Optics - Remote Phosphor Light Source

Image	Part Number	Description / PDF	Quantity	Rfq
	CL-835-LR-PC Intematix	CHROMALIT ROUND 80CRI 61.5MM DIA	0
	CL-840-S40-PC Intematix	CHROMALIT SQUARE 80CRI 40X40MM	0
	CL-835-R34-PC Intematix	CHROMALIT ROUND 80CRI 34MM DIA	0
	CL-927-R23-PC Intematix	CHROMALIT ROUND 90CRI 22.5MM DIA	0
	CL-927-DOM40-PC Intematix	CHROMALIT DOME LIGHT SOURCE BULB	0
	CL-750-S55-PC Intematix	CHROMALIT SQUARE 70CRI 55X55MM	0
	CL-830-R23-PC Intematix	CHROMALIT ROUND 80CRI 22.5MM DIA	0
	CL-830-R75-PC Intematix	CHROMALIT ROUND 80CRI 75MM DIA	0
	CL-830-ELP30-PC Intematix	CHROMALIT ELLIPSE LHT SRCE BULB	0
	CL-827-ELP40-PC Intematix	CHROMALIT ELLIPSE LHT SRCE BULB	0
	CL-750-S65-PC Intematix	CHROMALIT SQUARE 70CRI 65X65MM	0
	CL-840-SR-PC Intematix	CHROMALIT ROUND 80CRI 45MM DIA	0
	CL-827-CAN30-PC Intematix	INTEMATIX CHROMALIT CANDLE	0
	CL-827-R34-PC Intematix	CHROMALIT ROUND 80CRI 34MM DIA	0
	CL-827-SR-PC Intematix	CHROMALIT ROUND 80CRI 45MM DIA	0
	CL-750-R23-PC Intematix	CHROMALIT ROUND 70CRI 22.5MM DIA	0
	CL-835-CAN40-PC Intematix	INTEMATIX CHROMALIT CANDLE	0
	CL-750-R34-PC Intematix	CHROMALIT ROUND 70CRI 34MM DIA	0
	CL-830-CAN40-PC Intematix	INTEMATIX CHROMALIT CANDLE	0
	CL-750-DOM60-PC Intematix	CHROMALIT DOME LIGHT SOURCE BULB	0

Optics - Remote Phosphor Light Source

1. Overview

Remote phosphor light sources are optical systems that separate phosphor wavelength-conversion materials from primary light-emitting diodes (LEDs). This architecture enables precise control of light output characteristics while improving thermal management and color uniformity. The technology plays a critical role in solid-state lighting (SSL) and display systems, offering advantages in efficiency, longevity, and color rendering compared to conventional lighting solutions.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Ring-Type Remote Phosphor	Annular phosphor layer configuration for omnidirectional light emission	LED bulbs, tubular lighting fixtures
Linear Phosphor Film	Flexible phosphor-embedded polymer strips for directional lighting	Edge-lit LCD backlights, architectural lighting
Planar Ceramic Phosphor	Rigid ceramic phosphor plates with high thermal conductivity	High-power automotive headlights, projection systems
Phosphor-on-Glass (PoG)	Laser-bonded phosphor layers on glass substrates for precise patterning	Micro-display systems, augmented reality (AR) devices

3. Structure and Components

Typical remote phosphor systems consist of:

Primary Light Source: High-power blue or UV LEDs (450-470 nm wavelength)
Phosphor Layer: YAG:Ce (Y₃Al₅O₁₂:Ce) or CASN:Eu phosphor materials in various matrix forms
Thermal Management: Aluminum nitride (AlN) or ceramic substrates with thermal conductivity >150 W/m K
Optical Encapsulation: Silicone or epoxy coatings with transmittance >92% in visible spectrum
Mechanical Housing: Anodized aluminum frames with precision alignment features

4. Key Technical Specifications

Parameter	Typical Range	Importance
Color Temperature (CCT)	2700K-6500K	Determines lighting ambiance and application suitability
Color Rendering Index (CRI)	80-98	Measures accurate color reproduction capability
Luminous Efficacy	120-180 lm/W	Indicates energy conversion efficiency
Correlated Color Deviation ( uv)	0.003	Quantifies color consistency across viewing angles
Operating Lifetime	25,000-50,000 hours	Defines maintenance interval requirements

5. Application Fields

General Lighting: Commercial downlights, industrial high-bay fixtures
Automotive: Adaptive driving beam (ADB) systems, matrix headlights
Medical: Surgical lighting with 95+ CRI requirements
Display Technology: LCD TV backlights, digital signage
Specialty: Horticultural lighting with tailored spectral output

6. Leading Manufacturers and Products

Manufacturer	Product Series	Key Features
Philips Lumileds	LUXEON Remote Phosphor	90 CRI with < 0.002 uv tolerance
OSRAM Opto	Ostar Projection Power	20,000 lm output for cinema projectors
Cree LEDs	X-lamp XP 3535HD	Compact 3.5mm footprint with 150 lm/W efficacy
Nichia Corporation	Optisolis Series	Medical-grade lighting with 98 CRI

7. Selection Recommendations

Key considerations for implementation:

Match phosphor conversion efficiency to target luminous output requirements
Evaluate thermal resistance ( C/W) for specific cooling methods
Assess angular color uniformity needs for optical design
Consider lifetime depreciation curves under operational conditions
Verify compliance with industry standards (e.g., ENERGY STAR, LM-80)

8. Industry Development Trends

Emerging directions include:

Micro-patterned phosphor arrays for pixelated lighting systems
Quantum dot hybrid materials for expanded color gamut (BT.2020 compliance)
Smart integration with IoT-enabled dimming and color control
Nanostructured phosphor layers for enhanced light extraction
Environmental advancements through rare-earth-free compositions