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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">LED光源的发光优点有哪些？ </h1> <p class="xg1"> 时间：2021-11-10 09:49<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1489)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9342&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: 网络平台</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>LED依赖不同能级间电子移动而发光，仅接入小电流就会发射出人眼可见之光，其有效利用率在75%以上。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> LED依赖不同能级间<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>移动而<a href="http://light.oecr.com" target="_blank" class="relatedlink">发光</a>，仅接入小电流就会发射出人眼可见之光，其有效利用率在75%以上。</div><div><br></div><div> 在众多的<a href="http://light.oecr.com" target="_blank" class="relatedlink">照明</a><a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>中，为了提高灯具的性能，都会采用LED作为光源进行设计，其中包括道路照明系统、汽车照明系统等。</div><div><br></div><div> 其优点如下：</div><div><br></div><div> （1）寿命长、耐用。LED可发出光的原因是其二极管内部有不同寻常的构造。其发光过程包括加了电压状态、电离子碰撞发出光子和光学能量传输三个部分。当在电极上加上正向电压之后，非平衡少数载流子和多数载流子复合，多余的能量就会以辐射光子的形式转化为光能。LED依赖电子和离子的不断碰撞发出光，不会出现损旧、断裂的现象，它的出光方式造就了可用时间长的特性。</div><div><br></div><div> （2）节约能源、环保。普通家庭照明灯具投入低、色差大显色低、其光的有效利用比例低，浪费光电程度达98%；日光灯、节能灯的发光效率为7%——12%；在近乎相同的状况下，LED作为光源的灯具比普通白炽灯节约7倍，较荧光灯管节约2倍。</div><div><br></div><div> （3）安全可靠、无辐射。LED为冷光源，无热辐射，无需充入汞等有害物质，使用过程中不用担心重金属元素的侧漏对人体造成伤害，有效保障工作的安全性。</div><div><br></div><div> （4）响应速度快、弛豫时间短。LED从接通电源到发光全程只有几十秒的时间。LED有变闪特性，可通过驱动时间的合理搭配实现系统的色平衡。</div><div><br></div><div> （5）体积小重量轻，便于集成。LED表层由脂类有机物覆盖，可受一定范围内压力，轻易碰撞不会破裂。</div><div><br></div><div><div 0px;"="" 255);"="" 255,="" rgb(255,="" simsun;="" yahei",="" microsoft="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); text-indent: 28px; font-family: 微软雅黑;"><span style="overflow-wrap: normal;">免责声明：编写或转载此文是为了传递更多的信息，为光电行业尽一些绵薄之力。若文字或图片侵犯了您的合法权益或有不当之处，请作者在20个工作日之内与我们联系，我们将协调给予处理。</span></div><div 0px;"="" 255);"="" 255,="" rgb(255,="" 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