Patents by Inventor Seungho Park

Seungho Park 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: 20240132392
    Abstract: A display device includes: a display panel; and a window on the display panel, wherein the window includes a glass substrate having a thickness of 20 micrometers (?m) to 100 ?m, and the glass substrate contains, on a basis of an entirety of the glass substrate, more than 75 mol % and less than 85 mol % of SiO2, more than 10 mol % and less than 20 mol % of Na2O, and more than 0 mol % and less than 10 mol % of CaO, respectively.
    Type: Application
    Filed: August 21, 2023
    Publication date: April 25, 2024
    Inventors: JAEGIL LEE, WOONJIN CHUNG, SEUNG KIM, SEUNGHO KIM, CHEOLMIN PARK, GYUIN SHIM, JIN-WON JANG, SOMI JUNG, HUI YEON SHON, MINGYEONG KANG, KYEONGDAE PARK, SEONGYOUNG PARK
  • Patent number: 11961435
    Abstract: A display apparatus including a display, a memory configured to store moving trajectory information related to a plurality of moving trajectories. and a processor configured to control the display to display a specific pixel which is pixel-shifted according to a first moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a first frame interval. The processor, based on completing of the specific pixel being pixel-shifted according to the first moving trajectory, moves the specific pixel located at a starting point of the first moving trajectory by pixel units in any one of a vertical direction and a horizontal direction, and control the display to display the specific pixel by being pixel-shifted according to a second moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a second frame interval.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungho Park, Guiwon Seo
  • Patent number: 11961493
    Abstract: A display device including: a display panel including first through N-th pixel rows; and a panel driver configured to sequentially receive first through N-th line data for the first through the N-th pixel rows in each frame period, and to drive the display panel based on the first through the N-th line data, the panel driver including: a current control circuit configured to determine a current control value for a (K+1)-th pixel row based on the first through K-th line data for the first through K-th pixel rows received in a current frame period and (K+1)-th through the N-th line data for the (K+1)-th through the N-th pixel rows received in a previous frame period; and a data correction circuit configured to correct the (K+1)-th line data for the (K+1)-th pixel row based on the current control value in the current frame period.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinho Lee, Seunghwan Park, Youngwoon Choi, Sungjae Park, Seungho Park, Kitae Yoon, Namjae Lim
  • Publication number: 20240102691
    Abstract: A blower is disclosed. The blower includes a fan configured to generate flow of air, a lower body providing an internal space in which the fan is installed, and having a suction hole through which air passes, an upper body positioned over the lower body and providing an internal space in which air discharged from the fan flows, a damper positioned behind the upper body, and a discharge port formed between an end of the upper body and an end of the damper, in which the upper body includes an opening formed at a rear end of the upper body and communicating with the internal space of the upper body, and the damper opens and closes the discharge port while moving in a front-rear direction behind the opening.
    Type: Application
    Filed: October 16, 2020
    Publication date: March 28, 2024
    Inventors: Kidong KIM, Jaehyeon KIM, Seokho CHOI, Changhoon LEE, Jaehyuk JUNG, Hosik JANG, Seungho BAEK, Haein JUNG, Kibbum PARK
  • Publication number: 20240106994
    Abstract: A window includes a base region and a compressive stress region disposed on the base region. The compressive stress region includes Li+, Na+, and K+ ions. The compressive stress region includes a first compressive stress portion in which a concentration of the K+ ions decreases, a concentration of Na+ ions increases, and a concentration of the Li+ ions increases, from a surface of the window toward the base region. A second compressive stress portion is adjacent to the first compressive stress portion. In the second compressive stress portion, the concentration of the Na+ ion decreases and the concentration of the Li+ ion increases, from the first compressive stress portion toward the base region. The window thereby has a high surface compressive stress value and impact resistance.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Inventors: Seung KIM, Byunghoon KANG, Seungho KIM, Youngok PARK, Sujin SUNG, Gyuin SHIM
  • Patent number: 11940203
    Abstract: Provided is a refrigerator including a main body including a storeroom, a door body arranged to open or close the storeroom, a decoration panel coupled to a front side of the door body, and a holder mounted on the front side of the door body to be coupled to the decoration panel. The door body includes a rear case defining a rear side of the door body, and a main case defining front and sides of the door body. The main case includes a front part defining the front side of the door body and having an installation groove in which to install the holder, side parts defining sides of the door body, and a rear coupler coupled to the rear case. The main case is formed by bending a single metal board.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungdeuk Park, Youngmin Kwon, Jeongman Nam, Seongwoo Kim, Seungho Yoon, Hojun Jeong
  • Publication number: 20240096279
    Abstract: A display device includes a display unit which includes a plurality of pixels, a degradation controller which includes a voltage compensator configured to calculate a driving voltage increase amount based on a degradation amount of a maximum degradation pixel among the pixels and a global current controller configured to calculate calculates a first scale factor for compensating a power increase amount according to the driving voltage increase amount, a driving voltage provider which is configured to increase a driving voltage provided to the pixels based on the driving voltage increase amount, a data compensator which is configured to generate output image data by scaling the first scale factor to grayscale values of input image data, and a data driver which is configured to provide data voltages to the pixels based on the output image data.
