Patents by Inventor Dong Hyun Yu

Dong Hyun Yu 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: 20240099129
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 21, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Publication number: 20240090325
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 14, 2024
    Inventors: Dong Wan RYU, Chang Ju SHIN, Seungjae LEE, Hyung Sun KIM, Yuna JANG, Eun Sun YU, Sung-Hyun JUNG
  • Publication number: 20230134034
    Abstract: An evaluation method capable of evaluating whether or not waste plastic-derived porous carbon can be applied on an industrial scale, according to the present disclosure, may include the steps of evaluating CO2 capture performance using a 5-step temperature vacuum swing adsorption (TVSA) process, assessing economic feasibility in an industry using a techno-economic assessment (TEA) method, and quantifying environmental impacts of the porous carbon production pathway and global warming potential (GWP) using cradle-to-gate life-cycle assessment (LCA). A method for manufacturing porous carbon, according to the present disclosure, may include the steps of carbonizing a polyethylene terephthalate plastic, activating the carbonized plastic with CO2, and performing cooling.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Applicants: Korea University Research and Business Foundation, UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Yong Sik OK, Han Kwon LIM, Boris BRIGLJEVIC, Xiangzhou YUAN, Dong Hyun YU, Shauhrat S. CHOPRA
  • Publication number: 20230020189
    Abstract: A distance measuring camera apparatus according to an embodiment of the present invention comprises: a light-emitting unit; and a light-receiving unit including an image sensor. The light-emitting unit comprises: a light source including a light-emitting device; and a diffusion member arranged on the light source and including a plurality of micro-lenses. The diffusion member includes a first region and a second region, wherein the first region surrounds the second region and the second region is arranged such that the center thereof overlaps the light-emitting unit in an optical axis direction. In addition, the diameter of the micro-lens in the second region is smaller than the diameter of the micro-lens in the first region.
    Type: Application
    Filed: November 12, 2020
    Publication date: January 19, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Gwui Youn PARK, Dong Hyun YU
  • Patent number: 10998476
    Abstract: A light-emitting device package includes a first lead frame; a second lead frame separated from the first lead frame in a first direction; a package body having a cavity exposing a portion of the second lead frame. Further, the cavity includes an inclined inner surface inclining with respect to an upper surface of the second lead frame; a light-emitting diode disposed on the exposed portion of the second lead frame; a hole in the inclined inner surface of the cavity and exposing a portion of the first lead frame; a protection device disposed in the hole and on the exposed portion of the first lead frame; a first wire having a first end connected to the light-emitting diode, and a second end connected to the first lead frame; a second wire having a first end connected to the light-emitting diode, and a second end connected to the second lead frame; and a third wire having a first end connected to the protection device, and a second end connected to the exposed portion of the second lead frame.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Yu, Bong Kul Min
  • Patent number: 10593848
    Abstract: A light-emitting element package according to one embodiment includes first and second lead frames electrically separated from each other; a package body including a slope configured to define a cavity along with at least one of the first or second lead frame; and at least one element unit disposed in an element area of at least one of the first or second lead frame, the element unit including a light-emitting element and a protective element, wherein the package body is disposed between the protective element and the light-emitting element.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: March 17, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Yu, Bong Kul Min
  • Patent number: 10461233
    Abstract: A light emitting device package of an embodiment including a first lead frame; a light emitting device mounted on the first lead frame; a second lead frame spaced apart from the first lead frame in a first direction; a protective device mounted on the second lead frame; and a body coupled to the first and second lead frames, wherein the first lead frame includes a first stepped portion disposed along an edge of a lower surface thereof, and the second lead frame includes a third stepped portion disposed along an edge of a lower surface thereof, a mounting region of the protective device which is not overlapped in a vertical direction and spaced apart from the third stepped portion, and a second wire recess portion which is partially overlapped with the third stepped portion in the vertical direction.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: October 29, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Yu, Kyung Ho Kang, Nae Sang Yun, Meen Soo Choe
  • Patent number: 10424704
    Abstract: A light-emitting device package according to an embodiment includes first and second lead frames, a package body exposing a portion of a front surface of at least one of the first or second lead frame, a light-emitting device, a protecting device, and at least one wire configured to electrically connect the exposed front surface of at least one of the first or second lead frame to at least one of the light-emitting device or the protecting device, wherein the exposed front surface of at least one of the first or second lead frame includes at least one bonding area connected to the at least one wire, wherein the at least one bonding area has a planar shape in which the at least one bonding area is disposed so as to contact a corner of the exposed front surface of at least one of the first or second lead frame.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: September 24, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Yu, Bong Kul Min
  • Publication number: 20190259929
    Abstract: A light-emitting device package includes a first lead frame; a second lead frame separated from the first lead frame in a first direction; a package body having a cavity exposing a portion of the second lead frame. Further, the cavity includes an inclined inner surface inclining with respect to an upper surface of the second lead frame; a light-emitting diode disposed on the exposed portion of the second lead frame; a hole in the inclined inner surface of the cavity and exposing a portion of the first lead frame; a protection device disposed in the hole and on the exposed portion of the first lead frame; a first wire having a first end connected to the light-emitting diode, and a second end connected to the first lead frame; a second wire having a first end connected to the light-emitting diode, and a second end connected to the second lead frame; and a third wire having a first end connected to the protection device, and a second end connected to the exposed portion of the second lead frame.
