Hirotec Corporation

Douglas V Kaz

Komei L Shibata

A photostorage and emission material with technology for altering color and methods of manufacturing same. The component is composed of at least one luminescent material and at least one fluorescent colorant and/or optical brightener component. The luminescent component absorbs energy from a light source and continues to re-emits the light energy in or first wavelength spectrum when the light source is removed. This energy excites another component including a fluorescent colorant and/or optical brightener material which is excited by absorbing light at the first wavelength spectrum and re-radiating the absorbed light at a second wavelength spectrum. The optical properties of each material are closely matched so that the emission spectrum of luminescent materials stimulate the excitation spectrum of the fluorescent and/or optical brightener materials. Practical applications include uses in plastic components, liquid resins, paints, printing inks, powder coatings for metals, fabric dyes, ceramic glazes, pad printing inks, decals, hot stamp decoration of plastic and powder coating.

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Santa Ana, CA, United States of America

Douglas V Kaz