Patents by Inventor Kwang-Yeon Lee

Kwang-Yeon 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: 20240092141
    Abstract: An air conditioning device for a vehicle includes: a housing having an inside divided into an inflow space, a heat exchange space, and an outflow space, which are straightly arranged, and having a plurality of discharge ports, which communicates with an interior, at the inflow space; a blowing unit disposed at the inflow space of the housing and configured to blow air; a heat exchange unit disposed at the heat exchange space of the housing and configured to adjust a temperature of conditioned air by exchanging heat with air; and an opening-closing door disposed at the outflow space of the housing and configured to open and close the plurality of discharge ports such that conditioned air at an adjusted temperature selectively flows to the plurality of discharge ports. The air conditioning device adjusts the temperature of conditioned air for respective modes and reduces a flow resistance of air.
    Type: Application
    Filed: March 8, 2023
    Publication date: March 21, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DOOWON CLIMATE CONTROL CO., LTD.
    Inventors: Kwang Ok Han, Young Tae Song, Yong Chul Kim, Gee Young Shin, Su Yeon Kang, Jae Sik Choi, Dae Hee Lee, Byeong Moo Jang, Ung Hwi Kim, Jae Won Cha, Won Jun Joung, Byung Guk An
  • Publication number: 20240074736
    Abstract: An ultrasonic image providing method of the present disclosure includes: receiving ultrasonic images; measuring a plurality of similarities for a plurality of measurement items for at least one of the ultrasonic images; comparing the plurality of similarities with corresponding default thresholds, respectively; when none of the plurality of similarities is greater than the corresponding default threshold, selecting a measurement item maintaining the greatest similarity among the plurality of similarities for a reference time; and providing an ultrasonic image for the selected measurement item as an ultrasonic image.
    Type: Application
    Filed: August 19, 2021
    Publication date: March 7, 2024
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Ja Young Kwon, Ye Jin Park, Jin Yong Lee, Sung Wook Park, Jin Ki Park, Dong Eun Lee, Ji Hun Lee, Kwang Yeon Choi
  • Patent number: 10720596
    Abstract: The organic light emitting display panel includes a first electrode formed on a substrate, an organic light emitting layer formed on the first electrode, a second electrode formed on the organic light emitting layer, a front sealing layer formed on the second electrode, wherein the front sealing layer is formed by alternately laminating an inorganic barrier layer and an organic barrier layer at least once, and at least one capping layer formed between the lowest layer closest to the second electrode among a plurality of thin films of the front sealing layer and the second electrode and having a higher index of refraction than an index of refraction of the lowest layer.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: July 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Dock Cho, Kwang-Yeon Lee, Heui-Dong Lee, Eun-Jung Park, Hong-Je Yun, Sang-Kyoung Moon
  • Patent number: 10217969
    Abstract: Disclosed are an organic light emitting diode display device and a method for fabricating the same. The OLED display device includes first and second electrodes formed on a substrate, a red light-emitting layer, a green light-emitting layer and a blue light-emitting layer formed between the first and second electrodes, a hole transport layer formed between each of the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer, and the first electrode, an electron transport layer formed between each of the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer, and the second electrode, and a conducting polymer formed between the substrate and the first electrode, the conducting polymer having different thicknesses in regions respectively corresponding to the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: February 26, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heui-Dong Lee, Kwang-Yeon Lee, Sang-Dae Kim, Dae-Gwon Song
  • Patent number: 9640774
    Abstract: A light emitting device is discussed, and includes a first electrode; a hole transporting layer (HTL) on the first electrode; an organic light-emission layer (EML) having a red emission layer (EML) formed in a red sub pixel area Rp, a green emission layer formed in a green sub pixel area Gp, and a blue emission layer formed in a blue sub pixel area Bp; an electron transporting layer (ETL) on the red, green and blue emission layers; and a second electrode on the electron transporting layer, wherein the green emission layer includes a phosphor host material, a second phosphor host material, and a dopant material.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: May 2, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heui Dong Lee, Kwang Yeon Lee
  • Publication number: 20160056401
    Abstract: A light emitting device is discussed, and includes a first electrode; a hole transporting layer (HTL) on the first electrode; an organic light-emission layer (EML) having a red emission layer (EML) formed in a red sub pixel area Rp, a green emission layer formed in a green sub pixel area Gp, and a blue emission layer formed in a blue sub pixel area Bp; an electron transporting layer (ETL) on the red, green and blue emission layers; and a second electrode on the electron transporting layer, wherein the green emission layer includes a phosphor host material, a second phosphor host material, and a dopant material.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 25, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Heui Dong LEE, Kwang Yeon LEE
  • Patent number: 8944874
    Abstract: An organic light emitting display device (OLED) includes a transparent substrate a first electrode formed on the transparent substrate a partition wall including first and second tapered structures having different tapers and formed on the first electrode, and an organic light emitting layer stacked on both sides of the first electrode below a level of the partition wall and a second electrode. The OLED device is manufactured by, for example, forming a first electrode on a transparent substrate, forming a partition wall having first and second tapered structures on the first electrode, and forming an organic light emitting layer and a second electrode, sequentially, on both sides of the first electrode below a level of the partition wall.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: February 3, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Il-Su Oh, Jong-Sung Kim, Hong-Woo Yu, Kwang-Yeon Lee
  • Publication number: 20140167013
    Abstract: Disclosed are an organic light emitting diode display device and a method for fabricating the same. The OLED display device includes first and second electrodes formed on a substrate, a red light-emitting layer, a green light-emitting layer and a blue light-emitting layer formed between the first and second electrodes, a hole transport layer formed between each of the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer, and the first electrode, an electron transport layer formed between each of the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer, and the second electrode, and a conducting polymer formed between the substrate and the first electrode, the conducting polymer having different thicknesses in regions respectively corresponding to the red light-emitting layer, the green light-emitting layer and the blue light-emitting layer.
