DCC&ITO Solution
                                         FEB, 2007




                         “Change the World”
3rd fl...
DCC Introduction(1)
The Principle of Capacitive Touch
   Allow design flexibility:
    – Free from pad size, pad location,...
DCC Introduction(2)
Touch Operation of DCC
Case of Finger Touch Not Presented:
     (a) Touch PAD System Model,       (b) ...
ITO Introduction
ITO (Indium Tin Oxide) Specification
 • Construction
                       Protection Film
             ...
ITO touch with DCC solution
               ITO Touch Module

                                        DCC
                 ...
ITO&DCC Application
Vertical Structure
Window Screen          ITO Sensor Screen          case




LCD Module           FPC...
ITO&DCC DEMO Set
5Key Mobile Phone
DCC&ITO Solution Advantages

 与Touch Screen相比,价格很低.


 不使用外部机械按键.


 没有机械按键,可扩张 LCD面积.


 使设计更加多元化.
Thanks

    @ Lab
       Advanced Technology



“Change the World”
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Dcc X Ito Solution Rev.0.3

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Dcc X Ito Solution Rev.0.3

  1. 1. DCC&ITO Solution FEB, 2007 “Change the World” 3rd floor, SeogAm Bld. 1082-12, PoongDuckChun-Dong, SuJi-Gu, YongIn-Shi, KyungGi-Do 449-172, Korea (Tel)+82-31-266-3082, (Fax)+82-31-266-3083 www.atlab.co.kr
  2. 2. DCC Introduction(1) The Principle of Capacitive Touch Allow design flexibility: – Free from pad size, pad location, cover thickness, PCB variation – Capable of on-board, not on additional board Result in same sensitivity all the time Insulator (Set cover) Touch PAD (Copper) A PCB CTouch = ε DCC D Ctouch: The capacitance induced between finger and touch pad when touched. ε : the constant value of permittivity (Air=1,Glass= 10, Acryl=5~10, Rubber=2~3) D : The thickness of Set Cover A : The size of Touch Pad
  3. 3. DCC Introduction(2) Touch Operation of DCC Case of Finger Touch Not Presented: (a) Touch PAD System Model, (b) Impedance Status Impedance Zin Zin Change Finger not Detection present Zref Zref (a) Zref > Zin (b) Case of Finger Touch Presented: (a) Touch PAD System Model, (b) Impedance Status Ztouch Impedance Zin Zin Change Finger Detection present Zref Zref Ztouch (a) (b)
  4. 4. ITO Introduction ITO (Indium Tin Oxide) Specification • Construction Protection Film ITO(100~200Å) Under coat Layer Hard coat Layer PET File(175um) Hard coat Layer • Transmittance: 88% • Total Thickness : 0.2mm • Surface Resistance: 450+/-120Ω/sq • Patten Pitch Length
  5. 5. ITO touch with DCC solution ITO Touch Module DCC Main Board DMB Attaching MCU NAV MP3 OK FPC ITO Sensor Screen
  6. 6. ITO&DCC Application Vertical Structure Window Screen ITO Sensor Screen case LCD Module FPC Main Board OFF Power ON Power LED
  7. 7. ITO&DCC DEMO Set 5Key Mobile Phone
  8. 8. DCC&ITO Solution Advantages 与Touch Screen相比,价格很低. 不使用外部机械按键. 没有机械按键,可扩张 LCD面积. 使设计更加多元化.
  9. 9. Thanks @ Lab Advanced Technology “Change the World”

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