The present disclosure provides a display driving method for a display panel, comprising: calculating a difference value of display data; converting difference values as well as display data of rows in the display image of the current frame for which difference values are not calculated into gray scale voltages; increasing or decreasing a gray scale voltage corresponding to the difference value on a gray scale voltage corresponding to the display data of a corresponding row in the display image of the previous frame and outputting the obtained gray scale voltage to a respective data line; and outputting a gray scale voltage corresponding to the display data of the row in the display image of the current frame for which the difference value is not calculated to a respective data line. The present disclosure further provides a display driving circuit and a display device.

A display circuit and a control method therefor are shown. The display circuit includes: a lamp bead array, a column-oriented drive switch array, a row-oriented drive switch array and a common-anode discharge control circuit, wherein one end of the common-anode discharge control circuit is connected to second ends of lamp beads, in a row direction, in the lamp bead array, and the other end of the common-anode discharge control circuit is grounded; the common-anode discharge control circuit includes a constant current source, a diode and a resistor; a first end of the diode is connected to the second ends of the lamp beads, in the row direction, in the lamp bead array, a second end of the diode is connected to a first end of the constant current source, and the second end of the diode is connected to a first end of the resistor; and a second end of the resistor and a second end of the constant current source are connected to a power supply, and a grounded end of the constant current source is grounded.

A display circuit and a control method therefor are shown. The display circuit includes: a lamp bead array, a column-oriented drive switch array, a row-oriented drive switch array and a common-anode discharge control circuit, wherein one end of the common-anode discharge control circuit is connected to second ends of lamp beads, in a row direction, in the lamp bead array, and the other end of the common-anode discharge control circuit is grounded; the common-anode discharge control circuit includes a constant current source, a diode and a resistor; a first end of the diode is connected to the second ends of the lamp beads, in the row direction, in the lamp bead array, a second end of the diode is connected to a first end of the constant current source, and the second end of the diode is connected to a first end of the resistor; and a second end of the resistor and a second end of the constant current source are connected to a power supply, and a grounded end of the constant current source is grounded.

A liquid crystal television increases or decreases a gradation value when the gradation value of an image signal to be displayed on a liquid crystal panel is within a prescribed range. Further, the liquid crystal television decreases or increases the luminance depending to the gradation value of the image signal based on the increase or decrease in the gradation value. The liquid crystal television applies a voltage depending on the gradation value after the change to the liquid crystal panel, such that a transmittance in the liquid crystal panel is changed (increased or decreased). Further, the liquid crystal television controls each light source to emit light with the luminance after the change, such that the luminance of the light radiated to the liquid crystal panel from the light source is changed (decreased or increased).

Provided is a display device including a first change unit configured to change a transmittance of a liquid crystal panel in synchronization with a first timing, a second change unit configured to change brightness of a backlight of the liquid crystal panel in synchronization with a second timing, a calculation unit configured to calculate delay time for delaying the second timing relative to the first timing, and a delay control unit configured to make the first change unit change the transmittance of the liquid crystal panel in synchronization with the first timing, and make the second change unit change the brightness of the backlight in synchronization with the second timing delayed from the first timing by the delay time.

A liquid crystal television increases or decreases a gradation value when the gradation value of an image signal to be displayed on a liquid crystal panel is within a prescribed range. Further, the liquid crystal television decreases or increases the luminance depending to the gradation value of the image signal based on the increase or decrease in the gradation value. The liquid crystal television applies a voltage depending on the gradation value after the change to the liquid crystal panel, such that a transmittance in the liquid crystal panel is changed (increased or decreased). Further, the liquid crystal television controls each light source to emit light with the luminance after the change, such that the luminance of the light radiated to the liquid crystal panel from the light source is changed (decreased or increased).

A display circuit and a control method therefor are shown. The display circuit includes: a lamp bead array, a column-oriented drive switch array, a row-oriented drive switch array and a common-anode discharge control circuit, wherein one end of the common-anode discharge control circuit is connected to second ends of lamp beads, in a row direction, in the lamp bead array, and the other end of the common-anode discharge control circuit is grounded; the common-anode discharge control circuit includes a constant current source, a diode and a resistor; a first end of the diode is connected to the second ends of the lamp beads, in the row direction, in the lamp bead array, a second end of the diode is connected to a first end of the constant current source, and the second end of the diode is connected to a first end of the resistor; and a second end of the resistor and a second end of the constant current source are connected to a power supply, and a grounded end of the constant current source is grounded.

A display circuit and a control method therefor are shown. The display circuit includes: a lamp bead array, a column-oriented drive switch array, a row-oriented drive switch array and a common-anode discharge control circuit, wherein one end of the common-anode discharge control circuit is connected to second ends of lamp beads, in a row direction, in the lamp bead array, and the other end of the common-anode discharge control circuit is grounded; the common-anode discharge control circuit includes a constant current source, a diode and a resistor; a first end of the diode is connected to the second ends of the lamp beads, in the row direction, in the lamp bead array, a second end of the diode is connected to a first end of the constant current source, and the second end of the diode is connected to a first end of the resistor; and a second end of the resistor and a second end of the constant current source are connected to a power supply, and a grounded end of the constant current source is grounded.

A noise detection device of a display module, including: a storage module, a processing module and an encoding module; the storage module is used to store parallel video data, the processing module is used to transmit the stored parallel video data to the encoding module, the encoding module is used to convert the stored parallel video data into serial video data through encoding and to transmit the converted serial video data to a timing controller of a display module; the processing module is used to receive mini-LVDS data generated by the timing controller based on the converted serial data, and to convert the mini-LVDS data into the parallel video data; the processing module is used to compare the stored parallel video data with the converted parallel video data, and to determine whether the display module is qualified for noise control according to the comparison result.

A display device includes a light source, a light guide plate, a chassis, a display panel, a flexible circuit board, a signal transmission circuit board, and a first heat dissipation member. The chassis includes a bottom plate that includes a light source supporting portion and a light guide plate supporting portion. The bottom plate includes a surface on which the light source and the light guide plate are arranged. The flexible circuit board is bent and a portion thereof is opposed to another surface of the light source supporting portion. The signal transmission circuit board is arranged over the other surface. The first heat dissipation member is sandwiched between the light guide plate supporting portion and the flexible circuit board and in contact with the other surface and with the flexible circuit board.