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Light guides made by specialists

Modern light guides are used for the transportation of light signals from a circuit-board-mounted LED via a particular route to a defined light-emitting surface, with minimal loss and blurring effect. They offer the electronics developer cost-effective, space-saving and easy-to-mount solutions with high ESD protection. The MENTOR range of high quality standard light guides for assembly on front panels or circuit boards includes several hundred articles, which can be supplied from stock with low minimum quantities and short delivery times. Thus it is undoubtedly among the largest product ranges of light guides in the world.
Efficient precision optics


Quality light guides from MENTOR are efficient precision optical products. As a specialist for opto-electronics, sophisticated lighting modules and innovative light control systems, we develop and produce light guides of the highest quality. Our lighting specialists set standards with their expertise and state-of-the-art development and simulation procedures. Easy-to-mount, solutions without blooming effect, with very high luminous efficiency and perfectly homogeneous lighting are made from long-life, high-performance plastics on state-of-the art injection moulding machines.
Current catalogue: LL14
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Extensive product range


MENTOR offers you an extensive range of light guides with a large number of versions for very varied applications. It comprises front panel-mountable solutions, as well as vertical or horizontal circuit board-mountable versions, single or multiple light guides, bar graph displays, different head shapes, a variety of sizes – including also miniaturised versions and flexible light guide systems.
For direct contact to your light guide specialist:
4 0211 20002-43 or
Ö LightGuide@mentor.de.com
World of Light Guide · Overview
All Light Guides Introduction | General Overview Custom Light Guide Solutions
Technical Data | LED Recommendations References Light Guides/Opto
Front panel Light GuidesDetails...Range...
Horizontal Light GuidesDetails...Range...
Vertical Light GuidesDetails...Range...
Flexible Light GuidesDetails...Range...
Miniature Light GuidesDetails...Range...
Square Light GuidesDetails...
M-CUT 2D-Light Guide SystemsDetails...
Front panel light guides


Light guides for circuit boards are always the correct solution for developing electronic devices when the light guide cannot or should not be fixed to the circuit board. Pressing the light guide in a fitting front panel borehole, makes it hover over or in front of the SMD LED without touching it. This type of assembly creates many great possibilities for the electronics developer. More about front panel light guides.

General description Summary of product range

Vertical light guides


Vertical circuit board-mountable light guides (vertical light guides) from MENTOR are used in professional electronic developments if the radiating surface on the front panel is to be positioned parallel to the circuit board. As a rule, it is fixed to the circuit board with press-fit lugs. Our range of horizontal light guides includes versions with round heads and others with a rectangular radiating surface. More about vertical light guides.

General description Summary of product range

Horizontal light guides


Horizontal circuit board-mountable light guides (horizontal light guides) from MENTOR are used in professional electronic developments if the radiating surface on the front panel is to be positioned at right angles to the circuit board. As a rule, it is fixed to the circuit board with press-fit lugs. Our range of horizontal light guides includes versions with round, square and rectangular heads. More about horizontal light guides.

General description Summary of product range

M-Cut 2D–light guide systems


Implement individual light guide solutions quickly, simply and cost-effectively, even with quite low quantities – that is the basic idea of the new M-Cut light guide system. This light guide system is based on precisely processed, homogeneous PMMA boards, which depending on the version are fully transparent or equipped with diffuser particles that as a rule are used under a diffuse film or a film keypad. Here the long-standing experience of our lighting experts ensure excellent light results. More about M-Cut 2D –light guide systems.

General description

Article selection – here you find:
M-Cut light guides...

... Area light guide
... Bar graph light guide
... Solid strip light guide
... All
Miniature light guides


The MENTOR range of miniature light guides includes more than 150 different standard options. Vertical and horizontal versions and single or multiple light guides are all available, along with miniature light guides for assembling on front panels. Developed for a grid size of 2.54 mm, the miniature light guides with round, square or rectangular radiating surfaces offer a variety of design possibilities in a very compact space. More about miniature light guides.

General description
Übersicht Sortiment

Flexible light guides


Flexible light guide systems from MENTOR are elegant, cost-effective solutions for many opto-electronic design challenges that present themselves when a product is given a new design in mid-lifecycle, for example. MENTOR offers flexible solutions for SMD and THT LEDs with 1,000 μm, 2,000 μm and 3,000 μm fibres and transparent, but also coloured lenses. The flexible light guides are fixed to the circuit board over a TOPLED by means of press-fit lugs; the lenses are fixed on the front panel. More about flexible light guides.

General description Summary of product range

Article selection – here you find:
Flexible light guide...

... for SMD LEDs
... for THT LEDs
... Accessories
Square light guides


As well as high functionality, aesthetic aspects are becoming more and more important in the design of modern machines and devices. Square light guides offer designers and device developers new possibilities to design their products in an individual way and differentiate them from products of competitors. More about square light guides.

General description

References


Customers from all over the world trust in the competence and reliability of MENTOR and the tried and tested quality of our products. Many of them have done so for decades. Here is a short extract from the list of projects implemented in the light guide systems field. More about references.
Custom light guide solutions


Implementing customised solutions is one of the core competences of MENTOR. A special length (Size A) can in many cases be implemented simply and at only minimal cost in tools. Experienced product developers, together with our customers, produce the best and most cost-effective solution in each case. More about custom light guide solutions.
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