COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)是(shi)(shi)一種(zhong)新型的(de)(de)(de)顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)技(ji)術，COB是(shi)(shi)Chip On Board的(de)(de)(de)縮寫，意為芯片(pian)直接(jie)(jie)焊接(jie)(jie)于電(dian)路(lu)(lu)板(ban)上(shang)。COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)由于其結(jie)(jie)(jie)構簡單，可(ke)靠性高(gao)，適用于大(da)面(mian)(mian)積顯(xian)(xian)示(shi)(shi)(shi)等(deng)(deng)特點(dian)(dian)，被廣(guang)泛應用于數字產(chan)品(pin)、電(dian)子(zi)鐘表、手(shou)持設備(bei)、汽車儀表盤等(deng)(deng)領域。COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)的(de)(de)(de)特點(dian)(dian)是(shi)(shi)芯片(pian)直接(jie)(jie)焊接(jie)(jie)于電(dian)路(lu)(lu)板(ban)上(shang)，不(bu)需要(yao)外部連(lian)接(jie)(jie)線(xian)路(lu)(lu)，這種(zhong)結(jie)(jie)(jie)構不(bu)僅使得(de)屏(ping)(ping)(ping)幕更加薄(bo)、輕、省電(dian)，而且在(zai)抗震性、耐高(gao)溫性等(deng)(deng)方面(mian)(mian)也表現(xian)出色。此(ci)外，COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)還(huan)具有(you)(you)高(gao)亮度(du)、高(gao)對比度(du)、高(gao)分辨(bian)率等(deng)(deng)優點(dian)(dian)，可(ke)以提供更加清晰、鮮艷的(de)(de)(de)圖(tu)像和文(wen)字顯(xian)(xian)示(shi)(shi)(shi)效果。總之(zhi)，COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)是(shi)(shi)一種(zhong)新型的(de)(de)(de)高(gao)性能(neng)顯(xian)(xian)示(shi)(shi)(shi)技(ji)術，具有(you)(you)結(jie)(jie)(jie)構簡單、可(ke)靠性高(gao)、顯(xian)(xian)示(shi)(shi)(shi)效果好等(deng)(deng)優點(dian)(dian)，在(zai)數字產(chan)品(pin)、電(dian)子(zi)鐘表、手(shou)持設備(bei)、汽車儀表盤等(deng)(deng)領域有(you)(you)著(zhu)廣(guang)泛的(de)(de)(de)應用前景。COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)的(de)(de)(de)信號(hao)傳(chuan)輸穩(wen)定可(ke)靠，不(bu)易受外界干擾。機場監控COB顯(xian)(xian)示(shi)(shi)(shi)屏(ping)(ping)(ping)本地化服務(wu)

1.一種COB小間距全彩顯(xian)示屏(ping)封裝(zhuang)方法，其特征在于，包括以下(xia)步驟：a）點(dian)(dian)(dian)測(ce)：點(dian)(dian)(dian)測(ce)出芯(xin)片(pian)(pian)(pian)的(de)波(bo)(bo)長，亮(liang)度(du)，電流，電壓的(de)值(zhi)；b）分選(xuan)：分選(xuan)出紅光波(bo)(bo)長5nm片(pian)(pian)(pian)內(nei)均(jun)勻(yun)性，藍(lan)綠光波(bo)(bo)長3nm片(pian)(pian)(pian)內(nei)均(jun)勻(yun)性，紅藍(lan)綠亮(liang)度(du)值(zhi)8-12%誤差(cha)范圍片(pian)(pian)(pian)內(nei)均(jun)勻(yun)性的(de)芯(xin)片(pian)(pian)(pian)；c）固(gu)晶(jing)(jing)：通過銀膠和環氧(yang)樹(shu)脂(zhi)固(gu)晶(jing)(jing)膠將(jiang)(jiang)分選(xuan)出的(de)芯(xin)片(pian)(pian)(pian)固(gu)定在PCB板上；d）焊線(xian)：通過引線(xian)鍵(jian)合技(ji)術將(jiang)(jiang)PCB上的(de)焊盤(pan)和芯(xin)片(pian)(pian)(pian)焊盤(pan)用金線(xian)連接；e）點(dian)(dian)(dian)膠：通過高(gao)精度(du)點(dian)(dian)(dian)膠設備使用環氧(yang)樹(shu)脂(zhi)將(jiang)(jiang)紅綠藍(lan)芯(xin)片(pian)(pian)(pian)點(dian)(dian)(dian)成(cheng)單個(ge)的(de)像素點(dian)(dian)(dian)；f）真(zhen)空(kong)灌(guan)(guan)膠：在真(zhen)空(kong)的(de)密閉環境中，灌(guan)(guan)入一層加入炭黑的(de)硬質硅膠；g）噴砂(sha)：通過噴砂(sha)機使得膠體表(biao)面粗糙(cao)化。成(cheng)都MicroCOB顯(xian)示屏(ping)cob顯(xian)示屏(ping)產品的(de)使用壽命一般為多(duo)久(jiu)？

