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Patent Searching and Data


Title:
LOUVER FILM AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/019372
Kind Code:
A1
Abstract:
The present invention relates to a louver film, having a wound structure, that adjusts, to a desired angle, a viewing angle in a specific direction from among viewing angles in all directions. The present invention comprises a louver part (30) having a wound structure in which a stack comprising a light-transmitting layer, a light-blocking layer and an adhesive layer is wound, wherein the louver part (30) comprises a light-transmitting part composed of at least the light-transmitting layer, and a light-blocking part composed of at least the light-blocking layer, and the refractive index of the light-blocking layer and/or the adhesive layer differs from that of the light-transmitting layer.

Inventors:
TAKAHASHI TOSHIYUKI (JP)
SATO ATSUSHI (JP)
JEONG INJO (KR)
LEE JEAHYUCK (KR)
YOON JONGSEOK (KR)
YOKOTE YOSHIHIRO (JP)
Application Number:
PCT/KR2023/009466
Publication Date:
January 25, 2024
Filing Date:
July 05, 2023
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
B32B7/023; C09J7/29; G02B5/30
Foreign References:
KR20010103132A2001-11-23
JP2013050563A2013-03-14
JP2017146359A2017-08-24
KR20130141364A2013-12-26
JP2017227901A2017-12-28
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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