Liquid crystal display device

A liquid crystal display having a plurality of color picture elements of three primary colors arranged in a matrix of rows and columns, the display having two opposed substrates, a matrix of color filters and a common electrode on one substrate and each picture element having a driving electrode and an associated single color filter on the opposed substrate, comprising:

• driving circuit means for receiving three primary color signals;
• color selection means for selecting sequentially for input to said driving circuit means each one of said three primary color signals said color selection means includes a switching means, said switching means having three color inputs, each one of the three color inputs being for receiving an input signal of one of said primary colors, said switching means having three color outputs, each one of the color outputs being connected to said driving means;
• and a control means for causing said switch means to sequentially connect each one of said color outputs to each one of said color inputs, in a sequence of color signal selection corresponding to a physical arrangement of colors of said picture elements;
• and
• element selecting means for selecting said picture elements in sequence, said driving circuit means applying selected color signals from said color selection means to driving electrodes of a corresponding color in said selected picture element, said element selecting means having timing signal inputs for receiving timing signals to time said selection of picture elements in sequence for driving wherein the switching means comprises:
• three groups of switches, each group of switches having three switches therein, the switches in a group each having an output terminal, the output terminals of the switches in a group being connected together and to one of said color outputs, each switch in a group being connected to one of said color inputs;
• the switching means further comprising three switching input signal lines, each one of said switching input signal lines being connected to a switch control input of one switch in each group of switches so that when a signal is applied to one of said switching input lines each one of said color inputs is connected to a color output different than the color output to which each other input is connected.

A liquid crystal display having a plurality of color picture elements of three primary colors arranged in a matrix of rows and columns, the display having two opposed substrates, a matrix of color filters and a common electrode on one substrate and each picture element having a driving electrode and an associated single color filter on the opposed substrate, comprising:

• driving circuit means for receiving three primary color signals;
• color selection means for selecting sequentially for input to said driving circuit means each one of said three primary color signals, and color selection means including a switching means, said switching means having three color inputs, each one of the three color inputs being for receiving an input signal of one of said primary colors, said switching means having three color outputs, each one of the color outputs being connected to said driving means;
• and a control means for causing said switch means to sequentially connect each one of said color outputs to each one of said color inputs, in a sequence of color signal selection corresponding to a physical arrangement of colors of said picture elements;
• and
• element selecting means for selecting said picture elements in sequence, said driving circuit means applying selected color signals from said color selection means to driving electrodes of a corresponding color in said selected picture element, said element selecting means having timing signal inputs for timing signals to time said selection of picture elements in sequence for driving, said element selection means including means for selecting said elements at different times so that successive selected elements of different colors are selected at successive times.

A liquid crystal display having a plurality of color picture elements of three primary colors arranged in a matrix of rows and columns, the display having two opposed substrates, a matrix of color filters and a common electrode on one substrate and each picture element having a driving electrode and an associated single color filter on the opposed substrate, comprising:

• driving circuit means for receiving three primary color signals;
• color selection means for selecting sequentially for input to said driving circuit means each one of said three primary color signals, and color selection means including a switching means, said switching means having three color inputs, each one of the three color inputs being for receiving an input signal of one of said primary colors, said switching means having three color outputs, each one of the color outputs being connected to said driving means;
• and a control means for causing said switch means to sequentially connect each one of said color outputs to each one of said color inputs, in a sequence of color signal selection corresponding to a physical arrangement of colors of said picture elements;
• and
• element selecting means for selecting said picture elements in sequence, said driving circuit means applying selected color signals from said color selection means to driving electrodes of a corresponding color in said selected picture element, said element selecting means having timing signal inputs for timing signals to time said selection of picture elements in sequence for driving, said element selection means including means for selecting said elements at different times so that successive selected elements of different colors are selected at successive times wherein the switching means comprises:
• three groups of switches, each group of switches having three switches therein, the switches in a group each having an output terminal, the output terminals of the switches in a group being connected together and to one of said color outputs, each switch in a group being connected to one of said color inputs;
• the switching means further comprising three switching input signal lines, each one of said switching input signal lines being connected to a switch control input of one switch in each group of switches so that when a signal is applied to one of said switching input lines each one of said color inputs is connected to a color output different than the color output to which each other input is connected.

A liquid crystal display having a plurality of color picture elements of three primary colors arranged in a matrix of rows and columns, the display having two opposed substrates, a matrix of color filters and a common electrode on one substrate and each picture element having a driving electrode and an associated single color filter on the opposed substrate, comprising:

• driving circuit means for receiving three primary color signals;
• color selection means for selecting sequentially for input to said driving circuit means each one of said three primary color signals, said color selection means including a switching means, said switching means having three color inputs, each one of the three color inputs being for receiving an input signal of one of said primary colors, said switching means having three color outputs, each one of the color outputs being connected to said driving means;
• and a control means for causing said switch means to sequentially connect each one of said color outputs to each one of said color inputs, in a sequence of color signal selection corresponding to a physical arrangement of colors of said picture elements;
• and
• element selecting means for selecting said picture elements in sequence, said driving circuit means applying selected color signals from said color selection means to driving electrodes of a corresponding color in said selected picture element, said element selecting means having timing signal inputs for receiving timing signals to time said selection of picture elements in sequence for driving, said element selection means including means for selecting said elements at times and for periods of time having a duration so that successive elements are selected at times that partially overlap one another.

A liquid crystal display having a plurality of color picture elements of three primary colors arranged in a matrix of rows and columns, the display having two opposed substrates, a matrix of color filters and a common electrode on one substrate and each picture element having a driving electrode and an associated single color filter on the opposed substrate, comprising:

• driving circuit means for receiving three primary color signals;
• color selection means for selecting sequentially for input to said driving circuit means each one of said three primary color signals said color selection means including a switching means, said switching means having three color inputs, each one of the three color inputs being for receiving an input signal of one of said primary colors, said switching means having three color outputs, each one of the color outputs being connected to said driving means;
• and a control means for causing said switch means to sequentially connect each one of said color outputs to each one of said color inputs, in a sequence of color signal selection corresponding to a physical arrangement of colors of said picture elements;
• and
• element selecting means for selecting said picture elements in sequence, said driving circuit means applying selected color signals from said color selection means to driving electrodes of a corresponding color in said selected picture element, said element selecting means having timing signal inputs for receiving timing signals to time said selection of picture elements in sequence for driving, said element selection means including means for selecting said elements at times and for periods of time having a duration so that successive elements are selected at times that partially overlap one another, wherein the switching means comprises:
• three groups of switches, each group of switches having three switches therein, the switches in a group each having an output terminal, the output terminals of the switches in a group connected together and to one of said color outputs, each switch in a group being connected to one of said color inputs, the switching means further comprising three switching input signal lines, each one of said switching input signal lines being connected to a switch control input of one switch in each group of switches so that when a signal is applied to one of said switching input lines each one of said color inputs is connected to a color output different than the color output to which each other input is connected.