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高密度小间距LED屏的工艺
更新日期: 2014-05-26

随着市场的需求及LED显示技术的快速进步,LED显示屏的点间距越来越小,现在市场已经推出P1.4、P1.2的小间距LED显示屏,并且开始应用在指挥控制和视频监控领域。

  ZAISHINEIJIANKONGDAPINGSHICHANGSHANGDLPPINJIEHELCDYEJINGPINJIEZHEILIANGZHONGXIANSHIJISHUDEZHANJUZHESHICHANGXIANJI,TAMENSUIRANGEYOUYOUSHI,DANSHIQUEDOUGONGTONGCUNZAIYIGEWENTI,NEIJIUSHIXIANSHIDANYUANZHIJIANDEPINFENG。XIAOJIANJULEDXIANSHIPINGJUYOUXIANTIANYOUSHIKEYISHIXIANWUFENGPINJIE。XIAOJIANJUXIANSHIPINGXIANGSUYUELAIYUEXIAO,FENBIANLVYUELAIYUEGAO,XIANSHIHUAMIANGENGJIAQINGXI、XINI。ZAIXIANSHIBIAOZHUNDEGAOQINGTUXIANGSHI,KEYIWANQUANDADAOFENBIANLVDEYAOQIU。RUGUOGAOMIDUDENGGUANJIAGEYUELAIYUEDI,SHIBIGAOMIDULEDXIANSHIPINGJIANGZAISHINEISHIPINJIANKONGLINGYUZHANYOUGENGDASHICHANG。

  小间距LED显示屏具备高清显示、高刷新频率、无缝拼接、良好的散热系统、拆装方便灵活等特点。伴随像素间距越来越小,对LED的贴装、组装、拼接工艺及结构提出越来越高要求。本文就工艺问题进行一些探讨。

  1、LEDXUANZE:P2YISHANGMIDUDEXIANSHIPINGYIBANCAIYONG1515、2020、3528DEDENG,LEDGUANJIAOWAIXINGCAIYONGJHUOZHELFENGZHUANGFANGSHI。CEXIANGHANJIEGUANJIAO,HANJIEQUHUIYOUFANGUANG,MOSEXIAOGUOCHA,SHIBIXUYAOZENGJIAMIANZHAOYITIGAODUIBIDU。MIDUJINYIBUTIGAO,LHUOZHEJDEFENGZHUANGBUNENGMANZUZUIXIAODIANXINGNENGJIANJUXUQIU,BIXUCAIYONGQFNFENGZHUANGFANGSHI。GUOXINGDE1010HEJINGTAIDE0505JUNCAIYONGCIZHONGFENGZHUANG。

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  2、YINSHUADIANLUBANGONGYIXUANZE:BANSUIGAOMIDUQUSHI,4CENG、6CENGBANBEICAIYONG,YINZHIDIANLUBANJIANGCAIYONGWEIXIGUOKONGHEMAIKONGSHEJI,YINZHIDIANLUTUXINGDAOXIANXI、WEIKONGHUAZHAIJIANJUHUA,JIAGONGZHONGSUOCAIYONGDEJIXIEFANGSHIZUANKONGGONGYIJISHUYIBUNENGMANZUYAOQIU。XUNSUFAZHANQILAIDEJIGUANGZUANKONGJISHUJIANGMANZUWEIXIKONGJIAGONG。

  3、YINSHUAJISHU:GUODUO、GUOSHAODEXIGAOLIANGJIYINSHUADEPIANYILIANGZHIJIEYINGXIANGGAOMIDUXIANSHIPINGDENGGUANDEHANJIEZHILIANG。ZHENGQUEDEPCBHANPANSHEJIXUYAOYUCHANGJIAGOUTONGHOULUOSHIDAOSHEJIZHONG,WANGBANDEKAIKOUDAXIAOHEYINSHUACANSHUZHENGQUEYUFOUZHIJIEGUANXIDAOYINSHUADEXIGAOLIANG。YIBAN2020RGBQIJIANCAIYONG0.1-0.12mmHOUDUDEDIANPAOGUANGJIGUANGGANGWANG,1010RGBYIXIAQIJIANJIANYICAIYONG1.0-0.8HOUDUDEGANGWANG。HOUDU、KAIKOUDAXIAOYUXILIANGCHENGBILIDIZENG。GAOMIDULEDHANJIEZHILIANGYUXIGAOYINSHUAXIXIXIANGGUAN,DAIHOUDUJIANCE、SPCFENXIDENGGONGNENGYINSHUAJIDESHIYONGJIANGDUIKEKAOXINGQIDAOZHONGYAODEYIYI。

