Abstract:
A pixel driving circuit for OLED display apparatus is provided. The pixel driving circuit is adapted to drive an OLED having a first terminal and a second terminal, while the first terminal couples to a first voltage source. The pixel driving circuit comprises a control circuit, a driving transistor and a diode. The control circuit generates a control signal to control an OLED current supplied to the OLED. The driving transistor has a first drain/source terminal, a second drain/source terminal and a gate terminal. The gate terminal receives the control signal to control a channel between the first and second drain/source terminal for adjusting the OLED current flowing through the channel. Further, the diode couples between the channel and a second voltage source.
Abstract:
Systems for providing electrostatic discharge (ESD) protection. One of the Systems has a plurality of first-type thin film diode elements coupled to each other in series, and a plurality of second-type thin film diode elements coupled to each other in series. The first-type thin film elements are electrically connected to a signal line between an input end and a main circuit, and the second-type thin film diode elements are electrically connected to the signal line between the input end and the main circuit.
Abstract:
Systems and methods for adjusting display parameters of an active matrix organic light emitting diode (AMOLED) panel are provided. The method includes obtaining optimum display parameters for subpixels of the AMOLED panel, storing the optimum display parameters in a non-volatile memory, loading the optimum display parameters stored in the non-volatile memory into a static register memory during normal operation of the AMOLED panel, and utilizing the optimum display parameters loaded in the static register memory to drive the AMOLED panel to have optimum color properties while displaying image data.
Abstract:
Systems and methods for adjusting display parameters of an active matrix organic light emitting diode (AMOLED) panel are provided. The method includes obtaining optimum display parameters for subpixels of the AMOLED panel, storing the optimum display parameters in a non-volatile memory, loading the optimum display parameters stored in the non-volatile memory into a static register memory during normal operation of the AMOLED panel, and utilizing the optimum display parameters loaded in the static register memory to drive the AMOLED panel to have optimum color properties while displaying image data.
Abstract:
A display may have a thin-film-transistor layer with a substrate layer. A layer of dielectric may be formed on the substrate layer and may have an upper surface and a lower surface. The thin-film-transistor layer may include an array of display pixels. Data lines and gate lines may provide signals to the display pixels. Gate driver circuitry in an inactive peripheral portion of the display may include a gate driver circuit for each gate line. The gate driver circuits may include thin-film transistors that are formed on the upper surface of the layer of dielectric. Signal lines such as a gate low line, a gate routing line coupled between the gate driver circuits, and a common electrode line may be formed from two or more layers of metal to reduce their widths or may be embedded within the dielectric layer between the upper and lower surfaces under the thin-film transistors.
Abstract:
An illumination device includes a transparent substrate and multiple first metal lines. The transparent substrate includes an emitting area and a peripheral area and the emitting area includes multiple sub-emitting areas. The first metal lines are disposed on the transparent substrate, each first metal line has an end connected to a corresponding one of the sub-emitting areas and an opposite end connected to the peripheral area. Each sub-emitting area includes an insulating layer, a second metal line and an OLED layer. The second metal line is disposed between the transparent substrate and the OLED layer, the insulating layer is between the first metal lines and the second metal line, each first metal line is overlapped with the second metal line in vertical projection. One of the first metal lines, which is connected to a first one of the sub-emitting areas, passes through a second one of the sub-emitting areas.
Abstract:
An electronic illuminating device includes an illuminating area, a routing area and a control area. The illuminating area includes multiple light-emitting blocks and multiple illuminating area power-supply lines. Each the light-emitting block employs at least one light-emitting element as light source, and further is electrically coupled to a corresponding one of the illuminating area power-supply lines. The routing area includes multiple routing area power-supply lines, and each the routing area power-supply line is electrically coupled to a corresponding one of the illuminating area power-supply lines. The control area provides powers to the routing area power-supply lines. A width of at least one of the illuminating area power-supply lines and the corresponding routing area power-supply line or a length of at least one of the routing area power-supply lines is adjusted, such that differences among resistances between the light-emitting blocks and the control area are within 20%.
Abstract:
An embodiment of the invention provides a touch panel, which includes a substrate, a lower conductive layer overlaying the substrate, an insulating layer overlaying the lower conductive layer, and an upper conductive layer overlaying the insulating layer. The lower conductive layer includes a plurality of first conductive patterns including a plurality of first electrodes and a plurality of first dummy patterns, wherein the first dummy patterns are electrically insulated from the first conductive patterns. The upper conductive layer includes a plurality of second conductive patterns including a plurality of second electrodes respectively overlapping the first dummy patterns and a plurality of second dummy patterns, wherein the second dummy patterns are electrically insulated from the second conductive patterns and respectively overlapping the first electrodes.
Abstract:
A gate signal adjustment circuit for a display is disclosed. The gate signal adjustment circuit can adjust a transition time of a gate signal used to drive data displaying. The adjustment can be to either speed up or slow down the transition time according to the requirements of the display. In an example, the gate signal adjustment circuit can include multiple transistors, where a first set of the transistors outputs the gate signal and a second set of the transistors outputs an adjustment to the gate signal. The second set of transistors can be the same or different sizes depending on the desirable number of adjustment options. The circuit can also include a control line coupled to the second set of transistors to control the adjustment output. Gate signal adjustment can reduce crosstalk in the display.
Abstract:
A system for displaying images including a touch display panel is provided. The touch display panel includes a first substrate. An electrode array is disposed on the first substrate, and the electrode array includes a first touch area. A first common electrode layer is disposed on the electrode array. A first dielectric layer is disposed between the electrode array and the first common electrode layer.