Method of filling and sealing a fluorescent layer in a slot space defined by two optical lenses and a partition ring
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United States of America Patent
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Jul 30, 2013
Grant Date -
Jul 26, 2012
app pub date -
Jan 26, 2011
filing date -
Jan 26, 2011
priority date (Note) -
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Abstract
A method of filling and sealing a fluorescent layer in a slot space defined by two optical lenses and a partition ring is disclosed, in which a slot space is defined by two optical glasses and a partition frame having a partition ring on the inner wall surface. The partition frame is installed with two slots diametrically opposite to each other, and the slot space is evacuated to allow filling of a fluorescent material, and then the two slots are sealed so that the moisture is prevented from permeating into the fluorescent layer, and thus the optical performance can be maintained over a long period.
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