Patent · US Expired

Anti-reflection film, polarizing plate and display device

US7138185B2 · kind B2 · utility

5Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 3, 2003
Grant dateNov 21, 2006
Priority date
Expiry dateSep 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An anti-reflection film that is an optical film, at least has a hard coat layer, and a low-refractive-index layer containing a binder polymer, on a transparent support, wherein said hard coat layer and/or said low-refractive-index layer contains: (a) a hydrolysate of an organosilane in which a hydroxyl group or a hydrolysable group is directly bonded to silicon, and/or a partial condensation product thereof; and (b) at least one metal chelate compound of an alkylalcohol, and a compound of R4COCH2COR5, in which R4 is an alkyl group, and R5 is an alkyl or alkoxy group, as ligands, and a metal selected from Zr, Ti and Al, as a central metal.

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