BLUE LIGHT-BLOCKING RESIN COMPOSITION

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United States of America Patent

SERIAL NO

15037641

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Abstract

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Embodiments of the invention provide a resin composition for optical articles, which has a blue light-blocking function, is white and transparent, and does not look yellow; and a laminate. According to at least one embodiment, the resin composition includes (A) 1 to 5 parts by mass of white inorganic microparticles and (B) 100 parts by mass of a transparent base resin. The resin composition is characterized in that (i) the white inorganic microparticles have an average particle diameter of 10 to 80 nm and (ii) the difference between the refractive index of the white inorganic microparticles and the refractive index of the base resin is 0.1 or more. According to at least one embodiment, there is provided a laminate which includes a hard coat layer or a cohesive/adhesive agent layer each made from the resin composition and a poly(meth)acrylic imide resin film layer.

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Patent Owner(s)

Patent OwnerAddress
RIKEN TECHNOS CORPORATION2-101 KANDA-AWAJICHO CHIYODA-KU TOKYO 1018336

International Classification(s)

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  • 2014 Application Filing Year
  • C09J Class
  • 1048 Applications Filed
  • 793 Patents Issued To-Date
  • 75.67 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
YAMADA, Kazutaka Tokyo, JP 54 498

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges50126145101 - 1011 - 2021 - 3061 - 700102030405060708090100110120130140

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