{"id":2250,"date":"2021-09-07T17:10:36","date_gmt":"2021-09-07T09:10:36","guid":{"rendered":"https:\/\/kanglight.com\/?p=2250"},"modified":"2026-06-30T14:38:11","modified_gmt":"2026-06-30T06:38:11","slug":"%d8%a7%d9%84%d8%aa%d8%b7%d9%88%d8%b1-%d8%a7%d9%84%d8%aa%d8%a7%d8%b1%d9%8a%d8%ae%d9%8a-%d9%84%d9%84%d8%a5%d8%b6%d8%a7%d8%a1%d8%a9-%d8%a7%d9%84%d8%b9%d8%a7%d9%85%d8%a9","status":"publish","type":"post","link":"https:\/\/kanglight.com\/ar\/blog\/the-historical-evolution-of-public-lighting\/","title":{"rendered":"\u0627\u0644\u062a\u0637\u0648\u0631 \u0627\u0644\u062a\u0627\u0631\u064a\u062e\u064a \u0644\u0644\u0625\u0646\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0645\u0629"},"content":{"rendered":"<div data-zone-id=\"0\" data-line-index=\"0\">\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u062d\u0627\u0636\u0631\u060c \u062a\u0636\u0627\u0621 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0639\u0627\u0645\u0629 \u0641\u064a \u0643\u0644 \u0644\u064a\u0644\u0629 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id=\"image_224392545\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"400\" height=\"400\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2020\/05\/South-America.jpg\" class=\"attachment-large size-large\" alt=\"\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639 LED\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2020\/05\/South-America.jpg 400w, https:\/\/kanglight.com\/wp-content\/uploads\/2020\/05\/South-America-100x100.jpg 100w, https:\/\/kanglight.com\/wp-content\/uploads\/2020\/05\/South-America-300x300.jpg 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2020\/05\/South-America-80x80.jpg 80w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_224392545 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1218392167\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1402094169\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/TOPAZ.png\" class=\"attachment-large size-large\" alt=\"\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/TOPAZ.png 700w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/TOPAZ-300x300.png 300w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/TOPAZ-80x80.png 80w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/TOPAZ-100x100.png 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1402094169 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<h2 class=\"okr-block-clipboard\" data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22The%20Eighteen%20Fifties%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22The%20great%20inventor%20Benjamin%20Franklin%20first%20introduced%20street%20lighting%20in%20the%20United%20States.%20Franklin%20carried%20out%20several%20experiments%20with%20electricity%20and%20invented%20the%20lightning%20rod.%20He%20then%20proposed%20that%20pawn%20oil%20candles%20be%20encased%20in%20glass%20with%20a%20long%20funnel%20for%20smoking%20and%20a%20slit%20underneath%20to%20allow%20air%20to%20enter.%20In%20this%20way%2C%20the%20candle%20would%20be%20lit%20inside%20the%20glass%20container%20and%20difficult%20to%20blow%20out%20even%20in%20the%20wind.%20This%20is%20the%20earliest%20prototype%20of%20the%20city%20street%20lights%20-%20the%20oil%20and%20wax%20lamp.%20Because%20Franklin%20was%20the%20postmaster%20of%20Philadelphia%2C%20many%20people%20regard%20Philadelphia%20as%20the%20birthplace%20of%20street%20lighting%20in%20the%20United%20States.%20Many%20places%20still%20chose%20to%20use%20oil%20wax%20lamps%20until%20the%20nineteenth%20century%20when%20methane%20gas%20was%20used%20for%20lighting%20in%20the%20United%20States.%22%7D%7D%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\">\u0627\u0644\u062e\u0645\u0633\u064a\u0646\u064a\u0627\u062a \u0648\u0627\u0644\u062b\u0645\u0627\u0646\u064a\u0646\u064a\u0627\u062a<\/h2>\n<div data-zone-id=\"0\" data-line-index=\"1\">\u0643\u0627\u0646 \u0627\u0644\u0645\u062e\u062a\u0631\u0639 \u0627\u0644\u0639\u0638\u064a\u0645 \u0628\u0646\u062c\u0627\u0645\u064a\u0646 \u0641\u0631\u0627\u0646\u0643\u0644\u064a\u0646 \u0623\u0648\u0644 \u0645\u0646 \u0623\u062f\u062e\u0644 \u0627\u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0639\u0627\u0645\u0629 \u0641\u064a \u0627\u0644\u0634\u0648\u0627\u0631\u0639 \u0641\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062a\u062d\u062f\u0629. \u0623\u062c\u0631\u0649 \u0641\u0631\u0627\u0646\u0643\u0644\u064a\u0646 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u062c\u0627\u0631\u0628 \u0639\u0644\u0649 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0648\u0627\u062e\u062a\u0631\u0639 \u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0635\u0648\u0627\u0639\u0642. \u062b\u0645 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data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22Nineteenth-century%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22By%20the%2019th%20century%2C%20methane%20gas%20was%20available%2C%20and%20the%20use%20for%20lighting%20increased.