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Lighting knowledge, tested in context

Ledvance studies the complete path from source to seeing

Our work connects optical behavior, thermal conditions, driver performance and installation realities so that a product claim can become a defensible project decision.

“Useful lighting evidence is not a list of maximum values. It is a traceable explanation of how a luminaire behaves in the room, on the task and throughout its service life.”

That principle shapes how we organize technical resources and project conversations. A lighting designer needs distribution data that behaves predictably in calculation software. An electrical engineer needs unambiguous control and power information. A contractor needs mounting and access details that survive contact with the ceiling. A facility team needs serviceability assumptions that remain visible after handover.

Evaluation environments built around real decisions

Goniophotometer testing a commercial luminaire

Distribution analysis

Candela curves, beam shape and spacing behavior are considered together, helping teams understand where output goes rather than relying on a lumen total alone.

Thermal and electrical bench for LED drivers

System performance bench

Electrical behavior, thermal management and dimming interfaces are evaluated as connected factors because a luminaire and driver operate as one system in the field.

Mock-up room for glare and color evaluation

Visual mock-up space

Glare, modeling, surface brightness and color quality become easier to discuss when calculations are paired with an observed application environment.

Research notes for project teams

Technical note

Reading IES and LDT data beyond peak candela

A practical framework for comparing distribution, cut-off, spacing and vertical illumination while keeping room geometry in view.

View resource framework
Design briefing

Balancing lm/W, CRI and visual comfort

Why a single efficacy number cannot resolve every office, retail or healthcare lighting decision.

Read technical perspectives
Coordination guide

From dimming protocol to commissioning responsibility

Questions that keep DALI-2 and 0-10V intent aligned across specification, installation and controls setup.

Review support stages

Bring your calculation assumptions into the conversation

Our specification team can help identify the product evidence and coordination questions needed for a rigorous review.

Consult a lighting specialist