Compact & Efficient Spotlight
“Discover our compact COB downlight (7–12 W) featuring die-cast aluminum housing and precision springs for easy recessed installation. Perfect for spotlighting in kitchens, corridors, galleries, and shops—delivering consistent brightness and sleek aesthetics.”
Based on product descriptions and install guides .
Concise (50–160 characters): Appears fully in search results.
Informative: Highlights energy-efficiency, long life, and installation ease
Manufacturing or quality variances: If COB modules are made differently, you might see color/brightness shifts across modules .
Hotspots or dead LEDs: Poor heat dissipation or physical damage can locally overheat or break LEDs within the COB, causing uneven output .
Polarity or wiring defects: Mistakes like reversed and re-wired diffusers, or solder bridges, can cause one strip to appear greener or bluer than another
Though your focus may be lighting, these apply if you’re using COB in displays:
Blackouts: Caused by power-signal issues.
Flicker or image lag: Could be poor signal transmission or driver problems
| Issue Type | What to Check & Fix |
|---|---|
| Flickering/Strobing | Driver aging; use correct current; secure wiring; use LED-compatible dimmers/controllers; add data-line resistor or level shifter if digital. |
| Color/Brightness Discrepancy | Match modules; ensure proper heat dissipation; inspect for damaged chips; verify polarity and soldering quality |
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7 W (~700 lm): Accent/cove lighting, narrow layered illumination, small rooms (≤10 sqm).
12 W (~1,200 lm): Typical living room or bedroom general lighting when spaced 1.2–1.5 m apart.
18 W (~1,800 lm): Spacious rooms, kitchens, office desks, corridor down‑the‑aisle lighting.
Spacing rule: aim for ~2× depth distance (i.e. 2.4–3.0 m between 12 W downlights in an 8‑ft ceiling for uniform illumination).
6. Installation Notes
Mounting depth: Below ceiling—use frame or spring‑clip type.
Junction box: Prefer fixtures with integrated pluggable driver box (BJC style).
Ventilation: Avoid insulating ceiling materials resting directly atop COB module; allow ≥12 mm vent space.
Orientation: COB must be upright (chip heat-sink above) to prevent driver overheating.
7 W (~700 lm): Accent/cove lighting, narrow layered illumination, small rooms (≤10 sqm).
12 W (~1,200 lm): Typical living room or bedroom general lighting when spaced 1.2–1.5 m apart.
18 W (~1,800 lm): Spacious rooms, kitchens, office desks, corridor down‑the‑aisle lighting.
Spacing rule: aim for ~2× depth distance (i.e. 2.4–3.0 m between 12 W downlights in an 8‑ft ceiling for uniform illumination).
6. Installation Notes
Mounting depth: Below ceiling—use frame or spring‑clip type.
Junction box: Prefer fixtures with integrated pluggable driver box (BJC style).
Ventilation: Avoid insulating ceiling materials resting directly atop COB module; allow ≥12 mm vent space.
Orientation: COB must be upright (chip heat-sink above) to prevent driver overheating.
7 W (~700 lm): Accent/cove lighting, narrow layered illumination, small rooms (≤10 sqm).
12 W (~1,200 lm): Typical living room or bedroom general lighting when spaced 1.2–1.5 m apart.
18 W (~1,800 lm): Spacious rooms, kitchens, office desks, corridor down‑the‑aisle lighting.
Spacing rule: aim for ~2× depth distance (i.e. 2.4–3.0 m between 12 W downlights in an 8‑ft ceiling for uniform illumination).
6. Installation Notes
Mounting depth: Below ceiling—use frame or spring‑clip type.
Junction box: Prefer fixtures with integrated pluggable driver box (BJC style).
Ventilation: Avoid insulating ceiling materials resting directly atop COB module; allow ≥12 mm vent space.
Orientation: COB must be upright (chip heat-sink above) to prevent driver overheating.
Beam angle & adjustability matter most for accenting — tiltable heads offer great control.
Color temperature: go with 3000 K for warm ambience, 4000 K for neutral, 5000–6000 K for bright task lighting.
Dimmability: Most may not be dimmable unless specified. Choose a dimmable model if needed.
CRI ≥ 90 ensures color-accurate light, important in galleries or retail.
Wattage: 7–20 W is adequate for home/commercial; 50 W used for high-ceiling, expansive lighting

