与此同时，人行横道两侧的显示屏告诉人们只在绿灯亮的时候过马路。
At the same time, display screens on either side of the crosswalk tell people to only cross the street when the light is green.
这就是为什么你的电视机是高清晰的，你的电脑显示屏又亮又清楚。
This is why your TV is so high-def, and your computer monitor is so bright and clear.
该项目的另一部分是利用这一技术开发更亮、更高效的LED显示屏。
Another part of the project therefore aims to use the technique to create brighter, more efficient LED screens.
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