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Reflective articles and methods for increasing photosynthesis

  • US 10,575,476 B2
  • Filed: 04/22/2016
  • Issued: 03/03/2020
  • Est. Priority Date: 12/20/2013
  • Status: Active Grant
First Claim
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1. A reflective article comprising:

  • a first layer including reflecting material configured to diffusely reflect incident sunlight that is photosynthetically active; and

    a second layer including retro-reflecting material configured to retro-reflect incident sunlight that is non-photosynthetically active, the retro-reflecting material having a reflection coefficient corresponding to a proportion of energy of the incident sunlight that is non-photosynthetically active that the retro-reflecting material retro-reflects, the reflection coefficient increases with at least one of an increase of a temperature of the article or an increase of a quantity of sunlight that contacts the article;

    wherein the first layer covers the second layer such that incident light strikes the first layer before reaching the second layer.

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