EL Automobile

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 Automobile Manufacturing | Cochief Industrial Co., Ltd./h2>

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

Cochief's RoHS certified and patented EL Automobile 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 Automobile

Fantastic look in every car - EL in automobile

EL Dash board
EL Dash board

Electroluminescence is a great eye-catcher in and outside of every car. Dashboards, door sills or interior design - Many car manufacturer use Electroluminescence technology in their luxury furnishing car models due to its robust and reliable quality and special look. Cochief accumulated many years of experience in producing EL products for different car brands all over the globe. The smooth light is very appealing to the eye and doesn’t glare the driver or passengers while providing this unique look only EL has.

Do you have any question? Do you want to enhance your automotive project with Electroluminescence technology? Contact us and work with us together.


  • 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.

Safety & Quality Appriovals:

  • RoHS
  • ISO 9001:2008 

EL Automobile Applications

 Electroluminescent Dashboard, EL Sill plates,  EL lighting Sticker, EL lighting Pedal, Shift knob EL Backlight ,Interior and instrument lighting decoration, coach lighting, EL Warning lamp.

Electroluminescent application EL Dashboard application  EL Door Sill Plate


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