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: 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
  • Patent number: 11644992
    Abstract: A storage system performing data deduplication includes a storage device configured to store data received from a host, and a controller configured to receive the data and an index associated with the data received from the host. The controller includes a memory configured to store mapping information and a reference count, the mapping information associating the index received from the host with a physical address of the storage system, the reference count associated with the index received from the host. The controller determines whether the data received from the host corresponds to a duplicate of data previously stored in the storage device by reading, from the memory, the mapping information and the reference count, the reading based on the index received from the host. The controller performs a deduplication process by updating the reference count if the data received from the host corresponds to the duplicate of data previously stored.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: May 9, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-kug Cho, Byoung-young Ahn, Eun-jin Yun, Yang-seok Ki, Sil-wan Chang, Seok-chan Lee
  • Publication number: 20230134857
    Abstract: A lens foreign object detection heater includes a sensor disposed inside an external lens, to generate a sensing signal when a foreign object is present on the external lens, a heater disposed on the external lens, and operated by receiving driving power, a detector generating a trigger signal based on the sensing signal, and generating a detection signal based on the trigger signal, and a power controller supplying or blocking driving power to the heater in response to the detection signal.
    Type: Application
    Filed: September 23, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jae Chan LEE
  • Publication number: 20230133550
    Abstract: A method for fabricating a thin film transistor comprises disposing a semiconductor layer including a channel area, and a first and second electrode areas, disposing a gate insulating layer covering the semiconductor layer, disposing a diffusion barrier layer covering the gate insulating layer, disposing first and second electrode holes corresponding to the first and second electrode areas, and disposing a gate electrode overlapping the channel area, first and second electrodes electrically connected to the first and second electrode areas through the first and second electrode holes. The disposing of the first electrode hole, and the second electrode hole includes patterning the diffusion layer with a patterning mask disposed on the diffusion barrier layer. The disposing of the gate electrode and the first and second electrodes may include disposing a conductive material layer covering the diffusion barrier layer, and patterning the conductive material layer.
    Type: Application
    Filed: June 30, 2022
    Publication date: May 4, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Jung Eun HONG, Jin Taek KIM, Hyun KIM, Jeong Su PARK, Woong Hee JEONG
  • Publication number: 20230133865
    Abstract: A substrate transfer system capable of performing efficient distribution exchange between fabricating facilities is provided. The substrate transfer system includes a lower rail, an upper rail which is located above the lower rail from a ground plane, and extends to be parallel to the lower rail, a conveyor which extends to intersect the lower rail and the upper rail, below the lower rail, a first lower transport unit which transports a first carrier along the lower rail and unloads the first carrier onto the conveyor, and a first upper transport unit which transports a second carrier along the upper rail and unloads the second carrier onto the conveyor, wherein the conveyor includes a linear module which moves the first carrier and the second carrier in a linear direction, and a turning module which turns the first carrier and the second carrier.
    Type: Application
    Filed: May 16, 2022
    Publication date: May 4, 2023
    Inventors: YOUN GON OH, JI HUN KIM, SEUNG GU BANG, SUNG-HOON LEE, HO CHAN LEE, HYEONG SEOK CHOO
  • Publication number: 20230128161
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate; a first insulating layer disposed between the first electrode and the second electrode, and not overlapping the first electrode and the second electrode in a thickness direction of the first insulating layer; and a light emitting element disposed on the first insulating layer, wherein side surfaces of the first insulating layer contact the first electrode and the second electrode.
    Type: Application
    Filed: June 10, 2020
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Hun SONG, Sung Jin LEE, Jong Chan LEE, Tae Hee LEE, Hyun Wook LEE, Seung Jin CHU
  • Publication number: 20230109704
    Abstract: A multistereo camera apparatus includes a first camera having a first focal length, a second camera having a second focal length different from the first focal length, and a third camera having an adjustable third focal length, wherein the third camera operates in a pair with the first camera to measure a first distance, or in a pair with the second camera to measure a second distance different from the first distance.
    Type: Application
    Filed: September 23, 2022
    Publication date: April 13, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jae Chan LEE
  • Patent number: 11626075
    Abstract: A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 11, 2023
    Assignees: SAMSUNG DISPLAY CO, LTD., KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP
    Inventors: Tae Hoon Yang, Joon Ho Lee, Kee Chan Park, Ki Bum Kim, Jong Chan Lee, Woong Hee Jeong
  • Publication number: 20230107043
    Abstract: Provided is an equipment front end module (EFEM) including a base configured to communicate with a processor, a tray port on the base, the tray port being configured to load a tray including a stub and a grid holder, a working robot configured to move in a direction on the base, and grasp and convey the stub in the tray and the grid holder in the tray, and a shuttle port on the base, the shuttle port including a first groove configured to fix the stub, and a second groove configured to fix the grid holder, wherein the working robot is further configured to convey the stub to the first groove and convey the grid holder to the second groove.
    Type: Application
    Filed: April 1, 2022
    Publication date: April 6, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youn Gon OH, Sae Yun Ko, Gil Ho Gu, Dong Su Kim, Ji Hun Kim, Sang Hyuk Park, Eun Hee Lee, Ho Chan Lee, Seong Sil Jeong, Seong Pyo Hong
  • Publication number: 20230101404
    Abstract: Disclosed is a payload lifting device capable of stably lifting a payload using one lift-driving unit. In the payload lifting device including a lift-driving portion configured to vertically lift a payload, the lift-driving portion includes lift-driving units configured to generate a driving force for vertically lifting the payload, a first power transmission portion including first power transmission members which vary in vertical positions and apply a vertically lifting force to one side of a bottom of the payload when a first rotational shaft rotated by the driving force of the lift-driving units rotates, and a second power transmission portion including second power transmission members which vary in vertical positions and apply a vertical lifting force to the other side of the bottom of the payload when a second rotational shaft rotated by the driving force of the lift-driving units rotates.
    Type: Application
    Filed: December 27, 2019
    Publication date: March 30, 2023
    Inventor: Jong Chan LEE