Patents by Inventor Jae Hwan Choi
Jae Hwan 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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Patent number: 11961775Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.Type: GrantFiled: November 8, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
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Publication number: 20240118196Abstract: In the case of a gas in which several gases are mixed, a type and concentration of the gas may be incorrectly measured when measured using only an optical band-pass filter. The invention of the present application is directed to providing a technology in which a plurality of broadband band-pass filters having overlapping regions are provided to calculate a magnitude of absorption for each wavelength band for light passing through each broadband band-pass filter, thereby identifying the presence of a gas of interest and the presence of a gas other than the gas of interest.Type: ApplicationFiled: September 8, 2023Publication date: April 11, 2024Inventors: Cheol Woo NAM, Byung Yul MOON, Eung Yul KIM, Jae Hwan KIM, Chun Ho SHIN, Kwang Hun PARK, Myun Gu CHOI, Chang Hwang CHOI, Yong Geol KIM, Jae Min JEON
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Publication number: 20240121984Abstract: A display device including a pixel electrode, and a pixel circuit electrically connected to the pixel electrode. The pixel circuit includes a first transistor including sub-transistors electrically connected to each other through a first common node, a second transistor including sub-transistors electrically connected to each other through a second common node, a first electrode electrically connecting the first common node with the second common node, and a second electrode disposed to overlap the first electrode and electrically connected to a direct current power source.Type: ApplicationFiled: August 25, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Han Bit KIM, Keun Woo KIM, Doo Na KIM, Sang Sub KIM, Chan Yeob SEOL, Jae Hwan CHU, Sang Gun CHOI
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Patent number: 11945744Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).Type: GrantFiled: April 14, 2023Date of Patent: April 2, 2024Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTDInventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
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Publication number: 20240101744Abstract: The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a method for preparing the same and a rubber composition including the same, and provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer, and a functional group derived from a modifier, and satisfies conditions (i) to (vii), a method for preparing the same and a rubber composition including the same.Type: ApplicationFiled: February 26, 2021Publication date: March 28, 2024Applicant: LG CHEM, LTD.Inventors: Jung Hwan Oh, Ho Young Lee, Jae Sun Choi
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Patent number: 11942553Abstract: The semiconductor device includes a substrate, a stack structure including gate patterns and interlayer insulating films that are alternately stacked on the substrate, an insulating pillar extending in a thickness direction of the substrate within the stack structure, a polycrystalline metal oxide film extending along a sidewall of the insulating pillar between the insulating pillar and the stack structure, a liner film having a transition metal between the insulating pillar and the polycrystalline metal oxide film, and a tunnel insulating film, a charge storage film, and a blocking insulating film which are disposed in order between the polycrystalline metal oxide film and the gate patterns.Type: GrantFiled: December 17, 2020Date of Patent: March 26, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Kyeong Jeong, Yun Heub Song, Chang Hwan Choi, Hyeon Joo Seul
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Patent number: 11935481Abstract: Provided is a display device, which includes: a reference voltage line formed along a circular outer line and configured to provide a reference voltage; a first reference voltage auxiliary line electrically connected to the reference voltage line and formed to be parallel with a predetermined interval; and a conductive line forming a contact with the reference voltage line and the first reference voltage auxiliary line and configured to provide the reference voltage to a cathode.Type: GrantFiled: November 11, 2021Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seung Han Jo, Min Chae Kwak, Kyeong Hwa Kim, Mi Hae Kim, Kyong Hwan Oh, Su Mi Jang, Jae-Ho Choi
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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
