{"id":"https://openalex.org/W1520005877","doi":"https://doi.org/10.5075/epfl-thesis-3170","title":"Microcavity light emitting diodes in the visible red and near infrared wavelength range","display_name":"Microcavity light emitting diodes in the visible red and near infrared wavelength range","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W1520005877","doi":"https://doi.org/10.5075/epfl-thesis-3170","mag":"1520005877"},"language":"en","primary_location":{"id":"pmh:oai:infoscience.tind.io:33639","doi":null,"is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/212537","pdf_url":"http://infoscience.epfl.ch/record/33639","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"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":"doctoral thesis"},"volume":null,"type":"dissertation","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/33639","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034724042","display_name":"Reto Joray","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Joray, Reto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5034724042"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.2782999873161316,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.2782999873161316,"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/T12612","display_name":"Strong Light-Matter Interactions","score":0.225600004196167,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10299","display_name":"Photonic and Optical Devices","score":0.21639999747276306,"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/microcavity-light-emitting-diodes","display_name":"microcavity light-emitting diodes","score":0.8889999985694885},{"id":"https://openalex.org/keywords/resonant-cavity-leds","display_name":"resonant cavity LEDs","score":0.9089999794960022},{"id":"https://openalex.org/keywords/light-extraction-efficiency","display_name":"light extraction efficiency","score":0.777999997138977},{"id":"https://openalex.org/keywords/distributed-bragg-reflector","display_name":"distributed Bragg reflector","score":0.8190000057220459},{"id":"https://openalex.org/keywords/algan","display_name":"AlGaN","score":0.3540000021457672},{"id":"https://openalex.org/keywords/alingan","display_name":"AlInGaN","score":0.4490000009536743},{"id":"https://openalex.org/keywords/near-infrared-leds","display_name":"near-infrared LEDs","score":0.49399998784065247},{"id":"https://openalex.org/keywords/red-led","display_name":"red LED","score":0.6259999871253967},{"id":"https://openalex.org/keywords/far-field-radiation-pattern","display_name":"far-field radiation pattern","score":0.656000018119812}],"concepts":[{"id":"https://openalex.org/C176666156","wikidata":"https://www.wikidata.org/wiki/Q25504","display_name":"Light-emitting diode","level":2,"score":0.7543532848358154},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6973223686218262},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6000505685806274},{"id":"https://openalex.org/C170395517","wikidata":"https://www.wikidata.org/wiki/Q234943","display_name":"Total internal reflection","level":2,"score":0.5716264843940735},{"id":"https://openalex.org/C46918542","wikidata":"https://www.wikidata.org/wiki/Q1648344","display_name":"Common emitter","level":2,"score":0.5581134557723999},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.5491852164268494},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5186854600906372},{"id":"https://openalex.org/C205507967","wikidata":"https://www.wikidata.org/wiki/Q900625","display_name":"Quantum efficiency","level":2,"score":0.5160443782806396},{"id":"https://openalex.org/C15340255","wikidata":"https://www.wikidata.org/wiki/Q1114190","display_name":"Halogen lamp","level":2,"score":0.48676300048828125},{"id":"https://openalex.org/C173886181","wikidata":"https://www.wikidata.org/wiki/Q47616","display_name":"Incandescent light bulb","level":2,"score":0.4528464078903198},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.428413450717926},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.26587170362472534}],"mesh":[],"locations_count":5,"locations":[{"id":"pmh:oai:infoscience.tind.io:33639","doi":null,"is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/212537","pdf_url":"http://infoscience.epfl.ch/record/33639","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"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":"doctoral