Product Overview
LD-4453 is a yellow-green phosphor specifically designed for low-power LED packaging, compatible with 460-465nm blue LED chips. This product features a 7.1μm fine particle size design with 107% relative brightness and a 3597K color temperature, producing warm white light output.
LD-4453 features a wide FWHM of 116.5nm for soft, natural light color, suitable for low-power lighting and indicator applications requiring warm white light with excellent visual comfort.
Core Advantages
🌡️ Warm White Light Output 3597K color temperature for warm, comfortable warm white effect ideal for ambient lighting. | 🌈 Ultra-Wide FWHM 116.5nm FWHM for soft, uniform light color with exceptional visual comfort. |
📏 Fine Particle Size D50=7.1μm for low-power precision packaging with excellent dispensing consistency. | 🔵 Mid-Wavelength Chip Compatibility Optimized for 460-465nm blue LED chips to avoid wavelength mismatch issues. |
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-green Emission Color | 557.8 nm Peak Wavelength |
116.5 nm FWHM (Ultra-wide) | 460–465 nm Compatible Chip Wavelength |
x = 0.4509, y = 0.5322 CIE 1931 Coordinates | 7.1 μm Particle Size (D50) |
3597 K Correlated Color Temperature | 107% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | LD-4453 | Low-power type |
| Emission Color | Yellow-green | — |
| CIE 1931 Coordinates | x = 0.4509, y = 0.5322 | — |
| Correlated Color Temperature (CCT) | 3597 K | Warm white |
| Dominant Wavelength | 571.8 nm | — |
| Peak Wavelength | 557.8 nm | Yellow-green region |
| FWHM | 116.5 nm | Ultra-wide spectrum |
| Relative Brightness | 107% | High brightness |
| Particle Size (D50) | 7.1 μm | Fine particle |
| Compatible Chip Wavelength | 460–465 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-4453 exhibits a broadband emission spectrum with a peak at 557.8nm and a FWHM of 116.5nm—one of the widest spectra in the straw hat series, with particularly soft light color. | 📉 Particle Size Distribution D50 is controlled at 7.1μm. The fine particle size ensures process stability for low-power packaging with consistent color output. |
Recommended Applications
💡 Straw Hat Type LEDs Warm white through-hole LED packages for decorative and ambient applications. | 🔔 Warm White Indicator Lights Status indicators requiring warm, comfortable light output. |
✨ Decorative Lighting Decorative and ambient lighting fixtures creating warm atmosphere. | 🔌 Electronic Product Indicators Small ambient lights and electronic device indicators. |
🚀 READY TO GET STARTED? Test This Phosphor in Your ApplicationRequest a free sample to evaluate LD-4453 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-4453?
🌡️ Warm White Dedicated 3597K color temperature for lighting applications creating warm ambiance. | 🌈 Particularly Soft Light Color 116.5nm ultra-wide FWHM for high visual comfort in ambient applications. |
🔵 Mid-Wavelength Adaptation Dedicated for 460-465nm chips to avoid wavelength mismatch issues, ensuring optimal color 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)
❓ Which chips is LD-4453 compatible with? LD-4453 is designed for 460-465nm blue LED chips. For 455-460nm chips, LD-4255 is recommended. | ❓ What is the difference from LD-4453L? LD-4453 has a 7.1μm particle size (low-power packaging), while LD-4453L has a 9.6μm particle size (high-power packaging), with different color temperatures. |
❓ Can LD-4453 be blended with other phosphors? Yes. LD-4453 can be blended with other phosphors to achieve different color temperatures or improve CRI. | ❓ Do you offer small-batch samples? Yes. We can provide 50–100g evaluation samples for testing and verification. |
Samples & Technical Support
Get LD-4453 Technical Support and Samples TodayWe offer small-batch sample services for testing and validation. Contact our technical and sales team. |
