Patents by Inventor Jin Hwan Jung
Jin Hwan Jung 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).
-
Patent number: 11963439Abstract: 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: GrantFiled: August 24, 2022Date of Patent: April 16, 2024Assignee: 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: 11941637Abstract: Disclosed is a method of processing item sales information by an electronic apparatus including acquiring a purchase request including item information related to an item selected by a user and information related to a payment means, providing a purchase response including approval information corresponding to the purchase request before proceeding with payment through the payment means in response to the purchase request when the information related to the payment means satisfies a first condition, transmitting a release request for the item to a first server; and requesting payment for at least some of an amount corresponding to one or more purchase requests related to the payment means according to an arrival of settlement timing corresponding to the payment means.Type: GrantFiled: March 23, 2021Date of Patent: March 26, 2024Assignee: Coupang Corp.Inventors: Zee Young Min, Ki Hyun Jeong, Il Hyun Seo, Hyun Ju Cho, Jin Hwan Kim, Hyun Yong Jung, Min Yong Yuk, Ho Hyun Lim, Jin Hyuk Kim
-
Publication number: 20240097061Abstract: The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.Type: ApplicationFiled: November 7, 2023Publication date: March 21, 2024Inventors: Hwa Nyeon Kim, Ju Hwan Yun, Jong Hwan Kim, Bum Sung Kim, II Hyoung Jung, Jin Ah Kim
-
Patent number: 11937476Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.Type: GrantFiled: May 4, 2023Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
-
Publication number: 20240080228Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.Type: ApplicationFiled: April 13, 2023Publication date: March 7, 2024Inventors: Jin Ook JUNG, Jae Woo PARK, Myoung Bo KWAK, Young Min KU, Kyoung Jun ROH, Jung Hwan CHOI
-
Patent number: 11811434Abstract: A wireless device driving method includes hiding a header emulated with a second protocol in a payload of a packet defined with a first protocol and transmitting the emulated header at a transmission side, receiving the emulated header and an ambient signal at a reception side, and decoding the ambient signal according to the second protocol to obtain a bit sequence.Type: GrantFiled: August 3, 2020Date of Patent: November 7, 2023Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Woo Jae Jeong, Song Min Kim, Jin Hwan Jung, Seok Won Yang, Yung Yi
-
Publication number: 20230013763Abstract: A modulation scheme conversion device includes: a backscattering tag to which a tag signal is provided; and a tag signal forming unit for forming a tag signal. The modulation scheme conversion device multiplies a radio signal, which has been modulated in a first modulation scheme, and a tag signal, and reconfigures the multiplied signal by using a second modulation scheme, so as to backscatter the reconfigured signal, wherein the reconfiguration is performed in a physical (PHY) layer.Type: ApplicationFiled: August 3, 2020Publication date: January 19, 2023Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Hwan JUNG, Song Min KIM, Ji Hoon RYOO, Yung YI
-
Publication number: 20220311454Abstract: A wireless device driving method includes hiding a header emulated with a second protocol in a payload of a packet defined with a first protocol and transmitting the emulated header at a transmission side, receiving the emulated header and an ambient signal at a reception side, and decoding the ambient signal according to the second protocol to obtain a bit sequence.Type: ApplicationFiled: August 3, 2020Publication date: September 29, 2022Applicant: Korea Advanced Institute of Science and TechnologyInventors: Woo Jae JEONG, Song Min KIM, Jin Hwan JUNG, Seok Won YANG, Yung YI
-
Patent number: 10971998Abstract: A charging apparatus for an electric vehicle is provided. The apparatus includes an AC power input terminal receiving one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector having full bridge circuits receives the AC input power through the AC power input terminal. A link capacitor is charged through the power factor corrector. A first switch connects any one of an AC power input line and a neutral line of the AC power input terminal to the power factor corrector and a second switch selectively connects the AC power input terminal to the power factor corrector, or the link capacitor. The power factor corrector and the switch network operate based on a condition of received AC input power. The second switch includes a third switch and a fourth switch that connect each full bridge circuit to a positive battery electrode.Type: GrantFiled: December 10, 2018Date of Patent: April 6, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jongpil Kim, Woo Young Lee, Gyu Yeong Choe, Hyun-Wook Seong, JinYoung Yang, Jung Hong Joo, DongGyun Woo, Dong Sup Ahn, Hyung Bin Ihm, Youngkook Lee, Jin Hwan Jung, SeungHyun Han, Sihun Yang
-
