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href="http://www.cdcfah.com/cp/third-xsqj_leddzxsp/">led電子顯示屏</a>?北京薩馳中控監(jiān)視大屏歡迎咨詢薩馳電氣供應(yīng)</p><div id="pr3tzfc" class="leftbox clearfix"><h1>北京薩馳中控監(jiān)視大屏歡迎咨詢薩馳電氣供應(yīng)</h1><div id="h8e3csq" class="proBig"><div id="mvutua4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxscdq/637297302889394531/5646120.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="geoycbt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxscdq/637297302889394531/5646120.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="km8nsi9" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京薩馳中控監(jiān)視大屏,中控監(jiān)視大屏</p><p><span>***更新：</span>2021-01-31 03:07:05</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="w7wpk2n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">薩馳電氣（無(wú)錫）有限公司</a></p><p><span>聯(lián)系人：</span>曹先生</p><p><span>郵箱: </span>2938252038@qq.com</p><p><span>電話: </span>13914167282</p><p><span>傳真: </span>0510_85800399</p><p><span>網(wǎng)址: </span>http://www.sarchee.com</p><p><span>手機(jī): </span>0510-85800399</p><p><span>地址: </span>滴翠路100號(hào)9號(hào)樓5樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3calrgo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3xncsd4" class="box"><p><p> 隨著led顯示屏技術(shù)的不斷發(fā)展，led顯示屏產(chǎn)品種類越來(lái)越豐富，其應(yīng)用場(chǎng)景也越來(lái)越***，由于室內(nèi)室外運(yùn)用所受到的氣溫差異不同，對(duì)于其保養(yǎng)防護(hù)工作也不同。戶外led顯示屏安裝應(yīng)做好防護(hù)、維護(hù)措施，以防止戶外環(huán)境對(duì)led顯示屏正常使用造成影響。 </p> <p> 潮濕與高溫的天氣讓LED屏防潮與散熱這對(duì)天然的矛盾體正面交鋒。如何在多雨的天氣之中做好防潮工作，同時(shí)在高溫的環(huán)境中保持散熱良好，成為了戶外LED屏面臨的棘手問(wèn)題。 </p> <p> 防潮與散熱，一對(duì)天然的矛盾體 </p> <p> LED顯示屏內(nèi)部器件屬于MSD元器件(濕度敏感器件)，一旦有濕氣進(jìn)入可能會(huì)造成燈珠、PCB板、電源、電源線等零器件氧化腐蝕，進(jìn)而產(chǎn)生死燈故障。因此LED屏的模組、內(nèi)部結(jié)構(gòu)和外部機(jī)箱都需要做周全嚴(yán)密的防潮、防水設(shè)計(jì)。 </p> <p> 同時(shí)LED屏內(nèi)部器件也是發(fā)熱較多的電子部件，如LED燈珠、驅(qū)動(dòng)IC、開關(guān)電源等。不良的散熱設(shè)計(jì)會(huì)使屏體材料發(fā)生氧化，北京薩馳中控監(jiān)視大屏，影響品質(zhì)和壽命。如果熱量集聚而散不出去，北京薩馳中控監(jiān)視大屏，會(huì)導(dǎo)致LED內(nèi)部器件過(guò)熱而至損壞，北京薩馳中控監(jiān)視大屏，引發(fā)故障。因此，良好的散熱要求通透、對(duì)流的結(jié)構(gòu)，這便與防潮的要求相互矛盾。 </p> <p> <br /> 蘇州地區(qū)中控大屏供應(yīng)商——薩馳電氣（無(wú)錫）有限公司。