LED Lighting

LED Lighting - White

Part Number	Description / PDF	Quantity
MXA9-PW30-0000 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3000K 2SMD	8688
LXML-PWC1-0100 Philips (LUMILEDS)	LED LUXEON COOL WHITE 70CRI 3SMD	0
MXA8-PW22-0000 Philips (LUMILEDS)	LED LUXEON WARM WHITE 2200K 2SMD	2754
LXH8-FW50-5 Philips (LUMILEDS)	LED LUXEON COOL WHITE 5000K 3SMD	1808
L130-2280002011001 Philips (LUMILEDS)	WARM-WHITE 3020 80 CRI	5000
LXZ2-3090-5 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3000K 2SMD	0
L1CU-4080000000000 Philips (LUMILEDS)	LED LUXEON CZ WHITE 4000K SMD	795
L1Q0-3580000001000 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3500K 2SMD	0
LXZ1-2780-3 Philips (LUMILEDS)	LED LUXEON WARM WHITE 2700K 2SMD	0
LXR8-SW27 Philips (LUMILEDS)	LED LUXEON WARM WHITE 2700K 2SMD	15
L130-3570003000W21 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3500K 2SMD	0
LMZ7-SW65 Philips (LUMILEDS)	LED LUXEON COOL WHITE 6500K 2SMD	0
L130-4090002011001 Philips (LUMILEDS)	LED LUXEON NEU WHT 4000K 2SMD	0
LMZ8-QW35 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3500K 2SMD	0
L1T2-4070000002700 Philips (LUMILEDS)	LED LUXEON NEU WHITE 4000K 2SMD	188
LXZ1-3580-3 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3500K 2SMD	0
LMZ7-QW65 Philips (LUMILEDS)	LED LUXEON COOL WHITE 6500K 2SMD	0
L1V1-657003V500000 Philips (LUMILEDS)	LED LUXEON WHITE COOL 6500K 1616	33
MXA9-PW27-H001 Philips (LUMILEDS)	LED LUXEON WARM WHITE 2700K 2SMD	0
L1T2-3080500002300 Philips (LUMILEDS)	LED LUXEON WARM WHITE 3000K 2SMD	0

LED Lighting - White

1. Overview

White Light-Emitting Diodes (LEDs) are semiconductor devices that convert electrical energy into visible white light. They represent a fundamental shift from traditional lighting technologies due to their energy efficiency, longevity, and controllability. Modern white LEDs primarily use blue-emitting chips coated with phosphor materials to produce broad-spectrum white light, enabling precise color tuning and dimming capabilities.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
Blue Chip + Yellow Phosphor	Cost-effective, CRI 70-90, correlated color temperature (CCT) 2700-6500K	General lighting, residential bulbs
RGB Tri-color	Tunable color output, high CRI (>90), complex driver requirements	Stage lighting, architectural accenting
UV Chip + RGB Phosphor	Enhanced color rendering, reduced blue light hazard	Museum lighting, medical diagnostics
Remote Phosphor	Uniform light distribution, improved thermal management	Commercial downlights, automotive headlamps

3. Structure & Components

Typical white LED construction includes:

Die: Gallium Nitride (GaN) on sapphire substrate emitting blue light (450nm)
Phosphor Layer: Cerium-doped YAG (Y₃Al₅O₁₂) converting blue to yellow wavelengths
Encapsulation: Silicon dioxide lens with secondary optical elements
Thermal Interface: Metal-core PCB (MCPCB) for heat dissipation
Driver Circuit: Constant current source with EMI filtering

4. Key Technical Parameters

Parameter	Typical Range	Importance
Luminous Flux	100-20,000 lm	Determines light output capability
Color Temperature	2700K-6500K	Affects ambiance and visual comfort
Color Rendering Index (CRI)	70-98	Measures color fidelity accuracy
Luminous Efficacy	100-200 lm/W	Energy conversion efficiency metric
Lifespan	25,000-100,000 hrs	Total cost of ownership factor
Forward Voltage	2.8-3.6 V	Driver design specification

5. Application Fields

Residential: Smart bulbs, under-cabinet lighting
Commercial: Retail accent lighting, office panel lights
Industrial: High-bay warehouse fixtures, machine vision systems
Transportation: Automotive headlights, aircraft cabin lighting
Healthcare: Surgical lighting, circadian rhythm regulation

6. Leading Manufacturers & Products

Manufacturer	Key Product Series	Technical Highlights
Signify (Philips)	Luxeon 3535L	180 lm/W efficacy, 90 CRI, automotive grade
OSRAM Opto	Ostar Lighting	Surface-mount package, 2000cd/m luminance
Cree (Wolfspeed)	XHP50.2	High-density emitter, 20A drive current capability
Seoul Semiconductor	WICOP2	Chip-level integration, 0.2W-100W scalability

7. Selection Recommendations

Key considerations:

Optical requirements: Match CRI and CCT to application needs
Thermal management: Select appropriate heatsink and package type
Electrical compatibility: Verify driver specifications and dimming protocols
Form factor: Consider footprint constraints (e.g., 2835, 5630 packages)
Regulatory compliance: Ensure ENERGY STAR, DLC, or UL certification

8. Industry Trends

Emerging developments include:

Micro-LED integration for displays and Li-Fi communication
Quantum dot phosphors expanding color gamut (NTSC >100%)
Smart lighting systems with IoT connectivity (Zigbee, Bluetooth Mesh)
Advanced thermal materials (graphene MCPCBs)
Regulatory shifts toward higher minimum efficacy standards (DOE 2023: 120 lm/W)