Samsung Electronics Co., Ltd.

Samsung Electro-Mechanics Co., Ltd.

Samsung Sdi Co., Inc.

Lg Electronics Inc.

Mando Corporation

Hp Printing Korea Co., Ltd.

Young-Jae Kim

Hyeong Joon Seo

Do Yeon Kim

Hyun Ah Kim

Woo Seog Song

Bu Youn Lee

Jung Dae Lee

Joon-Ho Yoon

Byung Yul So

Yong Ho Seo

Hyeong Kyu Cho

Min Gu Jeon

Jae-Woo Joung

Jae-Yong Lee

Hye-Jung Cho

Chul Ju Lee

Sung-June Cho

Dong Yoon Lee

Jae Hyoung Sim

Jun Sik Hwang

Ho-Jin Kweon

Hyun Sook Kim

Young-Jin Kim

Min-Gi Cho

Chang Seon Lee

Do-Hoon Kim

Jun Woo Kim

Byung Ghun Kim

Keun Jeong Jang

Eun Sung Jo

Dong Woon Kang

Seung Beom Lim

Young Sun Shin

Young-jin Kim

Sang Woo Lee

Hee Jae Jeong

Young-Seuck Yoo

Na Yeong Byeon

Ju-Hyun Kang

Young-Soo Joung

Jin Ho Lim

Seung Cheon Yu

Yong-Gak Kim

Lei Hu

Joon-hee Kim

Kang Ho Choi

Jong-Rock Choi

Hyung-Woo Lee

In-Jung Baek

Moo Gyo Seo

Hyun-Joo Song

Hyo Kyu Lee

Won-Chul Sim

Sung-Il Oh

Jae-Seong Lim

Jin-ho Kim

Jin-Gyun Kim

Seung-Pil Chung

Kwon Jin Kim

Seung Won Oh

Jin-Hong An

Ji Hong Kim

Dong-kee Sohn

Nak Hyun Kim

Dong-Rak Kim

Je Myung Moon

Hong Yeon Cho

Sun-Hee Son

Ri-a Ju

Chang-Sung Park

Se Kwan Jeong

Yeong-Shin Park

Jun-Hong Park

Hye-lung Cho

Do-Haeng Kim

Jin-Seok Heo

Won-Ho Lee

An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Air conditioner and method of controlling the same

Disclosed is an air conditioner (AC) indoor unit including a housing installed on the ceiling and having an inlet and an outlet provided around the inlet and having a pair of straight sections facing each other and a pair of curved sections facing each other; a heat exchanger provided inside the housing and arranged in a main flow path between the inlet and the outlet; a blower fan configured to suck in air through the inlet, allow the air to exchange heat with the heat exchanger, and discharge the air through the outlet; and an auxiliary flow path guiding an auxiliary air current to change a direction of an air current discharged from the outlet. The direction of the discharged air current may be controlled by sucking in air around the outlet or blowing air to the periphery of the outlet through the auxiliary flow path without a blade.

Air conditioner indoor unit

An electric brake system and a method for controlling the same are disclosed. The electric brake system includes a hydraulic control device, a sensing unit, and a controller. The hydraulic control device generates hydraulic pressure using a piston operated by an electric signal generated in response to a displacement of a brake pedal. The sensing unit detects driver's braking intention. When an electronic stability control (ESC) of a vehicle operates, the controller calculates a change amount of stroke of the piston needed to output brake pressure corresponding to the driver's braking intention, and acquires the calculated stroke change amount so as to boost pressure of each wheel at a predetermined slope.

Electric brake system and method for controlling the same

A method of fabricating a wiring structure for a semiconductor device may include forming a lower wiring in a lower insulating layer, forming an etch stop layer covering the lower insulating layer and the lower wiring, forming an interlayer insulating layer on the etch stop layer, forming a preliminary via-hole through the interlayer insulating layer, partially etching the interlayer insulating layer to form a trench partially merged with the preliminary via-hole and a via-hole defined by a remaining portion of the preliminary via-hole, removing the etch stop layer exposed by the via-hole to expose the lower wiring, partially etching a contact area at which the trench and the via-hole are in contact with each other and forming an upper wiring in the via-hole and the trench to be electrically connected to the lower wiring.

Methods of forming wiring structures for semiconductor devices

A particle sensing device and an air conditioner including a sensor has a sensing path through which air passes, a flow path housing which accommodates the sensor and guides air, and a flow path switching device to all air suctioned from the outside is guided to the sensing path, or some of the air suctioned from the outside and moving flows back in an obliquely upward direction and flows into the sensing path.

Particle sensing device and air conditioner including the same

An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Air conditioner and method for controlling the same

A fuel cell system, and a method of controlling an operation of a plurality of fuel cells. The fuel cell system controls the operation of the plurality of fuel cells according to a power consumed in a load and the performance of the plurality of fuel cells, thereby increasing a power conversion efficiency of the plurality of fuel cells while preventing considerable performance degradation of the plurality of fuel cells. The fuel cell system includes: a plurality of fuel cells; a control unit controlling an operation of the plurality of fuel cells according to a power consumed in a load and the performance of the plurality of fuel cells; and a converter converting a power output by at least one of the plurality of fuel cells into a power according to the control of the control unit.

Fuel cell system and method of controlling operation of a plurality of fuel cells

A circuit connection control system of a fuel cell includes a point connection portion to which an anode current collecting portion and a cathode current collecting portion of each unit cell are electrically connected, a voltage measuring unit that measures an output voltage of each unit cell, a switching unit connecting the anode current collecting portions and the cathode current collecting portions of the plurality of unit cells at the point connection portion; and a DC-DC converter that converts a voltage generated from the fuel cell to a predetermined voltage. A method of operating the circuit connection control system includes measuring an output voltage of each unit cell; detecting a first unit cell showing an output voltage lower than a predetermined first voltage; and connecting the first unit cell in parallel to a second unit cell.

Circuit connection control system of fuel cell and method of operating the same

A fuel cell system and a method of operating the same, the fuel cell system comprising: a fuel cell including at least one unit cell; an switch having first and second ends connected to different type electrodes of the fuel cell; and a circuit unit to detect whether a load is applied to the fuel cell, to control the operation of the switch according to the detection, cycle the switch open and closed to short circuit the fuel cell, in order to prevent the fuel cell from overheating and to consume a residual fuel in the fuel cell. The fuel cell system may further include a converter, a secondary cell, a battery charger, and a switching unit between the load and the fuel cell.

Fuel cell system and method of operating the same

A method of manufacturing an inkjet head includes: forming an inlet and a pressure chamber in an upper substrate, the inlet penetrating the upper substrate and providing a passage for an inflow of ink, and the pressure chamber formed as a recess in one side of the upper substrate; forming a manifold and an ink channel in a middle substrate, the manifold configured to be connected with the inlet, and the ink channel penetrating the middle substrate and configured to be connected with the pressure chamber; forming a straight portion and a nozzle in a plate substrate, the straight portion configured to be connected with the ink channel, and the nozzle connected with the straight portion; forming a hydrophobic layer on one side of the plate substrate, the hydrophobic layer having a window formed therein, and the window opening the nozzle by a circumference greater than a circumference of an end of the nozzle; and stacking in order and attaching the upper substrate, the middle substrate, and the plate substrate.

Method of manufacturing nozzle plate and inkjet head

Growing community of inventors

Yongin-si, South Korea

Young-Jae Kim