US Patent 7327517 Optical multilayer film and reflective screen
Patent 7327517 was granted and assigned to Sony on February, 2008 by the United States Patent and Trademark Office.
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An optical multilayer film and reflective screen are provided. An optical multilayer film includes an optical laminate A including a plurality of types of optical layers having different refractive indices laminated on each other, the optical laminate A having a reflection characteristic in which the reflectance peak intensities in the red, green, and blue wavelength regions are substantially the same; and an optical laminate B including a plurality of types of optical layers having different refractive indices laminated on each other, the optical laminate B having a reflection characteristic in which the bottom of the reflectance curve lies in the green wavelength region.
US Patent 07327517 Optical multilayer film and reflective screen US Patent 7327517 Optical multilayer film and reflective screen
US Patent 07327517 Optical multilayer film and reflective screen
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