Patents by Inventor Won Cho

Won Cho 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: 20250144664
    Abstract: A deposition mask includes a silicon substrate including cell areas and a mask frame area excluding the cell areas, the mask frame area including a mask rip area partitioning the cell areas and an outer frame area disposed at an outermost portion of the silicon substrate, a mask rip disposed in the mask rip area, a mask membrane disposed in each of the cell areas, a first metal frame disposed in the outer frame area, and a second metal frame surrounding an outer portion of the silicon substrate and connected to the first metal frame.
    Type: Application
    Filed: June 20, 2024
    Publication date: May 8, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kuk KIM, Sung Won CHO, Jun Ho JO
  • Publication number: 20250101626
    Abstract: A method of fabricating a deposition mask includes forming a wrinkle pattern in a mask rib region and including grooves by partially etching a front surface of a silicon substrate, forming a first photoresist pattern including first openings on a front surface of the silicon substrate in each of cell areas, growing a first plating film covering the grooves of the wrinkle pattern and a second plating film covering first openings of the first photoresist pattern, removing the first photoresist pattern, forming a second photoresist pattern in outer frame areas on a rear surface of the silicon substrate, and exposing a rear surface of metal mask ribs formed with the first plating film and a rear surface of a mask membrane formed with the second plating film by partially etching the rear surface of the silicon substrate using the second photoresist pattern.
    Type: Application
    Filed: May 31, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kuk KIM, Jin Woo LEE, Sung Won CHO
  • Publication number: 20250075305
    Abstract: A method for manufacturing a deposition mask includes depositing a seed metal layer on a front surface of a silicon substrate, forming a first photoresist pattern defining first openings on the seed metal layer, growing a plating layer in the first openings of the first photoresist pattern, forming a mask membrane by removing the first photoresist pattern and leaving the plating layer, depositing a protection layer to cover a front surface of the mask membrane, forming a second photoresist pattern defining cell opening corresponding to unit masks, respectively, on a back surface of the silicon substrate, exposing the seed metal layer by etching the back surface of the silicon substrate using the second photoresist pattern as a mask, exposing a back surface of the mask membrane by etching the seed metal layer using the second photoresist pattern as a mask, and removing the protection layer.
    Type: Application
    Filed: April 22, 2024
    Publication date: March 6, 2025
    Inventors: Jin Woo LEE, Jeong Kuk KIM, Duck Jung LEE, Sug Woo JUNG, Sung Won CHO, Jun Ho JO
  • Publication number: 20250059637
    Abstract: A deposition mask includes a mask body including a silicon substrate, where a plurality of holes is defined through the mask body, and the mask body further includes mask grids extending to define the holes. A cross section of each mask grid has a reverse tapered shape having a width increasing from a back surface to an upper surface of the deposition mask, and each side surface of each mask grid defining a hole includes a first concave curved surface.
    Type: Application
    Filed: April 16, 2024
    Publication date: February 20, 2025
    Inventors: Jun Ho JO, Sung Woon KIM, Jeong Kuk KIM, Duck Jung LEE, Il Soo LEE, Jin Woo LEE, Sug Woo JUNG, Sung Won CHO
  • Patent number: 12198624
    Abstract: A display device according to an embodiment of the specification includes a display panel including a pixel including a driving element and a light emitting device; a host system configured to render image data, which is to be applied to the pixel, change a length of a vertical blank period, and output a rendering completion signal prior to outputting the rendered image data; a timing controller configured to set a sensing period on the basis of the rendering completion signal in the vertical blank period; and a sensing circuit configured to sense an electrical characteristic of the driving element in the sensing period, wherein the sensing period starts at a first timing which is a predetermined time earlier than an end time of the vertical blank period, and a length of the predetermined time is fixed regardless of a length variation of the vertical blank period.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 14, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Won Cho, Hwa Young Kim, Joon Min Park
  • Publication number: 20250007057
    Abstract: Discussed is a battery module, which may include a plurality of battery cells each having electrode leads protruding in a first direction, the plurality of battery cells being stacked in a second direction; and a bus bar including a body portion and a junction portion, the junction portion being a portion of a body portion that is bent and electrically connected to an electrode lead among the electrode leads.