%201802%20saw%20the%20invention%20of%20the%20gas%20lamp%20by%20Scottish%20inventor%20William%20Murdoch%2C%20an%20invention%20that%20illuminated%20the%20exterior%20of%20the%20SoHo%20foundry.%201807%20saw%20the%20first%20gas%20street%20in%20London.%20In%201816%2C%20Baltimore%20became%20the%20first%20city%20in%20the%20United%20States%20to%20install%20gas%20streetlights.%20Paris%20followed%20in%201820.%20At%20this%20time%2C%20%20install%20gas%20through%20pipes%20to%20gas%20lamps%20placed%20on%20utility%20poles.%20Each%20night%20a%20special%20crew%20lit%20the%20lanterns%2C%20and%20each%20morning%2C%20they%20turned%20the%20lights%20off%20again.%20This%20continued%20until%20the%20invention%20of%20lighting%20the%20lamps%20when%20releasing%20the%20gas%20in%20them.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22It%20was%20not%20until%20Thomas%20Edison%20created%20a%20pure%20vacuum%20in%20the%20light%20bulb%20that%20he%20changed%20the%20future%20of%20public%20lighting%20for%20the%20world.%20Edison's%20carbon%20filament%20incandescent%20lamp%20was%20introduced%20in%201879%20and%20gave%20impetus%20to%20the%20development%20of%20public%20lighting.%20This%20gave%20a%20major%20impetus%20to%20the%20subsequent%20development%20of%20public%20street%20lighting.%20The%20first%20city%20in%20the%20USA%20to%20successfully%20demonstrate%20electric%20lighting%20was%20Cleveland%2C%20Ohio%2C%20with%2012%20electric%20lights%20around%20the%20public%20square%20road%20system%20on%2029%20April%201879.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22By%20the%201880s%2C%20Indiana%20was%20the%20first%20town%20in%20the%20United%20States%20to%20introduce%20electric%20street%20lighting.%20This%20is%20how%20public%20lighting%20first%20began%2C%20with%20the%20installation%20of%20arc%20lamps%2C%20also%20known%20as%20Yablochkov%20candles%2C%20in%20Paris%20in%201878.%20Three%20years%20later%2C%204%2C000%20of%20these%20electric%20lamps%20were%20in%20use%2C%20effectively%20replacing%20the%20gas%20lamps%20mounted%20on%20utility%20poles.%20But%20the%20disadvantage%20of%20the%20arc%20lamps%20was%20that%20they%20emitted%20a%20strong%2C%20blinding%20light%20and%20did%20not%20last%20long.%20In%20time%2C%20therefore%2C%20they%20were%20replaced%20by%20cheaper%2C%20brighter%2C%20and%20longer-lasting%20incandescent%20lamps.%20But%20to%20this%20day%2C%20arc%20lamps%20are%20still%20useful%20on%20certain%20industrial%20sites.%22%7D%7D%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\">\u0625\u0636\u0627\u0621\u0629 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\u0627\u0644\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629.<\/div>\n<div class=\"row\"  id=\"row-3585805\">\n\n\t<div id=\"col-1020304059\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_934777352\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"430\" height=\"323\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/bell-t6.png\" class=\"attachment-large size-large\" alt=\"\u0636\u0648\u0621 \u0627\u0644\u0634\u062c\u0631\u0629\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/bell-t6.png 430w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/bell-t6-300x225.png 300w\" sizes=\"(max-width: 430px) 100vw, 430px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_934777352 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1562657551\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_596367679\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"595\" height=\"372\" src=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/KEIRA-T6.png\" class=\"attachment-large size-large\" alt=\"\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639\" srcset=\"https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/KEIRA-T6.png 595w, https:\/\/kanglight.com\/wp-content\/uploads\/2021\/05\/KEIRA-T6-300x188.png 300w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_596367679 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<h2 class=\"okr-block-clipboard\" data-okr=\"%7B%22okrDelta%22%3A%5B%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22Twentieth-century%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22By%20the%20beginning%20of%20the%2020th%20century%2C%20the%20original%20gas%20or%20methane%20lamps%20had%20been%20known%20to%20cause%20fires.%20So%20streetlight%20manufacturers%20were%20looking%20for%20a%20safer%20and%20more%20efficient%20way%20to%20light%20up%20the%20streets.%20It%20was%20not%20until%20the%201930s%20and%201940s%20that%20fluorescent%20and%20incandescent%20lamps%20became%20popular.