{"id":"https://openalex.org/W2180449143","doi":"https://doi.org/10.1016/j.ress.2015.11.009","title":"An accelerated test method of luminous flux depreciation for LED luminaires and lamps","display_name":"An accelerated test method of luminous flux depreciation for LED luminaires and lamps","publication_year":2015,"publication_date":"2015-11-20","ids":{"openalex":"https://openalex.org/W2180449143","doi":"https://doi.org/10.1016/j.ress.2015.11.009","mag":"2180449143"},"language":"en","primary_location":{"id":"doi:10.1016/j.ress.2015.11.009","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ress.2015.11.009","pdf_url":null,"source":{"id":"https://openalex.org/S202403813","display_name":"Reliability Engineering & System Safety","issn_l":"0951-8320","issn":["0951-8320","1879-0836"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Reliability Engineering & System Safety","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031339144","display_name":"Cheng Qian","orcid":"https://orcid.org/0000-0002-5413-8908"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210108723","display_name":"Changzhou Institute of Technology","ror":"https://ror.org/020mrfq61","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210108723"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"C. Qian","raw_affiliation_strings":["Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","institution_ids":["https://openalex.org/I4210108723"]},{"raw_affiliation_string":"State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090264841","display_name":"Xuejun Fan","orcid":"https://orcid.org/0000-0003-0525-4424"},"institutions":[{"id":"https://openalex.org/I177898655","display_name":"Lamar University","ror":"https://ror.org/008ms5s18","country_code":"US","type":"education","lineage":["https://openalex.org/I177898655"]},{"id":"https://openalex.org/I4210108723","display_name":"Changzhou Institute of Technology","ror":"https://ror.org/020mrfq61","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210108723"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"X.J. Fan","raw_affiliation_strings":["Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","institution_ids":["https://openalex.org/I4210108723"]},{"raw_affiliation_string":"Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, USA","institution_ids":["https://openalex.org/I177898655"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066887582","display_name":"Jiajie Fan","orcid":"https://orcid.org/0000-0001-5400-737X"},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]},{"id":"https://openalex.org/I4210108723","display_name":"Changzhou Institute of Technology","ror":"https://ror.org/020mrfq61","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210108723"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"J.J. Fan","raw_affiliation_strings":["Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","institution_ids":["https://openalex.org/I4210108723"]},{"raw_affiliation_string":"College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China","institution_ids":["https://openalex.org/I163340411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014463431","display_name":"C. YUAN","orcid":"https://orcid.org/0000-0003-4381-8622"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210108723","display_name":"Changzhou Institute of Technology","ror":"https://ror.org/020mrfq61","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210108723"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"C.A. Yuan","raw_affiliation_strings":["Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","institution_ids":["https://openalex.org/I4210108723"]},{"raw_affiliation_string":"State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077125546","display_name":"G.Q. Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210108723","display_name":"Changzhou Institute of Technology","ror":"https://ror.org/020mrfq61","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210108723"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]},{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["CN","NL"],"is_corresponding":true,"raw_author_name":"G.Q. Zhang","raw_affiliation_strings":["Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","EEMCS Faculty, Delft University of Technology, Delft, the Netherlands","State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Changzhou Institute of Technology Research for Solid State Lighting, Changzhou 213161, China","institution_ids":["https://openalex.org/I4210108723"]},{"raw_affiliation_string":"EEMCS Faculty, Delft University of Technology, Delft, the Netherlands","institution_ids":["https://openalex.org/I98358874"]},{"raw_affiliation_string":"State Key Laboratory of Solid State Lighting, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5077125546"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210108723","https://openalex.org/I4210149211","https://openalex.org/I98358874"],"apc_list":{"value":3960,"currency":"USD","value_usd":3960},"apc_paid":null,"fwci":16.6881,"has_fulltext":false,"cited_by_count":65,"citation_normalized_percentile":{"value":0.99447983,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"147","issue":null,"first_page":"84","last_page":"92"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14156","display_name":"Engineering Applied Research","score":0.9936000108718872,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T14156","display_name":"Engineering Applied Research","score":0.9936000108718872,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9702000021934509,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13049","display_name":"Surface Roughness and Optical Measurements","score":0.9648000001907349,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/luminous-flux","display_name":"Luminous flux","score":0.8405728340148926},{"id":"https://openalex.org/keywords/depreciation","display_name":"Depreciation (economics)","score":0.5523411631584167},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.506799042224884},{"id":"https://openalex.org/keywords/arrhenius-equation","display_name":"Arrhenius