The best reader,light guide technology of optical plate,to light up through the point to plane | Lighting | Light Guide | Film | Electro Luminescent Lamp Manufacturer | Cochief

Customized front light guide panel | Cochief provides total solution of light source solution to create more innovative products with customers.

Flexible Touch Sensor

Flexible Touch Sensor

Check out our new product group, the Flexible Touch Switch and see how you can use our technology for your type of product!

EL on Fabric

EL on Fabric

Now you can print EL fabric! Enhance your products with our electroluminescent panels.


Front Light Guide Film | Capacitive Touch Switch Modules & Displays Manufacturer | Cochief

Located in Taiwan since 1998, Cochief Industrial Co., Ltd. has been a backlight applications and touch switch solutions manufacturer. Their main products include, Front Light Guide Film, cuttable EL panel, light guide film, EL wire, light display electroluminescent, EL lamps, intelligent lighting control module, capacitive touch switch module, capacitive touch sensor, flexible touch film, tactile switch and touch module, which are mainly focusing on designing and developing electro-luminescent products.

COCHIEF was established in February, 1998. We mainly produce electro-luminescent that known as “EL”. “KEEPING PROGRESS & BEST QUALITY” as the key spiritual principle strongly persisting in Cochief. Keep improving the manufacturing capability as well as pursuing innovative ability in order to match the multi-developing markets. Also being eco-friendly matched as ROHS compliance products. with more than 20 years manufacturing experience in producing EL Panel, Light Guide Film and Intelligent Touch Switches Modules for customers in global market from Taiwan.

Cochief has been offering customers backlight applications and touch switch solutions, both with advanced technology and 25 years of manufacturing experience, Cochief ensures each customer's demands are met.

Front Light Guide Film

Customized front light guide panel(FLGF)

The best reader,light guide technology of optical plate,to light up through the point to plane

Customized front light guide panel
Customized front light guide panel

Front light guide plate - an application of side view LED lighting as light guide plate. It is a kind of effective lighting that guides the light source and reflects the light on reading surface.
A LED light guide is often applied as auxiliary lighting in dark environment such as bedroom and aircraft cabin. It only illuminates the reading surface softly without disturbing neighboring persons.
The thickness of the front light plate is approx 0.1~0.6mm. It is soft and the microstructure light guide particles are small, which is easy to be combined with the product to provide customers with appropriate illumination.


the material is ultra-thin、soft and uniform, the product size can be customized, effectively reducing the number of LEDs used. Implment front light board to the machine and equipment to read the information clearly.

Structure diagram

Practical application

  • You can read the letters clearly in the dim environment.(photo 1)(photo 2)(photo 3)


  • Size:85mm*54mm~210mm×148mm
  • Thickness:0.3mm~0.5mm
  • Brightness:取決於LED設計
  • Light Uniformity:50%
  • RoHs Compliant

Feature of product

  • Very thin
  • Low power consumption
  • Competitive price
  • Brighter light with fewer LEDs
  • Customized Design
  • Homogeneous brightness
  • Long life
  • Various designs

Application field

  • Small e-paper
  • E-reader
  • E-book
  • LCD

Cochief's Advantage

Press Release