EL Advertisment

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.


Over 21 Years of EL Advertisment Manufacturing | Cochief Industrial Co., Ltd./h2>

Cochief Industrial Co., Ltd., since 1998, is a EL Advertisment manufacturer that is mainly focusing on designing and developing electro-luminescent product from Taiwan.

Cochief's RoHS certified and patented EL Advertisment are sold worldwide. Along with the newly introduced products, including electroluminescent keypads, flexible touch-switch, EL plates, EL inverters, light guide products, LED plates and lamps, Cochief has become a leading supplier with a great reputation.

Both with electroluminescent advanced technology and 21 years' manufacturing experience of EL Panels and Light Guide Film, Cochief ensures each customer's demands are met.

EL Advertisment

Unique and stylish EL effects for your advertisment

EL Animation
EL Animation

Do you want to advertise your products in an exclusive and impressive way? What about an advertisement which can tell its own story? We are able to design special EL effects by lighting up different areas with different colors one after another to create a moving picture.

Electorluminescent panels for advertisement are processed with high quality and best brightness to assure to catch the customers eye by its bright customizable colors and effects. EL panels are independet of the individual viewing angle and provide an uniform light to assure to be seen from every location. The Technology is really robust and therefore able to be placed outside or inside. 


  • Thickness: < 0.5mm, flexible, lightweight
  • Independent of viewing angle, uniform light
  • Life not affected by vibration or mechanical shock.
  • Connection can be located anywhere on the lamp.
  • Versatile drive conditions.
  • Life not affected by vibration or mechanical shock.
  • Performance not affected by power cycling.
  • Virtually designed to any size or shape, with holes or flat surface.
  • Low power consumption.
  • Multiple colors: blue, blue-green, green, pink-white and others.
  • Solid-state reliability
  • Resistant to heat and no heat generating
  • Individually addressable lit areas
  • Reasonable cost 



  • Dimension: 50mm x 50mm ~ 800mm x 1200mm
  • Thickness: 0.1mm ~ 0.6mm
  • Operating Voltage: AC 40V~ 300V
  • Operating Frequency: 50Hz ~ 2,000Hz
  • Operating Temperature: -30℃~60℃
  • Storage Temperature: -40℃~80℃
  • Life time simulation data: Over 10,000Hrs (5Hrs/day usage time can be used over 3~5 years)
  • Half life time: 2,500 ~ 30,000 hours in 24 hours running.

 EL Panel Data Chart (Conditions: 100Vrms / 400Hz)

EL Panel Standard Size Chart

Safety & Quality Approvals

  • RoHS
  • ISO 9001:2008


  • Backlighting for advertising are applied to display such as MRT Cabin, Emergency Sign, Bus Cabin, Billboard, Security Sign, Train Carriage, Badge, Airplane Instrumentation, Bus Stops, Airport Signage.
  • EL also can be used to light up various items in restaurants and bars such as Beer Sgn, Food Sign, Menu, Table, Reception Podium, Floor Mats.
  • Also for trade show booth, we can make the Company Logo, panel for Front Booth or Podium. 


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Press Release