COB顯示屏(ping)的(de)(de)(de)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)主(zhu)要有以下幾(ji)個(ge)方(fang)(fang)面：1.設(she)(she)計可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)：在(zai)設(she)(she)計過(guo)程(cheng)中，需要考(kao)慮到各(ge)種(zhong)可(ke)(ke)能的(de)(de)(de)故障情況(kuang)，進行充分(fen)的(de)(de)(de)測(ce)試(shi)(shi)和驗(yan)證，確(que)(que)保(bao)(bao)設(she)(she)計方(fang)(fang)案的(de)(de)(de)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)。2.材料可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)：選(xuan)擇(ze)高質(zhi)(zhi)量(liang)(liang)的(de)(de)(de)材料，確(que)(que)保(bao)(bao)其穩定性(xing)和可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)。例(li)如，選(xuan)用高質(zhi)(zhi)量(liang)(liang)的(de)(de)(de)LED燈珠、PCB板、連接器等。3.生(sheng)產(chan)(chan)(chan)(chan)(chan)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)：采用高標準的(de)(de)(de)生(sheng)產(chan)(chan)(chan)(chan)(chan)工藝和嚴(yan)格(ge)的(de)(de)(de)質(zhi)(zhi)量(liang)(liang)控制(zhi)流程(cheng)，確(que)(que)保(bao)(bao)每一個(ge)環節都符合規范(fan)要求，從(cong)而保(bao)(bao)證產(chan)(chan)(chan)(chan)(chan)品(pin)的(de)(de)(de)質(zhi)(zhi)量(liang)(liang)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)。4.測(ce)試(shi)(shi)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)：在(zai)生(sheng)產(chan)(chan)(chan)(chan)(chan)過(guo)程(cheng)中，對每一個(ge)產(chan)(chan)(chan)(chan)(chan)品(pin)進行嚴(yan)格(ge)的(de)(de)(de)測(ce)試(shi)(shi)和檢驗(yan)，確(que)(que)保(bao)(bao)產(chan)(chan)(chan)(chan)(chan)品(pin)的(de)(de)(de)性(xing)能和質(zhi)(zhi)量(liang)(liang)符合要求。5.售(shou)后服務(wu)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)：提供完善的(de)(de)(de)售(shou)后服務(wu)，及(ji)時解決(jue)客戶(hu)(hu)遇(yu)到的(de)(de)(de)問題，確(que)(que)保(bao)(bao)客戶(hu)(hu)對產(chan)(chan)(chan)(chan)(chan)品(pin)的(de)(de)(de)滿意度和信任度。綜上所述(shu)，COB顯示屏(ping)的(de)(de)(de)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)需要從(cong)設(she)(she)計、材料、生(sheng)產(chan)(chan)(chan)(chan)(chan)、測(ce)試(shi)(shi)和售(shou)后服務(wu)等多個(ge)方(fang)(fang)面進行保(bao)(bao)證。只有在(zai)各(ge)個(ge)環節都嚴(yan)格(ge)把控，才能確(que)(que)保(bao)(bao)產(chan)(chan)(chan)(chan)(chan)品(pin)的(de)(de)(de)質(zhi)(zhi)量(liang)(liang)可(ke)(ke)靠(kao)(kao)(kao)(kao)性(xing)。

