Patents by Inventor Sungsoo Choi

Sungsoo 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).

  • Publication number: 20240113302
    Abstract: A porous silicon composite includes: a porous core including a porous silicon composite secondary particle; and a shell disposed on a surface of the porous core and surrounding the porous core, wherein the porous silicon composite secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a first graphene on a surface of the silicon suboxide, wherein the shell include a second graphene, and at least one of the first graphene and the second graphene includes at least one element selected from nitrogen, phosphorus, and sulfur.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 4, 2024
    Inventors: Inhyuk SON, Mijong KIM, Jumyeung LEE, Minwoo LIM, Junghyun CHOI, Sungsoo HAN
  • Publication number: 20240104695
    Abstract: A processor of a wearable device is provided. The processor includes obtaining posture information of the wearable device in a space including the wearable device, based on classification information for selecting at least one feature point within pixels based on differences between pixels included in a first frames output from a first camera, identifying resolutions of each of a plurality of areas included in field-of-view (FoV) formed based on a display, based on the number of feature points obtained in each of the plurality of areas by the classification information, and changing resolution, among resolutions identified based on gaze information indicating gaze of user wearing the wearable device, corresponding to a first area, among a plurality of areas, to resolution larger than resolution corresponding to second area.
    Type: Application
    Filed: June 13, 2023
    Publication date: March 28, 2024
    Inventors: Boyoung LEE, Sungoh KIM, Donghyun YEOM, Daehee KIM, Suhyung KIM, Jihyun KIM, Sanghun LEE, Yongil CHO, Sungsoo CHOI
  • Patent number: 11917759
    Abstract: An electronic device includes: a housing including a plate and a back plate facing a second surface of the plate and including a planar area facing a first direction, a display module including a display disposed on a first surface of the plate, a battery and a circuit board disposed on the second surface of the plate, a first flexible substrate extending from the display module, and a second flexible substrate extending from the circuit board to the first flexible substrate across the battery. The first flexible substrate includes a first connector, and the second flexible substrate includes a second connector. The first flexible substrate and the second flexible substrate are configured such that the first connector and the second connector are coupled in a second direction different from the first direction.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: February 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungsoo Jun, Changho Park, Jinman Kim, Munjin Jeong, Wooyoung Jeong, Namjun Kim, Yonghwa Kim, Dongmyeong Park, Youngmoon Park, Youngkyu Kim, Minwoo Yoo, Hyunsuk Choi
  • Patent number: 11915651
    Abstract: An electroluminescent display including pixels arranged in a matrix is disclosed. Each pixel includes a pixel circuit configured to sample a threshold voltage of a driving element for driving a light emitting element and compensate for a data voltage. The pixel circuit includes a first switch element connected to a data voltage path supplied with the data voltage, a second switch element connected to a reference voltage path supplied with a predetermined reference voltage, a third switch element connected between a gate of the driving element and the first and second switch elements, a fourth switch element connected to an initialization voltage path supplied with a predetermined initialization voltage, and a fifth switch element connected to a power path supplied with a predetermined pixel driving voltage higher than the reference voltage and the initialization voltage.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: February 27, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Sungsoo Shin, Sohee Choi, Yewon Hong
  • Publication number: 20230207281
    Abstract: A substrate processing apparatus includes a lower plate in a chamber, an electrostatic chuck on the lower plate, the electrostatic chuck including a first step surface, an intermediate ring disposed on the first step surface of the electrostatic chuck, a lower ring surrounding a portion of the intermediate ring and an outer sidewall of the electrostatic chuck on the lower plate, an upper ring covering an upper portion of the intermediate ring, a screw extending through the electrostatic chuck into the lower plate, and a socket connected to each of the screw and the intermediate ring. Each of the screw, the socket and the intermediate ring includes a conductor.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungsoo CHOI, Wonyoung JEE
  • Patent number: 11676523
    Abstract: A method of operating a display device includes: receiving image data at an input frame frequency; generating a modulated clock signal by modulating an input clock signal according to a modulation frequency; randomly selecting an output frame frequency within a data frequency selection range, the input frame frequency being within the data frequency selection range; determining an output start timing of the image data based on the output frame frequency; initiating, at the output start timing, output of the image data in synchronization with the modulated clock signal; and displaying an image based on the outputted image data.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Sik Yoon, Daeho Hwang, Jeong-Hyun Kim, Junpyo Lee, Sungsoo Choi
