Patents by Inventor Seong Ho Choi

Seong Ho Choi 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: 20210157189
    Abstract: A display device including a display panel having a first side including a display area configured to emit light and a second side opposite to the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening and having a first surface facing the display panel, a first adhesive layer disposed between the first surface of the sensor and the display panel, and a second adhesive layer disposed between a side surface of the sensor and the auxiliary layer, in which the second adhesive layer and the first adhesive layer contact each other.
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
  • Publication number: 20210150982
    Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 20, 2021
    Inventors: Young-In HWANG, Sung Ho KIM, Eung Taek KIM, Yong Ho YANG, Seong Min WANG, Jung-Mi CHOI
  • Patent number: 11009977
    Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 18, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Cheol Kim, Ji-Hong Park, Hyun-Ju Lee, Il-Ho Lee, Moon-Sung Choi, Seong-Mo Hwang, Ki-Hyuk Kim, Seung-Ho Nam
  • Patent number: 11002339
    Abstract: A power transmission apparatus for a vehicle may include a first input shaft directly connected to a motor/generator, a second and third input shafts coaxial and selectively connectable to the first input shaft, a torque mediating shaft coaxial with the first input shaft, an intermediate shaft and output shaft disposed in parallel with the first input shaft, a first shifting section receiving torque from the third input shaft and outputting a modified torque to the torque mediating shaft, a second shifting section including first planetary gear set, shifting torque of the first input shaft to output the shifted torque to the torque mediating shaft, and selectively stopping the torque mediating shaft, and a third shifting section including second planetary gear set, forming an output torque in combination of torques from the first and second shifting sections and the second input shaft, and outputting the output torque to the output shaft.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: May 11, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Cheol Ho Jang, Woochurl Son, Sun Sung Kwon, Seong Wook Hwang, Kijong Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Ilhan Yoo, Juhyeon Park, Minho Chae, Dongwoo Kim, Hye Jin Lim, Soonki Eo, Ki Dong Kim, Woo Jin Chang, Yong Sug Choi, Young Chan Gweon
  • Publication number: 20210134892
    Abstract: A display panel may include a first OLED disposed in a first sub-pixel region and emitting light of a first color, a second OLED disposed in a second sub-pixel region and emitting light of a second color, a third OLED disposed in a third sub-pixel region and emitting light of a third color, a fourth OLED disposed in a fourth sub-pixel region and emitting light of the second color, a first sub-pixel circuit disposed in the first sub-pixel region and driving the third OLED in the third sub-pixel region, a second sub-pixel circuit disposed in the second sub-pixel region and driving the first OLED in the first sub-pixel region, a third sub-pixel circuit disposed in the third sub-pixel region and driving the fourth OLED in the fourth sub-pixel region, and a fourth sub-pixel circuit disposed in the fourth sub-pixel region and driving the second OLED in the second sub-pixel region.
    Type: Application
    Filed: July 2, 2020
    Publication date: May 6, 2021
    Inventors: Young-In HWANG, Eung Taek Kim, Yong Ho YANG, Seong Min WANG, Joo Hyeon JO, Jung-Mi CHOI, Seong Baik CHU
  • Patent number: 10906519
    Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes a hydraulic-pressure supply device and a hydraulic-pressure control unit. The hydraulic-pressure supply device operates a hydraulic piston using an electric signal corresponding to a displacement of a brake pedal, and thus generates hydraulic pressure. The hydraulic-pressure control unit controls hydraulic pressure of a pressure medium supplied to individual wheel cylinders. The electronic brake system controls a plurality of valves mounted to the hydraulic-pressure control unit, and thus performs a normal operation mode, an abnormal operation mode, a regenerative braking mode, and an inspection mode using the valves.
