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).

  • Publication number: 20210067810
    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, determining whether to divide the current block with binary tree partitioning when the current block is not divided with the quad tree partitioning, determining a binary tree partition type for the current block when it is determined to divide the current block with the binary tree partitioning, and dividing the current block into two partitions according to the determined binary tree partition type.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 4, 2021
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20210067781
    Abstract: Provided are a method and a device for decoding a video signal to provide stereographic image content with high resolution. For decoding a video signal, an intra prediction mode of a current block is determined, and a prediction sample is obtained by performing intra prediction of the current block based on the intra prediction mode.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Publication number: 20210067775
    Abstract: An image decoding method according to the present invention may include: a step for dividing a picture into a plurality of tiles; and a step for determining at least one slice on the basis of the plurality of tiles. Here, the step for dividing a picture into a plurality of tiles may include: a step for determining the width of a first tile column in the picture; and a step for determining the width of a second tile column neighboring the first tile column.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 4, 2021
    Inventor: Bae Keun LEE
  • Publication number: 20210067779
    Abstract: Disclosed is a method for processing a video signal according to the present invention, the method including: determining an intra prediction mode of a current block; deriving a reference sample for intra prediction of the current block; and performing intra prediction of the current block based on the intra prediction mode and the reference sample.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: KT CORPORATION
    Inventors: Bae Keun LEE, Joo Young KIM
  • Publication number: 20210067780
    Abstract: Provided are a method and a device for decoding a video signal to provide stereographic image content with high resolution. For decoding a video signal, an intra prediction mode of a current block is determined, and a prediction sample is obtained by performing intra prediction of the current block based on the intra prediction mode.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: KT CORPORATION
    Inventors: Bae Keun Lee, Joo Young Kim
  • Publication number: 20210062050
    Abstract: The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, uniform crystallinity, thereby showing excellent physical properties.
    Type: Application
    Filed: May 3, 2019
    Publication date: March 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Rae Keun Gwak, Eun Jung Lee, Jin Sam Gong, Jung Ho Jun, Tae Su Kim
  • Patent number: 10934426
    Abstract: The present disclosure relates to a polymer composition and a use thereof to produce a polymer film. Such a polymer composition provides excellent self-assembly properties and is capable of forming a vertical orientation structure in a short time even on a surface where no neutral treatment is performed.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: March 2, 2021
    Inventors: Se Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi
  • Patent number: 10937873
    Abstract: A high electron mobility transistor includes a channel layer, a barrier layer on the channel layer, source and drain contacts on the barrier layer, a gate contact between the source and drain contacts, and a multi-layer passivation structure on the upper surface of the barrier layer between the source contact and the drain contact. The multi-layer passivation structure includes a first passivation layer that comprises a charge dissipation material directly contacts the upper surface of the barrier layer and a second passivation layer comprising a different material than the first passivation layer that also directly contacts the upper surface of the barrier layer. In some embodiments, at least one recess may be formed in the upper surface of the barrier layer and the second passivation layer may be formed within the recesses.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: March 2, 2021
    Assignee: Cree, Inc.
    Inventors: Kyoung-Keun Lee, Fabian Radulescu, Scott Sheppard
  • Publication number: 20210058619
    Abstract: A video decoding method according to the present invention may comprise: a step for dividing a coding block into a first partition and a second partition; a step for deriving a merge candidate list for the coding block; a step for determining a first merge candidate and a second merge candidate by using the merge candidate list; a step for deriving a first prediction sample and a second prediction sample on the basis of first motion information on the first merge candidate and second motion information on the second merge candidate; and a step for obtaining a third prediction sample for the coding block on the basis of the first prediction sample and the second prediction sample.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Inventor: Bae Keun LEE
  • Publication number: 20210057480
    Abstract: A protective film composition includes a polymer having the following formula: each of a, b, and cis amole fraction; a+b+c=1; 0.05?a/(a+b+c)?0.3; 0.1?b/(a+b+c)?0.6; 0.1?c/(a+b+c)?0.6; each of R1, R2, and R3 is a hydrogen atom or a methyl group; R4 is a hydrogen atom, a butyrolactonyl group, or a substituted or unsubstituted C3 to C30 alicyclic hydrocarbon group; and R5 is a substituted or unsubstituted C6 to C30 linear or cyclic hydrocarbon group. A method of manufacturing a semiconductor package includes forming a sawing protective film on a semiconductor structure by using the protective film composition and sawing the sawing protective film and the semiconductor structure from the sawing protective film.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Applicant: DONGJIN SEMICHEM CO., LTD.