    Type: Application
    Filed: December 13, 2013
    Publication date: June 19, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Heui-Dong LEE, Kwang-Yeon LEE, Sang-Dae KIM, Dae-Gwon SONG
  • Publication number: 20140154829
    Abstract: An organic light emitting display device (OLED) includes a transparent substrate a first electrode formed on the transparent substrate a partition wall including first and second tapered structures having different tapers and formed on the first electrode, and an organic light emitting layer stacked on both sides of the first electrode below a level of the partition wall and a second electrode. The OLED device is manufactured by, for example, forming a first electrode on a transparent substrate, forming a partition wall having first and second tapered structures on the first electrode, and forming an organic light emitting layer and a second electrode, sequentially, on both sides of the first electrode below a level of the partition wall.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Il-Su OH, Jong-Sung KIM, Hong-Woo YU, Kwang-Yeon LEE
  • Patent number: 8686629
    Abstract: An organic light emitting display device (OLED) includes a transparent substrate a first electrode formed on the transparent substrate a partition wall including first and second tapered structures having different tapers and formed on the first electrode, and an organic light emitting layer stacked on both sides of the first electrode below a level of the partition wall and a second electrode. The OLED device is manufactured by, for example, forming a first electrode on a transparent substrate, forming a partition wall having first and second tapered structures on the first electrode, and forming an organic light emitting layer and a second electrode, sequentially, on both sides of the first electrode below a level of the partition wall.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: April 1, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Il-Su Oh, Jong-Sung Kim, Hong-Woo Yu, Kwang-Yeon Lee
  • Publication number: 20140070187
    Abstract: The organic light emitting display panel includes a first electrode formed on a substrate, an organic light emitting layer formed on the first electrode, a second electrode formed on the organic light emitting layer, a front sealing layer formed on the second electrode, wherein the front sealing layer is formed by alternately laminating an inorganic barrier layer and an organic barrier layer at least once, and at least one capping layer formed between the lowest layer closest to the second electrode among a plurality of thin films of the front sealing layer and the second electrode and having a higher index of refraction than an index of refraction of the lowest layer.
    Type: Application
    Filed: July 9, 2013
    Publication date: March 13, 2014
    Inventors: Young-Dock CHO, Kwang-Yeon LEE, Heui-Dong LEE, Eun-Jung PARK, Hong-Je YUN, Sang-Kyoung MOON
  • Patent number: 8062914
    Abstract: Provided is a flat panel display device and a method for fabricating the same. The flat panel display device comprises a first substrate, a light emitting unit, a second substrate, and insulating films. The light emitting unit comprises thin film transistors positioned on the first substrate, a first electrode electrically connecting with the thin film transistors, a second electrode facing the first electrode, and an emission layer or a liquid crystal layer interposed between the first and second electrodes. The second substrate is sealed with the first substrate by an ultraviolet curing sealant, and has a greater thermal expansion coefficient than the first substrate. The insulating films are positioned on one or more surfaces of the first and/or second substrates.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: November 22, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yong Park, Kwang Yeon Lee, Seung Kyu Lee
  • Patent number: 8025544
    Abstract: A dual panel-type organic electroluminescent display device includes a first substrate on which gate and data lines cross each other to define sub-pixels. Array elements are disposed at the sub-pixels on the first substrate. A first electrode is disposed on substantially the entire surface of a second substrate opposing the first substrate. An insulating pattern is disposed on the first electrode, an organic electroluminescent layer is disposed on the first electrode, and a second electrode is disposed on the organic electroluminescent layer at each sub-pixel. A connection pattern connects the array element and the second electrode at each sub-pixel. The connection pattern contacts the second electrode under the insulating pattern.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: September 27, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Choong-Keun Yoo, Kwang-Yeon Lee
  • Publication number: 20110033327
    Abstract: The present invention relates to a scroll compressor, including: a hermetic container, refrigerant flowing in and out of which; a driving unit installed in the hermetic container to rotate a rotation axis; an orbiting scroll fixed to the rotation axis and rotated with the rotation axis; and a fixed scroll fixed to the hermetic container, engaged with the orbiting scroll to define a compression chamber, and compressing refrigerant by an interaction with the orbiting scroll, a discharge direction of a discharge space-side discharge hole heading from the compression chamber to the discharge space not corresponding to a discharge direction of a compression chamber-side discharge hole. The scroll compressor reduces pulsation noise of refrigerant to improve noise performance.