%20It%20was%20then%20that%20motor%20travel%20began%20to%20flourish.%20In%201930%20low-pressure%20sodium%20lamps%20became%20popular%2C%20and%20these%20lamps%20consisted%20of%20a%20removable%20outer%20sheath%20and%20a%20vacuum%20layer%20for%20insulation.%20This%20allowed%20the%20sodium%20to%20be%20kept%20in%20vapor%20form%20at%20high%20temperatures.%20At%20the%20beginning%20of%20the%2020th%20century%2C%20streets%20with%20lights%20were%20called%20white%20roads.%20It%20was%20not%20until%201962%20that%20the%20first%20practical%20visible-spectrum%20light-emitting%20diodes%20(LEDs)%20were%20developed%2C%20and%20in%201965%20high-pressure%20sodium%20(HID)%20lamps%20brought%20superior%20color%20and%20efficiency%20compared%20to%20their%20low-pressure%20counterparts.%20By%20this%20time%2C%20public%20lighting%20was%20already%20taking%20shape.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22Street%20lighting%20in%20the%20twenty-first%20century%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%7B%22opType%22%3A%22text%22%2C%22options%22%3A%7B%22text%22%3A%22The%20invention%20of%20LED%20street%20lighting%20in%20the%20twenty-first%20century%20could%20be%20considered%20a%20giant%20leap%20forward%20for%20public%20led%20lights.%20From%20this%20time%20onwards%2C%20LED%20street%20lighting%20became%20commonplace%2C%20and%20LED%20energy-saving%20technology%20flourished.%20The%20implementation%20of%20LED%20street%20lighting%20also%20offers%20enhanced%20control%20and%20versatility.%20Led%20street%20lights%20are%20low%20cost%20and%20low%20maintenance%2C%20and%20they%20also%20allow%20customers%20to%20specify%20color%20temperature%2C%20wattage%2C%20etc.%2C%20to%20suit%20any%20application.%20Previously%20street%20lights%20were%20expensive%20with%20all%20the%20talk%20about%20using%20more%20green%20energy%20and%20reducing%20the%20carbon%20footprint.%20Many%20cities%20have%20embraced%20LED%20lighting%20as%20a%20way%20to%20save%20money%20and%20help%20the%20environment%20at%20the%20same%20time.%20So%20LED%20public%20lighting%20is%20growing%20rapidly%20and%20is%20being%20used%20extensively.%20Recent%20studies%20in%20Los%20Angeles%20have%20shown%20that%20crime%20rates%20have%20decreased%20after%20the%20installation%20of%20LED%20public%20lighting.%20The%20illuminated%20area%20is%20large%20compared%20to%20walking%20under%20traditional%20street%20lights.%20This%20makes%20people%20feel%20and%20be%20safer%20when%20walking%20home%20late%20at%20night.%22%7D%7D%5D%7D%2C%7B%22lineType%22%3A%22text%22%2C%22lineOptions%22%3A%7B%7D%2C%22lineContent%22%3A%5B%5D%7D%5D%2C%22businessKey%22%3A%22lark-doc%22%7D\">\u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u0639\u0634\u0631\u064a\u0646<\/h2>\n<div data-zone-id=\"0\" data-line-index=\"1\">\u0648\u0628\u062d\u0644\u0648\u0644 \u0628\u062f\u0627\u064a\u0629 \u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u0639\u0634\u0631\u064a\u0646\u060c \u0643\u0627\u0646 \u0645\u0646 \u0627\u0644\u0645\u0639\u0631\u0648\u0641 \u0623\u0646 \u0645\u0635\u0627\u0628\u064a\u062d \u0627\u0644\u063a\u0627\u0632 \u0623\u0648 \u0627\u0644\u0645\u064a\u062b\u0627\u0646 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0643\u0627\u0646\u062a \u062a\u062a\u0633\u0628\u0628 \u0641\u064a \u0646\u0634\u0648\u0628 \u0627\u0644\u062d\u0631\u0627\u0626\u0642. \u0644\u0630\u0644\u0643 \u0643\u0627\u0646 \u0645\u0635\u0646\u0639\u0648 \u0645\u0635\u0627\u0628\u064a\u062d \u0625\u0646\u0627\u0631\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639 \u064a\u0628\u062d\u062b\u0648\u0646 \u0639\u0646 \u0637\u0631\u064a\u0642\u0629 \u0623\u0643\u062b\u0631 \u0623\u0645\u0627\u0646\u064b\u0627 \u0648\u0641\u0639\u0627\u0644\u064a\u0629 \u0644\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0634\u0648\u0627\u0631\u0639. \u0648\u0644\u0645 \u062a\u0646\u062a\u0634\u0631 \u0645\u0635\u0627\u0628\u064a\u062d \u0627\u0644\u0641\u0644\u0648\u0631\u0633\u0646\u062a \u0648\u0627\u0644\u0645\u0635\u0627\u0628\u064a\u062d \u0627\u0644\u0645\u062a\u0648\u0647\u062c\u0629 \u062d\u062a\u0649 \u062b\u0644\u0627\u062b\u064a\u0646\u064a\u0627\u062a \u0648\u0623\u0631\u0628\u0639\u064a\u0646\u064a\u0627\u062a \u0627\u0644\u0642\u0631\u0646 \u0627\u0644\u0639\u0634\u0631\u064a\u0646. \u0648\u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0648\u0642\u062a \u0628\u062f\u0623\u062a \u062d\u0631\u0643\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0641\u064a \u0627\u0644\u0627\u0632\u062f\u0647\u0627\u0631. \u0648\u0641\u064a \u0639\u0627\u0645 1930 \u0623\u0635\u0628\u062d\u062a \u0645\u0635\u0627\u0628\u064a\u062d \u0627\u0644\u0635\u0648\u062f\u064a\u0648\u0645 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