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Publication number: 20240068091Abstract: Disclosed is a method of forming an area-selective thin film, the method comprising supplying a nuclear growth retardant to the inside of the chamber in which the substrate is placed, so that the nuclear growth retardant is adsorbed to a non-growth region of the substrate; purging the interior of the chamber; supplying a precursor to the inside of the chamber, so that the precursor is adsorbed to a growth region of the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber, so that the reaction material reacts with the adsorbed precursor to form the thin film.Type: ApplicationFiled: January 5, 2022Publication date: February 29, 2024Applicant: EGTM Co., Ltd.Inventors: Jae Min KIM, Ha Na KIM, Woong Jin CHOI, Ji Yeon HAN, Ju Hwan JEONG, Hyeon Sik CHO
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Publication number: 20230256868Abstract: The present disclosure relates to a battery assisting apparatus and method for a fuel cell vehicle. An exemplary embodiment of the present disclosure provides a battery assisting apparatus for a fuel cell vehicle, including: a controller configured to determine an increase or decrease of driver's determination to accelerate based on a change rate of motor torque and a change rate of accelerator opening when a battery assistance mode is entered, and to release the battery assistance mode when the driver's determination to accelerate is decreased; and a storage configured to store data and algorithms driven by the controller.Type: ApplicationFiled: October 21, 2022Publication date: August 17, 2023Inventors: Sang Chul Yeom, Seung Yoon Lee, Hyo Jun Kim, Jae Hwan Choi, Jong Seok Han, Jeong Kyu Park, Jae Hoon Jeong
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Patent number: 11631874Abstract: Disclosed are a control system for a fuel cell including a fuel cell configured to receive a fuel gas and an oxidation gas and generate electric power, a current controller configured to control an output current output from the fuel cell, based on a demanded current of the fuel cell, while maintaining an output voltage output from the fuel cell at a preset voltage or more, and a restriction controller configured to estimate an output current at the preset voltage as a maximum current when the output voltage of the fuel cell drops to become equal to or smaller than the preset voltage, and restrict the output current of the fuel cell to not more than a first restriction current set based on the estimated maximum current, and a control method for a fuel cell.Type: GrantFiled: August 25, 2021Date of Patent: April 18, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Sang Chul Yeom, Jeong Kyu Park, Jae Hwan Choi, Sae Byeok Seung, Hyo Jun Kim, Jae Hoon Jeong, Dong Hoon Kim, Seung Yoon Lee
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Publication number: 20220158205Abstract: Disclosed are a control system for a fuel cell including a fuel cell configured to receive a fuel gas and an oxidation gas and generate electric power, a current controller configured to control an output current output from the fuel cell, based on a demanded current of the fuel cell, while maintaining an output voltage output from the fuel cell at a preset voltage or more, and a restriction controller configured to estimate an output current at the preset voltage as a maximum current when the output voltage of the fuel cell drops to become equal to or smaller than the preset voltage, and restrict the output current of the fuel cell to not more than a first restriction current set based on the estimated maximum current, and a control method for a fuel cell.Type: ApplicationFiled: August 25, 2021Publication date: May 19, 2022Inventors: Sang Chul Yeom, Jeong Kyu Park, Jae Hwan Choi, Sae Byeok Seung, Hyo Jun Kim, Jae Hoon Jeong, Dong Hoon Kim, Seung Yoon Lee
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Publication number: 20200216483Abstract: The present invention relates to an SMB-based fucose separation method and an apparatus therefor and, more particularly, to a method and an apparatus for continuously separating fucose from a microalgae-derived monosaccharide mixture or a multi-component mixture (monosaccharide substances, amino acid substances, and glycerol components) using an SMB process.Type: ApplicationFiled: April 16, 2018Publication date: July 9, 2020Inventors: Yong Keun CHANG, Sungyong MUN, Seokbin HONG, Jae-hwan CHOI
