Lumileds Manufacturer Skill

Company Overview

Lumileds is a global leader in LED technology, best known for the LUXEON brand of high-power LEDs. Originally part of Philips Lighting, Lumileds specializes in:

• High-power LEDs for general illumination
• Automotive LEDs for headlights, taillights, and interior lighting
• Mid-power LEDs for industrial and commercial applications
• Color LEDs for architectural and entertainment lighting
• UV and IR LEDs for specialized applications

MPN Structure

Lumileds MPNs follow different patterns depending on the product line:

Classic LUXEON Format (LXxx)

LX[SERIES][VARIANT][-COLOR][-OPTION]
│  │       │        │       │
│  │       │        │       └── Options: PW=Power, ES=Emitter, etc.
│  │       │        └── Color code after dash
│  │       └── Variant identifier
│  └── Series code (ML=Rebel, HL=III, Z1=Z, CL=C, etc.)
└── LX = LUXEON prefix

New Format (L1xx, L2xx)

L[GEN][SERIES][VARIANT][-COLOR][-OPTION]
│ │    │       │        │       │
│ │    │       │        │       └── Options: package/application
│ │    │       │        └── Color code after dash
│ │    │       └── Variant code
│ │    └── Series (T2=TX, M1=M, V0=V)
│ └── Generation (1=current, 2=next)
└── L = Lumileds prefix

Mid-Power Format (L1xx)

L1[SIZE][VARIANT][-COLOR]
│  │     │        │
│  │     │        └── Color code
│  │     └── Variant identifier
│  └── Package size (30=3030, 35=3535, 50=5050)
└── L1 = Mid-power series prefix

LUXEON Series Overview

High-Power LEDs

Color LEDs

RGB & Multi-Die LEDs

Mid-Power LEDs

Low-Power LEDs

Automotive LEDs

Example MPNs with Decoding

High-Power Examples

LXML-PWC1-0100
│    │    │
│    │    └── 0100 = Flux bin code
│    └── PWC1 = Cool white, power grade
└── LXML = LUXEON Rebel series

LXHL-PW09
│    │
│    └── PW09 = Power white, bin 09
└── LXHL = LUXEON III series

L1T2-3070000000000
│    │
│    └── 3070000000000 = Full part specification
└── L1T2 = LUXEON TX series

Color LED Examples

LXZ1-PB01
│    │
│    └── PB01 = Blue, bin 01
└── LXZ1 = LUXEON Z series

LXCL-PR01
│    │
│    └── PR01 = Red, bin 01
└── LXCL = LUXEON C series

Mid-Power Examples

L130-5780003000W21
│    │           │
│    │           └── W21 = White bin variant
│    └── 5780003000 = Flux/CCT specification
└── L130 = LUXEON 3030 (3.0x3.0mm package)

L135-2780003000W01
│    │
│    └── 2780003000W01 = Full specification
└── L135 = LUXEON 3535 (3.5x3.5mm package)

Automotive Examples

LXA2-PW00
│    │
│    └── PW00 = Power white, automotive grade
└── LXA2 = LUXEON Altilon Automotive

LXA3-PW12
│    │
│    └── PW12 = Power white, bin 12
└── LXA3 = LUXEON F (automotive front lighting)

Package Codes

Package Extraction Rules

The handler extracts package codes based on series prefix:

Suffix-Based Package Codes

Series Extraction Rules

LX-Prefix Series (Classic LUXEON)

For MPNs starting with LX, extract the first 4 alphanumeric characters:

// LXML-PWC1-0100 → LXML
// LXHL-PW09 → LXHL
// LXZ1-PB01 → LXZ1
// LXA2-PW00 → LXA2

for (int i = 0; i < mpn.length() && i < 4; i++) {
    if (Character.isLetterOrDigit(mpn.charAt(i))) {
        series.append(mpn.charAt(i));
    }
}

L1/L2-Prefix Series (Newer Products)

For MPNs starting with L1 or L2, extract the first 4 characters:

// L1T2-3070000000000 → L1T2
// L1M1-xxx → L1M1
// L1V0-xxx → L1V0

return mpn.substring(0, 4);

