LIGHT ABSORBING COMPOSITION AND OPTICAL FILTER

• Main Authors: KUBO YUICHIRO, SHINMO KATSUHIDE
• Format: Patent
• Language: English; Japanese
• Published: 25.04.2019
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TRANSPORTING

To provide an optical filter which is advantageous in obtaining spectral sensitivity of an imaging device that is closer to visibility of human eyes.SOLUTION: A light absorbing composition of the present invention contains a light absorbent made from phosphonic acid represented by a formula (a) belo...