Electrode assembly for display device

Electrode assembly for display device

  • CN 102,804,114 B
  • Filed: 06/15/2010
  • Issued: 04/16/2019
  • Est. Priority Date: 06/24/2009
  • Status: Active Grant
First Claim
Patent Images

1. one kind is used for the electrode assembly of capacitance type sensor (S), the capacitance type sensor is for contactlessly test objectPosition and/or close, the electrode assembly have sensor electrode (E) and the first bucking electrode (SE1), whereinThe sensor electrode (E) is arranged on the first side (TM1) of the carrier material (TM) of plane earth composition to radiate alternationElectric field, wherein the close or position of the change instruction object of the alternating electric field radiated, and- the first bucking electrode (SE1) is arranged in second side (TM2) of carrier material (TM) and for relatively shielding by passingThe alternating electric field of sensor electrode (E) transmitting,Wherein the sensor electrode (E) is arranged to the variation of the alternating electric field of sensing radiation,The electrode assembly further has secondary shielding electrode (SE2), and wherein secondary shielding electrode (SE2) is arranged in the loadOn first side (TM1) of body material (TM), whereinThe sensor electrode (E) can by be arranged printed conductor (L) on the first side (TM1) of carrier material (TM) withElectronic device (A) coupling is analyzed,The secondary shielding electrode (SE2) between sensor electrode (E) and printed conductor (L) and with sensor electrode (E) andIt is arranged with having spacing with printed conductor (L), and the secondary shielding electrode is used for opposite printed conductor (L) shielding by sensor electricityThe alternating electric field of pole (E) transmitting, andSensor electrode (E), secondary shielding electrode (SE2) and printed conductor (L) are respectively structured as strip, wherein secondary shieldingElectrode (SE2) is more wider than the printed conductor (L).

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