Samsung Electronics Co., Ltd.

Jinyong Park

Hyunwook Lim

Taewoo Kim

Bongkyu Min

Hyeongju Lee

Hyelim Yun

Hongki Kwon

Hojun Chung

TaeWoo Kim

Woohyuk Jang

Jungje Bang

Dohoon Kim

Jichul Kim

Jaeyoul Lee

Yonghoon Yu

Byeongcheol Jang

Jungsik Park

Youngjin Kim

Sanghoon Park

Hyunyong Choi

Sungyong Park

Junsik Choi

Hyeonsu Park

Kyoungmin Kim

Jina Kwon

Dongwook Han

Yongwoo Shin

Eunjoo Cho

Jungyon Cho

Daesik Yoon

Jungrae Kim

Jaehun Kim

Siyoung Park

Hayeon Kil

Chihyun Cho

Dongku Kang

Kyungho Ryu

Yongil Kwon

Baekeun Cho

Yong-Yun Park

Bohyeon Kim

Jung-Pil Lim

Younoh Chi

Yongjae Song

Jinsung Kang

Gyeongmin Jin

Ohjae Kwon

Hyuncheol Jin

Kicheol Bae

Hwaseok Seong

Yeonkyung Chung

Taewon Sun

Alankyongho Kim

Bongchoon Park

Dui Kang

Pilseung Heo

Jiseon Han

Provided is a communication system including a first electronic device and a second electronic device connected with each other through first and second channels. The second electronic device includes a reception driver generating a first internal signal based on a first data signal provided by the first electronic device through the first channel, an error detector generating an error detection signal by determining whether an error is included in the first internal signal, and an error adjuster outputting a first feedback signal through the second channel based on the error detection signal, and the first electronic device outputs a second data signal having a voltage swing width determined based on the first feedback signal through the first channel.

Electronic device and communication system including the same

A display driver circuit receives externally-encoded image data and processes the data using a memory (graphic RAM), an internal encoder, and an external decoder configured to operate on the externally-encoded image data. The processed data is provided to a display device by a source driver of the display driver circuit. Data is processed through the graphic RAM and an internal decoder or the external decoder depending on whether a slice of the data is a currently received update slice, a recently received standby slice, or a still slice.

Display driving circuit and operating method for performing encoding and decoding

According to an embodiment, an electronic device may include a first printed circuit board (PCB), a second PCB having a shape corresponding to the first PCB, and an interposer surrounding a space between the first PCB and the second PCB and including multiple pads, wherein the interposer may include a first surface in contact with the first PCB, a second surface in contact with the second PCB, a first lateral surface facing the space, and a second lateral surface opposite to the first lateral surface, and a first point exposed through the second lateral surface, a second point exposed through one of the first lateral surface or the second lateral surface, and a heat conduction pattern disposed on the first surface in an area between the multiple pads to connect the first point and the second point.

Interposer structure and an electronic device including the same

An example electronic device includes a printed circuit board on which one or more circuit components are disposed, and an interposer surrounding at least some circuit components of the one or more circuit components and including an inner surface adjacent to the at least some circuit components and an outer surface facing away from the inner surface and having a plurality of through holes. The interposer is disposed on the printed circuit board such that one or more through holes of the plurality of through holes are electrically connected with a ground of the printed circuit board. The outer surface of the interposer includes a first conductive region electrically connected with at least one first through hole of the one or more through holes, and a non-conductive region, the inner surface of the interposer includes a second conductive region electrically connected with at least one second through hole of the one or more through holes, and the second conductive region includes a region facing the non-conductive region.

Electronic device comprising interposer surrounding circuit elements disposed on printed circuit board

A display apparatus may include a display panel including a plurality of light emitting diode (LED) pixels; a panel driver configured to provide a driving signal to the display panel to drive the display panel; a memory storing heating characteristic information of each of a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel included in each of the plurality of LED pixels; and a processor configured to: obtain an average brightness value corresponding to an input image based on a gray level value of the input image, obtain heating estimation data of the input image based on the gray level value of the input image and the heating characteristic information stored in the memory, modify the obtained average brightness value based on the heating estimation data, and control the panel driver based on the modified average brightness value.

Display apparatus and controlling method thereof for modifying obtained average brightness value based on heating estimation data

A display driver integrated circuit includes a frame buffer, a plurality of image processing circuits and an image processing controller. The frame buffer sequentially stores a plurality of frame data received from a host processor. Each of the plurality of frame data includes a plurality of data slices. The image processing circuits perform image signal processing operations, respectively, on ones of the data slices that are included in a respective one of the plurality of frame data and which are sequentially retrieved from the frame buffer. The image processing controller bypasses at least one of the image processing circuits by applying a bypass control signal to the image processing circuits based on a first plurality of data slices included in a first one of the plurality of frame data and a second plurality of data slices included in a second one of the plurality of frame data.

