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Yamada Chemical Co., Ltd.
 
Business hours 8:30-17:10 Japan Time (weekdays)
 
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Specific Wavelength Absorption Dyes

Yamada Chemical offers a large number of dyes that selectively absorb light in a specific wavelength range from the visible light region to the near infrared light region (400-1000nm).
These dyes can be used for various applications such as display devices, functional lenses, and heat ray shielding (heat shielding) materials.
In addition to "solubility" in various solvents, dyes that pursue "durability (light resistance, heat resistance)" also have excellent processability with resins, and realize "permeability" that is unique to organic dyes.
In addition to the line-up products, we will propose dyes from abundant libraries to meet customer needs.

Visible Light Absorbing Materials

Yamada Chemical's visible light absorbing materials can selectively absorb light with a specific wavelength in the visible light region (400-750 nm).
These materials are being studied for various applications such as organic solar cells and organic electrochromic materials, as well as their track record of use in thin display products.
 
We propose dyes that meet customer needs such as high durability (light resistance, heat resistance), high transparency, and high solubility. We have a variety of half-widths and can respond to a wide range of wavelengths, from narrow to wide.

Near-infrared-light Absorbing Material

Yamada Chemical has developed near-infrared light absorbing materials including functional phthalocyanines (naphthalocyanines).
In addition to the selective absorption of light in the near infrared region (750-1000 nm), these materials also achieve the high transparency that is unique to organic dyes.
 
In addition to durability (light resistance, heat resistance), high transparency, and excellent solubility in various solvents, processability into resin has also been improved. These dyes are attracting attention as new applications such as heat ray shielding materials, anti-counterfeit inks, and various sensor applications.
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