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LED燈珠知識

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LED燈珠內部脫膠 燈珠頻繁壞的原因

發布時間:2022-11-08 10:45:16

大(da)家好(hao)我是天成照明(ming)LED燈(deng)珠(zhu)(zhu)廠家小編燈(deng)漂亮今(jin)天我們來介紹LED燈(deng)珠(zhu)(zhu)內部脫膠 燈(deng)珠(zhu)(zhu)頻繁壞的(de)原因的(de)問(wen)題(ti),以(yi)下就是燈(deng)漂亮對(dui)此(ci)問(wen)題(ti)和(he)相關問(wen)題(ti)的(de)歸納整理(li),一起來看(kan)看(kan)吧。

文章目錄導航:

2016燈珠脫膠爛燈是什么原因

原因(yin)是(shi)(shi)由于(yu)LED燈(deng)工作(zuo)電(dian)(dian)(dian)(dian)壓(ya)低(di)(紅黃(huang)橙(cheng)LED工作(zuo)電(dian)(dian)(dian)(dian)壓(ya)1.8V-2.2V,藍綠白(bai)LED工作(zuo)電(dian)(dian)(dian)(dian)壓(ya)2.8-3.2V),一(yi)(yi)般(ban)都要(yao)用串、并聯來(lai)聯接,來(lai)適應不同(tong)的(de)(de)(de)(de)工作(zuo)電(dian)(dian)(dian)(dian)壓(ya),重(zhong)慶led顯示(shi)屏(ping)串聯的(de)(de)(de)(de)LED燈(deng)越多(duo)影(ying)響越大(da),只要(yao)其中有一(yi)(yi)個(ge)LED燈(deng)內部連(lian)線開路,將造(zao)(zao)成(cheng)該串聯電(dian)(dian)(dian)(dian)路的(de)(de)(de)(de)整串LED燈(deng)不亮,可(ke)(ke)(ke)見這種(zhong)情況(kuang)比第一(yi)(yi)種(zhong)情況(kuang)要(yao)嚴重(zhong)的(de)(de)(de)(de)多(duo)。二、LED死(si)燈(deng)是(shi)(shi)影(ying)響產(chan)品質量、可(ke)(ke)(ke)靠性(xing)的(de)(de)(de)(de)關健,如何減少和杜(du)絕死(si)燈(deng),提(ti)高產(chan)品質量和可(ke)(ke)(ke)靠性(xing),是(shi)(shi)封(feng)裝(zhuang)、應用企(qi)業(ye)需要(yao)解決的(de)(de)(de)(de)關鍵問題。下面(mian)是(shi)(shi)對(dui)造(zao)(zao)成(cheng)死(si)燈(deng)的(de)(de)(de)(de)一(yi)(yi)些(xie)原因(yin)作(zuo)一(yi)(yi)些(xie)分析探討(tao):靜電(dian)(dian)(dian)(dian)對(dui)LED芯(xin)片造(zao)(zao)成(cheng)損(sun)傷,使LED芯(xin)片的(de)(de)(de)(de)PN結失效,重(zhong)慶led顯示(shi)屏(ping)漏(lou)電(dian)(dian)(dian)(dian)流增大(da),變(bian)(bian)成(cheng)一(yi)(yi)個(ge)電(dian)(dian)(dian)(dian)阻(zu)靜電(dian)(dian)(dian)(dian)是(shi)(shi)一(yi)(yi)種(zhong)危害(hai)極大(da)的(de)(de)(de)(de)魔(mo)鬼,全世界因(yin)為(wei)靜電(dian)(dian)(dian)(dian)損(sun)壞的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)子元器件不計其數,造(zao)(zao)成(cheng)數千(qian)萬(wan)美元的(de)(de)(de)(de)經(jing)濟損(sun)失。所以(yi)防止(zhi)靜電(dian)(dian)(dian)(dian)損(sun)壞電(dian)(dian)(dian)(dian)子元器件,是(shi)(shi)電(dian)(dian)(dian)(dian)子行業(ye)一(yi)(yi)項很重(zhong)要(yao)的(de)(de)(de)(de)工作(zuo),LED封(feng)裝(zhuang)、應用的(de)(de)(de)(de)企(qi)業(ye)千(qian)萬(wan)不要(yao)掉以(yi)輕心。任何一(yi)(yi)個(ge)環(huan)節出問題,都將造(zao)(zao)成(cheng)對(dui)LED的(de)(de)(de)(de)損(sun)害(hai),使LED性(xing)能(neng)變(bian)(bian)壞甚至(zhi)失效。三(san)、我們(men)知道人體(ESD)靜電(dian)(dian)(dian)(dian)可(ke)(ke)(ke)以(yi)達到三(san)千(qian)伏左右,足可(ke)(ke)(ke)以(yi)將LED芯(xin)片擊穿損(sun)壞,在LED封(feng)裝(zhuang)生(sheng)產(chan)線,各類設備(bei)的(de)(de)(de)(de)接地電(dian)(dian)(dian)(dian)阻(zu)是(shi)(shi)否符(fu)合要(yao)求,這也是(shi)(shi)很重(zhong)要(yao)的(de)(de)(de)(de),一(yi)(yi)般(ban)要(yao)求接地電(dian)(dian)(dian)(dian)阻(zu)為(wei)4歐(ou)姆,有些(xie)要(yao)求高的(de)(de)(de)(de)場合其接地電(dian)(dian)(dian)(dian)阻(zu)甚至(zhi)要(yao)達到≤2歐(ou)姆。

