Patents by Inventor Geun-A LEE

Geun-A 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: 20230111380
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a substrate, pixel electrodes on the substrate, and light emitting elements on the pixel electrodes, each of the light emitting elements including a first stack configured to emit first light, a second stack below the first stack, and configured to emit second light, a third stack below the second stack, and configured to emit third light, and tunnel function layers respectively between the first stack and the second stack, and between the second stack and the third stack.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Jin Wan Kim, Seung Geun Lee, Sang Jo KIM, Hoo Keun Park
  • Patent number: 11626060
    Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Nam Kim, Sung Hoon Lim, Woo Geun Lee, Kyu Sik Cho, Jae Beom Choi
  • Publication number: 20230106399
    Abstract: A light emitting element includes: a first semiconductor layer; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; a third semiconductor layer comprising a third-first semiconductor layer and a third-second semiconductor layer stacked on the second semiconductor layer; and a fourth semiconductor layer disposed on the third-second semiconductor layer. The third semiconductor layer is a tunneling junction layer. A sum of a thickness of the fourth semiconductor layer and the third-second semiconductor layer is different from a sum of a thickness of the second semiconductor layer and the third-first semiconductor layer.
    Type: Application
    Filed: March 27, 2020
    Publication date: April 6, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Geun LEE, Seung A LEE, Dae Hyun KIM, Dong Uk KIM, Hyun Min CHO
  • Patent number: 11621253
    Abstract: A light emitting device including a first light emitting part having a first area, a second light emitting part having a second area, and a third light emitting part having a third area, in which the first light emitting part is disposed on the same plane as the second light emitting part, the third light emitting part is disposed over the first and second light emitting parts, and the third area is larger than each of the first and second areas.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: April 4, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chan Seob Shin, Seom Geun Lee, Ho Joon Lee, Seong Kyu Jang
  • Patent number: 11617987
    Abstract: A reverse osmosis apparatus for a seawater desalination system is provided. The reverse osmosis apparatus includes a barrel in which a plurality of vessels receiving reverse osmosis membrane units are arranged, a feed tank provided in an intermediate portion of the barrel and connected to a seawater inlet, a first water tank provided inside a first end portion of the barrel and connected to a plurality of first vessels connected to a first side of the feed tank, and a second water tank provided inside a second end portion of the barrel and connected to a plurality of second vessels connected to a second side of the feed tank.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: April 4, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Yong Hae Park, Wee Kwan Kang, Hye Ryun Ahn, Young Geun Lee
  • Publication number: 20230097071
    Abstract: The present disclosure relates to a wheel speed sensor for a vehicle, the wheel speed sensor including: a base unit; a plurality of support units positioned on the base unit; and chip units respectively mounted on the support units and configured to detect a measurement target.
    Type: Application
    Filed: January 4, 2022
    Publication date: March 30, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Dong Geun LEE, Da Mi SO, Ji Soo LEE
  • Publication number: 20230094394
    Abstract: Disclosed is a sensing device for an electromechanical brake, including: a power part configured to generate an operation force for braking when power is applied thereto; a housing positioned on the power part; a pressurized part positioned on the housing and pressurized by a reaction force caused by driving of the power part; and a sensing part connected to the housing and configured to sense a pressing force by the pressurized part.
    Type: Application
    Filed: January 12, 2022
    Publication date: March 30, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Dong Geun LEE
  • Patent number: 11617134
    Abstract: A power control method of a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is provided for reducing power consumption by turning off the bias of the power amplifier for the duration of a symbol carrying no user data. The method includes checking scheduling information of radio resources, detecting a symbol carrying no user data, based on the scheduling information, and turning off a bias of the power amplifier for a symbol duration of the symbol carrying no user data. The transmission power control method is capable of reducing power consumption of the base station by turning off the bias of the power amplifier of the base station for the symbol duration in which no user data is transmitted.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Geun Lee, Young Bae Park, Young Kyu Choi, Ki Back Kim
  • Patent number: 11617133
    Abstract: A power control method of a base station in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA) is provided for reducing power consumption by turning off the bias of the power amplifier for the duration of a symbol carrying no user data. The method includes checking scheduling information of radio resources, detecting a symbol carrying no user data, based on the scheduling information, and turning off a bias of the power amplifier for a symbol duration of the symbol carrying no user data. The transmission power control method is capable of reducing power consumption of the base station by turning off the bias of the power amplifier of the base station for the symbol duration in which no user data is transmitted.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Geun Lee, Young Bae Park, Young Kyu Choi, Ki Back Kim
  • Patent number: 11609483
    Abstract: An integrated circuit (IC) includes circuitry configured to, drive a flash unit comprising at least one light-emitting device, by providing a supply voltage to the flash unit based on an external input power source or a battery, the supply voltage being provided along one of a plurality of different current paths corresponding to a plurality of operation states, no voltage being received from the external input power source in a first operation state among the plurality of operation states, a first voltage level being received from the external input power source in a second operation state among the plurality of operation states, and a second voltage level being received from the external input power source in a third operation state among the plurality of operation states, and charge the battery based on an charging voltage received from the external input power source.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-kyu Kwon, Chang-geun Lee, Dong-joon Kim, Sang-uk Cho
  • Publication number: 20230081487
    Abstract: A display panel including a circuit board having first pads, light emitting devices disposed on the circuit board and having second pads and including at least one first light emitting device to emit light having a first peak wavelength and second light emitting devices to emit light having a second peak wavelength, and a metal bonding layer electrically connecting the first pads and the second pads, in which the metal bonding layer of the first light emitting device has a thickness different from that of the metal bonding layer of the second light emitting devices while including a same material, and an upper surface of the second light devices are disposed at an elevation between an upper surface and a bottom surface of the first light emitting device.