  • Publication number: 20230156317
    Abstract: The disclosure relates to an artificial intelligence (AI) system that simulates a function, such as cognition and judgment, of a human brain using a machine learning algorithm, such as deep learning, and an application thereof. According to an embodiment, an electronic device may include a touchscreen, a camera, a memory, and a processor, wherein the processor may receive information about an image capturing situation from a user, may obtain a target image based on the information about the image capturing situation using a first artificial intelligence module stored in the memory, may obtain feature information included in the target image using a second artificial intelligence module stored in the memory, may store the feature information in the memory, and may store an image related to the feature information in the memory based on obtaining the image related to the feature information through the camera.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 18, 2023
    Inventor: Sungsoo CHOI
  • Publication number: 20230127821
    Abstract: An image sensor includes a pixel array including first pixels and second pixels, each of the first and second pixels including photodiodes, a sampling circuit detecting a reset voltage and a pixel voltage from the first and second pixels and generating an analog signal, an analog-to-digital converter image data from the analog signal, and a signal processing circuit generating an image using the image data. Each of the first pixels includes a first conductivity-type well separating the photodiodes and having impurities of a first conductivity-type. The photodiodes have impurities of a second conductivity-type different from the first conductivity-type. Each of the second pixels includes a second conductivity-type well separating the photodiodes and having impurities of the second conductivity-type different from the first conductivity-type. A potential level of the second conductivity-type well is higher than a potential level of the first conductivity-type well.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 27, 2023
    Inventors: Eunsub Shim, Kyungho Lee, Sungsoo ChoI
  • Patent number: 11637979
    Abstract: An image sensor includes a photodiode generating a charge in response to light, a transfer transistor connecting the photodiode and a floating diffusion, a reset transistor connected between the floating diffusion and a power node, a boosting capacitor connected to the floating diffusion, and adjusting a capacity of the floating diffusion in response to a boosting control signal, and a bias circuit having first and second current circuits for supplying different bias currents to an output node to which a voltage signal corresponding to a charge accumulated in the floating diffusion is output. The boosting control signal decreases from a high level to a low level after the transfer transistor is turned off, and the reset transistor is switched from a turned on state to a turned off state when the bias currents of the first and second current circuits are simultaneously provided to the output node.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyungho Lee, Eunsub Shim, Jungbin Yun, Sungsoo Choi, Masato Fujita
  • Publication number: 20230124111
    Abstract: An electronic device is provided.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 20, 2023
    Inventors: Donghwan SEO, Sungoh KIM, Dasom LEE, Sanghun LEE, Sungsoo CHOI
  • Publication number: 20230092590
    Abstract: An image sensor includes a substrate having first and second surfaces opposite each other, including first and second pixels adjacent to each other, a device isolation portion isolating the first and second pixels from each other in the substrate, a transfer gate on the first surface of the first and second pixels, a ground region in one of the first and second pixels, and a first color filter and a micro lens array layer stacked on the second surface. The deep device isolation portion includes first and second isolation portions vertically overlapping and spaced apart. The first isolation portion includes a first conductive pattern extending from the first surface toward the second surface, a high-concentration doped pattern on the first conductive pattern, and an insulating pattern between the first conductive pattern and the high-concentration doped pattern. The ground region and high-concentration doped pattern include dopants having the same conductivity type.
    Type: Application
    Filed: June 7, 2022
    Publication date: March 23, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Haeyong PARK, Sungsoo CHOI, Jongeun PARK
  • Publication number: 20230044820
    Abstract: An image sensor includes a substrate having a plurality of pixel regions and a deep device isolation pattern disposed in the substrate between the pixel regions. The pixel regions include first, second, third, and fourth pixel regions, which are adjacent to each other in first and second directions. The deep device isolation pattern includes first portions interposed between the first and second pixel regions and between the third and fourth pixel regions and spaced apart from each other in the second direction, and second portions interposed between the first and third pixel regions and between the second and fourth pixel regions and spaced apart from each other in the first direction. The first pixel region includes a first extended active pattern, which is extended to the second pixel region in the first direction and is disposed between the first portions of the deep device isolation pattern.
