Title:
OPTICAL STACK, METHOD FOR MANUFACTURING SAME, AND SMART WINDOW COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/140516
Kind Code:
A1
Abstract:
The present invention relates to a transmittance-variable optical stack, a method for manufacturing same, and a smart window comprising same, the optical stack comprising: a first polarizing plate including a first functional layer; a first transparent conductive layer formed on one surface of the first polarizing plate; a second polarizing plate including a second functional layer and opposite to the first polarizing plate; a second transparent conductive layer formed on one surface of the second polarizing plate and opposite to the first transparent conductive layer; and a liquid crystal layer provided between the first transparent conductive layer and the second transparent conductive layer, wherein at least one of the first transparent conductive layer and the second transparent conductive layer is formed to come in direct contact with one of the first polarizing plate and the second polarizing plate, and the first functional layer and the second functional layer have a surface pencil hardness of 3B to 6H.
Inventors:
AHN HONG-JUN (KR)
KIM DONG-HWI (KR)
OH PYOUNG-YUN (KR)
KIM DONG-HWI (KR)
OH PYOUNG-YUN (KR)
Application Number:
PCT/KR2022/020636
Publication Date:
July 27, 2023
Filing Date:
December 16, 2022
Export Citation:
Assignee:
DONGWOO FINE CHEM CO LTD (KR)
International Classes:
G02F1/1335; B32B7/023; B60J3/04; E06B3/67; G02B5/30; G02F1/1337; G02F1/137; G06F1/16
Foreign References:
| US5808715A | 1998-09-15 | |||
| KR20150105266A | 2015-09-16 | |||
| JP2014215592A | 2014-11-17 | |||
| JP2020144199A | 2020-09-10 | |||
| KR20180120316A | 2018-11-06 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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