Abstract: A gate driver includes multiple stages. Each stage has a circuit portion and a wiring portion. The wiring portion delivers first and second clock signals to the circuit portion. Further, the wiring portion includes first and second clock wirings receiving the first and second clock signal, respectively, first connecting wirings electrically connecting the first clock wiring with a first every other stage, and second connecting wirings electrically connecting the second clock wiring with the odd-numbered stages. Further, the wiring portion includes third connecting wirings electrically connecting the first connecting wiring with a second every other stage and fourth connecting wirings electrically connecting the second connecting wiring with the even-numbered stages. This configuration may prevent the gate driver from operating erroneously and reduce power consumed by the gate driver.

Abstract: An exemplary embodiment of the present invention provides a display panel including: a display area configured to include a gate line and a data line; and a gate driver connected to one terminal of the gate line, the gate driver including a plurality of stages and being integrated on a substrate to output a gate voltage. The stages are divided into at least two stage groups, a first pair of clock signals including a first clock signal and a first clock-bar signal is applied to a first one of the stage groups, and the first pair of clock signals is not swung for a time period in one frame.

Abstract: A display device includes a display panel including data lines and scan lines coupled, a data driver configured to supply data voltages to the data lines based on digital video data, a scan driver configured to supply scan signals to the scan lines, a timing controller configured to select one of a normal mode and a self-refresh mode based on a panel self-refresh enable signal, where the data and scan drivers are driven by a first frame frequency in the normal mode and by a second frame frequency lower than the first frame frequency in the self-refresh mode, and a power supply source configured to supply driving voltages to the data and scan drivers and the timing controller and to transmits a direct current power voltage to an outside thereof, where a transmission of the direct current power voltage is blocked during a blank period in the self-refresh mode.

Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.

Abstract: A gate driver includes multiple stages. Each stage has a circuit portion and a wiring portion. The wiring portion delivers first and second clock signals to the circuit portion. Further, the wiring portion includes first and second clock wirings receiving the first and second clock signal, respectively, first connecting wirings electrically connecting the first clock wiring with a first every other stage, and second connecting wirings electrically connecting the second clock wiring with the odd-numbered stages. Further, the wiring portion includes third connecting wirings electrically connecting the first connecting wiring with a second every other stage and fourth connecting wirings electrically connecting the second connecting wiring with the even-numbered stages. This configuration may prevent the gate driver from operating erroneously and reduce power consumed by the gate driver.

Abstract: Gate-driving circuitry of a thin film transistor array panel is formed on the same plane as a display area of the transistor array panel. The gate-driving circuitry includes driving circuitry and signal lines having apertures. Thus, a sufficient amount of light, even though illuminated from the thin film transistor array panel side, can reach a photosetting sealant overlapping at least in part the gate-driving circuitry. The thin film transistor array panel and the counter panel are put together air-tight and moisture-tight. Consequently, the gate-driving circuitry can avoid corrosion by moisture introduced from outside. Gate-driving circuitry malfunctions can also be reduced.

Abstract: A display panel includes: a display panel including a plurality of gate lines, a plurality of data lines, and a plurality of pixels; a gate driver connected to the plurality of gate lines to apply a gate signal voltage; a data driver connected to the plurality of data lines to apply a data voltage and a negative data voltage; and a gate voltage divider for generating a gate signal voltage including gate-on and gate-off voltages to provided it to the gate driver. The gate voltage divider adjusts the gate-off voltage in accordance with a driving time of the display panel and a temperature of the display panel.

Abstract: Gate-driving circuitry of a thin film transistor array panel is formed on the same plane as a display area of the transistor array panel. The gate-driving circuitry includes driving circuitry and signal lines having apertures. Thus, a sufficient amount of light, even though illuminated from the thin film transistor array panel side, can reach a photosetting sealant overlapping at least in part the gate-driving circuitry. The thin film transistor array panel and the counter panel are put together air-tight and moisture-tight. Consequently, the gate-driving circuitry can avoid corrosion by moisture introduced from outside. Gate-driving circuitry malfunctions can also be reduced.

Abstract: A display device including: a display panel including pixels and data lines; a data driver configured to apply data voltages to the data lines; an image pattern determiner configured to determine an image pattern based on an input image signal and to generate image pattern information; and a bias current control signal generator configured to generate a bias current control signal for determining a magnitude of a bias current of the data driver based on the image pattern information.

Abstract: A method of controlling an output voltage of an apparatus is provided. The method includes comparing an input voltage of the apparatus with a reference voltage, activating the output voltage when the input voltage is greater than or equal to the reference voltage, comparing the input voltage with a first low limit voltage or a first high limit voltage, comparing a first elapse time with a reference time when the input voltage is less than or equal to the first low limit voltage, comparing a second elapse time with the reference time when the input voltage is greater than or equal to the first high limit voltage, and deactivating the output voltage when the first elapse time or the second elapse time is longer than or equal to the reference time.

