Light guide film (LGF) for mobile phones, mp3, mp4, PDA, PPC, electronic dictionaries, car navigation instrument, such as electronics backlighting is one new type of light-guiding devices, in place of EL function of the trend. With the adoption of this cutting-edge technology and optical design method, based on 1-4 LED, the light-emitting surface uniform and high-brightness can be obtained. Through the hot-embossing method, will die on the precise optical dots or micro-prism structure etc. on the surface of PC.

Please download? the specifications about LGF applications.

Advantages

• ?Light, soft, thin etc. To save space of phone.
• To save power, for small size of mobile phone edge-lit backlight only two LED lamps can be generally.
• Backlight effect well.
• The structure itself, no part of the special requirements of the circuit.
• The physical stability, wear-resistant, long service life.
• With the metal film button (MDF: metal Dome Foil) combination of on-chip compression does not affect the Dome touch.?

(a) mobile cover ; (b) LGF structrure for keypad

(c) LGF applications

?????????

LGF of keypad

?????

LGF for keyboard

LGF for BLU

Performances

• Materials: PC, PET, and other optical films
• Thickness: 0.1mm, 0.125mm, 0.178mm, 0.254mm, 0.3mm, 0.381mm
• Size: 150mm × 150mm (can be designed in accordance with the requirements of customers)
• Optical properties: brightness> 40cd/m2, uniformity> 45%
• Reliability: 50 million test compression, low-temperature high-impact, high-temperature and high humidity test
• Adhesive:? post adhesive tape, Brush gum (or in accordance with the custom mode)
• Life: tow years (-5 ℃ ~ 35 ℃, RH 10% ~ RH 75%)