Near infrared ray shielding film

A near infrared screening laminated film which comprises (A′) a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C., a weight change rate of 10 wt % or less when it is kept at 280° C. for 30 minutes and an electromagnetic shielding film formed on at least one side of the biaxially oriented film, and which has (B) a haze value of 5% or less, (C) a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more, and (D′) optical properties at visible and near infrared ranges which satisfy the following expressions (1), (2), (5) and (6):

• 1<T(850)<20 (1)
• 1<T(950)<20 (2)
• 0.7≦T(620)/T(540)≦1.3 (5)
• 0.7≦T(450)/T(540)≦1.3 (6)
• wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively.

A near infrared screening film which consists of (A) a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C. and a weight change rate of 10 wt % or less when it is kept at 280° C. for 30 minutes and which has (B) a haze value of 5% or less, (C) a total transmittance for visible lights having a wavelength of 400 to 650 nm of 60% or more and (D) optical properties at visible and near infrared ranges which satisfy the following expressions (5), (6), (7) and (8):

• 5≦T(850)≦57 (7)
• 20≦T(950) (8)
• 0.7≦T(620)/T(540)≦1.3 (5)
• 0.7≦T(450)/T(540)≦1.3 (6)
• wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450, 540, 620, 850 and 950 nm, respectively.

A near infrared screening laminated film which consists of (A′) a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C., a weight change rate of 10 wt % or less when it is kept at 280° C. for 30 minutes and an electromagnetic shielding film formed on at least one side of the biaxially oriented film, which near infrared screening laminated film has (B) a haze value of 5% or less, (C) a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more, and (D′) optical properties at visible and near infrared ranges which satisfy the following expressions (1), (2), (5) and (6):

• 1<T(850)<20 (1)
• 1<T(950)<20 (2)
• 0.7≦T(620)/T(540)≦1.3 (5)
• 0.7≦T(450)/T(540)≦1.3 (6)
• wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively, and
• wherein the biaxially oriented film (A′) of the near infrared screening laminated film has a haze value of 5% or less and optical properties at visible and near infrared ranges which satisfy the following expressions (5), (6), (7) and (8):
• 5≦T(850)≦57 (7)
• 20≦T(950) (8)
• 0.7≦T(620)/T(540)≦1.3 (5)
• 0.7≦T(450)/T(540)≦1.3 (6)
• wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively.

A near infrared screening laminated film which consists of (A′) a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C., a weight change rate of 10 wt % or less when it is kept at 280° C. for 30 minutes and an electromagnetic shielding film formed on at least one side of the biaxially oriented film, which near infrared screening laminated film has (B) a haze value of 5% or less, (C) a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more, and (D′) optical properties at visible and near infrared ranges which satisfy the following expressions (1), (2), (5) and (6):

• 1<T(850)<20 (1)
• 1<T(950)<20 (2)
• 0.7≦T(620)/T(540)≦1.3 (5)
• 0.7≦T(450)/T(540)≦1.3 (6)
• wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively, and
• wherein the biaxially oriented film (A′) of the near infrared screening film has optical properties at visible and near infrared ranges which satisfy the following expressions (7)-1 and (8)-1:
• 10≦T(850)≦28 (7)-1
• 20≦T(950)≦55 (8)-1
• wherein T(850) and T(950) are light transmittances at wavelengths of 850 nm and 950 nm, respectively.