GLS462 Visible Light Absorbing Dye – 462nm Peak for Blue Light Blocking, Laser Protection and Optical Filters

LS462 is a specialized visible light absorbing dye with stable absorption at 462nm. It features good solubility, strong light stability, and uniform dispersion in resins and coating systems. It is widely used in optical filters, anti-counterfeiting inks, and precision optical components requiring reliable spectral control.

Key Features

Peak absorption wavelength: 462nm ± 3nm (in MC) – optimized for blue light attenuation
Bright orange-yellow powder appearance
Excellent stability for long-term performance
Provides bright colors with consistent batch-to-batch quality
Good compatibility with thermoplastic resins, plastics, textiles, and inks
Suitable for both transparent coloring and functional optical applications
Precise wavelength control for IR cut-off filters and anti-counterfeiting

Typical Product Specifications

Absorption wavelength: 462±3nm (measured in MC)
Appearance: Orange yellow powder
Solubility: Soluble in methylene chloride

Key Applications of Visible Light Sensitive Dyes of GLS462

Optical Filters & Light Management Films

GLS462 selectively absorbs 462nm blue-violet light to improve contrast, reduce glare, and enhance imaging clarity in camera modules, sensors, and optical devices.

Anti-Counterfeiting Ink & Security Printing

It provides a stable 462nm absorption signal for covert markings, authentication labels, and high-security printing that can be verified with dedicated detection equipment.

Precision Optical Components

Used in optical sensors, display films, and light control components to achieve accurate spectral filtering and stable optical performance.

Frequently Asked Questions (FAQ)

Q: What is the primary application for GLS462?

A: GLS462 is primarily used for blue light blocking applications, including laser protective glasses, welding glasses, and blue light attenuation in display materials. It is also widely used for transparent coloring of thermoplastic resins, textile dyeing, IR cut-off filters, and anti-counterfeiting inks.

Q: What light sources does GLS462 block effectively?

A: GLS462 provides strong absorption at 462nm ± 5nm, making it effective against blue lasers and high-intensity blue light sources in the 455–470nm range. It is particularly suitable for protection against blue laser emissions and for blue light hazard reduction.

Q: Is GLS462 suitable for polycarbonate laser safety glasses?

A: Yes. GLS462 is compatible with polycarbonate and can be compounded at 0.1–0.35% loading to achieve effective blue light protection. We recommend testing with your specific processing conditions.

Q: Can GLS462 be used for textile applications?

A: Yes. GLS462 provides bright colors with excellent stability for textile dyeing and printing applications. Contact our technical team for specific recommendations based on your fiber type.