Light-emitting or receiving device with smooth and hard encapsulant resin
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United States of America Patent
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Mar 31, 1992
Grant Date -
N/A
app pub date -
Mar 28, 1989
filing date -
Mar 31, 1988
priority date (Note) -
Expired
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Abstract
There is provided a light-emitting or receiving device having improved weatherability, chemical resistance, hardness, and optical properties, wherein a light-emitting or receiving element is encapsulated with a polymer of a polymerizable liquid composition comprising (a) a monomer or an oligomer or a mixture thereof containing a diallyl compound as an essential ingredient. There is also provided an encapsulant and a method for encapsulating a light-emitting or receiving element.
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