Abstract: A display device includes a display panel including data lines and scan lines coupled, a data driver configured to supply data voltages to the data lines based on digital video data, a scan driver configured to supply scan signals to the scan lines, a timing controller configured to select one of a normal mode and a self-refresh mode based on a panel self-refresh enable signal, where the data and scan drivers are driven by a first frame frequency in the normal mode and by a second frame frequency lower than the first frame frequency in the self-refresh mode, and a power supply source configured to supply driving voltages to the data and scan drivers and the timing controller and to transmits a direct current power voltage to an outside thereof, where a transmission of the direct current power voltage is blocked during a blank period in the self-refresh mode.

Abstract: An exemplary embodiment of the present invention provides a display panel including: a display area configured to include a gate line and a data line; and a gate driver connected to one terminal of the gate line, the gate driver including a plurality of stages and being integrated on a substrate to output a gate voltage. The stages are divided into at least two stage groups, a first pair of clock signals including a first clock signal and a first clock-bar signal is applied to a first one of the stage groups, and the first pair of clock signals is not swung for a time period in one frame.

Abstract: A gate-on voltage generator that can enhance display quality at low temperatures, a driving device, and a display apparatus having the same, in which the gate-on voltage generator includes a temperature sensor having an operational amplifier configured to receive a driving voltage and produce a temperature-dependent variable voltage, the level of which varies according to the ambient temperature, and a charge pumping unit shifting the temperature-dependent variable voltage by the voltage level of a pulse signal and generating a gate-on voltage.

Abstract: A display panel includes a plurality of data lines, a plurality of gate lines, a plurality of dummy loads, a pad portion and a fanout portion. The data lines are disposed in a display area, on which a plurality of pixels are disposed. The gate lines are disposed in the display area and cross the data lines. The dummy loads are disposed in a peripheral area surrounding the display area. The pad portion is disposed in the peripheral area and includes signal pads and dummy pads. The fanout portion includes a first fanout line portion connecting the data lines to the signal pads, and a second fanout line portion connecting the dummy loads to the dummy pads.

Abstract: A power supply apparatus includes a storage battery, a power part and a solar battery part. The storage battery provides a charged voltage to an electronic device. The power part provides an external voltage to the electronic device and simultaneously charges the storage battery, upon determining that the external voltage is provided to the power supply apparatus. The solar battery part charges the storage battery using a voltage output by a solar battery upon determining that the external voltage is not provided to the power supply apparatus and the electronic device is not in use, and provides the voltage output by the solar battery and the charged voltage output by the storage battery to the electronic device, upon determining that the external voltage is not provided to the power supply apparatus and the electronic device is in use.

Abstract: In a display panel and a display apparatus having the display panel, the display panel includes array and opposite substrates. The array substrate includes display and peripheral areas. Gate and source lines are formed in the display area. A gate driving part and first and second clock lines are formed in the peripheral area. The gate driving part outputs gate signals to the gate line. The first and second clock lines respectively transmit first and second clock signals to the gate driving part. The opposite substrate is combined with the array substrate and includes a common electrode layer. The common electrode layer has an opening portion patterned to expose the first and second clock lines. The exposed portions of the first and second clock lines have substantially the same area. Thus, delays of the gate signals may be minimized and distortion of the gate signals may be prevented.

Abstract: A gate-on voltage generator that can enhance display quality at low temperatures, a driving device, and a display apparatus having the same, in which the gate-on voltage generator includes a temperature sensor having an operational amplifier configured to receive a driving voltage and produce a temperature-dependent variable voltage, the level of which varies according to the ambient temperature, and a charge pumping unit shifting the temperature-dependent variable voltage by the voltage level of a pulse signal and generating a gate-on voltage.

Abstract: A drive voltage generating circuit which has a first shifter receiving an input voltage and outputting a first drive voltage obtained by first shifting a voltage level of the input voltage; a second shifter receiving outputting the second drive voltage obtained by second shifting a voltage level of the first drive voltage; and a drive voltage controller adjusting one of a shifting amount of the first shifter and a shifting amount of the second shifter in accordance with a surrounding temperature, wherein the second drive voltage is continuously varied in an analog manner, in accordance with the surrounding temperature.

Abstract: A display apparatus includes a panel part having a plurality of gate lines, a plurality of data lines, a plurality of pixels, a data driver and a gate driver part. Each pixel of the plurality of pixels includes a first sub-pixel and a second sub-pixel. The first sub-pixel is connected to a first gate line of the plurality of gate lines and the second sub-pixel is connected to a second gate line of the plurality of gate lines. The first sub-pixel and the second sub-pixel are each commonly connected to one data line of the plurality of data lines. The gate driver part is disposed on the panel part and applies a plurality of gate signals to the plurality of gate lines. A current gate signal of the plurality of gate signals is temporally overlapped with a previous gate signal for a predetermined time interval.

Abstract: A gate-on voltage generator that can enhance display quality at low temperatures, a driving device, and a display apparatus having the same, in which the gate-on voltage generator includes a temperature sensor having an operational amplifier configured to receive a driving voltage and produce a temperature-dependent variable voltage, the level of which varies according to the ambient temperature, and a charge pumping unit shifting the temperature-dependent variable voltage by the voltage level of a pulse signal and generating a gate-on voltage.