发明名称 POLYESTER FILM FOR PROTECTING POLARIZING PLATE
摘要 <P>PROBLEM TO BE SOLVED: To provide a polyester film for protecting a polarizing plate, capable of reducing the degradation of a liquid crystal due to ultraviolet rays when assembled in a liquid crystal display as the polarizing plate and easily inspecting foreign matters and defects by the crossed nicol method. <P>SOLUTION: The polyester film for protecting the polarizing plate is a laminated polyester film comprising at least three layers, an ultraviolet absorber is contained in an inner layer, light transmittance at the wavelength of 380 nm is &le;10.0%, light transmittance at the wavelength of 550 nm is &ge;80.0%, and an orientation angle is in the range of 70-90 degrees. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2010243630(A) 申请公布日期 2010.10.28
申请号 JP20090089831 申请日期 2009.04.02
申请人 MITSUBISHI PLASTICS INC 发明人 SUGIE KENJI
分类号 G02B5/30;G02F1/1335 主分类号 G02B5/30
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