) and Bosa(buxie), the author first explained principle of Gimun(Jimen) and then made clear how to apply it in needling and how to perform Bosa(buxie). Conclusions : 1. Gimun-hak(Jimen-xue) is constituted combinations of infinite change of Chen-Gy-In Samje(Tianrendi Sancai) and Hado lakse(Hetu Luoshu). Gimun-hak(Jimen-xue), is the study which shows us the change of space time e- ntangling at once, and it is applied to troublous times and critical situations. Gimun-chimbub(Jimen-zhenfa) combines of the method of needling with the time when Chen(Tian) opens and closes. So according to each cases, doctor must consider the adequate time. For example, in case of acute disease, the first day when the patient got ill is ta - ken. In case of chronic disease, the day when the patient came to see a doctor is taken. In Gimun-chimbub(Jimen-zhenfa), first it uses Jik-Sa-Mun(zhishimen) which can ac - cept Chen-Gi(tianqi). When needling, doctor must find the accurate acu-points and perform Bosa(buxie). Finally it uses Saeng-Mun(shengmen) which stirs up the vit - ality. Using Saeng-Mun(shengmen) decreases the rate of relapse of diseases.

      • KCI등재

        mPW1PW91 Calculated Conformational Study of Calix[n]arene (n = 4,5,6): Hydrogen Bond

        김광호,최종인,Kim, Kwang-Ho,Choe, Jong-In Korean Chemical Society 2009 대한화학회지 Vol.53 No.6

        캘릭스[n]아렌 (1-4)의 다양한 이형체들에 대한 구조들이 DFT B3LYP/6-31+G(d,p) 와 mPW1PW91/ 6-31+G(d,p) (hybrid HF-DF) 계산 방법들에 의하여 최적화 되었다. 모든 캘릭스[n]아렌 (1-4)의 다양한 이형체들 중에서, 수소결합들의 영향으로, cone 이형체가 가장 안정하였다. 그러나, 이형체들의 상대적인 안정성은 다음과 같이 서로 달랐다. 1. t-부틸캘릭스[4]아렌(1): cone > partial-cone > 1,2-alternate > 1,3-alternate. 2. t-부틸캘릭스[5]아렌(2): cone > 1,2-alternate > partial-cone > 1,3-alternate. 3. 탈부틸화된 캘릭스[6]아렌(3): cone(pinched) > partial-cone > cone(winged) ~ 1,2-alternate - 1,2,3-alternate > 1,4-alternate > 1,3-alternate > 1,3,5-alternate. 4. t-부틸캘릭스[6]아렌(4): cone(pinched) > 1,2-alternate > cone(winged) > 1,4-alternate - partial-cone > 1,2,3-alternate > 1,3,5-alternate > 1,3-alternate. 분자 내부의 수소결합의 개수와 강도들이 캘릭스[n]아렌의 다양한 이형체들의 상대적인 안정성에 가장 영향을 많이 미치는 인자들이었다. 두 가지 서로 다른 계산방법들 (B3LYP과 mPW1PW91)에 대한 여러 가지 이형체들에서의 수소결합 길이들이 비교되었다. We have performed mPW1PW91 calculations to investigate the conformational characteristics and hydrogen bonds of p-tert-butylcalix[4]arene (1), p-tert-butylcalix[5]arene (2), calix[6]arene (3) and p-tertbutylcalix[6]arene (4). The structures of the different conformers of 1-3 were optimized by using mPW1PW91/6-31+G(d,p) method. The relative stability of the four conformers of 1 is in the following order: cone (most stable) > partial-cone > 1,2-alternate > 1,3-alternate. The relative stability of the conformers of 2 is in the following order: cone (most stable) > 1,2-alternate > partial-cone > 1,3-alternate. The relative stability of the various conformers of 3 is in the following order: cone (pinched: most stable) > partial-cone > cone (winged) - 1,2-alternate - 1,2,3-alternate > 1,4-alternate > 1,3-alternate > 1,3,5-alternate. The structures of the various conformers of 4 were optimized by using the mPW1PW91/6-31G(d,p) method followed by single point calculation of mPW1PW91/6-31+G(d,p). The relative stability of the conformers of 4 is in the following order: cone (pinched) > 1,2-alternate > cone (winged) > 1,4-alternate - partial-cone > 1,2,3-alternate > 1,3,5-alternate > 1,3-alternate. The primary factor affecting the relative stabilities of the various conformers of the 1-4 are the number and strength of the intramolecular hydrogen bonds. The hydrogen-bond distances are discussed based on two different calculation methods (B3LYP and mPW1PW91).

      • KCI등재

        풍수해보험에 대한 이론적 분석

        김광호,Kim, Kwang-ho 한국개발연구원 2011 韓國 開發 硏究 Vol.33 No.4

        본 연구는 풍수해보험사업이 도입 취지와는 달리 여러 문제점을 내포하고 있다는 문제의식하에 풍수해보험에 대한 개념적이고 이론적인 분석을 시도하였다. 우선 현재와 같이 재난지원금과 풍수해보험이 공존하는 상황은 풍수해보험 활성화에 장애로 작용할 것이므로, 풍수해보험을 확대하기 위해서는 재난지원금의 점차적 축소를 고려할 필요가 있다. 또한 풍수해보험의 기본취지 중 하나가 자율적 방재노력을 제고하는 것이나, 풍수해보험은 보험에 따른 도덕적 해이로 인해 오히려 그러한 노력을 저해할 가능성이 높다. 끝으로 현재의 손해방지비용 지원은 그 효과가 불확실하므로 보다 심도 있는 분석이 필요하다. The storm and flood insurance, which was introduced recently to substitute the disaster relief system to moderate government's financial burden and enhance people's effort to reduce damage, seems to suffer various problems. This paper conducts a theoretical analysis on various aspects of the storm and flood insurance to provide insight on those issues and draw policy implications. First, the coexistence of disaster relief with the storm and flood insurance is likely to harm the penetration of the storm and flood insurance. Second, the current premium system is likely to induce people to make less efforts to reduce damage due to moral hazard problem. Third, current support for damage-reducing efforts may not fulfill its purpose and hence should be scrutinized carefully.

