Abstract: A display module includes a display panel, a middle frame, a film assembly, a backlight source and a backplane. The middle frame includes sub-frames each including a body and a support portion. The backplane includes a substrate and flanges. The sub-frames include at least one first sub-frame. The body of the first sub-frame is provided with a protrusion and the protrusion abuts against a corresponding flange. In the thickness direction of the flange, the orthographic projection of the protrusion on the substrate does not completely cover the orthographic projection of the corresponding flange on the substrate. The backlight source and the film assembly are sequentially arranged on the substrate, and the film assembly is located between the support portions and the flanges; and in the thickness direction of the flanges, an expansion gap is reserved between the protrusions and the film assembly.

Abstract: Provided are a vehicle control method and apparatus, a device, and a storage medium. The vehicle control method includes: acquiring positioning data output by a GNSS module and IMU data output by an IMU module, and acquiring attitude angle data based on the positioning data and the IMU data; acquiring rotation angle information of a vehicle front wheel based on the IMU data, motor position encoder data of an electric steering wheel, and vehicle size data; acquiring target rotation angle information of the vehicle front wheel based on the positioning data, the attitude angle data, the vehicle size data, the rotation angle information of the vehicle front wheel, and planned path data; generating target control information based on the target rotation angle information, and sending the target control information to the electric steering wheel so that the electric steering wheel rotates based on the target control information.

Abstract: The present application provides improved methods and compositions for in vitro transcription of mRNA that has reduced levels of dsRNA contaminant.

Abstract: Provided are a display device, a backlight source, and an automobile. The display device includes a view angle control panel; in a sharing mode phase, a same voltage is provided for the first electrode and the second electrode; in a privacy mode phase, a first voltage is provided for the first electrode, and an alternating voltage signal is provided for the second electrode, where a high voltage of the alternating voltage signal is greater than the first voltage, and a low voltage of the alternating voltage signal is less than the first voltage; in a transition phase, the first voltage is provided for the first electrode, and a voltage signal with gradually changing duty cycles is provided for the second electrode; where the transition phase is located between the sharing mode phase and the privacy mode phase.

Abstract: A light-emitting panel and a display apparatus are provided in the present disclosure. The light-emitting panel includes light-emitting units, where the light-emitting unit includes a pixel circuit and a light-emitting element which are electrically connected to each other, the light-emitting element includes light-emitting parts, and a plurality of light-emitting parts in one light-emitting element includes first and second light-emitting parts; and a substrate, where a collimation structure is on a side of the first light-emitting part away from the substrate, and an orthographic projection of the collimation structure on the substrate is overlapped with an orthographic projection of the first light-emitting part on the substrate.

Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.

Abstract: Provided are a switchable viewing angle display module and a vehicle. The display module comprises a viewing angle switching panel, a liquid crystal display panel, and a driver circuit. The viewing angle switching panel includes a first substrate and a second substrate, a dye liquid crystal layer, and a drive electrode layer. The drive electrode layer is disposed on a side of the first substrate and/or the second substrate facing the dye liquid crystal layer. The drive electrode layer includes a plurality of drive electrodes arranged sequentially along a first direction, and an interval of a preset length is set between two adjacent ones of the plurality of drive electrodes. The driver circuit is electrically connected to the plurality of drive electrodes, respectively and configured to provide sequentially increasing drive voltages to the plurality of drive electrodes arranged sequentially along the first direction.

Abstract: Provided are a driver circuit, a light-emitting panel and a preparation method thereof, and a display device. The driver circuit includes a terminal connection module, a drive module, and a short-circuit protection module. The terminal connection module, the drive module, and the short-circuit protection module are connected in series between a first power supply terminal and a second power supply terminal, and the short-circuit protection module is connected in series between the terminal connection module and the second power supply terminal. The terminal connection module is connected to an original light-emitting unit so that the original light-emitting unit is connected in series between the first power supply terminal and the second power supply terminal. The short-circuit protection module is configured to be disconnected in a case where the original light-emitting unit is short-circuited.

Abstract: Provided are a driver circuit, a light-emitting panel and a preparation method thereof, and a display device. The driver circuit includes a terminal connection module, a drive module, and a short-circuit protection module. The terminal connection module, the drive module, and the short-circuit protection module are connected in series between a first power supply terminal and a second power supply terminal, and the short-circuit protection module is connected in series between the terminal connection module and the second power supply terminal. The terminal connection module is connected to an original light-emitting unit so that the original light-emitting unit is connected in series between the first power supply terminal and the second power supply terminal. The short-circuit protection module is configured to be disconnected in a case where the original light-emitting unit is short-circuited.

Abstract: Provided are a display device, a backlight source, and an automobile. The display device includes a view angle control panel; in a sharing mode phase, a same voltage is provided for the first electrode and the second electrode; in a privacy mode phase, a first voltage is provided for the first electrode, and an alternating voltage signal is provided for the second electrode, where a high voltage of the alternating voltage signal is greater than the first voltage, and a low voltage of the alternating voltage signal is less than the first voltage; in a transition phase, the first voltage is provided for the first electrode, and a voltage signal with gradually changing duty cycles is provided for the second electrode; where the transition phase is located between the sharing mode phase and the privacy mode phase.

