Patents by Inventor Sang Hwan Choi

Sang Hwan 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: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Publication number: 20240149837
    Abstract: A sensor cleaning apparatus for a vehicle includes: a sensor housing in which a driver and a sensor are mounted, a cover part configured to rotate and exposed to the outside of the sensor housing through an open region formed on a front surface of the sensor housing, and a blade part connected to the cover part. The blade is rotated as the driver is driven and provided to allow air generated by its rotation to flow toward a front surface and a rear surface of the cover.
    Type: Application
    Filed: June 13, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DY AUTO Corporation
    Inventors: Sang Heon Wang, Nak Kyoung Kong, Dong Eun Cha, Kyung Hwan Kim, Jung Kwan Choi
  • Publication number: 20240148923
    Abstract: A sterilization device includes a housing; a sterilization unit which emits germicidal light for sterilization of at least one target area to be sterilized; and a drive unit which moves at least a part of the sterilization unit between the outside and inside of the housing through an opening provided in the housing.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 9, 2024
    Inventors: Hyun Woo Choi, Sang Hyoung Lee, Woo Yeong Son, Jong Woon Kim, Hae Ryun Lee, Man Young Chun, Dong Hwan Sin
  • Patent number: 11970090
    Abstract: A railess variable seatback type rear seat includes: a linear movement device configured to convert a rotation of a motor into a linear movement; a sliding movement device configured to convert the linear movement into a sliding movement in which a seat cushion is pushed forward or backward; and a reclining angle change device configured to convert the sliding movement into a reclining movement, and to fold a seatback, which is connected to the seat cushion, forward or to recline the seatback backward.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: April 30, 2024
    Assignees: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Seung-Hyun Kim, Sang-Hyun Lee, Min-Ju Lee, Byung-Yong Choi, Chan-Ho Jung, Seon-Chae Na, Young-Woon Choi, Jae-Jin Lee, Dong-Hwan Kim, In-Chang Hwang
  • Publication number: 20240136510
    Abstract: A positive electrode active material including a first lithium composite oxide particle including a secondary particle formed by aggregation of one or more primary particles, and a coating oxide occupying at least a part of at least one of surfaces of the secondary particle, grain boundaries between the primary particles, or surfaces of the primary particles, the positive electrode active material satisfying an equation of 1.3?a/b?3.0, wherein a represents a max peak intensity at 2theta=44.75° to 44.80° and b represents a max peak intensity at 2theta=45.3° to 45.6° in X-ray diffraction (XRD) analysis using Cu K? radiation.
    Type: Application
    Filed: May 21, 2023
    Publication date: April 25, 2024
    Inventors: Yu Gyeong CHUN, Moon Ho CHOI, Yoon Young CHOI, Jong Seung SHIN, Yong Hwan GWON, Jin Ho BAE, Ji Won KIM, Sang Hyeok KIM
  • Publication number: 20240134690
    Abstract: There are provided a system and a method for setting a synchronization agent. A system for setting an optimal synchronization agent according to a workload according to an embodiment includes: a data integration device configured to integrate and store data which is collected through a collection agent; an agent management server configured to manage the collection agent that periodically polls data from a data source and transmits the data to the data integration device; and an agent setting automation device configured to set an optimal agent set value related to collection and transmission of data of the collection agent.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Won Gi CHOI, Sang Shin LEE, Min Hwan SONG, Jee Hyeong KIM
  • Publication number: 20240137408
    Abstract: There are provided a method and a system for selecting an optimal synchronization broker for each workload. A system for selecting an optimal synchronization broker for each workload according to an embodiment includes: a storage unit including a database that contains specialist recommendation information including information on a correct protocol that is recommended by a specialist with respect to a service specification and data transmission requirements; and a processor configured to determine an optimal in-bound protocol and an optimal out-bound protocol according to the data transmission requirements through a decision tree model that is trained by using the specialist recommendation information as training data.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Won Gi CHOI, Sang Shin LEE, Min Hwan SONG, Jee Hyeong KIM
  • Patent number: 11967269
    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Kyu Kang, Sung Hwan Kim, Soo Hee Oh, Dong Sun Lee, Sang Moo Choi
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Publication number: 20240120287
    Abstract: Provided is an overlay mark. The overlay mark comprises a substrate, a lower overlay in the substrate, a pattern layer on the substrate, and an upper overlay defining an opening on the pattern layer. The lower overlay does not overlap the upper overlay in a thickness direction of the substrate.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Won PARK, A Yeong CHA, Byeong-Hwan SON, Hye Jin LEE, Jung Hyun CHOI, Jong Hee HAN
  • Publication number: 20240121984
    Abstract: A display device including a pixel electrode, and a pixel circuit electrically connected to the pixel electrode. The pixel circuit includes a first transistor including sub-transistors electrically connected to each other through a first common node, a second transistor including sub-transistors electrically connected to each other through a second common node, a first electrode electrically connecting the first common node with the second common node, and a second electrode disposed to overlap the first electrode and electrically connected to a direct current power source.