LED燈珠內部脫膠

2016燈珠脫膠爛角是什么原因

原因是(shi)由(you)于LED燈(deng)(deng)工(gong)(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)低(紅黃橙LED工(gong)(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)1.8V-2.2V,藍綠白LED工(gong)(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya)2.8-3.2V),一(yi)(yi)般都要(yao)用(yong)串(chuan)、并聯來(lai)(lai)聯接,來(lai)(lai)適應不同的(de)(de)(de)工(gong)(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)壓(ya),重慶(qing)led顯(xian)示屏串(chuan)聯的(de)(de)(de)LED燈(deng)(deng)越多影響越大(da),只要(yao)其中有一(yi)(yi)個LED燈(deng)(deng)內部(bu)連線開路(lu)(lu),將(jiang)造成(cheng)(cheng)(cheng)該串(chuan)聯電(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)整串(chuan)LED燈(deng)(deng)不亮,可見這種情況比第一(yi)(yi)種情況要(yao)嚴重的(de)(de)(de)多。二(er)、LED死(si)燈(deng)(deng)是(shi)影響產品質(zhi)量、可靠性的(de)(de)(de)關健,如何(he)減少和杜絕死(si)燈(deng)(deng),提高產品質(zhi)量和可靠性,是(shi)封裝、應用(yong)企業需要(yao)解(jie)決的(de)(de)(de)關鍵問(wen)題(ti)。下(xia)面是(shi)對造成(cheng)(cheng)(cheng)死(si)燈(deng)(deng)的(de)(de)(de)一(yi)(yi)些原因作(zuo)(zuo)一(yi)(yi)些分析(xi)探討:靜(jing)電(dian)(dian)(dian)(dian)對LED芯(xin)(xin)片造成(cheng)(cheng)(cheng)損(sun)傷(shang),使LED芯(xin)(xin)片的(de)(de)(de)PN結失效,重慶(qing)led顯(xian)示屏漏電(dian)(dian)(dian)(dian)流增(zeng)大(da),變成(cheng)(cheng)(cheng)一(yi)(yi)個電(dian)(dian)(dian)(dian)阻靜(jing)電(dian)(dian)(dian)(dian)是(shi)一(yi)(yi)種危害(hai)極大(da)的(de)(de)(de)魔鬼,全世界因為靜(jing)電(dian)(dian)(dian)(dian)損(sun)壞的(de)(de)(de)電(dian)(dian)(dian)(dian)子元器件(jian)不計其數(shu),造成(cheng)(cheng)(cheng)數(shu)千萬美(mei)元的(de)(de)(de)經濟(ji)損(sun)失。所以防止靜(jing)電(dian)(dian)(dian)(dian)損(sun)壞電(dian)(dian)(dian)(dian)子元器件(jian),是(shi)電(dian)(dian)(dian)(dian)子行業一(yi)(yi)項很(hen)重要(yao)的(de)(de)(de)工(gong)(gong)作(zuo)(zuo),LED封裝、應用(yong)的(de)(de)(de)企業千萬不要(yao)掉(diao)以輕心。任何(he)一(yi)(yi)個環節(jie)出問(wen)題(ti),都將(jiang)造成(cheng)(cheng)(cheng)對LED的(de)(de)(de)損(sun)害(hai),使LED性能變壞甚至失效。

