Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2009
Patent Application Number
11283900
Date Filed
November 22, 2005
Patent Primary Examiner
Patent abstract
In an image-displaying screen that is formed of a plurality of plates having lens structure, the reliability of the fixing between the plurality of plates is enhanced. A screen that displays an image includes a lenticular lens plate and a Fresnel lens plate that is fixed to the lenticular lens plate by thermal welding. Because the lenticular lens plate and the Fresnel lens plate are thus fixed together by thermal welding, the fixing strength between the lenticular lens plate and the Fresnel lens plate is not deteriorated by repeated distortion of the welded portion, as would be caused by temperature variations etc. when a welding agent is used to fix them. This enhances the reliability of the fixing between the lens plates.
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