Abstract: The present invention provides a common-mode rejection ratio and gain trimming circuit of differential amplifier, comprising: a first trimming unit and a second trimming unit coupled between an in-phase input voltage and a reference voltage, wherein the first trimming unit and the second trimming unit are coupled to a positive input terminal of the differential amplifier by means of tap switches; a third trimming unit and a fourth trimming unit coupled between tan inverting input voltage and an output terminal of the differential amplifier, wherein the third trimming unit and the fourth trimming unit are coupled to a negative input terminal of the differential amplifier by means of tap switches; wherein, the first trimming unit, the second trimming unit, the third trimming unit, and the fourth trimming unit comprise: a first trimming resistor string and a second trimming resistor string coupled in series; the first trimming resistor string is coupled in parallel with a first trimming auxiliary resistor string

Abstract: The present invention provides a common-mode rejection ratio and gain trimming circuit of differential amplifier, comprising: a first trimming unit and a second trimming unit coupled between an in-phase input voltage and a reference voltage, wherein the first trimming unit and the second trimming unit are coupled to a positive input terminal of the differential amplifier by means of tap switches; a third trimming unit and a fourth trimming unit coupled between tan inverting input voltage and an output terminal of the differential amplifier, wherein the third trimming unit and the fourth trimming unit are coupled to a negative input terminal of the differential amplifier by means of tap switches; wherein, the first trimming unit, the second trimming unit, the third trimming unit, and the fourth trimming unit comprise: a first trimming resistor string and a second trimming resistor string coupled in series; the first trimming resistor string is coupled in parallel with a first trimming auxiliary resistor string

Abstract: A method and a device for displaying non-standard resolution data are provided. The method includes: reading signal source data and determining whether the signal source data is standard resolution data; in a case that the signal source data is non-standard resolution data, determining whether the non-standard resolution data is already stored in a memory; in a case that the non-standard resolution data is already stored in the memory, displaying the non-standard resolution data; and in a case that the non-standard resolution data is not stored in the memory, storing the non-standard resolution data in the memory and displaying the non-standard resolution data.

Abstract: A backlight adjustment method and a backlight adjustment system are provided. The backlight adjustment method includes a compensation phase. The compensation phase includes: controlling a light source to respectively emit light having a plurality of first illuminations; detecting a plurality of backlight parameters of a display device under the light having the plurality of first illuminations, and calculating a brightness compensation coefficient of the display device according to the plurality of backlight parameters; and adjusting a backlight coefficient of the display device according to the brightness compensation coefficient, so as to compensate for backlight brightness of the display device.

Abstract: A method and a device for displaying non-standard resolution data are provided. The method includes: reading signal source data and determining whether the signal source data is standard resolution data; in a case that the signal source data is non-standard resolution data, determining whether the non-standard resolution data is already stored in a memory; in a case that the non-standard resolution data is already stored in the memory, displaying the non-standard resolution data; and in a case that the non-standard resolution data is not stored in the memory, storing the non-standard resolution data in the memory and displaying the non-standard resolution data.

Abstract: A backlight adjustment method and a backlight adjustment system are provided. The backlight adjustment method includes a compensation phase. The compensation phase includes: controlling a light source to respectively emit light having a plurality of first illuminations; detecting a plurality of backlight parameters of a display device under the light having the plurality of first illuminations, and calculating a brightness compensation coefficient of the display device according to the plurality of backlight parameters; and adjusting a backlight coefficient of the display device according to the brightness compensation coefficient, so as to compensate for backlight brightness of the display device.

Abstract: A backlight and a mode control method thereof, a display panel, and a display are provided. The backlight includes: a backlight body, the backlight body has a display mode and an illumination mode, luminance of the illumination mode is greater than luminance of the display mode; a switching circuit configured to generate mode information of the backlight body; a detection circuit configured to obtain the mode information generated by the switching circuit; and a control circuit configured to receive the mode information obtained by the detection circuit and drive the backlight body to switch between two display modes based on the mode information obtained by the detection circuit.