Patents by Inventor Eun Cha

Eun Cha has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210078455
    Abstract: An autonomous vehicle may include a plurality of seats rotatably provided on a vehicle floor of the vehicle; a console device rail provided between the plurality of seats and extending in a longitudinal direction thereof; and a console device mounted on the console device rail and configured for sliding between the plurality of seats along the console device rail, the console device mounted on the console device rail via a rotation shaft to be rotatable about the rotation shaft relative to the console device rail, wherein when the console device is slid along and rotated relative to the console device rail during rotation of the seat, the interference by the seats and the console device is prevented.
    Type: Application
    Filed: March 11, 2020
    Publication date: March 18, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Ho HWANG, Dong Eun Cha, Sang Heon Lee
  • Publication number: 20210043686
    Abstract: A display device is provided. The display device includes a first substrate, a first detection electrode on the first substrate, a first bank including an opening that exposes the first detection electrode, a photosensitive layer on the first detection electrode, a second detection electrode on the photosensitive layer, a first electrode on the second detection electrode, a second bank including an opening that exposes the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a first optical system between the second detection electrode and the first electrode, and a second optical system on the second electrode, wherein the first optical system and the second optical system overlap the photosensitive layer in a thickness direction of the display device.
    Type: Application
    Filed: April 15, 2020
    Publication date: February 11, 2021
    Inventors: Suk KIM, Yu Na KIM, Soo Jung LEE, Keum Dong JUNG, Go Eun CHA
  • Publication number: 20210039506
    Abstract: An electric power conversion system includes: an AC-DC conversion circuit converting AC charging power into DC power; a motor including a plurality of coils, one end of each being connected to a neutral point; a first switching device selectively allowing or blocking supply of output power from the AC-DC conversion circuit to the neutral point; an inverter including a plurality of motor connection terminals connected to the other ends of the coils of the motor, respectively, DC connection terminals including a positive terminal and a negative terminal, and a plurality of switching elements forming electrical connections between the DC connection terminals and the plurality of motor connection terminals; a battery connected to the DC connection terminals of the inverter; and a controller controlling operations of the AC-DC conversion circuit, the first switching device, and the inverter in accordance with whether or not the battery is charged.
    Type: Application
    Filed: March 11, 2020
    Publication date: February 11, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dae Woo LEE, Min Seong CHOI, Si Hun YANG, Jae Eun CHA, Jin Young YANG, In Yong YEO
  • Publication number: 20210043692
    Abstract: A foldable display device includes: a first substrate, a first thin-film transistor layer on the first substrate, a light emitting element layer on the first thin-film transistor layer, and a fingerprint sensor layer to receive light reflected by an external object. The fingerprint sensor layer includes: a second substrate under the first substrate, a second thin-film transistor layer under the second substrate, and a light receiving element layer under the second thin-film transistor layer.
    Type: Application
    Filed: April 3, 2020
    Publication date: February 11, 2021
    Inventors: Go Eun CHA, Keum Dong JUNG, Suk KIM, Soo Jung LEE
  • Publication number: 20210026497
    Abstract: A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.
    Type: Application
    Filed: March 25, 2020
    Publication date: January 28, 2021
    Inventors: Soo Jung LEE, Suk KIM, Ki Seo KIM, Yu Na KIM, Keum Dong JUNG, Go Eun CHA
  • Publication number: 20210019714
    Abstract: A system for providing a vehicle part change service is provided, may include a server provided with part information related to changeable parts for a plurality of vehicle kinds, the server providing kinds of the changeable parts to a user terminal if a part change request for a specific vehicle kind is received from the user terminal, guiding a cost for a change target part through the user terminal if the corresponding part is selected through the user terminal and processing to transport the changed part to a service center, and outputting at least one of vehicle specification information or vehicle control data being changed due to the change of the part.
    Type: Application
    Filed: June 19, 2020
    Publication date: January 21, 2021
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • Publication number: 20210008995
    Abstract: A method of controlling charge of a vehicle battery includes: determining, by a control unit, whether a high voltage battery and a low voltage battery are charged in a first charging mode, a second charging mode, or a third charging mode; and charging at least one of the high voltage battery or the low voltage battery by controlling a first full-bridge circuit unit, a second full-bridge circuit unit, and a low voltage direct current (DC) converter unit based on the determined first, second or third charging mode.