      • KCI등재

        초박막 폴리머 강유전체 박막의 특성

        김광호,Kim, Kwang-Ho 한국반도체디스플레이기술학회 2020 반도체디스플레이기술학회지 Vol.19 No.4

        The properties of ultra-thin two-dimensional (2D) organic ferroelectric Langmuir-Blodgett (LB) films of the poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] were investigated to find possible applicability in flexible and wearable electronics applications. In the C-V characteristics of the MFM capacitor of 2-monolayer of 5 nm films, a butterfly hysteresis curve due to the ferroelectricity of P(VDF-TrFE) was confirmed. Typical residual polarization value was measured at 2μC/㎠. When the MFM capacitor with ultra-thin ferroelectric film was measured by applying a 10 Hz bipolar pulse, it was shown that 65% of the initial polarization value in 105 cycles deteriorated the polarization. The leakage current density of the 2-monolayer film was maintained at about 5 × 10-8 A/㎠ for the case at a 5MV/cm electric field. The resistivity of the 2-monolayer film in the case at an electric field at 5 MV/cm was more than 2.35 × 1013 Ω·cm.

      • KCI등재

        수도 품종의 잎집무늬마름병 저항성연구 I. 잎집무늬마름병 저항성검정을 위한 균주선발

        김광호,양계진,Kwang-Ho Kim 한국작물학회 1987 Korean journal of crop science Vol.32 No.1

        Fifty eight isolates of R. solani collected from rice plants infected to sheath blight disease at seven different locations through the country were evaluated for their cultural characteristics on media. Degree of resistance of nine rice varieties were tested by the seven isolates representing each culture type from the grouped pathogene-city. Great variation of cultural characterisics on PSA media was observed among isolates, and 58 isolates tested were grouped into 7 culture types. Locational distribution of isolates belong to each culture type was different between types, and only isolate type 'Ia' was distributed in all locations collected. The degree of pathogene-city of each isolate to rice adult plant was different between 7 culture types grouped, and no isolates infected severely on all tester rice varieties. The degree of resistance to the disease showed great variation among 9 tester varieties, and varietal reaction to the disease was varied along with isolates inoculated. An isolate, la, shown strong pathogenecity and distributed through 7 locations was selected for the screening of varietal resistance to rice sheath blight disease. 벼 품종의 잎집무늬마름병 저항성검정에 사용할 R. solani 균주를 선발할 목적으로 전국 7개지역에서 수집한 58개균주의 배양특성을 조사하여 균주의 배양형을 나누고 각 배양형에서 대표되는 균주를 선정, 9개 벼 품종에 접종시켜 균주의 병원성과 품종저항성을 조사한 결과를 요약하면 다음과 같다. 1. 벼 잎집무늬 마름병균의 균주를 PSA 배지상에서 기르면서 조사한 5종류의 배양특성은 균주간에 뚜렷한 차이가 있었으며 균주별 배양특성에 근거하여 공시한 58개 균주를 7종의 배양형으로 나눌 수 있었다. 2. 각 배양형에 속하는 잎집무늬마름병균 균주의 지역적인 분포는 차이가 있어서 균주분포의 지역특이성이 인정되었으며 Ia 배양형에 속하는 균주만이 7개 지역 모두에 분포되어 있었다. 3. 각 배양형을 대표하는 7개 균주의 병원성은 서로 달랐으며 균주별 병원성은 검정품종에 따라서 그 정도가 다르게 나타났다. 4. 균주의 병원성검정에 사용되었던 9개 벼 품종의 저항성정도도 품종간 차이가 켰으며 품종의 저항성 반응도 접종한 균주에 따라서 달리 나타나는 경우가 있었다. 5. 공시한 균주의 병원성정도와 지역적인 분포범위를 고려하여 벼 잎집무늬마름병 저항성검정에 사용할 균주를 선발할 수 있었다.

      • 지식베이스를 이용한 임베디드용 연속음성인식의 어휘 적용률 개선

        김광호,임민규,김지환,Kim, Kwang-Ho,Lim, Min-Kyu,Kim, Ji-Hwan 대한음성학회 2008 말소리 Vol.68 No.-

        In this paper, we propose a vocabulary coverage improvement method for embedded continuous speech recognition (CSR) using knowledgebase. A vocabulary in CSR is normally derived from a word frequency list. Therefore, the vocabulary coverage is dependent on a corpus. In the previous research, we presented an improved way of vocabulary generation using part-of-speech (POS) tagged corpus. We analyzed all words paired with 101 among 152 POS tags and decided on a set of words which have to be included in vocabularies of any size. However, for the other 51 POS tags (e.g. nouns, verbs), the vocabulary inclusion of words paired with such POS tags are still based on word frequency counted on a corpus. In this paper, we propose a corpus independent word inclusion method for noun-, verb-, and named entity(NE)-related POS tags using knowledgebase. For noun-related POS tags, we generate synonym groups and analyze their relative importance using Google search. Then, we categorize verbs by lemma and analyze relative importance of each lemma from a pre-analyzed statistic for verbs. We determine the inclusion order of NEs through Google search. The proposed method shows better coverage for the test short message service (SMS) text corpus.

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