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Patent Searching and Data


Title:
LIGHT CONTROL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/054591
Kind Code:
A1
Abstract:
The present invention relates to a light control sheet and a manufacturing method therefor, the method using a curved cutting member so as to cut a laminate in which light transmitting members and light opaque members are alternately arranged, and thus forms a cut product, and allowing imaginary extended lines caused by the light opaque members to face one region if the curved cut product made through cutting is flattened, thereby controlling the direction of light. In addition, the present invention can provide: a precise light control sheet which is simpler, more efficient and more reliable in order to allow the imaginary extended lines of the light opaque members to face one region; and a method for manufacturing the precise light control sheet.

Inventors:
CHO JEONG KI (KR)
Application Number:
PCT/KR2020/009418
Publication Date:
March 25, 2021
Filing Date:
July 17, 2020
Export Citation:
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Assignee:
CHO JEONG KI (KR)
International Classes:
B29D11/00; G03B42/02; B29L7/00; B29L11/00
Foreign References:
JP2000217821A2000-08-08
KR101928064B12018-12-11
KR101183800B12012-09-17
KR101454329B12014-10-28
KR102070236B12020-01-29
Attorney, Agent or Firm:
LEE, Kang Wook (KR)
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