
QuantumLux™
High CRI COB LED Series
U.S. Patent Protected
LTF’s QLUX™ Architectural Grade High CRI COB LED series are versatile and technologically advanced chip on board LEDs, ready for both new and retrofit OEM products. The Quantum LUX COB is a simple to integrate chip with crisp, precise light output, and excellent color over angle with TIR optics. With single channel Dim to Warm and dual channel Color Tuning options, and superior color rendering with high CRI (95+) and R9 (90+) values, QLUX series COB LEDs are the ideal light source for even the most demanding applications.

Key Features Include:
- Enhanced Color Fidelity: Achieve superior color accuracy for detailed visual tasks.
- Optimized Spectral Performance: Balanced spectral output to ensure consistent color rendering even at variable dimming levels.
- Dynamic Dim to Warm: Engineered with dynamic dim-to-warm features, the LTF COBi Series allows for seamless transitions from energizing cool whites to soothing warm hues.
- Unparalleled TM30 : ~100
- Color Tunable: Dial in the perfect CCT from 5700K to 2000K CCT.
- Superior color rendering; CRI 95+, R9 90+.
- Works with standard driver and dimmers.
- LM-80 compliant LEDs.
- Tight binning less than 3 MacAdam ellipses.
- Low heat generation, easy thermal management.
Applications
- Human Centric & Circadian Lighting
- Light for well-being
- Architectural grade lighting for commercial and residential settings
- OEM LED Lighting Fixtures – Downlights, track heads, pendant lights, wall sconces, table lamps
- The perfect option for LED bulbs and modules
- Healthy human-centric lighting for hotels, restaurants and homes
- Accurate, impressive color rendering for eye catching displays – Retail, art galleries, museums
- Color-critical task lighting – Surgical / medical, laboratory, photography / videography
SINGLE CHANNEL DIM TO WARM COB LEDs | |||||||
Model Series | Product Photo | Wattage | LES | Dimensions | CCT | CRI/R9 | Spec Sheet |
QLUXCOBi1313903018WD-PH | ![]() |
6W | 6mm | 13 X 13mm | 3000K dims to 1800K | 94/64 | Download |
QLUXCOBi151294027WD | ![]() |
12W | 9.8mm | 12 X 15mm | 4000K dims to 2700K | 95+/85+ | Download |
QLUXCOBi151293220WD | ![]() |
12W | 9.8mm | 12 X 15mm | 3200K dims to 2000K | 94+/90+ | Download |
QLUXCOBi151293018WD | ![]() |
12W | 9.8mm | 12 X 15mm | 3000K dims to 1800K | 98/95 | Download |
QLUXCOBi1512902718WD-PH | ![]() |
12W | 9.8mm | 12 X 15mm | 2700K dims to 1800K | 95/66 | Download |
QLUXCOBi18184027WD | ![]() |
24W | 14mm | 18 X 18mm | 4000K dims to 2700K | 95+/85+ | Download |
QLUXCOBi18183220WD | ![]() |
24W | 14mm | 18 X 18mm | 3200K dims to 2000K | 95+/75+ | Download |
QLUXCOBi181893016WD-PH | ![]() |
24W | 14mm | 18 X 18mm | 3000K dims to 1600K | 98/91 | Download |
SINGLE CHANNEL SINGLE CCT COB LEDs | |||||||
Model Series | Product Photo | Wattage | LES | Dimensions | CCT | CRI/R9 | Spec Sheet |
QLUXCOBi13139(27,30) | ![]() |
4.1W | 5.75mm(OD) | 13 X 13mm | 2700K, 3000K,Custom | 96/90 | Download |
QLUXCOBi151290(27,30) | ![]() |
12W | 9.8mm | 15 X 12mm | 2700K, 3000K,Custom | 98/89+ | Download |
QLUXCOBi18189065 | ![]() |
25.5W | 14mm | 18 X 18mm | 6500K | 90/70+ | Download |
COBi KIT-LED DRIVER, HEAT SINK, DIFFUSER & COBi LED | |||||||
Model Series | Product Photo | Wattage | Driver | CCT | CRI/R9 | Spec Sheet | |
QLUXCOBi1512932WD-KT | ![]() |
15W | DA15W350C1042-3001 | 3000K dims to 1800K | 95+/95+ | Download | |
COLOR TUNEABLE SERIES ADJUSTABLE CCT COB LEDs | |||||||
Model Series | Product Photo | Wattage | LES | Dimensions | CCT | CRI/R9 | Spec Sheet |
LTCOBi1313905727 | ![]() |
6.3W | 6mm (OD) | 13 x 13mm | 5700K – 2700K | 90+/60+ | Download |
LTCOBi1313905722LT | ![]() |
6.3W | 6mm(OD) | 13 x 13mm | 5700K – 2200K | 90+/60+ | Download |
LTCOBi161694020 | ![]() |
12.5W | 8.9mm(OD) | 16 x 16mm | 4000K – 2000K | 90+/90+ | Download |
LTCOBi1616905727LT | ![]() |
11W | 9mm(OD) | 16 x 16mm | 5700K – 2700K | 90+/90+ | Download |
LTCOBi1616905727 | ![]() |
12W | 9mm(OD) | 16 x 16mm | 5700K – 2700K | 90+/55+ | Download |
LTCOBi2024905727 | ![]() |
50W | 16mm(OD) | 20 x 24mm | 5700K – 2700K | 90+/60+ | Download |
LTCOBi2424905727 | ![]() |
55W | 19mm(OD) | 24 x 24mm | 5700K – 2700K | 90+/70+ | Download |