Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Dongkyoon Han

Jongkon Bae

Yohan Lee

Yunpyo Hong

Donghwy Kim

Hyunjun Park

Hongkook Lee

Donghui Kim

Hanyuool Kim

Hoyoung Kim

Seungkyu Choi

Hyeongjun Kwon

Taesung Kim

Jong-Kon Bae

Heegun Park

Minsu Kim

Kwangtai Kim

Kyeongdong Kim

Taewoong Lee

Kyungmin Jeong

Hojin Kim

Taesung Cha

Kyoungmin Park

Soohyun Moon

Dongheon Shin

Keehyon Park

Hearyun Jung

Jaesung Lee

Donghyun Yeom

Hyunhee Park

Hyunchang Shin

Hyungsup Byeon

Jiyong Kim

Songhee Jung

Jinhyun Kim

Byungduk Yang

Seonghoon Kim

Taehyeong Kim

Jongho Kim

Seunghoon Ko

Jungbae Bae

Changwan Noh

Soohyung Kim

Yongman Lee

Harksang Kim

Jihoon Yoon

Jaegi Lee

Haesuk Choi

Chanwoo Kim

Matheus Farias Miranda

Jaecheol Kim

Euntaek Jang

Younghee Ha

Eunsook Seo

Wooyoung Oh

Hyunsuk Jung

Jiyoung Yi

Taemoon Roh

A display device is disclosed. The display device of the present disclosure comprises: an elongated roller; a flexible display panel that is wound on or unwound from the roller; a module cover located at the rear of the display panel; a foldable link that is adjacent to the rear surface of the module cover and is folded or unfolded in the upward and downward directions by being pivoted about a pivot axis parallel to the forward and backward directions; and a sheet that is coupled to the foldable link between the module cover and the foldable link, wherein the coefficient of friction of the sheet is lower than the coefficient of friction of the foldable link.

Display device

Disclosed is display device. The display device of the present disclosure includes: a flexible display panel; a roller around which the display panel is wound or from which the display panel is unwound; a base which extends in a longitudinal direction of the roller, and in which the roller is rotatably installed; a link mount supported by the base; a link which is pivotally connected to the link mount, and lifts the display panel; a pivot magnet fixed to a pivot center of the link; a magnetic sensor which detects a position of the pivot magnet; and a controller which controls a movement of the link, wherein when a position section of the pivot magnet is divided into an effective position section Ieff and an error position section Ierr, a position of the pivot magnet is changed within the effective position section, wherein the controller calculates angle information formed by the link with respect to the base from position information of the pivot magnet, and adjusts movement of the link based on the angle information.

A rollable display device includes: a soft display panel; a main roller for winding or unwinding the soft display panel; an actuator coupled to the soft display panel to ascend and descend the soft display panel; a housing having the main roller mounted therein, wherein an opening extending in a first direction is defined in a top of the housing to retract and extend the soft display panel therethrough; and an elastic portion having one end coupled to a perimeter of the opening and protruding to cover at least a portion of the opening, wherein the elastic portion includes a rubber portion having a predetermined length along the first direction. The rollable display device may minimize exposure of an interior of the housing to prevent foreign substances from entering.

Rollable display device

An electronic device includes: a display device, a processor operatively connected to the display device, and a memory operatively connected to the processor. The memory stores one or more instructions that when executed, cause the processor to: determine, as a second screen code value, a code value obtained by reducing a first screen code value corresponding to a luminance value of a screen of the display device by a decrement based on the screen being maintained in a turned on state during a first specific time after a screen-off condition of the display device is satisfied, and change the luminance value of the screen to correspond to the determined second screen code value.

Electronic device controlling luminance and method for controlling luminance thereof

An electronic device is disclosed that includes a display, a display driver IC that drives the display, and at least one processor operationally connected with the display and the display driver IC. The display driver IC moves a display location of one or more pixel data corresponding to an image associated with at least one application from a specified point by a specified distance on an active area of the display. The at least one processor is configured to scale up a first portion of the image by a specified range based on the specified distance, scale down a second portion of the image by the specified range based on the specified distance, and display the image on the active area based on the scaled-up first portion or the scaled-down second portion. In addition, various embodiments recognized through the specification are possible.

