Patents by Inventor Jung-Wook Lee

Jung-Wook 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: 10514567
    Abstract: A display panel with microcavities each having ends of asymmetric cross-sectional area. An exemplary display panel has a substrate; a pixel electrode formed on the substrate; a first black matrix and a second black matrix each disposed on the substrate; and a supporting member disposed on the substrate over the pixel electrode and the black matrix, the supporting member shaped so as to form a microcavity between the pixel electrode and the supporting member, the microcavity having an upper surface proximate to the supporting member and a lower surface opposite the upper surface. The microcavity has one end positioned over the first black matrix, and another end opposite the first end and positioned over the second black matrix; the lower surface of the microcavity has first and second channels disposed therein, the first channel positioned over the first black matrix, and the second channel positioned over the second black matrix.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Keun Lee, Jung Wook Lee, Yeun Tae Kim, Hae Ju Yun
  • Patent number: 10490894
    Abstract: A multi-drive apparatus for phase shifters is disclosed. The disclosed multi-drive apparatus for phase shifters includes: a main-axle gear; a multiple number of output shafts each connected to a phase shifter; a multiple number of output gears coupled with the output shafts; and a cam part having the output shafts arranged on its upper surface, where at least one recess is formed in the upper surface of the cam part, and when at least one of the output shafts is inserted into the recess according to a movement of the cam part, then an output gear coupled with the output shaft inserted into the recess engages the main-axle gear. With the disclosed multi-drive apparatus, it is possible to drive multiple phase shifters using just two motors.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: November 26, 2019
    Assignee: ACE TECHNOLOGIES CORPORATION
    Inventors: Byung Hwan Kim, Seung Yong Lee, Gun Seok Oh, Shin Gyo Han, Jung Wook Lee
  • Patent number: 10461218
    Abstract: A semiconductor device according to an embodiment includes: a light emitting structure including a first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, a second conductive semiconductor layer under the active layer, and a plurality of recesses exposing a lower portion of the first conductive semiconductor layer; at least one pad arranged outside the light emitting structure and arranged to be adjacent to at least one edge; and a plurality of insulation patterns arranged in the recesses and extending to a lower surface of the light emitting structure, in which widths of the plurality of insulation patterns are reduced as the insulation patterns become further away from the pad. The semiconductor device according to the embodiment may prevent a current from being focused on a recess area adjacent to the pad.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: October 29, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ji Hyun Koo, Dae Hee Lee, Jung Wook Lee
  • Publication number: 20190326349
    Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.
    Type: Application
    Filed: March 1, 2019
    Publication date: October 24, 2019
    Inventors: YONG-MIN KWON, GEUN-WOO KO, JUNG-WOOK LEE, JONG-HYUN LEE, PUN-JAE CHOI
  • Publication number: 20190229271
    Abstract: Use of a mixture of compounds according to the present invention as a phosphorescent host material can achieve a high light emitting efficiency and a low driving voltage in an organic electric element. In addition, an organic electric element having a greatly improved lifespan, and an electronic device comprising the same are provided.
    Type: Application
    Filed: July 4, 2017
    Publication date: July 25, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae LEE, Soung Yun MUN, Jae Taek KWON, Dae Sung KIM, Moo Jin PARK, Jung Wook LEE, Seul Gi KIM, Hyun Ju SONG, Bum Sung LEE, Won Sam KIM, Yun Suk LEE, Jung Hwan PARK, Sun Hee LEE
  • Publication number: 20190135730
    Abstract: Provided are an organic electric element and an electronic device comprising the same. According to the present invention, the organic electric element uses a mixture of compounds as a phosphorescent host material which can achieve a high light-emitting efficiency and a low driving voltage and can greatly improve a lifespan in an organic electric element.
