Samsung Electronics Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Seoul National University

Yong-Joo Lee

Dong-Suk Shin

Tae-Sung Kim

Jeong-il Kang

Myung-Sun Kim

Hoi-Sung Chung

Dong-Hyuk Kim

In-Soo Jung

Seung-Hyun Lee

Jin-hyung Lee

Sung-yong Joo

Won-myung Woo

Se-ra Lee

Jae-Min Jin

Sung-Bum Jung

Kyoung-Doug Min

Seung-Il Lee

Woo-Gun Suk

Byung-Yong Jange

Jeong-Il Kang

A method for controlling engine combustion may include receiving a signal of a crank position sensor, determining an angular velocity and an angular acceleration of a crank on the basis of the signal of the crank position sensor, determining a combustion characteristic index for each cylinder using the angular velocity and the angular acceleration of the crank, judging an unstable combustion cylinder using the combustion characteristic index for each cylinder, and changing a combustion factor for controlling the unstable combustion cylinder.

Method for controlling engine combustion for reducing irregular vibration caused by unstable engine combustion

A rear occupant alert method for a vehicle may include: before a door opening or closing event of the vehicle, sensing a master fob and a slave fob through low frequency (LF) antennas in the vehicle to obtain first position information of the master fob and the slave fob; after the door opening or closing event of the vehicle, sensing the master fob and the slave fob through the LF antennas to obtain second position information of the master fob and the slave fob; determining positions of the master fob and the slave fob, respectively, by comparing the first position information of the master fob and the slave fob with the second position information of the master fob and the slave fob; and performing a rear occupant alert function in accordance with the determined positions of the master fob and the slave fob.

Rear occupant alert method and vehicle fob device using the same

A display apparatus is provided. The display apparatus includes a display panel configured to display an image, an LED module configured to provide backlight to the display panel, an LED driving unit configured to apply a driving voltage to the LED module using an external power, an exterior unit configured to support the LED driving unit and the LED module and include a ground terminal provided separately from the external power, and an LED driving control unit which causes an operation of the LED driving unit to be stopped based on a current flowing in from the ground terminal.

LED driving apparatus, LED driving method and display apparatus using the same

A display apparatus and a control method thereof are disclosed. The display apparatus includes a signal processor which processes a video signal; a display which displays an image based on the video signal processed by the signal processor, a light source providing light for displaying the image; and a driving circuit which drives the light source on the basis of a dimming signal having an on-section and an off-section for dimming the light source. The driving circuit includes a protection circuit for performing a protection operation as a result of an abnormal electric current flowing in the light source during the off-section. The display apparatus is protected when a short circuit occurs between the light source and the driving circuit, thereby enhancing the stability and reliability of the apparatus.

Display apparatus with backlight driving circuit and control method thereof

Provided are methods of forming semiconductor devices. A method may include preparing a semiconductor substrate including a first region and a second region adjacent the first region. The method may also include forming sacrificial pattern covering the second region and exposing the first region. The method may further include forming a capping layer including a faceted sidewall on the first region using selective epitaxial growth (SEG). The faceted sidewall may be separate from the sacrificial pattern. The sacrificial pattern may be removed. Impurity ions may be implanted into the semiconductor substrate.

Methods of forming semiconductor devices having faceted semiconductor patterns

A method of evaluating an epitaxial growing process includes forming a mold layer on each of a plurality of substrates, forming a photoresist pattern on each mold layer, the photoresist pattern having opening portions, a total area of a bottom portion of the opening portions being different for each substrate, patterning each mold layer to expose a surface portion of the substrate to form an evaluation pattern on each substrate, evaluation patterns including opening portions corresponding to the opening portion in the photoresist pattern, determining substrate opening ratios for each substrate based on the opening portions in the evaluation pattern thereon, the substrate opening ratios being different for each substrate, performing a selective epitaxial process on each substrate to form an epitaxial layer, and evaluating characteristics of the epitaxial layer for each substrate to determine an optimal substrate opening ratio.

Methods of evaluating epitaxial growth and methods of forming an epitaxial layer

A display apparatus and a power supplying method are provided. The display apparatus includes a signal receiver which receives a video signal; a signal processor which processes the video signal; a display unit which displays an image based on a video signal processed by the signal processor; and a power supply which converts an alternating current (AC) voltage into a direct current (DC) voltage and supplies an operation voltage to the display unit, the power supply including: a power factor correction (PFC) unit which adjusts the DC voltage and corrects a power factor of the power supply; a detector which detects a plurality of voltages in the power supply and outputs a common detection signal indicating whether at least one of the plurality of voltages is abnormal; and a controller which receives the common detection signal, and controls the PFC unit based on the common detection signal.

Display apparatus and power supplying method thereof

The computer manufacturing system includes an assembly unit wherein various assembly parts are assembled into a main chassis according to a process order to complete the assembly of a computer body, an aging and test unit for testing and checking the performance of the computer body transferred from the assembly unit, and a package unit for packaging the computer body transferred from the aging and test unit. The assembly unit, the aging and test unit, and the package unit are sequentially aligned in accordance with process sequences. The assembly unit and the package unit are aligned to the opposite facing each other while the aging and test unit is located between the assembly unit and the package unit.

Computer manufacturing system

Growing community of inventors

Incheon, South Korea

Yong-Joo Lee