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: 20230209080
    Abstract: An image decoding method, according to the present invention, can comprise the steps of: deriving a spatial merge candidate of a current block; generating a merge candidate list for the current block on the basis of the spatial merge candidate; acquiring motion information on the current block on the basis of the merge candidate list; and performing motion compensation for the current block by using the motion information.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: KT CORPORATION
    Inventor: Bae Keun LEE
  • Publication number: 20230187584
    Abstract: Provided is a display device. The display device comprises: a first substrate; a first electrode and a second electrode arranged spaced apart from each other on the first substrate; a plurality of light-emitting diodes arranged on the first electrode and the second electrode; a plurality of contact electrodes arranged on the first electrode or the second electrode and being in contact with the light-emitting diodes, wherein the contact electrodes comprise a first contact electrode arranged on the first electrode, a second contact electrode arranged on the second electrode, a third contact electrode facing the first contact electrode in a second direction, and a fourth contact electrode facing the second contact electrode in the second direction, and include an electrode connection unit connected to the third contact electrode and the fourth contact electrode and arranged to surround the second contact electrode.
    Type: Application
    Filed: July 28, 2020
    Publication date: June 15, 2023
    Inventors: Jin Taek KIM, Seung Min LEE, Jung Hwan YI, Hee Keun LEE, Bek Hyun LIM, Kyung Tae CHAE
  • Publication number: 20230184400
    Abstract: An emergency lamp includes a housing assembly; a battery module; a control panel; a lighting assembly; a heat sink configured for heat dissipation for the lighting assembly; a light guide assembly; and a transparent cover. The battery module includes a bracket, a battery disposed on the bracket, and a cladding layer wrapping around the battery. The housing assembly is a hollow structure, and the battery module, the control panel, and the lighting assembly are disposed in the housing assembly. The light guide assembly is connected to the lighting assembly. The transparent cover is disposed on the housing assembly; a position of the transparent cover corresponds to that of the light guide assembly. The battery module is electrically connected to the control panel, and the lighting assembly is electrically connected to the control panel; and the housing assembly including a hole for fixing a waterproof joint.
    Type: Application
    Filed: January 19, 2022
    Publication date: June 15, 2023
    Inventor: Sung-Keun LEE
  • Publication number: 20230179790
    Abstract: An image decoding method according to the present invention may comprise the steps of: generating an affine mergence candidate list for a current block; specifying one of multiple affine mergence candidates contained in the affine mergence candidate list; deriving affine seed vectors of the specified mergence candidate; deriving a sub-block motion vector for a sub-block in the current block by using the affine seed vectors, wherein the sub-block is smaller in size than the current block; deriving offset data for the sub-block; and generating a sub-prediction block for the sub-block on the basis of the affine vector and the offset data.
    Type: Application
    Filed: September 30, 2022
    Publication date: June 8, 2023
    Inventor: Bae Keun Lee
  • Patent number: 11666902
    Abstract: A modular fluidic chip 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. 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: Grant
    Filed: July 25, 2019
    Date of Patent: June 6, 2023
    Assignee: 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
  • Patent number: 11668969
    Abstract: A display panel includes a first display substrate, a second display substrate. The second display substrate includes a substrate, a color conversion layer including a first conversion part configured to absorb light of a first color and to emit light of a second color, a second conversion part configured to absorb the light of the first color and to emit light of a third color, and a third conversion part configured to transmit the light of the first color, and a filter layer including a first filter overlapping with the first conversion part and having the second color, a second filter overlapping with the second conversion part and having the third color, a third filter overlapping with the third conversion part and having the first color, and an auxiliary filter overlapping with the second conversion part and configured to absorb the light of the first color.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jin Chu, Hoon Kim, Wontae Kim, Yeogeon Yoon, Hee-Keun Lee
  • Patent number: 11670225
    Abstract: A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Taek Kim, Sang Su Han, Kyun Ho Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee
