球泡燈的重要組成部分是：線路板，LED芯片和驅動電源。常用的線路板分為兩種：分別是鋁基板和玻纖板。玻纖板在價格上要比鋁基板廉價許多，它按照資料和制造工藝的不同可以分為：雙面銅箔玻纖板，穿孔銅箔玻釬板和單面銅箔玻纖板等。不同的材質和工藝制造出來的玻纖板價格也不相同。選用玻纖板的LED球泡燈在散熱性上不如選用鋁基板的LED球泡燈。

鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)是(shi)(shi)(shi)(shi)應(ying)用(yong)(yong)最(zui)(zui)為(wei)遍及的(de)(de)(de)線(xian)路(lu)板(ban)(ban)(ban)(ban)，它擁有(you)杰(jie)出的(de)(de)(de)散(san)熱性，價(jia)(jia)格也(ye)是(shi)(shi)(shi)(shi)導(dao)(dao)熱金屬中最(zui)(zui)廉價(jia)(jia)的(de)(de)(de)。鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)分為(wei)三(san)層(ceng)(ceng)，最(zui)(zui)上面(mian)是(shi)(shi)(shi)(shi)線(xian)路(lu)板(ban)(ban)(ban)(ban)層(ceng)(ceng)，用(yong)(yong)來(lai)安置線(xian)路(lu)。中心部分是(shi)(shi)(shi)(shi)導(dao)(dao)熱和絕緣(yuan)層(ceng)(ceng)，最(zui)(zui)底(di)部是(shi)(shi)(shi)(shi)鋁(lv)(lv)(lv)底(di)層(ceng)(ceng)，用(yong)(yong)來(lai)將熱量掃除。鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)杰(jie)出的(de)(de)(de)性價(jia)(jia)比(bi)，讓它在LED燈具(ju)制(zhi)造中頗受青睞。 另外絕緣(yuan)層(ceng)(ceng)和導(dao)(dao)熱層(ceng)(ceng)的(de)(de)(de)資料(liao)也(ye)能節(jie)約成本(ben)，最(zui)(zui)好的(de)(de)(de)導(dao)(dao)熱資料(liao)是(shi)(shi)(shi)(shi)特殊(shu)的(de)(de)(de)陶瓷聚合物，價(jia)(jia)格當然(ran)也(ye)是(shi)(shi)(shi)(shi)最(zui)(zui)貴的(de)(de)(de)。一般(ban)低價(jia)(jia)的(de)(de)(de)鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)一般(ban)選(xuan)用(yong)(yong)的(de)(de)(de)都是(shi)(shi)(shi)(shi)環(huan)氧樹(shu)脂和玻璃布等(deng)作為(wei)導(dao)(dao)熱資料(liao)。最(zui)(zui)后鋁(lv)(lv)(lv)底(di)層(ceng)(ceng)有(you)銅板(ban)(ban)(ban)(ban)和鋁(lv)(lv)(lv)板(ban)(ban)(ban)(ban)的(de)(de)(de)差異，選(xuan)用(yong)(yong)銅板(ban)(ban)(ban)(ban)制(zhi)造的(de)(de)(de)鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)散(san)熱作用(yong)(yong)非常(chang)好，可是(shi)(shi)(shi)(shi)成本(ben)會提高(gao)許多。為(wei)了保(bao)證性價(jia)(jia)比(bi)，所以LED燈具(ju)廠家一般(ban)都是(shi)(shi)(shi)(shi)選(xuan)用(yong)(yong)鋁(lv)(lv)(lv)板(ban)(ban)(ban)(ban)來(lai)制(zhi)造鋁(lv)(lv)(lv)基板(ban)(ban)(ban)(ban)。

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