Liquid crystal driving circuit and liquid crystal display device

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver;
• wherein a brightness curve representing a relationship between a gray-scale of the display data and a display brightness of the display panel is changeable between a convex brightness curve and a concave brightness curve,
• the convex brightness curve being convex with respect to a line representing a linear relationship between the gray-scale of the display data and the display brightness of the display panel,
• the concave brightness curve being concave with respect to the line representing the linear relationship between the gray-scale of the display data and the display brightness of the display panel.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel,
• the driving circuit being capable of changing a gray-scale display characteristic of the display data between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data in a first gray-scale region is relatively larger than a difference in the brightness of the display panel between two adjacent values of the display data in a second gray-scale region in which a gray-scale is higher than a gray-scale in the first gray-scale region,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data in the first gray-scale region is relatively smaller than the difference in the brightness of the display panel between two adjacent values of the display data in the second gray-scale region;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver;
• wherein a gray-scale display characteristic of the display data is changeable between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data in a first gray-scale region is relatively larger than a difference in the brightness of the display panel between two adjacent values of the display data in a second gray-scale region in which a gray-scale is higher than a gray-scale in the first gray-scale region,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data in the first gray-scale region is relatively smaller than the difference in the brightness of the display panel between two adjacent values of the display data in the second gray-scale region.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel,
• the driving circuit being capable of changing a gray-scale display characteristic of the display data between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data in a first gray-scale region is relatively smaller than a difference in the brightness of the display panel between two adjacent values of the display data in a second gray-scale region in which a gray-scale is higher than a gray-scale in the first gray-scale region,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data in the first gray-scale region is relatively larger than the difference in the brightness of the display panel between two adjacent values of the display data in the second gray-scale region;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver;
• wherein a gray-scale display characteristic of the display data is changeable between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data in a first gray-scale region is relatively smaller than a difference in the brightness of the display panel between two adjacent values of the display data in a second gray-scale region in which a gray-scale is higher than a gray-scale in the first gray-scale region,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data in the first gray-scale region is relatively larger than the difference in the brightness of the display panel between two adjacent values of the display data in the second gray-scale region.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel,
• the driving circuit being capable of changing a gray-scale display characteristic of the display data between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data becomes smaller as a gray-scale of the display data increases,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data becomes larger as the gray-scale of the display data increases;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver.

A display device for displaying display data, comprising:

• a display panel;
• a driving circuit which generates a gray-scale voltage corresponding to the display data and outputs the gray-scale voltage to the display panel;
• a scan driver which scans a line on the display panel to which the gray-scale voltage is output;
• and
• a control circuit which outputs the display data to the driving circuit and outputs a display control signal to the scan driver;
• wherein a gray-scale display characteristic of the display data is changeable between a first state and a second state,
• the first state being a state in which a difference in a brightness of the display panel between two adjacent values of the display data becomes smaller as a gray-scale of the display data increases,
• the second state being a state in which the difference in the brightness of the display panel between two adjacent values of the display data becomes larger as the gray-scale of the display data increases.