    Type: Application
    Filed: August 25, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Han Bit KIM, Keun Woo KIM, Doo Na KIM, Sang Sub KIM, Chan Yeob SEOL, Jae Hwan CHU, Sang Gun CHOI
  • Patent number: 11955124
    Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Ki Kang, Jang-Seok Seo, Kook-Tae Choi, Hyun-Woo Kang, Jin-Yeol Kim, Chae-Hwan Li, Kyung-Tae Kim, Dong-Ho Jang, Min-Kyung Hwang
  • Patent number: 11935472
    Abstract: The present disclosure relates to a pixel sensing circuit which extends an operation section of an integrator by using an additional signal and allows securing a time required for a stable output of a sensing voltage.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 19, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Seung Hwan Ji, Sang Min Lee, Gi Baek Choi, Jung Bae Yun
  • Patent number: 11923216
    Abstract: An apparatus and method for treating a substrate are provided. The apparatus includes at least one first process chamber configured to supply a developer onto the substrate; at least one second process chamber configured to treat the substrate using a supercritical fluid; a transfer chamber configured to transfer the substrate from the at least one first process chamber to the at least one second process chamber, while the developer supplied in the at least one first process chamber remains on the substrate; and a temperature and humidity control system configured to manage temperature and humidity of the transfer chamber by supplying a first gas of constant temperature and humidity into the transfer chamber.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 5, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEMES CO., LTD.
    Inventors: Seung Min Shin, Sang Jin Park, Hae Won Choi, Jang Jin Lee, Ji Hwan Park, Kun Tack Lee, Koriakin Anton, Joon Ho Won, Jin Yeong Sung, Pil Kyun Heo
  • Publication number: 20160069501
    Abstract: The object of the present invention is to provide a fluid leakage counteraction instrument upon damage of fluid conveying pipe which can rapidly recover the damaged part in case where the conveying pipe is damaged so that the fluid is leaked. The present invention is a fluid leakage counteraction instrument upon damage of fluid conveying pipe which is installed as to rapidly recover the damaged part of the conveying pipe which conveys the fluid, the instrument comprising: a recovery tubular body, at one end of which is installed a pad which can be closely attached to the damaged part of the conveying pipe, and at the other end of which is installed a valve; and a fixing means which can closely fix the pad installed at the recovery tubular body to the damaged part of the conveying pipe.
    Type: Application
    Filed: June 18, 2015
    Publication date: March 10, 2016
    Inventor: Sang Hwan CHOI
  • Patent number: 9129788
    Abstract: A lens for electron capture dissociation may include: a first electrode and a second electrode spaced apart from each other and arranged along a first direction; and a third electrode and a fourth electrode spaced apart from each other and arranged along a second direction perpendicular to the first direction. The first electrode and the second electrode may be disposed in a space in which a magnetic field is formed in the first direction and trap electrons. The third electrode and the fourth electrode may be in the form of a flat plate and may apply an electric field to the trapped electrons in the second direction.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: September 8, 2015
    Assignee: Korea Basic Science Institute
    Inventors: Myoung Choul Choi, Sang Hwan Choi, Se Gyu Lee, Jeong Min Lee
  • Publication number: 20140284470
    Abstract: A lens for electron capture dissociation may include: a first electrode and a second electrode spaced apart from each other and arranged along a first direction; and a third electrode and a fourth electrode spaced apart from each other and arranged along a second direction perpendicular to the first direction. The first electrode and the second electrode may be disposed in a space in which a magnetic field is formed in the first direction and trap electrons. The third electrode and the fourth electrode may be in the form of a flat plate and may apply an electric field to the trapped electrons in the second direction.
    Type: Application
    Filed: October 10, 2012
    Publication date: September 25, 2014
    Inventors: Myoung Choul Choi, Sang Hwan Choi, Se Gyu Lee, Jeong Min Lee
  • Publication number: 20130110350
    Abstract: There are provided a shock absorber control apparatus and a shock absorber control method, capable of controlling a shock absorber in advance by including a distance sensing module sensing a distance between a bottom surface of a vehicle and a road surface. The shock absorber control apparatus includes: a vehicle movement information sensing module sensing vehicle movement information; a distance sensing module sensing a distance between a bottom surface of a vehicle and a road surface; and an electronic control unit receiving the vehicle movement information and the distance to generate a signal for controlling the shock absorber and transmit the signal to the shock absorber.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 2, 2013
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Hwan CHOI, In Taek SONG, Gwan Ha JEONG
  • Publication number: 20090290061
    Abstract: Provided is a camera module including a substrate; an image sensor that is mounted on the substrate; and a housing that is coupled to the top surface of the substrate and has a lens assembly integrally provided on the center thereof, the lens assembly having a plurality of lenses stacked therein, and a plurality of support portions which project from the side walls of the housing in the lower side of the lens assembly so as to be contact-supported by the top and side surfaces of the image sensor.
    Type: Application
    Filed: August 5, 2008
    Publication date: November 26, 2009
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hwan Choi, Seung Man Oh