Patents by Inventor Seung Chun

Seung Chun 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: 20190157568
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 29, 2019
    Publication date: May 23, 2019
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Patent number: 10211406
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 14, 2018
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Publication number: 20190006590
    Abstract: The present disclosure provides an organic light emitting device having improved driving voltage, efficiency and life time.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 3, 2019
    Inventors: Tae Yoon PARK, Sang Young JEON, Min Seung CHUN, Seong Mi CHO, Dong Hoon LEE
  • Patent number: 10006421
    Abstract: A fuel filter for a diesel engine may include an upper cover forming inflow and outflow passages of diesel fuel, a housing integrally mounted in a vehicle body, coupled to the upper cover and housing a filter assembly, and a body penetrating a central portion of the filter assembly, disposed between the upper cover and the filter assembly and integrally forming the upper cover, a heater assembly, and a moisture sensor, in which the heater assembly may be configured to selectively operate according to a detection signal of a fuel temperature sensor that is provided in the engine body.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: June 26, 2018
    Assignees: Hyundai Motor Company, Mann+Hummel GmbH
    Inventors: Chang Ho Ham, Dong Myoung Ryoo, Jae Hyub Hyun, Seung Chun Choi, Han Poong Lee
  • Publication number: 20180159047
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 14, 2018
    Publication date: June 7, 2018
    Inventors: Seok-Hwan Hwang, Young-Kook KIM, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 9917258
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Publication number: 20170005273
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 5, 2017
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 9478754
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 9349964
    Abstract: The present invention relates to a heat emitting body comprising a transparent board, a bus bar, a power supply connected to the bus bar, a heat emitting pattern line provided on the transparent board and electrically connected to the bus bar, and a non-heat emitting pattern line provided on the transparent board and not electrically connected to the bus bar, and a method for manufacturing the same.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: May 24, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Min-Seung Chun, Sung-Kil Hong, Yun-Hwan Kim, Tae-Yoon Park
  • Publication number: 20160138538
    Abstract: A fuel filter for a diesel engine may include an upper cover forming inflow and outflow passages of diesel fuel, a housing integrally mounted in a vehicle body, coupled to the upper cover and housing a filter assembly, and a body penetrating a central portion of the filter assembly, disposed between the upper cover and the filter assembly and integrally forming the upper cover, a heater assembly, and a moisture sensor, in which the heater assembly may be configured to selectively operate according to a detection signal of a fuel temperature sensor that is provided in the engine body.
    Type: Application
    Filed: August 28, 2015
    Publication date: May 19, 2016
    Applicants: Hyundai Motor Company, Mann Hummel Korea Co., Ltd.
    Inventors: Chang Ho Ham, Dong Myoung RYOO, Jae Hyub HYUN, Seung Chun CHOI, Han Poong LEE
  • Patent number: 9196857
    Abstract: Provided are an organic light emitting diode and a method of manufacturing the same. The organic light emitting diode adjusts an optical resonance thickness and prevents spectrum distortions without use of an auxiliary layer. The organic light emitting diode includes a first electrode that is optically reflective; a second electrode that is optically transmissible and faces the first electrode; an organic emission layer interposed between the first electrode and the second electrode, the organic emission layer including: a first emission layer including a mixed layer that contains a host material and a dopant material, and a second emission layer comprising only the host material; and a carrier injection transport layer interposed between the organic emission layer and the first electrode or between the organic emission layer and the second electrode.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Seung Chun, Mi-Kyung Kim, Dong-Heon Kim, Jung-Ha Son, Jae-Hyun Kwak, Kyung-Hoon Choi, Mie-Hwa Park, Young-Ho Park, Young-Suck Choi, Tae-Shick Kim, Choon-Woo Im, Kwan-Hee Lee
  • Patent number: 9150783
    Abstract: Organic light emitting diodes (OLEds) are provided. In one embodiment, an OLED includes a first electrode, a second electrode and an organic layer positioned between the first and second electrodes. The organic layer comprises an organic metal complex represented by the formula [M(L)2]a, in which L is an anionic ligand, M is a metal that can be five-coordinated or six-coordinated with L, and a is an integer ranging from 2 to 4.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: October 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Hoon Choi, Kwan-Hee Lee, Min-Seung Chun, Choon-Woo Lim
  • Publication number: 20150221872
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 28, 2015
    Publication date: August 6, 2015
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Publication number: 20150128070
    Abstract: The present invention relates to an additional service executing apparatus included in a user terminal to provide an additional service, and to a method for providing an additional service using the apparatus. Provided is an additional service executing apparatus having a display unit, included in a user terminal to provide an additional service, the apparatus comprising: an additional service menu interface providing unit which is driven by a signal generated upon the detection of a preset event, and which outputs an additional service menu interface corresponding to the detected event on the display unit; and an additional service execution unit for providing an additional service by performing an operation corresponding to the additional service menu selected through the additional service menu interface by a user. Also provided is a method for providing an additional service using the apparatus.
