Patents by Inventor Chul Choi

Chul Choi 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: 20240022715
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jong Ho KIM, Hae Chul CHOI, Hui Yong KIM, Ha Hyun LEE, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woo HONG, Jin Woong KIM
  • Publication number: 20240022753
    Abstract: Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.
    Type: Application
    Filed: August 1, 2023
    Publication date: January 18, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Sung Chang LIM, Hae Chul CHOI, Se Yoon JEONG, Suk Hee CHO, Hui Yong KIM, Jin Ho LEE, Ha Hyun LEE, Jong Ho KIM, Jin Soo CHOI, Jin Woong KIM, Gwang Hoon PARK, Kyung Yong KIM, Dong Gyu SIM, Seoung Jun OH
  • Publication number: 20240022714
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Sung Chang LIM, Jong Ho KIM, Hae Chul CHOI, Hui Yong KIM, Ha Hyun LEE, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woo HONG, Jin Woong KIM
  • Patent number: 11874698
    Abstract: A display device includes a display panel including a first non-folding area, a folding area, and a second non-folding area and a support plate that is disposed under the display panel and that defines a plurality of openings overlapping the folding area and arranged in a first direction and a second direction intersecting the first direction. The support plate includes a first branch disposed between openings adjacent to each other in the second direction among the plurality of openings and a second branch disposed between openings adjacent to each other in the first direction among the plurality of openings. A first width of the first branch in the second direction is smaller than a second width of each of the openings in the second direction.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaiku Shin, Dongwoo Seo, Jihye Shin, Jin Yong Sim, Seokchan Lee, Sung Chul Choi
  • Publication number: 20240015894
    Abstract: A display device including a display panel including a folding area and a non-folding area adjacent along a first direction, a support layer facing the display panel with a barrier layer therebetween, openings defined in the support layer and corresponding to the folding area, a cushion layer facing the display panel with the support layer therebetween, and a barrier adhesive layer between the barrier layer and the support layer, the barrier adhesive layer including a first barrier portion and a second barrier portion spaced apart from each other along the first direction with the plurality of openings of the support layer therebetween.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Inventors: JAIKU SHIN, DONGJIN PARK, DONGWOO SEO, SUNG CHUL CHOI, SOJEONG LA, Jihye SHIN, SEOKCHAN LEE
  • Patent number: 11868176
    Abstract: A display device includes a display panel foldable with respect to a folding axis substantially parallel to a first direction and a support plate disposed under the display panel and including a folding plate foldable with respect to the folding axis. The folding plate includes at least one first support layer and at least one second support layer. The folding plate has a first elastic modulus corresponding to a bending strength with respect to a second direction intersecting the first direction and a second elastic modulus corresponding to a bending strength with respect to the first direction. The first elastic modulus is smaller than the second elastic modulus.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaiku Shin, Sung Chul Choi, Sojeong La, Jin Yong Sim, Gyeongho Jeong
  • Publication number: 20240003966
    Abstract: Disclosed herein is a burn-in system with a plurality of plugs on test boards, including: a main body (100) which has a test chamber (200) with an open front side; a plurality of test boards (40) on which a plurality of semiconductor chips (90) are mounted and which is mounted in the test chamber (200); a main board which tests the semiconductor chips by exchanging signals with the plurality of semiconductor chips; a door (540) which is provided on the main body (100) to open and close the test chamber (200); and a temperature control means provided inside the main body (100) to heat and cool the test boards (40) mounted inside the test chamber (200).
    Type: Application
    Filed: May 30, 2023
    Publication date: January 4, 2024
    Applicant: Meritech CO., Ltd.
    Inventors: BYUNG GOOK CHANG, JONG JIN PARK, SEUNG CHUL CHOI, seung nam Kang
  • Publication number: 20240005700
    Abstract: According to one aspect of the present invention, provided is a method for monitoring an object, the method comprising the steps of: in sensor data measured by a sensor for at least one object, specifying pattern data about an unidentified behavior of the at least one object that is not recognized by a machine learning-based behavior recognition model; and determining at least a portion of the pattern data as target data on the basis of at least one of a measurement frequency and a measurement size of the pattern data, and providing information about the target data to a user.
