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).
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Publication number: 20240105604Abstract: 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: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
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Publication number: 20240079413Abstract: 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: ApplicationFiled: August 31, 2023Publication date: March 7, 2024Inventors: 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
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Publication number: 20230386398Abstract: 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: ApplicationFiled: May 26, 2023Publication date: November 30, 2023Applicant: WELLANG CO., LTD.Inventors: Jong Tae HWANG, Sung Hun Cho
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Patent number: 11765801Abstract: 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: GrantFiled: July 8, 2022Date of Patent: September 19, 2023Assignee: WELLANG CO., LTD.Inventors: Jong Tae Hwang, Sung Hun Cho
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Publication number: 20230028188Abstract: 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: ApplicationFiled: July 8, 2022Publication date: January 26, 2023Applicant: WELLANG CO., LTD.Inventors: Jong Tae HWANG, Sung Hun CHO
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Patent number: 11163407Abstract: 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: GrantFiled: February 7, 2018Date of Patent: November 2, 2021Assignee: 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
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Patent number: 11150770Abstract: 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: GrantFiled: February 7, 2018Date of Patent: October 19, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Hyung-sun Lee, Kang-yoon Lee, Sung-hun Cho, Gwan-hyung Kim, Sang-yun Kim, Ho-chul Ryu, Sang-ho Kim
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Publication number: 20210124472Abstract: 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: ApplicationFiled: February 7, 2018Publication date: April 29, 2021Inventors: Hyung-sun LEE, Kang-yoon LEE, Sung-hun CHO, Gwan-hyung KIM, Sang-yun KIM, Ho-chul RYU, Sang-ho KIM
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Publication number: 20200192523Abstract: 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: ApplicationFiled: February 7, 2018Publication date: June 18, 2020Inventors: Hyung-sun LEE, Kang-yoon LEE, Sung-hun CHO, Gwan-hyung KIM, Sang-yun KIM, Ho-chul RYU, Sang-ho KIM
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Patent number: 10399539Abstract: 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: GrantFiled: April 18, 2017Date of Patent: September 3, 2019Assignee: Hyundai Motor CompanyInventor: Sung Hun Cho
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Publication number: 20180254149Abstract: 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: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
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Publication number: 20180162318Abstract: 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: ApplicationFiled: April 18, 2017Publication date: June 14, 2018Applicant: Hyundai Motor CompanyInventor: Sung Hun CHO
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Patent number: 9865399Abstract: 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: GrantFiled: October 6, 2015Date of Patent: January 9, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hun Cho, Chang Ho Lee, Won Sik Chong
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Publication number: 20170358396Abstract: 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: ApplicationFiled: August 28, 2017Publication date: December 14, 2017Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
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Patent number: 9390844Abstract: 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: GrantFiled: March 21, 2014Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hun Cho, Young Key Joo Kim, Chang Ho Lee, Byung Sung Kang
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Publication number: 20160104577Abstract: 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: ApplicationFiled: October 6, 2015Publication date: April 14, 2016Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
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Publication number: 20150170804Abstract: 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: ApplicationFiled: March 21, 2014Publication date: June 18, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hun CHO, Young Key Joo Kim, Chang Ho Lee, Byung Sung Kang
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Patent number: 8327734Abstract: 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: GrantFiled: January 20, 2010Date of Patent: December 11, 2012Assignee: Hyundai Motor CompanyInventor: Sung Hun Cho
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Publication number: 20100170363Abstract: 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: ApplicationFiled: January 20, 2010Publication date: July 8, 2010Applicant: Hyundai Motor CompanyInventor: Sung Hun CHO
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Patent number: 7450088Abstract: 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: GrantFiled: December 23, 2003Date of Patent: November 11, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Han-tak Kwak, Sung-soo Kim, Sang-soo Lee, Sung-hun Cho, Ja-yeon Kim