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Publication number: 20120199486Abstract: Provided are a CDI electrode and a method for manufacturing a module using the same. A composite electrode manufactured by the manufacturing method of the present invention can manufacture a CDI electrode capable of increasing adsorption efficiency and rate of ions and selectively adsorbing cation and anion, thereby simply and inexpensively manufacturing the CDI electrode module without using a cation-exchange membrane and an anion-exchange membrane.Type: ApplicationFiled: October 7, 2010Publication date: August 9, 2012Applicant: SION TECH CO., LTD.Inventors: Kyung Seok Kang, Won Keun Son, Jae Hwan Choi, Nam Soo Park, Tae Il Kim
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Publication number: 20120132519Abstract: Provided is an electrode using a polymeric solution containing a cation exchanger or an anion exchanger, and a capacitive electrolytic cell for deionization using the same.Type: ApplicationFiled: August 3, 2010Publication date: May 31, 2012Applicant: SION TECH CO., LTD.Inventors: Kyung-Seok Kang, Jae-Hwan Choi
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Publication number: 20110186656Abstract: A mobile terminal with perfume emission includes a perfume generator to store perfume; and a motor coupled to the perfume generator to emit the perfume to outside of the mobile terminal.Type: ApplicationFiled: October 1, 2010Publication date: August 4, 2011Applicant: PANTECH CO., LTD.Inventors: Seung Bum CHO, Dong Hyun YI, Joo Hee LEE, Jae Hwan CHOI, Hyung Hoon PARK, Goang Yel LYU, Sung Whan LEE, Su Min JUN
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Patent number: 6327467Abstract: A method for computing maximum traffic capacitance of a base station using a virtual call in the digital mobile communication system in such a way that an operator at operating terminal for Base Station Manager (BSM) inputs call-set-request instructions using the virtual call to maintain and repair the digital mobile communication system so that traffic state is set between mobile stations in the service area of test base station and a vocoder of a Base Station Controller (BSC) to compute maximum traffic capacitance of the test base station. An operator at operation terminal inputs call set information by operator instruction as much as mobile station numbers to be tested to compute maximum traffic capacitance of the base station. The BSM inputs a virtual call-set-request-instruction by means of a virtual call-set-start-flag.Type: GrantFiled: May 12, 1999Date of Patent: December 4, 2001Assignee: Hyudai Electronics Industries Co., Ltd.Inventors: Seung Bong Yang, Jae Hwan Choi, Jae Yong Jeong
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Patent number: 5770998Abstract: Device for displaying stationary/dynamic status of a car for assuring safety including a car stationary/dynamic state sensing part for detecting a change of speed of a predetermined time period sensed by a rotating slit plate mounted on a speed meter cable connecting device and a photo interrupter; a pulse generating part for converting an analog signal from the state sensing part into digital pulses and applying to an microcomputer; the microcomputer for reading in a driving data programmed in a built-in ROM in response to a signal from the pulse generating part and applying driving pulses to a relevant output port; a red LED operating part and a green LED operating part for turning on respective LEDs in a red LED array part and a green LED array part in response to the microcomputer operation output, thereby running states of car can be expressed in stationary/dynamic states of stop, slow running, acceleration, equal speed running, deceleration and reversing under the control of a microcomputer.Type: GrantFiled: December 9, 1996Date of Patent: June 23, 1998Inventors: Jae-Hwan Choi, Ho-Sik Choi
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Patent number: RE43208Abstract: A method for computing maximum traffic capacitance of a base station using a virtual call in the digital mobile communication system in such a way that an operator at operating terminal for Base Station Manager (BSM) inputs call-set-request instructions using the virtual call to maintain and repair the digital mobile communication system so that traffic state is set between mobile stations in the service area of test base station and a vocoder of a Base Station Controller (BSC) to compute maximum traffic capacitance of the test base station. An operator at operation terminal inputs call set information by operator instruction as much as mobile station numbers to be tested to compute maximum traffic capacitance of the base station. The BSM inputs a virtual call-set-request-instruction by means of a virtual call-set-start-flag.Type: GrantFiled: July 16, 2009Date of Patent: February 21, 2012Assignee: Transpacific Bluetooth, LLCInventors: Seung Bong Yang, Jae Hwan Choi, Jae Yong Jeong