Product Overview
LD-4751L is a yellow phosphor specifically designed for high-power LED packaging, compatible with 465-470nm blue LED chips. This product features a 9.6μm particle size design with a 4000K color temperature, producing natural white light output.
LD-4751L features a wide FWHM of 124.6nm with spectrum extending toward the red region, suitable for high-power lighting applications with higher requirements for light color comfort and quality.
Core Advantages
🌈 Ultra-Wide Spectrum Emission 124.6nm FWHM with spectrum extending toward red for rich light color. | 🌡️ Standard Natural White 4000K color temperature balancing brightness and comfort. |
💪 High-Power Compatibility 9.6μm particle size for stable settling, suitable for high-power packaging. | 🔵 Mid-Long Wavelength Matching Optimized for 465-470nm blue LED chips with efficient conversion. |
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
Yellow Emission Color | 567.1 nm Peak Wavelength |
124.6 nm FWHM (Ultra-wide) | 465–470 nm Compatible Chip Wavelength |
x = 0.4806, y = 0.5085 CIE 1931 Coordinates | 9.6 μm Particle Size (High-power) |
4000 K Correlated Color Temperature | 90% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | LD-4751L | High-power type |
| Emission Color | Yellow | — |
| CIE 1931 Coordinates | x = 0.4806, y = 0.5085 | — |
| Correlated Color Temperature (CCT) | 4000 K | Natural white |
| Dominant Wavelength | 575.9 nm | — |
| Peak Wavelength | 567.1 nm | Yellow region |
| FWHM | 124.6 nm | Ultra-wide spectrum |
| Relative Brightness | 90% | Stable brightness |
| Particle Size (D50) | 9.6 μm | High-power type |
| Compatible Chip Wavelength | 465–470 nm | Blue LED chip |
| Suitable Packaging Type | High-power / COB | — |
| Shelf Life | 24 months | Sealed storage |
| *All parameters are based on standard laboratory test conditions. | ||
Performance Analysis
📊 Spectral Characteristics LD-4751L exhibits an ultra-broadband emission spectrum with a peak at 567.1nm and a FWHM of 124.6nm. The spectrum extends toward the red region, helping improve white light comfort and color rendering. | 📉 Particle Size Distribution D50 is controlled at 9.6μm, suitable for high-power packaging processes with stable settling characteristics. |
Recommended Applications
💡 High-Power Natural White High-power natural white light sources for quality lighting. | 🏬 Commercial Lighting Commercial spaces requiring comfortable illumination. |
🏢 Office Lighting Office environments with high visual comfort requirements. | 📖 Reading & Quality Lighting Reading lamps and high-quality lighting fixtures. |
🚀 READY TO GET STARTED? Test This Phosphor in Your ApplicationRequest a free sample to evaluate LD-4751L 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-4751L?
🌈 Ultra-Wide Spectrum 124.6nm FWHM for rich, natural light color with high comfort. | 🌡️ Standard Natural White 4000K color temperature for wide application scenarios. |
💪 High-Power Compatible 9.6μm particle size compatible with high-power packaging processes for optimal performance. | |
Packaging & Storage
| Packaging | High-seal moisture-proof bottles suitable for long-term storage and transportation |
| Storage Conditions | Store sealed in a dry, cool environment. Avoid direct sunlight, high temperature, and high humidity. |
| Usage Recommendations | Use promptly after opening; reseal unused portions to minimize moisture exposure. |
| Shelf Life | 24 months under recommended sealed storage conditions |
Frequently Asked Questions (FAQ)
❓ What is the difference between LD-4751L and LD-4751? Both have identical optical parameters (color temperature, brightness, FWHM). The difference is particle size: LD-4751L is 9.6μm (high-power), LD-4751 is 7.01μm (low-power). | ❓ What quality lighting applications is it suitable for? LD-4751L's ultra-wide spectrum characteristics make it suitable for applications with higher light color quality requirements, such as commercial displays, office reading, and high-end hotels. |
❓ Can it be blended with other phosphors? Yes. LD-4751L can be blended with other phosphors for color temperature adjustment or CRI improvement. | ❓ Do you offer small-batch samples? Yes. We can provide 50–100g evaluation samples for testing and verification. |
Samples & Technical Support
Get LD-4751L Technical Support and Samples TodayWe offer small-batch sample services for testing and validation. Contact our technical and sales team. |