    Type: Application
    Filed: July 7, 2023
    Publication date: January 2, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Chang-Je LEE, Hee-Won CHO, So-Hee LEE
  • Patent number: 12174866
    Abstract: A method for searching a content includes receiving a predefined user input with respect to a text region; extracting, in response to the predefined user input, at least one word from the text region; creating a search condition based on the extracted at least one word; and displaying a list of contents searched based on the created search condition.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: December 24, 2024
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Sung Won Cho, Seung Hyun Yoon
  • Publication number: 20240421188
    Abstract: Provided is a semiconductor device. The semiconductor device includes a substrate including an element isolation layer defining a plurality of active areas, and a plurality of gate structures intersecting the active areas. Each of the gate structures includes a gate insulating layer including a first region containing a first material and a second region containing a second material different from the first material on the active area, and a gate electrode layer on the gate insulating layer. A concentration of the second material in the first region is less than a concentration of the second material in the second region, and a thickness of the first region is less than a thickness of the second region.
    Type: Application
    Filed: February 21, 2024
    Publication date: December 19, 2024
    Inventors: HYO KYOUNG KIM, KI WON CHO, DONG MIN SIM, SEOK WON YOON, CHUN HYUNG CHUNG
  • Publication number: 20240407245
    Abstract: A deposition mask, method for manufacturing the same, and display device manufactured using the same. The deposition mask includes a mask substrate including an opening, and a mask pattern disposed on the mask substrate and including multiple hole patterns spaced apart from each other, wherein the mask pattern includes a first portion on the mask substrate, and a second portion protruding from the first portion in a direction opposite to the mask substrate, the second portion includes a first protruding portion and a second protruding portion disposed to be adjacent to the hole patterns, and a recessed portion disposed between the first protruding portion and the second protruding portion, and a height of the recessed portion may be smaller than heights of the first protruding portion and the second protruding portion.
    Type: Application
    Filed: January 22, 2024
    Publication date: December 5, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jeong Kuk KIM, Sung Woon KIM, Sug Woo JUNG, Sung Won CHO
  • Publication number: 20240389440
    Abstract: A display device is disclosed that includes sub-pixels forming respective sub-pixel areas. Each of the sub-pixels may include: a display part; a sensor part disposed on the display part, and including a reflective electrode overlapping the sub-pixel areas; and an outer part disposed on the sensor part, and including a light blocking member overlapping the reflective electrode.
    Type: Application
    Filed: October 26, 2023
    Publication date: November 21, 2024
    Inventors: Yi Seop SHIM, Yun Hee PARK, Hyun Seung LEE, Hye Lim JANG, Kyu Won CHO, Kyung Seon TAK
  • Patent number: 12150342
    Abstract: A display device includes a display panel including a main portion, a first bent portion and a second bent portion each extending from the main portion, and a corner portion which connects the first bent portion and the second bent portion to each other and is bendable relative to the main portion. The corner portion which is bendable includes a plurality of protrusion patterns partially disconnected from each other and each bendable relative to the main portion, and each of the plurality of protrusion patterns including a display pixel.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Won Choi, Dong Won Kim, Sang Gab Kim, Sang Woo Kim, Gyu Jeong Lee, Sung Won Cho
  • Publication number: 20240381738
    Abstract: A display device including: a display panel including a first area, a second area that can be bent from the first area, and a third area extending from the second area; a driving chip disposed in the third area; a connection substrate including a first hole wherein the first hole overlaps the driving chip and the third area; and a cover layer disposed in the third area wherein the cover layer contacts one or more sides of the driving chip.
