Silicate Phosphor Powder

Silicate Phosphor Powder

LD-5841 Orange-Red LED Phosphor Powder | 600nm Silicate Phosphor for Blue Chips


Product Overview

LD-5841 is an orange-red emitting LED phosphor powder that produces stable orange-red light output when excited by 450–460 nm blue LED chips.   The product features well-defined dominant wavelength and peak wavelength characteristics with concentrated emission spectrum, making it suitable for indicator lights, signal lighting, and customized light source applications.

This product utilizes a medium-to-large particle size design with concentrated particle size distribution, which helps improve stability during the packaging process.   It is suitable for SMD and high-power LED packaging processes.

Core Advantages

🎯 Efficient Blue Chip Excitation

Specifically designed for 450–460 nm blue LED chips, delivering stable excitation response within this wavelength range with consistent orange-red light output.

🌈 Pure and Stable Orange-Red Color

Dominant wavelength approximately 591 nm, peak wavelength approximately 600 nm, with high color saturation. Ideal for applications requiring precise color recognition.

⚙️ Compatible with High-Power Packaging

D50 particle size of 21–23 μm meets the requirements for SMD and high-power LED packaging, offering strong process adaptability.

📐 Concentrated Spectrum for Easy System Design

FWHM (Full Width at Half Maximum) of 80.6 nm maintains adequate spectral width while ensuring color stability and system controllability.

Key Performance Data

591.4 nm

Dominant Wavelength

600 nm

Peak Wavelength

80.6 nm

FWHM

450–460 nm

Excitation Wavelength

54%

Relative Brightness

21–23 μm

Particle Size (D50)

Technical Specifications

ParameterSpecificationNotes
Product ModelLD-5841
Emission ColorOrange-red
CIE 1931 Coordinatesx = 0.5830, y = 0.4158Stable color region
Relative Brightness54%Reference value
Dominant Wavelength591.4 nm
Peak Wavelength600 nm
FWHM80.6 nm
Color Temperature1628 KReference CCT
Particle Size (D50)21–23 μm
Excitation Wavelength450–460 nmBlue LED chip
Packaging CompatibilitySMD / High-power
*All parameters are based on standard laboratory test conditions; actual performance may vary in application.

Performance Analysis

📊 Emission Spectrum Characteristics

spectrum-chart.png

LD-5841 exhibits typical orange-red emission characteristics under blue light excitation, with the peak located at 600 nm and main emission energy concentrated in the orange-red band. This spectral characteristic helps achieve clear and stable color performance in applications, making it suitable for signal, indicator, and decorative light source designs.

📉 Particle Size Distribution

particle-size.png

The product features a medium-to-large particle size design with concentrated distribution, which helps maintain good dispersion and settling stability in high-power packaging or thick adhesive layer applications, reducing color variation risks in mass production.

Recommended Applications

🚦 Indicator & Signal Lighting

Status indicators, signal lights, warning lights, and other applications requiring high-recognition color output

🖥️ Specialty Color Displays

Functional indicator display modules, decorative display units, and non-wide-gamut display applications

🎨 Decorative & Ambient Lighting

Auxiliary light sources or color accents in decorative lighting and ambient lighting applications

🔦 Customized Functional Light Sources

Customized indicator or functional light source systems with specific color output requirements

Why Choose LD-5841?

🔵 Clear Blue Chip Compatibility

Designed for 450–460 nm blue LED chips with straightforward application solutions.

🌈 Stable and Reliable Orange-Red Color

Well-defined dominant and peak wavelengths ensure excellent color consistency.

⚙️ Suitable for High-Power Packaging

Rational particle size design balances luminous efficacy and process stability.

📐 Transparent Technical Parameters

Complete specifications facilitate system design and product selection.

Packaging & Storage

ItemDescription
PackagingHigh-seal moisture-proof packaging, suitable for shipping and long-term storage
Storage ConditionsStore sealed in a dry, cool environment. Avoid high temperature, high humidity, and direct sunlight
Usage RecommendationsUse promptly after opening. Reseal unused portions

Frequently Asked Questions (FAQ)

❓ What blue LED chips is LD-5841 compatible with?

