Patents by Inventor Beom Seok Lee

Beom Seok 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: 11183634
    Abstract: A method of manufacturing an electronic device including a semiconductor memory may include forming a first active layer, forming a first electrode material over the first active layer, performing a heat treatment process on the first electrode material and the first active layer, and forming a second electrode material over the heat-treated first electrode material.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: November 23, 2021
    Assignee: SK hynix Inc.
    Inventors: Woo Tae Lee, Beom Seok Lee
  • Publication number: 20210280781
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 9, 2021
    Inventors: Myoung Sub KIM, Tae Hoon KIM, Beom Seok LEE, Seung Yun LEE, Hwan Jun ZANG, Byung Jick CHO, Ji Sun HAN
  • Patent number: 11110454
    Abstract: A microfluidic structure in which a plurality of chambers arranged at different positions are connected in parallel and into which a fixed amount of fluid may be efficiently distributed without using a separate driving source, and a microfluidic device having the same. The microfluidic device includes a platform having a center of rotation and including at least one microfluidic structure. The microfluidic structure includes a sample supply chamber configured to accommodate a sample, a plurality of first chambers arranged in a circumferential direction of the platform at different distances from the center of rotation of the platform, and a plurality of siphon channels, each of the siphon channels being connected to a corresponding one of the first chambers.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: September 7, 2021
    Assignee: NEXUS DX, INC.
    Inventor: Beom Seok Lee
  • Publication number: 20210268788
    Abstract: The present invention relates to an optical film laminating system for laminating an optical film on a panel in order to manufacture a display unit wherein a control unit which sets, in accordance with attachment conditions, an optical film laminating mode in respect to the panel to at least one of a first mode in which the panel and the optical film are inputted together between a first roller unit and a second roller unit so that the optical film is laminated on the panel, and a second mode in which the second panel conveying unit holds the panel by suction and conveys the panel and the optical film is inputted between the panel and an attachment roller unit, which is any one of the first roller unit and the second roller unit, so that the optical film is laminated on the panel.
    Type: Application
    Filed: February 13, 2019
    Publication date: September 2, 2021
    Inventors: Beom Seok Lee, Yu Jin LIM, Chan Soo KIM, Eung Jin JANG
  • Publication number: 20210255115
    Abstract: An exemplary embodiment of the present invention provides a foreign substance inspection system for a display unit, including: a lighting unit configured to provide incident light to a display unit having an organic light emitting display panel; and a foreign substance detecting unit configured to receive incident light that is reflected by the display unit and detect whether a foreign substance is introduced into the display unit.
    Type: Application
    Filed: June 21, 2019
    Publication date: August 19, 2021
    Inventors: Beom Seok LEE, Chan Soo KIM, Eung Jin JANG, Sung Hyun BAEK, Yu Jin LIM
  • Patent number: 11084265
    Abstract: A system for manufacturing a laminated film, in which a first film and a second film are sequentially laminated, and the system includes: a film supplying part which supplies the first film and the second film; a bonding part which includes a first roll and a second roll that rotate in opposite directions, and compresses the first film and the second film supplied from the film supplying part and bonds the first film and the second film as the laminated film; and a bending inducing part which supports and bends the laminated film bonded and output from the bonding part, in which the second roll shifts in a direction along a circumference of a virtual circle having a larger radius than a radius of the first roll to control the bending of the laminated film.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: August 10, 2021
    Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.
    Inventors: Beom Seok Lee, Hang Suk Choi, Jae Hoon Choi, Eung Jin Jang, Suk Jae Lee, Ju Young Jeoung, Kyu Sung Hwang, Sung Kyum Kim
  • Publication number: 20210226176
    Abstract: A system for manufacturing an optical display element by laminating an optical film on one surface of a rectangular organic light emitting display panel, the system including: a panel supply unit to which an organic light emitting display panel is supplied; a panel conveying unit which conveys the supplied organic light emitting display panel; an optical film supply unit which supplies an optical film by unwinding the optical film from a raw optical film roll; a laminating unit which laminates the optical film on one surface of the organic light emitting display panel; and a turning unit which rotates the organic light emitting display panel by 90° before the optical film is laminated on one surface of the organic light emitting display panel when a width-directional edge of the supplied organic light emitting display panel does not correspond to a width of the raw optical film roll.
