Patents by Inventor Sung-Hun Cho

Sung-Hun Cho 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: 20240105604
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Publication number: 20240079413
    Abstract: A complementary thin film transistor (TFT) includes a substrate and a first TFT and a second TFT disposed on the substrate, wherein a first conductive semiconductor layer of the first TFT and a second gate electrode layer of the second TFT are disposed in the same layer and include the same material.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Inventors: Himchan OH, Jong-Heon YANG, Ji Hun CHOI, Seung Youl KANG, Yong Hae KIM, Jeho NA, Jaehyun MOON, Chan Woo PARK, Sung Haeng CHO, Jae-Eun PI, Chi-Sun HWANG
  • Publication number: 20230386398
    Abstract: Aspects of the subject disclosure may include, for example, a light-emitting diode (LED) driver configured to generate an LED driving current based on an input signal. The LED driver includes a code generator configured to generate code such that the LED driving current includes a direct current component corresponding to an upper n-bit of the input signal and an alternating current component alternating according to a lower m-bit of the input signal, and a current generator configured to generate the LED driving current, based on the code. Other embodiments are disclosed.
    Type: Application
    Filed: May 26, 2023
    Publication date: November 30, 2023
    Applicant: WELLANG CO., LTD.
    Inventors: Jong Tae HWANG, Sung Hun Cho
  • Patent number: 11765801
    Abstract: A light-emitting diode (LED) driver configured to generate an LED driving current based on an input signal may include a terminal exposed to outside, a controller configured to identify a first identifier and data from the input signal, identify a second identifier based on a signal applied to the terminal, and when the first identifier and the second identifier are identical to each other, generate a control signal based on the data. The LED driver further may further include a current source configured to generate the LED driving current based on the control signal.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: September 19, 2023
    Assignee: WELLANG CO., LTD.
    Inventors: Jong Tae Hwang, Sung Hun Cho
  • Publication number: 20230028188
    Abstract: A light-emitting diode (LED) driver configured to generate an LED driving current based on an input signal may include a terminal exposed to outside, a controller configured to identify a first identifier and data from the input signal, identify a second identifier based on a signal applied to the terminal, and when the first identifier and the second identifier are identical to each other, generate a control signal based on the data. The LED driver further may further include a current source configured to generate the LED driving current based on the control signal.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 26, 2023
    Applicant: WELLANG CO., LTD.
    Inventors: Jong Tae HWANG, Sung Hun CHO
  • Patent number: 11163407
    Abstract: An input device is provided. The input device includes a communicator for communicating with an electronic device, a pen tip provided on one end portion of the input device, an electrode part provided at a position spaced apart at a predetermined interval from the pen tip, and a processor configured to apply a predetermined frequency signal to the electrode part, and control the communicator so as to transmit, to the electronic device, the signal of which frequency changed according to a capacitance formed between the electrode part and the electronic device.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-sun Lee, Kang-yoon Lee, Sung-hun Cho, Gwan-hyung Kim, Sang-yun Kim, Ho-chul Ryu, Sang-ho Kim
  • Patent number: 11150770
    Abstract: Disclosed is an input device. The input device includes a communicator configured to communicate with an electronic device, a pen tip provided at one end of the input device, a first electrode portion including a plurality of first sub-electrodes spaced apart from each other by a predetermined distance from the pen tip, a second electrode portion including a plurality of second sub-electrodes spaced apart from each other to correspond to each of the plurality of first sub-electrodes at a position spaced apart from the first electrode portion by a predetermined distance, a processor to provide a driving signal to the first electrode portion and the second electrode portion, generate tilt information of the input device on the basis of a plurality of capacitances formed between the plurality of first sub-electrodes and the plurality of second sub-electrodes, and transmit the tilt information to the electronic device.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 19, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Hyung-sun Lee, Kang-yoon Lee, Sung-hun Cho, Gwan-hyung Kim, Sang-yun Kim, Ho-chul Ryu, Sang-ho Kim
  • Publication number: 20210124472
    Abstract: An input device is provided. The input device includes a communicator for communicating with an electronic device, a pen tip provided on one end portion of the input device, an electrode part provided at a position spaced apart at a predetermined interval from the pen tip, and a processor configured to apply a predetermined frequency signal to the electrode part, and control the communicator so as to transmit, to the electronic device, the signal of which frequency changed according to a capacitance formed between the electrode part and the electronic device.