    Type: Application
    Filed: April 20, 2017
    Publication date: May 9, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Jae Taek KWON, Dae Sung KIM, Moo Jin PARK, Jung Wook LEE, Sun Hee LEE, Hyun Ju SONG, Bum Sung LEE
  • Patent number: 10283716
    Abstract: Provided is a novel compound for EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: May 7, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jung Cheol Park, Sun Hee Lee, Mun Jae Lee, Soung Yun Mun, Bum Sung Lee, Jin Ho Yun, Yun Sun Byun, Jae Taek Kwon, Jung Wook Lee
  • Patent number: 10274792
    Abstract: A liquid-crystal display device includes a substrate, a thin-film transistor (“TFT”) disposed on the substrate, an insulation film disposed on the TFT, a pixel electrode disposed on the insulation film, an expanded electrode disposed in a same layer as the pixel electrode, a connection electrode which is disposed in the same layer as the pixel electrode and connects the pixel electrode with the expanded electrode, and a shield electrode disposed in the same layer as the pixel electrode and separated from the pixel electrode, the connection electrode and the expanded electrode, where the expanded electrode is electrically connected to the TFT via a contact hole defined in the insulation film, and where the shield electrode includes a first shield portion disposed between the pixel electrode and the contact hole in a plan view, and a second shield portion other than the first shield portion.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Cheol Shin, Hak Sun Chang, Jin Ah Kim, Se Hyun Lee, Seung Min Lee, Jung Wook Lee
  • Patent number: 10270009
    Abstract: Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: April 23, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dae Hee Lee, Young Hoon Kim, Jung Hwan Son, Seung Il Lee, Jung Wook Lee, Jae Young Im
  • Publication number: 20190067538
    Abstract: A light-emitting package includes a light-emitting structure having a first surface and a second surface opposite to the first surface. The light-emitting package further includes an electrode layer disposed on the first surface and an insulating layer disposed on the light-emitting structure and the electrode layer. The light-emitting package additionally includes an interconnection conductive layer penetrating the insulating layer and connected to the electrode layer and a reflective layer disposed between the insulating layer and the interconnection conductive layer. The reflective layer reflects light generated from the light-emitting structure in a direction toward the second surface.
    Type: Application
    Filed: March 19, 2018
    Publication date: February 28, 2019
    Inventors: Jung-wook LEE, Geun-woo KO, Pun-jae CHOI, Jae-ho Han
  • Publication number: 20190047992
    Abstract: The present invention provides a novel compound capable of improving the luminous efficiency, stability and life of an element, an organic electronic element using the same, and an electronic device comprising same.
    Type: Application
    Filed: November 9, 2016
    Publication date: February 14, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Sun Hee LEE, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Soung Yun MUN, Jung Wook LEE
  • Patent number: 10146089
    Abstract: A curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate overlapping the first substrate, a liquid crystal layer disposed between the first and the second substrates, and a common electrode disposed between the second substrate and the liquid crystal layer, in which the pixel electrode includes a cross-shaped stem portion having a horizontal stem portion, a vertical stem portion, and a plurality of fine branches extending from the cross-shaped stem portion, at least one of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and an extending line from a boundary between the first portion and the second portion is sloped at an angle in a range of ?10 degrees to +10 degrees with respect to the vertical stem portion.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Hee Hong, Jang-Il Kim, Un Byoll Ko, Sei-Yong Park, Jung Wook Lee
  • Publication number: 20180323341
    Abstract: A semiconductor device according to an embodiment includes: a light emitting structure including a first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, a second conductive semiconductor layer under the active layer, and a plurality of recesses exposing a lower portion of the first conductive semiconductor layer; at least one pad arranged outside the light emitting structure and arranged to be adjacent to at least one edge; and a plurality of insulation patterns arranged in the recesses and extending to a lower surface of the light emitting structure, in which widths of the plurality of insulation patterns are reduced as the insulation patterns become further away from the pad. The semiconductor device according to the embodiment may prevent a current from being focused on a recess area adjacent to the pad.
