OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW COMPRISING SAME, AND AUTOMOBILE AND BUILDING WINDOW SYSTEMS USING SAME

WIPO Patent Application WO/2023/128431

A1

The present invention relates to a variable transmittance optical laminate and a manufacturing method therefor, a smart window comprising same, and automobile and building window systems using same, the variable transmittance optical laminate comprising: a first laminate in which a first polarizing plate, a first transparent conductive layer, and a first alignment layer are sequentially laminated; a second laminate which faces the first laminate and in which a second polarizing plate, a second transparent conductive layer, and a second alignment layer are sequentially laminated; a liquid crystal layer disposed between the first laminate and the second laminate; and a sealant formed along the outer circumferential surface of the liquid crystal layer and sealing the liquid crystal layer, wherein at least one of the first transparent conductive layer or the second transparent conductive layer is in direct contact with one of the first polarizing plate or the second polarizing plate, the sealant includes a first region overlapping with at least one of the first alignment layer or the second alignment layer in a planar direction and a second region not overlapping with same, and the width of the first region is 5% to 70% of the sum of the width of the first region and the width of the second region.

KIM DONG-HWI (KR)
AHN HONG-JUN (KR)
OH PYOUNG-YUN (KR)

PCT/KR2022/020635

July 06, 2023

December 16, 2022

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DONGWOO FINE CHEM CO LTD (KR)

G02F1/01; B60J3/04; E06B3/67; G02B5/30

JP2010181747A	2010-08-19
KR20170064744A	2017-06-12
KR20210099095A	2021-08-11
KR20190061777A	2019-06-05
KR20200127728A	2020-11-11

HANYANG PATENT FIRM (KR)

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