Patents by Inventor Sang Yong Lee

Sang Yong Lee 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: 20220060108
    Abstract: A system has an input voltage source, a power stage coupled to the input voltage source, a load coupled to an output node of the power stage and a control circuit, the control circuit implemented on a semiconductor die and including: an error amplifier having a first input, a second input and an output; a voltage divider coupled to the output node and configured to provide an output voltage sense value to the first input of the error amplifier; and a programmable reference voltage circuit with an output coupled to the second input of the error amplifier. The programmable reference voltage circuit includes: a reference voltage source; scaling circuit components between the reference voltage source and the second input of the error amplifier; and a switch between the reference voltage source and the second input of the error amplifier. The control circuit is coupled to the power stage and is configured to generate a control signal for switches of the power stage.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 24, 2022
    Inventors: Ahmed Essam HASHIM, Sang Yong LEE, Uzair MOHAMMED, Eric Wayne TISINGER
  • Publication number: 20220053188
    Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
    Type: Application
    Filed: October 26, 2021
    Publication date: February 17, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Jae Gon KIM, Sang Yong LEE
  • Publication number: 20220038712
    Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin woong KIM, Jae Gon KIM, Hae Chul CHOI, Sang Yong LEE
  • Publication number: 20210391790
    Abstract: At least some aspects of the present disclosure provide for a system. In some examples, the system includes a pulse width modulation (PWM) generator configured to generate a PWM signal. The PWM generator generates the PWM signal by generating a first signal having a first dithering profile and a first frequency bandwidth, generating a second signal having a second dithering profile and a second frequency bandwidth greater than the first frequency bandwidth, modulating the second signal with the first signal to generate a dual random spread spectrum signal, and generating the pulse width modulation signal according to the dual random spread spectrum signal.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Sang Yong LEE, Paul David CURTIS
  • Patent number: 11190767
    Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 30, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jae Gon Kim, Sang Yong Lee
  • Patent number: 11172206
    Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 9, 2021
    Assignees: Electronics and Telecommunications Research Institute, Intellectual Discovery Co., Ltd.
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jin Soo Choi, Jin woong Kim, Jae Gon Kim, Hae Chul Choi, Sang Yong Lee
  • Patent number: 11152855
    Abstract: At least some aspects of the present disclosure provide for a system. In some examples, the system includes a pulse width modulation (PWM) generator configured to generate a PWM signal. The PWM generator generates the PWM signal by generating a first signal having a first dithering profile and a first frequency bandwidth, generating a second signal having a second dithering profile and a second frequency bandwidth greater than the first frequency bandwidth, modulating the second signal with the first signal to generate a dual random spread spectrum signal, and generating the pulse width modulation signal according to the dual random spread spectrum signal.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Sang Yong Lee, Paul David Curtis
  • Patent number: 11117201
    Abstract: The technical problem to be solved by the present disclosure is to provide a single-sided high feed cutting insert which can have increased edge strength and reduced cutting load so as to be suitable for high feed machining. To this end, the single-sided high feed cutting insert of the present disclosure comprises: a short cutting edge disposed between a major surface and a short lateral surface; a long cutting edge disposed between the major surface and a long lateral surface; and a corner cutting edge disposed between the short cutting edge and the long cutting edge, wherein the short cutting edge has an outwardly convex curved shape when viewed from the major surface, and a minor surface has a straight shape when viewed from the short and long lateral surfaces, respectively.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: September 14, 2021
    Assignee: KORLOY INC.
    Inventors: Sang Yong Lee, Young Nam Choi, Jae Man Park
  • Patent number: 11117202
    Abstract: The present disclosure's technical object is to provide a high feed cutting insert capable of providing a sufficient entering angle while ensuring rigidity of a cutting tool's bottom part.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: September 14, 2021
    Assignee: KORLOY INC.
    Inventors: Sang Yong Lee, Young Nam Choi, Jae Man Park
  • Publication number: 20210281260
    Abstract: Provided is an RF switch device (100) in which body contact regions (190) are formed at respective positions adjacent to or partially overlapping opposite ends of a gate region (110) so that holes in a body of the device can escape or flow in either or both of two directions, rather than in only a single direction.
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Inventors: Ja-Geon KOO, Jin-Hyo JUNG, Hae-Taek KIM, Seung-Hyun EOM, Ki-Won LIM, Hyun-Joong LEE, Sang-Yong LEE
  • Publication number: 20210249441
    Abstract: A semiconductor device includes: a first stack structure; a second stack structure adjacent to the first stack structure in a first direction; a first insulating layer including protrusion parts protruding in a second direction intersecting the first direction and including a concave part defined between the protrusion parts; and a second insulating layer located between the first stack structure and the second stack structure, the second insulating layer inserted into the concave part and the second insulating layer in contact with at least one protrusion part among the protrusion parts.
    Type: Application
    Filed: April 28, 2021
    Publication date: August 12, 2021
    Applicant: SK hynix Inc.
    Inventors: Sang Yong LEE, Sang Min KIM, Jung Ryul AHN, Sang Hyun OH, Seung Bum CHA, Kang Sik CHOI
  • Publication number: 20210210425
    Abstract: A semiconductor device includes a line; a source structure on the line; a stack structure on the source structure; a first slit structure penetrating the stack structure; a second slit structure penetrating the stack structure; and a contact plug adjacent to the first slit structure in a first direction. The first slit structure and the second slit structure may be spaced apart from each other by a first distance in a second direction that is perpendicular to the first direction. The contact plug penetrates the source structure, the contact plug being electrically connected to the lower line. The first slit structure and the contact plug may be spaced apart from each other by a second distance in the first direction, and the second distance may be longer than the first distance.
