Patent ID: 8053071
Filing Date: 2011-11-08
Classification: G02B,G02F,Y10T

Abstract:
1. An impact absorption layer used in a film for protection of a display panel, wherein the impact absorption layer has a thickness of 30 μm or more, has a hardness of 20 to 100 as measured at a room temperature using an Asker C hardness tester, and comprises micro bubbles and at least one selected from the group consisting of a pressure sensitive adhesive (PSA), acryl-based compound, urethane-based compound, urethane acrylate-based compound, silicon-based compound, and rubber-based compound; wherein the micro bubbles have a diameter of 1 μm or less and are present in the impact absorption layer in a density of 10 to 100 bubbles per cubic millimeter (mm