  • Patent number: 11671590
    Abstract: An image decoding method according to the present invention may comprise the steps of: deriving a merge candidate from a candidate block; generating a first merge candidate list including the merge candidate; specifying any one of a plurality of merge candidates included in the first merge candidate list; deriving affine vectors of a current block on the basis of motion information of the specified merge candidate; deriving a motion vector of a sub-block in the current block on the basis of the affine vectors; and performing motion compensation on the sub-block on the basis of the motion vector.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 6, 2023
    Assignee: KT CORPORATION
    Inventor: Bae Keun Lee
  • Patent number: 11665357
    Abstract: An image decoding method, according to the present disclosure, comprises the steps of: parsing tile column number information indicating a value wherein 1 is subtracted from the number of tile columns included in the i-th slice; parsing tile row number information indicating a value wherein 1 is subtracted from the number of tile rows included in the i-th slice; and, if the tile column number information and the tile row number information are both 0, further parsing number information related to the number of slices in which height information in a tile including the i-th slice is clearly signaled.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: May 30, 2023
    Assignee: XRIS CORPORATION
    Inventors: Bae Keun Lee, Dong San Jun
  • Patent number: 11658233
    Abstract: A device including a substrate, a passivation layer, a source, a gate, a drain, and the gate including at least one step portion. Where the at least one step portion is arranged within the passivation layer, the at least one step portion includes at least one first surface and at least one second surface, where the at least one first surface is connected to the at least one second surface, where the gate includes a third surface, and where the at least one step portion is connected to the third surface. A process is also disclosed.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 23, 2023
    Assignee: WOLFSPEED, INC.
    Inventor: Kyoung-Keun Lee
  • Patent number: 11658537
    Abstract: Provided are a motor and an electric pump having the same, the motor including: a stator having a center made hollow to vertically pass through its opposite surfaces; a rotor which is disposed to be spaced apart from an inner surface of the stator, and into which a drive shaft is inserted to its center; a terminal block including a frame coupled to an upper side of the stator, ribs extending radially inward from the frame, and a ring portion which is coupled to the ribs and into which an upper side of the drive shaft of the rotor is rotatably inserted; and a terminal coupled to the terminal block and electrically connected to the coil of the stator, wherein the terminal may be easily coupled to the coil of the stator included in the motor, and the stator and the rotor may be easily aligned with each other.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: May 23, 2023
    Assignee: COAVIS
    Inventors: Hyun Tae Lee, Gyu Sang Yu, Woo Keun Lee
  • Publication number: 20230153993
    Abstract: A method for providing quantitative information for targets and a device using the same according to an exemplary embodiment of the present disclosure are provided. A quantitative information providing method for targets according to the exemplary embodiment of the present disclosure includes flowing a plurality of microdroplets into a chamber or a channel including a detection region acquiring a single layer of microdroplets in which the plurality of microdroplets is present as a single layer, and providing quantitative data of targets based on the single layer image of the microdroplets, and the detection region has a height which is one time to about two times of a diameter of the plurality of microdroplets and is defined as a region in which the plurality of microdroplets is dispersed in a plurality of columns to fill the detection region.
    Type: Application
    Filed: December 20, 2021
    Publication date: May 18, 2023
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyoung Gyun LEE, Seok Jae LEE, Nam Ho BAE, Dong Gee RHO, Tae Jae LEE, Moon Keun LEE, Yoo Min PARK
  • Publication number: 20230154434
    Abstract: An apparatus for correcting an image according to the disclosure includes a color difference detector displaying color difference test images and obtaining color difference recognition information of a user with respect to the color difference test images, a color correction data generator displaying color correction test images based on the color difference recognition information and generating color correction data for correcting color coordinates using the color correction test images, and an image correction data generator generating image correction data for correcting color coordinates for each grayscale of the image displayed by the display device based on the color difference recognition information and the color correction data.
