Patents by Inventor Hak-Min Lee

Hak-Min 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: 20250102760
    Abstract: A laser device includes a laser source which emits a laser beam, a scanner located on a path of the laser beam emitted from the laser source to control the path of the laser beam, a lens module located on a path of a controlled laser beam to converge the laser beam, and a lens adaptor connecting the lens module to the scanner. The lens module includes a first lens part which accommodates a first lens, a second lens part which accommodates a second lens, and a connecting part located between the first lens part and the second lens part, where the connecting part has a longest diameter greater than a longest diameter of the first lens part and a longest diameter of the second lens part.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 27, 2025
    Inventors: EUN SU JUN, HAK-MIN KIM, HYOUNG-JOO KIM, YONG GEUN LEE, JONG-HEE LIM, ILYOUNG JEONG
  • Publication number: 20250105470
    Abstract: A current collector, which electrically connects an electrode assembly and a battery housing included in a cylindrical battery, is provided. The current collector includes a loop-shaped portion configured to surround a periphery of a central axis of the electrode assembly to define an opening region that exposes the first electrode tab; a tab coupling portion configured to extend toward the opening region from an inner side of the loop-shaped portion adjacent to the opening region and coupled with the first electrode tab exposed through the opening region; and a housing coupling portion configured to extend toward the inner circumference of the battery housing from an outer side of the loop-shaped portion and coupled with the battery housing.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 27, 2025
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Su-Ji CHOI
  • Publication number: 20250098512
    Abstract: A suction unit control method includes simulating an air flow about a suction port, through which fumes generated when a laser beam is radiated on a target substrate on a stage unit to cut the target substrate are sucked up, installing an air blower on three or four sides around a laser cutting end at a height close to the suction port, controlling on and off of first to fourth solenoid valves of the air blower based on a movement of the stage unit while performing laser cutting on the target substrate while moving the stage unit.
    Type: Application
    Filed: July 29, 2024
    Publication date: March 20, 2025
    Inventors: Jong-Hee LIM, Jaeil KIM, Hak-Min KIM, Hyoung-Joo KIM, Jin Pyung LEE, Eun Su JUN, Il Young JEONG, Sang Sun HAN
  • Patent number: 12255098
    Abstract: A carrier substrate includes a base layer, an antireflection layer, and an energy absorption layer, wherein the antireflection layer is formed on one surface of the base layer and allows an elastic wave generated by a first laser beam transmitted through an element adhesively bonded to the antireflection layer to be transmitted through the base layer without being reflected towards the element, the first laser beam being applied to the element through a source substrate of the element, and the energy absorption layer is formed between the base layer and the antireflection layer to be aligned with the element, and evaporates upon energy absorption.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: March 18, 2025
    Assignee: CENTER FOR ADVANCED META-MATERIALS
    Inventors: Jae Hyun Kim, Jae Gu Kim, Sang Min Kim, Kwang Seop Kim, Yun Hwangbo, Hak Joo Lee, Se Jeong Won
  • Publication number: 20250046638
    Abstract: A junction passage control system based on a location of an OHT using a power line communication, includes: an OHT controller mounted on an OHT which moves along tracks; and a central controller that is installed in a junction section of the tracks and controls junction passing of a plurality of OHTs, wherein power lines are laid on the tracks in a zone from a start point of the junction section to an end point of the junction section, and the central controller and the OHT controller transmit and receive data for a junction passage control through power line communication to and from each other.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 6, 2025
    Inventors: Hak Seo OH, Youl Kwon SUNG, Sung Ik KIM, Deok Ha LEE, Yun Jung PARK, Seong Min HWANG, Won Jai LEE, Sung Hyuk YOUN, Se Hun LEE
  • Patent number: 12213334
    Abstract: The present invention provides an organic emitting diode including a first electrode; a second electrode facing the first electrode; an emitting material layer between the first and second electrodes; and an intervening layer between the emitting material layer and the second electrode and including a base material and an electron injection material, wherein the intervening layer contacts the second electrode.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: January 28, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Jin Kim, Hak-Min Lee, Sung-Soo Park
  • Publication number: 20250019550
    Abstract: The present invention relates to a two-component thermally conductive polyurethane gap filler composition and, more particularly, provides a two-component thermally conductive polyurethane gap filler composition comprising: a primary composition comprising a catalyst and two or more mixtures selected from a polyol having one hydroxyl group, a polyol having two hydroxyl groups, and a polyol having 3 to 64 hydroxyl groups; and a curing agent composition comprising a moisture scavenger, a curing retardant, and at least one selected from a monomer having 2 or less isocyanate groups at a terminal and a polyurethane precursor obtained by reacting a monomer having 2 or less isocyanate groups at a terminal and a polyol.
