Patents by Inventor Joon Yeong Lee
Joon Yeong Lee 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: 20240166016Abstract: A vehicular air conditioning system includes: a refrigerant circulation line including first and second evaporators through which refrigerant can flow in a cooling mode, and first and second expansion valves configured to depressurize and expand the refrigerant introduced into each of the first and second evaporators; and refrigerant flow control part provided in front of the first evaporator and the first expansion valve and configured to control refrigerant flow. The first evaporator is used for cooling rear seat region of a passenger room and the refrigerant flow control part is configured to supply and block the refrigerant with respect to the first evaporator and the first expansion valve and is configured to block the refrigerant when the cooling governed by the first evaporator is controlled in a turn-off mode and supply the refrigerant to the first evaporator and the first expansion valve depending on the on/off condition of the cooling governed by the second evaporator.Type: ApplicationFiled: November 14, 2023Publication date: May 23, 2024Inventors: Hwan Kyu CHO, Jae Woo KO, Dong Gyun KIM, Chang Soo BAE, Joon Yeong LEE, Gyu Ik HAN
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Publication number: 20240149642Abstract: A vehicle air conditioner for minimizing the leakage of air through a dual blocking structure between upper and lower flow paths, and having a dual blocking structure. An air-conditioning case having an inner air flow path is divided into an upper flow path and a lower flow path. A heat exchanger for cooling and a heat exchanger for heating are provided in the air flow path of the air-conditioning case. A member having through-holes is disposed downstream of the heat exchanger for heating in the flow direction of air and allows the air that has passed through the heat exchanger for heating to pass therethrough. The member having through-holes has a horizontal member dividing the upper flow path from the lower flow path. A leakage-preventing means is overlapped with the horizontal member so as to prevent the air in the upper flow path and the lower flow path from mixing.Type: ApplicationFiled: April 22, 2022Publication date: May 9, 2024Inventors: Gyu Ik HAN, Jae Woo KO, Ki Jung PARK, Joon Yeong LEE, Ki Man JEON
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Publication number: 20240111189Abstract: A display apparatus includes a liquid crystal panel disposed on a back-light unit; and a viewing angle control unit disposed between the back-light unit and the liquid crystal panel, wherein the viewing angle control unit includes light-blocking patterns having a light-blocking material and variable patterns disposed between a first control electrode and a second control electrode, wherein the variable patterns are extended in a direction perpendicular to the light-blocking patterns, and wherein transmittance of each variable pattern is changed according to a voltage applied to the first control electrode and the second control electrode, thereby preventing a distraction of people around a user by selectively sharing a realized image.Type: ApplicationFiled: December 15, 2023Publication date: April 4, 2024Applicant: LG Display Co., Ltd.Inventors: Jae Yeong CHOI, Joon Ho LEE, Dae Yun IM
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Patent number: 11923216Abstract: 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: GrantFiled: August 22, 2022Date of Patent: March 5, 2024Assignees: 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
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Patent number: 11925098Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.Type: GrantFiled: November 8, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
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Patent number: 11038667Abstract: The present disclosure relates to a phase synchronization device, and more specifically, to a stochastic RF phase synchronization system (SRFPS) for correcting a phase error of a recovered signal on the basis of an RF signal received through a receiver. The phase synchronization device according to an exemplary embodiment of the present disclosure includes: a sampling unit for outputting a sampling value by sampling a recovered signal based on a predetermined threshold voltage value; a phase shift control unit for calculating a cost value for the recovered signal by using a histogram function generated on the basis of the sampling value, and determining an optimal phase offset value on the basis of the cost value; and a phase shift unit for shifting the phase of an oscillation signal according to the optimal phase offset value.Type: GrantFiled: October 30, 2018Date of Patent: June 15, 2021Inventors: Joon Yeong Lee, Hyo Sup Won
