Hyundai Motor Company

Samsung Electronics Co., Ltd.

Kia Motors Corporation

Microinspection, Inc.

Samsung Electro-mechanics Co., Ltd.

Kia Corporation

Eo Technics Co., Ltd

Kitten Planet Co., Ltd.

Electronics and Telecommunications Research Institute

Autoliv Development Ab

Intellectual Discovery Co., Ltd.

Hyundai Wia Corporation

Mplus Co., Ltd.

Dong Jun Lee

Jee Heon Kim

Ho Joong Lee

Hye Seung Kim

Won Kyoung Choi

Han Shin Youn

Hyun Wook Seong

Hyung Jai Lee

Young Jin Jang

Won Yong Sung

Tak Eun

Na Lae Kwon

Vinod Sharma

Jun Yeon Park

Joo Won Lee

Joon Young Jeon

Min Woo Kang

Sung Jin Park

Seong Jin Kim

Mu Shin Kwak

Seung Jun Jeong

Young-Hoon Kim

Haesung Kwon

Gi Bong Son

Won Gil Choi

Chi Seong Kim

Dong Ju Jeon

Seong Min Cho

Koang Hun Ryu

Sei Young Kang

Jong Ho Choi

Jee Yun Lee

Jae Jeong Lee

Tai Kuin Mun

Jung Youn Pang

Hee Dok Choi

Ji Young Kim

Jae Won Lee

Do Hun Kim

Ho Jin Lee

Dong Jun Shin

Tae Hoon Lee

Sung Hwan Kim

Hui Sung Jang

Jeong Min Cho

Sang Yoon Park

Gyu Yeong Choe

Jae Woo Lee

Chi Hoon Choi

Shin Hye Chun

Kie Youn Jeong

Seok Jun Park

Gun Soo Kang

Sang Hoon Chu

Sung Su Yoo

Il Yong Jung

Young Kook Lee

Dae Ig Chang

Eung Seo Kim

Bong Hyun Park

Nam Soo Kim

Chan Sic Yoon

Chang Ryeol Yoo

Jae Haeng Yoo

Dae Young Kwak

Dong-Pil Seo

Hong Mo Koo

Jae Hyeong Kim

Hun Kong

Boo Youn An

Chang Bae Yeom

Chang Hyun Cho

Nam Sock Kim

Sang Hoon Kwak

Jee Hye Jeong

Young Chul Jo

Dong Ryul Lee

Ho Ouk Lee

Young Mo Kang

Ji Min Choi

Hak Yong Lee

Jianjun Li

Zhengzi Li

Sang Jae Yoon

Jong In Park

Ok Hwan Jang

Byung Oh Kim

Sung Joon Hong

Joong Chan Shin

Jung Rae Park

Jun Ho Sung

Nam Kyung Lee

Dong Won Hyun

Dae Woong Song

Young Hoon Kwon

Jung Nam Yun

Beom Jin Kim

Ho Hack Kim

Seung Man Kim

Woo Chul Cho

An apparatus for controlling a wireless charger for a vehicle includes a communication device to receive an input from a user and information on the vehicle, and a controller to employ one of a first driving duty ratio of a cooling fan set based on the information on the vehicle, a second driving duty ratio of the cooling fan set based on the input from the user, or a third driving duty ratio of the cooling fan set through auto-tuning operation to operate the cooling fan, to enhance charging performance of the wireless charger while minimizing the feeling of the user bothered due to operating noise of a cooling fan.

Apparatus and method for controlling wireless charger for vehicle

A vehicle battery charging system includes a main battery, an auxiliary battery, an integrated converter that includes a high voltage charging device that supplies power to the main battery and a low voltage charging device that supplies power to the auxiliary battery, a solar cell that converts sunlight into electrical energy, a solar cell converter that converts an output of the solar cell into a voltage corresponding to a voltage of the auxiliary battery and outputs the converted voltage to the auxiliary battery, and a switching device that switches between the integrated converter and external power and the integrated converter and the solar cell, wherein the switching device connects the integrated converter and the solar cell in a solar cell only charging mode in which the auxiliary battery is charged by the solar cell.

Vehicle battery charging system and charging method using the same

An air foil journal bearing can entirely restrain movement of a buffer member, which is provided inside a bearing housing in a direction of a shaft of the bearing. The air foil journal bearing includes: the bearing housing having a hollow part into which the shaft is inserted, wherein a first stopping groove is formed at an inner circumferential surface of the hollow part and a second stopping groove is formed at the inner circumferential surface of the hollow part along at least a part of an entire circumference of the hollow part; a top foil provided in the hollow part and configured to have a shape covering the shaft; and the buffer member provided between the hollow part and the top foil and elastically supporting the top foil.

Air foil journal bearing

The present disclosure provides an apparatus for illumination inspection of micro LEDs. An apparatus for illumination inspection of micro LEDs includes a surface-contact probe making a surface contact, through an electrical resistive material, with a front surface of an LED assembly of multiple micro LEDs arranged forwardly and interconnecting LED electrodes at both ends of the micro LEDs, probe electrodes to be in line contact with one side and the other side of the surface-contact probe for supplying electric power, an imaging unit for photographing the LED assembly from an opposite surface of the surface-contact probe, to where the surface-contact probe is contacted, and a control unit for supplying electric power to the probe electrodes forwardly along the micro LEDs as aligned and for inspecting the micro LEDs illumination based on images of the LED assembly photographed by the imaging unit before and after supplying the electric power.