    Type: Application
    Filed: June 26, 2023
    Publication date: March 21, 2024
    Inventors: NAMJAE LIM, SEOKGYU BAN, SANGMYEON HAN, SEUNGHO PARK, BYOUNGKWAN AN
  • Patent number: 11929014
    Abstract: A display device includes a display panel which displays an image based on input image data, a driving controller which generates a voltage control signal for adjusting a first power voltage applied to the display panel in an (N+M)-th frame based on a maximum grayscale value of the input image data of an N-th frame, where N is a positive integer, and M is a positive integer, and a power voltage generator which senses a power current applied to the display panel in the (N+M)-th frame, generates a second power voltage based on the voltage control signal, and controls a voltage level of the first power voltage based on the second power voltage and a current level of the power current.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihyun Pyun, Sung-Mo Yang, Seungho Park, Dae-Sik Lee
  • Patent number: 11930693
    Abstract: A flexible display device, which has a bending area and a non-bending area, includes a display panel, and a window member disposed on the display panel and including a first glass substrate, a second glass substrate disposed opposite to the second glass substrate, and a bonding layer disposed between the first glass substrate and the second glass substrate. The bonding layer includes a first bonding part overlapping the bending area and a second bonding part overlapping the non-bending area and having a modulus greater than a modulus of the first bonding part.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Kim, Junehyoung Park, Jeongwoo Park, Seungho Kim, Hoikwan Lee
  • Patent number: 11922869
    Abstract: A display device including: a display panel including a plurality of pixels; a display panel driver configured to drive the display panel; a memory device configured to store a reference current-temperature model that is set for the display panel, a global offset of the display panel, which is calculated based on the reference current-temperature model in a manufacturing stage of the display panel, and a local offset of the display panel, which is calculated based on a characteristic difference between the pixels in the manufacturing stage; and a panel temperature determiner configured to measure sensing currents flowing through the pixels when a temperature sensing voltage is applied to the pixels, calculate correction sensing currents by applying the global offset and the local offset to the sensing currents, and determine temperatures of the pixels by substituting the correction sensing currents into the reference current-temperature model.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunghoon Bang, Seokgyu Ban, Dong-Ki Eun, Seungho Park, Wook Lee
  • Patent number: 11861809
    Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a memory storing at least one instruction, and a processor, electrically connected to the memory, configured to, by executing the instruction, obtain, from an input image, a noise map corresponding to the input image; provide the input image to an input layer of a learning network model including a plurality of layers, the learning network model being an artificial intelligence (AI) model that is obtained by learning, through an AI algorithm, a relationship between a plurality of sample images, a respective noise map of each of the plurality of sample images, and an original image corresponding to the plurality of sample images; provide the noise map to at least one intermediate layer among the plurality of layers; and obtain an output image based on a result from providing the input image and the noise map to the learning network model.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungho Park, Youngsu Moon
  • Publication number: 20230419870
    Abstract: A display apparatus includes a display panel including pixels, a gate driver outputting gate signals to the pixels, a data driver outputting data voltages to the pixels, a sensing circuit receiving sensed signals from the pixels, a power voltage generator applying a power voltage, and a driving controller for stopping the display panel, the gate driver, the data driver, and/or the power voltage generator when the display panel is determined to be defective. The driving controller selects a first-mode threshold set or a second-mode threshold set based on an initial value set related to the sensed signals for determining whether the display panel is defective. Thresholds in the first-mode threshold set respectively correspond to and are respectively unequal to thresholds in the second-mode threshold set.
