Patents by Inventor Seung-Bo Shim

Seung-Bo Shim 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: 20240379465
    Abstract: A method includes: forming a MOSFET layer on a semiconductor wafer substrate, the MOSFET layer including: pixel driver circuits; and a display driver circuit; forming at least one line layer on the MOSFET layer; applying a first supply voltage to a first supply voltage line through a first supply voltage pad; connecting data fan-out lines connected to the pixel driver circuits with a first test line by controlling a test switching circuit in the MOSFET layer; measuring an electrical signal generated from each of the pixel driver circuits through a first test pad connected to the first test line; determining whether each of the pixel driver circuits is defective or not based on the measured electrical signal; and forming a light-emitting element layer including light-emitting elements on the at least one line layer when that the pixel driver circuits are determined to be not defective.
    Type: Application
    Filed: December 7, 2023
    Publication date: November 14, 2024
    Inventors: Deok Jun CHOI, Hyo Jung KIM, KI YONG PARK, Yoo Young PARK, Hye Sun SUNG, Ji Hyeon SON, Seung Bo SHIM, Jeong Yong LEE
  • Publication number: 20240355583
    Abstract: A plasma processing apparatus comprises a shower head configured to receive an electrode therein, and a variable impedance controller on the shower head. The variable impedance controller includes a first member spaced apart from the shower head and arranged along a circumference of the shower head, and a second member on the first member and configured to rotate. The variable impedance controller is configured to control an impedance by changing the impedance resulting from the first member and the second member as at least one contact point between the first member and the second member is changed according to rotation of the second member.
    Type: Application
    Filed: February 2, 2024
    Publication date: October 24, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Naohiko OKUNISHI, Hyeong Mo KANG, Nam Kyun KIM, Seong Sik NAM, Seung Bo SHIM
  • Publication number: 20240331615
    Abstract: A display device includes a first layer disposed on a base layer and including a first gate electrode, a first gate insulating layer, and an active layer, and a second layer disposed on the first layer and including a second gate electrode, a second gate insulating layer, and the active layer. The first layer and the second layer share the active layer. The first gate insulating layer has a first dielectric constant, and the second gate insulating layer has a second dielectric constant. The first dielectric constant and the second dielectric constant are different from each other.
    Type: Application
    Filed: October 24, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyo Jung KIM, Seung Bo SHIM, Min Ji BAEK, Hye Sun SUNG, Ji Hyeon SON, Jeong Yong LEE
  • Publication number: 20240282759
    Abstract: A display device includes: a base layer including a display area including an emission area and a non-emission area adjacent to the emission area, and a non-display area around the display area; a light emitting element in the emission area on the base layer; a color filter layer located above the light emitting element; and a light blocking pattern on the light emitting element and including a first light blocking pattern in the non-emission area and a second light blocking pattern in the non-display area. The first light blocking pattern and the second light blocking pattern are different in thickness from each other.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 22, 2024
    Inventors: Eung Gyu LEE, Jin Suek KIM, Sae Ron PARK, Seung Bo SHIM, Ho Kil OH, Jae Soo JANG
  • Patent number: 12065072
    Abstract: Disclosed is an auto aiming and auto leveling control system which simplifies initial aiming of a headlamp, and links an aiming process to a leveling process of the headlamp, so as to reduce manufacturing costs and to enable process automation.
    Type: Grant
    Filed: December 5, 2023
    Date of Patent: August 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Joon Bo Shim, Seung Woo Seo, Jae Joon Park, Seung Gyu Nam
  • Publication number: 20240268161
    Abstract: A display device includes a first transistor, a pixel electrode electrically connected to the first transistor, and a second transistor electrically connected to the first transistor. A nitrogen content per unit area of an active layer of the second transistor is greater than a nitrogen content per unit area of an active layer of the first transistor.
