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class="comptitle_15"><strong class="titlestyle"><h1>Ѱɽ:LED昄屏介l?/h1></strong></div> <div class="message"> <span >来源Q?a href='//www.nebui.icu/news/5.html'>//www.nebui.icu/news/5.html</a> 发表旉Q?017-02-23</span> </div> <div class="summary"> </div> <div class="describe htmledit" id="infoContent"> <div class="content_l"> <p class="MsoNormal" style="text-indent:24.0000pt;background:#FFFFFF;"> <a href="//www.nebui.icu/">Ѱ</a> www.nebui.icu LED<span class="swqpi">昄屏凭借高清晰、高亮度、色彩鲜艟뀁主体鲜明、图像Ş象生动用简单明快、能耗低、寿命长、播攄zR可实现图文声像同步播映{特点,成ؓq告、企业或市政宣传最重要的蝲体之一。特别在</span><span class="swqpi">防腐</span>,<span class="swqpi">防水</span><span class="swqpi">,</span><span class="swqpi">防潮</span><span class="swqpi">,</span><span class="swqpi">防雷</span>{各<span class="swqpi">U恶劣性环?/span><span class="swqpi">的户外,</span>LED<span class="swqpi">昄屏更是其他宣传Ş式不可代替的最佳选择。如今在城市、广场或道\上,随处可见</span><span class="swqpi">LED</span><span class="swqpi">昄屏上播映的媒体广告、新闅R宣传等视频内容Q深动Ş象的视频l广大受众以强烈的视觉刺ȀQ越来越得到大众的认可,</span><span class="swqpi">LED</span><span class="swqpi">昄屏已q泛的应用在q告媒体、体育场馆、演׃、电视台、大型商城、R站码头、机场、指挥监控中心、学校及政府机关{各U场合?/span> </p> <p class="MsoNormal" style="text-indent:24.0000pt;background:#FFFFFF;"> LED<span class="swqpi">昄屏最基本配置</span><span class="swqpi">由显C模块、控制系l及</span><span class="swqpi">甉|pȝ</span><span class="swqpi">l成。显C模块由</span>LED<span class="swqpi">灯组成的炚w构成Q它主要是负责发光显C;控制pȝ通过控制相应区域的亮灭,可以让屏q显C文字、图片、视频等你想要的内容Q电源系l负责将输入电压甉|转ؓ昄屏需要的电压甉|?/span> </p> <p class="MsoNormal" style="text-indent:24.0000pt;background:#FFFFFF;"> LED<span class="swqpi">昄屏选择基本因素Q?/span> </p> <p class="15" style="margin-left:42.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 1. <span class="swqpi">亮度选择Q是昄屏的明暗层度Q亮度大与昄屏所使用的环境有养I一般情况室内屏的亮度要求在</span>500~2000cd;<span class="swqpi">户外昄屏的亮度要求在≥</span><span class="swqpi">5000cd</span><span class="swqpi">Q对于有阛_直射的屏则要求亮度在</span><span class="swqpi">8000cd</span><span class="swqpi">以上。适当的亮度是不仅有利于观看,而且也不至于费刉成本和使用成本?/span> </p> <p class="15" style="margin-left:42.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 2. LED<span class="swqpi">灯的装选择Q一般情况下表脓灯屏的视角大于直插灯屏,能观看到的范围更?/span><span class="swqpi">,</span><span class="swqpi">而且表脓灯؜色效果也好于直插灯屏Q无偏色Q但直插灯的三防性能及可靠性要高于表脓灯屏Q亮度也大于表脓屏?/span> </p> <p class="15" style="margin-left:42.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 3. 像素间距选择Q像素间距是指相<span class="swqpi">d?/span>?span>间的距离</span>?span>炚w距越,象素密度高Q信息容量越多,适合观看的距越q?/span>Q成本相寚wQ?span>炚w距越大,象素密度低Q信息容量越,适合观看的距越q?/span>Q成本相对低<span class="swqpi">?/span>像素间距选择应在保证观众看到昄屏^滑图像的前提下,选择合适的像素间距?</p> <p class="15" style="margin-left:63.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 1) <span class="swqpi">混合为单一颜色?/span>最观?span>距离</span>(<span class="swqpi">c?/span><span class="swqpi">)</span><span class="swqpi">Q像素点间距</span>(mm)×0.5<span class="swqpi">Q?/span> </p> <p class="15" style="margin-left:63.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 2) qx<span class="swqpi">囑փ?/span>观看最q?span>距离</span>(<span class="swqpi">c?/span><span class="swqpi">)</span><span class="swqpi">Q像素点间距</span>(mm) × 1<span class="swqpi">Q?/span> </p> <p class="15" style="margin-left:63.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 3) <span class="swqpi">高度清晰画面?/span>观看<span class="swqpi">距离</span>(<span class="swqpi">c?/span><span class="swqpi">)</span><span class="swqpi">Q像素点间距</span>(mm) × 3.4 </p> <p class="15" style="margin-left:42.0000pt;text-indent:-21.0000pt;background:#FFFFFF;"> 4. 屏体大小寸选择Q屏体越大像素越多,分L率、清晰度高、信息容量大Q成本也高Q但屏的大小同时受安装位|大媄响,在安装位|允许的情况下应考虑最q观众的观看Q显C屏<span class="swqpi">最q观?/span>的适宜<span class="swqpi">距离</span>(<span class="swqpi">c?/span><span class="swqpi">)</span><span class="swqpi">Q?/span>昄<span class="swqpi">屏幕高度</span>(mm)×30<span class="swqpi">。ؓ了不至于播放视频囑փ产生压羃或拉伸变形,屏体长宽比例应满_多视频源的长宽比?/span>16:9<span class="swqpi">?/span><span class="swqpi">4:3</span><span class="swqpi">来设计。当然也可以参照安装位置大小来设计显C屏的长宽尺寸,可通过播放特别制作的视频图像或分区播放来I补显C屏长宽比例与视频源不一致的影响?/span> </p> <p class="MsoNormal" 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