Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Lg Electronics Inc.

Korea Institute of Science and Technology

Lg Display Co., Ltd.

Minsung Kim

Dougyong Sung

Jungmoon Kim

Myoung Soo Park

Yun-Kwang Jeon

Sanho Byun

Seung-Hoon Baek

Sungyeol Kim

Sung Woo Han

Hyunwoo Koo

Choonghoon Lee

Myong-Soo Oh

Heejong Shin

Juno Song

Jin Hwan Choi

Sang-Soo Lee

Young Jin Kim

Tae Woong Kim

Heesuk Kim

Jeong Gon Son

Jong Hyuk Park

Suho Lee

Jeonghoon Kang

Yunrae Jo

Heejin Lee

Hayk Kachatryan

Dongyun Yeo

Jinyeong Yun

Younggil Yoo

HoSun Yoo

Kyeonggon Lee

Dongjo Park

Jang-Yeob Lee

Kyungjik Min

Roots Huang

Yao Sheng Liang

Kwanwoo Hong

Minsu Kim

Youngmin Lee

Sung-jin Park

Dongwoo Shin

Taewoong Kim

Sunkwon Kim

Seungbo Shim

Sungbum Park

Taegyu Kim

Hayk Khachatryan

Dongwon Kang

Jeong Ho Cho

Sungyong Lim

Boik Park

Heetae Kim

Uijong Song

Hyunjoo Kim

Yilho Lee

Jinbaek Kim

Nokhaeng Lee

Jinbong Kim

Hojun Jaygarl

Jinwoong Kim

Jeongsoo Lee

Hooijoong Kim

Jeawon Lee

Seongyoung Ryu

Kwangbin Lee

Kiju Im

Soongyu Kwon

Donghee Suh

Geonung Lee

Byunghwee Park

Jaeyoung Seol

Gunyoung Hong

Mikyung Kang

Youngbin Kim

Thanhtien Nguyen

Hwangmook Cho

Jaeyoung Yang

Seunghoon Baek

Junesoo Kim

Hyosin Kim

Dongyub Kim

Jongbeom Moon

Yeonwoo Ku

Harim Kang

Hwanhee Lee

Kyungpil Kim

Bokyung Kang

Seungmi Baek

A driving device of a display panel includes a reference voltage generator, a capacitor circuit, and a gamma voltage generator. The reference voltage generator is configured to generate a maximum gamma voltage and a minimum gamma voltage. The capacitor circuit is configured to, response to receiving the first driving voltage, charge a first charge based on a voltage difference between a first driving voltage and the maximum gamma voltage and charge a second charge based on a voltage difference between the first driving voltage and the minimum gamma voltage. The capacitor circuit is configured to, in response to receiving a second driving voltage, output a first gamma reference voltage and a second gamma reference voltage. The gamma voltage generator is configured to generate a plurality of gamma voltages based on the first gamma reference voltage and the second gamma reference voltage.

Display panel driving device and display panel driving method

A display driving circuit includes a control logic, a source amplifier, and first and second switching elements. The source amplifier includes a first input terminal, a second input terminal, and an output terminal, and amplifies a pixel voltage for displaying an image on a display panel and provides the amplified pixel voltage to a pixel through a data line. The first switching element is connected between the first input terminal and the output terminal, and the second switching element is connected between the first input terminal and the sensing line. The control logic controls the first switching element and the second switching element such that the source amplifier compares a sample voltage that is input to the first input terminal through a sensing line with a comparison voltage input to the second input terminal and outputs comparison data based on the comparison.

Display driving circuit and display device including the same

A touch display device, including a display panel including: a plurality of source lines configured to provide a plurality of source signals to a plurality of pixels, and a common electrode coupled to the plurality of source lines; a plurality of touch electrodes coupled to the common electrode, and configured to provide a plurality of touch signals according to a plurality of touch driving signals received from the common electrode; and a touch driving circuit configured to generate a plurality of pieces of touch information based on a difference between the plurality of touch signals and each of the plurality of touch driving signals.

Touch display device

Disclosed herein is a range hood having improved sound characteristics by improving a structure thereof. The range hood includes a case including an inlet through which air is introduced, and a fan module arranged inside the case to suck air through the inlet. The fan module includes a fan configured to move air by rotating, a motor configured to supply a driving force to rotate the fan, a fan frame provided to accommodate the fan and the motor therein, the fan frame including a fan inlet and a fan outlet, and a sound generating member provided to generate a sound of a predetermined frequency band when in contact with the air discharged through the fan outlet.

