Product Overview
LD-4155 is a high-performance yellow-green phosphor powder specifically designed for low-power LED packaging, compatible with 450-455nm blue LED chips. Under blue light excitation, this YAG-based LED phosphor emits yellow-green light with a peak wavelength of 542 nm, making it ideal for indicator lights and small-scale lighting applications.
This premium phosphor features a 7.4μm fine particle size design with excellent fluidity, suitable for straw hat type LEDs, piranha type DIP packaging, and small-size SMD packaging. With a relative brightness of 110.28% and a correlated color temperature of 4122K, LD-4155 produces natural white light output that meets the demanding requirements of modern LED lighting and display applications.
Core Advantages of LD-4155 Yellow-Green Phosphor
📏 Fine Particle Size Design D50=7.4μm ultra-fine particle size with excellent fluidity for precision dispensing in low-power LED packaging applications and automatic coating processes. | ⚡ High Relative Brightness 110.28% relative brightness delivers outstanding luminous efficacy even for low-power applications, maximizing LED light output. |
🌡️ Natural White Light Output 4122K color temperature produces natural, comfortable white light suitable for indicator LEDs, backlighting, and general illumination applications. | 🔵 Short-Wave Blue LED Compatibility Optimized excitation spectrum for 450-455nm blue LED chips with efficient wavelength conversion and high quantum efficiency. |
Not sure if this phosphor fits your application?Our engineers help 200+ companies find the right LED phosphor every month. Try our selection tool or talk to an expert. |
Key Performance Data
Yellow-green Emission Color | 542 nm Peak Wavelength |
111.1 nm FWHM (Full Width at Half Maximum) | 450–455 nm Compatible Blue LED Chip Wavelength |
x = 0.4195, y = 0.5519 CIE 1931 Color Coordinates | 7.4 μm Particle Size (D50) |
4122 K Correlated Color Temperature (CCT) | 110.28% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | LD-4155 | Low-power LED phosphor |
| Emission Color | Yellow-green | — |
| CIE 1931 Coordinates | x = 0.4195, y = 0.5519 | — |
| Correlated Color Temperature (CCT) | 4122 K | Natural white light |
| Dominant Wavelength | 567.6 nm | — |
| Peak Wavelength | 542 nm | Yellow-green emission region |
| FWHM | 111.1 nm | Broad spectrum emission |
| Relative Brightness | 110.28% | High brightness output |
| Particle Size (D50) | 7.4 μm | Fine particle for low-power packaging |
| Compatible Chip Wavelength | 450–455 nm | Blue LED chip excitation |
| Suitable LED Packaging Type | Straw hat / Piranha DIP / SMD | Low-power applications |
| Shelf Life | 24 months | Sealed storage conditions |
| *All parameters are based on standard laboratory test conditions (25°C, 50% RH). Actual performance may vary with package design, resin system, and process conditions. | ||
Not Sure If This Is the Right Match?Explore our intelligent phosphor selection tools to find the perfect LED phosphor for your application, or let our experts customize a solution tailored to your specific requirements. |
Performance Analysis
📊 Spectral Characteristics LD-4155 yellow-green LED phosphor exhibits a broadband emission spectrum with a peak at 542nm and an FWHM of 111.1nm. Combined with 450-455nm blue LED chips, it produces approximately 4122K natural white light suitable for various lighting applications. | 📉 Particle Size Distribution D50 is controlled at 7.4μm, providing excellent fluidity suitable for automatic dispensing processes in low-power LED packaging applications including straw hat and piranha type LEDs. |
Recommended Applications for LD-4155 Phosphor
💡 Straw Hat Type LEDs Traditional through-hole straw hat LED packages for indicator lights, display panels, and general illumination applications requiring natural white light. | 🔌 Piranha LEDs Piranha-style DIP LED packages for automotive interior lighting, signal indicators, and high-density display applications. |
🔔 Indicator Lights Status indicators, power LEDs, and signaling applications requiring consistent natural white light output with high visibility. | 📱 Electronic Backlighting Small-scale LED backlighting for electronic devices, instrument panels, and display modules requiring uniform light distribution. |
🚀 READY TO GET STARTED? Test This LED Phosphor in Your ApplicationRequest a free phosphor sample to evaluate LD-4155 yellow-green phosphor in your production environment, or contact our application engineers for technical support and custom formulation services. 🚚 Ships in 3 business days ⏰ Reply within 24 hours 📜 COA included |
Why Choose LD-4155 Yellow-Green Phosphor?