    Type: Application
    Filed: December 7, 2022
    Publication date: January 16, 2025
    Applicant: JNC MATERIALS CO., LTD
    Inventors: Hak Min LEE, Jun Hwa LEE, Soo Ryeon LEE
  • Patent number: 12127438
    Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: October 22, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Min Lee, Hee-Jin Kim
  • Publication number: 20240224661
    Abstract: A dual-side organic light emitting display device comprising a transparent substrate including a pixel region, the pixel region including first and second regions; first and second driving elements in the first region and over the transparent substrate; a first organic light emitting diode in the second region and over the first and second driving elements, the first organic light emitting diode including a first electrode connected to the first driving element, a second electrode disposed over the first electrode and a first organic light emitting layer between the first and second electrodes; and a second organic light emitting diode in the first and second regions and on the first organic light emitting diode, the second organic light emitting diode including a third electrode disposed over the second electrode and connected to the second driving element and a second organic light emitting layer between the second and third electrodes.
    Type: Application
    Filed: November 14, 2023
    Publication date: July 4, 2024
    Inventors: Hee-Jin KIM, Hak-Min LEE
  • Patent number: 11937462
    Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong-Mook Choi, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Sung-Soo Park
  • Patent number: 11864440
    Abstract: An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: January 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Tae Lim, Ji-Ho Kang, Hak-Min Lee, Hyuk-Chan Gee
  • Publication number: 20220181414
    Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jeong-Mook CHOI, Nack-Youn JUNG, Hee-Jin KIM, Hak-Min LEE, Myung-O JOO, Sung-Soo PARK
  • Publication number: 20220173206
    Abstract: An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 2, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Hee-Tae LIM, Ji-Ho KANG, Hak-Min LEE, Hyuk-Chan GEE
  • Publication number: 20220173179
    Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.
    Type: Application
    Filed: September 15, 2021
    Publication date: June 2, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hak-Min LEE, Hee-Jin KIM
  • Patent number: 11289555
    Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 29, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong-Mook Choi, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Sung-Soo Park
  • Publication number: 20220059794
    Abstract: The present invention provides an organic emitting diode including a first electrode; a second electrode facing the first electrode; an emitting material layer between the first and second electrodes; and an intervening layer between the emitting material layer and the second electrode and including a base material and an electron injection material, wherein the intervening layer contacts the second electrode.
    Type: Application
    Filed: November 4, 2021
    Publication date: February 24, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Hee-Jin KIM, Hak-Min LEE, Sung-Soo PARK
  • Patent number: 11094761
    Abstract: An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: August 17, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Soo Park, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Jeong-Mook Choi
  • Patent number: 11049918
    Abstract: An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: June 29, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Min Lee, Nack-Youn Jung, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park, Jeong-Mook Choi
  • Patent number: 10847590
    Abstract: An electroluminescent display device can include a plurality of sub-pixels arranged on a substrate along a first direction and a second direction; a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode; a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode; a second bank having an opening corresponding to the sub-pixels arranged along the second direction and disposed between adjacent sub-pixels along the first direction; and a third bank on side surfaces of the second bank facing each other along the second direction.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 24, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Myung-O Joo, Sung-Soo Park
  • Patent number: 10784460
    Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 22, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Min Lee, Young-Jun Yu, Hee-Jin Kim, Sung-Soo Park