Abstract: The present disclosure provides a driving circuit, a backlight module and a driving method therefor, and a display apparatus. The driving circuit includes a driving transistor and a voltage adjusting circuit; a source of the driving transistor is coupled to a first voltage signal end, a drain of the driving transistor is coupled to a light-emitting device group, and a gate of the driving transistor is coupled to an output terminal of the voltage adjusting circuit, where the light-emitting device group includes a plurality of light-emitting regions arranged in a first direction, and each light-emitting region includes at least one light-emitting device; a first input terminal of the voltage adjusting circuit is coupled to a second voltage signal end; the voltage of the second voltage signal end is a preset driving voltage Vgs of the driving transistor.

Abstract: The present disclosure provides a display system, comprising a controller, a display panel and a variable phase retarder; wherein the variable phase retarder comprises sub-phase retarders, and each of the sub-phase retarders corresponds to and is configured to accept light emitted by one of sub-display regions of the backlight unit; the controller comprises a variable phase retarder driver, wherein the variable phase retarder driver is configured to send second drive signals to the variable phase retarder, wherein the second drive signals cause the sub-phase retarders to change state one by one.

Abstract: The present disclosure provides a driving circuit, a backlight module and a driving method therefor, and a display apparatus. The driving circuit includes a driving transistor and a voltage adjusting circuit; a source of the driving transistor is coupled to a first voltage signal end, a drain of the driving transistor is coupled to a light-emitting device group, and a gate of the driving transistor is coupled to an output terminal of the voltage adjusting circuit, where the light-emitting device group includes a plurality of light-emitting regions arranged in a first direction, and each light-emitting region includes at least one light-emitting device; a first input terminal of the voltage adjusting circuit is coupled to a second voltage signal end; the voltage of the second voltage signal end is a preset driving voltage Vgs of the driving transistor.

Abstract: The present disclosure provides a display system, comprising a controller, a display panel and a variable phase retarder; wherein the variable phase retarder comprises sub-phase retarders, and each of the sub-phase retarders corresponds to and is configured to accept light emitted by one of sub-display regions of the backlight unit; the controller comprises a variable phase retarder driver, wherein the variable phase retarder driver is configured to send second drive signals to the variable phase retarder, wherein the second drive signals cause the sub-phase retarders to change state one by one.

Abstract: The present disclosure relates to a drive method of a display system, a display system and an electronic device. The drive method includes: sending, by a controller, first drive signals to a display panel in sequence and sending, by the controller, second drive signals to a variable phase retarder in sequence, where first drive signals cause liquid crystals of each of the sub-display regions to deflect one by one, and the second drive signals cause sub-phase retarders to change state one by one; sending, by the controller, third drive signals to the display panel in sequence, where the third drive signals cause sub-backlight regions to turn on in sequence, and each of the sub-backlight regions turns on not earlier than the corresponding sub-phase retarder changes state, where the corresponding sub-phase retarder refers to a sub-phase retarder for accepting light emitted by the sub-display region corresponding to the sub-backlight region.

Abstract: The present disclosure relates to a drive method of a display system, a display system and an electronic device. The drive method includes: sending, by a controller, first drive signals to a display panel in sequence and sending, by the controller, second drive signals to a variable phase retarder in sequence, where first drive signals cause liquid crystals of each of the sub-display regions to deflect one by one, and the second drive signals cause sub-phase retarders to change state one by one; sending, by the controller, third drive signals to the display panel in sequence, where the third drive signals cause sub-backlight regions to turn on in sequence, and each of the sub-backlight regions turns on not earlier than the corresponding sub-phase retarder changes state, where the corresponding sub-phase retarder refers to a sub-phase retarder for accepting light emitted by the sub-display region corresponding to the sub-backlight region.

Abstract: The present disclosure provides a grayscale compensation method, a gray-scale compensation assembly, and a liquid crystal display device. The gray-scale compensation method includes: detecting a display region for compensation in the liquid crystal display screen that needs grayscale compensation under a reserved liquid crystal response time; acquiring a grayscale conversion timetable of the liquid crystal display screen, and obtaining a limit value of conversion time of the liquid crystal display screen according to the grayscale conversion timetable; acquiring a compensation grayscale lookup table of the display region for compensation; comparing the reserved liquid crystal response time and the limit value of conversion time to obtain a time comparison result; performing grayscale compensation on the display region according to the time comparison result, the grayscale conversion timetable and the compensation grayscale lookup table.

Abstract: The present disclosure provides a grayscale compensation method, a grayscale compensation assembly, and a liquid crystal display device. The grayscale compensation method includes: detecting a display region for compensation in the liquid crystal display screen that needs grayscale compensation under a reserved liquid crystal response time; acquiring a grayscale conversion timetable of the liquid crystal display screen, and obtaining a limit value of conversion time of the liquid crystal display screen according to the grayscale conversion timetable; acquiring a compensation grayscale lookup table of the display region for compensation; comparing the reserved liquid crystal response time and the limit value of conversion time to obtain a time comparison result; performing grayscale compensation on the display region according to the time comparison result, the grayscale conversion timetable and the compensation grayscale lookup table.

Abstract: An electrical discharge machine is disclosed having a concentration detection function for a rust inhibitor containing an organic compound uses coloring of a metal complex produced through the reaction of the rust inhibitor with a color reagent to enable a detector to detect the change of characteristics involved in the change of the color of the metal complex. A predetermined amount of working fluid is sampled in a sampling cell at regular time intervals, a predetermined amount of color reagent is added to the working fluid, and the change of the color of the working fluid is detected by the detector.

Abstract: An electrical discharge machine is disclosed having a concentration detection function for a rust inhibitor containing an organic compound uses coloring of a metal complex produced through the reaction of the rust inhibitor with a color reagent to enable a detector to detect the change of characteristics involved in the change of the color of the metal complex. A predetermined amount of working fluid is sampled in a sampling cell at regular time intervals, a predetermined amount of color reagent is added to the working fluid, and the change of the color of the working fluid is detected by the detector.

Abstract: An electric discharge machine for changing a specific resistance of a working fluid by flowing the working fluid through a circulation line including an ion-exchange device, the electric discharge machine includes a specific resistance detection unit configured to detect a specific resistance of the working fluid, a flow time measuring unit configured to measure flow time of the working fluid into the ion-exchange device, and a determination unit configured to determine that the ion-exchange device reaches a life end, when change value of the specific resistance of the working fluid is out of the predetermined range.