Human Centric Lighting

Light That Works With Your Biology — SUMLINK

Light That Works With
Your Biology

Light that fills a room is a commodity. Light that runs it — from morning CCT to a close that still respects the night — is a strategy. We supply strategies.

Explore the ScienceView Applications

Light That Reads Your Rhythm

How does light affect our sleep, mood and performance? Discover the science behind Human Centric Lighting and see what changes when light starts working with your body clock.

Learn the Science →

ipRGCs · SCN · Human Centric Science

5000K — Morning Activation
4000K — Daytime Focus
2700K — Evening Close

Visual Comfort

High-fidelity spectra maintain stable colour rendering across the full CCT arc — reducing visual fatigue complaints in prolonged-occupancy commercial environments.

Circadian Friendly

Dynamic CCT programming tracks the operational day — keeps people sharp through the afternoon; cuts blue light as the day winds down.

Scene-Adaptive

One-tap switch between scenes.

SUMLINK Office Circadian Light Line — open-plan workspace lit by a tunable linear ceiling light system
1

Office · Circadian Light Line

A smart linear light run turns the workspace into a time-aware, productivity-first environment.

Office · Circadian Light Line
SUMLINK Boutique Hotel Mood Light Corridor — hotel corridor with tunable linear lighting
2

Boutique Hotel · Mood Light Corridor

From bright welcome to intimate retreat - light that flows with every operational phase.

Boutique Hotel · Mood Light Corridor
SUMLINK Retail Gallery Narrative Light Beam — gallery retail space curated by dynamic linear lighting
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Retail / Gallery · Narrative Light Beam

The silent curator. A dynamic spectrum guides every gaze and elevates every display.

Retail / Gallery · Narrative Light Beam
SUMLINK Jewellery Brilliant Spectrum — jewellery display under tunable spot and linear lighting
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Jewellery · Brilliant Spectrum

Diamond mode. Gold mode. Jade mode. One system precisely matched to every gem.

Jewellery · Brilliant Spectrum
SUMLINK Study Focus Corridor — study room lit by a focus-enhancing linear light line
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Study · Focus Corridor

Daylight-equivalent CCT maintains alertness markers - supporting sustained concentration across study and focus sessions.

Study · Focus Corridor
SUMLINK Home Warm Glow Line — living room at dusk under a warm linear light line
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Home · Warm Glow Line

One programmable arc carries the evening from social to quiet - melanopic load steps down automatically.

Home · Warm Glow Line

We Believe

Light isn't just a switch. It's the one thing in a room that can actually change how people feel. SUMLINK integrates Human Centric Lighting science into every luminaire — no ecosystem lock-in, no proprietary hub.
Professional HCL
·
CRI ≥90
·
Flicker-Free

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Every light. One link.