Range hood

A semiconductor device is disclosed. The semiconductor device includes a transceiver including an amplifier region configured to output a data signal to a source line connected to a pixel during a first period and receive a detection signal from a touch electrode during a second period different from the first period, and configured to generate the data signal based on input data; and a driving controller configured to generate the data based on input image data, outputting the data to the transceiver, and generate a touch signal based on the detection signal.

Semiconductor device

Provided are a hybrid matcher capable of precisely performing impedance matching at a high speed when RF power is applied with a multi-level pulse in a facility using RF plasma, and an RF matching system including the hybrid matcher. The hybrid matcher includes a matching circuit in which a plurality of variable element-switch sets are connected to each other in parallel, the variable element-switch sets each including a variable impedance element and a switch connected to the variable impedance element in series and electrically operating therewith, a sensor disposed at a front stage of the matching circuit and configured to measure a current and a voltage of radio frequency (RF) power applied from an RF generator, a variable element driver configured to drive the variable impedance element, a switch driver configured to drive the switch, and a controller configured to control the variable element driver and the switch driver.

Hybrid matcher and radio frequency matching system including the hybrid matcher

A display device includes a pixel array including a plurality of pixels connected to a plurality of source lines, a voltage generator configured to generate a reference voltage, and a source driver configured to output a first source signal corresponding to a first source line among the plurality of source lines, receive a first return signal corresponding to the first source signal through a second source line positioned adjacent to the first source line, and generate a first count value based on a first comparison result of the first return signal and the reference voltage.

Display device and driving method thereof

An electronic device includes a processor including a central processing unit (CPU) and a plurality of intellectual property (IP) blocks and a memory operationally connected with the processor. The memory stores one or more instructions, when executed, causing the processor to obtain a first voltage level of the electronic device, decrease a clock frequency of a first clock, which is a clock signal supplied to the CPU, when the obtained first voltage level is less than or equal to a specified first threshold voltage, and decrease at least one maximum clock frequency selected from a plurality of maximum clock frequencies, which is set in the CPU and the plurality of IP blocks, when the obtained first voltage level is less than or equal to the first threshold voltage after a first time elapses.

Electronic device and control method thereof

A method of manufacturing a motor assembly comprising a motor and an impeller coupled to a rotation shaft of the motor, the method includes disposing a plurality of balls in a ring-shaped groove formed in a surface of the impeller; rotating the impeller at a speed greater than a resonant rotation speed to move the balls to a compensation position for compensating for an eccentricity in the motor assembly; and fixing the balls at the compensation position in the groove.

Motor assembly and method of manufacturing the same

A display device may include a display panel including an active area displaying an image and a peripheral area surrounding the active area, pad parts disposed on a side surface of the display panel, a light blocking layer disposed on a portion of the peripheral area adjacent to the side surface of the display panel, and circuit units electrically connected to the pad parts.

Display device and method of manufacturing the same

A display device includes: a flexible substrate; a plurality of conductive lines on the flexible substrate; a thin film transistor connected to the plurality of conductive lines; and an organic light emitting element connected to the thin film transistor. As a curvature of an area of the flexible substrate increases, a width or a thickness of each of the conductive lines increases.

Flexible display device having reduced strain during bending or rolling

A plasma processing apparatus includes a chamber providing a space for processing a substrate, a substrate stage configured to support the substrate within the chamber and including a lower electrode, an upper electrode facing the lower electrode, a focus ring in or on an upper peripheral region of the substrate stage to surround the substrate, and a plasma adjustment assembly in at least one of a first position between the upper electrode and the lower electrode and a second position between the focus ring and the lower electrode, the plasma adjustment assembly including a photoreactive material layer and a plurality of light sources configured to irradiate light onto a local region of the photoreactive material layer. A capacitance of the local region is changed as the light is irradiated to the local region.

Plasma processing apparatus and plasma processing method

A touch controller, a touch screen device, and an operating method of the touch controller are provided. A touch controller, performing a touch sensing operation of sensing a touch of a touch panel in a touch sensing period, includes a first clock generator configured to generate a low frequency clock signal for calculating the touch sensing period, a second clock generator configured to generate a high frequency clock signal for performing the touch sensing operation, and a first calibration circuit configured to calibrate a frequency of the low frequency clock signal by using the high frequency clock signal.

Touch controller and operating method of the same

A film package includes a base substrate having a bottom surface that includes a first portion and a second portion that are spaced apart from each other. First pad wires are disposed on the first portion of the bottom surface of the base substrate. Second pad wires are disposed on the second portion of the bottom surface of the base substrate. A light blocking member is disposed between the first pad wires and the second pad wires.

Film package and display device including film package

Growing community of inventors

Suwon-si, South Korea

Minsung Kim