    Type: Application
    Filed: June 23, 2023
    Publication date: January 4, 2024
    Applicant: Bodit Inc.
    Inventors: Kwang Jae Choo, Min Yong Shin, Heung Jong Yoo, Yoon Chul Choi, Seongjin Kim, Nayeon Kim
  • Patent number: 11858831
    Abstract: Disclosed is a desalination apparatus using a solvent extraction scheme.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: January 2, 2024
    Assignees: Korea University Research and Business Foundation, RESEARCH TRIANGLE INSTITUTE
    Inventors: Jae Woo Lee, Young Chul Choi, Ou Kyung Choi, Gyu Dong Kim, Dan Dan Dong, Jun HO Seo
  • Patent number: 11860691
    Abstract: A display device may include a window module and a display module including a first non-folding region, a second non-folding region, and a folding region disposed between the first non-folding region and the second non-folding region. The display module may include a damping layer, a color filter layer, a display panel, and a lower member, which are sequentially stacked below the window module, and the damping layer may include polymer.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sojeong La, Dongjin Park, Jaiku Shin, Jongmin Yang, Gyeongho Jeong, Sung Chul Choi
  • Publication number: 20230420374
    Abstract: A semiconductor package includes a package substrate having a first side and an opposite second side, a semiconductor chip on the first side of the package substrate, a capacitor on the second side of the package substrate, a plurality of connecting terminals on the second side of the package substrate, and a metal line within a trench in the package substrate. The trench extends in a first direction, and the metal line is between the capacitor and the plurality of connecting terminals. The metal line is spaced apart from the capacitor in a second direction that is transverse to the first direction, and a distance between the metal line and the capacitor is 100 ?m or more and 1000 ?m or less.
    Type: Application
    Filed: April 19, 2023
    Publication date: December 28, 2023
    Inventors: Kwang-Chul CHOI, Sang Hyun LEE, Un-Byoung KANG, Jung Hoon KANG
  • Patent number: 11845041
    Abstract: A membrane assembly for separating a feed liquid into a permeate and a retentate includes a semipermeable membrane and conductive members for applying a voltage effective for charging a semipermeable surface of the membrane, thereby reducing or preventing fouling or scaling of the membrane. The conductive members may be positioned adjacent to the semipermeable membrane, and may be configured as feed spacers or permeate spacers. Alternatively or additionally, the membrane may be electrically conductive. Power from an external source may be supplied to one or more of the conductive members, or also the membrane if conductive, which may be done wirelessly. One or more membrane assemblies may be provided in a container. One or more membrane assemblies may be provided in a stacked configuration, or wrapped around a tube in a spiral configuration.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: December 19, 2023
    Assignee: Research Triangle Institute
    Inventors: Zachary Doubrava Hendren, Young Chul Choi, Gyu Dong Kim
  • Publication number: 20230399747
    Abstract: Disclosed is a pedestal heater block for a chemical vapor deposition machine, in which a structure intended for causing a vacuum to be applied is installed on a surface so that a wafer can be fixed by vacuum absorption, and which comprises: gas supply holes distributed to supply gas for temperature uniformity onto a back side of the wafer; and a hot wire configured to apply heat to the wafer, wherein the hot wire is installed to have higher installation density in a central part of the heater block which is a position corresponding to a central part of the wafer than that in a neighborhood part which is an outer side of the heater block.
    Type: Application
    Filed: October 7, 2021
    Publication date: December 14, 2023
    Applicant: MECARO CO., LTD.
    Inventors: Jun Ho LEE, Dong Chul CHOI, Se Hyeok AHN, Myung Kee HONG, Jin Man PARK
  • Publication number: 20230403040
    Abstract: In a transmitter circuit, an impedance calibration circuit is configured to generate an impedance code for impedance matching, an encoder is configured to receive the impedance code and to generate a delay compensation signal based on the impedance code. A delay circuit is configured to output delay data that are delayed from input data by a delay value determined based on the delay compensation signal. A feed-forward equalizer is configured to receive the input data and the delay data, and to equalize the input data based on a main coefficient used for the input data and an equalization coefficient used for the delay data to generate transmission data.
    Type: Application
    Filed: March 24, 2023
    Publication date: December 14, 2023
    Inventors: Moon-Chul Choi, Sung-Yong Cho, Jaehyeok Baek, Donggun An
  • Patent number: 11837118
    Abstract: In a display device including a display panel, the display device includes: an active region; a plurality of hole areas at least partially surrounded by the active region; and a folding line extending in one direction, wherein each of the hole areas includes at least one hole, and wherein the holes of each hole area are arranged in an extending direction of the folding line.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Jin Park, Dong Woo Seo, Jai Ku Shin, Sung Chul Choi
  • Publication number: 20230389358
    Abstract: A display apparatus can include a first thin-film transistor including a first active layer having a first polysilicon material, a first gate electrode overlapping the first active layer, a first electrode and a second electrode; a second thin-film transistor including a second active layer having an oxide semiconductor, a second gate electrode overlapping the second active layer, a third electrode and a fourth electrode; and a first emitting electrode of a light emitting element electrically connected to the second electrode of the first thin-film transistor. Also, one end of the first active layer having the first polysilicon material is electrically connected to one or the other end of the second active layer having the oxide semiconductor.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Seong-Pil CHO, Dong-Yup KIM, Kyung-Mo SON, Sang-Soon NOH, Jun-Seuk LEE, Yong-Bin KANG, Kye-Chul CHOI, Sung-Ho MOON, Sang-Gul LEE, Byeong-Keun KIM, Kyoung-Soo LEE, Hyun-Gyo JEONG, Jin-Kyu ROH, Jung-Doo JIN, Ki-Hyun KWON, Hee-Jin JUNG, Jang-Dae KIM, Won-Ho SON, Chan-Ho KIM
  • Patent number: 11825013
    Abstract: An apparatus and method are provided. The method includes reproducing, by a portable phone, multimedia content via an external output device while the portable phone is coupled with the external output device, determining whether the portable phone is decoupled from the external output device, and terminating the reproducing of the multimedia content based at least in part on a determination that the portable phone is decoupled from the external output device.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Sub Lee, Kyoung-Ae Lim, Kyoung-Shin Lee, Seung-Chul Choi
  • Publication number: 20230371218
    Abstract: A display device includes a display panel, a first support member, a second support member, a first heat dissipation member, and a first coating film. The display panel has a foldable area. The first support member is disposed on a lower surface of the display panel and includes a stretchable portion overlapping the foldable area. The second support member is disposed on a lower surface of the first support member and includes a first support plate and a second support plate spaced apart from each other. The first heat dissipation member is disposed between the first support member and the second support member and includes a first heat dissipation layer and a second heat dissipation layer spaced apart from each other. The first coating film is disposed between the first support member and the first heat dissipation member and includes carbon nanotube.
    Type: Application
    Filed: May 24, 2023
    Publication date: November 16, 2023
    Inventors: Jaiku SHIN, Jeongil YOO, Sung Chul CHOI
  • Publication number: 20230362352
    Abstract: An image encoding/decoding method is disclosed. Present invention of the method of decoding an image comprises determining a prediction mode for a current block and performing prediction on the current block on the basis of the determined prediction mode.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 9, 2023
    Applicants: Electronics and Telecommunications Research Institute, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ha Hyun LEE, Jung Won KANG, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Hae Chul CHOI, Aram BACK, Dae Hyeok GWON
  • Patent number: 11812012
    Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: November 7, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim