Liquid crystal display device

A liquid crystal display device, comprising:

• a liquid crystal panel having a plurality of data signal lines for receiving a sub-pixel data signal corresponding to a sub-pixel where a pixel is divided into three primary colors of red, green, and blue, a plurality of scanning signal lines for receiving a scanning signal, and a plurality of sub-pixel regions provided at points where each of said data signal lines and each of said scanning signal lines intersect, and said liquid crystal panel displaying a color image corresponding to said sub-pixel data signal by supplying said sub-pixel data signal to a sub-pixel region selected by said scanning signal among said plurality of sub-pixel regions;
• a gradation voltage generation circuit for generating a plurality of a gradation voltages to give gradation to said sub-pixel data signal;
• a color correction voltage generation circuit for generating a color correction voltage for each of said red, green, and blue based on a given signal for color correction;
• a display signal circuit for selecting a gradation voltage corresponding to a gradation value of an image signal for said each of said red, green, and blue from said each gradation voltage, adding said color correction voltage for said each of said red, green, and blue respectively to said gradation voltage to generate said sub-pixel data signal, and sending said sub-pixel data signal to said each data signal line of said liquid crystal panel;
• a scanning signal circuit for sending said scanning signal to said each scanning signal line of said liquid crystal panel synchronously with a clock signal;
• and
• a control circuit for outputting said clock signal and said image signal for said each of said red, green, and blue.

A liquid crystal display device, comprising:

• a liquid crystal panel having a plurality of data signal lines for receiving a sub-pixel data signal corresponding to a sub-pixel where a pixel is divided into three primary colors of said red, green, and blue, a plurality of scanning signal lines for receiving a scanning signal, and a plurality of sub-pixel regions provided at points where each of said data signal lines and each of said scanning signal lines intersect, and said liquid crystal panel displaying a color image corresponding to said sub-pixel data signal by supplying said sub-pixel data signal to a sub-pixel region selected by said scanning signal among said plurality of sub-pixel regions;
• a gradation voltage generation circuit for generating a plurality of gradation voltages to give gradation to said sub-pixel data signal, inverting a polarity of said gradation voltage in one frame period based on a polarity inversion signal, and outputting said gradation voltage with said inverted polarity;
• a color correction voltage generation circuit for generating a color correction voltage for each of said red, green, and blue based on a given input signal for color correction, inverting a polarity of said color correction voltage in one frame period based on said polarity inversion signal, and outputting said color correction voltage with said inverted polarity;
• a display signal circuit for selecting a gradation voltage corresponding to a gradation value of an image signal for said each of said red, green, and blue from said each gradation voltage, adding said color correction voltage for said each of said red, green, and blue respectively to said gradation voltage to generate said sub-pixel data signal, and sending said sub-pixel data signal to said each data signal line of said liquid crystal panel;
• a scanning signal circuit for sending said scanning signal to said each scanning signal line of said liquid crystal panel synchronous with a clock signal;
• and
• a control circuit for outputting said clock signal and said image signal for said each of said red, green, and blue.

A liquid crystal display device, comprising:

• a liquid crystal panel having a plurality of data signal lines for receiving a sub-pixel data signal corresponding to a sub-pixel where a pixel is divided into three primary colors of said red, green, and blue, a plurality of scanning signal lines for receiving a scanning signal, and a plurality of sub-pixel regions provided at points where each of said data signal lines and each of said scanning signal lines intersect, and said liquid crystal panel displaying a color image corresponding to said sub-pixel data signal by supplying said sub-pixel data signal to a sub-pixel region selected by said scanning signal among said plurality of sub-pixel regions;
• a gradation voltage generation circuit for generating a plurality of gradation voltages to give gradation to said sub-pixel data signal, inverting a polarity of said gradation voltage in a specified number of horizontal line periods based on a polarity inversion signal, and outputting said gradation voltage with said inverted polarity;
• a color correction voltage generation circuit for generating a color correction voltage for said each of said red, green, and blue based on a given input signal for color correction;
• a polarity inversion circuit for inverting a polarity of said color correction voltage for said each of said red, green, and blue in a specified number of horizontal line periods based on said polarity inversion signal, and outputting said color correction voltage with said inverted polarity;
• a display signal circuit for selecting a gradation voltage corresponding to a gradation value of an image signal for said each of said red, green, and blue from said each gradation voltage, adding said color correction voltage for said each of said red, green, and blue respectively to said gradation voltage to generate said sub-pixel data signal, and sending said sub-pixel data signal to said each data signal line of said liquid crystal panel;
• a scanning signal circuit for sending said scanning signal to said each scanning signal line of said liquid crystal panel synchronously with a clock signal;
• and
• a control circuit for outputting said clock signal, said image signal for said each of said red, green, and blue and said polarity inversion signal.

A liquid crystal display device, comprising:

• a liquid crystal panel having a plurality of data signal lines for receiving a sub-pixel data signal corresponding to a sub-pixel where a pixel is divided into three primary colors of said red, green, and blue, a plurality of scanning signal lines for receiving a scanning signal, and a plurality of sub-pixel regions provided at points where each of said data signal lines and each of said scanning signal lines intersect, and said liquid crystal panel displaying a color image corresponding to said sub-pixel data signal by supplying said sub-pixel data signal to a sub-pixel region selected by said scanning signal among said plurality of sub-pixel regions;
• a gradation voltage generation circuit for generating a plurality of gradation voltages to give gradation to said pixel data signal;
• a color correction voltage generation circuit for generating a color correction voltage for each of said red, green, and blue based on a given input signal for color correction;
• a display signal circuit for selecting a gradation voltage corresponding to a gradation value of an image signal for said each of said red, green, and blue from said each gradation voltage, inverting said color correction voltage for said each of said red, green, and blue at said each sub-pixel based on a polarity inversion signal and adding said color correction voltage with said inverted polarity to said gradation voltage to generate said sub-pixel data signal, and sending said sub-pixel data signal to said each data signal line of said liquid crystal panel;
• a scanning signal circuit for sending said scanning signal to said each scanning signal line of said liquid crystal panel synchronously with a clock signal;
• and
• a control circuit for outputting said clock signal, said image signal for said each of said red, green, and blue and said polarity inversion signal.

A liquid crystal display device, comprising:

• a liquid crystal panel having a plurality of data signal lines for receiving a sub-pixel data signal corresponding to a sub-pixel where a pixel is divided into three primary colors of said red, green, and blue, a plurality of scanning signal lines for receiving a scanning signal, and a plurality of sub-pixel regions provided at points where each of said data signal lines and each of said scanning signal lines intersect, and said liquid crystal panel displaying a color image corresponding to said sub-pixel data signal by supplying said sub-pixel data signal to a sub-pixel region selected by said scanning signal among said plurality of sub-pixel regions;
• a gradation voltage generation circuit for generating a plurality of gradation voltages to give gradation to said sub-pixel data signal;
• a color correction voltage generation circuit for generating a color correction voltage for said each of said red, green, and blue based on a given input signal for color correction;
• a multiplexer for selecting and outputting said color correction voltage for said each of said red, green, and blue in accordance with an arrangement of said red, green, and blue color filters in a horizontal direction of said sub-pixels on said liquid crystal panel, based on a control signal;
• a display signal circuit for selecting a gradation voltage corresponding to a gradation value of an image signal for said each of said red, green, and blue from each gradation voltage, adding said color correction voltage for said each of said red, green, and blue output from said multiplexer respectively to said gradation voltage to generate said sub-pixel data signal, and sending said sub-pixel data signal to said each data signal line of said liquid crystal panel;
• a scanning signal circuit for sending said scanning signal to said each scanning signal line of said liquid crystal panel synchronously with a clock signal;
• and
• a control circuit for outputting said clock signal, said image signal for said each of said red, green, and blue and said control signal.