Embedded optical induction input device and method of implementing the same

An embedded optical induction input method, through which a first transistor and a second transistor are used to convert induction current signals generated by at least a light sensing circuit into the induction voltage signals, including the following steps:

• applying a high level voltage and a low level voltage respectively to a gate of said first transistor and a gate of said second transistor, thus turning on said first transistor and turning off said second transistor, and converting said induction current signals into said induction voltage signals as an output by means of said first transistor;
• applying said low level voltage and said high level voltage to said gate of said first transistor and said gate of said second transistor, thus turning off said first transistor and turning on said second transistor, and converting said induction current signals into said induction voltage signals as said output by means of said second transistor;
• and
• repeating the above-mentioned steps, converting said induction current signals generated by said light sensing circuit into said induction voltage signals in turn by means of said first transistor and said second transistor.

An embedded optical induction input device, comprising:

• a plurality of induction input units arranged in array, each of said respective induction input units includes:
• at least a light sensing circuit;
• and
• a conversion circuit, including a first transistor and a second transistor, a source of said first transistor is connected to a source of said second transistor, and said source of said first transistor and said source of said second transistor are both connected to said light sensing circuit, a drain of said first transistor is connected to a first bias line, a gate of said first transistor is connected to a third bias line, a drain of said second transistor is connected to a second bias line, a gate of said first transistor is connected to a fourth bias line.

An embedded optical induction input device, comprising:

• a plurality of induction input units arranged in array, each of said respective induction input units includes:
• at least a light sensing circuit generating an induction current signal based on intensity of light irradiation received;
• a conversion circuit, including a first transistor and a second transistor connected to each other, said first transistor and said second transistor are connected to said light sensing circuit, and converts said induction current signal into an induction voltage signal based on the first transistor and the second transistor alternative switching in turn;
• two bias lines, connected respectively to said first transistor and said second transistor to provide voltages of opposite phases to said first transistor and said second transistor;
• and
• said two bias lines are a first bias line and a second bias line, so that a gate of said first transistor is connected to said second bias line, a drain of said first transistor is connected to said first bias line, and a source of said first transistor is connected to a source of said second transistor, a gate of said second transistor is connected to said first bias line, a drain of said second transistor is connected to said second bias line, wherein, said source of said first transistor and said source of said second transistor are connected to said light sensing circuit.

An embedded optical induction input device, comprising:

• a plurality of induction input units arranged in array, each of said respective induction input units includes:
• at least a light sensing circuit generating an induction current signal based on intensity of light irradiation received;
• and
• a conversion circuit, including a first transistor and a second transistor connected to each other, said first transistor and said second transistor are connected to said light sensing circuit, and converts said induction current signal into an induction voltage signal based on the first transistor and the second transistor alternative switching in turn;
• two bias lines, connected respectively to said first transistor and said second transistor to provide voltages of opposite phases to said first transistor and said second transistor;
• and
• said two bias lines are a first bias line and a second bias line, a gate of said first transistor is connected to said first bias line, a drain of said first transistor is connected to a constant voltage source, and a source of said first transistor is connected to said source of said second transistor, said gate of said second transistor is connected to said second bias line, a drain of said second transistor is connected to said constant voltage source, wherein, said sources of said first transistor and said second transistor are connected to said light sensing circuit.