A display device for displaying image is disclosed, which comprises: a control module configured to control display of images; and a power source system coupled to the control module and configured to provide system voltage to the control module. The power source system includes: a constant current control module; a first power module coupled to a first node; and a second power module coupled to the first node through the constant current control module. The constant current control module is configured to detect the system voltage provided for the control module, and based on the system voltage, determine whether the second power module charges the first power module with constant current.

A shift register and a method for driving the same, a gate driving circuit, and a display device, the shift register includes: a pull-up node control circuit allowing a potential of a pull-up node to become high according to a first input signal and a second input signal; a first capacitor coupled between a signal output terminal and the pull-up node of the shift register; a pull-down node control circuit controlling a potential of the pull-down node according to the second clock signal and the third clock signal and the potential of the pull-up node; an output circuit controlling an output of a gate driving signal at the signal output terminal; and a pull-down circuit allowing the potential of the pull-up node and a potential of the signal output terminal to become low.

A portable electronic device including a first touch display device, a second touch display device and a processing device is provided. The first touch display device is disposed on a first surface of a device body and configured to display a first image frame. The second touch display device is disposed on a second surface of the device body, configured to display a second image frame and receives a touch input. The processing device is coupled to the first touch display and the second touch display. The processing device is configured to verify gesture information of the touch input to determine whether to execute an application associated with the gesture information. The first image frame of the first touch display device correspond to the application. In addition, a method of operating the portable electronic device is also provided.

A display device including scan lines, data lines, k clock signal lines and pixel groups is provided. The pixel groups are respectively driven by the data lines, the corresponding scan lines and the corresponding clock signal lines. Each pixel group includes pixel units respectively configured at intersections of the data lines and the corresponding scan lines, where the scan lines in each pixel group receive a same scan driving signal. Each pixel unit includes two switches and a pixel electrode. Conduction states of the two switches are respectively controlled by the corresponding scan line and the corresponding clock signal line, where clock signals of the clock signal lines corresponding to the pixel units on the adjacent scan lines have a phase difference of 1/k cycle.

A temperature sensing module for a display device includes a temperature sensing routing, configured on a panel of the display device; and a temperature sensing unit, able to sense a resistance of the temperature sensing routing and generate a temperature indicating information according to the resistance; wherein the temperature indicating information indicates an operating temperature of an active area of the panel and is utilized to adjust at least one driving signal that controls the active area to display images.

Methods and devices are provided for the construction of an electronic device, such as a digital wireless transmitter, containing an e-paper display that is sensitive to changes in the configuration of the power supply for the device. This display provides up-to-date accurate information to a user, even after a power disconnect.

Disclosed in the present disclosure are an electronic sign display method and an electronic device. The method includes determining conference information to be displayed and a first region in a display region of the electronic sign, wherein the conference information includes conference captions and conference contents corresponding to the conference captions; determining a quantity threshold of pieces of conference information being capable of being contained in the first region according to a size of the conference information and a size of the first region; and in response to the number of pieces of conference information to be displayed exceeding the quantity threshold, selecting pieces of conference information with a number less than or equal to the quantity threshold from a conference information queue to be displayed, and displaying the selected pieces of conference information in the first region.

A display device including scan lines, data lines, k clock signal lines and pixel groups is provided. The pixel groups are respectively driven by the data lines, the corresponding scan lines and the corresponding clock signal lines. Each pixel group includes pixel units respectively configured at intersections of the data lines and the corresponding scan lines, where the scan lines in each pixel group receive a same scan driving signal. Each pixel unit includes two switches and a pixel electrode. Conduction states of the two switches are respectively controlled by the corresponding scan line and the corresponding clock signal line, where clock signals of the clock signal lines corresponding to the pixel units on the adjacent scan lines have a phase difference of 1/k cycle.

A large area display having multiple sub-units arranged in rows and columns and a method of driving the multiple sub-units as a single display are provided. Each sub-unit has an associated pixel row driver and pixel column driver. The large area display may also include a chip select means that provides a separate chip select signal to the pixel row driver of each row of sub-units, so that in the row of sub-units for which the associated row driver has received the chip select signal, only the rows of pixels within a single row of sub-units are supplied data at any one time. Column data and delayed Gate Start Pulse signals are fed to the pixel column drivers in each column of sub-units such that the appropriate column data values are supplied to the associated pixel column drivers.

An electronic paper display apparatus comprises an electronic paper display unit, a control unit electrically connected to the electronic paper display unit and including a power-level detection circuit, a storage unit at least storing an identification/alert information and electrically connected to the control unit, a wireless communication module and a power unit. The wireless communication module is electrically connected to the control unit and includes a satellite positioning receiving unit, which receives a current satellite positioning signal of the electronic paper display apparatus. The power unit is at least electrically connected to the power-level detection circuit of the control unit. When a power of the power unit is greater than or equal to a first power threshold and less than or equal to a second power threshold, the control unit loads the identification/alert information and a satellite positioning information in the storage unit into the electronic paper display unit.