    Inventors: Myoung-chul Eum, Hye-kyoung Lee, Chang-kun Kang, Jae-hyun Kim, Kyeong-il Oh, Seung-keun Oh, Chi-hwan Lee
  • Patent number: 10927388
    Abstract: The present invention relates to a method for preparing bioethanol from lignocellulosic biomass. The method of the present invention is capable of: minimizing the impurity content of an enzymatic saccharification raw material, by extracting biomass using hot water, before pretreatment, and removing extractable substances such as inorganic salts; suppressing, to the greatest extent, the production of overdecomposition products of sugar, by pretreating the biomass, from which the hot water extractable substances have been removed, in a condition for maximizing xylan yield; preparing fermentable sugar at a low cost, without washing a pretreated solid obtained from subsequent solid-liquid separation, but by only concentrating a sugar solution obtained after enzymatic saccharification, using a separation film; and preparing bioethanol therefrom in high yield.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: February 23, 2021
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Ju Hyun Yu, Chan Duck Jung, In Yong Eom, Seung Hwan Lee, Kyung Sik Hong, In-Chul Kim, Jong Geon Jegal, Bong Keun Song
  • Patent number: 10931294
    Abstract: Provided are an apparatus and a method for measuring a frequency of a broadband signal by using low-speed ADCs having sub-Nyquist sampling rates. A plurality of channels each including a low-speed ADC having a sub-Nyquist sampling rate (e.g. sampling frequency from several MHz to hundreds of MHz) are provided, and the frequency of an input signal corresponding to a combination of frequencies calculated through the respective channels is estimated. Therefore, as the number of channels increases, the range of measurable frequencies may be extended.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 23, 2021
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Sang Won Kim, Dong Keun Lee, Jeung Min Joo, Jung Hoon Kim, Sung Jin Jo, Un Seob Jeong
  • Publication number: 20210046472
    Abstract: A modular fluidic chip according to an embodiment of the present disclosure includes a body configured to have at least one flow channel formed in an inside thereof and be connected to another modular fluidic chip to allow the at least one flow channel to communicate with a flow channel provided in the other modular fluidic chip. According to the embodiment of the present disclosure, a fluidic chip capable of performing one function is formed in the form of a module, whereby a fluidic flow system of various structures can be implemented without restriction in shape or size by connecting a plurality of fluidic chips capable of performing different functions as necessary. Through this, various and accurate experimental data can be obtained, and when a specific portion is deformed or damaged, only the fluidic chip corresponding thereto can be replaced, thereby reducing manufacture and maintenance costs.
    Type: Application
    Filed: July 25, 2019
    Publication date: February 18, 2021
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seok Jae LEE, Moon Keun LEE, Nam Ho BAE, Tae Jae LEE, Kyoung Gyun LEE, Yoo Min PARK
  • Publication number: 20210049949
    Abstract: A display apparatus including: a display panel configured to display an image based on input image data; a data driver configured to output a data voltage to the display panel; and a driving controller configured to determine a driving frequency of the display panel based on flicker values for grayscale values of the input image data and output a driving frequency signal representing the driving frequency of the display panel to a host.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 18, 2021
    Inventors: Hyo Jin LEE, Jae Keun LIM, Hong Soo KIM, Jinyoung ROH, Sehyuk PARK
  • Patent number: 10924794
    Abstract: A remote controller is provided. The remote controller includes an input interface; a communicator; a storage; and a processor configured to: transmit, to the display apparatus via the communicator, a signal indicating control instructions based on a user input received through the input interface, receive, from the display apparatus via the communicator, information related to a first control code for controlling a first source device of the at least one source device based on the control instructions, identify the first control code from a first control code set stored in the storage based on the information related to the first control code, and control the communicator to transmit a first control signal indicating the first control code to the first source device.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chae-young Lim, Kyung-ik Cho, Je-hwan Seo, Min-sup Kim, Ki-hyun Song, Suk-hoon Yoon, Hyun-kyu Yun, Jong-keun Lee
  • 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
  • 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
  • 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