Pixel structure of a display
View Patent ↗A pixel structure of a display. A scanning electrode is provided to scan signals and a data electrode is used to provide data signals. Also, a first switch transistor comprises a first terminal for receiving the scanning signals and a second terminal for receiving the data signals, in which the first switch transistor outputs a switch signal in accordance with the scanning signal and the data signal. A display unit is coupled to the first switch transistor and outputs image data in accordance with the switch signal. A second switch transistor is coupled to the first switch transistor in which the second switch transistor becomes conductive according to the switch signal and a blanking signal provided by the exterior power so as to modify the image data.
1. A pixel structure of a display, comprising:
a scanning electrode for providing scanning signals;
a data electrode for providing data signals;
a first switch transistor which comprises a first terminal for receiving the scanning signals and a second terminal for receiving the data signals, wherein the first switch transistor outputs a switch signal in accordance with the scanning signal and the data signal, and first switch transistor is a thin film transistor;
a display unit coupled to the first switch transistor, wherein the display unit outputs image data in accordance with the switch signal; and
a second switch transistor coupled to the first switch transistor, wherein the second switch transistor becomes conductive according to the switch signal and a blanking signal provided by the exterior power so as to modify the image data, the second switch transistor is a metal-insulation-metal transistor, and the second switch transistor includes:
a storage capacitor coupled to the first switch transistor to regulate the bias of the display unit;
a first diode which comprises a first cathode terminal coupled to the first switch transistor and a first anode terminal for receiving the blanking signal; and
a second diode which comprises a second anode terminal coupled to the first switch transistor and a second cathode terminal for receiving the blanking signal.
2. The pixel structure of a display according to claim 1 , wherein the display unit is a liquid crystal display (LCD) unit.
3. The pixel structure of a display according to claim 1 , wherein the display unit comprises:
an organic light emitting diode (OLED) unit; and
a third switch transistor which comprises a gate electrode coupled to the first switch transistor and a drain electrode coupled to an anode terminal of the OLED unit.
4. The pixel structure of a display according to claim 3 , wherein the third switch transistor is a thin film transistor.
5. A pixel structure of a display, comprising:
a scanning electrode for providing a scanning signal;
a data electrode for providing a data signal;
a switch transistor having a gate terminal for connecting to the scanning signal, a source terminal for connecting the data signal, and a drain terminal for generating a switch signal according to the scanning signal and the data signal;
a display unit coupled to said switch transistor, wherein said display unit outputs an pixel image according to the switch signal; and
a blanking means comprising:
a capacitor coupled to the drain terminal of said switch transistor;
a first diode having a first cathode terminal coupled to the drain terminal of said switch transistor and a first anode terminal for connecting to an external blanking signal; and
a second diode having a second anode terminal coupled to said switch transistor and a second cathode terminal for connecting to the blanking signal.
6. The pixel structure of a display according to claim 5 , wherein said display unit is a liquid crystal display (LCD) unit.
7. The pixel structure of a display according to claim 5 , wherein said display unit comprises:
an organic light emitting diode (OLED) unit; and
a second switch transistor having a gate terminal coupled to the drain terminal of said first switch transistor and a drain terminal coupled to an anode terminal of said OLED unit.