Abstract: Provided are a switchable viewing angle display module and a vehicle. The display module comprises a viewing angle switching panel, a liquid crystal display panel, and a driver circuit. The viewing angle switching panel includes a first substrate and a second substrate, a dye liquid crystal layer, and a drive electrode layer. The drive electrode layer is disposed on a side of the first substrate and/or the second substrate facing the dye liquid crystal layer. The drive electrode layer includes a plurality of drive electrodes arranged sequentially along a first direction, and an interval of a preset length is set between two adjacent ones of the plurality of drive electrodes. The driver circuit is electrically connected to the plurality of drive electrodes, respectively and configured to provide sequentially increasing drive voltages to the plurality of drive electrodes arranged sequentially along the first direction.

Abstract: Provided is a driving method for a display device. The driving method includes: obtaining, by the driving chip, a theoretical brightness value of the light-emitting diode in each of the plurality of light-exiting sub-areas based on an image to be displayed on the display panel; obtaining an actual brightness look-up table, searching the actual brightness look-up table for an actual brightness value closest to the theoretical brightness value, and setting the actual brightness value closest to the theoretical brightness value as a first brightness value; and generating a first pulse signal based on the first brightness value and outputting the first pulse signal to the switch in each of the plurality of light-exiting sub-areas, in such a manner that the switch controls, under driving of the first pulse signal, the light-emitting diode to emit light under an action of a first power supply signal and a second power supply signal.

Abstract: A light-emitting panel and a brightness adjustment method, and a display device are provided. The method includes providing the light-emitting panel including a substrate, a plurality of light-emitting units, a control circuit, and a plurality of signal lines. The control circuit includes a data signal input terminal, a data storage unit, and a plurality of first signal terminals. The data storage unit is configured to store a first voltage signal and a first pulse width modulation signal corresponding to a different grayscale value. Each signal line connects a light-emitting unit with a first signal terminal. The method also includes obtaining a to-be-displayed screen, and determining each grayscale value of a corresponding light-emitting unit of the plurality of light-emitting units. Further, the method includes according to different grayscale values, calling the first pulse width modulation signal and the first voltage signal corresponding to each grayscale value in the data storage unit.

Abstract: A backlight drive method, a backlight drive device, a backlight source system, and a display device are provided in the present disclosure. The backlight drive method is used to drive a light-emitting region of a backlight source of the display device. Driving the light-emitting region of the backlight source includes acquiring actual ambient brightness of an ambient where the display device is located. Driving the light-emitting region of the backlight source further includes determining a target backlight brightness range of light exited from the light-emitting region with reference to the actual ambient brightness, where the target backlight brightness range is within an intrinsic brightness range of the light-emitting region. Driving the light-emitting region of the backlight source further includes matching the target backlight brightness range to a plurality of gray levels preset in the light-emitting region.

Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction.

Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a plurality of light-emitting components arranged in an array, a plurality of signal calculation modules, and a reference-signal generation module. A light-emitting component includes a light-emitting module and a first switch module. The light-emitting module and the first switch module are connected in series between a first power terminal and a second power terminal. A control terminal of the first switch module is connected to a signal calculation module, and the signal calculation module is connected to the reference-signal generation module. The reference-signal generation module is configured to generate a reference signal. The signal calculation module is configured to receive an original data signal and the reference signal, and generate a first data signal. The signal calculation module is further configured to generate a pulse width modulation signal, and to control the light-emitting module to emit light.

Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a plurality of light-emitting components arranged in an array, a plurality of signal calculation modules, and a reference-signal generation module. A light-emitting component includes a light-emitting module and a first switch module. The light-emitting module and the first switch module are connected in series between a first power terminal and a second power terminal. A control terminal of the first switch module is connected to a signal calculation module, and the signal calculation module is connected to the reference-signal generation module. The reference-signal generation module is configured to generate a reference signal. The signal calculation module is configured to receive an original data signal and the reference signal, and generate a first data signal. The signal calculation module is further configured to generate a pulse width modulation signal, and to control the light-emitting module to emit light.

Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction.

Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.

Abstract: A backlight drive method, a backlight drive device, a backlight source system, and a display device are provided in the present disclosure. The backlight drive method is used to drive a light-emitting region of a backlight source of the display device. Driving the light-emitting region of the backlight source includes acquiring actual ambient brightness of an ambient where the display device is located. Driving the light-emitting region of the backlight source further includes determining a target backlight brightness range of light exited from the light-emitting region with reference to the actual ambient brightness, where the target backlight brightness range is within an intrinsic brightness range of the light-emitting region. Driving the light-emitting region of the backlight source further includes matching the target backlight brightness range to a plurality of gray levels preset in the light-emitting region.