Isolating a more specific range of wavelength allowed for a crisper image, practically eliminating the halo effect of the blue screens.

隔离更具体的波长范围可获得更清晰的图像，实际上消除了蓝屏的光晕效应。

Steve Allen, who worked at Nestle while it looked at developing a rival product, recalls the halo effect of a doctor's recommendation.

史蒂夫·艾伦（Steve Allen）曾在雀巢公司工作， 当时雀巢公司正在考虑开发竞争对手的产品，他回忆起医生推荐的光环效应。