    Type: Application
    Filed: October 20, 2023
    Publication date: August 8, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Bo SHIM, Hyo Jung KIM, Ji Hyeon SON, Jeong Yong LEE, Yoo Young PARK, Ji Myoung SEO
  • Patent number: 12051772
    Abstract: A display device includes: a first substrate; a plurality of metal layers on the first substrate and separated from each other; a buffer layer on the metal layer; a semiconductor layer on the buffer layer; a gate conductive layer on the semiconductor layer; a data conductive layer connected to the semiconductor layer; and a light-emitting element connected to the data conductive layer, wherein the metal layer includes a first portion partially overlapping the semiconductor layer in a third direction perpendicular to the surface of the first substrate, a second portion where the metal layer completely overlaps the semiconductor layer in the third direction, and a third portion where the metal layer does not overlap the semiconductor layer in the third direction.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: July 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Bo Shim, Chang Woo Kwon, Bong-Kyun Kim, Jin SueK Kim, Hyo Suk Park, Ho Kil Oh, Eung Gyu Lee, Wan-Soon Im, Joon Hoo Choi
  • Patent number: 12046451
    Abstract: A plasma etching apparatus may include a first source electrode, a first bias electrode, and a second bias electrode configured to generate a plasma by supplying energy to a process gas injected into a chamber; and a controller. The controller may be configured to supply a first high-frequency RF power, a first low-frequency RF power, and a second low-frequency RF power to the chamber during a first period from a first time to a second time; ramp down and turn off the first high-frequency RF power to the chamber during a second period from the second time to a third time; and ramp down and turn off the first low-frequency RF power to the chamber during a third period from the second time to a fourth time different from the third time. The third period may be smaller than ½ of the first period and greater than the second period.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: July 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Kyun Kim, Seung Bo Shim, Doug Yong Sung, Seung Han Baek, Ju Ho Lee
  • Patent number: 11973072
    Abstract: A display device includes: a base layer including a display area including an emission area and a non-emission area adjacent to the emission area, and a non-display area around the display area; a light emitting element in the emission area on the base layer; a color filter layer located above the light emitting element; and a light blocking pattern on the light emitting element and including a first light blocking pattern in the non-emission area and a second light blocking pattern in the non-display area. The first light blocking pattern and the second light blocking pattern are different in thickness from each other.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eung Gyu Lee, Jin Suek Kim, Sae Ron Park, Seung Bo Shim, Ho Kil Oh, Jae Soo Jang
  • Publication number: 20240120177
    Abstract: A substrate processing method is provided. The substrate processing method comprises loading a substrate onto a substrate support inside a chamber, forming a plasma inside the chamber, providing a first DC pulse signal to an electromagnet that generates a magnetic field inside the chamber and processing the substrate with the plasma, wherein the first DC pulse signal is repeated at a first period including a first section and a second section subsequent to the first section, the first DC pulse signal has a first level during the first section, and the first DC pulse signal has a second level different from the first level during the second section.
    Type: Application
    Filed: September 19, 2023
    Publication date: April 11, 2024
    Inventors: Ji Mo LEE, Dong Hyeon NA, Myeong Soo SHIN, Woong Jin CHEON, Kyung-Sun KIM, Jae Bin KIM, Tae-Hwa KIM, Seung Bo SHIM
  • Patent number: 11735396
    Abstract: An inductively coupled plasma processing apparatus includes a lower chamber providing a space for a substrate, a high-frequency antenna that generates inductively coupled plasma in the lower chamber, dielectric windows disposed between the lower chamber and the high-frequency antenna, metal windows alternatingly disposed between the dielectric windows, and gas inlet pipes disposed in each of the metal windows, wherein each of the gas inlet pipes includes nozzles that introduce gases to the lower chamberamber.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: August 22, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Seung Bo Shim, Doug Yong Sung, Ho-Jun Lee, Jee Hun Jeong, Sung Hwan Cho, Ju-Hong Cha
  • Patent number: 11657685
    Abstract: A device for providing feedback based on an input according to the present disclosure includes a sensor for sensing an input signal corresponding to the input of a user, and a controller that determines the input of the user as at least one of a touch operation, a press operation, or a swipe operation based on the input signal, and provides feedback corresponding to the determination result. The device may provide feedback using a haptic or sound output scheme based on the input of the user, thereby allowing the user to intuitively recognize an input function.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: May 23, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Young Koh, Seung Bo Shim
  • Publication number: 20230120474
    Abstract: A plasma etching apparatus may include a first source electrode, a first bias electrode, and a second bias electrode configured to generate a plasma by supplying energy to a process gas injected into a chamber; and a controller. The controller may be configured to supply a first high-frequency RF power, a first low-frequency RF power, and a second low-frequency RF power to the chamber during a first period from a first time to a second time; ramp down and turn off the first high-frequency RF power to the chamber during a second period from the second time to a third time; and ramp down and turn off the first low-frequency RF power to the chamber during a third period from the second time to a fourth time different from the third time. The third period may be smaller than ½ of the first period and greater than the second period.
    Type: Application
    Filed: May 23, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nam Kyun KIM, Seung Bo SHIM, Doug Yong SUNG, Seung Han BAEK, Ju Ho LEE
  • Publication number: 20230044703
    Abstract: Plasma processing equipment includes a chuck stage for supporting a wafer and including a lower electrode, an upper electrode disposed on the chuck stage, an AC power supply which applies first to third signals having different magnitudes of frequencies to the upper electrode or the lower electrode, a dielectric ring which surrounds the chuck stage, an edge electrode located within the dielectric ring, and a resonance circuit connected to the edge electrode. The resonance circuit includes a filter circuit which allows only the third signal among the first to third signals to pass, and a series resonance circuit connected in series with the filter circuit and having a first coil and a first variable capacitor connected in series and grounded.