    Type: Application
    Filed: June 30, 2020
    Publication date: July 8, 2021
    Applicant: SK hynix Inc.
    Inventors: Sang Yong LEE, Sae Jun KWON, Sang Min KIM, Jin Taek PARK, Sang Hyun OH
  • Patent number: 11024647
    Abstract: A semiconductor device includes: a first stack structure; a second stack structure adjacent to the first stack structure in a first direction; a first insulating layer including protrusion parts protruding in a second direction intersecting the first direction and including a concave part defined between the protrusion parts; and a second insulating layer located between the first stack structure and the second stack structure, the second insulating layer inserted into the concave part and the second insulating layer in contact with at least one protrusion part among the protrusion parts.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: June 1, 2021
    Assignee: SK hynix Inc.
    Inventors: Sang Yong Lee, Sang Min Kim, Jung Ryul Ahn, Sang Hyun Oh, Seung Bum Cha, Kang Sik Choi
  • Patent number: 10991786
    Abstract: A signal control unit for an organic light emitting diode (OLED) display device includes a substrate structure including a plurality of active elements for the pixels, first metal electrodes disposed on the substrate structure, and configured to be electrically connected to a portion of each of the active elements, second metal electrodes disposed over and adjacent the first metal electrodes, configured to electrically connected to corresponding ones of the first metal electrodes, respectively, by via contacts extending vertically to electrically connect the first metal electrodes to the second metal electrodes, and interlayer insulating layer structure interposed between the first electrodes and the second electrodes and having the via contacts therein, the interlayer insulating layer structure having a stacked structure in which a first interlayer insulating layer, a light blocking layer and a second interlayer insulating layer are stacked in order.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: April 27, 2021
    Assignee: DB HITEK CO., LTD.
    Inventors: Jin Hyo Jung, Jung Hyun Lee, Dae Il Kim, Bum Seok Kim, Seung Ha Lee, Sang Yong Lee, Dong Hoon Park
  • Publication number: 20200373835
    Abstract: At least some aspects of the present disclosure provide for a system. In some examples, the system includes a pulse width modulation (PWM) generator configured to generate a PWM signal. The PWM generator generates the PWM signal by generating a first signal having a first dithering profile and a first frequency bandwidth, generating a second signal having a second dithering profile and a second frequency bandwidth greater than the first frequency bandwidth, modulating the second signal with the first signal to generate a dual random spread spectrum signal, and generating the pulse width modulation signal according to the dual random spread spectrum signal.
    Type: Application
    Filed: January 31, 2020
    Publication date: November 26, 2020
    Inventors: Sang Yong LEE, Paul David CURTIS
  • Publication number: 20200338652
    Abstract: The present disclosure relates to a cutting insert, and a cutting insert according to the present disclosure comprises: an upper surface and a lower surface oriented in opposite directions; a first and a second shorter side surface connecting the upper surface and the lower surface to each other and oriented in opposite directions; a first and a second longer side surfaces connecting the upper surface and the lower surface to each other, connecting the first and the second shorter side surfaces to each other, oriented in opposite directions, and being longer than the first and the second shorter side surfaces; and a through hole extending through the upper surface and the lower surface, wherein when viewed toward the upper surface, the first longer side surface has two side portions, each side portion having an inclined shape with reference to the center portion.
    Type: Application
    Filed: August 31, 2018
    Publication date: October 29, 2020
    Applicant: KORLOY INC.
    Inventors: Young Nam CHOI, Sang Yong LEE, Young Heum KIM, Sun Yong AHN
  • Publication number: 20200344490
    Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.
    Type: Application
    Filed: July 13, 2020
    Publication date: October 29, 2020
    Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Jae Gon KIM, Sang Yong LEE, Un Ki PARK
  • Patent number: 10811311
    Abstract: An element isolation structure includes a substrate defining a trench including an upper trench and a lower trench in communication with each other, the substrate including an inclined sidewall that forms the upper and lower trench; a first thin film liner on the substrate and conforming to the substrate, the first thin film liner having a substantially uniform thickness trench; a second thin film liner pattern selectively on a lower portion of the first thin film liner within a volume defined by the lower trench, the second thin film liner pattern having a substantially uniform thickness; a lower isolation layer formed on the second thin film liner pattern and substantially filling the volume defined by the lower trench; and an upper isolation layer formed on an upper portion of the first thin film liner and the lower isolation layer and substantially filling a volume defined by the upper trench.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 20, 2020
    Assignee: DB HITEK CO., LTD.
    Inventors: Dong Hoon Park, Jung Hyun Lee, Dae Il Kim, Bum Seok Kim, Jin Hyo Jung, Seung Ha Lee, Sang Yong Lee
  • Publication number: 20200312879
    Abstract: A semiconductor device includes: a first stack structure; a second stack structure adjacent to the first stack structure in a first direction; a first insulating layer including protrusion parts protruding in a second direction intersecting the first direction and including a concave part defined between the protrusion parts; and a second insulating layer located between the first stack structure and the second stack structure, the second insulating layer inserted into the concave part and the second insulating layer in contact with at least one protrusion part among the protrusion parts.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Applicant: SK hynix Inc.
    Inventors: Sang Yong LEE, Sang Min KIM, Jung Ryul AHN, Sang Hyun OH, Seung Bum CHA, Kang Sik CHOI
  • Publication number: 20200280719
    Abstract: The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Jae Gon KIM, Sang Yong LEE