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class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972981724623/3716338.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jhtax8x" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>拉薩信息發(fā)布大屏批發(fā),大屏</p><p><span>***更新：</span>2021-01-30 06:19:38</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="unpryfw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">四川從輝科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>3008191786@qq.com</p><p><span>電話: </span>15828411403</p><p><span>傳真: </span>028_</p><p><span>網(wǎng)址: </span>http://www.scchled.com</p><p><span>手機(jī): </span>028-83528456</p><p><span>地址: </span>四川省成都市成華區(qū)崔家店路576號(hào)1棟6層20號(hào)</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="usur7ab" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w8dkr8t" class="box"><p><p> 9.室內(nèi)小間距：低亮高灰 </p> <p> 低亮高灰，具體解釋為：小間距LED大屏的亮度范圍在100 cd/O—300 cd/O區(qū)間時(shí)，顯示畫面的灰度不損失，或者灰度損失的程度在人眼難以覺察的范圍內(nèi)。 </p> <p> 低亮高灰將是區(qū)分小間距LED大屏產(chǎn)品品質(zhì)高下的關(guān)鍵因素之一。對(duì)小間距產(chǎn)品而言，LED大屏的較量將不再是比較誰家亮度高，而是比較誰家亮度低。比的是誰家的LED大屏可以做到降低亮度的同時(shí)不損失灰度與畫質(zhì)。也就是說，只有做到了低亮高灰的小間距LED大屏才是符合用戶要求的、具備競爭實(shí)力的好產(chǎn)品。 </p> <p> 人眼在室內(nèi)暗環(huán)境下面，近距離、長時(shí)間注視高亮度的小間距LED大屏，LED特有的高亮度常常會(huì)使人感到刺眼，甚至造成眼睛酸痛、流淚和視力降低。因此，LED大屏亮度過高，會(huì)給室內(nèi)應(yīng)用的用戶帶來視覺疲勞，甚至嚴(yán)重的可能造成無法彌補(bǔ)的人眼損傷!可以說小間距LED大屏亮度不是越高越好，必須把它的亮度降下來。大量的測(cè)試表明LED大屏的亮度范圍控制在100 cd/O—300 cd/O這個(gè)亮度區(qū)間，人眼的感覺是比較舒適的。 </p> <p> 但不是直接調(diào)整顯示屏的亮度就可以解決這個(gè)問題，拉薩信息發(fā)布大屏批發(fā)。因?yàn)?，常?guī)的LED大屏具有低亮低灰的特性，也就是說LED大屏亮度降低的同時(shí)將會(huì)伴隨著畫面灰度的損失，拉薩信息發(fā)布大屏批發(fā)，拉薩信息發(fā)布大屏批發(fā)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> LED大屏市場增長空間來自傳媒廣告、展覽館、景區(qū)、監(jiān)控市場，道路交通等多功能LED大屏市場。拉薩信息發(fā)布大屏批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拉薩信息發(fā)布大屏批發(fā),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972981724623/3716338.png"></div><p> 3.安全大地接觸可靠，地線與零線隔離可靠，接入電源遠(yuǎn)離大功率用備; </p> <p> 4.