    Type: Application
    Filed: June 28, 2019
    Publication date: July 22, 2021
    Inventors: Beom Seok Lee, Chan Soo Kim, Eung Jin Jang, Sung Hyun Baek, Yu Jin Lim
  • Publication number: 20210178742
    Abstract: A method of manufacturing a display unit including: preparing an optical film; forming a first alignment mark on the optical film; forming a cut-out line, corresponding to a predetermined closed curve layout, on the optical film based on a position of the first alignment mark; preparing a panel having a second alignment mark; aligning the optical film and the panel based on the positions of the first alignment mark and the second alignment mark; and laminating the optical film, after the processing of forming the cut-out line, on the panel.
    Type: Application
    Filed: March 13, 2019
    Publication date: June 17, 2021
    Inventors: Beom Seok LEE, Hang Suk CHOI, Eung Jin JANG
  • Publication number: 20210110871
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes word lines, bit lines intersecting the word lines, and memory cells coupled to and disposed between the word lines and the bit lines, each of the memory cells including a variable resistance layer in an amorphous state regardless of a value of data stored in the memory cells. In a reset operation, a memory cell is programmed to a high-resistance amorphous state by applying, to the memory cell, a sub-threshold voltage that is lower than a lowest threshold voltage among threshold voltages of the memory cells.
    Type: Application
    Filed: December 22, 2020
    Publication date: April 15, 2021
    Inventors: Sang Hyun Ban, Beom Seok Lee, Woo Tae Lee, Tae Hoon Kim, Hwan Jun Zang, Hye Jung Choi
  • Publication number: 20210083185
    Abstract: A chalcogenide material may include germanium (Ge), arsenic (As), selenium (Se) and from 0.5 to 10 at % of at least one group 3 element. A variable resistance memory device may include a first electrode, a second electrode, and a chalcogenide film interposed between the first electrode and the second electrode and including from 0.5 to 10 at % of at least one group 3 element. In addition, an electronic device may include a semiconductor memory. The semiconductor memory may include a column line, a row line intersecting the column line, and a memory cell positioned between the column line and the row line, wherein the memory cell comprises a chalcogenide film including germanium (Ge), arsenic (As), selenium (Se), and from 0.5 to 10 at % of at least one group 3 element.
    Type: Application
    Filed: April 22, 2020
    Publication date: March 18, 2021
    Inventors: Gwang Sun JUNG, Sang Hyun BAN, Jun Ku AHN, Beom Seok LEE, Young Ho LEE, Woo Tae LEE, Jong Ho LEE, Hwan Jun ZANG, Sung Lae CHO, Ye Cheon CHO, Uk HWANG
  • Patent number: 10946589
    Abstract: Exemplary embodiments of the present invention provide an optical film attachment system which is connected to a downstream device and includes a panel conveyance path, the optical film attachment system including: a connection unit which connects the panel conveyance path and the downstream device and conveys the panel; a first inspection unit which is positioned on the panel conveyance path and finds out whether the panel with the attached optical film has a defect; and a second inspection unit which is positioned at a position spaced apart from the panel conveyance path and re-inspects a defect-determined panel determined as a defective panel by inspection by the first inspection unit; in which the connection unit includes a main conveyance path in which a first conveyance unit and a second conveyance unit are sequentially arranged in a conveyance direction of the panel conveyance path, a first auxiliary conveyance path which connects the first conveyance unit and the second inspection unit and is bypassed
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: March 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Ju Young Jeoung, Kyoung Sik Kim, Hang Suk Choi, Eung Jin Jang
  • Publication number: 20210063780
    Abstract: A display unit manufacturing system including: a panel conveyance route including an optical film attaching unit configured to attach an optical film to a panel; an inspection unit which inspects whether the panel having the optical film attached thereto is defective and identifies a defective panel; a panel storing unit which stores the defective panel after the optical film is separated therefrom; and a control unit which controls whether the panel stored in the panel storing unit is supplied to the panel conveyance route.