thesis"},{"id":"pmh:oai:doc.rero.ch:4692","doi":null,"is_oa":false,"landing_page_url":"http://library.epfl.ch/theses/?nr=3170","pdf_url":null,"source":{"id":"https://openalex.org/S4306400148","display_name":"reroDoc Digital Library","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"pmh:oai:infoscience.epfl.ch:33639","doi":null,"is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/33639","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"doi:10.5075/epfl-thesis-3170","doi":"https://doi.org/10.5075/epfl-thesis-3170","is_oa":true,"landing_page_url":"https://doi.org/10.5075/epfl-thesis-3170","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Dissertation"},{"id":"mag:1520005877","doi":null,"is_oa":false,"landing_page_url":"https://infoscience.epfl.ch/record/33639","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:infoscience.tind.io:33639","doi":null,"is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/212537","pdf_url":"http://infoscience.epfl.ch/record/33639","source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"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":"doctoral thesis"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.9200000166893005}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1520005877.pdf","grobid_xml":"https://content.openalex.org/works/W1520005877.grobid-xml"},"referenced_works_count":94,"referenced_works":["https://openalex.org/W228239246","https://openalex.org/W578635386","https://openalex.org/W632839044","https://openalex.org/W856504470","https://openalex.org/W1587179536","https://openalex.org/W1655498265","https://openalex.org/W1837679611","https://openalex.org/W1919348179","https://openalex.org/W1928592541","https://openalex.org/W1966544535","https://openalex.org/W1967394964","https://openalex.org/W1974471958","https://openalex.org/W1977775507","https://openalex.org/W1978033720","https://openalex.org/W1980012966","https://openalex.org/W1980418264","https://openalex.org/W1987813875","https://openalex.org/W1987893566","https://openalex.org/W1988182383","https://openalex.org/W1991073149","https://openalex.org/W1994861671","https://openalex.org/W1996535653","https://openalex.org/W2000008889","https://openalex.org/W2000907639","https://openalex.org/W2001500017","https://openalex.org/W2001863818","https://openalex.org/W2003204070","https://openalex.org/W2003751381","https://openalex.org/W2004188006","https://openalex.org/W2004462361","https://openalex.org/W2006892674","https://openalex.org/W2007521854","https://openalex.org/W2007759298","https://openalex.org/W2009645353","https://openalex.org/W2009663308","https://openalex.org/W2011524363","https://openalex.org/W2011618483","https://openalex.org/W2011918882","https://openalex.org/W2016025566","https://openalex.org/W2016657645","https://openalex.org/W2029591086","https://openalex.org/W2032277784","https://openalex.org/W2032281654","https://openalex.org/W2033539709","https://openalex.org/W2034524198","https://openalex.org/W2034593971","https://openalex.org/W2034790192","https://openalex.org/W2036570288","https://openalex.org/W2041480962","https://openalex.org/W2049029614","https://openalex.org/W2049611721","https://openalex.org/W2051945937","https://openalex.org/W2053282628","https://openalex.org/W2053483128","https://openalex.org/W2054113198","https://openalex.org/W2057126389","https://openalex.org/W2058651607","https://openalex.org/W2061317661","https://openalex.org/W2061556897","https://openalex.org/W2061895563","https://openalex.org/W2064890132","https://openalex.org/W2065528175","https://openalex.org/W2070343498","https://openalex.org/W2072645582","https://openalex.org/W2076906367","https://openalex.org/W2077188122","https://openalex.org/W2084481944","https://openalex.org/W2086210724","https://openalex.org/W2091112583","https://openalex.org/W2091211298","https://openalex.org/W2091643689","https://openalex.org/W2093773757","https://openalex.org/W2098438502","https://openalex.org/W2099374815","https://openalex.org/W2110338159","https://openalex.org/W2116661298","https://openalex.org/W2116830909","https://openalex.org/W2118673456","https://openalex.org/W2122303867","https://openalex.org/W2123343298","https://openalex.org