Product Overview
LD-4751 is a yellow-green phosphor specifically designed for low-power LED packaging, compatible with 465-470nm blue LED chips. This product features a 7.01μm fine particle size design with a 4000K color temperature, producing natural white light output.
LD-4751 features a wide FWHM of 124.6nm with spectrum extending into the red region, suitable for low-power lighting applications with high requirements for color uniformity and comfort.
Core Advantages
🌈 Ultra-Wide Spectrum Emission 124.6nm FWHM with spectrum extending toward red for rich light color. | 🌡️ Standard Natural White Light 4000K color temperature balancing brightness and comfort. |
📏 Fine Particle Size D50=7.01μm for low-power precision packaging. | 🔵 Mid-Long Wavelength Compatibility Optimized for 465-470nm blue LED chips. |
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Key Performance Data
Yellow-green 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 | 7.01 μm Particle Size (D50) |
4000 K Correlated Color Temperature | 90% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | LD-4751 | Low-power type |
| Emission Color | Yellow-green | — |
| 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-green region |
| FWHM | 124.6 nm | Ultra-wide spectrum |
| Relative Brightness | 90% | Stable brightness |
| Particle Size (D50) | 7.01 μm | Fine particle |
| Compatible Chip Wavelength | 465–470 nm | Blue LED chip |
| Suitable Packaging Type | Straw hat / DIP | Low-power type |
| Shelf Life | 24 months | Sealed storage |
| *All parameters are based on standard laboratory test conditions. | ||
Performance Analysis
📊 Spectral Characteristics LD-4751 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 7.01μm. The fine particle size ensures uniform dispensing for low-power packaging. |
Recommended Applications
💡 Straw Hat Type LEDs Through-hole LED packages for natural white applications. | 🔌 Piranha LEDs Piranha-style packages for indicator lighting. |
📖 Reading Lamps Reading lamps and desk lamp light sources. | 🔔 Natural White Indicators Status indicators requiring natural white output. |
🚀 READY TO GET STARTED? Test This Phosphor in Your ApplicationRequest a free sample to evaluate LD-4751 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-4751?
🌈 Ultra-Wide Spectrum 124.6nm FWHM for rich, natural light color. | 🌡️ Standard Natural White 4000K color temperature balancing brightness and comfort. |
🔵 Mid-Long Wavelength Dedicated Best matching choice for 465-470nm chips, ensuring optimal color performance and efficiency. | |
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)
❓ Why does LD-4751 have a wider FWHM? LD-4751 is designed as an ultra-wide spectrum model. The 124.6nm FWHM extends the spectrum toward red, helping improve white light comfort and color rendering. | ❓ Is 90% relative brightness low? 90% relative brightness is a normal level. Wide spectrum models focus on light color quality rather than extreme brightness. |
❓ Can it be blended with other phosphors? Yes. LD-4751 can be blended with other phosphors for different color temperatures 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-4751 Technical Support and Samples TodayWe offer small-batch sample services for testing and validation. Contact our technical and sales team. |
