Samsung Electronics Co., Ltd.

Sungkyunkwan University

Jonggyu Park

Dongjin Lee

Kwangho Kim

Jong-Min Kim

Young Ik Eom

Young-Goo Ko

Hyunmo Yang

Gisoo Lim

Min-ho Kim

Sungkwang Yang

Hyuck-Sun Kwon

Taek-Sung Kim

Janghwan Kim

Hwan-Jin Yong

Donghyun Song

Byungse So

Kyoungsub Oh

Byungjin Ahn

Kwanjong Park

Jongsoo Seo

Taehwa Yoo

A wearable electronic device is provided. The wearable electronic device includes a housing, and at least one display module disposed on the housing, wherein the display module includes a fixed barrel including a body part and a segment part protruding along an outer periphery of the body part, a rotary barrel disposed on an outer surface of the body part and rotatably combined with the body part, a first lens module fixed to the body part of the fixed barrel, a display combined with the fixed barrel to cover the first lens module, a second lens module inserted into the body part of the fixed barrel to face the first lens module, engaged with the rotary barrel, and configured to move in a first axis direction against the first lens module as the rotary barrel is rotated against the fixed barrel, a light-emitting member, and an eye tracking camera module.

Wearable electronic device including display module

A file fragmentation removal method includes collecting input/output system call information of a plurality of file input/output system calls by an application of at least one target file used by an application operating on an arbitrary filesystem, generating a file range list of items comprising information on a start point, an end point, and an access count of input/output based on the input/output system call information, selecting a plurality of fragmentation target items based on the file range list and a predetermined threshold, and selectively removing fragmentation based on whether individual items of the plurality of fragmentation target items are fragmented.

File fragmentation removal method and device

A user device is provided. The device includes a main power supply, and an auxiliary power supply. The main power supply provides a main power. The auxiliary power supply cuts off the main power according to a power level of the main power supply and provides an auxiliary power upon Sudden Power-Off (SPO).

Auxiliary power supply and user device including the same

A data storage device includes a plurality of memory devices and a memory controller. The memory controller exchanges data with the plurality of memory devices via a plurality of channels and adjusts drive strength of the plurality of channels by referring to at least one of the number of the plurality of memory devices and current temperature.

Data storage device to control signal strength of memory channel and setting method thereof

Growing community of inventors

Suwon-si, South Korea

Jonggyu Park