LD-5841 is compatible with blue LED chips in the 450–460 nm wavelength range.

❓ What are the advantages of 21–23 μm particle size?

Medium-to-large particle size is suitable for high-power packaging and thick adhesive layer applications, helping maintain dispersion stability and process consistency.

❓ Is it suitable for high-power applications?

Yes, LD-5841 has a larger particle size and is suitable for high-power packaging applications.

❓ How should the 54% relative brightness be understood?

This indicates the brightness level relative to a reference sample under standard test conditions, suitable for indicator, decorative, and functional application requirements.

Samples & Technical Support

Get LD-5841 Technical Support and Samples Today

We offer small-batch sample services for testing and validation before mass production. For sample requests, parameter confirmation, or application solution support, please contact our technical and sales team.

📧 Contact Sales  🧪 Request Samples  📄 Download Datasheet

TAG: Orange-Red Phosphor Silicate Phosphor 600nm LED Phosphor

Leader Lighting

Professional Semiconductor Lighting Phosphor Materials Supplier

Company Profile

Leader Lighting was established in 2009 as a high-tech enterprise specializing in the R&D, production, sales, and services of semiconductor lighting phosphor materials.

🎓 World-Class R&D Team

Our R&D team is led by Professor Vishnyakov from Mendeleev University of Chemical Technology of Russia, with members including doctoral experts from:

  • 🇬🇧 United Kingdom
  • 🇺🇸 United States
  • 🇷🇺 Russia
  • 🇨🇳 Tsinghua University of China

Expertise: Over 20 years of technical expertise in inorganic structural chemistry and phosphor material research


Intellectual Property Protection

Leader Lighting has established a comprehensive patent protection system in intellectual property, holding:

10+ Invention Patents Comprehensive phosphor technology coverage Global Coverage USA, EU, Russia, China, PCT international patents

Complete technical barrier formation


Global Market Presence

🌍 20+ Countries & Regions
Worldwide Exports
🤝 Partnership OSRAM, GE, SEMILEDS
International Leaders
✨ Applications Multiple Industries
Diverse Solutions

Application Fields

  • 📺 Display Backlighting - LCD, LED displays and TV panels
  • 💡 Indoor Lighting - Residential, commercial and office environments
  • 🚗 Automotive Lighting - Headlights, interior and ambient lighting
  • 🎬 Projectors - High-brightness projection systems
  • 🏢 Commercial Applications - Specialized lighting solutions

R&D Capabilities

Leader Lighting focuses on the technical development of LED lighting luminescent materials, with deep theoretical foundation and rich practical experience in phosphor crystal structure design and formula optimization.

🔬 Technical Innovation Continuous technological advancement through international client cooperation 📦 Product Diversity Expanding product range and applicability for diverse markets

HB Series Phosphor Product Line

Color Temperature Range 2700K - 6500K
LED Chip Compatibility 430-478nm blue LED chips
Customization Customized color temperature and color rendering index solutions available

Quality Certifications

Leader Lighting strictly adheres to international quality management standards. Our products have passed authoritative certifications, ensuring that each batch meets environmental, health, and safety requirements.

CNAS China National Accreditation RoHS EU Directive Compliant SGS International Verification

Quality Assurance: Providing customers with stable and reliable lighting material solutions


Why Choose Leader Lighting?

🎓 Expert Leadership

International research team with 20+ years of expertise in phosphor materials

🔐 Intellectual Property Protection

10+ patents forming complete technical barriers across major markets

🌍 Global Partnerships

Trusted by industry leaders: OSRAM, GE, SEMILEDS

✅ Quality Certifications

CNAS, RoHS, SGS certified - meeting international standards

🎯 Customization Services

Tailored solutions for specific color temperature and CRI requirements

Partner With Leader Lighting

Professional phosphor solutions backed by world-class R&D and global quality standards