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Publication number: 20200389286Abstract: The present disclosure relates to a phase synchronization device, and more specifically, to a stochastic RF phase synchronization system (SRFPS) for correcting a phase error of a recovered signal on the basis of an RF signal received through a receiver. The phase synchronization device according to an exemplary embodiment of the present disclosure includes: a sampling unit for outputting a sampling value by sampling a recovered signal based on a predetermined threshold voltage value; a phase shift control unit for calculating a cost value for the recovered signal by using a histogram function generated on the basis of the sampling value, and determining an optimal phase offset value on the basis of the cost value; and a phase shift unit for shifting the phase of an oscillation signal according to the optimal phase offset value.Type: ApplicationFiled: October 30, 2018Publication date: December 10, 2020Inventors: Joon Yeong Lee, Hyo Sup Won
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Patent number: 10777868Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part comprising two or more dielectrics having different permittivity; and a conductor part surrounding at least a part of the dielectric part.Type: GrantFiled: September 28, 2018Date of Patent: September 15, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Ha Il Song, Joon Yeong Lee, Tae Hoon Yoon, Hyo Sup Won
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Patent number: 10777865Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part; and a conductor part surrounding at least a part of the dielectric part, wherein a signal of a first frequency band is transmitted through the dielectric part, and a signal of a second frequency band lower than the first frequency band is transmitted through the conductor part.Type: GrantFiled: September 28, 2018Date of Patent: September 15, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Ha Il Song, Joon Yeong Lee, Tae Hoon Yoon, Hyo Sup Won
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Patent number: 10770774Abstract: The present invention relates to a microstrip-waveguide transition for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a microstrip-waveguide transition for transmission of electromagnetic wave signals, comprising: a feeding part for providing an electromagnetic wave signal to be transmitted through the waveguide; and a ground part formed at a predetermined interval from the feeding part, wherein the microstrip and the waveguide are coupled alongside each other along a length direction of the waveguide, and wherein a distance between the feeding part and the ground part in a direction perpendicular to the length direction of the waveguide is greater as it is closer to the waveguide.Type: GrantFiled: September 28, 2018Date of Patent: September 8, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Ha Il Song, Joon Yeong Lee, Tae Hoon Yoon, Hyo Sup Won
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Publication number: 20190103647Abstract: The present invention relates to a microstrip-waveguide transition for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a microstrip-waveguide transition for transmission of electromagnetic wave signals, comprising: a feeding part for providing an electromagnetic wave signal to be transmitted through the waveguide; and a ground part formed at a predetermined interval from the feeding part, wherein the microstrip and the waveguide are coupled alongside each other along a length direction of the waveguide, and wherein a distance between the feeding part and the ground part in a direction perpendicular to the length direction of the waveguide is greater as it is closer to the waveguide.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min BAE, Ha Il SONG, Joon Yeong LEE, Tae Hoon YOON, Hyo Sup WON
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Publication number: 20190067775Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part comprising two or more dielectrics having different permittivity; and a conductor part surrounding at least a part of the dielectric part.Type: ApplicationFiled: September 28, 2018Publication date: February 28, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min BAE, Ha Il SONG, Joon Yeong LEE, Tae Hoon YOON, Hyo Sup WON
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Publication number: 20190067776Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part; and a conductor part surrounding at least a part of the dielectric part, wherein a signal of a first frequency band being a relatively higher frequency band is transmitted through the dielectric part, and a signal of a second frequency band being a relatively lower frequency band is transmitted through the conductor part.Type: ApplicationFiled: September 28, 2018Publication date: February 28, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min BAE, Ha Il SONG, Joon Yeong LEE, Tae Hoon YOON, Hyo Sup WON
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Patent number: 10128557Abstract: The present invention relates to a microstrip circuit and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a microstrip circuit. The microstrip circuit includes a feeding line providing a signal, a probe being connected to one end of the feeding line, and a patch emitting the signal to a waveguide. The patch is disposed in a layer opposite to a layer in which the feeding line and the probe are disposed, with a core substrate being positioned therebetween. At least one of length of the probe, thickness of the core substrate, and permittivity of the core substrate is determined based on bandwidth of a transition between the microstrip circuit and the waveguide.Type: GrantFiled: November 3, 2016Date of Patent: November 13, 2018Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Ha II Song, HuXian Jin, Joon Yeong Lee, Hyo Sup Won, Tae Hoon Yoon