如發(fā)現(xiàn)短路、跳閘、燒線、冒煙等異常顯現(xiàn)時(shí)，不應(yīng)反復(fù)通電測(cè)試，應(yīng)及時(shí)查找問題; </p> <p> 5.保持供電電源穩(wěn)定，并做好接地保護(hù)避免雷擊，在惡劣的自然條件特別是強(qiáng)雷電天氣下不要使用; </p> <p> 6.必須分步給大屏幕供電電源供電，因?yàn)檎?功率狀態(tài)會(huì)對(duì)整個(gè)配電系統(tǒng)的產(chǎn)生沖擊; </p> <p> 7.LED大屏不允許播放*亮度的全白色畫面超過半個(gè)小時(shí)，以免造成電流過大，電源線發(fā)熱，LED燈損壞，影響LED大屏使用壽命，建議播放動(dòng)態(tài)視頻為主; </p> <p> 8.LED大屏產(chǎn)品在使用過程中，不可連續(xù)開、關(guān)電源，兩者操作間應(yīng)相隔至少1分鐘; </p> <p> 9.LED大屏大屏幕內(nèi)部線路，非專業(yè)人士禁止觸碰，以免觸電，或者造成線路損壞。 </p> <p> <br /> 拉薩信息發(fā)布大屏批發(fā)常規(guī)的LED大屏具有低亮低灰的特性，也就是說LED大屏亮度降低的同時(shí)將會(huì)伴隨著畫面灰度的損失。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拉薩信息發(fā)布大屏批發(fā),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432974379473890/927025.png"></div><p> 一、局部“死燈”問題 </p> <p> 局部“死燈”是指LED大屏的燈面上有一顆或者幾顆燈不亮，這種不亮區(qū)分為全時(shí)不亮和部分顏色不亮，一般這種情況是燈本身出現(xiàn)了問題，要么是受潮，要么是RGB芯片損壞，我們維修的方法很簡單，就是用工廠配的LED燈珠備品換上即可，那么使用的工具就是鑷子，換上備品LED燈珠以后，用測(cè)試卡重新測(cè)試一遍，沒有問題就是已經(jīng)修好了。 </p> <p> 二、“毛毛蟲”問題 </p> <p> “毛毛蟲”只是一個(gè)比喻的說法，系指LED大屏在通電條件下而沒有輸入源的時(shí)候，部分燈面出現(xiàn)一長條的暗亮條的現(xiàn)象，且以紅色居多。出現(xiàn)這種現(xiàn)象的根本原因是燈內(nèi)部芯片漏電，或者背后的IC面行管線路短路，前者為大多數(shù)。一般出現(xiàn)這種情況，我們只需要拿著熱風(fēng)機(jī)沿著漏電的這一條變色“毛毛蟲”吹熱風(fēng)，當(dāng)吹到有問題的那顆燈，一般就OK了，因?yàn)槭軣崾沟脙?nèi)部漏電的芯片連接澎開了，但是仍然存在隱患，我們只需要找到漏電的那顆LED燈珠，按照上面講到的方法，把這顆隱患燈珠換掉就OK。如果是背后IC面的行管線路短路，就需要使用萬用表具體測(cè)量一下相關(guān)的IC針腳電路，換一顆新的IC即可。 </p><p> 大型戶外LED大屏常見于，辦公樓體外墻、城市廣場空曠地段和樓頂?shù)?。由于顯示面積較大、安裝位置較特殊、安裝難度較大。因此在安裝的時(shí)候不僅需要專業(yè)的安裝團(tuán)隊(duì)和專業(yè)的輔助安裝設(shè)備，還需要根據(jù)具**置環(huán)境，設(shè)計(jì)出合理的施工方案，才可以展開工程施工，進(jìn)行安裝戶外LED大屏。 </p> <p> 戶外LED大屏安裝有實(shí)地勘察、設(shè)備搭建、安裝、調(diào)試使用四個(gè)環(huán)節(jié)。 </p> <p> 戶外LED大屏安裝前，應(yīng)該針對(duì)安裝環(huán)境、光輻射范圍、亮度接受能力等參數(shù)進(jìn)行統(tǒng)一的測(cè)試。保證可以正常、穩(wěn)定的使用該設(shè)備。 </p> <p> 搭建時(shí)，要求起吊安裝前，必須針對(duì)指揮人員進(jìn)行統(tǒng)一的吊裝方案實(shí)施，要區(qū)分對(duì)待墻體廣告屏、懸掛型廣告屏與樓頂型廣告屏。實(shí)際安裝時(shí)，都應(yīng)根據(jù)距離高度，用吊車與卷揚(yáng)機(jī)進(jìn)行分段吊裝，同時(shí)保證上面的人員相互配合，針對(duì)高空作業(yè)的LED大屏，有一個(gè)順利的安裝使用過程。 