Patents by Inventor Sung Woong Cho

Sung Woong 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).

  • Patent number: 12160589
    Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: December 3, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 12149724
    Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: November 19, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240353602
    Abstract: Provided are a polarizing plate and an optical display device comprising the same, the polarizing plate comprising: a polarizer; a protective film laminated on the top surface of the polarizer; and a retardation film laminated on the bottom surface of the polarizer. The retardation film comprises a first retardation layer, and a second retardation layer which is a coating layer formed on one surface of the first retardation layer. The protective film has a total haze of 19% or more and an internal haze of 7% or more at a wavelength of 550 nm to 555 nm, and the polarizer has a polarization angle of 99.5% or more.
    Type: Application
    Filed: August 1, 2022
    Publication date: October 24, 2024
    Inventors: Il Woong BAEK, Yeon Ju JUNG, Yoon Jung KIM, Sung Man CHO, Ri Ra JUNG, Han Mam JEONG
  • Publication number: 20240340440
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12088807
    Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: September 10, 2024
    Assignee: IDEAHUB INC.
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240291969
    Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: May 3, 2024
    Publication date: August 29, 2024
    Inventors: Ha Hyun LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12075090
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: August 27, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240279158
    Abstract: A novel compound for a capping layer, and an organic light emitting device containing the same are disclosed.
    Type: Application
    Filed: March 13, 2024
    Publication date: August 22, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Dong Jun KIM, Dong Hyun LEE, Ja Eun ANN, Dong Yuel KWON, Sung Kyu LEE, Tae Jin LEE, Yeong Rong PARK, Dae Woong LEE, Il Soo OH, Bo Ra LEE, Hyeon Jeong IM, Ill Hun CHO
  • Patent number: 12063385
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: August 13, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240259584
    Abstract: The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Dong San JUN, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20240251591
    Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 25, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Hee Joo KIM, Dong Jun KIM, Dong Hyun LEE, Ja Eun ANN, Dong Yuel KWON, Sung Kyu LEE, Ill Hun CHO, Bo Ra LEE, Yeong Rong PARK, Il Soo OH, Dae Woong LEE, Hyeon Jeong IM
  • Publication number: 20240231545
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 11, 2024
    Inventors: Chiwook AN, Doyeon KIM, Sunghyun PARK, Jaehyun LEE, Sung-woong CHO
  • Publication number: 20240134486
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Inventors: Chiwook AN, Doyeon KIM, Sunghyun PARK, Jaehyun LEE, Sung-woong CHO
  • Patent number: 11861117
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: January 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chiwook An, Doyeon Kim, Sunghyun Park, Jaehyun Lee, Sung-woong Cho
  • Publication number: 20230074226
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Chiwook AN, Doyeon KIM, Sunghyun PARK, Jaehyun LEE, Sung-woong CHO
  • Patent number: 11500496
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chiwook An, Doyeon Kim, Sunghyun Park, Jaehyun Lee, Sung-woong Cho
  • Publication number: 20200152710
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: Chiwook AN, Doyeon KIM, Sunghyun PARK, Jaehyun LEE, Sung-woong CHO
  • Patent number: 10541279
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: January 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chiwook An, Doyeon Kim, Sunghyun Park, Jaehyun Lee, Sung-woong Cho
  • Publication number: 20180033833
    Abstract: A display device includes a display panel, and a touch sensing unit on the display panel, the touch sensing unit including a first conductive pattern on the display panel, an insulating layer covering the first conductive pattern, and a second conductive pattern on the insulating layer, partially crossing the first conductive pattern, and having a thickness that is greater than a thickness of the first conductive pattern.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 1, 2018
    Inventors: Chiwook AN, Doyeon KIM, Sunghyun PARK, Jaehyun LEE, Sung-woong CHO
  • Publication number: 20110084012
    Abstract: The present invention discloses a hydrocyclone floating separator, comprising: a vortex generating body which includes a water inlet, swirls water introduced through the water inlet, and includes a water outlet discharging the swirled water; an air injection unit for injecting air into water introduced through the water inlet; a drain control unit for controlling the amount of water discharged through the water outlet such that the level of the water in the vortex generating body is maintained constant; and a suspended solids removing unit for taking suspended solids out of the vortex generating body, the suspended solids existing dispersed in water being supplied to the vortex generating body and then floating and gathering towards the center of the vortex of the water surface because of the swirl flow of the water and the buoyancy of air bubbles charged in the water.
    Type: Application
    Filed: June 3, 2009
    Publication date: April 14, 2011
    Applicant: KOREA AQUOSYS CO., LTD.
    Inventors: Shi Chun Yang, Sung Woong Cho