equation","score":0.5012378692626953},{"id":"https://openalex.org/keywords/led-lamp","display_name":"LED lamp","score":0.4936729371547699},{"id":"https://openalex.org/keywords/flux","display_name":"Flux (metallurgy)","score":0.46059879660606384},{"id":"https://openalex.org/keywords/nuclear-engineering","display_name":"Nuclear engineering","score":0.4100303053855896},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.379149854183197},{"id":"https://openalex.org/keywords/automotive-engineering","display_name":"Automotive engineering","score":0.3786661922931671},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.33572763204574585},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.3347586989402771},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3283824324607849},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.2983524203300476},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2779914140701294},{"id":"https://openalex.org/keywords/light-source","display_name":"Light source","score":0.1479203701019287},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.09775561094284058},{"id":"https://openalex.org/keywords/kinetics","display_name":"Kinetics","score":0.08605694770812988}],"concepts":[{"id":"https://openalex.org/C110113834","wikidata":"https://www.wikidata.org/wiki/Q107780","display_name":"Luminous flux","level":3,"score":0.8405728340148926},{"id":"https://openalex.org/C95383336","wikidata":"https://www.wikidata.org/wiki/Q4198710","display_name":"Depreciation (economics)","level":5,"score":0.5523411631584167},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.506799042224884},{"id":"https://openalex.org/C86183883","wikidata":"https://www.wikidata.org/wiki/Q507505","display_name":"Arrhenius equation","level":3,"score":0.5012378692626953},{"id":"https://openalex.org/C101271287","wikidata":"https://www.wikidata.org/wiki/Q1553201","display_name":"LED lamp","level":2,"score":0.4936729371547699},{"id":"https://openalex.org/C68709404","wikidata":"https://www.wikidata.org/wiki/Q1134475","display_name":"Flux (metallurgy)","level":2,"score":0.46059879660606384},{"id":"https://openalex.org/C116915560","wikidata":"https://www.wikidata.org/wiki/Q83504","display_name":"Nuclear engineering","level":1,"score":0.4100303053855896},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.379149854183197},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.3786661922931671},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.33572763204574585},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.3347586989402771},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3283824324607849},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2983524203300476},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2779914140701294},{"id":"https://openalex.org/C2982854487","wikidata":"https://www.wikidata.org/wiki/Q9128","display_name":"Light source","level":2,"score":0.1479203701019287},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.09775561094284058},{"id":"https://openalex.org/C148898269","wikidata":"https://www.wikidata.org/wiki/Q1108792","display_name":"Kinetics","level":2,"score":0.08605694770812988},{"id":"https://openalex.org/C44750222","wikidata":"https://www.wikidata.org/wiki/Q1897397","display_name":"Financial capital","level":3,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C58202505","wikidata":"https://www.wikidata.org/wiki/Q5035700","display_name":"Capital formation","level":4,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2776943663","wikidata":"https://www.wikidata.org/wiki/Q165687","display_name":"Human capital","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/j.ress.2015.11.009","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ress.2015.11.009","pdf_url":null,"source":{"id":"https://openalex.org/S202403813","display_name":"Reliability Engineering & System Safety","issn_l":"0951-8320","issn":["0951-8320","1879-0836"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Reliability Engineering & System Safety","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:eee:reensy:v:147:y:2016:i:c:p:84-92","is_oa":false,"landing_page_url":"http://www.sciencedirect.com/science/article/pii/S0951832015003361","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:ir.semi.ac.cn:172111/28091","is_oa":false,"landing_page_url":"http://ir.semi.ac.cn/handle/172111/28091","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"\u671f\u520a\u8bba\u6587"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2671035799","display_name":null,"funder_award_id":"BK20150249","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"}],"funders":[{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W272672763","https://openalex.org/W1229376827","https://openalex.org/W1487347259","https://openalex.org/W1693462307","https://openalex.org/W1966381541","https://openalex.org/W2006287597","https://openalex.org/W2010781210","https://openalex.org/W2011539370","https://openalex.org/W2014218633","https://openalex.org/W2050299119","https://openalex.org/W2051998327","https://openalex.org/W2063069275","https://openalex.org/W2066503202","https://openalex.org/W2068923475","https://openalex.org/W2078613883","https://openalex.org/W2094115452","https://openalex.org/W2098086548","https://openalex.org/W2139778164","https://openalex.org/W2153063856","https://openalex.org/W2181730121","https://openalex.org/W2188678634","https://openalex.org/W2205682535","https://openalex.org/W2295662277","https://openalex.org/W6685365415"],"related_works":["https://openalex.org/W2546489096","https://openalex.org/W3108544982","https://openalex.org/W4320070562","https://openalex.org/W4224303015","https://openalex.org/W4293073308","https://openalex.org/W1984125459","https://openalex.org/W2368579607","https://openalex.org/W1991367104","https://openalex.org/W4382364757","https://openalex.org/W2045600520"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":13},{"year":2016,"cited_by_count":9}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}