Title:
METHOD FOR DETERMINING CUTTING POSITIONS OF OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2020/067810
Kind Code:
A1
Abstract:
A method for determining cutting positions of an optical film according to an embodiment of the present invention is a method for determining cutting positions of an optical film, which extends lengthily, so as to enable forming of a plurality of optical film sheet pieces through cutting of the optical film along the widthwise direction thereof while having intervals in the lengthwise direction, and comprises the steps of: (a) informatizing in advance a defective position of the optical film with reference to the lengthwise direction of the optical film; (b) dividing the entire region of the optical film into a plurality of large-section calculation regions for inducing the plurality of cutting positions with reference to a normal cutting interval condition and minimum cutting interval condition of the optical film in the lengthwise direction and defective position information of the optical film; and (c) determining the cutting positions from a region, in which not all the cutting positions have been determined, in the order of the lengthwise direction of the optical film among the plurality of large-section calculation regions.
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Inventors:
HEO SOON KI (KR)
KWAK MUN CHEON (KR)
JANG EUNG JIN (KR)
KIM CHAN SOO (KR)
LEE KYU HWANG (KR)
KWAK MUN CHEON (KR)
JANG EUNG JIN (KR)
KIM CHAN SOO (KR)
LEE KYU HWANG (KR)
Application Number:
PCT/KR2019/012659
Publication Date:
April 02, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B26D7/28; B26D5/00; B29D11/00; G02B5/00
Foreign References:
| JP4377961B1 | 2009-12-02 | |||
| JPH059898U | 1993-02-09 | |||
| KR20160107532A | 2016-09-19 | |||
| KR101746294B1 | 2017-06-12 | |||
| US4949607A | 1990-08-21 |
Attorney, Agent or Firm:
PCR INTELLECTUAL PROPERTY LAW FIRM (KR)
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