Lg Electronics Inc.

Samsung Display Co., Ltd.

Wonsik Oh

Dong-Won Park

Kuk-Hwan Ahn

Seokha Hong

Sanghyun Bae

Boram Lee

Hyuk Jae Lee

Sangsub Jeong

Jai-Hyun Koh

Geunjeong Park

Sunghyun Ki

Ik Soo Lee

Seokyun Son

Myungho Lee

Geun Jeong Park

Sang-Uk Lim

Myoungseop Song

Donghwa Shin

Jongkwon Kim

A linear compressor is provided. The linear compressor may include a cylinder that defines a compression space, a piston having a plurality of suction holes through which a refrigerant is introduced into the compression space, and a muffler connected to the piston and through which the refrigerant supplied to the piston flows. The muffler may include a seat seated on one side of the piston, and a protrusion arranged inside the piston. The protrusion may include plurality of flow pipes that extends from the seat to an inside of the piston to guide the refrigerant to the plurality of suction holes and a resonator arranged at one side of the plurality of flow pipes and having a resonance space therein.

Linear compressor

A linear compressor is provided that may include a cylinder, to which a discharge valve may be coupled; a first piston, which may be provided to enable a reciprocating motion in an inside of the cylinder; a second piston, which may be provided to enable a reciprocating motion in an inside of the first piston; a first compression chamber formed between the discharge valve and the first piston; and a second compression chamber formed between the first piston and the second piston. The first piston and second piston may move in opposite directions with respect to each other.

A light emitting display device including: a display panel; a plurality of pixels included in the display panel, each of the plurality of pixels including a driving switching element connected to a first power line and a light emitting element connected to a second power line; a maximum voltage detection unit for detecting a voltage from each of the light emitting elements of each of the pixels and outputting a maximum voltage that has a highest voltage level among the detected voltages; and a power supply unit for correcting a first driving voltage based on the maximum voltage and applying the corrected first driving voltage to the first power line.

Light emitting display device

A compressor control device, a method for controlling a compressor, and a refrigerator including the same are provided. The compressor control device controls the compressor to be driven using a mode in which the compressor is selectively driven by an inverter and a mode in which the compressor is driven directly using a supply voltage, according to a quality of the supply voltage, a loss which is caused by use of the inverter reduced or removed by directly providing the supply voltage to the compressor within a predetermined voltage or frequency range, and an increased energy efficiency by reducing power consumption.

Device and method for controlling compressor, and refrigerator including same

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Seoul, South Korea

Wonsik Oh