    Type: Grant
    Filed: September 22, 2018
    Date of Patent: February 2, 2021
    Assignee: MANDO CORPORATION
    Inventors: Hyojin Jeong, Seong Ho Choi
  • Patent number: 10878266
    Abstract: A vehicle and a method for controlling the same are disclosed, which determine a region of interest (ROI) in a forward-view image based on braking information and steering information of the vehicle, and obtain driving assistance information from the ROI image. The vehicle includes an image acquisition part configured to acquire a forward-view image by capturing an image about a forward region of a vehicle, a steering information acquisition part configured to acquire steering information by detecting a steering direction and a steering angle of the vehicle, a braking information acquisition part configured to acquire braking information by detecting a braking or non-braking state and a braking deceleration of the vehicle, and a controller configured to determine a region of interest (ROI) within the forward-view image based on at least one of the steering information and the braking information of the vehicle.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: December 29, 2020
    Assignee: MANDO CORPORATION
    Inventors: Seong Ho Choi, Seung Hyun Roh
  • Publication number: 20200398800
    Abstract: A vehicle control apparatus and a method for controlling the same are disclosed. The vehicle control apparatus includes an inputter, a determiner, and a controller. The inputter receives an automatic vehicle hold (AVH) switch operation signal from an AVH device, and receives a current vehicle movement value sensed by a sensing device and a current vehicle brake force value of a brake device that generates brake force in response to activation of the AVH device. The determiner determines whether the received AVH switch operation signal transitions from an ON state to an AVH entry state, determines whether vehicle movement occurs on the basis of the received current vehicle movement value during an AVH retention time in the AVH entry state, and determines that the current vehicle brake force value is in an abnormal state when vehicle movement occurs. The controller receives the current vehicle movement value and the current vehicle brake force value, and transmits a command for judgment to the determiner.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Inventors: Seyoung CHEON, Byunghak KWAK, Sukku KIM, Seong Ho CHOI, Jung Hun HAN
  • Patent number: 10870418
    Abstract: An electronic brake system includes a master cylinder connected to a reservoir, including a master chamber and a master piston provided at the master chamber, and discharging the oil according to pedal effort of a brake pedal, a sensor measuring a displacement of the brake pedal, a pedal simulator providing a reaction force according to pedal effort of the brake pedal and including a simulator chamber connected to the master cylinder, a hydraulic actuator provided between the master cylinder and a wheel cylinder and controlling a hydraulic pressure flow delivered to the wheel cylinder, a first hydraulic pressure supply device operated by an electrical signal output by corresponding to the displacement of the brake pedal, and supplying a hydraulic pressure to the hydraulic actuator, and a second hydraulic pressure supply device provided between the reservoir and the master cylinder and providing a vibration pedal feel to the brake pedal.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: December 22, 2020
    Assignee: MANDO CORPORATION
    Inventors: Joo-Hee Son, Seong-Ho Choi
  • Patent number: 10821951
    Abstract: An electronic brake system includes a master cylinder connected to a reservoir, the master cylinder including first and second master chambers and first and second pistons provided in the master chambers; a hydraulic pressure supply device activated by an electrical signal to generate a hydraulic pressure; a hydraulic pressure control unit configured to transfer, to a plurality of wheel cylinder provided in wheels, a hydraulic pressure discharged from the hydraulic pressure supply device; first and second backup flow paths configured to connect the first and second master chambers to the hydraulic pressure control unit; and first and second cut valves configured to selectively open and close the first and second backup flow paths, wherein one or both of the first backup flow path and the second backup flow path are connected to the first or second master chamber and any one of the plurality of wheel cylinders.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 3, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hyun-Ho Kim, Seong-Ho Choi
  • Patent number: 10759400
    Abstract: A vehicle control apparatus and a method for controlling the same are disclosed. The vehicle control apparatus includes an inputter, a determiner, and a controller. The inputter receives an automatic vehicle hold (AVH) switch operation signal from an AVH device, and receives a current vehicle movement value sensed by a sensing device and a current vehicle brake force value of a brake device that generates brake force in response to activation of the AVH device. The determiner determines whether the received AVH switch operation signal transitions from an ON state to an AVH entry state, determines whether vehicle movement occurs on the basis of the received current vehicle movement value during an AVH retention time in the AVH entry state, and determines that the current vehicle brake force value is in an abnormal state when vehicle movement occurs. The controller receives the current vehicle movement value and the current vehicle brake force value, and transmits a command for judgment to the determiner.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 1, 2020
    Assignee: MANDO CORPORATION
    Inventors: Seyoung Cheon, Byunghak Kwak, Sukku Kim, Seong Ho Choi, Jung Hun Han
  • Patent number: 10752227
    Abstract: Disclosed is an electronic brake system including: a reservoir to store oil; a master cylinder connected to the reservoir and including first and second master chambers and first and second piston provided in the first and second master chambers, respectively, to discharge the oil according to an pedal effort of a brake pedal; a hydraulic pressure generating apparatus provided on at least one of a first reservoir passage connecting the reservoir and the first master chamber and a second reservoir passage connecting the reservoir and the second master chamber; a hydraulic pressure supply apparatus operated by an electrical signal to generate a hydraulic pressure and connected to the master cylinder; and a hydraulic pressure control unit transmitting alternatively the hydraulic pressure discharged from the hydraulic pressure generating apparatus or the hydraulic pressure supply apparatus to a wheel cylinder provided on each of four wheels.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 25, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hee Chul Jung, Seong Ho Choi
