Patents by Inventor Keun Lee

Keun 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).

  • Patent number: 10923602
    Abstract: A semiconductor device includes a first transistor having a first threshold voltage, and including first channels, first source/drain layers connected to opposite sidewalls of the first channels, and a first gate structure surrounding the first channels and including a first gate insulation pattern, a first threshold voltage control pattern, and a first workfunction metal pattern sequentially stacked. The semiconductor device includes a second transistor having a second threshold voltage greater than the first threshold voltage, and including second channels, second source/drain layers connected to opposite sidewalls of the second channels, and a second gate structure surrounding the second channels and including a second gate insulation pattern, a second threshold voltage control pattern, and a second workfunction metal pattern sequentially stacked. A thickness of the second threshold voltage control pattern is equal to or less than a thickness of the first threshold voltage control pattern.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Jung Kim, Dong-Soo Lee, Sang-Yong Kim, Jin-Kyu Jang, Won-Keun Chung, Sang-Jin Hyun
  • Patent number: 10918156
    Abstract: Disclosed in an embodiment is a pressure detection sensor comprising: an elastic layer including a hole; and an electrode layer including a plurality of electrodes arranged on the elastic layer so as to be spaced apart, wherein the elastic layer includes a variable member arranged in the hole, the plurality of electrodes are electrically connected to each other by outside pressure, and at least one of the plurality of electrodes covers a part of the hole.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: February 16, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Jin Jo, Won Keun Cho, Jeong Han Kim, Soo Min Lee, Ji Na Lee, In Hee Cho, Sang A Ju
  • Publication number: 20210044832
    Abstract: Disclosed are a method for deriving a temporal predictive motion vector, and an apparatus using the method. An image decoding method may comprise the steps of: determining whether or not a block to be predicted is brought into contact with a boundary of a largest coding unit (LCU); and determining whether or not a first call block is available according to whether or not the block to be predicted is brought into contact with the boundary of the LCU. Accordingly, unnecessary memory bandwidth may be reduced, and implementation complexity may also be reduced.
    Type: Application
    Filed: September 8, 2020
    Publication date: February 11, 2021
    Applicant: KT CORPORATION
    Inventors: Bae Keun LEE, Jae Cheol KWON, Joo Young KIM
  • Publication number: 20210043530
    Abstract: A semiconductor die includes a substrate, a first passivation layer over the substrate, and a second passivation layer over the first passivation layer and the substrate. The substrate has boundaries defined by a substrate termination edge. The first passivation layer is over the substrate such that it terminates at a first passivation termination edge that is inset from the substrate termination edge by a first distance. The second passivation layer is over the first passivation layer and the substrate such that it terminates at a second passivation termination edge that is inset from the substrate termination edge by a second distance. The second distance is less than the first distance such that the second passivation layer overlaps the first passivation layer.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Inventors: Chris Hardiman, Kyoung-Keun Lee, Fabian Radulescu, Daniel Namishia, Scott Thomas Sheppard
  • Patent number: 10914986
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Min Cho, Dae-Hyun Kim, Jae-Woong Kang, Jae-Byung Park, Kwang-Keun Lee
  • Patent number: 10913361
    Abstract: A battery temperature control system includes: a memory storing a maximum charging current map according to temperature of a battery for an electric vehicle, and an allowable current map according to a control pilot (CP) duty; and a temperature controller comparing a maximum charging current corresponding to a current temperature of the battery with an allowable current corresponding to a current CP duty to determine whether to increase the temperature of the battery.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 9, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kyu Beom Ko, Seung Myun Chung, Tae Woo Lee, Jae Seok You, Deok Keun Shin, Jin Cheol Shin
  • Publication number: 20210028232
    Abstract: An electronic device including a semiconductor memory is provided. The semiconductor memory includes: a substrate having a substantially horizontal upper surface; first to Nth layers disposed in horizontal layers on the substrate and spaced apart from each other above the substrate in a vertical direction, wherein each of the first to Nth layers comprises a plurality of conductive lines; an insulating layer disposed to fill spaces between the conductive lines; a hole having sidewalls that extends in the vertical direction through the insulating layer and between the conductive lines to expose, in sidewalls of the hole, conductive lines of the first to Nth layers; a variable resistance layer disposed on sidewalls of the hole; and a conductive pillar disposed to fill the hole in which the variable resistance layer is formed, wherein N is a natural number of two or more.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 28, 2021
    Inventors: Jae-Hyun HAN, Hyang-Keun YOO, Se-Ho LEE
  • Publication number: 20210026169
    Abstract: A panel repairing apparatus and a method of repairing a display panel using the same are disclosed. The panel repairing apparatus includes a panel loader for accommodating a display panel therein, a laser repair unit for repairing the display panel by irradiating laser onto the display panel, and a press repair unit for repairing the display panel by pressurizing the display panel.
