Patent · US Active

Adhesive stacking for multiple optical films

US7520654B2 · kind B2 · utility

8Cited by
71References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 2008
Grant dateApr 21, 2009
Priority date
Expiry dateJul 7, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/28
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a new packaging method for light management films in displays, such as liquid crystal displays, a stack of two or more optical films is held together before insertion into the display frame. The stack includes at least two of the films that are adhered together using adhesive positioned outside the viewing area of the films. In some embodiments, the adhesive is provided at one or more tabs provided around the periphery of the film stack.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.