  4、TIEZHUANGJISHU:GAOMIDUXIANSHIPINGGERGBQIJIANWEIZHIDEXIWEIPIANYIJIANGHUIDAOZHIPINGTIXIANSHIBUJUNYUN,SHIBIYAOQIUTIEZHUANGSHEBEIJUYOUGENGGAOJINGDU,SONGXIANPMSHEBEITIEZHUANGJINGDU(QFN±0.03mm)JIANGMANZUP1.0YISHANGTIEZHUANGYAOQIU。

  5、HANJIEGONGYI:HUILIUHANJIEWENSHENGGUOKUAIJIANGHUIDAOZHIRUNSHIBUJUNHENG,SHIBIZAOCHENGQIJIANZAIRUNSHISHIHENGGUOCHENGZHONGDAOZHIPIANYI。GUODADEFENGLIXUNHUANYEHUIZAOCHENGQIJIANDEWEIYI。JINLIANGXUANZE12WENQUYISHANGHUILIUHANJIEJI,LIANSU、WENSHENG、XUNHUANFENGLIDENGZUOWEIYANGEGUANKONGXIANGMU,JIYAOMANZUHANJIEKEKAOXINGXUQIU,YOUYAOJIANSHAOHUOZHEBIMIANQIJIANDEYIWEI,JINLIANGKONGZHIDAOXUQIUFANWEINEI。YIBANYIXIANGSUJIANJUDE2%FANWEIZUOWEIGUANKONGZHI。

  6、XIANGTIZHUANGPEI:XIANGTISHIYOUBUTONGMOZUPINJIEERCHENG,XIANGTIDEPINGZHENGDUHEMOZUJIANDEFENGXIZHIJIEGUANXIXIANGTIZHUANGPEIHOUDEZHENGTIXIAOGUO。LVBANJIAGONGXIANG、ZHULVXIANGSHIDANGXIAYINGYONGGUANGFANDEXIANGTILEIXING,PINGZHENGDUKEYIDADAO10SINEI.MOZUJIANPINJIEFENGXIYILIANGGEMOZUZUIJINXIANGSUDEJIANJUJINXINGPINGGU,LIANGXIANGSUTAIJINDIANLIANGHOUSHILIANGXIAN,LIANGXIANGSUTAIYUANHUIDAOZHIANXIAN。PINZHUANGQIANXUYAOJINXINGCELIANGJISUANCHUMOZUPINFENG,RANHOUXUANYONGXIANGDUIHOUDUDEJINSHUPIANZUOWEIZHIJUSHIXIANCHARUJINXINGPINZHUANG。

  7、PINGTIPINZHUANG:ZHUANGPEIWANCHENGDEXIANGTIXUYAOZUZHUANGCHENGPINGTIHOUCAIKEYIXIANSHIJINGXIHUADEHUAMIAN、SHIPIN。DANXIANGTIBENSHENCHICUNGONGCHAJIZUZHUANGLEIJIGONGCHADUIGAOMIDUXIANSHIPINGPINZHUANGXIAOGUODOUBURONGHUSHI。XIANGTIYUXIANGTIZHIJIANZUIJINQIJIANDEXIANGSUJIANJUGUODA、GUOXIAOHUIDAOZHIXIANSHIANXIAN、LIANGXIAN。ANXIAN、LIANGXIANWENTISHIXIANZAIGAOMIDUXIANSHIPINGBURONGHUSHIDE、XUYAOJIDAIGONGKEDENANTI。BUFENMINGCAITONGGUOTIE3mJIAODAI、XIANGTIXIWEIDIAOZHENGLUOMUJINXINGDIAOZHENG,YIDADAOZUIJIAXIAOGUO。

  8、XITONGKAXUANZE:GAOMIDUXIANSHIPINGMINGANXIANJIJUNYUNXING、SECHASHILEDQIJIANCHAYI、ICDIANLIUCHAYI、DIANLUSHEJIBUJUCHAYI、ZHUANGPEICHAYIDENGDEJILEIGOUBING,YIXIEXITONGKAMINGCAITONGGUORUANJIANDEJIAOZHENGKEYIJIANSHAOMINGANXIANJILIANGDU、SEDUBUJUN。NUOWATUICHULIANGDU、SEDUJIAOZHENGXITONGYIJINGYINGYONGDAOGEGAOMIDUXIANSHIPING,BINGQUDELEJIAOHAODEXIANSHIXIAOGUO。

  GAOMIDUXIANSHIPINGJUBEIJINGXIHUAXIANSHIXIAOGUO,BIXUCONGCAILIAOXUANZE、DIANLUSHEJI、WENSHENGKONGZHI、GONGYIDENGGEGEHUANJIEZHESHOU。XIANGXINGAOMIDUXIANSHIPINGSUIZHEJISHUDEJINBU、JIAGEDEMINZHONGHUA,JIANGHUIQUDEGENGDA、GENGGUANGDESHICHANGZHANYOULV。

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