Title:
NEAR INFRARED RAY SHIELDING FILM
Document Type and Number:
WIPO Patent Application WO/2003/000779
Kind Code:
A1
Abstract:
A near infrared ray shielding film which is a biaxially oriented film consisting of polyester containing a near infrared absorbing agent, and in which the weight decrease initiation temperature of the near infrared absorbing agent is at least 280°C, the haze value of the film is up to 5%, and a total light ray transmittance in a visible light of wavelength of 400−650 nm is at least 40%. Typically, optical characteristics in a visible light area and a near infrared area satisfy the following expressions (1)−(4). 1
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Inventors:
Oya, Taro c/o Sagamihara Research Center Teijin DuPont Films Japan Limited 37-19 (Oyama 3-chome Sagamihara-shi, Kanagawa, 229-1105, JP)
Application Number:
PCT/JP2002/006055
Publication Date:
January 03, 2003
Filing Date:
June 18, 2002
Export Citation:
Assignee:
TEIJIN LIMITED (6-7 Minamihommachi 1-chome Chuo-ku, Osaka-shi Osaka, Osaka-shi Osaka, 541-0054, JP)
Oya, Taro c/o Sagamihara Research Center Teijin DuPont Films Japan Limited 37-19 (Oyama 3-chome Sagamihara-shi, Kanagawa, 229-1105, JP)
Oya, Taro c/o Sagamihara Research Center Teijin DuPont Films Japan Limited 37-19 (Oyama 3-chome Sagamihara-shi, Kanagawa, 229-1105, JP)
International Classes:
C08J5/18; G02B1/10; G02B5/20; G02B5/22; H01J5/08; H01J17/16; (IPC1-7): C08J5/18; G02B5/22; G02B1/10; H01J11/02
Attorney, Agent or Firm:
Ohshima, Masataka (Ohshima Patent Office Fukuya Bldg. 3, Yotsuya 4-chome Shinjuku-ku, Tokyo, 160-0004, JP)
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