EL Advertisment

EL lamp / 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.


Cochief's EL Advertisment

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

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 lamp

EL Animation
EL Animation

Slim、light and large size of Electroluminescent lamps are commonly applied in the advertisement.
We can design special EL effects by lighting up in different areas with different colors to create a moving display to match the customer’s request.

Within delicate animation effect and vibrant color backlight, to tell your story vividly, this is a typical EL lighting animation poster.

Cochief ‘s Electroluminescent panels for advertisement are processed with high quality, best brightness, no heat generated and lighting uniformity. EL panels are independent of the individual viewing angle and provide uniform light to assure to be seen from every area.
You will never feel dazzling even you close to watch it.
EL animation is the best way for advertisement.


Within delicate animation effect and vibrant color backlight, to tell your story vividly, this is a typical EL lighting animation poster.

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

EL Panel Standard Size Chart


  • 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 ~ 0.6m
  • 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.


  • 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 Be
  • er 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. 

Safety & Quality Approvals

  • Reach
  • RoHS
  • ISO 9001:2015

Press Release