  • Patent number: 10696281
    Abstract: Disclosed herein are an electric brake system and an operating method thereof. The electric bake system includes a master cylinder discharging pressure medium according to a displacement of a brake pedal, a simulator providing a sense of pedal to a driver, a hydraulic supplier generating hydraulic pressure by operating a hydraulic piston in response to an electrical signal output by corresponding to the displacement of the brake pedal, and a hydraulic control unit controlling hydraulic pressure of the pressure medium supplied to each wheel cylinder. The electric brake system performs a normal operation mode having a low pressure mode and a high pressure mode, an abnormal operation mode and an inspection mode.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 30, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hyojin Jeong, Seong Ho Choi
  • Publication number: 20200151485
    Abstract: An apparatus of controlling a region of interest (ROI) in an image and a method for controlling the same are provided to determine a region of interest (ROI) in a forward-view image based on braking information and steering information of the vehicle, and obtain driving assistance information from the ROI image. The apparatus includes an image acquisition device configured to acquire a forward-view image by capturing an image about a forward region of a vehicle, a steering information acquisition device configured to acquire steering information by detecting a steering direction and a steering angle of the vehicle, a braking information acquisition device configured to acquire braking information by detecting a braking or non-braking state and a deceleration of the vehicle, and a controller configured to determine a region of interest (ROI) within the forward-view image based on at least one of the steering information or the braking information of the vehicle.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 14, 2020
    Inventors: Seong Ho Choi, Seung Hyun Roh
  • Patent number: 10583819
    Abstract: Disclosed is an electronic brake system.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: March 10, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hyunho Kim, Seong Ho Choi
  • Publication number: 20200074208
    Abstract: A vehicle and a method for controlling the same are disclosed, which determine a region of interest (ROI) in a forward-view image based on braking information and steering information of the vehicle, and obtain driving assistance information from the ROI image. The vehicle includes an image acquisition part configured to acquire a forward-view image by capturing an image about a forward region of a vehicle, a steering information acquisition part configured to acquire steering information by detecting a steering direction and a steering angle of the vehicle, a braking information acquisition part configured to acquire braking information by detecting a braking or non-braking state and a braking deceleration of the vehicle, and a controller configured to determine a region of interest (ROI) within the forward-view image based on at least one of the steering information and the braking information of the vehicle.
    Type: Application
    Filed: February 21, 2019
    Publication date: March 5, 2020
    Inventors: Seong Ho Choi, Seung Hyun Roh
  • Publication number: 20190329750
    Abstract: Provided are an electronic brake system and a method of operating the same, capable of performing a normal operation mode and an abnormal operation mode by including an integrated master cylinder configured to discharge a pressurizing medium according to a displacement of a brake pedal while providing a driver with a pedal fee, a liquid pressure supply device configured to generate a liquid pressure by operating a hydraulic piston according to an electrical being output on the basis of the displacement of the brake pedal, and a hydraulic control unit configured to a liquid pressure of a pressurizing medium to be supplied to each wheel cylinder.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Hyojin JEONG, Seong Ho CHOI, Jin Seok KIM, Byung Ki KIM
  • Publication number: 20190329749
    Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes an integrated master cylinder, a hydraulic-pressure supply device, and a hydraulic control unit. The integrated master cylinder allows a pressing medium to be discharged based on displacement of a brake pedal and at the same time provides proper pedal feel for the user. The hydraulic control unit controls hydraulic pressure of a pressing medium supplied to respective wheel cylinders. The electronic brake system operates in different ways according to a normal operation mode and an abnormal operation mode.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Hyojin JEONG, Seong Ho Choi, Jin Seok Kim, Byung Ki Kim
  • Publication number: 20190329751
    Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes an integrated master cylinder, a hydraulic-pressure supply device, and a hydraulic control unit. The integrated master cylinder allows a brake fluid to be discharged based on displacement of a brake pedal and at the same time provides proper pedal feel for the user. The hydraulic-pressure supply device generates hydraulic pressure by operating a hydraulic piston in response to an electrical signal that is output in response to displacement of the brake pedal. The hydraulic control unit controls hydraulic pressure of brake fluid supplied to respective wheel cylinders. The electronic brake system operates in different ways according to a normal operation mode and an abnormal operation mode.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: Hyojin JEONG, Seong Ho CHOI, Jin Seok KIM, Byung Ki KIM
  • Patent number: 10457261
    Abstract: An electronic brake system is disclosed.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: October 29, 2019
    Assignee: MANDO CORPORATION
    Inventors: In Wook Jeon, Seong Ho Choi