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

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

2005-12-12

2010-02-16

Chen, Vivian (Department: 1794)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

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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