Patents by Inventor Chan Lee

Chan 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: 11705478
    Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Jeong Nyun Kim, Jung Gun Nam, Sung Geun Bae, Sung Jin Lee, Tae Hee Lee
  • Patent number: 11695340
    Abstract: Disclosed is an electronic device, which includes a direct voltage to direct voltage converter, and a controller that receives first current information, second current information, an input voltage, and a feedback voltage from the direct voltage to direct voltage converter, controls the direct voltage to direct voltage converter based on the input voltage in one of a first mode, a second mode, or a third mode, controls the direct voltage to direct voltage converter based on the first current information and an output voltage such that buck conversion is performed in the first mode and the second mode, and controls the direct voltage to direct voltage converter based on the second current information and the output voltage such that boost conversion is performed in the second mode and the third mode.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Chan Lee, Dongho Shin, Chang Seok Chae
  • Publication number: 20230209923
    Abstract: A light emitting display device includes: a substrate; a transistor disposed on the substrate; an anode connected to the transistor; an emission layer disposed on the anode; a common voltage line disposed on the substrate; and a cathode disposed on the emission layer and the common voltage line, where a thickness of a first portion of the cathode overlapping the emission layer is different from a thickness of a second portion of the cathode not overlapping the emission layer.
    Type: Application
    Filed: August 1, 2022
    Publication date: June 29, 2023
    Inventors: Beom Soo PARK, Seung Chan LEE, Wang Jo LEE, Donghee CHOI
  • Publication number: 20230203655
    Abstract: Provided are a composition for depositing an antimony-containing thin film including a novel antimony compound which may be useful as a precursor of an antimony-containing thin film and a method for manufacturing an antimony-containing thin film using the same.
    Type: Application
    Filed: December 27, 2022
    Publication date: June 29, 2023
    Inventors: Yong Hee KWONE, Young Jae IM, Sang Yong JEON, Tae Seok BYUN, Sang Chan LEE, Sang Ick LEE
  • Publication number: 20230209887
    Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Sun Ho KIM, Sun Hee LEE, Gun Hee KIM, Tae Hoon YANG, Seung Chan LEE, Joo Hee JEON
  • Publication number: 20230207738
    Abstract: A display device includes: a plurality of pixels having emission areas; a first and second electrode and a second electrode in an emission area; a bank layer extending around the emission areas and having a plurality of trench portions between adjacent ones of the emission areas; a plurality of light emitting elements on the first and second electrodes; a first and second connection electrode on the first electrode and the second electrode, respectively, and in contact with at least one of the light emitting elements. Ones of the trench portions are spaced apart from each other in the first direction and are a partially depressed top surface of the bank layer, and each of the trench portions has a maximum width that is smaller than a length of the light emitting element.
    Type: Application
    Filed: November 9, 2022
    Publication date: June 29, 2023
    Inventors: Eun A YANG, Han Su KIM, Jong Chan LEE
  • Publication number: 20230203679
    Abstract: Disclosed herein is a method for fabricating a membrane-electrode assembly for PEM water electrolysis, whereby the electrode layer can be improved in electrical conductivity. Specifically, a membrane-electrode assembly for PEM water electrolysis, comprising: a polymer electrolyte membrane; an anode disposed on one surface of the polymer electrolyte membrane and containing an anode catalyst; a cathode disposed on another surface of the polymer electrolyte membrane and containing a cathode catalyst; and a platinum layer disposed on the anode, and a fabrication method therefor are provided.
    Type: Application
    Filed: December 28, 2022
    Publication date: June 29, 2023
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Sang Kyung KIM, Won Chul CHO, Hyun Seok CHO, Min Joong KIM, Chang Soo LEE, Jae Hun LEE, Se Chan LEE
  • Publication number: 20230191589
    Abstract: Disclosed is a payload transportation device for transporting a payload, which has a low height and in which driving wheels are configured to come into constant contact with a ground surface even when the ground surface is uneven.
