Patents by Inventor Hyeon-seung Lee

Hyeon-seung 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: 10856442
    Abstract: An outdoor unit of an air conditioner having an improved structure to efficiently cool a heating unit of electronic parts therein, a cooling unit applied to the outdoor unit, and a method for manufacturing the cooling unit are provided. The outdoor unit of an air conditioner includes a case, a compressor for compressing a refrigerant, a condenser for condensing a refrigerant discharged from the compressor, electronic parts arranged in the case; and a cooling unit arranged to cool the electronic parts, wherein the cooling unit comprises a heat radiation member arranged to receive and cool down heat produced from the electronic parts, and to come into contact with at least a part of a cooling pipe in which the refrigerant flows, and a plurality of heat transfer fins formed at least some part of the heat radiation member.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Ho Choi, Wang Byung Chae, Tae Woo Kang, Kyo Seung Kim, Hyeon U Park, Ji-Ho Baek, Sung Hee Lee, Youn Sang Jang, Tae Sung Choi, Seung Ho Hong
  • Publication number: 20200343450
    Abstract: Provided is an organic light-emitting diode comprising: a positive electrode; a negative electrode provided to face the positive electrode; a light-emitting layer provided between the positive electrode and the negative electrode; a hole adjusting layer having one or more layers provided between the positive electrode and the light-emitting layer, in which one or more layers of the hole adjusting layers includes at least one compound of Formulae 1 or Formula 2, and the light-emitting layer includes a compound of Formula 3: wherein: G1 to G4 are each independently a substituted or unsubstituted alkyl or aryl group; L1 to L7 are each independently a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; at least one of X1 to X3 is N, and any remaining is each CR8; and Ar1 to Ar6 are each independently a substituted or unsubstituted aryl or heteroaryl group, or Ar2 and Ar3 together form a substituted or unsubstituted hetero ring.
    Type: Application
    Filed: January 11, 2019
    Publication date: October 29, 2020
    Inventors: Jae Seung HA, Yeon Hwan KIM, Min Woo LEE, Hyeon Jin MUN
  • Publication number: 20200343404
    Abstract: An embodiment includes a method of texturing a semiconductor substrate, a semiconductor substrate manufactured using the method, and a solar cell including the semiconductor substrate, the method including: forming metal nanoparticles on a semiconductor substrate, primarily etching the semiconductor substrate, removing the metal nanoparticles, and secondarily etching the primarily etched semiconductor substrate to form nanostructures.
    Type: Application
    Filed: November 1, 2017
    Publication date: October 29, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Doh Kwon LEE, In Ho Kim, Won Mok Kim, Jong Keuk Park, Taek Sung Lee, Doo Seok Jeong, Hyeon Seung Lee, Jeung Hyun Jeong
  • Publication number: 20200288042
    Abstract: Provided is an image forming apparatus to control capturing of an execution screen displayed. A memory stores at least one application. A user interface device displays an execution screen of an application, to which a user is logged in with an identification (ID) of the user, and receives an input of capturing the execution screen. A processor determines an authority of the ID of the user to capture the execution screen by comparing a security level of the execution screen set based on the data displayed on the execution screen and a security level of the user set with respect to the ID of the user. The processor, in response to the input, controls the capturing of the execution screen, based on the determined authority of the ID of the first user.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 10, 2020
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Hyeon Seung LEE, Hee Jung KIM, Kee Chang LEE, Mok Hwa LIM
  • Publication number: 20200194673
    Abstract: Provided is an amine based compound of Chemical Formula 1: and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.
    Type: Application
    Filed: November 15, 2018
    Publication date: June 18, 2020
    Inventors: Jae Seung HA, Sung Jae LEE, Hyeon Jin MUN
  • Publication number: 20200106017
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device using the same.
    Type: Application
    Filed: September 14, 2018
    Publication date: April 2, 2020
    Inventors: Jae Seung HA, Sung Jae LEE, Hyeon Jin MUN
  • Patent number: 8284412
    Abstract: An image forming apparatus to selectively perform an auto color registration operation, the apparatus including: a printing unit, which forms single-color images, based on printing data, and transfers the images to a printing medium to form a printed image; and a controller which prevents the printing unit from performing the auto color registration operation on the printing data, if the printing data relates a monochromatic printing mode.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: October 9, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hyeon-seung Lee
  • Publication number: 20080137117
    Abstract: An image forming apparatus to selectively perform an auto color registration operation, the apparatus including: a printing unit, which forms single-color images, based on printing data, and transfers the images to a printing medium to form a printed image; and a controller which prevents the printing unit from performing the auto color registration operation on the printing data, if the printing data relates a monochromatic printing mode.
    Type: Application
    Filed: December 10, 2007
    Publication date: June 12, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: HYEON-SEUNG LEE