YONGTEK have long been dedicated to the development and manufacturing of optical films. With the rapid growth of LED lighting, automotive displays, Mini LED, and e-paper applications, our product portfolio has continuously evolved to meet emerging market demands.
For our clients, YONGTEK's optical films are not just materials — they represent stable quality and trusted performance.
Finding the Right Optical Film for Every Application
From lighting and display to industrial equipment and automotive electronics, each application requires a unique optical solution.
YONGTEK’s optical film series covers five key categories:
Light Diffuser, Brightness Enhancement, Light-Guide, Reflective, and Light Control & Functional Optical Films.
Light Diffuser Series — Softer, More Uniform Light Performance
We offer a full selection of light diffuser sheets, ranging from PET and PC materials to automotive-grade and optical diffusers for AOI inspection.
- PET Diffuser Sheet: Available in multiple transmittance and haze levels, ideal for Led lighting and backlight modules.
- PC Diffuser Sheet: Provides better stability under high-temperature environments, suitable for automotive and industrial applications.
- Automotive Diffuser Sheet: Provides higher haze level and good anti-vibration performance, suitable for automotive electronic applications.
- AOI Optical Diffuser Sheet: Designed for inspection light sources; high haze effectively eliminates uneven brightness.
- Angle Bending Diffuser Film: Provide unique light shaping effect, ideal for lighting applications.
- Mini LED Diffuser Film: Special microstructures maintain high light uniformity even at 0 OD.
These materials are widely used in LED fixtures, backlight module, automotive displays, automotive interior lighting and visual inspection light sources.
We work closely with B2B partners, including optical film converters and LED lighting and backlight module manufacturers, to co-develop customized solutions.
Brightness Enhancement Series — Brighter and More Energy-Efficient
Our brightness enhancement films (BEF) and dual brightness enhancement films (DBEF) significantly improve luminance and energy efficiency.
Especially in display and backlight applications, YONGTEK’s optical enhancement films enable thinner structures while achieving higher optical performance.
Recommended For: lighting products, LED backlight modules, medical devices, and optical inspection equipment.
Light-Guide Series — Slim, Flexible, and Customizable
From light guide films to front-light panels for e-readers, we design custom micro-optical patterns based on each customer’s LED layout, light-input design, and brightness requirements — delivering high luminance with excellent uniformity.
Recommended For: A variety of applications such as automotive atmosphere lighting, medical devices, RBG illuminated keyboards, illuminated touch button and epaper display applications.
Reflective Series — Maximizing Light Efficiency
Our high-reflectivity PET films effectively recycle stray light, improving overall optical efficiency and reducing power consumption.
They are ideal for various lighting fixtures, backlight modules and electronic devices.
Light Control & Functional Optical Films — Beyond Optics
From UGR< 16 anti-glare films to automotive privacy filters, we extend optical functionality into visual comfort and driving safety.
In addition, our anti-shatter film and touch screen protective film series — including anti-shatter, touch-screen, and display protection films — integrate HC (hard coating), AR (anti-reflection), and AG (anti-glare) technologies to provide comprehensive surface protection solutions.
Work with us — Our Advantage
YONGTEK continues to supply high quality optical materials worldwide, supporting diverse applications in lighting, display, industrial control, and automotive electronics.
We understand the needs of every link in the B2B supply chain — from film converters and module manufacturers to OEMs and brand owners — and provide flexible, stable supply with efficient product integration.
If you’re looking for a reliable optical film manufacturer or a custom optical film supplier, we welcome you to partner with YONGTEK to develop next-generation, high-efficiency optical solutions.
