Cool light, Good monochromaticity. High luminous efficacy.

冷光源，单色性好，发光效率高。

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You can see it from the moon shedding cool light over the scorched land so that it becomes comfortable.

你可以从月光上看到这种温柔，它清泠的光辉映照在枯黄的大地上，让人感觉到舒适。

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It is a cool light resource that costs less electrical energy to generate same quantity light energy comparing to normal lamp.

它是一种冷光源，产生同样的光能消耗的电能比普通灯小很多。

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Also,the inventors say the light-colored material better reflects sunlight, so buildings would cost less to cool.

VOA: special.2009.12.01

The problem with the latter is that it tends to generate a very cool light with a blue tinge, while the former is less energy efficient because of their reliance on green LEDs.

ENGADGET

Light-colored "cool roofs" that reflect light rather than absorb it can cut cooling costs by as much as 40%, the group says.

FORBES: Magazine Article

When combined with the rest of the blue this forms a cool, white light.

ECONOMIST: Lighting: A brilliant new approach | The