cob封(feng)裝(zhuang)(zhuang)(zhuang)的(de)(de)led顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)結合(he)SMD封(feng)裝(zhuang)(zhuang)(zhuang)的(de)(de)led顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)相比：1、cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)防護能力更(geng)強，因(yin)為(wei)cob封(feng)裝(zhuang)(zhuang)(zhuang)將(jiang)器件完全封(feng)閉，沒有(you)(you)掉(diao)燈現象，后期維護除了日(ri)常(chang)(chang)(chang)清(qing)潔(jie)(jie)，幾乎(hu)沒有(you)(you)修燈工作(zuo)(zuo)；但是(shi)(shi)SMD封(feng)裝(zhuang)(zhuang)(zhuang)的(de)(de)led顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)常(chang)(chang)(chang)見的(de)(de)維護工作(zuo)(zuo)就是(shi)(shi)修燈，且屏(ping)(ping)(ping)面(mian)清(qing)潔(jie)(jie)要(yao)比cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)難度要(yao)高。如果(guo)是(shi)(shi)SMD封(feng)裝(zhuang)(zhuang)(zhuang)的(de)(de)大間距(ju)(ju)led顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)，日(ri)常(chang)(chang)(chang)清(qing)潔(jie)(jie)工作(zuo)(zuo)是(shi)(shi)非常(chang)(chang)(chang)繁瑣的(de)(de)，即(ji)便是(shi)(shi)led小(xiao)(xiao)間距(ju)(ju)帶面(mian)罩，如果(guo)日(ri)常(chang)(chang)(chang)清(qing)潔(jie)(jie)不當（如抹布(bu)水分太多），還會造成(cheng)損壞；cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)就不會出現這(zhe)樣(yang)的(de)(de)情況，直接(jie)用(yong)抹布(bu)清(qing)洗即(ji)可(ke)，因(yin)為(wei)cob封(feng)裝(zhuang)(zhuang)(zhuang)直接(jie)將(jiang)發(fa)光(guang)(guang)芯片封(feng)裝(zhuang)(zhuang)(zhuang)在PCB板，然后用(yong)環氧樹脂膠固(gu)化，屏(ping)(ping)(ping)面(mian)光(guang)(guang)滑、封(feng)閉性(xing)強不滲(shen)水；2、cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)運輸、安裝(zhuang)(zhuang)(zhuang)、拆卸可(ke)靠性(xing)更(geng)強；3、光(guang)(guang)感更(geng)好，cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)“面(mian)”光(guang)(guang)源發(fa)光(guang)(guang)，有(you)(you)效(xiao)抑(yi)制(zhi)摩(mo)爾(er)紋，近(jin)距(ju)(ju)離(li)觀看不傷眼，超微間距(ju)(ju)，顯(xian)(xian)(xian)示(shi)像素更(geng)飽滿，有(you)(you)與液晶(jing)顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)媲美(mei)的(de)(de)能力；而led小(xiao)(xiao)間距(ju)(ju)即(ji)便是(shi)(shi)更(geng)小(xiao)(xiao)點間距(ju)(ju)1.0mm，也無(wu)法(fa)有(you)(you)效(xiao)抑(yi)制(zhi)摩(mo)爾(er)紋；4、cob顯(xian)(xian)(xian)示(shi)屏(ping)(ping)(ping)散(san)熱更(geng)好、更(geng)好、產品質(zhi)量更(geng)有(you)(you)保障，熱量直接(jie)通過pcb散(san)出，熱阻值小(xiao)(xiao)。MCPCB光(guang)(guang)源模(mo)組”合(he)二為(wei)一，直接(jie)將(jiang)半導體芯片交接(jie)貼裝(zhuang)(zhuang)(zhuang)，集成(cheng)在MCPCB上做成(cheng)COB光(guang)(guang)源模(mo)塊。

