{"id":"https://openalex.org/W2082295506","doi":"https://doi.org/10.1109/icce.2012.6162049","title":"AC/DC converter free LED driver for lightings","display_name":"AC/DC converter free LED driver for lightings","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2082295506","doi":"https://doi.org/10.1109/icce.2012.6162049","mag":"2082295506"},"language":"en","primary_location":{"id":"doi:10.1109/icce.2012.6162049","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce.2012.6162049","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Consumer Electronics (ICCE)","raw_type":"proceedings-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/A5110388767","display_name":"Sanghyun Cha","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Sanghyun Cha","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034863894","display_name":"Deukhee Park","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Deukhee Park","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059690150","display_name":"Yuenjoong Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yuenjoong Lee","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101854286","display_name":"Changseok Lee","orcid":"https://orcid.org/0000-0001-6835-9114"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Changseok Lee","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109309121","display_name":"Joongho Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I124633538","display_name":"University of Seoul","ror":"https://ror.org/05en5nh73","country_code":"KR","type":"education","lineage":["https://openalex.org/I124633538"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joongho Choi","raw_affiliation_strings":["University of Seoul, Seoul, South Korea","University of Seoul, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"University of Seoul, Seoul, South Korea","institution_ids":["https://openalex.org/I124633538"]},{"raw_affiliation_string":"University of Seoul, Republic of Korea","institution_ids":["https://openalex.org/I124633538"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015908672","display_name":"Jae-Shin Lee","orcid":"https://orcid.org/0000-0003-2353-4892"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jaeshin Lee","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"last","author":{"id":null,"display_name":"Hyobum Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyobum Lee","raw_affiliation_strings":["Samsung Electro-Mechanics Company, Suwon, South Korea","Samsung Electro-Mechanics Co., Suwon, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Samsung Electro-Mechanics Company, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electro-Mechanics Co., Suwon, Republic of Korea","institution_ids":["https://openalex.org/I2250650973"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5110388767"],"corresponding_institution_ids":["https://openalex.org/I2250650973"],"apc_list":null,"apc_paid":null,"fwci":3.9948,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.94132805,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"706","last_page":"708"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10175","display_name":"Advanced DC-DC Converters","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10175","display_name":"Advanced DC-DC Converters","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10663","display_name":"Advanced Battery Technologies Research","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/electrical-engineering","display_name":"Electrical engineering","score":0.5803318023681641},{"id":"https://openalex.org/keywords/capacitor","display_name":"Capacitor","score":0.5611650347709656},{"id":"https://openalex.org/keywords/transformer","display_name":"Transformer","score":0.5290145874023438},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.5093470811843872},{"id":"https://openalex.org/keywords/electrolytic-capacitor","display_name":"Electrolytic capacitor","score":0.47206810116767883},{"id":"https://openalex.org/keywords/flyback-converter","display_name":"Flyback converter","score":0.4462142586708069},{"id":"https://openalex.org/keywords/pulse-width-modulation","display_name":"Pulse-width modulation","score":0.443376362323761},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4214974045753479},{"id":"https://openalex.org/keywords/led-lamp","display_name":"LED lamp","score":0.41620588302612305},{"id":"https://openalex.org/keywords/driver-circuit","display_name":"Driver circuit","score":0.4135056138038635},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.40298324823379517},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34759336709976196}],"concepts":[{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5803318023681641},{"id":"https://openalex.org/C52192207","wikidata":"https://www.wikidata.org/wiki/Q5322","display_name":"Capacitor","level":3,"score":0.5611650347709656},{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.5290145874023438},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.5093470811843872},{"id":"https://openalex.org/C79100374","wikidata":"https://www.wikidata.org/wiki/Q1326992","display_name":"Electrolytic capacitor","level":4,"score":0.47206810116767883},{"id":"https://openalex.org/C103303742","wikidata":"https://www.wikidata.org/wiki/Q1293595","display_name":"Flyback converter","level":4,"score":0.4462142586708069},{"id":"https://openalex.org/C92746544","wikidata":"https://www.wikidata.org/wiki/Q585184","display_name":"Pulse-width modulation","level":3,"score":0.443376362323761},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4214974045753479},{"id":"https://openalex.org/C101271287","wikidata":"https://www.wikidata.org/wiki/Q1553201","display_name":"LED lamp","level":2,"score":0.41620588302612305},{"id":"https://openalex.org/C183848499","wikidata":"https://www.wikidata.org/wiki/Q4167572","display_name":"Driver circuit","level":3,"score":0.4135056138038635},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.40298324823379517},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34759336709976196}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icce.2012.6162049","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icce.2012.6162049","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Consumer Electronics (ICCE)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1553810873","https://openalex.org/W2118673456","https://openalex.org/W2125201261","https://openalex.org/W2126275045","https://openalex.org/W2135216924","https://openalex.org/W2139201442"],"related_works":["https://openalex.org/W2115435314","https://openalex.org/W1989653374","https://openalex.org/W1896431696","https://openalex.org/W1857256066","https://openalex.org/W2029545455","https://openalex.org/W2367194219","https://openalex.org/W1977418610","https://openalex.org/W2052505308","https://openalex.org/W2939737002","https://openalex.org/W2380002969"],"abstract_inverted_index":{"This":[0,43],"paper":[1],"presents":[2],"a":[3],"noble":[4],"AC/DC":[5,29],"converter-free":[6],"LED":[7,10,15,25,48,55,62,111,117,134,140],"driver":[8,16,50,56,118,135],"for":[9,107,137],"lighting":[11,49,112],"applications.":[12],"The":[13,72],"presented":[14],"applies":[17],"the":[18,24,66,94,98,101,108,126,129],"AC":[19,69,85],"mains":[20],"power":[21],"directly":[22],"to":[23,89,124],"strings":[26,63],"with":[27,53],"no":[28,40],"converter":[30],"stage,":[31],"thus":[32],"bulky":[33],"transformer":[34],"and":[35,46,122],"life-time":[36],"limiting":[37],"electrolytic":[38],"capacitor":[39],"longer":[41],"needed.":[42],"small-sized,":[44],"low-cost":[45],"reliable":[47],"was":[51,74,120],"realized":[52],"an":[54],"IC,":[57],"which":[58,104],"selectively":[59],"empowers":[60],"multi-channel":[61],"based":[64],"on":[65],"measured":[67],"input":[68,86],"voltage":[70,79,87],"signal.":[71],"IC":[73,99],"fabricated":[75],"in":[76],"1-um":[77],"high":[78],"BCD":[80],"process":[81],"capable":[82],"of":[83,110,128],"handling":[84],"up":[88],"240":[90],"V.":[91],"By":[92],"PWM-controlling":[93],"LED-driving":[95],"high-voltage":[96],"switches,":[97],"resolved":[100],"thermal":[102],"issue":[103],"is":[105],"critical":[106],"reliability":[109],"module.":[113],"A":[114],"4-W":[115],"prototype":[116],"module":[119],"implemented":[121],"tested":[123],"verify":[125],"feasibility":[127],"suggested":[130],"Converter-/Capacitor-less":[131],"(ie.":[132],"CC-less)":[133],"scheme":[136],"low":[138],"cost":[139],"lighting.":[141]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}