    Type: Application
    Filed: March 15, 2019
    Publication date: August 22, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun YU, Bong Kul MIN
  • Publication number: 20180358523
    Abstract: Embodiments relate to a light emitting device package and a lighting device.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 13, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun YU, Kyung Ho KANG, Nae Sang YUN, Meen Soo CHOE
  • Patent number: 10103303
    Abstract: A light emitting package includes a first lead frame; a second lead frame spaced apart from the first lead frame in a first direction; a body coupled to the first lead frame and the second lead frame; and a light emitting element on the first lead frame. The first lead frame includes first to fourth side parts, the first side part includes a first protrusion that protrudes outwards from one side surface of the body, and a first contact part disposed at the end of the first protrusion. The second lead frame includes fifth to eighth side parts, the fifth side part includes a second protrusion that protrudes outwards from a side surface of the body, which is symmetrical to the one side surface of the body, and a second contact part disposed at the end of the second protrusion. Each of the first contact part and the second contact part includes a second layer and first layer covers the second layer.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: October 16, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Yu, Choong Youl Kim
  • Publication number: 20180254392
    Abstract: A light-emitting element package according to one embodiment includes first and second lead frames electrically separated from each other; a package body including a slope configured to define a cavity along with at least one of the first or second lead frame; and at least one element unit disposed in an element area of at least one of the first or second lead frame, the element unit including a light-emitting element and a protective element, wherein the package body is disposed between the protective element and the light-emitting element.
    Type: Application
    Filed: August 26, 2016
    Publication date: September 6, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun YU, Bong Kul MIN
  • Publication number: 20180212117
    Abstract: A light-emitting device package according to an embodiment includes first and second lead frames, a package body exposing a portion of a front surface of at least one of the first or second lead frame, a light-emitting device, a protecting device, and at least one wire configured to electrically connect the exposed front surface of at least one of the first or second lead frame to at least one of the light-emitting device or the protecting device, wherein the exposed front surface of at least one of the first or second lead frame includes at least one bonding area connected to the at least one wire, wherein the at least one bonding area has a planar shape in which the at least one bonding area is disposed so as to contact a corner of the exposed front surface of at least one of the first or second lead frame.
    Type: Application
    Filed: July 18, 2016
    Publication date: July 26, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun YU, Bong Kul MIN
  • Patent number: 10018906
    Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Bo Shim, Dong-Hyun Yu, Jin-Ho Ju
  • Publication number: 20170155024
    Abstract: A light emitting package includes a first lead frame; a second lead frame spaced apart from the first lead frame in a first direction; a body coupled to the first lead frame and the second lead frame; and a light emitting element on the first lead frame. The first lead frame includes first to fourth side parts, the first side part includes a first protrusion that protrudes outwards from one side surface of the body, and a first contact part disposed at the end of the first protrusion. The second lead frame includes fifth to eighth side parts, the fifth side part includes a second protrusion that protrudes outwards from a side surface of the body, which is symmetrical to the one side surface of the body, and a second contact part disposed at the end of the second protrusion. Each of the first contact part and the second contact part includes a second layer and first layer covers the second layer.
    Type: Application
    Filed: November 25, 2016
    Publication date: June 1, 2017
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun YU, Choong Youl KIM
  • Publication number: 20160154297
    Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Inventors: Seung-Bo SHIM, Dong-Hyun YU, Jin-Ho JU
  • Patent number: 9291841
    Abstract: A display device is provided. The display device includes a substrate including a pixel region, a thin film transistor formed on the substrate, a light blocking member formed at a boundary of the pixel region, and a pixel electrode formed in the pixel region, the pixel electrode connected to the thin film transistor. The display device also includes a common electrode formed on the light blocking member, the common electrode spaced apart from the pixel electrode with a microcavity interposed between the common electrode and the pixel electrode, and a roof layer comprising a color filter formed on the common electrode. The display device further includes an opening formed in the common electrode and the roof layer to expose a portion of the microcavity, a liquid crystal filling the microcavity, and an overcoat formed on the roof layer to cover the opening and seal the microcavity for each pixel region.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Bae, Dong Hyun Yu, Hyung-Il Jeon
  • Patent number: 9293475
    Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Bo Shim, Dong-Hyun Yu, Jin-Ho Ju
  • Patent number: 9285621
    Abstract: A method to manufacture a display device, includes: forming, on a substrate of the display device, a sacrificial layer including a material, the material including at least one of amorphous carbon, a metal, and an inorganic material; forming a layer covering the sacrificial layer; forming an injection hole exposing the sacrificial layer; removing, via the injection hole, the sacrificial layer to form a microcavity; and disposing liquid crystal in the microcavity.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: March 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hyun Yu, Hyung-Il Jeon, Gwan Ha Kim, Joo-Han Bae
  • Publication number: 20150162356
    Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.
    Type: Application
    Filed: June 26, 2014
    Publication date: June 11, 2015
    Inventors: Seung-Bo Shim, Dong-Hyun Yu, Jin-Ho Ju