    Type: Application
    Filed: January 17, 2020
    Publication date: January 14, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dae Woo LEE, Jae Eun CHA, Byung Gu KANG, Tae Jong HA
  • Publication number: 20210010144
    Abstract: A method of manufacturing a multiple-color plating member includes forming a copper plating layer on at least a part of a surface of a substrate, forming a nickel plating layer on a surface of the copper plating layer, forming a chromium plating layer on a surface of the nickel plating layer, applying a color coating agent onto a surface of the chromium plating layer and then drying the applied color coating agent to form a color coating layer, and applying a clear coating agent onto a surface of the color coating layer and photocuring the applied clear coating agent to form a clear layer. The color coating agent includes 10 to 35% by weight of a modified acrylic resin, 1 to 25% by weight of a pigment, and 40 to 80% by weight of a first solvent. The clear coating agent includes 10 to 30% by weight of a polyester-modified acrylic resin, 5 to 25% by weight of an acrylic oligomer, 5 to 45% by weight of an acrylic monomer, 1 to 15% by weight of a photoinitiator, and 10 to 75% by weight of a second solvent.
    Type: Application
    Filed: June 25, 2020
    Publication date: January 14, 2021
    Inventors: Hyun Kyung Kim, Dong Eun Cha, Jin Young Yoon, Hai Chang Lee, Sun Young Park
  • Publication number: 20210009843
    Abstract: Disclosed are methods of forming a multiple coating on a dry plating member and a molded article manufactured using the same. The method may include applying a color coating agent onto a surface of a plating layer of a plating member and then drying the applied color coating agent to form a color coating layer, and applying a clear coating agent onto a surface of the color coating layer and curing the applied clear coating agent to form a clear layer, wherein the plating member includes a substrate, an undercoat layer formed on a surface of at least a part of the substrate, and a plating layer formed on a surface of the undercoat layer.
    Type: Application
    Filed: June 17, 2020
    Publication date: January 14, 2021
    Inventors: Hyun Kyung Kim, Dong Eun Cha, Jin Young Yoon, Hai Chang Lee, Sun Young Park
  • Publication number: 20200391661
    Abstract: A vehicle with an expandable space, may include a fixed floor being a floor of the vehicle; a moving floor slidably inserted into the fixed floor, being slid inside or outside the vehicle by operation of a driving unit, and forming the expanding space outside the vehicle by forming an outside floor connected to the fixed floor when sliding out; and assistant wheel assemblies, each having an assistant wheel that comes in contact with the ground when deployed and that separates from the ground when stowed.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 17, 2020
    Applicants: Hyundai Motor Company, Kia Motors Gorporation
    Inventors: Sang Heon Lee, Jin Ho Hwang, Dong Eun Cha
  • Publication number: 20200377031
    Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, and a cap mounted on at least one of opposite longitudinal end portions of the hollow profile or disposed inside the main body.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung KIM, Dong Eun CHA, Jin Young YOON, Byung Kyu YOON, Hwi Sung JUNG, Sang Hyeon PARK, Ju Hyun KWON, Seung Ryeol LEE, Yong Yeon HWANG
  • Publication number: 20200377164
    Abstract: A method for manufacturing a roof rack that is mounted on a roof panel of a vehicle and includes a main body and a hollow profile integrally formed inside the main body may include: manufacturing the hollow profile using a drawing method, wherein the hollow profile is formed of a resin composite and has a hollow portion extending in a lengthwise direction thereof; mounting caps on opposite longitudinal end portions of the hollow profile in the lengthwise direction to seal the hollow portion; inserting the hollow profile having the caps mounted on the opposite longitudinal end portions thereof into an injection mold; and insert-molding the main body having the hollow profile integrally formed inside, by injecting a moldable material to surround the hollow profile.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung Kim, Dong Eun Cha, Jin Young Yoon, Byung Kyu Yoon, Hwi Sung Jung, Sang Hyeon Park, Ju Hyun Hwon, Yong Han Kang, Seung Ryeol Lee, Sung Hyun Shin
  • Publication number: 20200376988
    Abstract: A vehicle with a flat seat may include a floor portion having a leg groove recessed downward from a surface of the floor portion; a seatback disposed on the floor portion and reclining by a rotation of the lower end; a seat cushion disposed on the floor portion ahead of the seatback; and a leg cushion disposed in the leg groove of the floor portion and having a rear portion rotatably coupled to the seat cushion.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun CHA, Jin Ho HWANG, Sang Heon LEE
  • Publication number: 20200376728
    Abstract: An insert molding apparatus includes: a lower mold including a seating part on which an insert member including a through-hole is seated; an upper mold mounted on the lower mold to receive the insert member seated on the seating part; and a first fixing part including a first head provided in the lower mold and inserted into the through-hole of the insert member when the insert member is seated, and a first drive unit that moves the first head. The first drive unit is moved to adjust a length by which the first head is inserted into the through-hole.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung KIM, Dong Eun CHA, Jin Young YOON, Byung Kyu YOON, Hwi Sung JUNG, Sang Hyeon PARK, Ju Hyun KWON, Seung Ryeol LEE, Yong Woo JUNG, Min Jun KIM, Eon Yeon JO
