An electronic device projection method is provided. The projection method is applied to a first electronic device, and the first electronic device is communicatively connected to a second electronic device. The projection method includes: obtaining a screen resolution of the first electronic device; obtaining a screen resolution of the second electronic device, where a screen resolution ratio of the second electronic device is not equal to a screen resolution ratio of the first electronic device; adjusting the screen resolution of the first electronic device, to enable the screen resolution ratio of the first electronic device to be equal to the screen resolution ratio of the second electronic device; and collecting screen data of the first electronic device, and sending the screen data to the second electronic device, to display screen content of the first electronic device on the second electronic device.

A display apparatus is disclosed. The display apparatus comprises: a display panel which can output a first resolution content at a first frame rate; a communication interface comprising communication circuitry; and a processor which when a first resolution content is received through the communication interface and the frame rate of the content is the first frame rate, is configured to: adjust the resolution of the received content to a second resolution, generate an interpolated frame for the second resolution content, and control the display panel to output the second resolution content including the interpolated frame at a second frame rate greater than the first frame rate.

An electronic device includes a first housing and a second housing that overlaps the first housing. The electronic device includes a display with a first region and a second region. The electronic device includes a processor configured to control the display to display at least one content. The processor is configured to determine a first content and a second content. The processor is configured to identify that a region of the display is extended. In response to identifying that the region of the display is extended, the processor is configured to change a resolution of the first content to correspond to a size of the extended region of the display while the display is being extended. The processor is configured to change a resolution of the second content to correspond to the size of the extended region of the display after the extension of the display is completed.

A display device includes a content receiver receiving content having a first resolution, a display panel being drivable at a first frame rate with respect to the first resolution, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to adjust a resolution of the content to a second resolution, adjust a size of graphics such that the graphics generated to correspond to the first resolution corresponds to the second resolution, synthesize the content having the second resolution and graphics having an adjusted size, and control the display panel to display a synthesized image at a second frame rate that is greater than the first frame rate.

A weighed run-length encoding and decoding method and related devices and encoded bitstream. The encoded bitstream can comprise one or more of the following: a skip command packed into a nybble, the skip command indicating how many transparent pixels which are inserted into the bitstream, wherein there is up to a maximum number of transparent pixels; a solid command packed into a nybble, the solid command indicating how many solid pixels should be inserted into the decoded bitstream, wherein there are up to the maximum number of solid pixels; and a quote command packed into a nybble, the quote command indicating how many quoted pixels should be inserted into the decoded bitstream, wherein there are up to the maximum number of quoted pixels.

An electronic device according to various embodiments may include: a housing; a display panel exposed through part of the housing; a display driver Integrated Circuit (IC) for driving the display panel; a processor located inside the housing and operatively coupled to the display panel and the display driver IC; and a memory located inside the housing and operatively coupled to the processor and the display driver IC. The memory may store instructions, when executed, causing the processor to display a first screen through the display panel, identify whether there is a request for entering a low power state, generate information on a second screen including at least part of the first screen and write the information in the memory, in response to the request for entering the low power state, enter the low power state in response to writing the information, and causing the display driver IC to display the second screen through the display panel, based on the information, written in the memory, on the second screen, while the processor is in the low power state.

An electronic device according to various embodiments may include a display panel, a Display Driving Integrated Circuit (DDIC) operatively coupled to the display panel, and a processor operatively coupled to the DDIC. The DDIC may be configured to receive, from the processor, a signal indicating that a first resolution is to be converted to a second resolution while displaying an image at the first resolution through the display panel, based on a horizontal synchronization signal including a first porch interval, change a length of the porch interval in response to the reception, and display the image at the second resolution through the display panel, based on the horizontal synchronization signal including the porch interval having the changed length.

An electronic device according to various embodiments may include: a housing; a display panel exposed through part of the housing; a display driver Integrated Circuit (IC) for driving the display panel; a processor located inside the housing and operatively coupled to the display panel and the display driver IC; and a memory located inside the housing and operatively coupled to the processor and the display driver IC. The memory may store instructions, when executed, causing the processor to display a first screen through the display panel, identify whether there is a request for entering a low power state, generate information on a second screen including at least part of the first screen and write the information in the memory, in response to the request for entering the low power state, enter the low power state in response to writing the information, and causing the display driver IC to display the second screen through the display panel, based on the information, written in the memory, on the second screen, while the processor is in the low power state.

Methods, systems and devices for displaying video content on large, high resolution video walls, which may comprise a mesh network of an array of display tiles with redundant network switching, in which a virtual, unlimited pixel canvas is created in a video controller memory to facilitate packetizing and addressing of video content packets for delivery to the video wall through a packet-switched network. Embodiments disclosed are particularly well-suited for use with video walls employing LED tiles.

An electronic device includes a first housing and a second housing that overlaps the first housing. The electronic device includes a display with a first region and a second region. The electronic device includes a processor configured to control the display to display at least one content. The processor is configured to determine a first content and a second content. The processor is configured to identify that a region of the display is extended. In response to identifying that the region of the display is extended, the processor is configured to change a resolution of the first content to correspond to a size of the extended region of the display while the display is being extended. The processor is configured to change a resolution of the second content to correspond to the size of the extended region of the display after the extension of the display is completed.