Self-adjustable light perception touch control circuit and displaying device

Self-adjustable light perception touch control circuit and displaying device

  • CN 102,495,699 A
  • Filed: 12/16/2011
  • Published: 06/13/2012
  • Est. Priority Date: 10/20/2011
  • Status: Active Application
First Claim
Patent Images

1. self-adjustable light sensation touch-control circuit includes:

  • One photoinduction element in order to sensing one touch-control state, and receives one first control signal, and by this photoinduction element of level activation of this first control signal;

    One variable condenser couples with this photoinduction element, and this variable condenser changes its capacitance according to the voltage difference that its two ends applied;

    AndOne on-off element couples with this variable condenser, and receives one second control signal, and by this on-off element of level activation of this second control signal.

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