    Type: Application
    Filed: April 24, 2013
    Publication date: May 7, 2015
    Inventors: Gil-soo Lee, Do-yeon Choi, Seung-chun Hong
  • Patent number: 8999524
    Abstract: An organic light-emitting device includes a first electrode, a mixed organic layer, an emission layer, an electron transport layer, and a second electrode. The mixed organic layer contains a fluorene derivative and a pyrazine derivative, and the electron transport layer contains a lithium quinolate and a pyridine derivative.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Heon Kim, Tae-Shick Kim, Kwan-Hee Lee, Min-Seung Chun, Jung-Ha Son, Jae-Hyun Kwak, Mi-Kyung Kim, Choon-Woo Lim
  • Patent number: 8974922
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 8911881
    Abstract: An organic light-emitting device is provided. The organic light-emitting device comprises a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode. The device further comprises of a phosphorescent dopant and a phosphorescent host that includes at least two hole transport materials. The mixed phosphorescent host materials increase energy transfer efficiency, thereby improving the efficiency and lifespan of the resulting organic light-emitting device.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: December 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Yeob Lee, Min-Seung Chun, Yong-Joong Choi
  • Patent number: 8835019
    Abstract: Organic light emitting devices including an electron transport-emission layer, and methods of preparing the same are included. The electron transport-emission layer may be an electron transport-red emission layer, an electron transport-green emission layer or an electron transport-blue emission layer. The methods produce high yields of the organic light emitting devices and are less expensive than conventional methods.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Hoon Choi, Kwan-Hee Lee, Min-Seung Chun, Choon-Woo Lim
  • Publication number: 20140151668
    Abstract: Provided are an organic light emitting diode and a method of manufacturing the same. The organic light emitting diode adjusts an optical resonance thickness and prevents spectrum distortions without use of an auxiliary layer. The organic light emitting diode includes a first electrode that is optically reflective; a second electrode that is optically transmissible and faces the first electrode; an organic emission layer interposed between the first electrode and the second electrode, the organic emission layer including: a first emission layer including a mixed layer that contains a host material and a dopant material, and a second emission layer comprising only the host material; and a carrier injection transport layer interposed between the organic emission layer and the first electrode or between the organic emission layer and the second electrode.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Min-Seung Chun, Mi-Kyung Kim, Dong-Heon Kim, Jung-Ha Son, Jae-Hyun Kwak, Kyung-Hoon Choi, Mie-Hwa Park, Young-Ho Park, Young-Suck Choi, Tae-Shick Kim, Choon-Woo Im, Kwan-Hee Lee
  • Patent number: 8691339
    Abstract: A method of forming a film on a substrate includes depositing first and second evaporating source materials respective from first and second evaporating sources onto the substrate while moving the evaporating sources together with respect to the substrate, the first and second evaporating source materials being different from each other and positioned to provide a non-overlapping deposition region of the first evaporating source material, an overlapping deposition region of the first and second evaporating source materials and a non-overlapping deposition region of the second source material such that when the evaporating sources are moved, a film is formed to include a first layer that is a deposition of only the first evaporating source material, a second layer that is a deposition of a mixture of the first evaporating source material and the second evaporating source material and a third layer that is a deposition of only the second source material.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: April 8, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hwan Yoon, Kwan-Hee Lee, Jae-Hyun Kwak, Dong-Hun Kim, Min-Seung Chun, Jung-Ha Son