Display driver integrated circuit and method of operating the same

The disclosure relates to an electronic device including an interposer. The interposer includes a substrate and a plurality of connecting structures disposed on the substrate and electrically connecting a first circuit board and a second circuit board disposed in the electronic device. The plurality of connecting structures includes a plurality of via holes formed in the substrate, a plurality of conductive members disposed in the plurality of via holes, an insulating member disposed between the plurality of conductive members, and a plurality of pads disposed on the outer periphery of the plurality of conductive members. The plurality of conductive members may be separately disposed on the substrate to electrically connect with the first and second circuit boards.

Interposer and electronic device including the same

Provided are a low-power display driving circuit performing internal encoding and decoding and an operating method thereof. The display driving circuit includes a memory configured to store an input bit stream encoded by an encoder and a controller configured to determine a data path through which output frame data in a second frame period passes according to whether internal encoding is successful in a first frame period, wherein, when the internal encoding is successful, the controller performs internal encoding in the second frame period, stores a generated internal bit stream in the memory, allows the internal bit stream to pass through a low-power path to generate the output frame data, and when the internal encoding fails, the controller generates the output frame data by allowing the input bit stream to pass through a normal path in the second frame period, changes an encoding setting of an internal encoder, and repeats the internal encoding.

Low-power display driving circuit performing internal encoding and decoding and operating method thereof

A luminance compensator includes a memory device and a luminance compensation circuit. The memory device stores a plurality of luminance compensation data and provides first luminance compensation data and second luminance compensation data among the plurality of luminance compensation data in response to a frame rate dimming-on signal. The first luminance compensation data corresponds to a first frame rate. The second luminance compensation data corresponds to a second frame rate. The plurality of luminance compensation data is for compensating luminance of at least one region that operates with a plurality of frame rates. The frame rate dimming-on signal represents time intervals in which frame rates of the at least one region are gradually changed. The luminance compensation circuit generates third luminance compensation data in response to the frame rate dimming-on signal, the first luminance compensation data, and the second luminance compensation data.

Luminance compensator and display system including the same

An electronic device according to various embodiments may include: a display, a first circuit board disposed under the display, a first component and a second component disposed on one surface of the first circuit board, the first and second components each having different heights, a first interposer surrounding at least one side surface of the first component and disposed in a first region of the first circuit board, the first interposer part having a first height, a second interposer part surrounding at least one side surface of the second component and disposed in a second region of the first circuit board, the second interposer part having a second height different from the first height, a first second circuit board, at least a portion of which is spaced apart from the first region of the first circuit board, the first second circuit board including a first first portion bonded to the first interposer part, and a second second circuit board, at least a portion of which is spaced apart from the second region of the first circuit board, the second second circuit board including a first second portion bonded to the second interposer and spaced apart from the first second circuit board by a specified gap.

Printed circuit module and electronic device including the same

A display driver circuit includes a receiver that receives a still image or a moving image, a frame buffer that stores the still image received by the receiver in a still image mode, an image processor that performs an image enhancement operation on the moving image transferred from the receiver or the still image transferred from the frame buffer, and a motion processor that performs a motion compensation operation using a current frame output from the image processor and a previous frame stored in the frame buffer in a moving image mode. The previous frame is data which, in the moving image mode, are processed by the image processor before the current frame and are then stored in the frame buffer. The previous frame is output from the frame buffer to the motion processor in synchronization with the current frame.

Display driver, circuit sharing frame buffer, mobile device, and operating method thereof

According to an embodiment of the disclosure, an electronic device comprises a first printed circuit board including a first electrical terminal exposed on one face of a first area, a second electrical terminal exposed on the one face of a second area and insulated from the first electrical terminal, and a first ground terminal exposed on the one face of a third area formed between the first area and the second area, the third area having a width narrower than a width of the first area or the width of the second area; and a second printed circuit board including a third electrical terminal exposed on one face of a fourth area, a fourth electrical terminal exposed on the one face of a fifth area and electrically connected to the third electrical terminal, and a second ground terminal exposed on the one face of a sixth area located between the fourth area and the fifth area, wherein the second printed circuit board is disposed on the first printed circuit board to overlap the third area, the first electrical terminal and the third electrical terminal are electrically coupled to each other, the second electrical terminal and the fourth electrical terminal are electrically coupled to each other, and the first ground terminal and the second ground terminal are electrically coupled to each other.

Overlapping printed circuit boards and electronic device including same

An electronic device is provided. The electronic device includes a rollable display. The electronic device may include a main bracket configured to support the first portion of the rollable display, a roller member disposed in the first direction from the main bracket and arranged in a third direction perpendicular to the first direction, at least one folding support member disposed between the main bracket and the roller member and configured to support the second portion of the rollable display, a circuit board disposed to overlap at least a portion of the main bracket, at least one electronic component disposed adjacent to the roller member, and a FPCB configured to electrically connecting the main circuit board and the electronic component, wherein the FPCB is disposed to pass through the folding support member and extends from a portion of the circuit board to a portion of the electronic component.

Electronic device including rollable display

Growing community of inventors

Suwon-si, South Korea

Jinyong Park