Patents by Inventor Kwang Yang

Kwang Yang 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: 20240147845
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Application
    Filed: December 6, 2023
    Publication date: May 2, 2024
    Inventors: Kyoung-Jin PARK, Tae-Jin LEE, Jae-Hoon SHIM, Yoo Jin DOH, Hee-Choon AHN, Young-Kwang KIM, Doo-Hyeon MOON, Jeong-Eun YANG, Su-Hyun LEE, Chi-Sik KIM, Ji-Song JUN
  • Patent number: 11951048
    Abstract: The present disclosure relates to an operating table, the operating table comprising a table top, a table top support and a column with a column head, wherein the sealing device is bellows assembled below the column head, or an adhesive in a hole and/or window on the holder of the cable, or a sealing gasket between the receiver and the column head, or a shield sealingly attached to the column head below the gear. The present disclosure further relates to control equipment, a lifting device, an intelligent charger, a column guide system for an operating table, as well as an operating table including the same.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 9, 2024
    Assignee: TRUMPF MEDIZIN SYSTEME GMBH + CO. KG
    Inventors: Kwang-un Clarence King, Qiang Hao, Hao Shi, Jian Wang, Debao Ma, Wei Ma, Jipeng Wang, Jian Yang, Boon Khai Ang, Min Htun Aye, Arnd Kuchenbecker, Falk Georgi
  • Patent number: 11940725
    Abstract: A blankmask for EUV lithography includes a substrate, a reflective layer, a capping layer, and a phase shift layer. The phase shift layer is made of a material containing ruthenium (Ru) and chromium (Cr), and a total content of ruthenium (Ru) and chromium (Cr) is 50 to 100 at %. The phase shift layer may further contain boron (B) or nitrogen (N). The phase shift layer of the present invention has a high relative reflectance (relative reflectance with respect to a reflectance of the reflective layer under the phase shift layer) with respect to a tantalum (Ta)-based phase shift layer and has a phase shift amount of 170 to 230°. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: S&S Tech Co., Ltd.
    Inventors: Cheol Shin, Yong-Dae Kim, Jong-Hwa Lee, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11932549
    Abstract: It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 19, 2024
    Assignees: POSCO CO., LTD, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Juyoung Kim, Ki Young Kim, Woonkyoung Park, Jung Kwan Park, Woo Chul Jung, Kwang Seok Park, Hyun Woo Lee, Sang Won Kim, Heok Yang, Seung Taek Kuk
  • Patent number: 11927880
    Abstract: A blankmask for extreme ultraviolet lithography includes a substrate, a reflective layer formed on the substrate, and a phase shift layer formed on the reflective layer. The phase shift layer contains niobium (Nb), and is made of a material containing one of tantalum (Ta), chromium (Cr), and ruthenium (Ru). A phase shift layer containing Nb and Ta has a relative reflectance of 5 to 20%, a phase shift layer containing Nb and Cr has a relative reflectance of 9 to 15%, and a phase shift layer containing Nb and Ru has a relative reflectance of 20% or more. The phase shift layer has a phase shift amount of 170 to 230°, and has a surface roughness of 0.5 nmRMS or less. It is possible to obtain excellent resolution when finally manufacturing a pattern of 7 nm or less by using a photomask manufactured using such a blankmask.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 12, 2024
    Assignee: S&S TECH Co., Ltd.
    Inventors: Yong-Dae Kim, Chul-Kyu Yang, Min-Kwang Park, Mi-Kyung Woo
  • Patent number: 11917907
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
  • Publication number: 20230077658
    Abstract: A dewatering machine includes a screen, a screw and at least one moisture content control wing. The screen has a hollow inside, has an inlet portion through which livestock manure is inputted at a first side and an outlet portion through which dehydrated livestock manure is outputted at a second side, and has a plurality of moisture exhaust holes penetrating from an inside of the screen to an outside of the screen. The screw includes a rotation axis and a main wing formed into a spiral shape along a longitudinal direction of the rotation axis. At least one moisture content control wing is disposed between the main wings adjacent to the outlet portion, and is formed into a spiral shape along the longitudinal direction of the rotation axis.
