Invention Application
- Patent Title: Optical bodies and methods for making optical bodies
- Patent Title (中): 光学体及其制造方法
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Application No.: US10977211Application Date: 2004-10-29
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Publication No.: US20060093809A1Publication Date: 2006-05-04
- Inventor: Timothy Hebrink , Joan Strobel , Barry Rosell , John Purcell , Kevin Hamer , Kristopher Derks , Robert Taylor , William Black , Gregory Bluem
- Applicant: Timothy Hebrink , Joan Strobel , Barry Rosell , John Purcell , Kevin Hamer , Kristopher Derks , Robert Taylor , William Black , Gregory Bluem
- Main IPC: B32B5/16
- IPC: B32B5/16

Abstract:
Optical bodies are disclosed that include an optical film and at least one rough strippable skin layer operatively connected to a surface of the optical film. The at least one rough strippable skin layer can include a continuous phase and a disperse phase. Alternatively, the at least one rough strippable skin layer can include a first polymer, a second polymer different from the first polymer and an additional material that is substantially immiscible in at least one of the first and second polymers. In some exemplary embodiments, a surface of the at least one rough strippable skin layer adjacent to the optical film comprises a plurality of protrusions and the adjacent surface of the optical film comprises a plurality of asymmetric depressions substantially corresponding to said plurality of protrusions. In addition, optical bodies are disclosed that include an optical film having a surface with asymmetric depressions, the asymmetric depressions having a major dimension substantially collinear with a major axis of the optical film and a minor direction substantially collinear with a minor axis of the optical film. Methods of making such exemplary optical bodies are also disclosed.
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