Patents by Inventor Woo Young Choi
Woo Young 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: 11985580Abstract: An electronic device includes a narrowband internet of things (NB-IoT) circuit; a shared central processor to control the narrowband internet of things circuit; a shared memory to store data or code from the shared central processor; and a communicator controlled by the shared central processor. The communicator stores the data or the code in the shared memory.Type: GrantFiled: June 27, 2023Date of Patent: May 14, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo Young Choi, Dong Yun Kim, Ivan Galkin, Ji-Hoon Park, Jong-Jin Lee
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Publication number: 20240124032Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.Type: ApplicationFiled: June 29, 2023Publication date: April 18, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Eun Young CHOI, Woo Jin KIM, Ki Seok SEONG, Dong Il YANG, Da Ye PYUN
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Publication number: 20240116086Abstract: A substrate processing facility includes a cleaning device for cleaning a substrate; and a drying device for drying the substrate cleaned by the cleaning device with a supercritical gas, wherein the cleaning device includes a sulfuric acid cleaning chamber.Type: ApplicationFiled: March 6, 2023Publication date: April 11, 2024Inventors: Yong Hyun CHOI, Woo Young KIM, Dong Gyu JIN
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Patent number: 11956963Abstract: A 3-dimensional flash memory device and methods of fabricating and driving the same are provided. The device includes: a channel layer extending over a substrate in a first direction perpendicular to a surface of the substrate; an information storing layer extending along a sidewall of the channel layer in the first direction; control gates each surrounding the channel layer, with the information storing layer between the channel layer and the control gates; an insulating layer being between the control gates in the first direction and separating the control gates from each other; a fixed charge region disposed at an interface of the insulating layer and the information storing layer or in a portion of the information storing layer between the control gates in the first direction; and a doped region induced by the fixed charge region and disposed at a surface of the channel layer facing the fixed charge region.Type: GrantFiled: July 29, 2022Date of Patent: April 9, 2024Assignees: SK hynix Inc., SOGANG UNIVERSITY RESEARCH FOUNDATIONInventor: Woo Young Choi
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Patent number: 11955611Abstract: An equipment for inspecting a secondary battery is provided. The equipment includes a loading device on which a secondary battery is loaded in an upright position, and a side portion inspecting device which inspects a side portion of the secondary battery loaded on the loading device, wherein the side portion inspecting device comprises an elevation unit which lifts the secondary battery loaded on the loading device so as to be withdrawn out of the loading device and allows the secondary battery to return to its original position after a first period of time elapses and a side portion inspecting unit which captures an image of the side portion of the secondary battery, which is withdrawn out of the loading device by the elevation unit, thereby inspecting the side portion of the secondary battery.Type: GrantFiled: December 23, 2019Date of Patent: April 9, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Tae Young Kim, Dong Hyung Lee, Woo Young Choi, Sang Ho Nam
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Patent number: 11949153Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.Type: GrantFiled: October 14, 2022Date of Patent: April 2, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Tae Young Kim, In Young Lee, Sang Hoon Choi, Woo Suk Kang, Jae Won Choe, Jae Bong Chun
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Publication number: 20240097119Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicants: HYUNDAI MOTOR COMPANY, Kia CorporationInventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
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Publication number: 20240097251Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.Type: ApplicationFiled: March 29, 2022Publication date: March 21, 2024Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
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Publication number: 20240081293Abstract: An apparatus for monitoring a biological condition of pregnant breeding cattle includes a training data collection unit to select and use at least two of an implantable device, a wearable device or an imaging device as a training data collection device to create multiple training data, a prediction model training unit to pre-train a prediction model through the multiple training data, a device cooperation cases setting unit to decide and store device cooperation cases by collecting and analyzing sensing data acquired through the training data collection devices, a device cooperation conducting unit to preprocess the sensing data of a monitoring device according to the device cooperation cases when at least one of the training data collection devices is selected as the monitoring device, and a biological condition prediction unit to predict and output a biological condition corresponding to the sensing data preprocessed through the prediction model.Type: ApplicationFiled: December 27, 2022Publication date: March 14, 2024Inventors: Sang Hyon PAK, Gil Yang PARK, Won Yup PARK, Woo Young CHOI