Patent number: 10771005Abstract: An inverter system for a vehicle includes: an energy storage device configured to store electrical energy, a first inverter including a plurality of first switching elements and configured to convert the electrical energy stored in the energy storage device into alternating-current (AC) electric power, a second inverter including a plurality of second switching elements different from the plurality of first switching elements, a motor configured to be driven by receiving the AC power converted by the first inverter and the second inverter, current sensors disposed between the first inverter and the motor and the second inverters and the motor, respectively, and configured to detect a current input to the motor, and a controller configured to generate a pulse width modulation (PWM) signal for controlling driving of the motor.Type: GrantFiled: April 19, 2019Date of Patent: September 8, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Beom Sik Kim, Jin Hwan Jung, Sang Cheol Shin, Ji Woong Jang, Ki Young Jang, Ki Jong Lee
-
Publication number: 20200153544Abstract: The present invention relates to a decoding method of a software modem in a limited memory environment using overlapping fragmentation and progressive decoding, which processes packets in real-time and reduces power consumption in an environment in which memory is limited when the software modem is used, and the decoding method includes: (a) receiving a data packet from the signal processing device, by the software modem; (b) fragmenting the data packet, decoding the fragments by the fragment, and transferring a decoded MAC header to the MAC module, by the software modem; (c) analyzing the MAC header and verifying whether the packet is a data packet transmitted to the MAC module itself or the packet is damaged, by the MAC module; (d) directing, when the data packet is verified, the software modem to perform additional decoding on the data packet, by the MAC module; and (e) directing, when the data packet is not verified, the software modem to drop the data packet, by the MAC module.Type: ApplicationFiled: October 31, 2019Publication date: May 14, 2020Inventors: Sung-Jun Baik, Yung Yi, Jin Hwan Jung, Joon Ki Hong, June Ha Song, Joo Hyun Kang, Eui Rim Jeong, Gun Ho Lee, So Young Ju
-
Patent number: 10651772Abstract: An inverter system for vehicles according to the present disclosure may include: an energy storage storing electrical energy; a first inverter which includes a plurality of first switches and converts the energy stored in the energy storage into AC power; a second inverter which includes a plurality of second switches, which are different from the first switches, is connected in parallel with the first inverter to the energy storage and converts the energy stored in the energy storage into AC power; a motor driven by receiving the AC power converted through the first inverter and the second inverter; and a controller for controlling operations of the first inverter and the second inverter based on power requirements of the motor.Type: GrantFiled: September 26, 2018Date of Patent: May 12, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Beom Sik Kim, Jin Hwan Jung, Ki Young Jang
-
Patent number: 10651775Abstract: An inverter system for a vehicle may include an energy storage device configured to store electrical energy; a first inverter including a plurality of first switching elements, and converting the energy into AC power; a second inverter including a plurality of second switching elements different from the first switching elements, being connected to the energy storage device in parallel with the first inverter, and converting the energy into AC power; a motor driven by receiving the AC power; a PWM signal generating device configured to generate a reference Pulse-width modulation (PWM) signal for controlling driving of the motor; and a PWM signal converting device configured to convert the reference PWM signal into both a first PWM signal input into the first inverter to drive the first switching elements, and a second PWM signal input into the second inverter to drive the second switching elements.Type: GrantFiled: September 17, 2018Date of Patent: May 12, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ji Woong Jang, Ki Young Jang, Jin Hwan Jung, Sang Cheol Shin, Beom Sik Kim, Ki Jong Lee
-
Publication number: 20200144954Abstract: An inverter system for a vehicle includes: an energy storage device configured to store electrical energy, a first inverter including a plurality of first switching elements and configured to convert the electrical energy stored in the energy storage device into alternating-current (AC) electric power, a second inverter including a plurality of second switching elements different from the plurality of first switching elements, a motor configured to be driven by receiving the AC power converted by the first inverter and the second inverter, current sensors disposed between the first inverter and the motor and the second inverters and the motor, respectively, and configured to detect a current input to the motor, and a controller configured to generate a pulse width modulation (PWM) signal for controlling driving of the motor.Type: ApplicationFiled: April 19, 2019Publication date: May 7, 2020Inventors: Beom Sik KIM, Jin Hwan JUNG, Sang Cheol SHIN, Ji Woong JANG, Ki Young JANG, Ki Jong LEE
-
