Patents by Inventor Young-Tae Choi
Young-Tae 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).
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Publication number: 20240351064Abstract: The present invention relates to a method of manufacturing a micropattern surface with a reentrant structure with hydrophobicity and oleophobicity through a simple process using capillary force. The method of the present invention includes a step of forming a resin layer by applying an ultraviolet rays (UV) curable resin on a first substrate; a step of forming a pillar-shaped fine pattern on a second substrate; a step of bringing the resin layer and the fine pattern into contact with each other by moving the first substrate or the second substrate so that the resin layer and the fine pattern face each other; and a step of curing the resin by radiating ultraviolet rays while the resin located around a pillar of the fine pattern moves a certain distance along the pillar in the longitudinal direction of the pillar of the fine pattern by capillary force.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Applicant: CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPSInventors: Young Tae CHO, Seok Kim, Su Hyun Choi
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Patent number: 12118177Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.Type: GrantFiled: May 19, 2023Date of Patent: October 15, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Young-jin Kim, Sung-hee Kim, Seung-woon Lee, Kang-tae Kim, Tae-soo Kim, Jung-hwan Choi
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Publication number: 20240337897Abstract: Disclosed is an optical pulse adjusting device including a pulse shaper that receives an input signal generated based on an optical frequency comb (OFC) signal and outputs a spectrum adjustment signal by adjusting an optical spectrum shape of the input signal, an optical amplifier that outputs an optical amplification signal by amplifying the spectrum adjustment signal, an optical spectrum analyzer (OSA) that outputs an information signal by comparing an optical spectrum shape of the optical amplification signal with a target optical spectrum shape, and a control circuit that outputs a comparison signal based on the information signal. The pulse shaper further receives the comparison signal and adjusts the optical spectrum shape of the input signal based on information about a difference between the optical spectrum shape of the optical amplification signal and the target optical spectrum shape, which is included in the comparison signal.Type: ApplicationFiled: April 2, 2024Publication date: October 10, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joon Tae AHN, Minje SONG, Minhyup SONG, Taehyun LEE, Seungyoung LIM, Young Jin JUNG, Gyu Dong CHOI
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Publication number: 20240291092Abstract: An eco-friendly power source such as a battery module is provided for a transportation vehicle, including: a first sub-module and a second sub-module respectively including a cell stack in which a plurality of battery cells are stacked; and a central wall disposed between the first sub-module and the second sub-module, wherein the central wall includes a first central wall facing the first sub-module and a second central wall facing the second sub-module, wherein the first central wall has a rotationary symmetrical shape of the second central wall around a first axis.Type: ApplicationFiled: May 9, 2024Publication date: August 29, 2024Inventors: Ho Yeon KIM, Sang Tae AN, Hwa Kyoo YOON, Gang U LEE, Young Sun CHOI, Jeong Woo HAN
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Publication number: 20240283126Abstract: The present invention relates to a clamping apparatus for an antenna device, the clamping apparatus including an antenna mounting bracket coupled to a rear surface of an antenna device and configured to support the antenna device, a steering drive unit coupled to be rotatable in a horizontal direction relative to a support pole mounting bracket installed on a support pole, a tilting drive unit movably coupled to the steering drive unit, and at least one tilting link member configured to rotate the tilting drive unit relative to the steering drive unit and move the antenna mounting bracket relative to the tilting drive unit during tilting and steering operations, thereby providing an advantage of ensuring a maximum of tilting adjustment range of the antenna device.Type: ApplicationFiled: April 30, 2024Publication date: August 22, 2024Applicant: KMW INC.Inventors: In Ho KIM, Hee KIM, Dae Myung PARK, Young Ji HONG, Ju Hun LEE, Jae Woo CHOI, Woo Kyung LEE, Gyeong Tae KIM
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Publication number: 20240282987Abstract: A system for generating electricity and hydrogen is provided. The system includes a fuel cell unit, a liquid-gas separation unit, and a hydrogen separation unit. The fuel cell unit generates electricity and produces a fuel cell unit effluent stream containing hydrogen from a feed containing natural gas and water. The fuel cell unit includes a reformer, and the reformer includes a burner. The liquid-gas separation unit separates the fuel cell unit effluent stream into a liquid stream and a gas stream. The hydrogen separation unit separates the gas stream into a hydrogen stream and an off-gas stream. At least a portion of the off-gas stream is transferred to the burner of the reformer. The system can generate electricity and high purity hydrogen.Type: ApplicationFiled: January 30, 2024Publication date: August 22, 2024Inventors: Young Dae Kim, Chang Kuk Kim, Ki Yeon Jeon, Jae Suk Choi, Seung Tae Ryu, Yeo Min Yoon
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Publication number: 20240246996Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.Type: ApplicationFiled: October 3, 2023Publication date: July 25, 2024Inventors: Seon-Keun YOO, Young-Jun YU, Seong-Su JEON, Sang-Beom KIM, Gi-Baek LEE, Dae-Hyuk CHOI, Dong-Jun KIM, Jun-Tae MO