    Type: Application
    Filed: March 17, 2009
    Publication date: February 10, 2011
    Inventors: Jeonghun Kim, Suchul Kim, Ki-won Park, Kwang-Yeon Lee
  • Publication number: 20100136723
    Abstract: A dual panel-type organic electroluminescent display device includes a first substrate on which gate and data lines cross each other to define sub-pixels. Array elements are disposed at the sub-pixels on the first substrate. A first electrode is disposed on substantially the entire surface of a second substrate opposing the first substrate. An insulating pattern is disposed on the first electrode, an organic electroluminescent layer is disposed on the first electrode, and a second electrode is disposed on the organic electroluminescent layer at each sub-pixel. A connection pattern connects the array element and the second electrode at each sub-pixel. The connection pattern contacts the second electrode under the insulating pattern.
    Type: Application
    Filed: February 5, 2010
    Publication date: June 3, 2010
    Applicant: LG Display Co., Ltd.
    Inventors: Choong-Keun Yoo, Kwang-Yeon Lee
  • Patent number: 7683538
    Abstract: A dual panel-type organic electroluminescent display device includes a first substrate on which gate and data lines cross each other to define sub-pixels. Array elements are disposed at the sub-pixels on the first substrate. A first electrode is disposed on substantially the entire surface of a second substrate opposing the first substrate. An insulating pattern is disposed on the first electrode, an organic electroluminescent layer is disposed on the first electrode, and a second electrode is disposed on the organic electroluminescent layer at each sub-pixel. A connection pattern connects the array element and the second electrode at each sub-pixel. The connection pattern contacts the second electrode under the insulating pattern.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: March 23, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Choong-Keun Yoo, Kwang-Yeon Lee
  • Publication number: 20100047938
    Abstract: Provided is a flat panel display device and a method for fabricating the same. The flat panel display device comprises a first substrate, a light emitting unit, a second substrate, and insulating films. The light emitting unit comprises thin film transistors positioned on the first substrate, a first electrode electrically connecting with the thin film transistors, a second electrode facing the first electrode, and an emission layer or a liquid crystal layer interposed between the first and second electrodes. The second substrate is sealed with the first substrate by an ultraviolet curing sealant, and has a greater thermal expansion coefficient than the first substrate. The insulating films are positioned on one or more surfaces of the first and/or second substrates.
    Type: Application
    Filed: November 5, 2009
    Publication date: February 25, 2010
    Applicant: LG Display Co., Ltd.
    Inventors: Jae Yong Park, Kwang Yeon Lee, Seung Kyu Lee
  • Patent number: 7638803
    Abstract: Provided is a flat panel display device and a method for fabricating the same. The flat panel display device comprises a first substrate, a light emitting unit, a second substrate, and insulating films. The light emitting unit comprises thin film transistors positioned on the first substrate, a first electrode electrically connecting with the thin film transistors, a second electrode facing the first electrode, and an emission layer or a liquid crystal layer interposed between the first and second electrodes. The second substrate is sealed with the first substrate by an ultraviolet curing sealant, and has a greater thermal expansion coefficient than the first substrate. The insulating films are positioned on one or more surfaces of the first and/or second substrates.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: December 29, 2009
    Assignee: LG. Display Co., Ltd.
    Inventors: Jae Yong Park, Kwang Yeon Lee, Seung Kyu Lee
  • Publication number: 20090146554
    Abstract: An organic light emitting diode has improved light emitting efficiency and life span. The organic light emitting diode includes an electron transfer layer formed by mixing Liq and organic substance of predetermined chemical formula at a predetermined ratio. In accordance therewith, a driving voltage of the organic light emitting diode is lowered. As a result, the light emitting efficiency and the life span of the organic light emitting diode can be improved.
    Type: Application
    Filed: November 12, 2008
    Publication date: June 11, 2009
    Inventors: Kwang Yeon Lee, Sung Hoon Choi, Hee Seok Yang, Kyu Il Han
  • Patent number: 7494396
    Abstract: A method of fabricating an electrode for an organic electroluminescent device includes forming a transparent conductive layer on a substrate, doping the transparent conductive layer with impurities, and annealing the doped transparent conductive layer.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: February 24, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Nack-Bong Choi, Kwang-Yeon Lee