📏 Low-Power LED Dedicated 7.4μm fine particle size specifically optimized for low-power LED packaging processes with excellent fluidity and dispensing characteristics. | 🌡️ Natural White Light 4122K color temperature between warm white and neutral white, providing comfortable illumination suitable for diverse LED lighting applications. |
⚡ High Luminous Efficacy 110.28% relative brightness ensures no sacrifice in luminous efficacy for low-power applications, delivering optimal performance and energy efficiency for your LED products. | |
Packaging & Storage
| Packaging | High-seal moisture-proof bottles suitable for long-term phosphor storage and safe transportation |
| Storage Conditions | Store LED phosphor sealed in a dry, cool environment. Avoid direct sunlight, high temperature, and high humidity. |
| Usage Recommendations | Use phosphor promptly after opening; reseal unused portions to minimize moisture exposure and maintain quality. |
| Shelf Life | 24 months under recommended sealed storage conditions |
Frequently Asked Questions (FAQ) About LD-4155 Phosphor
❓ What LED packaging types is LD-4155 phosphor suitable for? LD-4155 is designed for low-power LED packaging, including straw hat type LEDs, piranha type DIP packaging, and small-size SMD packaging applications. | ❓ What is the difference between LD-4155 and LD-4155L phosphor? LD-4155 has a 7.4μm particle size (low-power packaging), while LD-4155L has a 9.6μm particle size (high-power packaging). Color temperature also differs: LD-4155 is 4122K, LD-4155L is 7000K. |
❓ Can LD-4155 yellow-green phosphor be blended with other phosphors? Yes. LD-4155 can be blended with red phosphor to improve CRI (Color Rendering Index) or achieve different color temperatures for various LED lighting applications. | ❓ Do you offer small-batch LED phosphor samples? Yes. We provide 50–100g evaluation samples for testing and verification before mass production. Contact our sales team for free phosphor sample requests. |
Samples & Technical Support
Get LD-4155 LED Phosphor Technical Support and Free Samples TodayWe offer small-batch phosphor sample services for testing and validation before mass production. For sample requests, parameter confirmation, or custom phosphor application solution support, please contact our technical and sales team. |
Product Overview
LD-4155 is a high-performance yellow-green phosphor powder specifically designed for low-power LED packaging, compatible with 450-455nm blue LED chips. Under blue light excitation, this YAG-based LED phosphor emits yellow-green light with a peak wavelength of 542 nm, making it ideal for indicator lights and small-scale lighting applications.
This premium phosphor features a 7.4μm fine particle size design with excellent fluidity, suitable for straw hat type LEDs, piranha type DIP packaging, and small-size SMD packaging. With a relative brightness of 110.28% and a correlated color temperature of 4122K, LD-4155 produces natural white light output that meets the demanding requirements of modern LED lighting and display applications.
Core Advantages of LD-4155 Yellow-Green Phosphor
📏 Fine Particle Size Design D50=7.4μm ultra-fine particle size with excellent fluidity for precision dispensing in low-power LED packaging applications and automatic coating processes. | ⚡ High Relative Brightness 110.28% relative brightness delivers outstanding luminous efficacy even for low-power applications, maximizing LED light output. |
🌡️ Natural White Light Output 4122K color temperature produces natural, comfortable white light suitable for indicator LEDs, backlighting, and general illumination applications. | 🔵 Short-Wave Blue LED Compatibility Optimized excitation spectrum for 450-455nm blue LED chips with efficient wavelength conversion and high quantum efficiency. |
Not sure if this phosphor fits your application?Our engineers help 200+ companies find the right LED phosphor every month. Try our selection tool or talk to an expert. |
Key Performance Data
Yellow-green Emission Color | 542 nm Peak Wavelength |
111.1 nm FWHM (Full Width at Half Maximum) | 450–455 nm Compatible Blue LED Chip Wavelength |
x = 0.4195, y = 0.5519 CIE 1931 Color Coordinates | 7.4 μm Particle Size (D50) |
4122 K Correlated Color Temperature (CCT) | 110.28% Relative Brightness |
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Model | LD-4155 | Low-power LED phosphor |
| Emission Color | Yellow-green | — |
| CIE 1931 Coordinates | x = 0.4195, y = 0.5519 | — |
| Correlated Color Temperature (CCT) | 4122 K | Natural white light |
| Dominant Wavelength | 567.6 nm | — |
| Peak Wavelength | 542 nm | Yellow-green emission region |