    Type: Application
    Filed: October 25, 2022
    Publication date: February 9, 2023
    Inventors: SEUNG BO SHIM, DOUG YONG SUNG, YOUNG JIN NOH, YONG WOO LEE, JI SOO IM, HYEONG MO KANG, PETER BYUNG H HAN, CHEON KYU LEE, MASATO HORIGUCHI
  • Patent number: 11538660
    Abstract: A plasma processing apparatus includes; a chamber, a lower electrode disposed within the chamber and including a lower surface and an opposing upper surface configured to seat a wafer, an RF rod disposed on the lower surface of the lower electrode and extending in a vertical direction. The RF plate includes a first portion contacting the lower surface of the lower electrode, a second portion protruding from the first portion towards the RF rod, and a third portion extending from the second portion to connect the RF rod. A grounding electrode is spaced apart from the RF plate and at least partially surrounds a side wall of the RF rod and a side wall of the second portion of the RF plate. The grounding electrode includes a first grounding electrode facing each of the side wall of the RF rod and the second portion of the RF plate, and a second grounding electrode at least partially surrounding the first grounding electrode, and configured to horizontally rotate.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: December 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoong Chung, Nam Kyun Kim, Naohiko Okunishi, Kyung-Sun Kim, Seung Bo Shim, Sang-Ho Lee, Kang Min Jeon
  • Patent number: 11521836
    Abstract: A plasma processing apparatus includes a substrate chuck having a first surface for supporting a substrate, a second surface opposite to the first surface, and a sidewall, a focus ring for surrounding a perimeter of the substrate, and an edge block for supporting the focus ring. The edge block includes a side electrode on the sidewall of the substrate chuck and a bottom electrode on the second surface of the substrate chuck.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Woo Lee, Kyo-Hyeok Kim, Hyo-Sung Kim, Jong-Woo Sun, Seung-Bo Shim, Kyung-Hoon Lee, Jae-Hyun Lee, Ji-Soo Im, Min-Young Hur
  • Patent number: 11501953
    Abstract: Plasma processing equipment includes a chuck stage for supporting a wafer and including a lower electrode, an upper electrode disposed on the chuck stage, an AC power supply which applies first to third signals having different magnitudes of frequencies to the upper electrode or the lower electrode, a dielectric ring which surrounds the chuck stage, an edge electrode located within the dielectric ring, and a resonance circuit connected to the edge electrode. The resonance circuit includes a filter circuit which allows only the third signal among the first to third signals to pass, and a series resonance circuit connected in series with the filter circuit and having a first coil and a first variable capacitor connected in series and grounded.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: November 15, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Bo Shim, Doug Yong Sung, Young Jin Noh, Yong Woo Lee, Ji Soo Im, Hyeong Mo Kang, Peter Byung H Han, Cheon Kyu Lee, Masato Horiguchi
  • Publication number: 20220172926
    Abstract: A method for fabricating a semiconductor device includes providing a wafer on a lower electrode inside a plasma processing apparatus. A first power having a first and second frequency is provided to the lower electrode. A second power is provided to an RF induction electrode through the lower electrode. A third power having the second frequency is released outside of a chamber. A plasma process is performed on the wafer while the third power is released. The RF induction electrode is disposed inside an insulating plate surrounding a sidewall of the lower electrode. The RF induction electrode is spaced apart front the lower electrode. The RF induction electrode has an annular shape surrounding the sidewall of the lower electrode. The first power is controlled by a first controller, and the third power is controlled by a second controller different from the first controller.
    Type: Application
    Filed: July 27, 2021
    Publication date: June 2, 2022
    Inventors: Dong Wan Kim, Beom Rae Kim, Dong Hyeon Na, Young Jin Noh, Seung Bo Shim, Sang-Ho Lee, Yong Woo Lee, Jun Ho Lee, Dong Hee Han
  • Publication number: 20220158043
    Abstract: Disclosed are a display panel including a light emitting panel, and a color conversion panel facing the light emitting panel, wherein the color conversion panel being converts an emission spectrum of light emitted from the light emitting panel, wherein the color conversion panel may include a color conversion layer including a plurality of regions including a color conversion region, and bank defining each region of the color conversion layer, the color conversion region may include quantum dots, and a refractive index of the bank is lower than a refractive index of the quantum dots, and an electronic device including the same.
    Type: Application
    Filed: August 16, 2021
    Publication date: May 19, 2022
    Inventors: Eung Gyu LEE, Jin Suek KIM, Seung Bo SHIM, Ho Kil OH, Bo Bae LEE
  • Publication number: 20220139669
    Abstract: A plasma processing apparatus includes; a chamber, a lower electrode disposed within the chamber and including a lower surface and an opposing upper surface configured to seat a wafer, an RF rod disposed on the lower surface of the lower electrode and extending in a vertical direction. The RF plate includes a first portion contacting the lower surface of the lower electrode, a second portion protruding from the first portion towards the RF rod, and a third portion extending from the second portion to connect the RF rod. A grounding electrode is spaced apart from the RF plate and at least partially surrounds a side wall of the RF rod and a side wall of the second portion of the RF plate. The grounding electrode includes a first grounding electrode facing each of the side wall of the RF rod and the second portion of the RF plate, and a second grounding electrode at least partially surrounding the first grounding electrode, and configured to horizontally rotate.
    Type: Application
    Filed: April 27, 2021
    Publication date: May 5, 2022
    Inventors: YOONG CHUNG, NAM KYUN KIM, NAOHIKO OKUNISHI, KYUNG-SUN KIM, SEUNG BO SHIM, SANG-HO LEE, KANG MIN JEON