    Type: Application
    Filed: November 20, 2022
    Publication date: March 16, 2023
    Inventors: Jong Hyeon CHAE, Ik Kyu YOU, Seom Geun LEE, Seong Kyu JANG, Yong Woo RYU
  • Publication number: 20230074026
    Abstract: A light emitting device including a plurality of semiconductor layers stacked in a vertical direction, a multiple quantum region disposed between the plurality of semiconductor layer, a first electrode electrically connected to at least one of the semiconductor layers, and an insulation layer disposed on the plurality of semiconductor layers, in which the at least one of the semiconductor layer includes a first surface from which a growth substrate is separated and a side surface forming an inclined angle with respect to the vertical direction, the insulation layer covers the inclined side surface, the first surface includes a textured surface through which light from the multiple quantum region is configured to pass, and the first electrode has a circular shape in a top view and a truncated cone shape in a cross-sectional view.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Inventors: Seom Geun LEE, Seong Kyu Jang, Chan Seob Shin, Ho Joon Lee
  • Publication number: 20230073879
    Abstract: A display device includes: a substrate; a semiconductor layer; a gate electrode overlapping the semiconductor layer; a common voltage line disposed on a same layer as the gate electrode; a common voltage line anti-oxidation layer disposed on the common voltage line; an interlayer insulating layer; source and drain electrodes disposed on the interlayer insulating layer; and a common voltage applying electrode disposed on a same layer as the source electrode and the drain electrode. The common voltage applying electrode is connected to the common voltage line through a first contact hole formed in the interlayer insulating layer, the common voltage line anti-oxidation layer includes an opening overlapping the common voltage line, the interlayer insulating layer is disposed in the opening, a width of the opening is smaller than a width of the common voltage line, and the first contact hole is disposed in the opening in a plan view.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 9, 2023
    Inventors: Chun Gi YOU, Gwang Geun Lee
  • Publication number: 20230066350
    Abstract: A light emitting element may include: a light emitting element core including a first semiconductor layer, a second semiconductor layer, and a light emitting layer between the first semiconductor layer and the second semiconductor layer; and a single crystal insulating layer around a side surface of the light emitting element core.
    Type: Application
    Filed: May 5, 2022
    Publication date: March 2, 2023
    Inventors: Young Chul SIM, Jin Wan KIM, Dong Uk KIM, Dong Kyun SEO, Byung Ju LEE, Seung Geun LEE, Hyung Rae CHA
  • Publication number: 20230061476
    Abstract: A display device includes a first electrode and a second electrode that are disposed on a substrate, a light emitting element disposed on the first electrode and the second electrode, a first contact electrode electrically connecting the first electrode and the light emitting element to each other, and a second contact electrode electrically connecting the second electrode and the light emitting element to each other. The light emitting element includes a first semiconductor layer including a semiconductor of a first type, a second semiconductor layer including a semiconductor of a second type, and an active layer disposed between the first semiconductor layer and the second semiconductor layer. The first semiconductor layer includes a doped semiconductor layer including a porous structure.
    Type: Application
    Filed: June 1, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Su Jeong KIM, Jin Wan KIM, Seung Geun LEE, Sang Jo KIM
  • Publication number: 20230057960
    Abstract: A tiled display device may include a first panel including a first display element layer; a second panel including a second display element layer; and a shared layer including a color conversion part. The shared layer may include a first portion and a second portion. The first portion may overlap the first panel in a plan view. The second portion may overlap the second panel in a plan view. The color conversion part may change a wavelength of light provided from the first panel and the second panel.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 23, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Moo HUH, Jin Wook JEONG, Sun PARK, Ki Chang EOM, Gwang Geun LEE
  • Patent number: 11584286
    Abstract: A delivery robot equipped with a loading module is disclosed. The delivery robot includes a communicator for communicating with a control center or a mobile terminal within a control range of an article sender, one or more sensing units, an inputter for receiving information on an article and destination information on the article, a memory for storing a delivery list, a display, and a controller. The delivery robot may be equipped with artificial intelligence and may also perform 5G (generation) communication. Thus, user convenience can be improved.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: February 21, 2023
    Assignee: LG ELECTRONICS INC.
    Inventor: Don Geun Lee
  • Publication number: 20230048794
    Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 16, 2023
    Inventors: Sun-Yong Park, Song-Geun Lee, Matthew B. Johnson, Adam D. Haag
  • Publication number: 20230046834
    Abstract: Described herein are bispecific antibodies simultaneously targeting both CHI3L1 and the immune checkpoint molecule CTLA4. These antibodies manifest enhanced synergistic cytotoxic effects compared to the effects of individual CHI3L1 and CTLA4 antibodies, alone or in combination. Methods of treating tumors, including lung and brain tumors by administering the bispecific antibodies described herein are also provided.
    Type: Application
    Filed: November 19, 2020
    Publication date: February 16, 2023
    Inventors: Jack A. Elias, Chun Geun Lee, Suchitra Kamle
  • Publication number: 20230051348
    Abstract: A brake pressure sensor may include: a housing part; an induction part mounted in a first end portion of the housing part, and configured to guide oil; an adjusting part embedded in the housing part, and configured to guide oil, and adjust an amount of oil passing therethrough, as a spacing between the adjusting part and the induction part is varied while the adjusting part is moved according to hydraulic pressure; a support part mounted in a second end portion of the housing part, and configured to support the adjusting part and guide the oil having passed through the adjusting part; and a measurement part connected to the support part, and configured to measure the pressure of the oil having passed through the support part.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 16, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Dong Geun LEE