LED大屏技術(shù)的不斷升級(jí)，讓許多制作團(tuán)隊(duì)對(duì)屏幕“高清”的特點(diǎn)愛不釋手，創(chuàng)作中容易有“因小失大”的誤區(qū)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="拉薩信息發(fā)布大屏批發(fā),大屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/scchkj123/637432972999869332/5304525.png"></div><p> LED大屏跟傳統(tǒng)的電子產(chǎn)品一樣，在使用過程中不僅需要注意方法，還需對(duì)顯示屏進(jìn)行保養(yǎng)維護(hù)，才能使LED大屏壽命更久。這里常彩電子就為大家來分析下保養(yǎng)LED全彩大屏幕的幾種方法。 </p> <p> 1、保持全彩LED大屏使用環(huán)境的濕度，不要讓任何具有濕氣性質(zhì)的東西進(jìn)入全彩LED大屏。對(duì)含有濕度的全彩LED大屏加電，會(huì)導(dǎo)致全彩LED大屏零部件腐蝕，進(jìn)而造成長久性損壞。 </p> <p> 2、要避免可能碰到的問題，我們可以選擇被動(dòng)防護(hù)與主動(dòng)防護(hù)，盡量把可能對(duì)全彩LED大屏造成傷害的物品遠(yuǎn)離屏幕，而清潔屏幕的時(shí)候也盡可能輕輕地擦拭，把傷害的可能性降到很<span style="display:none;"></span>小。 </p> <p> 3、LED全彩d<span style="display:none;"></span>與我們用戶的關(guān)系<span style="display:none;"></span>為密切，做好清潔維護(hù)工作也是非常有必要的。長時(shí)間暴露在戶外環(huán)境風(fēng)吹、日曬、灰塵等易顯臟，一段時(shí)間下來，屏幕上肯定是灰塵一片，這需要及時(shí)清洗以防塵土長時(shí)間包裹表面影響觀看效果。 </p> <p> 4、要求供電電源穩(wěn)定，并接地保護(hù)良好，在惡劣的自然條件特別是強(qiáng)雷電天氣下不要使用。 </p> <p> <br /> 戶外LED大屏的高速發(fā)展，憑借著他們真實(shí)的視覺體驗(yàn)，使得LED大屏成為了戶外廣告載體不可或缺的一員。長沙室內(nèi)大屏安裝</p><p style="text-indent:25px">隨著中國LED大屏發(fā)展產(chǎn)業(yè)不斷增加，在各大城市街頭巷尾的LED大屏慢慢多起來了，人們消費(fèi)水平也日益增長。拉薩信息發(fā)布大屏批發(fā)</p><p> 三、白場色坐標(biāo)的調(diào)配：白場色坐標(biāo)調(diào)配是全彩LED大屏基本的技術(shù)之一。但是在二十世紀(jì)90年代中期，由于缺乏行業(yè)標(biāo)準(zhǔn)和基本的測(cè)試手段，通常只是靠人眼、憑感覺確定白場色坐標(biāo)，從而造成嚴(yán)重偏色和白場色溫的隨意性。隨著行業(yè)標(biāo)準(zhǔn)的頒布和測(cè)試手段的完備，許多制造商開始規(guī)范全彩屏配色工藝。但是仍然有部分制造商由于缺乏配色的理論指導(dǎo)，常常以某些基色的灰度等級(jí)來調(diào)配百場色坐標(biāo)，綜合性能得不到提高。 </p> <p> 四、顏色的調(diào)整：高清LED大屏是按照光的三基色原理顯示的。確定紅、綠、藍(lán)其中一種顏色為基準(zhǔn)主要是根據(jù)選擇的產(chǎn)品紅、綠、藍(lán)顏色的亮度不同而定的，一般情況下作為亮度基準(zhǔn)是亮度比例低的一種，當(dāng)基準(zhǔn)的一種已經(jīng)達(dá)到比較大亮度時(shí)，對(duì)于雙色LED大屏而言就需要調(diào)整另外一種顏色，對(duì)于全彩LED大屏而言就要調(diào)整另外兩種LED等的顏色。 </p> <p> <br /> </p> <p> <br /> 拉薩信息發(fā)布大屏批發(fā)</p><p style="text-indent:25px">四川從輝科技有限公司致力于傳媒、廣電，是一家服務(wù)型的公司。四川從輝科技致力于為客戶提供良好的LED顯示屏，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事傳媒、廣電多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。四川從輝科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: 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