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class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_zmgy/">照明工業(yè)</a>?<a href="http://www.cdcfah.com/cp/second-zmgy_zmytdj/">專門用途燈具</a>?<a href="http://www.cdcfah.com/cp/third-zmytdj_leddengju/">LED燈具</a>?山東戶外LED面板燈歡迎來電上海先盛照明電器供應(yīng)</p><div id="m43eurz" class="leftbox clearfix"><h1>山東戶外LED面板燈歡迎來電上海先盛照明電器供應(yīng)</h1><div id="3kh9wo8" class="proBig"><div id="fg27zmj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402595981588241/3608375.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k7zoyv2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402595981588241/3608375.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x98vxjl" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山東戶外LED面板燈,LED</p><p><span>***更新：</span>2020-11-29 01:07:59</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="fr9f2of" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海先盛照明電器有限公司</a></p><p><span>聯(lián)系人：</span>顧勇軍</p><p><span>郵箱: </span>522366548@qq.com</p><p><span>電話: </span>13301861712</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-54169416</p><p><span>地址: </span>陶干路1199號</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="cthlseq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7x23hj3" class="box"><p><p style="text-indent:25px">由于開關(guān)工作頻率剛好大于諧振頻率，所以可以降低無功功率和提高電路工作效率。由于開關(guān)工作頻率固定，所以可以比較方便地確定燈負(fù)載匹配電路中無源器件的參數(shù)?？稍谳^寬的燈功率范圍內(nèi)（5%~100%）保持ZVS工作條件。在很低的半橋逆變器供電電壓下，山東戶外LED面板燈，電子鎮(zhèn)流器電路將會失去較開關(guān)特性，會出現(xiàn)鎮(zhèn)流電感電流不連續(xù)的工作狀態(tài)。然而在直流供電電壓很低的情況下，這種工作狀態(tài)不再是個問題，山東戶外LED面板燈，這時功率開關(guān)管的電應(yīng)力和損耗都將很小，山東戶外LED面板燈，即使工作在硬開關(guān)，在低直流供電電壓情況下（如20V）也不會產(chǎn)生太多的EMI輻射。<span style="display:none;"><span style="display:none;"></span></span>上海先盛照明電器有限公司致力于提供LED，有想法的可以來電咨詢！山東戶外LED面板燈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東戶外LED面板燈,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402595981588241/3608375.png"></div><p>我們可以在噴頭下方用一個盆接住噴頭噴出的水。而這個盆有固定的面積，它可以接到多少水，就著這個位置所得到的照度。光強(qiáng)：光強(qiáng)是發(fā)光強(qiáng)度的簡稱。表示光源在單位立體角內(nèi)光通量的多少。發(fā)光強(qiáng)度是指光源在指定方向上的單位立體角內(nèi)發(fā)出的光通量，也就是說光源向空間某一方向輻射的光通密度。符號用I表示，國際單位是candela（坎德拉）簡寫cd。光強(qiáng)了光源在不同方向上的輻射能力。通俗的說發(fā)光強(qiáng)度就是光源所發(fā)出的光的強(qiáng)弱程度。亮度：亮度是指發(fā)光體（反光體）表面發(fā)光（反光）強(qiáng)弱的物理量。人眼從一個方向觀察光源，在這個方向上的光強(qiáng)與人眼所“見到”的光源面積之比，定義為該光源單位的亮度，即單位投影面積上的發(fā)光強(qiáng)度。亮度用符號L表示，亮度的單位是坎德拉/平方米（cd/m2）。光源的明亮程度與發(fā)光體表面積有關(guān)系，同樣的光強(qiáng)的情況下，發(fā)光面積大，則暗，反之則亮。亮度與發(fā)光面的方向也有關(guān)系，同一發(fā)光面在不同的方向上其亮度值也是不同的，通常是按垂直于視線的方向進(jìn)行計量的。相關(guān)閱讀光通量是啥意思？廣東大功率LED黃光燈管上海先盛照明電器有限公司為您提供LED，歡迎新老客戶來電！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東戶外LED面板燈,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402595791627408/1170035.png"></div><p>LED產(chǎn)業(yè)鏈大致可以分為五個部分：一是原材料；二是LED上游產(chǎn)業(yè)；（主要包括外延材料和芯片制造）三是LED中游產(chǎn)業(yè)；（主要包括各種LED器件和封裝）四是LED下游產(chǎn)業(yè)；（主要包括各種LED應(yīng)用產(chǎn)品的產(chǎn)業(yè)）五是測試儀器和生產(chǎn)設(shè)備。