    Type: Application
    Filed: March 20, 2019
    Publication date: March 4, 2021
    Inventors: Beom Seok LEE, Yu Jin LIM, Hang Suk CHOI, Eung Jin JANG
  • Publication number: 20210053054
    Abstract: A microfluidic structure in which a plurality of chambers arranged at different positions are connected in parallel and into which a fixed amount of fluid may be efficiently distributed without using a separate driving source, and a microfluidic device having the same. The microfluidic device includes a platform having a center of rotation and including at least one microfluidic structure. The microfluidic structure includes a sample supply chamber configured to accommodate a sample, a plurality of first chambers arranged in a circumferential direction of the platform at different distances from the center of rotation of the platform, and a plurality of siphon channels, each of the siphon channels being connected to a corresponding one of the first chambers.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventor: Beom Seok LEE
  • Publication number: 20210020244
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes a word line, a bit line, and a memory cell coupled to and disposed between the word line and the bit line, the memory cell including a variable resistance layer that remains in an amorphous state regardless of a value of data stored in the memory cell. In a reset operation, the memory cell is programmed to a high-resistance amorphous state by applying, to the memory cell, a sub-threshold voltage that is greater than 0.7 time of a threshold voltage of the memory cell and is smaller than 0.95 time of the threshold voltage.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 21, 2021
    Inventors: Sang Hyun BAN, Beom Seok LEE, Woo Tae LEE, Tae Hoon KIM, Hwan Jun ZANG, Hye Jung CHOI
  • Publication number: 20210013409
    Abstract: A method of manufacturing an electronic device including a semiconductor memory may include forming a first active layer, forming a first electrode material over the first active layer, performing a heat treatment process on the first electrode material and the first active layer, and forming a second electrode material over the heat-treated first electrode material.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 14, 2021
    Inventors: Woo Tae LEE, Beom Seok LEE
  • Patent number: 10868249
    Abstract: A chalcogenide material and an electronic device are provided. The chalcogenide material may include 0.1-5 atomic percent (at %) of silicon, 15-22 at % of germanium, 30-35 at % of arsenic and 40-50 at % of selenium. The electronic device may include a semiconductor memory device, the semiconductor memory device including a first memory cell that includes a first switching element. The first switching element may include a chalcogenide material including 0.1-5 atomic percent (at %) of silicon, 15-22 at % of germanium, 30-35 at % of arsenic, and 40-50 at % of selenium.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: December 15, 2020
    Assignee: SK HYNIX INC.
    Inventors: Woo-Tae Lee, Gwang-Sun Jung, Tae-Hoon Kim, Sang-Hyun Ban, Beom-Seok Lee, Uk Hwang
  • Publication number: 20200370225
    Abstract: A driving apparatus for a washing machine includes a clutch main body 1 in which a brake drum 13 is located inside; a clutch operation unit 2 installed at one side of the clutch main body 1; a clutch coupler 20 located at the bottom of the clutch main body 1; a decelerator 3 located at the bottom of the clutch coupler 20; a rotating driving means 4 located at the bottom of the decelerator; a washing shaft 5 in which a pulsator is coupled to the top end; and a dewatering shaft 6 in which the washing shaft 5 is rotatably coupled inside and a washing tub is coupled to the top end thereof.
    Type: Application
    Filed: July 11, 2017
    Publication date: November 26, 2020
    Applicant: NEW MOTECH CO., LTD.
    Inventors: Jeong Cheol JANG, Seong Jung JU, Wang Gyu JEONG, Beom Seok LEE
  • Patent number: 10821553
    Abstract: A method of cutting a polarizing plate by using a laser, and a polarizing plate cut using the same. A beam shape of the laser is configured to have an elliptical shape and a major axis of the elliptical shape parallel to a cutting direction to provide excellent cross-sectional quality and improved productivity.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: November 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Eung Jin Jang, Sukjae Lee, Kyoung Sik Kim
  • Patent number: 10825519
    Abstract: An electronic device includes a semiconductor memory. The semiconductor memory includes a word line, a bit line, and a memory cell coupled to and disposed between the word line and the bit line, the memory cell including a variable resistance layer that remains in an amorphous state regardless of a value of data stored in the memory cell. In a reset operation, the memory cell is programmed to a high-resistance amorphous state by applying, to the memory cell, a sub-threshold voltage that is greater than 0.7 time of a threshold voltage of the memory cell and is smaller than 0.95 time of the threshold voltage.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: November 3, 2020
    Assignee: SK hynix Inc.
    Inventors: Sang Hyun Ban, Beom Seok Lee, Woo Tae Lee, Tae Hoon Kim, Hwan Jun Zang, Hye Jung Choi
  • Patent number: 10814658
    Abstract: Disclosed is a system and method for marking at a partial area of an optical film material. The system for marking at an optical film includes a feed roll configured to feed an optical film material in a first direction, a marking unit configured to mark a nulling mark or material information in a marking area of the optical film material fed in the first direction, other than a valid area which is attached to a display panel, a light source unit having a light source member configured to supply a marking laser light to the marking unit, and a receiving roll configured to collect the optical film material.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Beom-Seok Lee, Kyu-Sung Hwang, Eung-Jin Jang, Hang-Suk Choi