Patents by Inventor Yong-Joo Lee

Yong-Joo 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: 20180228021
    Abstract: A power supply device includes a first power module including a first printed circuit board in which a first protrusion part is formed along a first side surface of the first printed circuit board facing a first direction, a second power module including a second printed circuit board in which a first groove is formed along a second side surface of the printed circuit board facing the first side surface of the first printed circuit board in a second direction, and a third power module including a third printed circuit board electrically connecting the first printed circuit board and the second printed circuit board. The first protrusion part is inserted into the first groove to physically connect the first printed circuit board to the second printed circuit board.
    Type: Application
    Filed: January 30, 2018
    Publication date: August 9, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ho KANG, Sung Yong JOO, Yong Joo LEE
  • Patent number: 10008310
    Abstract: A resistor element includes a first terminal and a second terminal disposed on opposite end portions of a base substrate, respectively. A first resistance layer is connected to the first terminal and formed of a thick film resistor, and a second resistance layer is connected to the first resistance layer and the second terminal and is formed of a thin film resistor.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Heung Bok Ryu, Teack Yong Nam, Yong Joo Lee, Sung Gil Gu, Jung Min Nam
  • Publication number: 20180149783
    Abstract: An optical filter includes a polymer film and a near infrared absorbing layer on the polymer film, where the near infrared absorbing layer transmits light in a visible wavelength region and selectively absorbs at least a part of light in a near infrared wavelength region. An average light transmittance of the optical filter in a wavelength region of about 700 nanometers (nm) to about 740 nm is less than about 7%.
    Type: Application
    Filed: May 3, 2017
    Publication date: May 31, 2018
    Inventors: Jong Hoon WON, Yong Joo LEE, Changki KIM, Hyung Jun KIM, Myungsup JUNG
  • Patent number: 9927555
    Abstract: A composition for a polarizing film including a polymer and at least one of dichroic dye, wherein the dichroic dye includes a first dichroic dye represented by Chemical Formula 1 and having a molecular weight of greater than or equal to about 500 Daltons: wherein in Chemical Formula 1, Ar1 to Ar3, R1, R2, n, and m are the same as described in the detailed description.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: March 27, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Ha Na Kim, Deuk Kyu Moon, Yong Joo Lee, Boreum Jeong, Myung Sup Jung
  • Patent number: 9798057
    Abstract: A composition for a polarization film including: a transparent resin having a boiling point of greater than or equal to 130° C.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 24, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Yong Joo Lee, Deuk Kyu Moon, Sang Ho Park, Jae Hong Choi, Beom Seok Kim, Jong Hoon Won, Feifei Fang, Myung Sup Jung
  • Patent number: 9791609
    Abstract: A polarization film, including: a hydrophobic polymer resin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, wherein, in Chemical Formula 1, Ar1 is a substituted or unsubstituted C6 to C15 arylene group, Ar2 is a C6 to C15 arylene group substituted with at least one of a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a halogen atom and a halogen-containing group, Ar3 is a C6 to C15 arylene group substituted with an amide group, R1 is a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C1 to C20 alkoxy group, R2 and R3 are each independently a substituted or unsubstituted C1 to C20 alkyl group, or R2 and R3 are linked to each other to form a ring, and n is 1 or 2.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deuk Kyu Moon, Sang Ho Park, Yong Joo Lee, Jong Hoon Won, Hyeon Ho Choi, Myung Man Kim, Young Hwan Kim, Feifei Fang, Myung Sup Jung
  • Publication number: 20170242296
    Abstract: A color polarizing film including a first layer including a first polymer and a first dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm and a second layer including a second polymer and a second dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the second layer is disposed on the first layer, wherein a polarization axis of the first layer and a polarization axis of a second layer cross each other, and wherein the color polarizing film exhibits a maximum absorption wavelength (?max) in a wavelength range of about 380 nm to about 780 nm.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 24, 2017
    Inventors: Deuk Kyu MOON, Yong Joo LEE, Yoon-suk KANG, Junghoon LEE, Boreum JEONG, Jonghyun HA, Myungsup JUNG
  • Publication number: 20170242297
    Abstract: A color polarizing film including a polymer and a dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the color polarizing film exhibits a maximum absorption wavelength (?max) in a wavelength range of about 380 nm to about 780 nm is provided.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 24, 2017
    Inventors: Deuk Kyu MOON, Yong Joo LEE, Boreum JEONG, Myungsup JUNG
  • Patent number: 9390657
    Abstract: A display apparatus is provided. The display apparatus includes a display panel configured to display an image, an LED module configured to provide backlight to the display panel, an LED driving unit configured to apply a driving voltage to the LED module using an external power, an exterior unit configured to support the LED driving unit and the LED module and include a ground terminal provided separately from the external power, and an LED driving control unit which causes an operation of the LED driving unit to be stopped based on a current flowing in from the ground terminal.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-sung Kim, Yong-joo Lee, Jeong-il Kang
  • Publication number: 20160187538
    Abstract: A composition for a polarizing film including a polymer and at least one of dichroic dye, wherein the dichroic dye includes a first dichroic dye represented by Chemical Formula 1 and having a molecular weight of greater than or equal to about 500 Daltons: wherein in Chemical Formula 1, Ar1 to Ar3, R1, R2, n, and m are the same as described in the detailed description.
    Type: Application
    Filed: April 8, 2015
    Publication date: June 30, 2016
    Inventors: Ha Na KIM, Deuk Kyu MOON, Yong Joo LEE, Boreum JEONG, Myung Sup JUNG
  • Patent number: 9335442
    Abstract: A polarizing film including a melt-elongated film including a polyolefin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, each group and variable is the same as defined in the detailed description.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 10, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Deuk Kyu Moon, Ha Na Kim, Sang Ho Park, Yong Joo Lee, Jong Hoon Won, Myung Sup Jung
  • Patent number: 9268065
    Abstract: A composition for a polarizing film, including a polyolefin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, groups and variables are the same as defined in the detailed description.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 23, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yong Joo Lee, Ha Na Kim, Deuk Kyu Moon, Jong Hoon Won, Myung Sup Jung
  • Patent number: 9250371
    Abstract: An anti-reflective film includes a polarizing film and a compensation film, where the polarizing film includes a polymer, and a plurality of dichroic dyes having an absorption wavelength region in a range from about 380 nanometers to about 780 nanometers, and a reflective color of the anti-reflective film is substantially in a range of ?5?a*?5 and ?5?b*?5 in CIE-Lab color coordinates.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Hoon Won, Myung Man Kim, Deuk Kyu Moon, Feifei Fang, Yong Joo Lee, Beom Seok Kim, Myung-Sup Jung
  • Patent number: 9207359
    Abstract: Disclosed are a polarizing film including a polyolefin and a dichroic dye having a solubility parameter difference between the polyolefin and the dichroic dye is less than 7.4, and a display device including the polarizing film.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Joo Lee, Deuk Kyu Moon, Sang Ho Park, Jong Hoon Won, Hyeon Ho Choi, Myung Man Kim, Young Hwan Kim, Feifei Fang, Myung Sup Jung
  • Patent number: D750093
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: February 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daehun Jung, Yong-joo Lee, Wonjun Lee, Bumho Chun
  • Patent number: D761797
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 19, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Sun Kang, Tae-Won Won, Yong-Joo Lee
  • Patent number: D787522
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yong-Joo Lee, Tae-Yeon Won
  • Patent number: D797737
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yeon Won, Yong-Joo Lee
  • Patent number: D797738
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yeon Won, Yong-Joo Lee
  • Patent number: D805522
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yeon Won, Yong-Joo Lee