| FWHM | 111.1 nm | Broad spectrum emission |
| Relative Brightness | 110.28% | High brightness output |
| Particle Size (D50) | 7.4 μm | Fine particle for low-power packaging |
| Compatible Chip Wavelength | 450–455 nm | Blue LED chip excitation |
| Suitable LED Packaging Type | Straw hat / Piranha DIP / SMD | Low-power applications |
| Shelf Life | 24 months | Sealed storage conditions |
| *All parameters are based on standard laboratory test conditions (25°C, 50% RH). Actual performance may vary with package design, resin system, and process conditions. | ||
Not Sure If This Is the Right Match?Explore our intelligent phosphor selection tools to find the perfect LED phosphor for your application, or let our experts customize a solution tailored to your specific requirements. |
Performance Analysis
📊 Spectral Characteristics LD-4155 yellow-green LED phosphor exhibits a broadband emission spectrum with a peak at 542nm and an FWHM of 111.1nm. Combined with 450-455nm blue LED chips, it produces approximately 4122K natural white light suitable for various lighting applications. | 📉 Particle Size Distribution D50 is controlled at 7.4μm, providing excellent fluidity suitable for automatic dispensing processes in low-power LED packaging applications including straw hat and piranha type LEDs. |
Recommended Applications for LD-4155 Phosphor
💡 Straw Hat Type LEDs Traditional through-hole straw hat LED packages for indicator lights, display panels, and general illumination applications requiring natural white light. | 🔌 Piranha LEDs Piranha-style DIP LED packages for automotive interior lighting, signal indicators, and high-density display applications. |
🔔 Indicator Lights Status indicators, power LEDs, and signaling applications requiring consistent natural white light output with high visibility. | 📱 Electronic Backlighting Small-scale LED backlighting for electronic devices, instrument panels, and display modules requiring uniform light distribution. |
🚀 READY TO GET STARTED? Test This LED Phosphor in Your ApplicationRequest a free phosphor sample to evaluate LD-4155 yellow-green phosphor in your production environment, or contact our application engineers for technical support and custom formulation services. 🚚 Ships in 3 business days ⏰ Reply within 24 hours 📜 COA included |
Why Choose LD-4155 Yellow-Green Phosphor?
📏 Low-Power LED Dedicated 7.4μm fine particle size specifically optimized for low-power LED packaging processes with excellent fluidity and dispensing characteristics. | 🌡️ Natural White Light 4122K color temperature between warm white and neutral white, providing comfortable illumination suitable for diverse LED lighting applications. |
⚡ High Luminous Efficacy 110.28% relative brightness ensures no sacrifice in luminous efficacy for low-power applications, delivering optimal performance and energy efficiency for your LED products. | |
Packaging & Storage
| Packaging | High-seal moisture-proof bottles suitable for long-term phosphor storage and safe transportation |
| Storage Conditions | Store LED phosphor sealed in a dry, cool environment. Avoid direct sunlight, high temperature, and high humidity. |
| Usage Recommendations | Use phosphor promptly after opening; reseal unused portions to minimize moisture exposure and maintain quality. |
| Shelf Life | 24 months under recommended sealed storage conditions |
Frequently Asked Questions (FAQ) About LD-4155 Phosphor
❓ What LED packaging types is LD-4155 phosphor suitable for? LD-4155 is designed for low-power LED packaging, including straw hat type LEDs, piranha type DIP packaging, and small-size SMD packaging applications. | ❓ What is the difference between LD-4155 and LD-4155L phosphor? LD-4155 has a 7.4μm particle size (low-power packaging), while LD-4155L has a 9.6μm particle size (high-power packaging). Color temperature also differs: LD-4155 is 4122K, LD-4155L is 7000K. |
❓ Can LD-4155 yellow-green phosphor be blended with other phosphors? Yes. LD-4155 can be blended with red phosphor to improve CRI (Color Rendering Index) or achieve different color temperatures for various LED lighting applications. | ❓ Do you offer small-batch LED phosphor samples? Yes. We provide 50–100g evaluation samples for testing and verification before mass production. Contact our sales team for free phosphor sample requests. |
Samples & Technical Support
Get LD-4155 LED Phosphor Technical Support and Free Samples TodayWe offer small-batch phosphor sample services for testing and validation before mass production. For sample requests, parameter confirmation, or custom phosphor application solution support, please contact our technical and sales team. |