    Type: Application
    Filed: July 22, 2020
    Publication date: June 22, 2023
    Inventor: Jong Chan LEE
  • Patent number: 11683958
    Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Chan Lee, Beom Soo Park, Wang Jo Lee, Jae Bum Cho, Jae Ik Lim
  • Patent number: 11682796
    Abstract: An integrated switching device in which a contactor unit which is capable of controlling a continuity state of an electric circuit, a blocking unit which is capable of cutting a contactor and blocking a current when abnormality is generated in the contactor or a current having a size exceeding a permitted current range of the contactor is generated, and a current measuring unit which is capable of measuring a current by using shunt resistor are integrated into one device, thereby performing various functions only with one device.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 20, 2023
    Inventors: Chang Bog Lee, Jae Chan Lee
  • Patent number: 11682353
    Abstract: An organic light emitting diode display includes: a substrate; an overlapping layer on the substrate; a pixel on the substrate and the overlapping layer; and a scan line, a data line, a driving voltage line, and an initialization voltage line that are connected to the pixel. The pixel includes: an organic light emitting diode; a second transistor connected to the scan line and the data line; a driving transistor including a gate electrode, an input terminal, and an output terminal, and to apply a current to the organic light emitting diode from the output terminal; and a voltage application transistor to apply a voltage to the overlapping layer. An output of the second transistor is connected to the input terminal of the driving transistor, and the overlapping layer is between the driving transistor and the substrate while overlapping with the driving transistor on a plane.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Won Yoon, Gun Hee Kim, Sang Ho Park, Seung Chan Lee, Joo Hee Jeon
  • Publication number: 20230187428
    Abstract: A display device may include a plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include a via layer on a substrate and including an organic layer, a first alignment electrode and a second alignment electrode on the via layer in the emission area and spaced apart from each other, a first insulating layer on the first and second alignment electrodes of the emission area and including a lyophilic organic material, a first bank pattern and a second bank pattern on the first insulating layer of the emission area and spaced apart from each other, a first bank in the non-emission area and including a liquid repellent organic material, and a light emitting element on the first insulating layer in the emission area.
    Type: Application
    Filed: October 6, 2022
    Publication date: June 15, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG, Jung Eun HONG
  • Patent number: 11665466
    Abstract: Disclosed is a sheet-shaped air absorbent for a speaker-box system using porous carbon fibers and a speaker-box system including the same, wherein an air absorbent for a speaker-box system includes at least one sheet member, and the sheet member was made by weaving fibers comprising a porous carbon-based substance or a sheet member with at least two layers, and the sheet member was made by weaving fibers comprising a porous carbon-based substance.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: May 30, 2023
    Assignee: NEXVEL CO., LTD
    Inventors: Dae Lyun Kang, Seung Chan Lee
  • Patent number: 11664903
    Abstract: A method and apparatus for generating a four-level pulse amplitude modulation (PAM-4) optical signal are disclosed. The method of generating a PAM-4 optical signal may include outputting a PAM-4 electrical signal, generating a PAM-4 optical signal based on the PAM-4 electrical signal, extracting feature information of the PAM-4 electrical signal from the PAM-4 electrical signal, and generating a control signal to control an operation of generating the PAM-4 electrical signal based on the feature information.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: May 30, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Jyung Chan Lee
  • Patent number: 11664691
    Abstract: The present invention provides A motor comprising: a shaft; a rotor including a hole in which the shaft is disposed; and a stator outside the rotor, wherein the rotor comprises a rotor core and a magnet, wherein the rotor core comprises: a main body; a pocket which is formed in the main body and in which the magnet is disposed; first barriers extending from both sides of the pocket; and second barriers formed between an inner circumferential surface of the main body and an outer circumferential surface of the main body, wherein a center (C11) of the second barrier has a certain arrangement angle (?) in a circumferential direction from a first line (L11) passing through a center (CC) of the main body and a center of a width (W) of the magnet.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: May 30, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Byung Sam Lee, Sang Tae Kim, Su Won Kim, Hyun Kag Park, Jong Chan Lee
  • Publication number: 20230154937
    Abstract: A display device includes: a substrate having an emission area and a non-emission area; a first bank in the non-emission area of the substrate and having an opening; electrodes on the first bank and spaced apart from each other; a second bank on the electrodes; and light emitting elements on the second bank between the electrodes. The second bank has a first area overlapping the light emitting elements and a second area in the opening in the first bank.
