Samsung Electronics Co., Ltd.

Hyung Goo Lee

Hangil Moon

Joonrae Cho

Kyoungho Bang

Junghyeon Kim

Jaeseong Lee

Young Mook Oh

Seung Mo Ha

Jinyong Kim

Igor Ivanov

Sungwook Kang

Byeongmin Lee

Hae Geon Jung

Bok Young Lee

An electronic device according to various embodiments disclosed herein may include: a housing, a speaker embedded in the housing, an acoustic duct configured to transfer an output from the speaker to a user, an external hole formed in the housing to be connected to outside the electronic device, an external sound duct configured to transfer a sound introduced through the external hole to the user, and a variable hole member comprising a variable opening disposed in at least one of the external hole and the external sound duct, wherein the variable hole member may include a conductive member comprising a conductive material configured to apply an electric signal, a ventilation hole configured to allow a sound transferred from the external hole to pass therethrough, and a deformable member comprising a deformable material configured to deform based on the electric signal to close at least a portion of the ventilation hole.

Electronic device including opening and closing structure

A semiconductor device is provided. The semiconductor device includes a substrate, a first base fin protruding from the substrate and extending in a first direction, and a first fin type pattern protruding from the first base fin and extending in the first direction. The first base fin includes a first sidewall and a second sidewall, the first and second sidewalls extending in the first direction, the first sidewall opposite to the second sidewall, the first sidewall of the first base fin at least partially defines a first deep trench, the second sidewall of the first base fin at least partially defines a second deep trench, and a depth of the first deep trench is greater than a depth of the second deep trench.

Semiconductor device

Growing community of inventors

Seoul, South Korea

Hyung Goo Lee