A display apparatus includes a housing having a pillar shape, a plurality of monitors, and a driving unit received in the housing and providing driving signals to the plurality of monitors. Each of the plurality of monitors displays an image through its front surface and back surface and includes side surfaces connecting the front surface and the back surface. One side surface of the side surfaces of each of the plurality of monitors is coupled to the housing. A thickness of each of the plurality of monitors decreases as a distance from the housing increases.

A communication device includes an interface connector for connecting to a computing circuit to receive a media data and an external power supply, a transmission circuit, wherein the circuit transmits the media data to a network, a battery power supply, a controller circuit powered by the battery power supply, a sensor, communicatively coupled to the controller circuit, for detecting a movement of the communication device, a switch circuit for switchably connecting the battery power supply to the transmission circuit responsive to a first switch control signal, and a test circuit, communicatively coupled to the controller circuit, for generating the first switch control signal based on an external power control signal indicating whether the interface connector is connected to the computing circuit and a motion detection signal indicating whether the sensor detects the movement of the communication device.

A gate driver according to an exemplary embodiment of the present inventive concept includes a pull-up-pull-down circuit configured to pull up a gate signal to a high level of a first clock signal in a first duration and configured to pull down the gate signal to a low level of the first clock signal in a second duration, and a pull-down boosting circuit configured to output a first off voltage to the pull-up-pull-down part in the second duration in response to a second clock signal.

A display panel and a display device are provided. The display panel includes: a display region and a peripheral region surrounding the display region. The display region comprises a first display sub-region and a second display sub-region. The width-to-length ratio of a channel region of an output transistor in a second gate shift register corresponding to the second display sub-region is decreased so as to reduce the charging time of pixels in the second display sub-region, so that the brightness of the pixels in the second display sub-region is consistent with the brightness region of pixels in the first display sub-region. The configuration facilitates achieving a narrow bezel while improving the display uniformness of the display panel without changing the existing circuit structure and occupying the additional bezel area.

A micro light-emitting diode (μLED) array system can include an image post processor configured to translate received image data to pulse width modulation (PWM) and/or analog current control data, an input frame buffer configured to receive the control data, a plurality of individually controllable μLEDS of a μLED array, a return frame buffer that receives data indicating a μLED electrical output characteristic including an output current, and compare circuitry configured to compare image data from the input and return frame buffers, and transfer comparison data to the image post processor, the image post processor configured to alter individual μLED control data based on the comparison data.

A display apparatus includes a body; a display provided in the body; a processor provided in the body and configured to control the display to display an image; and a power supply including an adapter configured to be detachable from the body, and a power assembly configured to receive power from the adapter in a non-contact manner and supply the power to at least one of the display and the processor.

An object of the present invention is to decrease the resistance of a power supply line, to suppress a voltage drop in the power supply line, and to prevent defective display. A connection terminal portion includes a plurality of connection terminals. The plurality of connection terminals is provided with a plurality of connection pads which is part of the connection terminal. The plurality of connection pads includes a first connection pad and a second connection pad having a line width different from that of the first connection pad. Pitches between the plurality of connection pads are equal to each other.

A device for inserting a flexible printed circuit board into a connector of a display panel includes: a suction unit configured to adhere to the flexible printed circuit board; a position restriction unit configured to restrict a position of the flexible printed circuit board; and a flexible printed circuit board transfer unit coupled to the suction unit and the position restriction unit, and configured to insert the flexible printed circuit board into the connector. A method of inserting a flexible printed circuit board into a connector of a display panel is also disclosed.

A driving method for a backlight module and a display device are disclosed. The driving method includes: generating mapping information from each local dimming area to the corresponding piece of local area dimming data according to preset positional relationships between a backlight driving chip and lamp beads in the backlight module; receiving, by a timing control chip, a frame of display data, and converting the display data into panel driving data and corresponding multiple pieces of local area dimming data; receiving, by a backlight driving circuit, the multiple pieces of local area dimming data in sequence, turning on the channel corresponding to the current local dimming area in turn according to the mapping information, and driving the lamp beads in the current local dimming area.

The present disclosure relates to display brightness control apparatuses and electronic devices. The display brightness control apparatus can be applied to a display panel. The display panel includes a thin film transistor unit and a light emitting unit. The display brightness control apparatus includes: a detector, which includes a plurality of thin-film transistors in the thin-film transistor unit and is used for outputting a detection current according to the brightness of ambient light; and a controller electrically connected to the detector and used for controlling the luminous brightness of the light-emitting unit according to the detection current. The detector is realized by means of the thin-film transistors, and is arranged inside the thin-film transistor unit of the display panel. The photosensitive characteristic of the thin-film transistors is used to detect the brightness of the ambient light.