Transmitter circuit, transmission circuit and driver unit
View Patent ↗A transmitter circuit includes a driver circuit including a non-inverting output terminal and an inverting output terminal for outputting a signal current, which has a loop direction that changes based upon an input signal, to the non-inverting output terminal and the inverting output terminal and an output-waveform control circuit for detecting a waveform edge of the input signal and responding by increasing the signal current temporarily. The output-waveform control circuit includes a first inverter circuit receiving a non-inverted input signal, a first capacitor including one end connected to an output terminal of the first inverter circuit and another end connected to the inverting output terminal, a second inverter circuit receiving an inverted input signal, and a second capacitor including one end connected to an output terminal of the second inverter circuit and another end connected to the non-inverting output terminal.
1. A transmitter circuit, comprising:
a driver circuit comprising a non-inverting output terminal and an inverting output terminal for outputting a signal current, which has a loop direction that changes based upon an input signal, to the non-inverting output terminal and the inverting output terminal; and
an output-waveform control circuit for detecting a waveform edge of the input signal and responding by increasing the signal current temporarily,
wherein said output-waveform control circuit includes:
a first inverter circuit receiving a non-inverted input signal;
a first capacitor comprising one end connected to an output terminal of said first inverter circuit and another end connected to the inverting output terminal;
a second inverter circuit receiving an inverted input signal; and
a second capacitor comprising one end connected to an output terminal of the second inverter circuit and another end connected to the non-inverting output terminal.
2. The transmitter circuit according to claim 1 , wherein said driver circuit includes:
a first transistor for receiving a non-inverted input signal and switching in response to pass a current from a high-potential power supply to the non-inverting output terminal;
a second transistor for receiving an inverted input signal and switching in response to pass a current from the non-inverting output terminal to the low-potential power supply;
a third transistor for receiving the inverted input signal, and switching in response to pass a current from the high-potential power supply to the inverting output terminal; and
a fourth transistor for receiving the non-inverted input signal and switching on in response to pass a current from the inverting output terminal to a low-potential power supply.
3. A transmission circuit, comprising:
the transmitter circuit as set forth in claim 1 ;
a transmission line comprising one end connected to the non-inverting output terminal and the inverting output terminal of said transmitter circuit; and
a receiver circuit connected to the other end of said transmission line.
4. A transmitter circuit, comprising:
a driver circuit, the driving circuit comprising a non-inverting output terminal and an inverting output terminal, for outputting a differential voltage, whose polarity changes based upon an input signal, to the non-inverting output terminal and inverting output terminal; and
an output-waveform control circuit for detecting a waveform edge of the input signal and responding by increasing the differential voltage temporarily,
wherein said output-waveform control circuit includes:
a first inverter circuit receiving anon-inverted input signal;
a first capacitor comprising one end connected to an output terminal of said first inverter circuit and another end connected to the inverting output terminal;
a second inverter circuit receiving an inverted input signal; and
a second capacitor comprising one end connected to an output terminal of the second inverter circuit and another end connected to the non-inverting output terminal.
5. A transmission circuit, comprising:
the transmitter circuit as set forth in claim 4 ;
a transmission line comprising one end connected to the non-inverting output terminal and the inverting output terminal of said transmitter circuit; and
a receiver circuit connected to the other end of said transmission line.
6. The matrix display panel according to claim 5 , further comprising the transmission line comprising one end connected to the non-inverting output terminal and the inverting output terminal of said transmitter circuit.
7. The matrix display panel according to claim 6 , wherein said transmission line comprises a conductor on a glass substrate of the matrix display panel.
8. A matrix display panel, comprising:
a shift register circuit receiving grayscale data for driving data lines of the matrix display panel of the chip-on-glass environment; and
the transmitter circuit as set forth in claim 4 , connected to a serial output end of said shift register circuit.