北京薩馳中控監(jiān)視大屏</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京薩馳中控監(jiān)視大屏,中控監(jiān)視大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxscdq/637297302889394531/5646120.jpg"></div><p> 雖然led顯示屏閃爍不是大問(wèn)題，但卻是一個(gè)頭疼的問(wèn)題，不僅影響播放畫面的質(zhì)量，而且還影響用戶的心情，那么led顯示屏閃爍原因是怎么回事呢?又有什么好的解決方法呢? </p> <p> led顯示屏閃爍原因 </p> <p> 1.驅(qū)動(dòng)加載程序不對(duì)。 </p> <p> 2. 電腦和屏之間的網(wǎng)線太長(zhǎng)或者網(wǎng)線故障。 </p> <p> 3. 發(fā)送卡壞了。 </p> <p> 4. 控制卡壞，查看一下控制卡上的小燈亮不亮，要是不亮就壞了。 </p> <p> 5. 電源與控制卡之間的連接線是否短路。 </p> <p> 6. 電源的輸出電壓電流不穩(wěn)定，帶控制卡的電源不要帶太多的板子。 </p> <p> led顯示屏閃爍對(duì)應(yīng)解決方法 </p> <p> 如果是整屏花點(diǎn)、圖影扭動(dòng)，一般是驅(qū)動(dòng)加載程序不對(duì)，重新檢查驅(qū)動(dòng)加載程序，實(shí)在不行卸載重裝，還有一種可能是發(fā)送卡壞了，這時(shí)候就需要更換發(fā)送卡了。 </p> <p> 如果是不規(guī)則的閃爍，一般是系統(tǒng)頻率問(wèn)題。更換系統(tǒng)，或者調(diào)節(jié)設(shè)置參數(shù)，基本可以解決! 如果是星星點(diǎn)點(diǎn)的閃爍狀態(tài)，有可能是顯卡驅(qū)動(dòng)問(wèn)題，也有可能是發(fā)送卡分辨率設(shè)置問(wèn)題。另一種可能，是供電問(wèn)題(電源供電不足，信息雜波，電磁干擾)，設(shè)計(jì)PCB時(shí)要多考慮電源和信號(hào)走線的線徑，以及PCB生產(chǎn)工藝。模組上多加幾個(gè)電容也有一些改善。 </p> <p> <br /> 北京薩馳中控監(jiān)視大屏江蘇地區(qū)口碑好中控監(jiān)視大屏服務(wù)——薩馳電氣（無(wú)錫）有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京薩馳中控監(jiān)視大屏,中控監(jiān)視大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxscdq/637297302887275391/3907306.jpg"></div><p> "智慧"社會(huì) </p> <p> <br /> </p> <p> (1)智慧城市。智慧型城市的建設(shè)領(lǐng)域中，公共安全、交通、民生等等都與led顯示屏的運(yùn)用息息相關(guān)，這也將促進(jìn)其高速的發(fā)展和普及市場(chǎng)。 </p> <p> <br /> </p> <p> (2)視頻會(huì)議。視頻會(huì)議系統(tǒng)顯示終端青睞小間距l(xiāng)ed顯示屏，不僅是實(shí)際應(yīng)用需求的使然，也是企業(yè)通過(guò)硬件設(shè)施完善提升形象。 </p> <p> <br /> </p> <p> (3)智慧工廠。在制造業(yè)的工廠網(wǎng)絡(luò)中，LED小間距顯示屏技術(shù)可以從流水線、車間，一直部署到總部系統(tǒng)。同時(shí)現(xiàn)代LED小間距顯示屏技術(shù)可以提供3D化的虛擬流水線展示和互動(dòng)操控。所以，智慧工廠將成為L(zhǎng)ED小間距顯示屏企業(yè)努力開拓的一個(gè)新領(lǐng)域。 </p> <p> 由此可見，led顯示屏設(shè)備已經(jīng)迎來(lái)一個(gè)新的市場(chǎng)燥熱期，整個(gè)行業(yè)市場(chǎng)也將變得更繁榮。 </p> <p> <br /> </p><p> 溫度升高會(huì)降低led顯示屏的發(fā)光效率 </p> <p> 溫度影響led顯示屏光效的原因包括以下幾個(gè)方面： </p> <p> （1）溫度升高，電子與空穴的濃度會(huì)增加，禁帶寬度會(huì)減小，電子遷移率將減小。 </p> <p> （2）溫度升高，勢(shì)阱中電子與空穴的輻射復(fù)合幾率降低，造成非輻射復(fù)合（產(chǎn)生熱量），從而降低led顯示屏的內(nèi)量子效率。 </p> <p> （3）溫度升高導(dǎo)致芯片的藍(lán)光波峰向長(zhǎng)波方向偏移，使芯片的發(fā)射波長(zhǎng)和熒光粉的激發(fā)波長(zhǎng)不匹配，也會(huì)造成白光led顯示屏外部光提取效率的降低。 </p> <p> （4）隨著溫度上升，熒光粉量子效率降低，出光減少，led顯示屏的外部光提取效率降低。 </p> <p> （5）硅膠性能受環(huán)境溫度影響較大。隨著溫度升高，硅膠內(nèi)部的熱應(yīng)力加大，導(dǎo)致硅膠的折射率降低，從而影響led顯示屏光效。 </p> <p> <br /> 蘇州中控大屏廠家——薩馳電氣（無(wú)錫）有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京薩馳中控監(jiān)視大屏,中控監(jiān)視大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxscdq/637297302889560547/1423347.jpg"></div><p> 目前有兩種串行傳送顯示控制信號(hào)的方式： </p> <p> 1.一種是掃描板上集中控制各象素點(diǎn)灰度，掃描板將來(lái)自控制箱的各行象素的灰度值進(jìn)行分解(即脈寬調(diào)制)，然后將各行LED的開通信號(hào)以脈沖形式(點(diǎn)亮為1，不亮為0)按行用串行方式傳輸?shù)较鄳?yīng)的LED上，控制其是否點(diǎn)亮。這種方式使用器件較少，但串行傳輸?shù)臄?shù)據(jù)量較大，因?yàn)樵谝粋€(gè)重復(fù)點(diǎn)亮的周期內(nèi)，每個(gè)象素在16級(jí)灰度下需要16個(gè)脈沖，在256級(jí)灰度下需要256個(gè)脈沖，由于器件工作頻率限制，一般只能使LED屏做到16級(jí)灰度。 </p> <p> 2.一種是脈沖寬度調(diào)制。掃描板串行傳輸?shù)膬?nèi)容不是每個(gè)LED的開關(guān)信號(hào)而是一個(gè)8位二進(jìn)制的灰度值。每個(gè)LED都有一個(gè)自己的脈寬調(diào)制器來(lái)控制點(diǎn)亮?xí)r間。這樣，在一個(gè)重復(fù)點(diǎn)亮的周期內(nèi)，每個(gè)象素點(diǎn)在16級(jí)灰度下只需要4個(gè)脈沖，256級(jí)灰度下只需8個(gè)脈沖，**降低了串行傳輸頻率。用這種分散控制LED灰度的方法可以很方便地實(shí)現(xiàn)256級(jí)灰度控制。 </p> <p> <br /> 蘇州定制中控監(jiān)視大屏——薩馳電氣（無(wú)錫）有限公司。北京薩馳中控監(jiān)視大屏</p><p style="text-indent:25px">江蘇銷售中控大屏——薩馳電氣（無(wú)錫）有限公司。北京薩馳中控監(jiān)視大屏</p><p> 溫度對(duì)led顯示屏發(fā)光波長(zhǎng)（光色）的影響 </p> <p> led顯示屏的發(fā)光波長(zhǎng)一般可分成峰值波長(zhǎng)與主波長(zhǎng)。峰值波長(zhǎng)即光強(qiáng)比較大的波長(zhǎng)，而主波長(zhǎng)可由X、Y色度坐標(biāo)決定，反映了人眼所感知的顏色。顯然，結(jié)溫所引致的led顯示屏發(fā)光波長(zhǎng)的變化將直接造成人眼對(duì)led顯示屏發(fā)光顏色的不同感受。對(duì)于一個(gè)led顯示屏器件，發(fā)光區(qū)材料的禁帶寬度值直接決定了器件發(fā)光的波長(zhǎng)或顏色。溫度升高，材料的禁帶寬度將減小，導(dǎo)致器件發(fā)光波長(zhǎng)變長(zhǎng)，顏色發(fā)生紅移。 </p> <p> 溫度過(guò)高會(huì)影響限制led顯示屏的比較大注入電流。 </p> <p> 溫度升高，電子與空穴的濃度會(huì)增加，禁帶寬度會(huì)減小，電子遷移率減小，led顯示屏的比較大注入電流就會(huì)受到限制。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 北京薩馳中控監(jiān)視大屏</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3087326.html</p></div></div></div></div></div><div id="w9xddck" class="page-right twoColRt"><div id="82oouvi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dy8faxm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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