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US 8,477,415 B2Granted
Multifunctional optical sheet having light shielding property
AssigneeS-Polytech Co., Ltd.
InventorsSeong Gyu Choi, Ki Sung Nam
Life of this patent
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Abstract
A multifunctional optical sheet having a light shielding property is provided, which includes polycarbonate, a metal mixture, and a pigment. Since the metal mixture is composed of chrome, iron, and nickel, the visible light transmittance is improved, and the infrared rays are intercepted.
Claims3
A multifunctional optical sheet having a light shielding property, comprising polycarbonate, a metal mixture, and a pigment;
- the multifunctional optical sheet having a light shielding property wherein the multifunctional optical sheet comprises 93.5 to 98.99 parts by weight of the polycarbonate, 0.01 to 1.5 parts by weight of the metal mixture, and 1.0 to 5.0 parts by weight of the pigment.
Dependencies are inferred from the claim text.