We are professional manufacture to provide unique and versatile EL Panel, Light Guide Film and Flexible Touch Sensor for Swithces


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e-Catalogues of Cochief

冷光 (電激發光元件)

Electro Luminescent Catalogue Download

Application of EL Products: 

1. LCD Backlighting: Calculators, Clocks, Watches, Scales, Instruments.

2. Name Plates & Switches: Backlighting for membrane switches & name plates, Domestic light switches. 

3. Keypad: Remote Controllers, Membrane switches.

4. Automative: Dashboard, Sill plates, Warning lamps, Stickers, Interior and instrument, lighting, Coach lighting

5.Home Decoration: EL Wall sticker applications.

LED 盤燈

LED Plate Light Catalogue Download

The single unit of LED plate light is in the sizes of 300x300mm with the thickness only 35mm. Because of its design, customer can self-assemble
these LED plate lights into various sizes.

Applications: Ultra-thin light boxes、Signs、POP Displays、Bus shelter signs、Airport light boxes、MRT light boxes、Menu Board、X-ray film light boxes...etc.

LED 薄型燈箱

LED Slim Lighting Board Catalogue Download

LED Slim Lighting Board is a new revolution of traditional lighting boxes. The thinner LED slim lighting board is less than 10 mm, its thickness is only half of the traditional one. 

Without restriction of metal frame,light board is no longer
confined to a square shape. It could be made with various
of curve modeling, but also greatly reduce the product
weight. Right now our standard Board size is A4 and B6.

LED Slim Light Boxes are suitable for Advertisments, Restaurants,Night Clubs, Kiosks, Schools,Hospitals,Bulletin board,Public Space,and Showroom...etc.

light guide

Light Guide Film Catalogue Download

Light Guide Film are designed for effective use of LED edge light sources. Light from the LED sources is internally reflected down the length of LGF to the various viewing areas. This new technology patterning allows light to be efficiently and uniformly directed where light is desired in a very thin profile film.

Applications: Keypad, Keyboard, Sign, Logo, Backlight for LCD. Advertising displays, Kiosks, Bulletin boards, Showrooms, Automotive, Exhibition /Trade shows, Traffic signboards, Public transportation stops, Accessories … etc.


TOUCH SWITCH Catalogue Download

COCHIEF is capable of offering the total solution of design and produce whole module.
Also we can use LED light guide or EL backlight to design an extraordinary lighting switch which can replace traditional type switches and membrane keypads.

Applications: IoT Control Board of devices 、Automotive devics、 Household compliance、 remote control、keyboard、Stereo devices、Medical device and equipment、Industrial equipment.

EL Product Test Report


 EL Backlight REACH Report


 EL Keypad Reach Report



 EL Backlight ROHS Report


 EL Keypad ROHS Report


 EL Product Halogen Free Report

Press Release