{"title":"GLARE FROM WINDOW CONSIDERING TIME FLUCTUATION AND TYPES OF TASK","authors":"Etsuko Mochizuki, Yusaku Maehara","doi":"10.25039/X46.2019.PO141","DOIUrl":"https://doi.org/10.25039/X46.2019.PO141","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134102249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"SPATIAL LIGHT DISTRIBUTION CHARACTERIZATION AND MEASUREMENT OF LED HORTICULTURAL LIGHTS","authors":"Jiangen Pan, Qian Li, Xiaoni Li, Yingying Wen","doi":"10.25039/X46.2019.OP46","DOIUrl":"https://doi.org/10.25039/X46.2019.OP46","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134490101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The expected useful lifetime of professional LED luminaires has been extended tremendously due to LED technology arriving in a mature stage. On the other hand, there is a market pressure to claim longer and longer useful lifetime, sometimes without knowing the limitations of methods of prediction used and/or having real benefit for the end-users. The paper will review the limitations of predictions and gives proposals how to improve the confidence level. The author also will evaluate whether extreme long useful lifetime claimed by manufacturers have a real benefit for the end-users. There are proposals, how better luminous flux maintenance can be turned to real benefit the lighting installation by modification of metrics.
{"title":"REVIEW AND PROPOSALS FOR UPGRADE OF METRICS OF USEFUL LIFIETIME OF PROFESSIONAL LED LUMINAIRES","authors":"P. Schwarcz","doi":"10.25039/X46.2019.WP02","DOIUrl":"https://doi.org/10.25039/X46.2019.WP02","url":null,"abstract":"The expected useful lifetime of professional LED luminaires has been extended tremendously due to LED technology arriving in a mature stage. On the other hand, there is a market pressure to claim longer and longer useful lifetime, sometimes without knowing the limitations of methods of prediction used and/or having real benefit for the end-users. The paper will review the limitations of predictions and gives proposals how to improve the confidence level. The author also will evaluate whether extreme long useful lifetime claimed by manufacturers have a real benefit for the end-users. There are proposals, how better luminous flux maintenance can be turned to real benefit the lighting installation by modification of metrics.","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133733499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"COLOUR PREFERENCE IS DEPENDENT ON COLOUR TEMPERATURE, CHROMA AND ILLUMINANCE LEVELS - EXPERIMENTS AND ANALYSIS","authors":"Q. Trinh, T. Khanh, P. Bodrogi","doi":"10.25039/X46.2019.PO046","DOIUrl":"https://doi.org/10.25039/X46.2019.PO046","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133305902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"INTEGRATION OF DAYLIGHT IN SCHOOLS AND KINDERGARTENS","authors":"M. Kobav, Neza Močnik","doi":"10.25039/X46.2019.PO132","DOIUrl":"https://doi.org/10.25039/X46.2019.PO132","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114196692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The study aims to explore the strategies of indoor lighting suitable for patients, promote the patients' circadian rhythm repair and emotional regulation by effectively utilizing the active health intervention effect of light environment, improve the outcome of disease treatment and enhance the patients’ quality of life. Based on a series of evidence-based research, the lighting parameters combination that can improve the rhythm and mood is proposed in the problemoriented the study. The therapeutic lighting system composed by circadian lighting module, mood lighting module and intelligent control system is designed. The demonstration application of the system and the evaluation after using are completed in the hospital and old-age care institutions. Clinical application feedback shows that the system significantly improves patients' sleep quality and treatment compliance, and has good therapeutic effect.
{"title":"EVIDENCE-BASED RESEARCH AND APPLICATIONS OF A THERAPEUTIC LIGHTING SYSTEM ON CIRCADIAN RHYTHM AND MOOD REGULATION FOR CHINESE PATIENTS","authors":"L. Hao, Yixiao Cao","doi":"10.25039/X46.2019.OP64","DOIUrl":"https://doi.org/10.25039/X46.2019.OP64","url":null,"abstract":"The study aims to explore the strategies of indoor lighting suitable for patients, promote the patients' circadian rhythm repair and emotional regulation by effectively utilizing the active health intervention effect of light environment, improve the outcome of disease treatment and enhance the patients’ quality of life. Based on a series of evidence-based research, the lighting parameters combination that can improve the rhythm and mood is proposed in the problemoriented the study. The therapeutic lighting system composed by circadian lighting module, mood lighting module and intelligent control system is designed. The demonstration application of the system and the evaluation after using are completed in the hospital and old-age care institutions. Clinical application feedback shows that the system significantly improves patients' sleep quality and treatment compliance, and has good therapeutic effect.","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117218273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"LIGHT AND BLUE-LIGHT EXPOSURES OF DAY WORKERS IN SUMMER AND WINTER","authors":"L. Udovičić, L. Price, M. Khazova","doi":"10.25039/X46.2019.OP19","DOIUrl":"https://doi.org/10.25039/X46.2019.OP19","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115627565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
T. Hagiwara, S. Kohko, Katsunori Okajima, H. Hamaoka, Shōji Kobayashi
{"title":"DEVELOPMENT OF PRO-BEAM ROAD LIGHT","authors":"T. Hagiwara, S. Kohko, Katsunori Okajima, H. Hamaoka, Shōji Kobayashi","doi":"10.25039/X46.2019.PO174","DOIUrl":"https://doi.org/10.25039/X46.2019.PO174","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116335003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"VISION EXPERIMENT ON VERIFICATION OF HUNT EFFECT IN LIGHTING","authors":"Y. Kawashima, Y. Ohno","doi":"10.25039/X46.2019.OP68","DOIUrl":"https://doi.org/10.25039/X46.2019.OP68","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116993049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"SPECTRAL CHARACTERISTICS INFLUENCING THE METAMERIC UNCERTAINTY INDEX","authors":"Michael P. Royer, L. Whitehead","doi":"10.25039/X46.2019.PP01","DOIUrl":"https://doi.org/10.25039/X46.2019.PP01","url":null,"abstract":"","PeriodicalId":121032,"journal":{"name":"PROCEEDINGS OF the 29th Quadrennial Session of the CIE","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116372454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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