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US 10,208,166 B2Granted
Polyphosphonate, and lens and camera module including the same
AssigneesSamsung Electro-Mechanics Co., Ltd., The University Court of the University of Edinburgh
InventorsHoe-Chul Jung, Michael Patrick Shaver, Emily Kate Macdonald
Life of this patent
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Abstract
A polyphosphonate, a lens including the polyphosphonate, a camera module including the polyphosphonate lens, and a method of producing the lens are provided. The polyphosphonate includes a constitutional repeating unit comprising a phosphate ester group and an aromatic ring, and the phosphate ester group is directly bonded to the aromatic ring in the constitutional repeating unit.
Claims15
A polyphosphonate comprising a constitutional repeating unit comprising a phosphate ester group and an aromatic ring,
- wherein the constitutional repeating unit is represented by the following formula:
- wherein R3 is a heavy hydrogen, a substituted or unsubstituted C1-C10 aliphatic chain, a substituted or unsubstituted C3-C10 aliphatic ring, a substituted or unsubstituted C6-C20 aromatic ring, or a combination thereof;
- R4 to R7 are the same or different, and independently, a hydrogen atom, a substituted or unsubstituted C1 to C20 aliphatic chain, a substituted or unsubstituted C3-C10 aliphatic ring, a substituted or unsubstituted C6-C20 aromatic ring, or a combination thereof;
- and
- m is an integer of 5 to 500.
2 more elements
Dependencies are inferred from the claim text.