    Type: Application
    Filed: March 23, 2023
    Publication date: December 28, 2023
    Inventors: Jongbin Kim, SEUNGHO PARK, BOYOUNG AN, WOOK LEE, JI-WOONG JEONG
  • Patent number: 11847978
    Abstract: A display device includes a display panel, a luminance compensator, and a data driver. The display panel includes a plurality of pixels. The luminance compensator is configured to calculate a scaling factor based on a target current, a black image current, and a sensing current. The target current is calculated based on an input current input to the display panel. The sensing current is measured from the display panel. The data driver is configured to generate a data voltage based on input image data to supply the data voltage to the pixels. The data voltage has a voltage level adjusted based on the scaling factor.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Namjae Lim, Sungjae Park, Seungho Park, Seunghwan Park, Jaehoon Lee, Jinho Lee, Youngwoon Choi
  • Publication number: 20230386377
    Abstract: A display apparatus including a display, a memory configured to store moving trajectory information related to a plurality of moving trajectories. and a processor configured to control the display to display a specific pixel which is pixel-shifted according to a first moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a first frame interval. The processor, based on completing of the specific pixel being pixel-shifted according to the first moving trajectory, moves the specific pixel located at a starting point of the first moving trajectory by pixel units in any one of a vertical direction and a horizontal direction, and control the display to display the specific pixel by being pixel-shifted according to a second moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a second frame interval.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungho PARK, Guiwon SEO
  • Publication number: 20230368707
    Abstract: A display device includes: a communication interface; a display; and a processor configured to: based on an image output device being communicably connected to the communication interface, acquire first device information of the image output device, based on a content provided from an external server being selected, control the communication interface to transmit the first device information and second device information of the display device to the external server, the second device information corresponding to the display device, receive the content from the external server through the communication interface, the content including a main screen image corresponding to the second device information, the content being associated with a sub screen image corresponding to the first device information, control the display to display the main screen image, and control the communication interface to transmit the sub screen image to the image output device such that the image output device outputs the sub screen ima
    Type: Application
    Filed: June 7, 2023
    Publication date: November 16, 2023
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: Jaesung PARK, Seungho PARK, Younghoon JEONG
  • Patent number: 11817031
    Abstract: A display device includes: a display panel including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines, respectively; a scan driver, which provides a scan signal to the pixels through the scan lines; a data driver, which provides a data voltage to the pixels through the data lines; and a controller, which controls the scan driver and the data driver, and receives input image data at a variable input frame frequency. The controller determines whether a gray scale value of the input image data is included in any range of a first gray scale range and a second gray scale range different from the first gray scale range, and dithers the input image data when it is determined that the gray scale value of the input image data is included the first gray scale range.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: November 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinho Lee, Sungjae Park, Seunghwan Park, Youngwoon Choi, Seungho Park, Kyoungho Lim, Namjae Lim
  • Patent number: 11776458
    Abstract: A display device includes a display panel and a driving circuit that receives an input image signal and provides an output image signal corresponding to the input image signal to the display panel. The driving circuit includes an edge and slope detector that detects an edge of the input image signal, and determines an angle between the edge and a virtual line parallel to a first direction, a weight calculator that determines a weight, based on the edge and the angle, and a rendering module that compensates for the input image signal, based on the weight, and outputs the output image signal. The weight is determined through an arithmetic operation between the edge and the angle.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonwoo Jang, Seungho Park
  • Publication number: 20230274706
    Abstract: A display device includes a display panel, a controller, and a data driver. The display panel includes a plurality of pixels. The controller receives image data including data representing a logo, detects a logo region including the logo in the image data, determines a correction gain based on a quotient of a second gray level of a peripheral region adjacent to the logo region and a first gray level of the logo region, and generates corrected image data by correcting the image data based on the correction gain. The data driver provides data signals to the plurality of pixels based on the corrected image data.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: WONWOO JANG, SEUNGHO PARK, KYOUNGHO LIM
  • Publication number: 20230257630
    Abstract: A slurry composition is used to treat a surface of a target structure including at least one of a first polishing target film and a second polishing target film, which include different materials from each other, by a chemical mechanical polishing (CMP) process. The slurry composition includes: polishing particles; a first inhibitor including a nonionic polymer to selectively bond to the first polishing target film; and a second inhibitor including an anionic polymer to selectively bond to the second polishing target film. A method of manufacturing an integrated circuit device includes: forming, on a substrate, a target structure including at least one of a first polishing target film and a second polishing target film; applying the slurry composition onto the target structure; and treating a surface of the target structure by a CMP process while the slurry composition covers the target structure.
    Type: Application
    Filed: January 18, 2023
    Publication date: August 17, 2023
    Applicant: Kctech Co., Ltd.
    Inventors: Wooin LEE, Jihye KIM, Seungho PARK, Jaewoo LEE, Jaeik LEE, Jaehak LEE, Bohyeok CHOI, Jungeun KANG, Boyun KIM, Sangkyun KIM, Hyukmin KIM
  • Patent number: 11727840
    Abstract: A display apparatus including a display, a memory configured to store moving trajectory information related to a plurality of moving trajectories. and a processor configured to control the display to display a specific pixel which is pixel-shifted according to a first moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a first frame interval. The processor, based on completing of the specific pixel being pixel-shifted according to the first moving trajectory, moves the specific pixel located at a starting point of the first moving trajectory by pixel units in any one of a vertical direction and a horizontal direction, and control the display to display the specific pixel by being pixel-shifted according to a second moving trajectory among the plurality of moving trajectories in a plurality of image frames included in a second frame interval.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungho Park, Guiwon Seo