/W2124820000","https://openalex.org/W2129349867","https://openalex.org/W2135220526","https://openalex.org/W2135420070","https://openalex.org/W2139760662","https://openalex.org/W2142938145","https://openalex.org/W2147947714","https://openalex.org/W2150572570","https://openalex.org/W2152576040","https://openalex.org/W2162839901","https://openalex.org/W2483375165","https://openalex.org/W2994841252","https://openalex.org/W3022980979","https://openalex.org/W3023854223"],"related_works":["https://openalex.org/W2836309118","https://openalex.org/W2979235183","https://openalex.org/W2952393857","https://openalex.org/W2871099214","https://openalex.org/W2829424575","https://openalex.org/W3017342960","https://openalex.org/W2622940735","https://openalex.org/W2246666594","https://openalex.org/W2757317911","https://openalex.org/W2936339631","https://openalex.org/W48563162","https://openalex.org/W2851640768","https://openalex.org/W2588661251","https://openalex.org/W227799167","https://openalex.org/W3009346796","https://openalex.org/W3147175464","https://openalex.org/W2171652888","https://openalex.org/W2328489180","https://openalex.org/W3093339519","https://openalex.org/W2271338231"],"abstract_inverted_index":{"It":[0,364,682],"was":[1,10,505,558],"about":[2],"125":[3],"years":[4],"ago":[5],"that":[6,241,368,441,685,712],"the":[7,21,32,37,46,75,108,113,135,142,163,170,183,187,207,215,225,236,239,247,255,269,310,369,374,378,390,398,429,460,472,496,541,550,572,577,581,595,619,627,631,641,690,713,717,725,738,749],"light":[8,92,138],"bulb":[9],"commercialized":[11],"by":[12,161,174,213,482,639,657],"Thomas":[13],"Edison.":[14],"No":[15],"doubt":[16],"a":[17,124,129,176,205,222,304,326,386,433,443,468,484,488,513,606,645,686,698],"brilliant":[18],"invention":[19],"at":[20,361,589],"time,":[22],"today":[23],"its":[24,228],"low":[25,327,455],"power":[26],"conversion":[27],"efficiency":[28,68,91,302,320,499,551,694,743],"is":[29,51,77,119,139,194,211,251,306,349,587,683,695],"one":[30],"of":[31,58,74,101,112,134,224,227,238,268,303,325,336,360,373,389,432,442,448,451,471,500,503,544,552,580,583,613,621,671,689,748,752],"reasons":[33],"why":[34],"lighting":[35],"in":[36,53,128,154,166,179,377,459,594,663,703,708],"western":[38],"world":[39],"has":[40,64,332],"such":[41,287],"high":[42,90,109,279,344,353,691,742],"energy":[43,50,76],"consumption.":[44],"Thus,":[45],"potential":[47,740],"for":[48,89,278,289,530,716,741],"saving":[49],"enormous":[52],"this":[54,158,250,403,664,709],"area.":[55],"The":[56,191,231,266,300,423,446,525,732],"introduction":[57],"halogen,":[59],"discharge":[60],"and":[61,258,297,331,394,412,467,521,536,630,661,674,678],"fluorescent":[62],"lamps":[63],"lead":[65],"to":[66,107,122,145,156,168,181,246,309,322,340,342,351,385,407,463,492,561,697,736],"certain":[67],"improvements,":[69,495],"however":[70],"more":[71],"than":[72,593,724],"half":[73],"still":[78],"lost":[79],"as":[80,288,453,518],"heat.":[81],"Light-emitting":[82],"diodes":[83],"(LEDs)":[84],"are":[85,417,568,721],"very":[86,120],"promising":[87],"candidates":[88],"sources,":[93],"with":[94,221,356,487,571,599,644,677],"modern":[95],"devices":[96,275],"showing":[97],"internal":[98,147,184,209,345],"quantum":[99,346,498,527,611,669,693],"efficiencies":[100,347,416,528,612,670],"virtually":[102],"100":[103],"%.":[104,563],"However,":[105],"due":[106,144,696],"refractive":[110,328,456],"index":[111,329,354,457],"commonly":[114],"used":[115],"semiconductor":[116],"materials":[117],"it":[118,348],"difficult":[121],"have":[123,151],"large":[125,294,370],"extraction":[126,301,319,400,415],"efficiency;":[127],"standard":[130,420,434],"cubic":[131],"geometry":[132,165,257],"most":[133],"internally":[136],"emitted":[137],"trapped":[140],"inside":[141,217],"device":[143,164,256,628,632,730],"total":[146],"reflection.":[148],"Several":[149],"methods":[150],"been":[152],"developed":[153],"order":[155,167,180,226],"circumvent":[157],"problem,":[159],"either":[160],"optimizing":[162],"increase":[169,235,388,414],"escape":[171,189],"cone":[172],"or":[173,199],"incorporating":[175],"resonant":[177,200,485,642],"structure":[178,647],"force":[182],"emission":[185,210,240,531,744],"into":[186,419,532],"existing":[188],"cone.":[190],"latter":[192],"approach":[193],"called":[195],"