Title:
TRANSMITTANCE-VARIABLE OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, AND SMART WINDOW COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/234556
Kind Code:
A1
Abstract:
The present invention relates to a transmittance-variable optical laminate and a manufacture method therefor, and a smart window comprising same, the laminate including: a first laminate in which a first polarization plate, a first transparent conductive layer, and a first alignment film are sequentially laminated; a second laminate in which a second polarization plate, a second transparent conductive layer, and a second alignment are sequentially laminated; and a dispersion liquid crystal disposed between the first laminate and the second laminate, wherein the dispersion liquid crystal includes a spacer, a compressive modulus of the spacer to a compressive modulus of one of the first laminate and the second laminate is 0.75 to 1.55, and the spacer is included in an amount of 0.5 to 3.0% by weight based on the total weight of the dispersion liquid crystal.
Inventors:
KIM HYUNG-HUN (KR)
KIM DONG-HWI (KR)
SONG SEUNG-WON (KR)
KIM DONG-HWI (KR)
SONG SEUNG-WON (KR)
Application Number:
PCT/KR2023/005386
Publication Date:
December 07, 2023
Filing Date:
April 20, 2023
Export Citation:
Assignee:
DONGWOO FINE CHEM CO LTD (KR)
International Classes:
G02F1/1339; B60J3/04; E06B3/67; E06B9/24; G02B5/30; G02F1/1335; G02F1/1337; G02F1/139; G06F1/16
Foreign References:
| JP2006171343A | 2006-06-29 | |||
| KR102382642B1 | 2022-04-04 | |||
| KR20220039857A | 2022-03-29 | |||
| KR100890973B1 | 2009-03-27 | |||
| KR20220070346A | 2022-05-30 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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