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Patent number: 9768789Abstract: The CDR (Clock Data Recovery) device may include at least one or more CDR channels configured to receive input data stream; and a global clock generator configured to provide a frequency locked clock to each of the at least one or more CDR channels, wherein each of the at least one or more CDR channels creates a reference clock signal for the global clock generator.Type: GrantFiled: February 5, 2014Date of Patent: September 19, 2017Assignee: Korea Advanced Insitute of Science and TechnologyInventors: Hyeon Min Bae, Joon-Yeong Lee
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Publication number: 20170141450Abstract: The present invention relates to a microstrip circuit and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a microstrip circuit. The microstrip circuit includes a feeding line providing a signal, a probe being connected to one end of the feeding line, and a patch emitting the signal to a waveguide. The patch is disposed in a layer opposite to a layer in which the feeding line and the probe are disposed, with a core substrate being positioned therebetween. At least one of length of the probe, thickness of the core substrate, and permittivity of the core substrate is determined based on bandwidth of a transition between the microstrip circuit and the waveguide.Type: ApplicationFiled: November 3, 2016Publication date: May 18, 2017Applicant: Korea Advanced Institute of Science and TechnologyInventors: Hyeon Min BAE, Ha II SONG, HuXian JIN, Joon Yeong LEE, Hyo Sup WON, Tae Hoon YOON
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Publication number: 20160336942Abstract: The CDR (Clock Data Recovery) device may include at least one or more CDR channels configured to receive input data stream; and a global clock generator configured to provide a frequency locked clock to each of the at least one or more CDR channels, wherein each of the at least one or more CDR channels creates a reference clock signal for the global clock generator.Type: ApplicationFiled: February 5, 2014Publication date: November 17, 2016Inventors: Hyeon Min BAE, Joon-Yeong LEE
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Patent number: 9166605Abstract: The proposed invention is about an improved method for serial-in and serial-out transceiver applications. The proposed system includes a dual loop phase locked loop (PLL) architecture having a PLL and a phase rotator (PR)-based delay locked loop (DLL). An advantage of this architecture is that a single PLL offers decoupled bandwidths; a wide jitter-tolerance (JTOL) bandwidth for receiving data and a narrow jitter transfer (JTRAN) bandwidth for the data transmission. Thus, the amount of jitter at the output can be substantially reduced relative to the input while offering sufficient jitter tracking bandwidth. Also, this architecture is suitable for low-power applications since a phase shifter in the data path, which is one of the most power-hungry blocks in conventional DPLL designs, is not required.Type: GrantFiled: March 18, 2013Date of Patent: October 20, 2015Assignee: TeraSquare Co., Ltd.Inventors: Hyeon Min Bae, Tae Hun Yoon, Joon Yeong Lee
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Patent number: 9065653Abstract: Exemplary embodiments of the present invention relate to an internal jitter tolerance tester. The internal jitter tolerance tester may include a digital loop filter consisting of a cyclic accumulator which accumulates a phase detector's output, a gain multiplier, an internal accumulated jitter generator (or an internal sinusoid jitter generator), and a phase rotator (or DCO) controller. The internal accumulated jitter generator may include a PRBS generator, a digital loop filter, an accumulator, and a gain controller. The accumulated jitter generator also may be replaced with the internal sinusoid jitter generator. The internal sinusoid jitter generator may include a counter, a sinusoid jitter profile lookup table, and a gain controller.Type: GrantFiled: November 1, 2013Date of Patent: June 23, 2015Assignees: Korea Advanced Institute of Science & Technology, Terasquare Co., Ltd.Inventors: HyunMin Bae, Joon Yeong Lee, Jin Ho Park, Tae Ho Kim
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Publication number: 20150124861Abstract: Exemplary embodiments of the present invention relate to an internal jitter tolerance tester. The internal jitter tolerance tester may include a digital loop filter consisting of a cyclic accumulator which accumulates a phase detector's output, a gain multiplier, an internal accumulated jitter generator (or an internal sinusoid jitter generator), and a phase rotator (or DCO) controller. The internal accumulated jitter generator may include a PRBS generator, a digital loop filter, an accumulator, and a gain controller. The accumulated jitter generator also may be replaced with the internal sinusoid jitter generator. The internal sinusoid jitter generator may include a counter, a sinusoid jitter profile lookup table, and a gain controller.Type: ApplicationFiled: November 1, 2013Publication date: May 7, 2015Applicants: TeraSquare Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: HyunMin BAE, Joon Yeong LEE, Jin Ho PARK, Tae Ho KIM