    Type: Application
    Filed: June 24, 2021
    Publication date: March 16, 2023
    Applicant: Korea Institute of Machinery & Materials
    Inventors: Gi Chun LEE, Tae Yeon NAM, Yong-Bum LEE, Jong-Won PARK, Dong Cheon BAEK, Hak Yong EOM, Jong Sik CHOI, Kye Suk LEE, Chung Kwang YANG
  • Patent number: 10622228
    Abstract: Disclosed are a substrate supporting unit, a substrate processing apparatus, and a method of manufacturing the substrate supporting unit. The substrate supporting unit includes a susceptor provided with heaters to heat a substrate placed on the susceptor, and including a first temperature region and a second temperature region having a higher temperature than that of the first temperature region; and a heat dissipating member including a contact surface being in thermal contact with the second temperature region. The heat dissipating member further includes an opening corresponding to the first temperature region. The heat dissipating member formed in a ring shape, in which the opening is surrounded with the contact surface, and the contact surface of the heat dissipating member makes thermal contact with the lower surface of the susceptor.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 14, 2020
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Dong-Keun Lee, Kyung-Jin Chu, Sung-Tae Je, Il-Kwang Yang
  • Patent number: 10593545
    Abstract: A substrate processing method in which processes with respect to substrates are performed comprises: stacking the substrates on a substrate holder disposed in a staking space formed within a lower chamber through a passage formed in a side of the lower chamber, exhausting the stacking space through an auxiliary exhaust port connected to the stacking space, moving the substrate holder into an external reaction tube closing an opened upper side of the lower chamber to provide a process space in which the processes are performed, and supplying a reaction gas into the process space using a supply nozzle connected to the process space and exhausting the process space using an exhaust nozzle connected to the process space and an exhaust port connected to the exhaust nozzle.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: March 17, 2020
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Il-Kwang Yang, Sung-Tae Je, Byoung-Gyu Song, Yong-Ki Kim, Kyong-Hun Kim, Yang-Sik Shin
  • Patent number: 10326961
    Abstract: An electronic device includes a projector, an operating method of an electronic device including a projector, and a non-transitory computer-readable recording medium having recorded thereon instructions for performing the operating method. The electronic device includes a communicator configured to exchange data with an external device, a projector configured to project light; a sensor configured to measure a degree of proximity between the electronic device and an installation surface on which the electronic device is to be installed, and a controller configured to control the communicator and/or the projector based on the degree of proximity measured by the sensor.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hyung Kim, Hee-kyung Kim, Jung-chul Park, Se-jun Song, Sung-kwang Yang, Yoon-gi Lee
  • Patent number: 10250857
    Abstract: An electronic device including an optical module, a method of operating the electronic device including the optical module, and a non-transitory computer-readable recording medium having recorded thereon a program for performing the method. The electronic device includes an optical module configured to project content on a projection surface and a processor configured to determine whether the electronic device is positioned within a predetermined range of a projection surface and control the optical module to project the content onto the projection surface based on the determination.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: April 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyung Kim, Myung-su Kang, Ji-hyun Kim, Hyo-jung Kim, Hee-Kyung Kim, Bo-ram Namgoong, Jung-chul Park, Se-jun Song, Sung-kwang Yang, Yoon-gi Lee
  • Patent number: 10228547
    Abstract: A projection lens system which is arranged between an object side at which a micro-display panel is located and an image side at which a screen is located, and includes an aperture stop; a front lens group arranged at an object-side of the aperture stop and having a positive refractive power; a rear lens group arranged at an image-side of the aperture stop, the rear lens group including a first aspherical lens at a position closest to the image side and a second aspherical lens adjacent to an object-side surface of the first aspherical lens; and an aspherical mirror having a negative refractive power and reflecting light coming from the rear lens group toward the image side.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyung Kim, Hee-kyung Kim, Jung-chul Park, Se-jun Song, Sung-kwang Yang, Yoon-gi Lee
  • Patent number: 10192760
    Abstract: A substrate supporting unit, a substrate processing apparatus, and a method of manufacturing the substrate supporting unit are provided. The substrate supporting unit includes a susceptor provided with heaters to heat a substrate placed on the susceptor, and including a first temperature region and a second temperature region having a higher temperature than that of the first temperature region; a heat dissipating member including a contact surface being in thermal contact with the second temperature region; and a reflecting member disposed approximately in parallel with one surface of the susceptor to reflect heat emitted from the susceptor toward the susceptor.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: January 29, 2019
    Assignee: Eugene Technology Co., Ltd.