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Publication number: 20240064968Abstract: Provided is a semiconductor memory device comprising an active region extending in a cell isolation layer, wherein the active region includes a first region and a second region; a bit line intersects the active region; a bit line contact between a substrate and the bit line, wherein the bit line contact is electrically connected to the first region; a bit line spacer that is on side surfaces of the bit line and the bit line contact; a node pad on a lateral side of the bit line spacer, wherein the node pad is electrically connected to the second region; a storage contact that is on the node pad and on a side surface of the bit line spacer, wherein the storage contact includes a first part having a first width and a second part having a second width different from the first width.Type: ApplicationFiled: May 22, 2023Publication date: February 22, 2024Inventors: Woo Young CHOI, Hui-Jung KIM, Ji Hoon SUNG, Ga Eun CHOI, Sang Kyu SUN
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Patent number: 11825217Abstract: Disclosed is an image sensing device including a pixel array, wherein the pixel array includes a first sub-pixel array including pixels each having a green filter and disposed in a first diagonal direction, and pixels each having a white filter and disposed in a second diagonal direction, a second sub-pixel array including pixels each having the green filter and disposed in the first diagonal direction, and pixels each having the white filter and disposed in the second diagonal direction, a third sub-pixel array including pixels each having a red filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction, and a fourth sub-pixel array including pixels each having a blue filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction.Type: GrantFiled: March 29, 2022Date of Patent: November 21, 2023Assignee: SK hynix Inc.Inventors: Su Ram Cha, Jong Heon Kim, Woo Young Choi
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Patent number: 11821949Abstract: The present disclosure relates to a contact monitoring device for a vacuum circuit breaker, which may compensate for errors of a contact monitoring device capable of monitoring a contact wear amount in a vacuum interrupter, and to a vacuum circuit breaker comprising same. According to the present disclosure, the contact monitoring device for a vacuum circuit breaker may determine an appropriate time for maintenance and repair by monitoring in real time a contact wear amount using a photosensor. Moreover, the contact monitoring device for a vacuum circuit breaker, by using two photosensors, minimizes position errors with respect to the photosensors or a push rod that may be present inherently in the sensors or occur due to an installation state, and thus, may detect the contact wear amount with precision.Type: GrantFiled: March 9, 2020Date of Patent: November 21, 2023Assignee: LS ELECTRIC CO., LTD.Inventors: Woo-Young Choi, Hyun-Wook Lee
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Publication number: 20230345219Abstract: An electronic device includes a narrowband internet of things (NB-IoT) circuit; a shared central processor to control the narrowband internet of things circuit; a shared memory to store data or code from the shared central processor; and a communicator controlled by the shared central processor. The communicator stores the data or the code in the shared memory.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Inventors: Woo Young CHOI, Dong Yun KIM, Ivan GALKIN, Ji-Hoon PARK, Jong-Jin LEE
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Patent number: 11715760Abstract: A semiconductor device including a device isolation layer defining an active region; a first trench in the device isolation layer; a second trench in the active region; a main gate electrode structure filling a portion of the first trench and including a first barrier conductive layer and a main gate electrode; a pass gate electrode structure filling a portion of the second trench and including a second barrier conductive layer and a pass gate electrode; a support structure filling another portion of the second trench above the pass gate electrode; a first capping pattern filling another portion of the first trench above the main gate electrode; and a second gate insulating layer extending along a bottom and sidewall of the second trench, wherein the second barrier conductive layer is between the second gate insulating layer and the pass gate electrode and extends along a bottom and sidewall thereof.Type: GrantFiled: January 28, 2022Date of Patent: August 1, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hui-Jung Kim, Kyu Jin Kim, Sang-Il Han, Kyu Hyun Lee, Woo Young Choi, Yoo Sang Hwang
