Title:
TRANSMITTANCE-VARIABLE OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, AND SMART WINDOW COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/182708
Kind Code:
A1
Abstract:
The present invention relates to a transmittance-variable optical laminate and a manufacturing method therefor, and a smart window comprising same, the laminate comprising: a liquid crystal layer containing a sealant; a first polarization plate including a first functional coating layer and disposed on one surface of the liquid crystal layer; a second polarization plate including a second functional coating layer and disposed on the other surface of the liquid crystal layer; a first transparent conductive layer formed between the first polarization plate and the liquid crystal layer; and a second transparent conductive layer formed between the second polarization plate and the liquid crystal layer, wherein at least one transparent conductive layer of the first transparent conductive layer and the second transparent conductive layer is formed in direct contact with any one of the first polarization plate and the second polarization plate; the first functional coating layer and the second functional coating layer each have a surface pencil hardness of 3B to 8H; and the sum of the thicknesses of the first functional coating layer and the second functional coating layer is 2 to 50 μm.
Inventors:
AHN HONG-JUN (KR)
OH PYOUNG-YUN (KR)
OH PYOUNG-YUN (KR)
Application Number:
PCT/KR2023/003267
Publication Date:
September 28, 2023
Filing Date:
March 09, 2023
Export Citation:
Assignee:
DONGWOO FINE CHEM CO LTD (KR)
International Classes:
G02F1/1335; B32B7/023; B60J3/04; E06B3/67; E06B9/24; G02B1/14; G02B5/30; G02F1/1339; G02F1/137; G06F1/16
Foreign References:
| KR20200127728A | 2020-11-11 | |||
| KR20220036617A | 2022-03-23 | |||
| JP2009069429A | 2009-04-02 | |||
| KR20190061777A | 2019-06-05 | |||
| JP2021189224A | 2021-12-13 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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