    Inventors: Dong-Keun Lee, Kyung-Jin Chu, Sung-Tae Je, Il-Kwang Yang
  • Patent number: 9953850
    Abstract: Provided is a substrate processing apparatus.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: April 24, 2018
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Il-Kwang Yang, Sung-Tae Je, Byoung-Gyu Song, Yong-Ki Kim, Kyong-Hun Kim, Yang-Sik Shin
  • Patent number: 9875895
    Abstract: Provided is a substrate processing apparatus.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: January 23, 2018
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Il-Kwang Yang, Sung-Tae Je, Byoung-Gyu Song, Yong-Ki Kim, Kyong-Hun Kim, Yang-Sik Shin
  • Patent number: 9869019
    Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus in which a process with respect to substrates is performed includes a lower chamber having an opened upper portion, the lower chamber having a passage, through which the substrates are accessible, in a side thereof, an external reaction tube closing the opened upper portion of the lower chamber to provide a process space in which the process is performed, a substrate holder on which the one or more substrates are vertically stacked, the substrate holder being movable between a stacking position at which the substrates are stacked within the substrate holder and a process position at which the process with respect to the substrates is performed, a gas supply unit supplying a reaction gas into the process space, and a processing unit disposed outside the external reaction tube to activate the reaction gas, thereby performing the process with respect to the substrates.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: January 16, 2018
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Il-Kwang Yang, Byoung-Gyu Song, Yong-Ki Kim, Kyong-Hun Kim, Yang-Sik Shin
  • Patent number: 9758870
    Abstract: A substrate processing apparatus includes a main chamber having a process space in which a process with respect to a substrate is performed, a heater disposed in the process space to heat the substrate placed on an upper portion thereof, and a cooling ring around the heater, the cooling ring having a plurality of cooling gas passages spaced apart at a predetermined distance around the heater to allow a refrigerant supplied from the outside to selectively flow therein.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 12, 2017
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Sung-Tae Je, Il-Kwang Yang, Jae-Ho Lee, Kyong-Hun Kim, Myung-In Kim, Yang-Sik Shin
  • Publication number: 20170148649
    Abstract: A substrate processing method in which processes with respect to substrates are performed comprises: stacking the substrates on a substrate holder disposed in a staking space formed within a lower chamber through a passage formed in a side of the lower chamber, exhausting the stacking space through an auxiliary exhaust port connected to the stacking space, moving the substrate holder into an external reaction tube closing an opened upper side of the lower chamber to provide a process space in which the processes are performed, and supplying a reaction gas into the process space using a supply nozzle connected to the process space and exhausting the process space using an exhaust nozzle connected to the process space and an exhaust port connected to the exhaust nozzle.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 25, 2017
    Applicant: EUGENE TECHNOLOGY CO., LTD.
    Inventors: IL-KWANG YANG, SUNG-TAE JE, BYOUNG-GYU SONG, YONG-KI KIM, KYONG-HUN KIM, YANG-SIK SHIN
  • Patent number: 9644895
    Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus includes a chamber providing an inner space in which a process with respect to a substrate is performed, a heating plate on which the substrate is placed, the heating plate being fixedly disposed within the chamber, a heater spaced from a lower portion of the heating plate to heat the heating plate, and a lift module lifting the heater.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: May 9, 2017
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Il-Kwang Yang, Byoung-Gyu Song, Kyong-Hun Kim, Yong-Ki Kim, Yang-Sik Shin
  • Publication number: 20170110347
    Abstract: Disclosed are a substrate supporting unit, a substrate processing apparatus, and a method of manufacturing the substrate supporting unit. The substrate supporting unit includes a susceptor provided with heaters to heat a substrate placed on the susceptor, and including a first temperature region and a second temperature region having a higher temperature than that of the first temperature region; and a heat dissipating member including a contact surface being in thermal contact with the second temperature region. The heat dissipating member further includes an opening corresponding to the first temperature region. The heat dissipating member formed in a ring shape, in which the opening is surrounded with the contact surface, and the contact surface of the heat dissipating member makes thermal contact with the lower surface of the susceptor.
    Type: Application
    Filed: December 29, 2016
    Publication date: April 20, 2017
    Applicant: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Dong-Keun LEE, Kyung-Jin CHU, Sung-Tae JE, IL-KWANG YANG