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Patent Searching and Data


Title:
MICROPATTERN LAYER BASED IMAGE FILM
Document Type and Number:
WIPO Patent Application WO/2019/039660
Kind Code:
A1
Abstract:
The present invention relates to a micropattern layer based image film and a method for manufacturing the same. The image film comprises: a sacrificial layer; a first micropattern layer formed on the sacrificial layer; a second micropattern layer formed on the first micropattern layer; a focal length layer formed on the second micropattern layer; and a micro-image pattern formed on the focal length layer, wherein the first micropattern layer includes a plurality of concave parts extending in one direction, and concave curved surfaces of the plurality of concave parts are formed adjacent to the sacrificial layer; the second micropattern layer includes a plurality of convex parts extending in one direction, and convex curved surfaces of the plurality of convex parts are formed adjacent to the focal length layer; and the first micropattern layer and the second micropattern layer are orthogonal to each other.

Inventors:
KIM JONGYEOP (KR)
Application Number:
PCT/KR2017/013720
Publication Date:
February 28, 2019
Filing Date:
November 28, 2017
Export Citation:
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Assignee:
VISUALNET INC (KR)
International Classes:
B32B3/30; B32B7/06; B32B27/08; B32B27/36; B32B37/02; B32B38/00; B32B38/06
Foreign References:
KR101666819B12016-10-28
KR101131642B12012-03-28
KR101644830B12016-08-11
JP5934388B22016-06-15
KR101341072B12013-12-19
Other References:
See also references of EP 3674075A4
Attorney, Agent or Firm:
RYU, Sungwon et al. (KR)
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