led電視燈珠帽脫落用什么膠水

LED燈珠帽脫(tuo)落用(yong)(yong)的(de)膠(jiao)(jiao)(jiao)有多(duo)種(zhong)多(duo)樣(yang),各(ge)種(zhong)膠(jiao)(jiao)(jiao)的(de)性能不(bu)一(yi)樣(yang),有快干(gan)的(de)熱(re)(re)膠(jiao)(jiao)(jiao),但(dan)是(shi)這種(zhong)膠(jiao)(jiao)(jiao)牢(lao)度(du)(du)不(bu)夠,只(zhi)能暫時(shi)起到固定作(zuo)用(yong)(yong),目前(qian)市(shi)場上(shang)為(wei)了大批(pi)生產(chan)會以快速的(de)速度(du)(du)批(pi)量(liang)加工、熱(re)(re)膠(jiao)(jiao)(jiao)用(yong)(yong)的(de)比較多(duo),但(dan)是(shi)牢(lao)度(du)(du)卻(que)成(cheng)了問題。自己不(bu)急于立即用(yong)(yong)建議用(yong)(yong)硅(gui)膠(jiao)(jiao)(jiao)或(huo)環(huan)氧樹脂膠(jiao)(jiao)(jiao),但(dan)是(shi)這種(zhong)膠(jiao)(jiao)(jiao)根(gen)據目前(qian)的(de)溫度(du)(du)必須24小時(shi)后才能干(gan),硅(gui)膠(jiao)(jiao)(jiao)干(gan)了以后萬一(yi)需要鏟掉,只(zhi)要用(yong)(yong)刀片輕輕的(de)就(jiu)能鏟掉,環(huan)氧樹脂一(yi)旦粘住了,牢(lao)度(du)(du)相當(dang)不(bu)太容易鏟掉。

led燈珠上面的膠掉了

LED燈珠封裝制程中都很容易出現膠水變黃,LED支架爬膠等,這(zhe)些常見的LED情(qing)況(kuang)。

如果這些led燈珠上面的(de)膠掉了,怎么辦呢

首先要找到原因:

1、支(zhi)架表面凹凸不平產生(sheng)毛細現象(xiang)。

2、AB膠中含(han)有易揮(hui)發(fa)材(cai)料。

解決的辦法:

一是與供應商聯系。

二是更換新的。

led燈珠剝離怎么處理

LED燈珠剝離怎么處理(li)

在對(dui)LED燈進行維修時,如果需要將(jiang)損壞(huai)(huai)的燈珠(zhu)從燈盤的散熱(re)基板(ban)上(shang)移(yi)除,最好采用熱(re)風槍(qiang)來進行,將(jiang)熱(re)風槍(qiang)調至合適的溫度,用熱(re)風槍(qiang)吹出(chu)的高溫空氣(qi)加(jia)熱(re)損壞(huai)(huai)的燈珠(zhu),當(dang)溫度達到焊錫的熔(rong)點時燈珠(zhu)就會(hui)從基板(ban)上(shang)剝離。

以上就是(shi)天成小(xiao)編(bian)對于(yu)LED燈珠(zhu)內部脫膠 燈珠(zhu)頻繁壞(huai)的(de)(de)原因問題和相關問題的(de)(de)解答了,希望(wang)對你有用 【責任編(bian)輯:燈漂亮】

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