COB封(feng)(feng)裝(zhuang)(zhuang)就(jiu)是(shi)將(jiang)發光芯(xin)片直接(jie)封(feng)(feng)裝(zhuang)(zhuang)在PCB板(ban)上，完(wan)全(quan)真實(shi)的(de)(de)密(mi)封(feng)(feng)器件。無論在運輸、安(an)裝(zhuang)(zhuang)、拆(chai)卸(xie)等過程中(zhong)(zhong)。它不怕碰撞帶來(lai)的(de)(de)沖(chong)擊力(li)，也不會有(you)燈掉下來(lai)或者摔壞。COBLED顯(xian)(xian)示(shi)屏(ping)后期使(shi)(shi)用(yong)(yong)過程中(zhong)(zhong)，維修率(lv)極低(di)，使(shi)(shi)用(yong)(yong)壽(shou)命(ming)更(geng)有(you)保障。由于(yu)cob封(feng)(feng)裝(zhuang)(zhuang)的(de)(de)特性，COBLED顯(xian)(xian)示(shi)屏(ping)實(shi)現(xian)(xian)了更(geng)細膩(ni)的(de)(de)顯(xian)(xian)示(shi)，因(yin)為間距更(geng)小；器件完(wan)全(quan)封(feng)(feng)閉，發光芯(xin)片封(feng)(feng)裝(zhuang)(zhuang)在PCB內。在使(shi)(shi)用(yong)(yong)過程中(zhong)(zhong)，熱量直接(jie)通過板(ban)子(zi)散發，所以(yi)散熱快，熱量不積(ji)累，電子(zi)產品的(de)(de)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)自然更(geng)有(you)保障。就(jiu)目(mu)前情(qing)況(kuang)來(lai)看，COBLED顯(xian)(xian)示(shi)屏(ping)主(zhu)要應用(yong)(yong)于(yu)調度指揮中(zhong)(zhong)心(xin)、控(kong)(kong)制指揮中(zhong)(zhong)心(xin)、監控(kong)(kong)安(an)防中(zhong)(zhong)心(xin)、會議視頻中(zhong)(zhong)心(xin)、信息中(zhong)(zhong)心(xin)、演示(shi)中(zhong)(zhong)心(xin)、演播(bo)廳(ting)中(zhong)(zhong)心(xin)等場合，這是(shi)因(yin)為COB顯(xian)(xian)示(shi)屏(ping)的(de)(de)主(zhu)要特點(dian)是(shi)準確顯(xian)(xian)示(shi)。COB顯(xian)(xian)示(shi)屏(ping)可以(yi)實(shi)現(xian)(xian)多種屏(ping)幕尺(chi)寸(cun)和分辨率(lv)，可以(yi)滿足不同的(de)(de)顯(xian)(xian)示(shi)需求。溫州(zhou)COB顯(xian)(xian)示(shi)屏(ping)報(bao)價

COB光源模塊可(ke)以(yi)使安裝生產更簡單(dan)和方便，有效(xiao)地降低了應用成本。機場監控COB顯示(shi)屏(ping)本地化服務

COB顯(xian)示(shi)屏的(de)(de)顯(xian)示(shi)原(yuan)理是利用LED發光的(de)(de)原(yuan)理，將LED芯(xin)(xin)(xin)片(pian)直接(jie)粘貼在(zai)電路(lu)板(ban)上(shang)，通(tong)過(guo)(guo)電路(lu)板(ban)上(shang)的(de)(de)導(dao)線連接(jie)控制器，控制器通(tong)過(guo)(guo)控制電路(lu)板(ban)上(shang)的(de)(de)LED芯(xin)(xin)(xin)片(pian)的(de)(de)亮(liang)滅和亮(liang)度變化，實現圖像、文字(zi)等信息(xi)的(de)(de)顯(xian)示(shi)。COB顯(xian)示(shi)屏的(de)(de)LED芯(xin)(xin)(xin)片(pian)是由多個半導(dao)體材(cai)(cai)料(liao)組(zu)成(cheng)，當(dang)電流(liu)通(tong)過(guo)(guo)芯(xin)(xin)(xin)片(pian)時，半導(dao)體材(cai)(cai)料(liao)中(zhong)的(de)(de)電子和空穴相(xiang)遇，產生(sheng)能量(liang)釋放，釋放出的(de)(de)能量(liang)以光的(de)(de)形式發射(she)出來，從而(er)形成(cheng)了亮(liang)度不同的(de)(de)LED點(dian)陣，通(tong)過(guo)(guo)控制器的(de)(de)控制，可以組(zu)成(cheng)各(ge)種圖像和文字(zi)等信息(xi)。COB顯(xian)示(shi)屏的(de)(de)亮(liang)度和色彩飽和度高，色彩還原(yuan)度好，同時具有低功耗、長壽命等優點(dian)，適用于各(ge)種室內和室外顯(xian)示(shi)場合。機場監(jian)控COB顯(xian)示(shi)屏本地(di)化服務

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