    Type: Application
    Filed: May 3, 2022
    Publication date: February 9, 2023
    Inventors: HAEYONG PARK, SUNGSOO CHOI
  • Patent number: 11532654
    Abstract: An image sensor includes a pixel array including first pixels and second pixels, each of the first and second pixels including photodiodes, a sampling circuit detecting a reset voltage and a pixel voltage from the first and second pixels and generating an analog signal, an analog-to-digital converter image data from the analog signal, and a signal processing circuit generating an image using the image data. Each of the first pixels includes a first conductivity-type well separating the photodiodes and having impurities of a first conductivity-type. The photodiodes have impurities of a second conductivity-type different from the first conductivity-type. Each of the second pixels includes a second conductivity-type well separating the photodiodes and having impurities of the second conductivity-type different from the first conductivity-type. A potential level of the second conductivity-type well is higher than a potential level of the first conductivity-type well.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eunsub Shim, Kyungho Lee, Sungsoo Choi
  • Patent number: 11450289
    Abstract: A display device includes a display panel including a gate line, a data line, a gate driver outputting a gate signal to the gate line, a data driver outputting a data voltage to the data line and a power voltage generator. The power voltage generator generates a gate-on voltage, a gate-off voltage, and a gate clock signal toggled between the gate-on voltage and the gate-off voltage, detects a current level of a gate clock current, cuts off power of the display device when a count of the gate clock current higher than or equal to a first current level is greater than or equal to a reference count, and cuts off the power of the display device when the gate clock current is higher than or equal to a second current level higher than the first current level in an initial frame after the display device is turned on.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: September 20, 2022
    Inventors: Gwangsoo Ahn, Jong Jae Lee, Sungsoo Choi
  • Patent number: 11404467
    Abstract: An image sensor includes: a pixel array outputting a pixel signal; and a column wiring unit including at least one first column routing wiring extending from the pixel array and including a first connection wiring portion and a protrusion and at least one second column routing wiring including a second connection wiring portion, wherein a sum of lengths of the at least one first connection wiring portion and the protrusion is substantially identical to a length of the at least one second connection wiring portion; and a readout circuit receiving the pixel signal from the column wiring unit.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungki Jung, Eunsub Shim, Kyungho Lee, Sungsoo Choi, Sanghyuck Moon, Hongsuk Lee
  • Publication number: 20220148531
    Abstract: A display device includes a display panel including a gate line, a data line, a gate driver outputting a gate signal to the gate line, a data driver outputting a data voltage to the data line and a power voltage generator. The power voltage generator generates a gate-on voltage, a gate-off voltage, and a gate clock signal toggled between the gate-on voltage and the gate-off voltage, detects a current level of a gate clock current, cuts off power of the display device when a count of the gate clock current higher than or equal to a first current level is greater than or equal to a reference count, and cuts off the power of the display device when the gate clock current is higher than or equal to a second current level higher than the first current level in an initial frame after the display device is turned on.
    Type: Application
    Filed: July 28, 2021
    Publication date: May 12, 2022
    Inventors: GWANGSOO AHN, JONG JAE LEE, SUNGSOO CHOI
  • Publication number: 20220108427
    Abstract: Example embodiments include a method and an electronic device for detecting and removing artifacts/degradations in media. Embodiments may detect artifacts and/or degradations in the media based on tag information indicating at least one artifact included in the media. The detection may be triggered automatically or manually. Embodiments may generate artifact/quality tag information associated with the media to indicate artifacts and/or degradations present in the media, and may store the artifact/quality tag information as metadata and/or in a database. Embodiments may identify, based on the artifact/quality tag information associated with the media, at least one artificial intelligence (AI)-based media processing model to be applied to the media to enhance the media. The at least one AI-based media processing model may be configured to enhance at least one artifact detected in the media. Embodiments may enhance the media by applying the at least one AI-based media enhancement model to the media.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Beomsu KIM, Balvinder SINGH, Alok Shankarlal SHUKLA, Jisung YOO, Narasimha Gopalakrishna PAI, Prajit Sivasankaran NAIR, Raj Narayana GADDE, Sungsoo CHOI, Sirish Kumar PASUPULETI
  • Publication number: 20220020308
    Abstract: A method of operating a display device includes: receiving image data at an input frame frequency; generating a modulated clock signal by modulating an input clock signal according to a modulation frequency; randomly selecting an output frame frequency within a data frequency selection range, the input frame frequency being within the data frequency selection range; determining an output start timing of the image data based on the output frame frequency; initiating, at the output start timing, output of the image data in synchronization with the modulated clock signal; and displaying an image based on the outputted image data.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Hyun-Sik YOON, Daeho HWANG, Jeong-Hyun KIM, Junpyo LEE, Sungsoo CHOI
  • Patent number: 11151919
    Abstract: A method of operating a display device includes: receiving image data at an input frame frequency; generating a modulated clock signal by modulating an input clock signal according to a modulation frequency; randomly selecting an output frame frequency within a data frequency selection range, the input frame frequency being within the data frequency selection range; determining an output start timing of the image data based on the output frame frequency; initiating, at the output start timing, output of the image data in synchronization with the modulated clock signal; and displaying an image based on the outputted image data.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: October 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Sik Yoon, Daeho Hwang, Jeong-Hyun Kim, Junpyo Lee, Sungsoo Choi
  • Publication number: 20210134865
    Abstract: An image sensor includes a pixel array including first pixels and second pixels, each of the first and second pixels including photodiodes, a sampling circuit detecting a reset voltage and a pixel voltage from the first and second pixels and generating an analog signal, an analog-to-digital converter image data from the analog signal, and a signal processing circuit generating an image using the image data. Each of the first pixels includes a first conductivity-type well separating the photodiodes and having impurities of a first conductivity-type. The photodiodes have impurities of a second conductivity-type different from the first conductivity-type. Each of the second pixels includes a second conductivity-type well separating the photodiodes and having impurities of the second conductivity-type different from the first conductivity-type. A potential level of the second conductivity-type well is higher than a potential level of the first conductivity-type well.
    Type: Application
    Filed: April 14, 2020
    Publication date: May 6, 2021
    Inventors: Eunsub Shim, Kyungho Lee, Sungsoo Choi