Abstract: An active matrix organic light emitting diode pixel (AMOLED) pixel structure includes a plurality of sub pixels, wherein at least one of the sub pixels comprises two secondary sub pixels, and the secondary sub pixels are disposed with organic light emitting materials with different light emitting characteristics respectively, so that lights emitted from the secondary sub pixels are mixed to adjust the performance of the sub pixels.

Abstract: A pixel array substrate includes a first substrate, pixel units, data lines, scan lines, constant voltage lines, a constant voltage source, a constant voltage pad, and a conductive pattern. The first substrate has pixel regions and a peripheral region surrounding the pixel regions. The conductive pattern includes conductive lines interlaced with each other to form a net and a conductive frame that surrounds and is electrically coupled to the conductive lines. The conductive frame is in electrical contact with the constant voltage pad within the peripheral region. Each pixel region is defined by two adjacent scan lines and two adjacent data lines. A portion of one of the constant voltage lines located completely within each of the pixel regions is in electrical contact with one of the conductive lines within the pixel region. An OLED display including the pixel array substrate and another OLED are also provided.

Abstract: A pixel circuit of an organic light emitting diode (OLED) is provided. The pixel circuit includes an OLED, a first transistor, a second transistor and a capacitor. The OLED receives a first voltage. A terminal of the first transistor is coupled to the OLED, and another terminal of the first transistor receives a second voltage. A terminal of the second transistor is coupled to the terminal of the first transistor, another terminal of the second transistor is coupled to a control terminal of the first transistor, a control terminal of the second transistor receives a scan signal. The capacitor is coupled between the control terminal of the first transistor and a third voltage. When the scan signal is enabled, the second voltage is set to a data voltage, the third voltage is set to a reference voltage, and the first voltage is set to a low voltage.

Abstract: An active matrix organic light emitting diode pixel (AMOLED) pixel structure includes a plurality of sub pixels, wherein at least one of the sub pixels comprises two secondary sub pixels, and the secondary sub pixels are disposed with organic light emitting materials with different light emitting characteristics respectively, so that lights emitted from the secondary sub pixels are mixed to adjust the performance of the sub pixels.

Abstract: A pixel driving circuit of an organic light emitting diode includes a first transistor including a first terminal, a control terminal and a second terminal and a capacitor including a first terminal and a second terminal. The first terminal and the second terminal of the capacitor are electrically coupled to the first terminal and the control terminal of the first transistor at a first node and a second node respectively. In a first period, a power source does not provide a power supply voltage to the first node, and a data voltage and a variable voltage are written in the first node and the second node respectively. In a second period, the power source provides the power supply voltage to the first node. The first transistor provides a driving current to an organic light emitting diode based on the voltage of the first node and the second node.

Abstract: A pixel driving circuit of an organic light emitting diode includes a first transistor including a first terminal, a control terminal and a second terminal and a capacitor including a first terminal and a second terminal. The first terminal and the second terminal of the capacitor are electrically coupled to the first terminal and the control terminal of the first transistor at a first node and a second node respectively. In a first period, a power source does not provide a power supply voltage to the first node, and a data voltage and a variable voltage are written in the first node and the second node respectively. In a second period, the power source provides the power supply voltage to the first node. The first transistor provides a driving current to an organic light emitting diode based on the voltage of the first node and the second node.

Abstract: A pixel circuit of an organic light emitting diode (OLED) is provided. The pixel circuit includes an OLED, a first transistor, a second transistor and a capacitor. The OLED receives a first voltage. A terminal of the first transistor is coupled to the OLED, and another terminal of the first transistor receives a second voltage. A terminal of the second transistor is coupled to the terminal of the first transistor, another terminal of the second transistor is coupled to a control terminal of the first transistor, a control terminal of the second transistor receives a scan signal. The capacitor is coupled between the control terminal of the first transistor and a third voltage. When the scan signal is enabled, the second voltage is set to a data voltage, the third voltage is set to a reference voltage, and the first voltage is set to a low voltage.

Abstract: An oxide semiconductor thin film transistor includes a substrate, a gate electrode, an oxide semiconductor layer, a gate insulation layer, an oxide source electrode, an oxide drain electrode and a metal connection component. The gate insulation layer is at least partially disposed between the gate electrode and the oxide semiconductor layer. The oxide source electrode and the oxide drain electrode are respectively disposed at least partially between the oxide semiconductor layer and the substrate. The metal connection component is disposed on the substrate, and the metal connection component overlaps the oxide source electrode in a vertical projective direction perpendicular to the substrate. The metal connection component does not overlap the oxide semiconductor layer in the vertical projective direction.

Abstract: An oxide semiconductor thin film transistor includes a substrate, a gate electrode, an oxide semiconductor layer, a gate insulation layer, an oxide source electrode, an oxide drain electrode and a metal connection component. The gate insulation layer is at least partially disposed between the gate electrode and the oxide semiconductor layer. The oxide source electrode and the oxide drain electrode are respectively disposed at least partially between the oxide semiconductor layer and the substrate. The metal connection component is disposed on the substrate, and the metal connection component overlaps the oxide source electrode along a vertical projective direction perpendicular to the substrate. The metal connection component does not overlap the oxide semiconductor layer along the vertical projective direction.

Abstract: A driving circuit includes a first transistor, a capacitor, a second transistor, and a charging circuit. The input terminal of the first transistor is electrically connected to a voltage source. The output terminal of the first transistor is electrically connected to an organic light-emitting diode. The first terminal of the capacitor is electrically connected to the control terminal of the first transistor. The input terminal of the second transistor is electrically connected to the second terminal of the capacitor. The control terminal of the second transistor is electrically connected to a scan line. The output terminal of the second transistor is electrically connected to the output terminal of the first transistor. The charging circuit is electrically connected to the first and second terminals of the capacitor, the scan line, and a current source.