    Type: Application
    Filed: December 5, 2023
    Publication date: November 14, 2024
    Inventors: Ye Won CHO, Young Min CHO
  • Patent number: 12137611
    Abstract: The present disclosure provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 5, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Jin Yoon, Yu-Jin Bae, Bo-Min Seo, Jeong-Eun Baek, Joong-Hwan Yang, Chun-Ki Kim, Jung-Hyun Yoon, Hyung-Won Cho, Kyu-Soon Shin, Jeong-A Seo, Hyung-Jin Lee, Young-Sam Jin, Dong-Hyun Lee
  • Publication number: 20240346078
    Abstract: A method for embedding a graph and a system therefor are provided. The method according to some embodiments may include acquiring a colored graph for a target graph, calculating an edge weight for the colored graph based on node color values of the colored graph, generating an edge filtration for the colored graph using the edge weight as a connectivity metric between nodes, and generating an embedding representation of the target graph based on topology information extracted from the edge filtration.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 17, 2024
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Jae Sun SHIN, Eun Joo JEON, Tae Won CHO, Nam Kyeong CHO
  • Publication number: 20240312765
    Abstract: A substrate processing apparatus including the controller are provided. The controller includes: a signal analyzer configured to detect at least one of an amplitude, phase, and frequency of a first signal, which is provided to a chamber; a radio frequency (RF) signal generator configured to generate an RF signal with a natural frequency based on a power of the first signal; a harmonic controller configured to generate a second signal based on the power of the first signal and at least one of the amplitude, phase, and frequency of the first signal, the second signal having a different amplitude, a different phase, and/or a different frequency from the RF signal; an operator configured to perform an operation on the RF signal and the second signal; and a filter configured to generate an RF control signal by filtering an output signal of the operator.
    Type: Application
    Filed: March 8, 2024
    Publication date: September 19, 2024
    Applicants: Samsung Electronics Co., Ltd., NEW POWER PLASMA CO.,LTD.
    Inventors: Kyung Min LEE, Myung Jae YOO, Sung-Yeol KIM, Sang Yeol PARK, Sung Yong LIM, Eun Suk LIM, Min Ju JEONG, Yong Won CHO
  • Publication number: 20240295264
    Abstract: A shift-by-wire transmission system includes a body provided with a sensor therein; an operation portion assembly in which a magnet is provided within a detecting range of the sensor, wherein a gear shifting operation portion is rotated about an axis of the body so that the magnet is rotated with the gear shifting operation portion, and the gear shifting operation portion is moved in an axial direction of the body so that the magnet is linearly moved together with the gear shifting operation portion; and a controller configured to detect a variation in magnetic force of the magnet detected by the sensor according to a rotational displacement and a movement displacement of the magnet and detect a gear shifting signal corresponding to a gear shifting operation of the gear shifting operation portion.
    Type: Application
    Filed: October 30, 2023
    Publication date: September 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Bum Jun KIM, Kyeong Hwan CHOI, Sung Won CHO, Won LEE, In Hyuk IM
  • Publication number: 20240295263
    Abstract: A shift-by-wire transmission system includes a gear shifting operation portion provided at an end portion of a body and configured to shift a gear, a housing provided inside the body, a haptic element provided in contact with the housing and configured to generate a vibration when the gear is shifted to a predetermined gear shifting stage to transmit the vibration to the housing, and a groove member coupled to the gear shifting operation portion and configured to operate in conjunction with a gear shifting operation of the gear shifting operation portion and transmit the vibration of the haptic element, which is transmitted to the housing, to the gear shifting operation portion by constantly maintaining a state in contact with the housing.
    Type: Application
    Filed: October 26, 2023
    Publication date: September 5, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Bum Jun KIM, Kyeong Hwan CHOI, Sung Won CHO, Won LEE, In Hyuk IM
  • Publication number: 20240288124
    Abstract: In a high pressure gas charging system and method, the system includes a charging container, a fluid supply part and a high pressure charging part. A high pressure gas is charged in the charging container. The fluid supply part is connected to a first side of the charging container, and is configured to supply incompressible fluid into the charging container before charging the high pressure gas. The high pressure charging part is connected to a second side of the charging container, and is configured to charge the high pressure gas into the charging container in which the incompressible fluid is already supplied. The incompressible fluid is supplied to the charging container until an inner pressure of the charging container reaches a predetermined pressure, and the incompressible fluid is removed to outside through the fluid supply part as the high pressure gas is charged into the charging container.
    Type: Application
    Filed: July 22, 2022
    Publication date: August 29, 2024
    Inventors: Dae-hwan KIM, Gyubaek CHO, Seung-Hoon BAE, Tae Kook PARK, Dae Won CHO, Sunmin KIM, Jae-Hyung KIM, Sang Hyuk LEE, Sang Kyo KIM
  • Patent number: D1056904
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: January 7, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ju-Won Cho
  • Patent number: D1065208
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: March 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ju-Won Cho