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Title:
BLACK POLYIMIDE FILM AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/143085
Kind Code:
A1
Abstract:
The present invention provides a polyimide film comprising: 100 parts by weight of a polyimide resin; 1-5 parts by weight of a first shielding filler having an average diameter of 0.1-1 μm; and 0.3-1 parts by weight of a second shielding filler having an average diameter in a horizontal direction, of 5-15 μm, and an average diameter in a vertical direction, of 1-10 nm, wherein the light transmittance in the visible region is 7% or less, the modulus of the polyimide film, measured in the machine direction (MD) and/or the transverse direction (TD), is 3 GPa or more, and the thickness of the polyimide film is 8.0 μm or less.

Inventors:
KIM, Ki Hoon (516-704, 105,Doum 1-ro, Sejong, 30064, KR)
LEE, Kil Nam (2219-1202, 81 Gyenam-ro,,Bucheon-si, Gyeonggi-do, 14507, KR)
CHOI, Jeong Yeul (101 14-10, Gwanpyeong-ro 79beon-gil,Dongan-gu, Anyang-si, Gyeonggi-do, 14103, KR)
Application Number:
KR2019/000534
Publication Date:
July 25, 2019
Filing Date:
January 14, 2019
Export Citation:
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Assignee:
SKCKOLONPI INC. (27 Godeung 1-gil, Iwol-myeon,Jincheon-gun, Chungcheongbuk-do, 27818, KR)
International Classes:
C08J5/18; C08K3/04; C08K7/18; C08L79/08
Foreign References:
KR20130113778A2013-10-16
CN104151582A2014-11-19
JP2013221150A2013-10-28
KR20130106169A2013-09-27
KR20170073996A2017-06-29
Attorney, Agent or Firm:
LEE & KO IP (25F 63, Namdaemun-ro,Jung-gu, Seoul, 04532, KR)
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