🌐EnglishEnglishEspañolFrançaisNederlandsفارسی日本語EntityQ2213555· pop 7· linked from 19 articlesHaitz's lawObservation of LED production efficiencyAvailable in 7 languagesEspañol日本語CatalanNederlandsSlovakفارسیvia Wikidata sitelinks · CC0ConnectionscomputerEntityaxiomEntityCategoriesComputer architecture statementsLight-emitting diodesLightingRules of thumbSemiconductor devices