Electroluminescent KeyPad

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 Electroluminescent KeyPad

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 Electroluminescent KeyPad 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.

Electroluminescent KeyPad

Electroluminescent Backlight

Electroluminescent Backlight
Electroluminescent Backlight


Lighting Uniformity
Low power consumption
Thickness ≦0.1mm & Flexible
Customized Colors


1. Dimension: 50mm*50mm~800mm*1200mm
2. Thickness: 0.1mm~0.6mm
3. Operating Voltage: AC 40V~300V
4. Operating Frequency 50Hz~2,000Hz
5. Operating Temperature: -30℃~60℃
6. Storage Temperature: -40℃~80℃
7. Life Time SIMULATION DATA: Above 10,000Hrs (5Hrs/day usage;above 3~5years usage); Half life time: 2500~3000 hours in 24 hours running).

Safety/Quality Approvals

1. Cochief EL Product is accordance with RoHS
2. ISO 9001:2008 Certificate
3. D-U-N-S Certificate
4. TüV Taiwantrade supplier verification


(1) Backlighting
PDA, cellular phone , keypad, Calculators, game controllers, clock, radio, watch, pager and instruments.
(2) Signs
Emergency, road, house, building exit, entry, landing.
(3) Switches
Backlighting for membrane switches, domestic light switches.
(4) Automotive
Dashboard, Sill plates, Sticker, Pedal, Shift knob.
Interior and instrument lighting, coach lighting, Warning lamp.
(5) Architecture and interior design
High-tech lighting, illumination for elevator, emergency back up light for stairs.
(6) Advertising
Backlighting for advertising media, point of purchase displays.

Related Products
  • EL Keyboard - Electroluminescent Lighting
    EL Keyboard
    Electroluminescent Lighting

    For Keyboard backlight, there are options. EL Lamp can be the best choice for the uniform lighting of Key Board. With the narrow space that Keyboard requested, EL sheet have advantage of its thickness which is thinner than 0.3mm.

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