You’ve seen the claims: “high lumen output”, “energy saving”, “long life”. But after installation, your eyes feel tired by mid‑afternoon because of harsh glare. Or the light flickers after a few months because the driver overheated inside a cheap plastic housing.
When you’re lighting a retail display, an office workstation, or a kitchen island, you need three things: comfortable glare‑free light, real‑world high efficacy (not just lab numbers), and reliable thermal management that lasts.
Our LD-03-31301~31303 series was designed to deliver exactly that. With genuine Sanan COB chips, die‑cast aluminum heatsinks, and a narrow‑rim, deep anti‑glare baffle, these downlights (7W, 12W, 18W) provide outstanding visual comfort while achieving up to 95.1 lumens per watt. Let’s see how they solve the most common complaints from electricians, interior designers, and facility managers.


UGR (Unified Glare Rating) measures how uncomfortable a light source feels to the human eye. The lower the number, the less glare.
Our LD‑03‑31302 and LD‑03‑31303 (12W/18W) achieve UGR <12, while the 7W model reaches UGR <8 – that’s near‑invisible comfort. Even in a low ceiling installation at 2.4 meters, your customers won’t squint or complain about eye fatigue.
This is one of the most searched lighting questions on Google. The answer lies in lumens per watt (LM/W).
The high efficacy means you can use fewer downlights to achieve the same illumination level, saving both product cost and electricity over time. For a retail store operating 12 hours a day, the payback period compared to halogen or even standard LED is often less than one year.
Yes – especially in rooms where people sit, lie down, or stand for long periods. In a living room, a standard downlight mounted above a sofa can shine directly into the eyes of someone watching TV. In a kitchen, under‑cabinet tasks require comfortable overhead light without harsh reflections on countertops.
Our LD‑03‑31300 series uses a narrow‑rim, deep‑recessed baffle that physically blocks direct view of the COB chip. The result is a soft, even illumination that highlights your space without blinding anyone. Additionally, the ultra‑thin rim (narrow‑edge design) blends seamlessly with the ceiling – no bulky plastic rings that look cheap.
The two main causes: poor heat dissipation and low‑grade LED chips.
Heat is the enemy of all LEDs. When a downlight’s housing traps heat, the LED chip runs hot, causing:
We solve this with a one‑piece die‑cast aluminum heatsink with enhanced surface fins. The entire body acts as a radiator, pulling heat away from the COB chip and driver. The result: stable colour temperature, no flicker, and an L70 lifespan exceeding 50,000 hours.
Combine this with genuine Sanan COB chips (rated for high temperature operation) and you get a downlight that still looks and performs like new after years of daily use. For property managers and electrical contractors, this means fewer warranty callbacks and happier clients.

The LD‑03‑31300 series offers three beam angle options (depending on model – check the spec sheet):
Ask for the specific beam angle you need when ordering – we can supply the series with your preferred optic.

| Parameter | LD-03-31301 | LD-03-31302 | LD-03-31303 |
|---|---|---|---|
| Power | 7W | 12W | 18W |
| Efficacy | 91.7 LM/W | 95.1 LM/W | 90 LM/W |
| Total Lumens | ~642 lm | ~1,141 lm | ~1,620 lm |
| CRI | ≥80 | ≥80 | ≥80 |
| Colour Temp | 3000K / 4000K / 6000K | 3000K / 4000K / 6000K | 3000K / 4000K / 6000K |
| UGR | <8 | <12 | <12 |
| Beam angles | 15° / 24° / 36° | 24° / 36° / 50° | 24° / 36° / 50° |
| PF | 0.5 | 0.5 | 0.5 |
| Input | 220-265V AC | 220-265V AC | 220-265V AC |
| Material | Die‑cast aluminium + black trim | Same | Same |
| Cutout | Ø55mm | Ø75mm | Ø85mm |
| Dimension (Φ×H) | 65×15mm? (check note) | 85×15mm? | 95×17mm |
*Note: Height in your table reads "0.65/15mm" etc. – likely 65mm height? For exact dimensions please refer to product drawing. The main point is the very low profile trim (narrow rim) and deep recess.*

| Model | Best for |
|---|---|
| LD-03-31301 (7W) | Small accent: art lights, display cabinets, corridor step lighting |
| LD-03-31302 (12W) | General retail, office workstations, kitchen islands, bathroom vanities |
| LD-03-31303 (18W) | High‑ceiling areas (up to 4m), large retail floors, supermarket shelves |

Standard downlights often have a thick white or silver rim that breaks the visual continuity of a ceiling. Our LD‑03‑31300 series uses a narrow‑edge, flush‑mount trim that sits almost flat against the ceiling. When painted with the same white (or ordered in black for dark ceilings), the fixture practically disappears – only the light is visible. This is especially valuable in minimalist, modern, or “no‑main” lighting designs where the luminaire should be felt, not seen.

Ready to replace your glaring, inefficient downlights? Request a sample kit of the LD‑03‑31300 series. We provide IES files, photometric reports, and OEM branding for large projects. Contact us for wholesale pricing and delivery lead times.

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