LIGHT GUIDING ASSEMBLY WITH ADJUSTABLE OPTICAL CHARACTERISTICS
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United States of America Patent
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Dec 24, 2015
app pub date -
Jan 10, 2014
filing date -
Jan 30, 2013
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Abstract
According to an aspect, a light guiding assembly (1) with a tubular member (2) for guiding light is provided. The light guiding assembly comprises a first layer (51, 61) having a first optical characteristic, the first layer being arranged on an inner wall (5) of the tubular member, and a second layer (52, 62) having a second optical characteristic, the second layer being adjustable at least with respect to the second optical characteristic and with respect to the extent of light allowed to be transmitted through the second layer. The second layer is coupled to a side of the first layer facing away from the inner wall. One of the first and second optical characteristics effects changing of the color of light guided in the tubular member, and the other one of the first and second optical characteristics effects reflection of light guided in the tubular member. Accordingly, the color of daylight guided through the tubular member can be tuned.
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