背面光

在数据输入模式情况下，减小背面光照明的亮度。

In the case of a data input mode , the brightness of the backlighting is reduced .

本文改进了常规表面光电压测试少子扩散长度法，采用环形下电极消除了薄样品背面光电压信号对测量结果的影响；

The authors improved the routine steady-state surface photovoltage method to measure minority carrier diffusion length in both sides polished silicon wafers .

结果表明，GaN与蓝宝石之间的较大折射率差别严重限制了芯片光提取效率的提高，通过蓝宝石背面出光比通过p型GaN层的正面出光的芯片光提取效率至少高20%；

It is shown that the large refractive index difference between GaN and Al_2O_3 seriously limits the improvement of light extraction efficiency . The extraction efficiency is enhanced at least 20 % by using the structure of flip-chip bonding than that of the top-emitting .

关于由衍射片的背面反射光形成的衍射图样的讨论

Diffraction pattern formed from the light reflected by the back of diffraction screen

器件的结构采用背面进光方式。

The device structure design uses the way of light coming from the back .

我走路比较靠近的到壁橱的背面而且光变得比较明亮些。

I walked closer to the back of the closet and the light got a bit brighter .

它装配了闪烁的背面彩色光以及反光镜，在这个季节，可以把你的手臂照亮。

With a flashing coloured back light and mirrored glass the Illuma will light up your arm this season .

拍摄亮物时，影象周围现出的一种晕圈，它是由底片背面的反射光形成的。

In photography , a halo around bright highlight areas caused by light reflected from the back of the negative .