    Type: Application
    Filed: November 3, 2016
    Publication date: November 8, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Ji Hyun KOO, Dae Hee LEE, Jung Wook LEE
  • Publication number: 20180282276
    Abstract: The present invention provides the compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound represented by Formula 1. The driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: August 4, 2016
    Publication date: October 4, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Seul-gi KIM, Sun-Hee LEE, Yeon Hee CHOI, Jung Wook LEE
  • Patent number: 10089477
    Abstract: A text management system may include a text message transmission server that transmits a message received from a first device to a second device. The text message transmission server may include a device manager that manages device information of the second device, a receiver that receives a message from the first device, a message manager that determines a transmission path of the message to the second device based on the device information of the second device, and a transmitter that transmits, to the second device, the message along the determined transmission path.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: October 2, 2018
    Assignee: KT Corporation
    Inventors: Seokhong Kim, Jung-suk Park, Jung-wook Lee, Jae-uk Cha
  • Publication number: 20180240940
    Abstract: Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.
    Type: Application
    Filed: August 18, 2016
    Publication date: August 23, 2018
    Inventors: Dae Hee LEE, Young Hoon KIM, Jung Hwan SON, Seung Il LEE, Jung Wook LEE, Jae Young IM
  • Publication number: 20180205032
    Abstract: The present invention provides an organic electric element in which a first electrode, a second electrode, and an organic material layer are sequentially stacked, wherein the organic material layer comprises a hole transport layer, an emission-auxiliary layer and a light emitting layer, at least one of the hole transport layer and the emission-auxiliary layer comprises the compound represented by Formula 1, and the light emitting layer comprises the compound represented by Formula 2. According to the present invention, the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved.
    Type: Application
    Filed: July 5, 2016
    Publication date: July 19, 2018
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Bumsung LEE, Sun-Hee LEE, Soung Yun MUN, Junghwan PARK, Daesung KIM, Jung Cheol PARK, Jung Wook LEE, Mikyung KIM, Kwanhee LEE
  • Publication number: 20180179326
    Abstract: A polyurethane foam composition includes a polyol mixture that includes polyether polyol and polymer polyol, an isocyanate compound, a catalyst consisting of a resinizing catalyst and a foaming catalyst, a foaming agent, a chain extender, and a surfactant. The polymer polyol contained in the polyol mixture is present in an amount of 1% to 70% by weight, based on the total weigh of the polyol mixture. The polyether polyol has an average functional group number of 2 to 4 and a mass average molecular weight of 4000 to 8000. The polymer polyol is grafted or dispersed with 20 to 60 wt % of a solid polymer comprising a styrene monomer and acrylonitrile at a weight ratio of 9:1, in polyether polyol having an average functional group number of 2 to 4 and a mass average molecular weight of 3000 to 6000.
    Type: Application
    Filed: October 17, 2017
    Publication date: June 28, 2018
    Inventors: Ji Wan Kim, Jung Wook Lee, Gi Wook Sung, Seok Kyeong Kim, Jin Seok Kim, Jung Hyeun Kim
  • Patent number: 9956927
    Abstract: The present invention relates to a method for manufacturing a highly heat-resistant sound absorbing and insulating material, more specifically to a method including a beating and mixing step, a web forming step, a web stacking step, a needle punching step, a binder impregnating step and a solvent recovering step. The highly heat-resistant sound absorbing and insulating material manufactured by the method according to the present invention may be installed on a location closest to the noise source of an engine or an exhaust system to reduce radiated noise from the engine or the exhaust system, thereby improving quietness inside a vehicle, and may be applied to a location adjacent to a metal part which is at a temperature of 200° C. or greater to exert heat-insulating function, thereby protecting nearby plastic and rubber parts.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: May 1, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Keun Young Kim, Jung Wook Lee, Won Jin Seo, Won Ku Lee, Su Nam Lee, Byung Cheol Cho
  • Publication number: 20180083197
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprised the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: May 18, 2016
    Publication date: March 22, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jung Cheol PARK, Yeon Hee CHOI, Mun Jae LEE, Soung Yun MUN, Ki Won KIM, Namjin PARK, Jung Wook LEE