Double-Sided Adhesive Tapes for Producing LC Displays Having Light-reflecting and Absorbing Properties
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United States of America Patent
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Issued Date -
May 14, 2009
app pub date -
Dec 2, 2005
filing date -
Dec 2, 2004
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Abandoned
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Abstract
The invention relates to an adhesive tape, especially for producing or gluing optical liquid crystal displays (LCDs). Said tape comprises a lower face and an upper face, the lower face having light-reflecting properties and the upper face having light-absorbing properties, a support film having an upper face and a lower face, said adhesive tape being provided on both sides with an adhesive layer. The inventive tape is characterized in that the support film has a content of antiblocking agents of less than 4000 ppm, the support film is brightly colored and at least one light-absorbing chromophoric layer is provided at least between the lower face of the support film and the adhesive layer disposed on said face.
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