EL gauge / Over 21 Years Smart Touch Sensor Switch Module Manufacturer | Cochief

EL Dash board / 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.


EL Automobile - EL gauge | Made in Taiwan Smart Touch Sensor Switch Module Manufacturer | Cochief

Located in Taiwan since 1998, Cochief Industrial Co., Ltd. has been a Electroluminescent, EL Panels and Light Guide Film manufacturer. Their main products, include EL Automobile, LGF, EL Panel, Light Guide Film, EL, Electroluminescent, EL Lamp, Intelligent Lighting Touch Swtich Module, Capacitive Touch Swtich Module, Flexible Touch Sensor, Flexible touch films, Tactile switch and Touch Modules, which are mainly focusing on designing and developing electro-luminescent products.

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.

Cochief has been offering customers Electroluminescent, EL Panels and Light Guide Film, both with electroluminescent advanced technology and 25 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 gauge

EL Dash board
EL Dash board

Electroluminescence is a great eye-catcher in automotive field. EL is applied for dashboard、car doorsill plate、interior design or window sticker due to its flexible、smooth and uniform lighting、 resistant to vibration and pressure 、robust and reliable quality.
Cochief accumulated many years of experience in producing EL products for different car brands all over the world. Do you want to enhance your automotive project with Electroluminescence technology? Contact us to realize your design.


EL with perfect performance in the interior space of the car. The dashboard, car door sills, light stickers, car interior atmosphere design... etc. Making your car unique.

 EL Automobile Application Actual Case:      


Foreign Client: For Personal CAR Use

Product: EL flashing traffic light

EL for Automotive Application

<Case 2> 

Client: Importer

Product: EL car dashboard



Client: After market

Product: EL door sill plates


Actual Case:

   In addition to providing a passive reflective effect, EL also increases active flashing warning signs without any dazzling problem. EL is easy to install with waterproof and anti-UV function which can be used outdoors, EL is good for night engineering work and travel to improve the safety alert effect of active warning. 




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.

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