Driving circuit and display driving device

A display driving device, comprising a timing controller, a source chip-on-film, a gate chip-on-film, and a driving circuit;

• wherein the timing controller is connected to the source chip-on-film and the gate chip-on-film, respectively;
• the driving circuit comprises a signal processing circuit and controlled switching circuits, wherein each of the controlled switching circuits corresponds to each sub-pixel, respectively;
• the signal processing circuit is configured to access a row start signal of a timing controller, and output a control signal according to the row start signal;
• the controlled switching circuit comprises a display switching circuit and a reference switching circuit;
• an input terminal of the display switching circuit accesses a display signal outputted by a source chip-on-film, and a controlled terminal of the display switching circuit is configured to access the control signal, a first output terminal of the display switching circuit is connected to a source of a transistor corresponding to a first portion of the sub-pixel, and a second output terminal of the display switching circuit is connected to a source of a transistor corresponding to a second portion of the sub-pixel;
• an input terminal of the reference switching circuit is configured to access a reference voltage, and a controlled terminal of the reference switching circuit is configured to access the control signal, a first output terminal of the reference switching circuit is connected to a reference voltage terminal corresponding to a first portion of the sub-pixel, and a second output terminal of the reference switching circuit is connected to a reference voltage terminal corresponding to a second portion of the sub-pixel;
• and
• the gate chip-on-film is configured to connect to gates of transistors of both portions of each of the sub-pixels;
• the control signal causes the display switching circuit to be turned on with the input terminal and the first output terminal thereof being connected, and causes the reference switching circuit to be turned on with the input terminal and the second output terminal thereof being connected;
• or, the control signal causes the display switching circuit to be turned on with the input terminal and the second output terminal thereof being connected, and causes the reference switching circuit to be turned on with the input terminal and the first output terminal thereof being connected.

A display device, comprising a display driving device, a backlight panel, and display array;

• wherein the display driving device comprises a timing controller, a source chip-on-film, a gate chip-on-film, and a driving circuit;
• wherein the timing controller is connected to the source chip-on-film and the gate chip-on-film, respectively;
• the driving circuit comprises a signal processing circuit and controlled switching circuits, wherein each of the controlled switching circuits corresponds to each sub-pixel, respectively;
• the signal processing circuit is configured to access a row start signal of a timing controller, and output a control signal according to the row start signal;
• the controlled switching circuit comprises a display switching circuit and a reference switching circuit;
• an input terminal of the display switching circuit accesses a display signal outputted by a source chip-on-film, and a controlled terminal of the display switching circuit is configured to access the control signal, a first output terminal of the display switching circuit is connected to a source of a transistor corresponding to a first portion of the sub-pixel, and a second output terminal of the display switching circuit is connected to a source of a transistor corresponding to a second portion of the sub-pixel;
• an input terminal of the reference switching circuit is configured to access a reference voltage, and a controlled terminal of the reference switching circuit is configured to access the control signal, a first output terminal of the reference switching circuit is connected to a reference voltage terminal corresponding to a first portion of the sub-pixel, and a second output terminal of the reference switching circuit is connected to a reference voltage terminal corresponding to a second portion of the sub-pixel;
• and
• the gate chip-on-film is configured to connect to gates of transistors of both portions of each of the sub-pixels;
• the control signal causes the display switching circuit to be turned on with the input terminal and the first output terminal thereof being connected, and causes the reference switching circuit to be turned on with the input terminal and the second output terminal thereof being connected;
• or, the control signal causes the display switching circuit to be turned on with the input terminal and the second output terminal thereof being connected, and causes the reference switching circuit to be turned on with the input terminal and the first output terminal thereof being connected;
• the display array is connected to the source chip-on-film and the gate chip-on-film, respectively;
• the backlight panel is configured to provide a light source to the display array.