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US 2011/0012073 A1Published application
Optical film for suppressing near infrared ray transmittance and display filter using the same
AssigneeCheil Industries Inc.
InventorsYoung Kwon Koo, Byoung Hoo Lee, Kyoung Ku Kang
Life of this patent
Estimating the term…
Abstract
An optical film includes a near-infrared absorbing layer, the near-infrared absorbing layer containing at least one colorant having a maximum absorption wavelength in the range of 900 nm to 1,100 nm, and a transparent copolymer resin containing fine rubber particles.
Claims16
An optical film, comprising:
- a near-infrared absorbing layer, the near-infrared absorbing layer containing:
- at least one colorant having a maximum absorption wavelength in the range of 900 nm to 1,100 nm, and
- a transparent copolymer resin containing fine rubber particles.
Dependencies are inferred from the claim text.