Electronic device for controlling display position or area of image on basis of change of content of image

A display device is disclosed. The display device includes a flexible display panel, a module cover positioned behind the flexible display panel, a panel roller coupled to a lower end of the flexible display panel, a subsidiary roller spaced apart from the panel roller and positioned adjacent to a front side of the flexible display panel, a protective sheet in contact with a front side of the flexible display panel when the protective sheet is wound around the panel roller together with the flexible display panel and the module cover, a filler coupled to the subsidiary roller, wherein a portion of the filler is configured to be in contact with the front side of the flexible display panel and a distance between a rotational axis of the panel roller and a rotational axis of the subsidiary roller is fixed.

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.

Electronic device and method for extending time interval during which upscaling is performed on basis of horizontal synchronization signal

Disclosed is an electronic device including a display panel displaying an image, a source driver supplying a source voltage to the display panel, and a display driver integrated circuit (DDI) including a timing controller controlling the source driver. The timing controller may be configured to identify information associated with a luminance of the image and to set a source bias current for controlling a slew rate of the source voltage based on the luminance of the image. Besides, various embodiments as understood from the specification are also possible.

Electronic device for controlling voltage slew rate of source driver on basis of luminance

An electronic device according to various embodiments may comprise: a display; a processor; a memory; and a display drive circuit for driving the display panel, wherein the display drive circuit is configured to: receive first frame data including at least a part of a second content from the processor while a first content is displayed using the display panel; keep from storing the received first frame data in the memory at least temporarily for a designated period of time; receive second frame data including at least a part of the second content from the processor after the designated period of time; store the received second frame data in the memory; and display the second content on the display panel according to the second frame data.

Electronic device and method for controlling storage of content displayed on display panel

Disclosed is an electronic device comprising at least one sensor, a communication circuit, a display, and at least one processor operationally connected to the display, wherein the at least one processor is configured to: display, on the display, a watch screen including a fixed element displayed at a designated location on the display, a repetitive element displayed on the basis of at least a designated rule, and a changing element associated with information obtained through the at least one sensor or received through the communication circuit; generate first data on the basis of at least one of the designated rule or the shape of the repetitive element; generate second data based on at least one of the fixed element or the changing element, in response to the changing element changing from a first value to a second value; and generate first deterioration information on the basis of the first data, the second data, and the duration over which the changing element maintains the first value. Various other embodiments understood through the specification are also possible.

Method for calculating degree of degradation on basis of properties of image displayed on display and electronic device for implementing same

An electronic device according to various embodiments may comprise: a display panel having an active area of a first designated size; and a processor. The processor may be configured to: run a designated application comprising a first application display layer set to display fixed content, and a second application display layer set to display changing content; and, while the designated application is running, and on the basis of at least the fixed content, display the first application display layer in a second designated size smaller than the first designated size, and at least temporarily move, within the active area, the first application display layer displayed in the second designated size.

Method for displaying content of application via display, and electronic device

Various embodiments of the present invention relate to an electronic device for adjusting voltage and an operation method therefor. The electronic device may comprise: a display; and a processor, wherein the processor is configured to: identify first information which relates to the brightness of at least one first content included in a first image layer and is to be displayed using the display, and second information which relates to the brightness of at least one second content included in a second image layer and is to be displayed using the display; adjust the brightness of the second content at least on the basis of a difference between the first information and the second information; and in a state where the second image layer is superimposed on the first image layer including the first content, display the at least one first content, and the second content the brightness of which has been adjusted, using the display. Other embodiments are also possible.

Electronic device for controlling display of content on basis of brightness information and operation method therefor

An electronic device according to various embodiments may comprise a display panel, a processor, and a display driver circuit including an internal memory and configured to drive the display panel, wherein the display driver circuit may be configured to: receive, from the processor, movement information of a designated content to be displayed on the display panel while the processor operates in a low power state; store the movement information in the internal memory; display the designated content at a first position on the display panel while the processor operates in the low power state; and move the designated content displayed at the first position to a second position on the display panel and display the same at the second position, at least on the basis of the movement information stored in the internal memory while the processor operates in the low power state.

Electronic device and method for moving content display position on basis of coordinate information stored in display driver circuit

A display device according to an embodiment of the present invention may comprise: a display panel; a module cover covering the display panel from behind the display panel; a glass cover comprising a cover portion positioned at the rear of the module cover and a decoration portion positioned below the cover portion and not overlapping the module cover in the forward and backward direction; an electronic mounting plate disposed on the rear surface of the cover portion; a back cover covering the electronic mounting plate from behind the electronic mounting plate; and a stand fixed to the back cover and positioned behind the glass cover.

Growing community of inventors

Suwon-si, South Korea

Dongkyoon Han