    Type: Application
    Filed: February 7, 2018
    Publication date: April 29, 2021
    Inventors: Hyung-sun LEE, Kang-yoon LEE, Sung-hun CHO, Gwan-hyung KIM, Sang-yun KIM, Ho-chul RYU, Sang-ho KIM
  • Publication number: 20200192523
    Abstract: Disclosed is an input device. The input device includes a communicator configured to communicate with an electronic device, a pen tip provided at one end of the input device, a first electrode portion including a plurality of first sub-electrodes spaced apart from each other by a predetermined distance from the pen tip, a second electrode portion including a plurality of second sub-electrodes spaced apart from each other to correspond to each of the plurality of first sub-electrodes at a position spaced apart from the first electrode portion by a predetermined distance, a processor to provide a driving signal to the first electrode portion and the second electrode portion, generate tilt information of the input device on the basis of a plurality of capacitances formed between the plurality of first sub-electrodes and the plurality of second sub-electrodes, and transmit the tilt information to the electronic device.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 18, 2020
    Inventors: Hyung-sun LEE, Kang-yoon LEE, Sung-hun CHO, Gwan-hyung KIM, Sang-yun KIM, Ho-chul RYU, Sang-ho KIM
  • Patent number: 10399539
    Abstract: A pretensioner and safety belt assembly may include includes a base member fixed to a vehicle, a torsion shaft having a first side and a second side rotatably supported on the base member, a torsion tube having a first end portion fixed on an external surface of the torsion shaft and a second end portion rotatably supported on the external surface of the torsion shaft wherein a belt configured to restrain an occupant is wound around an external surface of the torsion tube, a traction wire wound around an end portion of the torsion shaft on an opposite side to where the torsion tube is fixed to the torsion shaft in an opposite direction to a direction in which the belt is wound, and a pulling device configured to pull the traction wire to rotate the torsion shaft.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: September 3, 2019
    Assignee: Hyundai Motor Company
    Inventor: Sung Hun Cho
  • Publication number: 20180254149
    Abstract: An electronic component of a multi-layered structure includes a laminate formed by stacking a plurality of ceramic bodies and an external electrode made of a conductive resin for connecting each ceramic body.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
  • Publication number: 20180162318
    Abstract: A pretensioner and safety belt assembly may include includes a base member fixed to a vehicle, a torsion shaft having a first side and a second side rotatably supported on the base member, a torsion tube having a first end portion fixed on an external surface of the torsion shaft and a second end portion rotatably supported on the external surface of the torsion shaft wherein a belt configured to restrain an occupant is wound around an external surface of the torsion tube, a traction wire wound around an end portion of the torsion shaft on an opposite side to where the torsion tube is fixed to the torsion shaft in an opposite direction to a direction in which the belt is wound, and a pulling device configured to pull the traction wire to rotate the torsion shaft.
    Type: Application
    Filed: April 18, 2017
    Publication date: June 14, 2018
    Applicant: Hyundai Motor Company
    Inventor: Sung Hun CHO
  • Patent number: 9865399
    Abstract: An electronic component of a multi-layered structure includes a laminate formed by stacking a plurality of ceramic bodies and an external electrode made of a conductive resin for connecting each ceramic body.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hun Cho, Chang Ho Lee, Won Sik Chong
  • Publication number: 20170358396
    Abstract: An electronic component of a multi-layered structure includes a laminate formed by stacking a plurality of ceramic bodies and an external electrode made of a conductive resin for connecting each ceramic body.
    Type: Application
    Filed: August 28, 2017
    Publication date: December 14, 2017
    Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
  • Patent number: 9390844
    Abstract: A chip resistor may include: a body having a plurality of substrates stacked therein; a plurality of resistors formed in the body with respective substrates interposed therebetween and exposed through both end surfaces of the body; and first and second electrodes covering both end surfaces of the body, respectively, and connected to both end portions of the exposed resistors, respectively.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hun Cho, Young Key Joo Kim, Chang Ho Lee, Byung Sung Kang
  • Publication number: 20160104577
    Abstract: An electronic component of a multi-layered structure includes a laminate formed by stacking a plurality of ceramic bodies and an external electrode made of a conductive resin for connecting each ceramic body.
    Type: Application
    Filed: October 6, 2015
    Publication date: April 14, 2016
    Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
  • Publication number: 20150170804
    Abstract: A chip resistor may include: a body having a plurality of substrates stacked therein; a plurality of resistors formed in the body with respective substrates interposed therebetween and exposed through both end surfaces of the body; and first and second electrodes covering both end surfaces of the body, respectively, and connected to both end portions of the exposed resistors, respectively.
    Type: Application
    Filed: March 21, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hun CHO, Young Key Joo Kim, Chang Ho Lee, Byung Sung Kang
  • Patent number: 8327734
    Abstract: A steering column of a vehicle can protect a driver's knee by disposing an operation lever inside a column cover in a locked state of the operation lever. The steering column may include a main housing provided with a column tube therein, an upper housing rotatably connected to the column tube, and with gear teeth at a lower portion of the upper housing, a bracket having a first end rotatably connected to the main housing, and gear teeth at a second end of the bracket and engaged with the gear teeth of the upper housing, and an operation lever having one end rotatably connected to the column cover, the operation lever pushing the bracket and engaging the upper housing with the bracket.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: December 11, 2012
    Assignee: Hyundai Motor Company
    Inventor: Sung Hun Cho
  • Publication number: 20100170363
    Abstract: A steering column of a vehicle can protect a driver's knee by disposing an operation lever inside a column cover in a locked state of the operation lever. The steering column may include a main housing provided with a column tube therein, an upper housing rotatably connected to the column tube, and with gear teeth at a lower portion of the upper housing, a bracket having a first end rotatably connected to the main housing, and gear teeth at a second end of the bracket and engaged with the gear teeth of the upper housing, and an operation lever having one end rotatably connected to the column cover, the operation lever pushing the bracket and engaging the upper housing with the bracket.
    Type: Application
    Filed: January 20, 2010
    Publication date: July 8, 2010
    Applicant: Hyundai Motor Company
    Inventor: Sung Hun CHO
  • Patent number: 7450088
    Abstract: An apparatus and method for generating digital pulse used to control or drive a device or a mechanism using a processing unit. The apparatus includes a processing unit, when a signal is input, operating a predetermined program to generate pulse data corresponding to the signal, and a digital pulse output unit synchronizing pulse data generated in the processing unit with an output clock signal and outputting the pulse data as the digital pulse.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: November 11, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-tak Kwak, Sung-soo Kim, Sang-soo Lee, Sung-hun Cho, Ja-yeon Kim