Hyundai Motor Company

Samsung Electronics Co., Ltd.

Kia Motors Corporation

Kia Corporation

Mastercard International Incorporated

Engis Technologies, Inc.

Hd Hyundai Energy Solutions Co., Ltd.

Min Su Lee

Woo Kyun Kim

Min Hee Cho

Ki Seok Lee

Kyoung Ae Lim

Ye Kyung Yoo

Sang Hoon Uhm

Min Tae Ryu

Yoo Lim Baek

Won Sok Lee

Chris O'Mahony

Tae Jun Kim

Yong Sun Park

Seong Jin Hong

Do Hyeon Kyeong

Hoon Oh

Hee Jin Maeng

Huikwon Lee

Hyun Shin Kang

Hui Kwon Lee

Ji Sun Ann

Sang Hun Hyun

A semiconductor memory device with improved performance by improving interface characteristics while reducing a leakage current, and a method for fabricating the same are provided. The semiconductor memory device includes a conductive line on a substrate, a first interlayer insulating layer exposing the conductive line and defining a channel trench on the substrate, a channel layer extending along a bottom and side surface of the channel trench, a first gate electrode and a second gate electrode spaced apart from each other in the channel trench, a first gate insulating layer between the channel layer and the first gate electrode, and a second gate insulating layer between the channel layer and the second gate electrode. The channel layer includes a first oxide semiconductor layer and a second oxide semiconductor layer sequentially stacked on the conductive line. The first oxide semiconductor layer has a greater crystallinity than the second oxide semiconductor layer.

Semiconductor memory device and method for fabricating the same

The present invention relates to a solar cell having an edge collecting electrode and a solar cell module comprising the same, the solar cell being capable of preventing a cell crack phenomenon caused by an interconnector and improving an adhesive characteristic of the interconnector by dividing a planar area of the solar cell into a main area and an edge area and positioning the outermost contact point of the interconnector at a boundary between the main area and the edge area, and being capable of improving carrier collecting efficiency by arranging, in the edge area, the edge collecting electrode and the branched electrode which are physically separated from the interconnector.

Solar cell having edge collection electrode and solar cell module comprising same

An apparatus of controlling damping force through road frequency classification may include high pass filters configured to perform high-pass filtering of detecting values of wheel vibration input from wheel vibration sensors according to different cutoff frequencies, a main frequency extraction module configured to determine a main frequency of the wheel vibration based on filtered values output from the high pass filters, a maximum amplitude and amplitude ratio extraction module configured to determine a maximum amplitude and an amplitude ratio of the wheel vibration based on the filtered values, a road gripping force control determination module configured to determine whether or not road gripping force is to be controlled based on the determined main frequency and the determined maximum amplitude and amplitude ratio, and a damper control module configured to determine the damping force of dampers of a vehicle based on results of determination and road roughness.

Apparatus and method for controlling damping force through road frequency classification

Disclosed herein are a damper control system and method according to rough road determination in which the number of sensors is reduced and a state of a road surface is subdivided and determined by a 6D sensor since an existing wheel G sensor is not used at the time of determining the state of the road surface.

Damper control system and method according to rough road determination

A damper control system for a vehicle may include a damper-relative-velocity estimation module measuring a vertical acceleration of a vehicle body through a sensor mounted on the vehicle and estimating a damper velocity of a suspension based on the measured vertical acceleration, and a control module reducing movement of the vehicle body by actuating a damper using the damper velocity of the suspension estimated through the damper-relative-velocity estimation module.

Damper control system for vehicle

An active suspension control unit may include an actuator having an active roll stabilization (ARS) structure to variably adjust response characteristics of a suspension, and a controller for determining a driving situation of a vehicle through information input from a sensor, and determining a final desired control value of the actuator based on a desired relative suspension vertical force value set in advance according to the driving situation and a difference value generated by a difference between left and right wheel's relative suspension vertical velocities.

Active suspension control unit and method

An item purchase system may include a user device configured to receive an item purchase request from a user and transmit the item purchase request, and the refrigerator configured to display the item purchase request in response to receiving the item purchase request and place an order for the item requested to be purchased according to an input by the user or another user.

Item purchase, item purchase method and refrigerator

Disclosed herein are a vehicle control system and controlling method thereof. The vehicle control system includes a plurality of sensors configured to measure a wheel speed, a steering angle, a yaw rate, and acceleration value, and a controller estimating the state of a vehicle based on the wheel speed, the steering angle, the yaw rate, and the acceleration value and updating a front and rear wheel stiffness of the vehicle when it is determined that the vehicle is running on an asymmetric friction surface from the estimated state of the vehicle.

Vehicle control system and controlling method thereof

A car navigation system is disclosed. The disclosed car navigation system performs a route search, map storage, and the like by using a mobile device and displays a performance result by transmitting the performance result to a display device equipped in a vehicle.

Detachable navigation system

The present disclosure provides a control method for front and rear wheel torque distribution of an electric 4 wheel drive (E-4WD) hybrid electric vehicle. The control method includes: determining one of a fuel efficiency optimization mode and a 4WD mode from vehicle state information and driver's driving manipulation input information; calculating a driver request total torque amount; when the 4WD mode is determined, calculating a rear wheel torque amount for the 4WD; calculating a front wheel torque amount for the 4WD; calculating a front wheel engine torque amount for the 4WD; and controlling a torque output of an engine for front wheel driving and a torque output of a driving motor for rear wheel driving according to the calculated front wheel engine torque amount for 4WD and the calculated rear wheel torque amount for 4WD.

Control method for front and rear wheel torque distribution of electric 4 wheel drive hybrid electric vehicle

A refrigerator includes storage chambers to store food items, and a touchscreen panel displaying a food management picture to manage the food items stored in the storage chambers, and when food addition instructions are input by the user, the touchscreen panel displays a food addition picture to add food items to be stored in the storage chamber. The refrigerator provides the food management picture through the touchscreen panel so as to easily detect storage positions, storage periods, and fresh storage periods of food items stored in the refrigerator, thus effectively managing the stored food items.

Refrigerator and control method thereof

Disclosed is a flexible printed circuit connector capable of increasing the number of connecting terminals, a flexible printed circuit capable of increasing the width of a pad terminal connected to each of the connecting terminals, a display device having the flexible printed circuit connector, and a method thereof. The display device includes a display panel displaying an image, a driving circuit driving the display panel, a printed circuit board on which a plurality of signal generators generating a driving signal supplied to the driving circuit is mounted, a connector mounted on the printed circuit board, and a flexible printed circuit inserted into the connector. The connector includes a connector housing providing a connecting port, and at least two connecting terminal groups formed separately on different surfaces within the connector housing.

Growing community of inventors

Seongnam-si, South Korea

Min Su Lee