In the previous article, “Popular Edition · Emotional Light”, we explored from a user perspective:
- Why products like SkyLight are so popular
- What it means for light to “look comfortable and make people look better”
- Why LRS conducts science-based research on emotional lighting
In this article, we shift the perspective to the industry side, exploring three advanced questions:
- How can advanced Lighting Recipes upgrade current SkyLight-type technologies?
- How to optimize visual + non-visual (circadian / emotional) experiences simultaneously?
- How can hardware + platform + scenario create new experiences and commercial value across the full value chain — from manufacturers, designers, and channels, to engineering, operation, and end users?
1. From “Parameters” to “Recipes”
Emotional light in three dimensions
Traditional lighting speaks in parameters: illuminance, color temperature, CRI, power, UGR, flicker…
SkyLight-type products already apply a more advanced layer:
- Refined white-light character (chromaticity, Duv, perception of whiteness)
- Color performance aligned with TM-30 Color Preference
- Smooth dimming, color tuning, and flicker control
Für advanced emotional lighting, the language must evolve from “single-point parameters” to recipes:
Lighting Recipe = Spectrum + Timing + Spatial Distribution
Plus:
- Metrics for visual experience
- Models for non-visual / emotional effects
Think of it as a three-dimensional coordinate system:
Visual Dimension
- Color: TM-30 / preference zones, skin tones, wood, plants
- White-light character: color temperature range, Duv, whiteness, “cleanliness”
- Visual comfort: glare control, brightness contrast, flicker, dynamic smoothness
Non-Visual Dimension (Circadian / Physiological)
- CIE S026 metrics: m-EDI, EML, CS
- 24-hour circadian curve: morning activation, daytime focus, evening transition, nighttime suppression
- Long-term exposure: weekdays/weekends, shifts, different time zones
Emotional / Cognitive Dimension
- LRS’s Limbic System Score (LSS) combines fMRI/EEG data with subjective emotion ratings
- Maps “light → limbic system response → emotion / stress / focus”
- Emotional targets by scenario:
- Office: high focus, low fatigue
- Medical waiting areas: low anxiety, moderate alertness
- Living rooms: relaxation, joy, social connection
- Hotel rooms: recovery, pre-sleep “slow down”
Professional emotional light recipes select points in this 3D space — shifting from “creating a pretty lamp” to designing reproducible light environments for specific emotional goals.
2. Methodology for Upgrading Visual + Non-Visual Experiences
Level 1: Comfortable and visually pleasing
- Sufficient and uniform illuminance
- Glare and flicker control
- Colors aligned with TM-30 preference zones
- White light appears clean and natural
Level 2: Circadian & time-based design
- Adjust illuminance, color temperature, and spectrum over morning, noon, evening
- Use m-EDI / EML / CS metrics to avoid overstimulation or sluggishness
- Adapt for different populations: children, elderly, night-shift workers
Level 3: Emotional light recipes & LSS
- Validate spectrum and dynamics with fMRI/EEG experiments
- Identify combinations that reduce stress, improve focus, or support recovery
- Translate results into programmable emotional light scenarios: Calm, Focus, Recover, Social, Pre-Sleep
- Lights become upgradable, customizable emotional media
3. Hardware + Platform + Scenario: Building an Experience Engine
Hardware: From “good light source” to “recipe carrier”
- Multi-channel light sources (RGB + white + other channels)
- Sensors for illuminance, spectrum, glare, IAQ (CO₂, TVOC, temp/humidity), noise
- DALI / D4i, Bluetooth Mesh, Zigbee connectivity
Platform: From “control” to “emotional navigation engine”
- Circadian algorithms: time, location, business type
- Emotional light recipe library based on LSS
- Adaptive adjustment via sensor feedback and user preference
- APIs for designers, consultants, building management, hotels, and apps
Scenario: From demo space to replicable solutions
- Home: 24-hour circadian plan + emotional presets
- Office / Education: multi-mode focus, collaboration, break
- Healthcare: stress-reducing waiting areas, patient recovery, night care lighting
- Hospitality: full-stay emotional experience from welcome to sleep
4. Full Value Chain Opportunities
Manufacturers:
- Recipe-ready hardware, calibration/reporting, combine with platform solutions
Designers / Consultants:
- Upgrade from fixture selection to “lighting recipe & emotional experience design”
- Charge for validated solutions + measurement reports
Distributors / Channel Partners:
- Bundle hardware + platform + basic scenes + measurement service
Engineering / Integrators:
- Beyond installation: commissioning, tuning, maintenance, and upgrades
End Users:
- Tangible experience improvements: employee state, customer dwell time, patient experience
- Measurable ROI on lighting investment: occupancy, revenue, retention
5. LRS’s Role
From “light measurement provider” → “partner in the emotional light ecosystem”
- Solid measurement: In.Licht devices as baseline for emotional light solutions
- Clear models: LSS research integrating circadian, emotional, and visual metrics
- Open ecosystem: Connect manufacturers, drivers, platforms, and consultants for collaborative recipe development
Zusammenfassung:
SkyLight brought “visually pleasant and comfortable light” to the public.
The next step: upgrade it into a programmable, verifiable, and monetizable emotional light ecosystem.
Start small with a pilot space, use real data and experiences, and answer the question:
When light is not just for “seeing,” how can it enhance emotion, health, and business?
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