POLYESTER PROTECTIVE FILM FOR POLARZING PLATE POLARIZING PLATE COMPRISING THE SAME AND LIQUID CRYSTAL DISPLAY APPARATUS COMPRISING THE SAME

The present invention provides a polyester protective film for a polarizing plate which has low a yellow index, has low yellowing in light irradiation at high temperature or high temperature and high humidity and is excellent in light stability, a polarizing plate including the same, and a liquid cr...

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Bibliographic Details
Main Author LEE, BAE WOOK
Format Patent
LanguageEnglish
Korean
Published 05.07.2018
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The present invention provides a polyester protective film for a polarizing plate which has low a yellow index, has low yellowing in light irradiation at high temperature or high temperature and high humidity and is excellent in light stability, a polarizing plate including the same, and a liquid crystal display device including the same. The polyester protective film for a polarizing plate has the yellow index (YI) of 1.0 or less and comprises an ultraviolet absorber of chemical formula 1 and an ultraviolet absorber of chemical formula 2. 황색도(YI)가 1.0 이하이고, 화학식 1의 자외선 흡수제 및 화학식 2의 자외선 흡수제를 포함하는 편광판용 폴리에스테르 보호필름, 이를 포함하는 편광판, 이를 포함하는 액정표시장치가 제공된다.
Bibliography:Application Number: KR20160180508