We light the way to new market opportunities.

About Global Lighting Technologies, Inc.

Since 2000, GLT has led the industry in advanced light guide development. We take a collaborative approach – from discovery and design through prototyping and manufacturing – for virtually any custom light guide application. With nearly two-million-square feet of ISO- and IATF-certified manufacturing space and more than 2,400 employees worldwide, GLT is committed to providing the efficiency and high quality that our innovative clients require.

So, when you need it brighter, more uniform and more efficient – with fewer components or a lower overall cost – contact GLT, your partner in emerging light guide technology.


Inside Our Facilities

We bet you have a bright idea.

Let’s see how GLT can help make it a reality.

For even more information about GLT, view our company presentation at the link below.


Resources

GLT Innovation Timeline

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1995

First Printed Light Extraction Pattern Created

This innovation initiated the development of solid-state light guide manufacturing.

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1997

MicroLens Light Extraction Technology Invented

Enabled light extraction patterns to be created within injection molds, allowing higher volume output, lower cost, and brighter products.

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2000

Global Lighting Technologies Inc. Formed

Merged optical design and extraction technology with Asian manufacturing facilities, positioning the company for high-volume, low-cost light guide market growth.

Zhongli Factory Opened in Taiwan

Factory opens to focus on engineering and training with limited roll-to-roll extrusion lines, prototyping with soft tools, and rapid simulations. We implement AI and machine learning to automate assembly processes and detect defects.

Zhongli building
Suzhou Loc
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2008

Suzhou Factory Opened in China

Factory opens to support thin film light guide production using a newly developed thermal embossing process, designed for thin portable and tablet devices.

Suzhou Loc
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2011

Initial Public Offering Announced

Global Lighting Technologies went public.

Extrusion Embossing Process Developed

Led to the creation of larger, thinner light guides adopted by LCD TV and general lighting industries.

Received a Navico Supplier of the Semester Award
navico award
Tongluo Loc
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2017

Tongluo Factory Opened in Taiwan

Factory opens to focus on thin film extrusion to enable the production of light guides with tapered entrance regions for increased efficiencies.

Tongluo Loc
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2019

SPE Automotive Innovation Awards

“Most Innovative Use of Plastics” Finalist

SPE award
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2021

Gentex Supplier of the Year Award

Recognized for excellence in design, development, quality, pricing, and delivery.

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2023

Gentex Supplier of the Year Award

Recognized for excellence in design, development, quality, pricing, and delivery for a second time.

Gentex 2023 Award
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2025

Ha Nam Factory Opening in Vietnam

Factory opens to support the expansion of our manufacturing capabilities in Southeast Asia with clean room assembly.

Ha Nam in Progress
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Careers

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Locations

Our global team includes five manufacturing facilities.

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Financials

Visit our Yahoo! Finance page to learn more.

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