    Type: Application
    Filed: July 29, 2022
    Publication date: May 18, 2023
    Inventors: Jong Chan LEE, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG, Jung Eun HONG
  • Publication number: 20230148430
    Abstract: An embodiment provides a display device including a pixel disposed in a display area. The pixel includes a light emitting part that includes a light emitting element, pixel electrodes disposed on a first end portion and a second end portion of the light emitting element, and at least one insulating layer, a light conversion layer disposed on the light emitting part, the light conversion layer including light conversion particles, and a first layer disposed between the light emitting part and the light conversion layer. A refractive index of the first layer is equal to or less than a refractive index of the at least one insulating layer.
    Type: Application
    Filed: September 15, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun KIM, Jin Taek KIM, Jeong Su PARK, Jong Chan LEE, Jung Eun HONG
  • Publication number: 20230145538
    Abstract: A substrate treating apparatus includes a housing, treating space and support unit to support a substrate, dielectric plate, gas supply unit, and plasma source to generate a plasma and including a top edge electrode above the edge region supported by the support unit and bottom edge electrode below the edge region supported by the support unit, which includes a support plate having an inner space and vacuum hole that communicates with the inner space and sucking the substrate on the top surface. A lift pin assembly can transfer the substrate between an outside transfer unit and the support plate. A decompression unit can apply negative pressure to the inner space. The lift pin assembly includes a base plate and through hole penetrating the base plate to provide negative pressure in a region under the base plate to a region over the base plate. Lift pins protrude from the base plate and support a bottom substrate surface. A driver can lift/lower the base plate within the inner space.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 11, 2023
    Inventors: Jong Chan Lee, Ju Young Park, Jun Young Cho, Hyeon Gyeong Shin
  • Publication number: 20230147926
    Abstract: A method of controlling an electric vehicle including twin clutches includes twin clutches for the electric vehicle driven by power of a drive motor and includes determining, by a clutch controller, whether a releasing condition for releasing engagement of the twin clutches is satisfied, controlling, by the clutch controller, the twin clutches to 0 torque when the releasing condition is satisfied, controlling the drive motor to 0 rpm by a vehicle controller when a torque applied to the twin clutches is less than a predetermined torque, and controlling the drive motor to 0 torque when a speed of the drive motor is less than a predetermined speed.
    Type: Application
    Filed: September 19, 2022
    Publication date: May 11, 2023
    Inventors: Taewoo LEE, Jeong Won SONG, Sung Keun LIM, JunSeok PARK, Jong Chan LEE, Heon KANG
  • Patent number: 11647308
    Abstract: An analog-to-digital converting circuit includes: an analog-to-digital converter suitable for performing an analog-to-digital conversion on pixel signals of a plurality of pixels provided in a pixel array; a ramp signal generator suitable for providing a ramp signal to the analog-to-digital converter; and an auto-zero controller suitable for providing a reference voltage to the analog-to-digital converter to perform an auto-zeroing operation by using a row pixel for which a readout operation is performed by the analog-to-digital converter.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: May 9, 2023
    Assignee: SK hynix Inc.
    Inventors: Jin Uk Jeon, Oh Jun Kwon, Jin Seon Kim, Hak Soon Kim, Han Sang Kim, Kang Bong Seo, Sung Uk Seo, Jeong Eun Song, Min Seok Shin, Sun Young Lee, Eun Chang Lee, Hoo Chan Lee