  • Publication number: 20200377026
    Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, caps mounted on opposite distal ends of the hollow profile and disposed inside the main body, and a pair of covers mounted on opposite side surfaces of each of the support parts.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung KIM, Dong Eun CHA, Jin Young YOON, Byung Kyu YOON, Hwi Sung JUNG, Sang Hyeon PARK, Ju Hyun KWON, Seung Ryeol LEE, Wook Hee LEE, Yong Woo JUNG
  • Publication number: 20200376977
    Abstract: A vehicle battery exchange system includes: a battery charger configured to store multiple batteries therein, and including a first battery locking device that is configured to be unlocked when each of the batteries is withdrawn from the battery charger and is configured to be locked when the batteries are stored in the battery charger, the battery charger charging a battery among the stored batteries when a state-of-charge of the corresponding battery is insufficient; and a server configured to: communicate with the battery charger and a vehicle and guiding the vehicle to a position of the battery charger when a charge request is received from the vehicle, control the first battery locking device to be unlocked when the vehicle is authenticated, and control the first battery locking device to be locked when exchange of batteries between the authenticated vehicle and the battery charger is completed.
    Type: Application
    Filed: November 12, 2019
    Publication date: December 3, 2020
    Inventors: Sang Heon Lee, Jin Ho Hwang, Dong Eun Cha
  • Publication number: 20200377027
    Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts integrally formed on opposite longitudinal end portions of the rail in the lengthwise direction, and a hollow profile that extends along the lengthwise direction of the rail and has at least one through-hole formed in a surface facing the roof panel of the vehicle and that is integrally formed inside the rail.
    Type: Application
    Filed: May 22, 2020
    Publication date: December 3, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Kyung KIM, Dong Eun CHA, Jin Young YOON, Byung Kyu YOON, Hwi Sung JUNG, Sang Hyeon PARK, Ju Hyun KWON, Seung Ryeol LEE, Man Soo LEE, Eon Yeon JO
  • Patent number: 10843744
    Abstract: A user-assemblable vehicle including: a platform module forming a bottom surface of the vehicle, and including a floor part provided with a power driving part and front and rear wheel parts provided on front and rear parts of the floor part, respectively; a front module coupled to a front part of the platform module to form a front part of the vehicle; a rear module coupled to a rear part of the platform module to form a rear part of the vehicle; and a cabin module having a space for accommodating passengers, being coupled to a rear end of the front module at a front end and coupled to a front end of the rear module at a rear end, and supported by the floor part of the platform module at a lower end when the cabin module slides from a side to an opposite side of the vehicle.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 24, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • Patent number: 10840820
    Abstract: An integrated converter is provided. The integrated converter includes a high-voltage charger having a power factor correction (PFC) device configured to compensate a low-frequency ripple and convert an alternating current (AC) voltage of a commercial power source into a direct current (DC) voltage. A first switching module is configured to convert the DC voltage output from the PFC device into an AC voltage and charge a high-voltage battery using the commercial power source and a low-voltage charger that is connected between the PFC device and the first switching module and the high-voltage charger configured to charge a low-voltage battery using the commercial power source or the high-voltage battery.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Young Yang, Gyu Yeong Choe, Min Seong Choi, Tae Jong Ha, Young Jin Kim, Jae Eun Cha, Dae Woo Lee, In Yong Yeo
  • Publication number: 20200346574
    Abstract: A vehicle may include a door pivotally mounted to a vehicle body at a lower end portion of the door, to open or close an opening formed at a portion of one surface of the vehicle, while being configured to form a bottom surface connected to a floor of the vehicle in a state of completely pivoting toward an outside of the vehicle in accordance with an opening operation of the door, forming a terrace space connected to an internal compartment of the vehicle, and a seat slidably mounted in the internal compartment of the vehicle, to provide a seating compartment for passengers, while being configured to be slidable outwards toward the opening of the vehicle, providing a seating compartment in the terrace space when the terrace space is used in accordance with the opening operation of the door.
    Type: Application
    Filed: September 11, 2019
    Publication date: November 5, 2020
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee