Product Overview
LD-3557 is a high-performance green LED phosphor with a peak emission wavelength precisely positioned at 523nm, and a color coordinate of x=0.3488, y=0.5653. With a relative intensity of 100.54% and optimized spectral characteristics, it provides pure green light output and serves as a key component for LED white light synthesis.
With its green emission characteristics located in the most sensitive band of the human eye, LD-3557 can be widely applied in general lighting, display backlighting, traffic signals, and other applications requiring high visual efficiency.
Core Advantages
|
🟢 Pure Green Light Output 523nm peak wavelength providing pure green light in the most sensitive region of the human eye. |
⚡ High Relative Intensity 100.54% relative intensity ensuring maximum brightness and luminous efficiency performance. |
|
🎨 Precise Color Coordinates (0.3488, 0.5653) located in the green region of the chromaticity diagram for optimal color performance. |
🔧 Optimized Particle Size 11.77μm D50 particle size providing excellent dispersion and packing density for uniform light distribution. |
Not sure if this phosphor fits your application?Our engineers help 200+ companies find the right phosphor every month. Try our selection tool or talk to an expert. |
Key Performance Data
|
523 nm Peak Emission Wavelength |
100.54% Relative Intensity |
|
(0.3488, 0.5653) CIE Color Coordinates |
11.77 μm Particle Size (D50) |
Technical Specifications
| Parameter | Specification | Measured Value | Notes |
|---|---|---|---|
| Product Model | LD-3557 | — | Green phosphor |
| Lot No. | — | 20120804 | Test date: Aug. 4, 2012 |
| Peak Emission Wavelength | 523 ± 3 nm | 523 nm | Green light region |
| Relative Intensity | 100 ± 5 % | 100.54 % | High efficiency |
| CIE Chromaticity Coordinates |
x=0.348 ± 0.005 y=0.565 ± 0.005 |
x=0.3488 y=0.5653 |
Green region |
| Particle Size (D50) | 12 ± 2 μm | 11.77 μm | Optimal dispersion |
| Test Equipment | — |
Spectrophotometer: HASS 2000 Particle Size Analyzer: JX-1177 |
Professional testing |
| *All data are measured under standard laboratory testing conditions. Shelf life: 12 months. | |||
Performance Analysis
|
📊 Spectral Distribution
The spectral distribution shows a well-defined peak at 523nm, indicating pure green light emission with minimal unwanted wavelengths. |
📉 CIE Chromaticity Diagram
The chromaticity coordinates position the phosphor in the green region of the CIE diagram at (0.3488, 0.5653), confirming its pure green color characteristics. |
Recommended Applications
|
💡 General White Lighting As the green component of trichromatic white LEDs, 523nm provides high luminous efficiency output for energy-saving lighting. |
🚦 Traffic Signals Green signal light source with high brightness and high visibility, ensuring clear traffic guidance. |
|
🖥️ Display Backlighting High-efficiency green component for LED displays and LCD backlighting requiring vibrant color reproduction. |
🚗 Automotive Lighting Automotive interior lighting, dashboard illumination, and ambient lighting requiring energy-efficient green light. |
|
🚀 READY TO GET STARTED? Test This Phosphor in Your ApplicationRequest a free sample to evaluate LD-3557 in your production environment, or contact our application engineers for technical support. 🚚 Ships in 3 business days ⏰ Reply within 24 hours 📜 COA included |
Why Choose LD-3557?
|
🟢 Optimized Green Output 523nm peak wavelength precisely positioned in the green region for maximum visual efficiency and brightness perception. |
⚡ Excellent Efficiency 100.54% relative intensity ensures maximum brightness and energy efficiency for green light applications. |
|
🎨 Precise Color Control Tight tolerance on color coordinates (x=0.3488, y=0.5653) ensures consistent color performance batch after batch. |
🔧 Consistent Particle Size 11.77μm D50 particle size provides excellent dispersion and packing density for uniform light distribution in various applications. |
Packaging & Storage
| Packaging | High-seal moisture-proof bottles (100g, 500g, 1kg specifications available) |
| Storage Conditions | Store sealed in dry, cool environment (≤25℃, ≤60%RH). Avoid sunlight and corrosive gases. |
| Shelf Life | 12 months sealed; use within 6 months after opening. |
Frequently Asked Questions (FAQ)
|
❓ What makes LD-3557 different from other green phosphors? LD-3557 offers optimized performance at 523nm with high relative intensity (100.54%) and precise color coordinates, making it ideal for applications requiring maximum brightness and consistent green light output. |
❓ What chip wavelengths are compatible with LD-3557? LD-3557 is typically excited by blue LED chips in the 450-460nm range, which provides optimal energy transfer for green light emission. |
|
❓ What packaging types are suitable for LD-3557? LD-3557 works well in SMD, COB, and DIP packaging formats, with excellent dispersion properties for uniform color distribution in general lighting applications. |
❓ Do you support small-batch samples? Yes. We provide free samples with complete technical support including white light mixing solutions and performance verification for your specific application. |
Samples & Technical Support
Get LD-3557 Technical Support and Samples TodayFree green phosphor application solutions, packaging process optimization, and sample testing services. 24-hour rapid response with customized support for your specific application needs. |