一、原材料方面：LED發(fā)光材料和器件的原材料包括襯底材料砷化鎵單晶、氮化鋁單晶等。他們大部分是Ⅲ-Ⅴ族化合物半導(dǎo)體單晶，生產(chǎn)工藝比較成熟，已有開啟即用的拋光性供貨。其他原材料還有金屬高純鎵、高純金屬有機(jī)物源，如三甲基鎵、三乙基鎵、s三甲基鋁、高純氣體氨、氮?dú)涞取Ｔ牧系募兌纫话愣家?N（即）以上，封裝材料有環(huán)氧樹脂、ABS、PC、PPD等。二、上游產(chǎn)業(yè)：以LED芯片為主，白光、紫光、紅光等。三、中游產(chǎn)業(yè)：以LED燈珠光源等封裝制造為主，貼片LED、插件LED、各種大小功率LED光源，如2835、5730、4014、3528、3030、5050等。四、下游產(chǎn)業(yè)：以各類LED燈具為主，室內(nèi)燈具如吸頂燈、筒燈、T5T8燈管、面板燈等；戶外燈具如LED路燈、埋地?zé)舻?。五、測試儀器和生產(chǎn)設(shè)備方面：外延材料的測試儀器主要有X射線雙晶衍射儀、熒光譜儀、盧瑟福背散射溝道譜儀等。芯片、器件的測試儀器主要有LED光電特性測試儀、光譜分析儀等。</p><p> 環(huán)保LED軟燈條組成資料不論是LED仍是FPC，其質(zhì)料都是選用的環(huán)保質(zhì)料，歸于可回收運(yùn)用型，不會因為許多運(yùn)用而構(gòu)成對環(huán)境的污染和損壞。6.安全LED軟燈條選用的是低壓直流12V供電電壓，因此運(yùn)用上十分安全。不論白叟、小孩都可以安全運(yùn)用而不會引起安全隱患。7.簡易設(shè)備LED軟燈條設(shè)備十分簡潔，配用固定夾、線槽、鐵線、鐵網(wǎng)等即可設(shè)備在多種支承面上。其他，因為LED軟燈條輕、薄，因此，選用雙面膠也可以結(jié)束固定的功用。無需專業(yè)人員即可設(shè)備，可以真實(shí)享受DIY的裝飾愛好。8.壽數(shù)長LED軟燈條的正常運(yùn)用壽數(shù)是8~10萬小時，每天24小時不斷的作業(yè)，其壽數(shù)都差不多近10年。因此，LED軟燈條的壽數(shù)是傳統(tǒng)燈具的好幾倍。9.使用范圍LED軟燈條因為柔軟、輕浮、色彩樸實(shí)等特征，被使用于樓體概括，臺階，展臺，橋梁，酒店，KTV裝飾照明，以及廣告招牌的制造、各種大型動畫、字畫的廣告設(shè)計等場所。跟著LED軟燈條技能的逐步老練，其使用范圍將愈加。上海先盛照明電器有限公司為您提供LED，有想法的不要錯過哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東戶外LED面板燈,LED" src="https://tyunfile.71360.com/WaterMark/UploadFile/shxiansheng/637402595740894904/3055330.png"></div><p> 其實(shí)實(shí)際上并不是。根據(jù)晶片生成的特性，LED燈珠的驅(qū)動電壓是有浮動的，一般除了分色溫之外，還會區(qū)分電壓，特別在恒壓燈珠板應(yīng)用上，電壓區(qū)分很有必要。紅光的電壓一般比較低，大概在；白光和暖白光，一般電壓在,,。同樣的流明等級，電壓越低，光效越高，燈珠等級越好。藍(lán)光和紫外線燈珠比較高，一般在；CRI顯色指數(shù)光源對物體的顯色能力稱為顯色性，是通過與同色溫的參考或基準(zhǔn)光源（白熾燈或太陽光）下物體外觀顏色的比較。忠實(shí)顯色：能正確表現(xiàn)物質(zhì)本來的顏色需使用顯色指數(shù)(Ra)高的光源，其數(shù)值接近100，顯色性好。效果顯色：要鮮明地強(qiáng)調(diào)特定色彩，表現(xiàn)美的生活可以利用加色的方法來加強(qiáng)顯色效果。采用低色溫光源照射，能使紅色更加鮮艷；采用中等色溫光源照射，使藍(lán)色具有清涼感；采用高色溫光源照射，使物體有冷的感覺。等級分?jǐn)?shù)：分?jǐn)?shù)分級等級應(yīng)用90-1001需要色彩精確對比的場所：博物館，商用，展廳80-891優(yōu)良需要色彩正確判斷的場所：辦公室，會議室60-792普通需要中等顯色性的場所：作業(yè)車間40-593一般對顯色性的要求較低，色差較小的場所：倉庫20-394較差對顯色性無具體要求的場所：路燈統(tǒng)計的15種顏色：R1，淡灰紅色；R2，暗灰黃色；R3：飽和黃綠色；R4。LED，就選上海先盛照明電器有限公司，有想法的可以來電咨詢！安徽批發(fā)LED吸頂燈</p><p style="text-indent:25px">上海先盛照明電器有限公司為您提供LED，有需要可以聯(lián)系我司哦！山東戶外LED面板燈</p><p>應(yīng)用范圍比較廣，可以在線性燈具，燈帶，筒燈，面光源等全系列的燈具應(yīng)用上。這些燈珠封裝形式的功率，一般設(shè)計為，，，不過后來因為晶片技術(shù)和散熱支架（PCT，紅銅）等，功率可以上升到1W,甚至2W。現(xiàn)在甚至出現(xiàn)有5050，7070等SMD，功率能到3W以上。大功率表面貼裝性第三種燈珠也是表貼型，它與小功率表貼在本質(zhì)上很類似，只不過大功率、體積都大一點(diǎn);在細(xì)微結(jié)構(gòu)上，多了一個透鏡，可以將光線更好地匯聚在一起。這些類型功率都偏大，一般屬于國外大芯片公司壟斷了技術(shù)，一般封裝形式有：大功率芯片，3535；電壓一般還是3V-5V，額定電流可以從300mA-1500mA之間；集成封裝性（COB)它是將很多燈珠芯片封裝在同一塊板上，晶片是通過一定形式的串并數(shù)，用金線連接的。一般的串并數(shù)都是10串，或者12串的設(shè)計，因為都是設(shè)計在特低安全SELV42V以下。一般基板材料有：鋁基板，陶瓷板；例如CREE的COB一般是陶瓷基板；注意：安裝時候，不能用手或者其他工具觸摸，按壓熒光粉表面。山東戶外LED面板燈</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2183995.html</p></div></div></div></div></div><div id="cgf438x" class="page-right twoColRt"><div id="qaxhtvc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rlyseqc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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