Numbered Series (Mid-Power)

For MPNs starting with L followed by digits, extract until non-alphanumeric:

// L130-5780003000W21 → L130
// L135-xxx → L135
// L150-xxx → L150

for (char c : mpn.toCharArray()) {
    if (Character.isLetterOrDigit(c)) {
        series.append(c);
    } else {
        break;
    }
}

Color Code Extraction

Color codes are typically found after a dash in the MPN:

For LUXEON Z and Rebel (LXZ1, LXML)

Color code is the first character after the dash:

// LXZ1-PB01 → P (Power) or B (Blue) depending on interpretation
// Extract position dash+1

int dashIndex = mpn.indexOf('-');
if (dashIndex > 0 && dashIndex + 2 <= mpn.length()) {
    return mpn.substring(dashIndex + 1, dashIndex + 2);
}

For Mid-Power (L130, L135)

Color code is positions 4-5 (after series prefix):

// L130-5780003000W21 → positions 4-5 after prefix
if (mpn.length() >= 6) {
    return mpn.substring(4, 6);
}

Compatible Series (Replacement Logic)

The handler recognizes these cross-series compatibilities:

Note: Cross-series compatibility indicates similar electrical characteristics but may require PCB redesign due to different footprints.

Supported Component Types

The handler supports these ComponentType values:

Handler Implementation Notes

Pattern Registration

All patterns are registered for both LED (base type) and LED_HIGHPOWER_LUMILEDS (manufacturer-specific type):

// Each series is registered twice
registry.addPattern(ComponentType.LED, "^L1T2.*");
registry.addPattern(ComponentType.LED_HIGHPOWER_LUMILEDS, "^L1T2.*");

getSupportedTypes() Issue

Known Bug: The handler uses HashSet instead of Set.of():

// Current (mutable, non-deterministic order)
Set<ComponentType> types = new HashSet<>();
types.add(ComponentType.LED);
types.add(ComponentType.LED_HIGHPOWER_LUMILEDS);

// Should be (immutable, deterministic)
return Set.of(ComponentType.LED, ComponentType.LED_HIGHPOWER_LUMILEDS);

Package Code Extraction Notes

1. Series-based extraction takes precedence over suffix extraction
2. If no series match, suffix is extracted via regex ^[A-Z0-9]+
3. Unknown suffixes are returned as-is (no default)

Related Files

• Handler: manufacturers/LumiledsHandler.java
• Component types: LED, LED_HIGHPOWER_LUMILEDS
• Similarity calculator: LEDSimilarityCalculator.java

Learnings & Quirks

MPN Format Variability

• LUXEON MPNs have varying levels of detail after the dash
• Some MPNs include flux bins, CCT values, and packaging codes
• The same LED may have many MPN variants for different bins/CCT

Low-Power Series Pattern

The LW Q18 pattern includes a space, which is unusual:

registry.addPattern(ComponentType.LED, "^LW Q18.*");

This may cause issues with MPN normalization that removes spaces.

Color Bin vs CCT

• Color LEDs use color codes (R, G, B, A=Amber, PC=PhotonConversion)
• White LEDs use CCT bins in the MPN (2700K, 4000K, 5000K, etc.)
• The handler's extractColorCode() method handles both patterns

Automotive Qualification

• LXA2 and LXA3 series are AEC-Q102 qualified
• Automotive MPNs may have additional suffixes for qualification level

Handler Test Coverage

As of January 2026, LumiledsHandler does not have dedicated tests. When adding tests:

1. Place tests in handlers package, NOT manufacturers package
2. Use MPNUtils.getManufacturerHandler("LXML-PWC1") for handler access
3. Test all series prefixes: L1T2, L1M1, L1V0, LXML, LXHL, LXZ1, LXCL, LXI8, LXA7, L130, L135, L150, LW Q18, LXA2, LXA3

Cross-Manufacturer Equivalents

LUXEON LEDs compete with:

• Cree XP-E, XP-G series
• OSRAM OSLON series
• Nichia 757 series
• Samsung LM301 series

These are NOT direct replacements due to different footprints and optical characteristics.