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Publication number: 20240246997Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.Type: ApplicationFiled: October 16, 2023Publication date: July 25, 2024Inventors: Seon-Keun YOO, Young-Jun Yu, Seong-Su Jeon, Sang-Beom Kim, Gi-Baek Lee, Dae-Hyuk Choi, Dong-Jun Kim, Jun-Tae Mo
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Patent number: 12046199Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.Type: GrantFiled: December 15, 2022Date of Patent: July 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dae Youn Cho, Jong Woo Park, Sang Kil Kim, Ji Ho Moon, Young Tae Choi
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Publication number: 20240227596Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.Type: ApplicationFiled: February 6, 2023Publication date: July 11, 2024Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240140224Abstract: A charging cable for an electric vehicle includes a cable main body having a flat cross-section in a width direction thereof and partitioned into a plurality of internal regions. The charging cable includes terminal portions through which positive and negative power cables, a communication/sensor cable, a coolant flow channel, and a ground pass into the plurality of internal regions, respectively. The terminal portions are arranged in a row in the width direction of the cable main body.Type: ApplicationFiled: March 3, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyung Lee, Sang Jin Lee, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240131943Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.Type: ApplicationFiled: February 6, 2023Publication date: April 25, 2024Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240123851Abstract: A electric vehicle cable mounting system includes a driving unit including a rotary disc and allowing a charging cable to be released from a side in accordance with a rotation motion of a rotary disc, a guide unit provided behind the driving unit and allowing the driving unit to move in a vertical direction in accordance with a rotation motion of the rotary disc, and a controller controlling the driving unit and the guide unit such that the charging cable is automatically released in an electric vehicle charge mode and is automatically returned in an electric vehicle charge standby mode.Type: ApplicationFiled: March 6, 2023Publication date: April 18, 2024Inventors: Woo Hyung Lee, Seung Tack Hong, Ho Choi, Young Tae Choi, Hyun Gu Lee, Su Hwan Cho
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Patent number: 11922841Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.Type: GrantFiled: September 22, 2022Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yoon Ho Kim, Jong Woo Park, June Hwan Kim, Ki Ju Im, Young Tae Choi, Hyuncheol Hwang
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Publication number: 20240063229Abstract: A display device is provided.Type: ApplicationFiled: November 3, 2023Publication date: February 22, 2024Inventors: June Hwan KIM, Tae Young KIM, Jong Woo PARK, Young Tae CHOI, Hyun Cheol HWANG, Ki Ju IM
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Patent number: 11870020Abstract: A display device may include a substrate. A first light emitting element is disposed on the substrate. A second light emitting element is disposed on the substrate and is positioned adjacent to the first light emitting element. A first encapsulation layer is disposed on the first light emitting element and the second light emitting element. A light path control layer is disposed on the first encapsulation layer. The light path control layer includes a first pattern overlapping the first light emitting element and having a first refractive index and a second pattern overlapping the second light emitting element and having a second refractive index that is greater than the first refractive index.Type: GrantFiled: October 21, 2020Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ha Yeon Shin, Jong Woo Park, Dae Youn Cho, Young Tae Choi
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Patent number: 11848330Abstract: A display device is provided.Type: GrantFiled: May 15, 2020Date of Patent: December 19, 2023Assignee: Samsung Display Co., Ltd.Inventors: June Hwan Kim, Tae Young Kim, Jong Woo Park, Young Tae Choi, Hyun Cheol Hwang, Ki Ju Im
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Publication number: 20230335058Abstract: A pixel of a display device may pre-charge a light emitting element in non-emission periods immediately before emission periods by varying a voltage level of an initialization voltage. As a result, a luminance non-uniformity phenomenon that may occur as the result of a deterioration deviation of the light emitting element may be removed or reduced.Type: ApplicationFiled: April 17, 2023Publication date: October 19, 2023Inventors: Dae Youn CHO, Jong Woo PARK, Jun Seok OH, Yoon Suk CHOI, Young Tae CHOI
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Publication number: 20230335056Abstract: A pixel including: a light emitting element; a first transistor connected between a first node and a second node, and to generate a driving current to flow from a first power line to a second power line through the light emitting element; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor; a fourth transistor connected between the third node and a third power line; a fifth transistor connected between the first power line and the first node; a sixth transistor connected between the second node and a fourth node corresponding to a first electrode of the light emitting element; a seventh transistor connected between the fourth node and a fourth power line; and an eighth transistor connected between the fourth node and a fifth power line.Type: ApplicationFiled: December 15, 2022Publication date: October 19, 2023Inventors: Dae Youn CHO, Jong Woo PARK, Sang Kil KIM, Ji Ho MOON, Young Tae CHOI
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Publication number: 20230261007Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.Type: ApplicationFiled: September 22, 2022Publication date: August 17, 2023Inventors: Yoon Ho KIM, Jong Woo PARK, JUNE HWAN KIM, Ki Ju IM, Young Tae CHOI, HYUNCHEOL HWANG