Lighting in product development

Lighting of a car ac vent (Engineering by M.TEC)

High-end design ambient lighting - design engineering aspects: crash-proof, homogeneous illumination, invisible light guides, analogue assembly

Washing machine door lighting (Engineering by M.TEC)

Light ring of a washing machine door – Large-area lighting effect using only very few LEDs, effect independent of viewing angle, homogeneous lighting, high-quality design element

Lighting of a control panel (gas heater) (Engineering by M.TEC)

Development aspects: Very small number of LEDs with simultaneous homogeneous illumination, light guides directly injected

Lighting technology upgrades consumer products. The perceived quality of technical products is increases by integrating lighting elements. In product development, light takes on a variety of tasks: Illumination of surfaces, fulfilment of functions in control elements, ambient lighting and accentuation of the design language.

Lighting in product development

Product lighting – increasing product sales with light 

Lighting technology makes it possible to upgrade products functionally and optically. As a sales-promoting element, lighting elements can decisively increase desire and the perceived product quality.

Integrating light into product development at an early stage

The integration of lighting technology, especially functional lighting or signal lighting, is technically demanding. The earlier lighting technology is taken into account in product development, the more economical the high-quality integration into products and devices.

Risk assessment of lighting technology implementation concepts

Light reacts sensitively even to minor changes in construction or production. The robustness of the implementation concept for light integration is of great importance. Various lighting concepts must also be tested by default in order to keep subsequent adjustments to a minimum or to avoid them altogether.

Lighting functions


The illumination of rooms, surfaces and work surfaces is the most fundamental task of light. Efficiency and optimum function fulfilment are paramount.

Functional lighting

As a display function, light provides feedback on the status of functions. It serves as orientation lighting for operating elements in dark surroundings. Lighting elements enhance usability and the location of information. Homogeneous backlighting is particularly important for large viewing angles.

Ambient lighting

The creation of a certain atmosphere or mood by indirect illumination is another field of application (ambient light). Effective light for individual coloring and room lighting usually has soft transitions without sharp contrasts.

Design element

Lighting effects serve as a design element. They influence the appearance of products and change the look and feel so that the product is optically upgraded. 

Product areas, fields of application

Automotive – Interior

In automotive interior, light is used to illuminate instruments or control systems/instrument clusters. It is also used as ambient lighting to support the design language.

Automotive – Exterior

Outside the vehicle, lighting components are applied to increase safety, functionality and energy efficiency. At the same time, they are an important part of the vehicle design.


The lighting design of telecommunications equipment conveys value and allows for a differentiation in the market. In terms of function, it serves to support user guidance.

Consumer electronics / entertainment devices

In the case of consumer electronics or brown goods, light is particularly used to enhance perceived quality, while also acting as discreet functional lighting.

Personal care appliances

In body care appliances, light can be used for functional lighting, but above all it supports an emotional design language and serves as an indicator for high quality and modernity.

Home appliances

In the case of white goods, light plays a role mainly in user guidance and functional support. The product design rather emphasizes it as an additional effect, but light also conveys high quality.

Building services engineering

Design is becoming increasingly important in product development for building services engineering. Light supports the design and operating concept. It conveys value and at the same time assumes functional tasks.

Technical components in lighting technology

Light sources

They provide the light and are designed according to the required amount of light, color location and beam angle.

Light guide

These highly transparent components can guide light and transport it from the source to the functional or design element.


They absorb the light and ensure a homogeneous distribution of light in the functional or design element.


Reflecting surfaces or materials have a high influence on the result concerning lighting - either as disturbing factors or used deliberately.

Validation using lighting simulation

In the product development process, lighting simulation serves as a development tool for validating functional performance. It is a decision-making aid for concept selection and a design tool in design and development. In the course of a project, it can help to reduce iterations and development times.

M.TEC LIGHTING is a division of M.TEC specialized in lighting technology for product development. Find out more about lighting on the pages of the business unit.



Dr. Schneider
Your contact
Andreas Büttgenbach
Andreas Büttgenbach
Team leader product development
+49 2407 9573-7345
+49 2407 9573-25
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