microcavity":[196],"LED":[197,202],"(MCLED)":[198],"cavity":[201,220,312,392,410,425,436,474,486,515,574,643],"(RCLED).":[203],"In":[204,338,402],"MCLED":[206,305,421],"spontaneous":[208],"controlled":[212],"placing":[214],"emitter":[216],"an":[218,318,333,357,545,584,622],"optical":[219,298,334,358,375,438],"thickness":[223],"emitting":[229,509,523,554,565,602,652],"wavelength.":[230],"resulting":[232],"interference":[233],"effects":[234],"part":[237],"can":[242,479,636],"be":[243,366,480,616,637],"extracted.":[244],"Contrary":[245],"other":[248],"approaches":[249],"possible":[252],"without":[253,260,679],"changing":[254],"thus":[259,395],"additional":[261,542],"costly":[262],"back-end":[263],"processing":[264],"steps.":[265],"control":[267],"farfield":[270],"radiation":[271],"pattern":[272],"makes":[273],"these":[274,493,704],"particularly":[276],"interesting":[277],"brightness":[280],"applications,":[281],"which":[282],"demand":[283],"highly":[284],"directional":[285],"emitters,":[286],"printing,":[290],"bar":[291],"code":[292],"reading,":[293],"area":[295],"displays":[296],"communication.":[299],"inversely":[307],"proportional":[308],"effective":[311,391,409,473],"length.":[313,475],"An":[314],"ideal":[315],"cavity,":[316],"allowing":[317],"close":[321],"unity,":[323],"consists":[324],"material":[330],"length":[335,359,393],"\u03bb/2.":[337],"contrast":[339],"this,":[341],"obtain":[343],"necessary":[350],"use":[352,447],"cavities":[355],"least":[362],"\u03bb.":[363],"should":[365],"noted,":[367],"penetration":[371,465],"depth":[372],"field":[376],"semiconductor-based":[379],"distributed":[380],"Bragg":[381],"reflectors":[382],"(DBRs)":[383],"leads":[384,462],"significant":[387,687],"further":[396,559,729],"reduces":[397],"achievable":[399],"efficiencies.":[401],"thesis":[404,710],"novel":[405],"concepts":[406],"reduce":[408],"lengths":[411],"therefore":[413],"implemented":[418],"structures.":[422,524],"phaseshift":[424],"principle":[426],"whilst":[427],"maintaining":[428],"electrical":[430],"properties":[431,439],"A":[435,476],"achieves":[437],"approaching":[440],"\u03bb/2":[444],"cavity.":[445],"AlOx":[449],"instead":[450],"AlAs":[452],"the,":[454],"component":[458],"DBRs":[461],"smaller":[464],"depths":[466],"concomitant":[469],"reduction":[470],"similar":[477],"effect":[478,579,702],"obtained":[481],"combining":[483,640],"thin-film":[489,646,653,733],"structure.":[490],"Thanks":[491],"design":[494,629],"external":[497,526,610,668,692],"different":[501],"types":[502],"MCLEDs":[504,511,557,604,654,718,734],"increased.":[506],"Near":[507],"infrared":[508,556],"InGaAs/GaAs":[510],"including":[512],"phase-shift":[514,573],"were":[516,534,655],"realized,":[517],"both":[519],"bottom":[520,548,607],"top":[522,553],"achieved":[529],"air":[533],"18":[535,675],"19":[537],"%,":[538],"respectively.":[539,681],"With":[540],"incorporation":[543,620],"oxide":[546,585,608,623],"based":[547],"DBR,":[549],"near":[555,596],"increased":[560],"28":[562],"Red":[564],"AlGaInP-based":[566],"structures":[567],"not":[569],"compatible":[570],"principle.":[575],"However":[576],"beneficial":[578],"implementation":[582],"DBR":[586,609,624],"greater":[588],"their":[590],"wavelength":[591,750],"rather":[592],"infrared.":[597],"Thus":[598],"preliminary":[600],"red":[601,651],"GaInP/AlGaInP":[603],"containing":[605],"12%":[614],"could":[615],"achieved.":[617],"Unfortunately,":[618],"significantly":[625],"complicates":[626],"fabrication.":[633],"These":[634],"problems":[635],"avoided":[638],"instead.":[648],"Initial":[649],"non-optimized":[650],"realized":[656],"OSRAM":[658],"Opto":[659],"Semiconductors":[660],"characterized":[662],"work.":[665],"They":[666],"show":[667,711],"23":[672],"%":[673,676],"encapsulation,":[680],"assumed":[684],"fraction":[688],"strong":[699],"photon":[700],"recycling":[701],"devices.":[705],"Simulations":[706],"presented":[707],"theoretical":[714],"limits":[715],"discussed":[719],"above":[720],"slightly":[722],"higher":[723],"values":[726],"obtained,":[727],"encouraging":[728],"optimization.":[731],"seem":[735],"hold":[737],"biggest":[739],"from":[745],"MCLEDs,":[746],"independent":[747],"range":[751],"emission.":[753]},"counts_by_year":[],"updated_date":"2026-10-17T09:40:24.721904","created_date":"2025-10-10T00:00:00"}