Title:
POLYIMIDE LAMINATED FILM ROLL BODY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2018/216890
Kind Code:
A1
Abstract:
The present invention relates to a laminated film roll body, around which a laminated film is wound, the laminated film including: a first polyimide film; and a second polyimide film laminated on the first polyimide film and made of a fluorine-based, siloxane-based, or amine-based polyamic acid, wherein the second polyimide film has a glass transition temperature of 350°C or higher when measured by a temperature elevation rate of 20°C/min. The laminated film roll body can be used in a continuous manufacturing process of a flexible device to improve process yield and efficiency.
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Inventors:
YUN CHEOLMIN (KR)
JEONG HYE WON (KR)
KIM KYUNGJUN (KR)
JEONG HYE WON (KR)
KIM KYUNGJUN (KR)
Application Number:
PCT/KR2018/003070
Publication Date:
November 29, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B32B37/24; B32B27/08; B32B27/28; B32B37/06; B32B37/10; B32B38/00; B32B43/00
Foreign References:
| JP2011056824A | 2011-03-24 | |||
| US20120016076A1 | 2012-01-19 | |||
| KR20130080433A | 2013-07-12 | |||
| KR20160097682A | 2016-08-18 | |||
| JP2011056825A | 2011-03-24 | |||
| KR20170064367A | 2017-06-09 | |||
| KR20180020865A | 2018-02-28 |
Other References:
See also references of EP 3632679A4
Attorney, Agent or Firm:
KIM, Aera (KR)
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