    Type: Application
    Filed: March 31, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Keun LEE, Bum Hwan PARK, Hyuk SON, Kyu Wook CHOI, Jong Gyu PARK, Jae Young LEE
  • Publication number: 20210024729
    Abstract: The present invention provides an ethylene/alpha-olefin copolymer having narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, and particularly a small amount of vinylidene among the unsaturated functional groups to show excellent physical properties, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 28, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung Ho JUN, Seung Hwan JUNG, Jin Sam GONG, Rae Keun GWAK, Choong Hoon LEE, Eun Jung LEE, Hyun Jin JU, In Sung PARK, Sang Eun PARK
  • Publication number: 20210025644
    Abstract: A refrigerator includes a storage chamber having an opening; a drawer type door to open or close the opening; a display positioned at the drawer type door; a first connector provided at a sidewall of the storage chamber; a second connector provided at the drawer type door and being electrically connected to the display; a first frame coupled to an inner wall of the storage chamber, the first frame to cover the first connector; a second frame coupled to the drawer type door, the second frame to support a storage box; and a wire electrically connected between the first connector and the second connector. The first frame has a first accommodating part to accommodate one portion of the wire and the second frame has a second accommodating part to accommodate another portion of the wire.
    Type: Application
    Filed: October 13, 2020
    Publication date: January 28, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae Myung HAN, Jae Hoon LIM, Gi Joong JEONG, Woo Yeol YOO, Jong Eun CHAE, Sun keun LEE
  • Patent number: 10902780
    Abstract: A display device includes data lines, scan lines, and pixels. Each of the pixels includes an organic light emitting diode, a first transistor (OLED), and a second transistor. The first transistor is electrically connected to an anode of the OLED. The second transistor is electrically connected to the first transistor, a scan line among the scan lines, and a data line among the data lines. The second transistors of the pixels may receive instances of a reference voltage from the data lines during a first period of a frame. The second transistors of the pixels may simultaneously receive instances of a turn-on scan signal from the scan lines during the first period of the frame. Cathodes of the OLEDs of the pixels may receive instances of a turn-off voltage for the OLEDs to turn off during the first period of the frame.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: January 26, 2021
    Inventors: Jeon Kyoo Kim, Oh Jo Kwon, Jiwoong Kim, JunYong Song, Dong Won Lee, Jae Keun Lim
  • Patent number: 10901265
    Abstract: A liquid crystal display includes: a display panel; and a color conversion layer positioned on the display panel, wherein the color conversion layer includes a scattering layer including a color conversion media layer and scatterers.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 26, 2021
    Inventors: Kwang Keun Lee, Young Min Kim, Hae II Park, Seon-Tae Yoon, Jun Han Lee
  • Patent number: 10904581
    Abstract: A method for decoding a video according to the present invention may comprise: determining whether to divide a current block with quad tree partitioning, and dividing the current block into four partitions based on a vertical line and a horizontal line when it is determined that the current block is divided with the quad tree partitioning.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 26, 2021
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 10904526
    Abstract: A method of processing video signal according to a present invention comprises determining a transform set for a current block comprising a plurality of transform type candidates, determining a transform type of the current block from the plurality of transform type candidates and performing an inverse transform for the current block based on the transform type of the current block.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: January 26, 2021
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 10904304
    Abstract: The present invention relates to a cloud streaming service system, a data compressing method for preventing memory bottlenecking, and a device for same and, particularly, to a technology that: can prevent memory bottlenecking by compressing data when the transmitted amount of original buffer data exceeds a reference value, based on a system memory bandwidth; can provide a cloud streaming service by applying an order of priority by service type according to whether the processing limit, for the number of simultaneous connecting entities that can be processed by one server, is reached during a cloud streaming service; and can test whether a sever that provides a cloud streaming service is operating normally and whether a connection error occurs.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 26, 2021
    Assignee: SK PLANET CO., LTD.
    Inventors: Tae-Meon Bae, Hyun-Sik Na, Hong-Seo Yun, Jung-Keun Yang, Dong-Su Lee
  • Patent number: 10904568
    Abstract: The present invention is related to processing a video signal. A method for decoding a video according to the present invention may comprise generating a prediction block of a current block by performing intra prediction, deriving at least one sample position based parameter based on a position of a first prediction sample in the prediction block, and obtaining a second prediction sample by weighted predicting the first prediction sample based on the at least one sample position based parameter. According to the present invention, encoding/decoding efficiency of a video signal can be improved since intra prediction is performed more accurately.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: January 26, 2021
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 10904728
    Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 26, 2021
    Assignee: CLOUDFLARE, INC.
    Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
  • Publication number: 20210021861
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: deriving a spatial merge candidate of a current block; generating a first merge candidate list including the spatial merge candidate; obtaining motion information of the current block on the basis of the first merge candidate list; and performing motion compensation on the current block by using the motion information. Herein, when the number of merge candidates included in the first merge candidate list is smaller than the maximum number, at least one merge candidate included in a second merge candidate list is added to the first merge candidate list.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 21, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210021832
    Abstract: According to the present invention, there is provided a method of decoding an image, the method including: determining an intra prediction mode of a current block; determining a reference sample line for a prediction target sample included in the current block; and obtaining a prediction value of the prediction target sample on the basis of the intra prediction mode and the reference sample line.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 21, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210020500
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Application
    Filed: June 16, 2020
    Publication date: January 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho