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class="comptitle_15"><strong class="titlestyle"><h1>Ѱζػ̳貶׽:LED昄屏选型指南</h1></strong></div> <div class="message"> <span >来源Q?a href='//www.nebui.icu/news/6.html'>//www.nebui.icu/news/6.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" align="center" style="text-align:center;"> <a href="//www.nebui.icu/">Ѱ</a> www.nebui.icu <b><a target="_blank" href="//www.nebui.icu/news/6.html"><a href="//www.nebui.icu/led/" target="_blank">LED昄?/a>选型指南</a></b><b></b> </p> <p class="MsoNormal" style="text-indent:22pt;">  LED昄屏凭借高清晰、高亮度、色彩鲜艟뀁主体鲜明、图像生动、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。特别在防腐,防水,防潮,防雷{各U恶劣性环境的户外QLED昄屏更是其他宣传Ş式不可代替的最佳选择?</p> <p class="MsoNormal" style="text-indent:22pt;"> LED昄屏最基本配置?a href="//www.nebui.icu/supply/98.html" target="_blank">LED?/a>体、控制系l及甉|pȝl成。显C模块由LED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是供给昄屏需要的电压甉|?</p> <p class="MsoNormal" style="text-indent:22pt;"> <img src="/uploads/image/20170220/20170220102630_5378.png" alt="" /> </p> <p class="MsoNormal" style="text-indent:24pt;background:#FFFFFF;"> <b>LED昄屏选择基本因素Q?/b><b></b> </p> <p class="15" align="justify" style="margin-left:21pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> A. <b>昄?/b><b>亮度</b><b>定</b>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500~2000cd;户外昄屏的亮度要求在≥5000cdQ对于有阛_直射的屏则要求亮度在8000cd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?</p> <p class="15" align="justify" style="margin-left:21pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> B. <b>LED灯封?/b><b>定</b>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?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?</p> <p class="15" align="justify" style="margin-left:21pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> C. <b>昄屏规|</b><b>像素间距</b><b>)定</b>Q像素间距是指相d素点间的距离。点间距小Q象素密度越高,信息定w多Q适合观看的距越q,成本相对高;炚w距越大,象素密度低Q信息容量越,适合观看的距越q,成本相对低。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" align="justify" style="margin-left:42pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> a) 混合为单一颜色的最观看距?c?Q像素点间距(mm)×0.5Q?</p> <p class="15" align="justify" style="margin-left:42pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> b) qx囑փ的观看最q距?c?Q像素点间距(mm) × 1Q?</p> <p class="15" align="justify" style="margin-left:42pt;text-indent:-21pt;text-align:justify;background:#FFFFFF;"> c) 高度清晰画面的观看距?c?Q像素点间距(mm) × 3.4 </p> <p class="MsoNormal"> <b>LED</b><b>屏体</b><b>寸定</b>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屏最q观看的适宜距离(c?Q显C屏q高度?0。ؓ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?6:9?:3来设计。当然也可参照安装位|大来设计昄屏的长宽寸Q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?</p> </div> </div> <div class="next_l"><div class="swqpi">上一?<a href="9.html">会议白板市场Q你看懂了吗Q—?016q中国IWB市场深度剖析与展?/a></div> <div class="swqpi">下一?<a href="5.html">LED昄屏介l?/a></div> </div> <div class="other"> <div class="tag">相关标签Q?a href='/key.aspx?k=LED%e6%98%be%e7%a4%ba%e5%b1%8f'>LED昄?/a>,</div> </div> </div> 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