Guarded cover sheet for LCD polarizers and method of making...

Stock material or miscellaneous articles – Layer or component removable to expose adhesive

Reexamination Certificate

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C428S041700, C428S500000, C428S507000, C428S508000, C428S510000, C428S522000, C428S523000

Reexamination Certificate

active

07662456

ABSTRACT:
The invention generally relates to polymer films used as protective cover sheets for polarizer plates, their manufacture, and to a method for producing polarizing plates employing such polymer films. More particularly, the invention provides a guarded cover sheet composite comprising a temporary carrier substrate having a first cover sheet comprising a first low birefringence film on one side and a second cover sheet comprising a second low birefringence film on the other side.

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U.S. Appl. No. 10/838,841 (DN88085/CPK) filed May 4, 2004 entitled “Polarizer Guarded Cover Sheet With Adhesion Promoter,” by Yongcai Wang et al.

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