Abstract: A pixel structure of an organic light emitting display device includes a substrate and a plurality of display pixel units disposed on the substrate. Each of the display pixel units includes a first sub-pixel, a second sub-pixel and a third sub-pixel disposed adjacently to one another. The first sub-pixel in each of the display pixel units is disposed adjacently to three first sub-pixels respectively disposed in three adjacent display pixel units to form a first pixel unit. The second sub-pixel in each of the display pixel units is disposed adjacently to three second sub-pixels respectively disposed in three adjacent display pixel units to form a second pixel unit. The third sub-pixel in each of the display pixel units is disposed adjacently to three third sub-pixels respectively disposed in three adjacent display pixel units to form a third pixel unit.

Abstract: A pixel structure of an organic light emitting display device includes a substrate and a plurality of display pixel units disposed on the substrate. Each of the display pixel units includes a first sub-pixel, a second sub-pixel and a third sub-pixel disposed adjacently to one another. The first sub-pixel in each of the display pixel units is disposed adjacently to three first sub-pixels respectively disposed in three adjacent display pixel units to form a first pixel unit. The second sub-pixel in each of the display pixel units is disposed adjacently to three second sub-pixels respectively disposed in three adjacent display pixel units to form a second pixel unit. The third sub-pixel in each of the display pixel units is disposed adjacently to three third sub-pixels respectively disposed in three adjacent display pixel units to form a third pixel unit.

Abstract: An organic light emitting diode display apparatus and a pixel circuit thereof are provided. The pixel circuit includes a switch unit, a capacitor, a first transistor, a second transistor, a third transistor and an organic light emitting diode. In a pre-charging period, a first terminal of the capacitor receives a data voltage through the switch unit, and a second terminal of the capacitor receives a high voltage through the turned-on first transistor. In a programming period, the first terminal of the capacitor receives the data voltage through the switch unit, and the second terminal of the capacitor receives the high voltage that is encoded through the turned-on second and third transistors. In a display period, the first terminal of the capacitor receives a ground voltage through the switch unit, and the first and third transistors are turned-off.

Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.

Abstract: A Liquid Crystal (LC) panel includes a substrate and a plurality of metal layers. The substrate has a reflective area, and the metal layers are formed on the substrate. A first reflective metal layer is formed on a surface of the metal layers within a reflective area, and is processed by a mask procedure to form a plurality of first reflective bumps. A second reflective metal layer is formed on the first reflective bumps, and is processed by a mask procedure to form a plurality of second reflective bumps located between the first reflective bumps. The second reflective bumps are higher than the first reflective bumps, so as to form a reflective metal layer having an uneven surface with vertical mismatch.

Abstract: A driving circuit of an organic light emitting device includes a switch module, a capacitor, and a driving unit. The switch module includes a first switch unit and a second switch unit. The first switch unit is coupled to a data line. The second switch unit is coupled to the organic light emitting device. During a programming period, the first switch unit is turned on and the second switch unit is turned off; and during an emission period, the first switch unit is turned off and the second switch unit is turned on. The capacitor is coupled to the first switch unit for being charged to a data voltage according to a data current of the data line during the programming period. The driving unit is used for generating a driving current to drive the organic light emitting device according to the data voltage during the emission period.

Abstract: A display panel have a transmissive region and a reflective region. The display panel comprises a first plate, a second plate opposite to the first plate and a display medium. The first plate comprises a first substrate, a scan line, a data line, an active device, a common electrode, a pixel electrode and a dielectric layer. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device and is electrically insulated from the common electrode. The pixel electrode has slits exposing the common electrode. The dielectric layer is located between the common electrode and the pixel electrode and has first openings in the reflective region. The second plate is opposite to the first plate. The display medium is located between the first plate and the second plate.

Abstract: An active light emitting device disposed on a substrate is provided. The active light emitting device includes a scan line, a data line, a power line, a circuit unit, and a light emitting unit. The circuit unit is connected to the scan line, the data line, and the power line. The circuit unit at least includes an overlapping component which is at least partially overlapped with the power line. The light emitting unit is driven by the circuit unit. A light emitting region and a circuit region on the substrate are defined respectively by the light emitting unit and the circuit unit.

Abstract: The disclosure relates to a pixel circuit which includes an LED, a storage capacitor, a driving transistor, and first to third switching transistors. The driving transistor is utilized to control connection/disconnection between a power supply voltage and the LED. The first switching transistor receives a first scanning signal for controlling connection/disconnection between a gate of the driving transistor and the power supply voltage. The second switching transistor receives a second scanning signal for controlling connection/disconnection between the storage capacity and a ground voltage. The third switching transistor receives the first scanning signal for controlling connection/disconnection between the storage capacity and a data voltage. The first scanning signal and the second scanning signal are in antiphase to each other. A driving method thereof is also disclosed.

Abstract: A Liquid Crystal (LC) panel includes a substrate and a plurality of metal layers. The substrate has a reflective area, and the metal layers are formed on the substrate. A first reflective metal layer is formed on a surface of the metal layers within a reflective area, and is processed by a mask procedure to form a plurality of first reflective bumps. A second reflective metal layer is formed on the first reflective bumps, and is processed by a mask procedure to form a plurality of second reflective bumps located between the first reflective bumps. The second reflective bumps are higher than the first reflective bumps, so as to form a reflective metal layer having an uneven surface with vertical mismatch.