亮度的对比灵敏度
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最大允许脉冲幅值电流
0 comments At 2015-11-19 By seoer Category:行业资讯当然，Ir之值必须小于该器件的最大允许脉冲幅值电流。这样，n的值就不可能取得太大，否则要不然显示亮度不够，要不然电流超过极限值。一般n最大取为16，这时的显示亮度大约是直流驱动下能够显示的最大亮度的1/4。
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Read More...LED显示屏的安装
0 comments At 2015-11-18 By seoer Category:行业资讯在LED显示屏的安装方面需要注意的问题，主要有屏体大小与观察距离的关系和安装倾角等。屏体大小与观察距离应该有适当的比例，一般情况下观察距离可以取屏体对角线长度的2.20倍，在6-10倍的距离上观察效果较好。最大可观察的距离可达屏体对角线的100倍以上。
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Read More...LED图文显示屏的特点
0 comments At 2015-11-18 By seoer Category:行业资讯 LED图文显示屏的特点
和很多应用技术用语一样，LED图文显示屏并没有一个公认的严格的定义，一般把显示图形文字的LED显示屏称为图文屏。这里说的图形，是指由单一亮度线条组成的任意图形，以便与不同亮度(灰度)点阵组成的图像相区别。图文显示屏的主要特征是只控制LED点阵中各发光器件的通断(发光或熄灭)，而不控制LED的发光强弱。
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