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Patent number: 11700519Abstract: An electronic device includes a narrowband internet of things (NB-IoT) circuit; a shared central processor to control the narrowband internet of things circuit; a shared memory to store data or code from the shared central processor; and a communicator controlled by the shared central processor. The communicator stores the data or the code in the shared memory.Type: GrantFiled: June 9, 2022Date of Patent: July 11, 2023Inventors: Woo Young Choi, Dong Yun Kim, Ivan Galkin, Ji-Hoon Park, Jong-Jin Lee
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Patent number: 11675464Abstract: A touch input sensing device configured to be added to an electronic device, the electronic device including a touch input unit, the touch input unit including a first touch member integrated with a housing. The touch input sensing device includes a resonant circuit configured to generate a resonance signal having a resonant frequency that varies based on a touch of the touch input unit, a digital frequency counter configured to count a reference frequency signal based on the resonance signal, or count the resonance signal based on the reference frequency signal, to generate a count value, and a touch detector configured to detect whether the touch of the touch input unit has occurred based on the count value generated by the digital frequency counter, and output a touch detection signal indicating whether the touch has occurred.Type: GrantFiled: March 4, 2020Date of Patent: June 13, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Woo Lee, Ho Kwon Yoon, Yong Woon Ji, Dong Hun Han, Woo Young Choi, Joo Yul Ko, Je Hyuk Ryu, Byung Joo Hong
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Patent number: 11656491Abstract: Disclosed are a temperature control method of an optical modulator and an apparatus therefore. The temperature control apparatus of an optical modulator according to an exemplary embodiment of the present disclosure is to provide a temperature control method of an optical modulator which performs a calibration mode to select a heater control voltage with a maximum optical modulation amplitude (OMA) while adjusting a heater control voltage which drives a heater of the optical modulator, stores a reference temperature measurement code based on a measured temperature value of the optical modulator while driving the heater at a selected heater control voltage, and performs a lock mode which controls a temperature of the optical modulator by changing the heater control voltage using the reference temperature measurement code after stopping the optical modulation amplitude detecting operation and an apparatus therefor.Type: GrantFiled: February 25, 2021Date of Patent: May 23, 2023Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITYInventors: Woo Young Choi, Min Kyu Kim, Min Hyeong Kim
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Publication number: 20230116098Abstract: A method for testing a focusing characteristic of a camera may include setting a camera to align the camera and a first chart structured to provide a first scene for testing such that the camera is focused on the first chart disposed at a first distance from the camera, measuring a blur in an image of a second chart captured at a second distance from the camera, the second chart being structured to provide a second scene for testing, and evaluating a phase difference range (PDR) of the camera based on the measured blur and a blur calculated through a circle of confusion (CoC) model.Type: ApplicationFiled: September 8, 2022Publication date: April 13, 2023Inventors: Hun KIM, Jong Heon KIM, Woo Young CHOI
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Publication number: 20230101569Abstract: Disclosed is an image sensing device including a pixel array, wherein the pixel array includes a first sub-pixel array including pixels each having a green filter and disposed in a first diagonal direction, and pixels each having a white filter and disposed in a second diagonal direction, a second sub-pixel array including pixels each having the green filter and disposed in the first diagonal direction, and pixels each having the white filter and disposed in the second diagonal direction, a third sub-pixel array including pixels each having a red filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction, and a fourth sub-pixel array including pixels each having a blue filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction.Type: ApplicationFiled: March 29, 2022Publication date: March 30, 2023Inventors: Su Ram CHA, Jong Heon KIM, Woo Young CHOI
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Publication number: 20230063076Abstract: Disclosed is a content addressable memory device including a memory cell array including a plurality of memory cells, each of which has a ferroelectric tunnel field effect transistor (FeTFET), and a match amplifier connected to the plurality of memory cells through a plurality of match lines. The FeTFET includes a first doped region including a first conductivity type, a second doped region including a second conductivity type different from the first conductivity type, a channel region formed between the first doped region and the second doped region, and a gate formed on the channel region and including a ferroelectric layer.Type: ApplicationFiled: August 23, 2022Publication date: March 2, 2023Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Sogang University Research & Business Development FoundationInventor: Woo Young CHOI