Samsung Electronics Co., Ltd.

Woojun Jung

Seungjin Kim

Gwanghui Lee

Minwoo Lee

Mooyoung Kim

Minwoo Kim

Juseok Lee

Donghyun Yeom

Seoyoung Lee

Joonyung Park

Junghyun Kim

Byungduk Yang

Seungryeol Kim

Kimyung Lee

Sungjun Lee

Kwonsoo Kim

An electronic device is provided. The electronic device includes a display driver integrated circuit (IC), a display and a processor configured to receive an interrupt signal from the display driver IC based on a plurality of scanning rates set to a plurality of regions of the display, obtain a plurality of vertical synchronization signals associated with a plurality of regions, based on the received interrupt signal, obtain pieces of content to be displayed in a plurality of regions based on the plurality of vertical synchronization signals, synthesize content based on the coordinate information about the pieces of content, and transmit, to the display driver IC, information about the synthesized pieces of content and information about the remaining pieces of the synthesized content so the synthesized pieces of content and the remaining pieces of the synthesized content are displayed in the plurality of regions.

Electronic device for displaying content on basis of plurality of scanning rates and operating method therefor

An electronic device according to various embodiments comprises: a flexible display including a main display region and at least one extendable display region that can be extended from the main display region; and a processor operatively connected to the display, wherein the processor is configured to: control the display to display first content on the main display having a first size while the electronic device is in a slide-in state, slide the display out to extend same to a second size based on touch input information about the display region being received, control the display to display second content on the extendable display region or the entire display region while the state of the electronic state is being switched into a slide-out state, and complete displaying of the second content and display the first content on at least a part of the display based on switching of the state of the electronic state to the slide-out state being completed.

Seamless screen display during expansion or reduction of a flexible display of an electronic device

An example electronic device may include a display including a main display area and at least one expansion display area expandable from the main display area; and a processor operatively coupled to the display. The processor is configured to, while the electronic device is in a slide-in state, display, on the main display area, a first screen corresponding to an application executed in the slide-in state; based on a portion of the expansion display area being slid out, generate a second screen to be displayed on the main display area and a portion of the slid-out expansion display area; generate a slide effect screen and display the same on at least a portion of the slid-out expansion display area, at least at the same time as the generation of the second screen; and based on the generation of the second screen being completed, remove the display of the slide effect screen and display the second screen on the main display area and the slid-out expansion display area.

Electronic device including flexible display, and screen control method

An electronic device includes a display including a plurality of regions, a display driver integrated circuit configured to drive a first region of the display at a first driving frequency and drive a second region of the display at a second driving frequency according to a configuration of the display, and a processor configured to provide display data to the display driver integrated circuit. The processor identifies a driving frequency of a first screen to be output on the display in response to reception of a first input; and controls the display to output at least a portion of the first screen on a region, of the plurality of regions, driven at a driving frequency corresponding to the driving frequency of the first screen. The display optimizes driving frequency, thus reducing heating problems and resource waste in the electronic device.

Multi-driving method of display and electronic device supporting same

An electronic device includes a display including a plurality of pixels; a display driver configured to provide a data voltage to the plurality of pixels of the display; and a processor configured to: obtain frequency change-based event information, determine a first frequency and a second frequency higher than the first frequency based on the frequency change-based event information, the first frequency being a target value of a refresh frequency, and provide frame data to the display driver, wherein the processor is further configured to control the display driver to: set a frame section in which the display is driven, during a first frame, generate the data voltage based on the frame data and provide the data voltage to the plurality of pixels, and during a low-frequency driving section, in which the frame data is not obtained, after the first frame, refresh an image based on the second frequency and refresh the image based on the first frequency.

Electronic device comprising display and operation method thereof

On an electronic device which includes a display device comprising a display driving circuit, a processor, and a memory a method for changing a refresh rate of the display device includes: changing at least one of a first parameter, a second parameter, or a third parameter in response to identifying the occurrence of at least one of a scan rate change request or a change in scan rate change restriction, and applying the changed parameter among the first parameter, the second parameter, and the third parameter. The first parameter is the frequency of a first synchronization signal generated in the display driving circuit, the second parameter is the increase or decrease in a blank area to substitute for a portion of active video area in frame information, and the third parameter is the frequency of a second synchronization signal for rendering.

Electronic device comprising display, and operation method thereof

An electronic device is provided. The electronic device includes a display panel and a display driver integrated circuit configured to drive the display panel. The display driver integrated circuit is configured to determine a luminance value of the display panel if a request for a change from a current driving frequency of the display panel to a target driving frequency is received, and determine at least one intermediate driving frequency between the current driving frequency and the target driving frequency depending on the luminance value of the display panel.

Method of controlling the transition between different refresh rates on a display device

According to an embodiment, an electronic device may include at least one processor, a display, a memory configured to store image frames, and a display controller configured to output the image frames. The at least one processor may be configured to transmit a first image frame to be output through the display, based on a first timing signal received from the display controller, identify a state of the electronic device, transmit first control information for changing a timing of the first timing signal, in response to transmitting the first control information for changing the timing of the first timing signal, receive a second timing signal from the display controller, and transmit, to the memory, a second image frame to be output through the display, based on the received second timing signal. The timing of the second timing signal may differ from the timing of the first timing signal.

Electronic device and method for controlling timing signal

In accordance with certain embodiments, an electronic device comprises: a memory; a display; and a processor operatively connected with the memory, wherein the processor is configured to: identify a target refresh rate and a current refresh rate of the display; and change the refresh rate of the display to a first refresh rate between the current refresh rate and the target refresh rate before changing the refresh rate of the display to the target refresh rate.

Electronic device including display and method for operating the same

An electronic device according to one embodiment of the present invention can comprise a display panel, a display controller, a memory, and a processor electrically connected to the display panel, the display controller, and the memory. The memory can store instructions, when executed, which allow the process to: draw an image in response to a periodic synchronization signal; compose the drawl image in response to the synchronization signal after the drawing of the image; transmit the composed image to the display controller in response to synchronization signal after the composing of the image; measure, after the transmitting of the composed image, a first standby time until the next synchronization signal is generated; perform control such that the display panel displays an image in response to the generation of the next synchronization signal; determine a first offset value on the basis of the first standby time; and determine an image composition time point by applying the first offset value to the periodic synchronization Additionally, various examples are possible.

Growing community of inventors

Gyeonggi-do, South Korea

Woojun Jung