    Type: Application
    Filed: August 9, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Keun LEE, Min Kyung KIM, Hyo Sun KIM
  • Patent number: 11650452
    Abstract: Disclosed are display devices and methods of fabricating the same. The display device comprises a display panel, an optical layer on the display panel, and a backlight unit that is below the display panel and provides the display panel with light. The optical layer includes a plurality of optical fiber segments, and an air layer between the optical fiber segments. The light generated from the backlight unit is provided to the optical fiber segments through the display panel, and the light is diffused by the optical fiber segments and an air layer dispersed among the optical fiber segments.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Juyoun Son, Dohun Kim, Jieun Nam, Jae Sul An, Kise Lee, Young-keun Lee
  • Publication number: 20230142908
    Abstract: A display device includes a processor which supplies grayscale data in active periods of frame periods and stops supply of the grayscale data in blank periods of the frame periods, a timing controller which generates a change signal when a difference between a first blank period of a first frame period and a second blank period of a second frame period is greater than a threshold value, a power supply which supplies a first power voltage having a voltage level changed based on the change signal to a first power line, and pixels commonly connected to the first power line.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 11, 2023
    Inventors: Jung Taek KIM, Kyun Ho KIM, Jae Woo RYU, Joon Suk BAIK, Se Keun LEE, Sang Su HAN
  • Publication number: 20230146329
    Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Inventors: Sang Su HAN, Kyun Ho KIM, Seong Jun KIM, Jung Taek KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • Publication number: 20230145007
    Abstract: A display device includes first electrodes comprising a first sub-electrode and a second sub-electrode, a first insulating layer comprising openings partially exposing upper surfaces of the first electrodes, second electrodes disposed on the first insulating layer and overlapping the first electrodes in a plan view, light emitting elements disposed on the first electrodes and comprising first light emitting elements and second light emitting elements, first connection electrodes to contact first ends of the light emitting elements and the first electrodes, a second insulating layer to surround the light emitting elements, and second connection electrodes. The first connection electrodes include a first electrode part and a second electrode part. The second connection electrodes include a third electrode part and a fourth electrode part.
    Type: Application
    Filed: November 3, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Hyun Wook LEE, Hee Keun LEE
  • Publication number: 20230135639
    Abstract: An electrode structure includes a conductive electrode, the conductive electrode including a first surface, an insulating layer on the conductive electrode, the insulating layer being in contact with the first surface of the conductive electrode, and a nano dot pattern in the conductive electrode and spaced apart from the first surface of the conductive electrode, the nano dot pattern including nano dots arranged in parallel to the first surface of the conductive electrode, and each of the nano dots including a first side surface adjacent to the first surface of the conductive electrode, the first side surface being flat and parallel to the first surface of the conductive electrode, and a second side surface opposite to the first side surface, the second side surface being convex in a direction away from the first surface of the conductive electrode.
    Type: Application
    Filed: August 16, 2022
    Publication date: May 4, 2023
    Inventors: Keun LEE, Kihyun YOON, Jeonggil LEE, Hauk HAN
  • Publication number: 20230135260
    Abstract: The present disclosure provides that the air conditioning system includes a compressor, a condenser, an expansion valve, and an evaporator through which a refrigerant circulates; an indoor unit in which the evaporator is disposed; an outdoor unit; and a dehumidification unit connected to the indoor unit, in which the dehumidification unit includes a regeneration channel including a first outdoor air inlet and an outdoor outlet, a dehumidification channel including an indoor air inlet or a second outdoor air inlet and an indoor supply, a dehumidification rotor disposed between the regeneration channel and the dehumidification channel, and a heat exchange unit disposed between the dehumidification rotor and the first outdoor air inlet in the regeneration channel to heat passing air, and the indoor unit is configured such that the air supplied from the indoor supply unit passes through the evaporator and then is supplied to a room.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 4, 2023
    Inventors: In Soo HWANG, Dong Keun LEE
  • Publication number: 20230132102
    Abstract: A method for estimating a state of health (SOH) of a battery includes obtaining a state of charge (SOC)-open circuit voltage (OCV) lookup table according to a SOH of a battery module or battery pack, and storing the SOC-OCV lookup table in a memory, calculating, based on a diagnosis time and a current rate, a first SOC change amount when the diagnosis time and the current rate are input, calculating a first slope for each SOC section corresponding to the first SOC change amount according to the SOH in the SOC-OCV lookup table according to the SOH, and determining, based on the first slope, first sections having high diagnostic accuracy.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 27, 2023
    Inventors: Ye Kyu KIM, Byung Eun LEE, Hyung Keun LEE