MASK, AND OPTICAL FILTER MANUFACTURING APPARATUS COMPRISING SAME

Title:

MASK, AND OPTICAL FILTER MANUFACTURING APPARATUS COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2013/012299

Kind Code:

A2

Abstract:

The present invention relates to a mask, and to an optical filter manufacturing apparatus comprising same. The mask, which is to be used in a roll to roll process that forms a pattern on a base film moving along a curved surface, comprises a mask body, one surface of which is a curved surface arranged opposite a roll onto which the base film is wound, and the reverse surface of which is a flat surface. In addition, the curved surface of the mask body has a uniform distance from the curved surface of the roll. According to the present invention, the pattern can be uniformly formed on the base film, thereby improving the quality of a product and correctly achieving certain characteristics of the base film.

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Inventors:

SHIN BU GON (KR)
KIM SIN YOUNG (KR)
KIM JAE JIN (KR)
LEE DA MI (KR)

Application Number:

PCT/KR2012/005850

Publication Date:

January 24, 2013

Filing Date:

July 23, 2012

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)
SHIN BU GON (KR)
KIM SIN YOUNG (KR)
KIM JAE JIN (KR)
LEE DA MI (KR)

International Classes:

G03F1/00; G03F7/24; H01L21/027

Foreign References:

KR20060053117A	2006-05-19
KR20090112546A	2009-10-28

Other References: