EL gauge | Lighting | Light Guide | Film | Electro Luminescent Lamp 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 | 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, EL Automobile, 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.

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.

Cochief's Advantage

Press Release