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<h1>怎样杜绝户外昄屏光污染</h1>
<span>作者：南京紫灵机电设备有限公?nbsp; 旉Q?016/11/11 17:50:43</span>
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<div class="showt" align="left">随着城市q程的不断推q，户外LED昄屏在城市里随处可见，与其相关的光污染、光感染{问题也开始逐步暴露出来?
<p>
除了一些安装上解决光污染的方式Q业内h士关注更多的是如何通过对封装器件的改良来减LED昄屏光污染问题。目前来_不管是直插器件还是表贴器Ӟ都有厂家推出了各自的解决Ҏ?
</p>
<p>
按照l大部分观看者的视线来说QLED昄屏的上视角是LED昄屏的无效昄范围。因此，一些封装厂商通过对直插器件进行非对称的光学设计，上视角的部分能量，转移C视角的可视范围内Q提高在有效亮度。通过q样的非对称光学设计Q从而达到增加下视角有效可视范围内亮度，避免对居民楼、夜I等无效可视范围造成光污染?
</p>
<p>
有研I表明，人眼对于色彩的感受，要大于对亮暗的感受。一般来说对比度大Q图像越清晰醒目Q色彩也鲜明艳丽；而对比度，则会让整个画面都灰蒙蒙的Qhg不容易分辨。另外，Ҏ度对于动态视频显C效果媄响要更大一些，׃动态图像中明暗转换比较快，Ҏ度越高，人的眼睛容易分辨出q样的{换过E?
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