Timing controller, column driver and display apparatus comprising same
OwnerHwasu Kohinventor
Life of this patent
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Abstract
The present invention relates to a timing controller, to a column driver, and to a display apparatus, comprising same. More particularly, the present invention relates to a timing controller, to a column driver, and to a display apparatus for providing a structure of a data signal transmission line and a signal transmission protocol which can achieve high signal quality and a low EMI level and which are highly efficient in effectively transmitting data.
Claims53
A display apparatus comprising:
- a display panel for displaying an image;
- a timing controller for receiving a power supply voltage inputted from the outside, a data signal, a clock signal and a synchronization signal and outputting the data signal, the clock signal and the synchronization signal;
- and
- a column driver for applying a pixel data voltage to the display panel in accordance with the data signal serially received from the timing controller,
- wherein the timing controller transmits a setup information signal for setting up a registration and an operation of an element in the column driver during an initial setup mode before a normal driving mode in which a normal image is displayed after the power supply voltage is applied.
A display apparatus comprising:
- a display panel for displaying an image;
- a timing controller for receiving a power supply voltage inputted from the outside, a data signal, a clock signal and a synchronization signal and outputting the data signal, the clock signal and the synchronization signal;
- a column driver for receiving the data signal from the timing controller to apply an image signal to the display panel;
- a data signal transmission line for transmitting the data signal between the timing controller and the column driver;
- and
- a clock signal transmission line for transmitting the clock signal,
- wherein the column driver measures a skew between the data signal and the clock signal during an initial setup mode before a normal driving mode in which a normal image is displayed after the power supply voltage is applied, generates a skew compensation value by using the measured skew, and compensates for the skew between the data signal and the clock signal by using the generated skew compensation value.
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A display apparatus comprising:
- a display panel for displaying an image;
- a timing controller for receiving a power supply voltage inputted from the outside, a data signal, a clock signal and a synchronization signal and outputting the data signal, the clock signal and the synchronization signal;
- a column driver for receiving the data signal from the timing controller to apply an image signal to the display panel;
- a data signal transmission line disposed between the timing controller and the column driver to transmit the data signal;
- and
- a clock signal transmission line for transmitting the clock signal,
- wherein the column driver generates a skew compensation value by using a signal inputted during a vertical blanking interval or a horizontal blanking interval in a normal driving mode in which a normal image is displayed after the power supply voltage is applied, and compensates for the skew by applying the skew compensation value to the data signal or the clock signal.
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A timing controller for transmitting a data signal to a column driver in a display apparatus, the timing controller comprising:
- a data format section for receiving a power supply voltage inputted from a host system, the data signal, a clock signal and a synchronization signal, and transmitting the data signal, the clock signal and the synchronization signal to the column driver;
- and
- a protocol controller for transmitting a setup information signal for setting up an element and an operation of the column driver during an initial setup mode before a normal driving mode in which a normal image is displayed after the power supply voltage is applied.
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A timing controller for transmitting a data signal to a column driver in a display apparatus, the timing controller comprising:
- a data format section for receiving a power supply voltage inputted from a host system, the data signal, a clock signal and a synchronization signal, rearranging the data signal, and outputting the rearranged data signal;
- and
- a training pattern generating section for generating a training pattern signal to compensate for a skew generated between the clock signal and the data signal applied to the column driver during an initial setup mode before a normal driving mode in which a normal image is displayed after the power supply voltage is applied,
- wherein the training pattern signal is transmitted to the column driver through a data signal transmission line through which the data signal is transmitted.
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A timing controller for transmitting a data signal to a column driver in a display apparatus, the timing controller comprising:
- a data format section for receiving a power supply voltage inputted from a host system, the data signal, a clock signal and a synchronization signal, rearranging the data signal, and outputting the rearranged data signal;
- and
- a training pattern generating section for generating a training pattern signal to compensate for a skew generated between the clock signal and the data signal applied to the column driver in a horizontal blanking interval or a vertical blanking interval of a normal driving mode in which a normal image is displayed after the power supply voltage is applied.
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A column driver for providing a pixel data voltage to a display panel in accordance with a data signal transmitted from a timing controller, wherein the column driver receives a setup information signal from the timing controller in an initial setup mode before a normal driving mode in which a normal image is displayed after the power supply voltage is applied or in the normal driving mode, transmits the setup information signal to at least one selected from the group consisting of an embedded data sampler, a serial-parallel converting section, a shift register, a data latch and a digital/analog converting section, and sets up its element and operation.
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A column driver for providing a pixel data voltage to a display panel in accordance with a data signal transmitted from a timing controller, the column driver comprising:
- a skew compensating section for measuring a skew between a training pattern signal and a clock signal received from the timing controller in a normal driving mode in which a normal image is displayed after a power supply voltage is applied or in an initial setup mode before the normal driving mode, and generate a skew compensation value corresponding to the measured skew,
- wherein the skew compensation value is applied to the data signal or the clock signal to compensate for the skew.
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Dependencies are inferred from the claim text.