Samsung Electronics Co., Ltd.

Hyundai Motor Company

Seoul National University

Kia Motors Corporation

Kia Corporation

Coway Co., Ltd

Hyung-Tae Kim

Ji-Woon Jung

Soo-han Park

Doo-yeon Lee

Jun-young Mun

Seong-Jun Song

Do-hoan Nam

Soo-Ik Cha

Alexandr Petrovich Sineokov

Oh-min Kwon

Zyakia Saibasakhovna Khamidulova

Natalya Alexandrovna Ustyuzhantseva

Vladimir Borisovich Mozzhukhin

Young-se Choi

Dovid Azrielevich Aronovich

Valentin Vasilievich Guzeev

Seung-sik Hwang

Jong-Min Kim

Jong-Kon Bae

Won-sik Kang

Jae-hyuck Woo

Duk-Jin Oh

Chan-Jung Park

Kyung-Hwan Lee

In-Suk Kim

Yang-Hyo Kim

Hyun-Jin Hong

Yuwen Chiou

Young-Gyu Kim

Young-gyu Kim

Young-Kwang Choi

Jee-Hwan Choi

Vic Lee

Julius Pan

Jeong-ah Ahn

Tae-eun Yim

Chon-wook Park

An embodiment upper structure of a rear pillar of a vehicle includes a roof side member disposed on a side surface of a roof in a length direction of the vehicle, a roof center member disposed at a rear end of the roof in a width direction of the vehicle and connected to a side surface of a rear end of the roof side member, and a seat belt mounting member connected to an end portion of the roof side member.

Upper structure of rear pillar of vehicle with reinforced stiffness

A rigidity reinforcement structure of the rear underbody of a vehicle may include: a transverse member disposed in the width direction of the vehicle at a site adjacent to the rear end of the vehicle; a rearside member disposed in the longitudinal direction of the vehicle and having a rear end located below the transverse member; and a transverse reinforcement member formed in the vertical direction of the vehicle and having an upper portion bonded to the transverse member and a lower portion bonded to the rearside member.

Rigidity reinforcement structure of a rear underbody of a vehicle

An air purifying unit in which leakage of air flowing between a filter and a blowing fan is significantly reduced, and an air cleaning/ventilation device including the same, are provided. In addition, there are an air cleaning/ventilation device detachably installed in a window, used as a ventilation device, and used as an indoor air cleaning device.

Air purifying unit and air cleaning/ventilation device comprising same

An organic electrolyte solution including a metal-ligand coordination compound, wherein the ligand is an organic phosphate compound.

Organic electrolyte solution and redox flow battery including the same

A display device capable of decreasing an amplifier offset using a gate-start pulse signal is disclosed. A display device includes a display panel, a control circuit, a gate driving circuit and a source driving circuit. The source driving circuit includes a plurality of source driving chips, compensates for an amplifier offset in response to the gate-start pulse signal, performs digital-to-analog (D/A) conversion on data received from the control circuit using gray scale voltages in response to the source control signal, and provides the converted data to the source lines.

Source driving circuit capable of compensating for amplifier offset, and display device including the same

Provided are an output buffer circuit having an amplifier offset compensation function and a source driving circuit including the output buffer circuit. The output buffer circuit may include a plurality of channel amplifiers, each of which is configured to adjust an amount of current flowing through transistors connected to at least one of a non-inverted input terminal and an inverted input terminal of a differential input unit to compensate an amplifier offset, and adjust buffer input voltage signals to generate output voltage signals.

Buffer circuit having amplifier offset compensation and source driving circuit including the same

A voltage level conversion circuit includes a voltage switch circuit and a level shift circuit. The voltage switch circuit is configured to sequentially output an intermediate voltage and a conversion voltage in response to a switch signal. The level shift circuit is configured to latch a voltage level corresponding to an input signal using the intermediate voltage, and to convert the latched voltage level using the conversion voltage to generate an output signal.

Voltage level conversion circuits and display devices including the same

A display driving device a driving unit, an output unit, and an output control unit. The driving unit includes a first buffer and a second buffer generating a first driving voltage and a second driving voltage, respectively. The output unit includes a first output pad and a second output pad to which voltages are respectively applied via first second data driving paths, respectively, and which output the voltages to outside. The output control unit includes a charge share path that connects the first output pad and the second output pad. Each of the first data driving path and the second data driving path includes a first electro-static discharge (ESD) protection element, and the charge share path includes a second ESD protection element that is disposed separately from the first data driving path and the second data driving path.

Display driving device and display system with improved protection against electrostatic discharge

An amplifier for an output buffer includes an operational amplifier including a first input terminal, a second input terminal, and an output terminal, the operational amplifier is configured to generate an input bias current and amplify a voltage difference between signals applied to the first input terminal and the second input terminal, and to output the amplified voltage difference; and a self-bias circuit connected to the first input terminal and the second input terminal, the self-bias circuit is configured to generate first and second current paths when the voltage difference is equal to or greater than a predetermined voltage, to generate a tail current on the first or second current path, and to add the generated tail current to the input bias current of the operational amplifier, wherein the second input terminal is connected to the output terminal.

Amplifier for output buffer and signal processing apparatus using the same

An electrolyte for a redox flow battery and a redox flow battery including the electrolyte, the electrolyte including a metal-ligand coordination compound as a cation and an anion containing at least four atoms linked to each other by a straight chain in a certain direction.

Electrolyte for redox flow battery and redox flow battery including the same

A method of generating a driving voltage includes inputting a test gradation voltage to a first input terminal and a second input terminal of a buffer, latching the logic level of a test driving voltage output from an output terminal of the buffer, setting the buffer to a first type when the logic level of the test driving voltage is high level and setting the buffer to a second type when the logic level of the test driving voltage is low level, and operating the buffer set to the first type or the second type to generate a driving voltage corresponding to a gradation voltage.

Buffer amplifier included in display driver and method of generating driving voltages using the same

An apparatus and method for controlling Transmit (Tx) power when a portable terminal performs human body communication with a counterpart portable device are provided. The apparatus includes a voltage manager for determining whether the Tx power needs to be changed based on an output voltage that is based on a current that varies according to a distance between an electrode of a portable terminal and an electrode of a counterpart portable terminal, and changes the Tx power according to a result of the determination.

Apparatus and method for controlling transmit power in human body communication system

In one embodiment, the DAC includes an analog gray voltage generation unit configured to generate a plurality of analog gray voltages, and a first decoder configured to select two different voltages of the plurality of the gray voltages as a first level voltage and a second level voltage, respectively, in response to an upper K-bits of N-bit input image data. Here, N may be an integer not less than two, and K may be an integer less than N. A second decoder may be configured to repeatedly distribute the first level voltage and the second level voltage to output a plurality of distributed voltages in response to a lower L-bits of the N-bit input image data. Here, L may be equal to N subtracted by K, and L may be less than K. An interpolated voltage generation unit may be configured to generate an interpolated voltage based on the plurality of distributed voltages.

Digital-to-analog converter and method of digital-to-analog conversion

A source driver for an LCD device. The source driver comprises a controller generating a pair of signals complimentary to each other, each of the signals toggling at a predetermined frame period, and an output buffer generating a data-line drive signal that is offset by positive and negative offset values in response to the pair of signals.

Source driver and driving method thereof

Growing community of inventors

Seoul, South Korea

Hyung-Tae Kim