Apparatus for inspecting illumination of lighting micro led

A method of providing tooth-brushing guide information according to an embodiment of the present invention includes an operation in which a user terminal analyzes a captured image of a user, recognizes the face of the user, and identifies landmarks of the face; an operation in which the user terminal generates a personalized dental model of the user using the landmarks, an operation in which the user terminal provides a virtual dental image by augmented reality using the dental model; and an operation in which the user terminal provides tooth-brushing guide information using the dental model.

Method and apparatus for providing tooth-brushing guide information using augmented reality

A vehicle charger includes a power factor correction converter configured to correct the power factor of alternating current (AC) power is integrated with an input terminal of a DC-DC converter configured to generate a direct-current (DC) voltage having a magnitude required for an energy storage device in the vehicle, thereby reducing the size of the vehicle charger, reducing the number of required elements, and allowing the vehicle charger to have high efficiency; and a method for controlling the same.

Vehicle charger and method for controlling the same

Provided is a method for automatically performing image alignment without a user input. An image alignment method performed by an image alignment device, according to one embodiment of the present invention, can comprise the steps of: recognizing at least one person in an inputted image; determining a person-of-interest among the recognized persons; and performing image alignment, on the basis of the person-of-interest, on the inputted image, wherein the image alignment is performed without an input of a user of the image alignment device for the image alignment.

Image alignment method and device therefor

Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.

Display apparatus

A method for controlling charge or discharge of a battery in a battery system including a DC converter down-converting an input voltage thereof and outputting an output, a battery connected to an output terminal of the DC converter, and an electric load connected to the output terminal of the DC converter and supplied with electric power from at least one of the DC converter and the battery, may include measuring a temperature of the battery, first controlling, by a controller, an output of the DC converter so that a charging current supplied to the battery from the DC converter becomes a preset maximum value, when the temperature of the battery is lower than a first predetermined temperature, and second controlling, by the controller, the output of the DC converter such that a current of the battery is substantially equal to zero, when the temperature of the battery is higher than a second predetermined temperature which is higher than the first predetermined temperature.

System and method for controlling charge and discharge of battery

A method of operating an on-board charger for charging a high voltage battery of an electrically-charged vehicle includes supplying a DC voltage obtained by converting an AC voltage to the high voltage battery to perform a charging operation, measuring an internal voltage of a DC EMI filter for removing noise of the DC voltage, generating a leakage current estimate based on the internal voltage, and controlling the charging operation in accordance with the leakage current estimate.

On-board charger, vehicle including the same, and method of operating the on-board charger

A four wheel drive vehicle includes: main driving wheels and auxiliary driving wheels; a first driving motor that provides power to the main driving wheels; a second driving motor that provides power to the auxiliary driving wheels; a battery that stores electrical energy; an inverter that converts and provides the electrical energy stored in the battery to the first driving motor; and a bidirectional power converter that generates charging electric power for charging the battery by converting power supplied from the outside of the vehicle and converts and provides the electrical energy stored in the battery to the second driving motor.

Four wheel drive vehicle

A fault diagnosis system of a power converter for an electric vehicle includes a power supply supplied with power and converting the supplied power to provide the power to a motor, a battery, and an electronic device of a vehicle, a power supply supplied with power and converting the supplied power to provide the power to a motor, a battery, and an electronic device of a vehicle, a controller connected to the power supply by a connector and controlling charging and discharging of the battery, and operations of the motor and the electronic device of the vehicle by using the power provided from the power supply, and a fault diagnosis circuit connected between the power supply and the controller and diagnosing whether the connector which connects the power supply with the controller malfunctions.

Fault diagnosis system of power converter for electric vehicle

A quadrangular leaf spring of a quadrangle for generating vibration within a linear vibration motor includes a bottom support having an outer edge of a square form, a top support having a given height with respect to the bottom support and moved up and down by an elastic force of an elastic leg part, and the elastic leg part connected to an inside of the bottom support and upward extended up to the top support. A portion where the elastic leg part and the bottom support are connected is closer to a corner than to a center of each side of the bottom support. A right line of a portion of the elastic leg part connected to the bottom support is extended from the bottom support to the upper side in a concave shape with respect to the center of the leaf spring.

Quadrangular leaf spring and linear vibration motor including same

A method of recycling a composite container for a high-pressure gas is carried out so as to recover carbon fibers in a long fiber state, using a recovering apparatus that can separate the inner and outer containers of a composite container for a high-pressure gas such as a hydrogen tank and take carbon fibers out of the outer container without cutting it in order to recycle the composite container, in order to increase the degree of recovery of carbon fibers and improve the efficiency of recycling.

Method of recycling composite container for high-pressure gas

A charging system with a sensor diagnosis function is provided. The system includes an AC input voltage sensor that detects a voltage of an input end with an AC power applied thereto and a resistor that is connected to the input end. A power factor correction circuit unit adjusts and outputs a power factor of AC power applied through the resistor. An output voltage of the power factor correction circuit unit is applied to a capacity of the system. A controller then diagnoses the AC input voltage sensor based on a value of current passing through the resistor, a value of a voltage of the capacitor, and a resistance value of the resistor.

Charging system with sensor diagnosis function and method of diagnosing sensor applied to the same

Growing community of inventors

Gyeonggi-do, South Korea

Dong Jun Lee