Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dax Kukulj0
Graham Roy Atkins0
Date of Patent
February 21, 2012
0Patent Application Number
117428870
Date Filed
May 1, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention relates to polymeric optical materials suitable for use in waveguide-based optical touch screen sensors. In particular, the materials should have a glass transition temperature (Tg) below a minimum operating temperature of the touch screen device. Preferably, waveguides composed of the materials are fabricated on polymer substrates, so that the waveguide assembly is flexible. In this case, the materials should have Tg below a Tg of the polymer substrate.
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