Patent number: 10640001Abstract: A wireless power transfer (WPT) method for an electric vehicle (EV) may include a vehicle controller or a vehicle assembly (VA) controller connected to the vehicle controller performing communications, for charging of a battery of the EV, with a ground assembly (GA) controller of a charger connected to a primary coil or a primary pad located outside the EV; and connecting the battery to a field winding of a driving motor of the EV before starting the WPT. The battery is charged by a power magnetically induced at the field winding from the primary coil.Type: GrantFiled: October 19, 2017Date of Patent: May 5, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Bum Sik Kim, Jin Hwan Jung, Hyeon Uk Kim, Ki Young Jang, Gyu Yeong Choe
-
Publication number: 20190326844Abstract: An inverter system for a vehicle may include an energy storage device configured to store electrical energy; a first inverter including a plurality of first switching elements, and converting the energy into AC power; a second inverter including a plurality of second switching elements different from the first switching elements, being connected to the energy storage device in parallel with the first inverter, and converting the energy into AC power; a motor driven by receiving the AC power; a PWM signal generating device configured to generate a reference Pulse-width modulation (PWM) signal for controlling driving of the motor; and a PWM signal converting device configured to convert the reference PWM signal into both a first PWM signal input into the first inverter to drive the first switching elements, and a second PWM signal input into the second inverter to drive the second switching elements.Type: ApplicationFiled: September 17, 2018Publication date: October 24, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Ji Woong JANG, Ki Young JANG, Jin Hwan JUNG, Sang Cheol SHIN, Beom Sik KIM, Ki Jong LEE
-
Publication number: 20190319571Abstract: An inverter system for vehicles according to the present disclosure may include: an energy storage storing electrical energy; a first inverter which includes a plurality of first switches and converts the energy stored in the energy storage into AC power; a second inverter which includes a plurality of second switches, which are different from the first switches, is connected in parallel with the first inverter to the energy storage and converts the energy stored in the energy storage into AC power; a motor driven by receiving the AC power converted through the first inverter and the second inverter; and a controller for controlling operations of the first inverter and the second inverter based on power requirements of the motor.Type: ApplicationFiled: September 26, 2018Publication date: October 17, 2019Inventors: Beom Sik KIM, Jin Hwan JUNG, Ki Young JANG
-
Publication number: 20190312509Abstract: A charging apparatus for an electric vehicle is provided. The apparatus includes an AC power input terminal receiving one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector having full bridge circuits receives the AC input power through the AC power input terminal. A link capacitor is charged through the power factor corrector. A first switch connects any one of an AC power input line and a neutral line of the AC power input terminal to the power factor corrector and a second switch selectively connects the AC power input terminal to the power factor corrector, or the link capacitor. The power factor corrector and the switch network operate based on a condition of received AC input power. The second switch includes a third switch and a fourth switch that connect each full bridge circuit to a positive battery electrode.Type: ApplicationFiled: December 10, 2018Publication date: October 10, 2019Inventors: Jongpil Kim, Woo Young Lee, Gyu Yeong Choe, Hyun-Wook Seong, JinYoung Yang, Jung Hong Joo, DongGyun Woo, Dong Sup Ahn, Hyung Bin Ihm, Youngkook Lee, Jin Hwan Jung, SeungHyun Han, Sihun Yang
-
Patent number: 10377250Abstract: A system and a method of controlling charge of a vehicle battery are provided. In particular, when a voltage of the vehicle battery is different from an output voltage of a commercially available quick charger, a compatibility problem is solved through a converter, thereby allowing an inverter, an electric motor, and a connector to have an increased efficiency and to maximize a reduction in size, weight, and material cost thereof.Type: GrantFiled: October 24, 2017Date of Patent: August 13, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Young Lee, Jin Hwan Jung, Young Jin Kim, Dong Sup Ahn, Byeong Seob Song, Gyu Yeong Choe
-
Patent number: 10358041Abstract: An electric vehicle includes: a battery configured to be charged with a first voltage; and a converter configured to boost, when power of a second voltage that is lower than the first voltage is received, the power of the second voltage to the first voltage, and to transfer the first voltage to the battery, so that the battery is charged with power of the first voltage, wherein when the power of the first voltage is received, the power of the first voltage is transferred to the battery to charge the battery.Type: GrantFiled: December 6, 2017Date of Patent: July 23, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Young Lee, Gyu Yeong Choe, Jung Hong Joo, Dong Sup Ahn, Jin Hwan Jung, Byeong Seob Song, Sihun Yang