Patents by Inventor Jin Woong Lee

Jin Woong 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: 20200006612
    Abstract: A light emitting diode chip includes: a first conductivity type semiconductor layer; a mesa disposed on a partial region of the first conductivity type semiconductor layer, and including an active layer and a second conductivity type semiconductor layer; a transparent electrode being in ohmic contact with the second conductivity type semiconductor layer; a first current spreader being in ohmic contact with the first conductivity type semiconductor layer; a second current spreader electrically connected to the transparent electrode; an insulation layer covering the mesa, the first current spreader and the second current spreader, and including a distributed Bragg reflector. A lateral distance between the first current spreader and the mesa is larger than a thickness of the insulation layer, and a first side surface of the first current spreader close to the mesa is longer than the second side surface thereof.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jin Woong LEE, Kyoung Wan KIM, Keum Ju LEE
  • Patent number: 10411164
    Abstract: A light-emitting electrode having a ZnO transparent electrode and a method for manufacturing the same are provided. A light-emitting element according to an embodiment comprises: a light-emitting structure comprising a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; and a ZnO transparent electrode, which is positioned on the second conductive semiconductor layer, which makes an Ohmic contact with the second conductive semiconductor layer, and which comprises monocrystalline ZnO, wherein the diffraction angle of a peak of the ZnO transparent electrode, which results from X-ray diffraction (XRD) omega 2theta (?2?) scan, is in the range of ±1% with regard to the diffraction angle of a peak of the second conductive semiconductor layer, which results from XRD ?2? scan, and the FWHM of a main peak of the ZnO transparent electrode, which results from XRD omega (?) scan, is equal to or less than 900 arc sec.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: September 10, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jin Woong Lee, Chan Seob Shin, Keum Ju Lee, Seom Geun Lee, Myoung Hak Yang, Jacob J. Richardson, Evan C. O'Hara
  • Patent number: 10339451
    Abstract: A system for developing a composition for powder molding which, after a viscosity of the composition for powder molding and a degreasing process, extracts optimal compositional information of the composition in terms of the ratios of the residual binder materials is disclosed. Such a system includes a searching logic unit configured, after generating a plurality of candidate compositional information, to extract the optimal compositional information therefrom and a synthesis/analysis module configured to synthesize and analyze compositions corresponding to the plurality of candidate compositional information and provide to the searching logic unit measurement information on the viscosities of the compositions corresponding to each of the plurality of candidate compositional information and ratios of residual binder materials after a degreasing process.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: July 2, 2019
    Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Ji Sik Kim, Kee Sun Sohn, Jin Woong Lee
  • Publication number: 20190157506
    Abstract: A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Inventors: Mae Yi KIM, Jin Woong LEE, Yeo Jin YOON, Seom Geun LEE, Yong Woo RYU, Keum Ju Lee
  • Patent number: 10243109
    Abstract: According to the present invention, a light-emitting diode with improved light extraction efficiency comprises: a semiconductor laminated structure including an N-layer, a light-emitting layer, and a P-layer formed on a substrate; an N-type electrode formed on the N-layer; and a P-type electrode formed on the P-layer, wherein the N-type electrode and the P-type electrode include a pad electrode and a dispersion electrode, and the N-type electrode and/or the P-type electrode includes a reflective electrode layer for reflecting light onto the dispersion electrode. Thus, the light-emitting diode has a reflective electrode layer on the electrode so as to improve light extraction efficiency. Further, a reflective layer is patterned beneath a pad unit, thus forming roughness and improving adhesion.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: March 26, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
  • Patent number: 10228580
    Abstract: The present invention relates to a touch panel and, more particularly, to a touch panel comprising: a substrate, which is divided into a valid area and an invalid area; sensing electrodes disposed in the valid area, thereby sensing a first input; touch electrodes disposed in the valid area so as not to overlap with the sensing electrode, thereby sensing a second input; first wirings disposed in the invalid area and connected to the sensing electrodes; and second wirings disposed in the invalid area and connected to the touch electrodes, wherein the touch electrodes are mesh form and disposed between the sensing electrodes, and each second wiring surrounds at least one sensing electrode and is electrically connected in a loop form.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: March 12, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Su Oem, Young Sun You, Jin Woong Lee, Chung Wan Lee, Kwang Yong Jin, Yong Jae Choi
  • Patent number: 10193017
    Abstract: A light emitting diode includes a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 29, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
  • Patent number: 10172190
    Abstract: A light emitting diode including a first semiconductor layer and a plurality of mesas including a second semiconductor layer and an active layer interposed between the first semiconductor layer and the second semiconductor layer, the first semiconductor layer including an exposed region between the plurality of mesas, a current blocking layer disposed on a portion of the plurality of mesas and a portion of the exposed region, a transparent electrode layer covering the second semiconductor layer and the current blocking layer, and a second electrode disposed on the current blocking layer and the transparent electrode layer and electrically connected to the second semiconductor layer. The current blocking layer includes a connecting portion extending from a first mesa to a second mesa adjacent to the first mesa and a protruding portion protruding from the connecting portion and disposed on the exposed region.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: January 1, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Mae Yi Kim, Seom Geun Lee, Yeo Jin Yoon, Jin Woong Lee, Yong Woo Ryu
  • Publication number: 20180359903
    Abstract: An agricultural work vehicle according to an aspect of the present invention, which can adaptively adjust the velocity profile of the hitch according to the weight of the work machine, is characterized by comprising: a hitch on which an work machine is mounted; a weight calculation unit that calculates the weight of the work machine when the work machine is lifted following a first lift of the hitch; and a hitch controller that firstly lifts the hitch according to a reference velocity profile comprising a constant-velocity section (T) and, when calculation of the weight of the work machine is completed, generates an updated velocity profile comprising acceleration sections (a1, a2), constant-velocity sections (b1, b2), and deceleration sections (c1, c1) according to the weight of the work machine, and secondly lifts the hitch according to the updated velocity profile.
    Type: Application
    Filed: December 14, 2016
    Publication date: December 20, 2018
    Inventor: Jin Woong LEE
  • Publication number: 20180323346
    Abstract: A light-emitting electrode having a ZnO transparent electrode and a method for manufacturing the same are provided. A light-emitting element according to an embodiment comprises: a light-emitting structure comprising a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; and a ZnO transparent electrode, which is positioned on the second conductive semiconductor layer, which makes an Ohmic contact with the second conductive semiconductor layer, and which comprises monocrystalline ZnO, wherein the diffraction angle of a peak of the ZnO transparent electrode, which results from X-ray diffraction (XRD) omega 2theta (?2?) scan, is in the range of ±1% with regard to the diffraction angle of a peak of the second conductive semiconductor layer, which results from XRD ?2? scan, and the FWHM of a main peak of the ZnO transparent electrode, which results from XRD omega (?) scan, is equal to or less than 900 arcsec.
    Type: Application
    Filed: August 23, 2016
    Publication date: November 8, 2018
    Inventors: Jin Woong Lee, Chan Seob Shin, Keum Ju Lee, Seom Geun Lee, Myoung Hak Yang
  • Patent number: 10084112
    Abstract: A method of fabricating a light emitting diode (LED) includes: sequentially stacking a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer on a substrate; and separating the substrate into unit chips, and at the same time, forming a concavo-convex structure having the shape of irregular vertical lines in a side surface of the unit chip.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: September 25, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Kyung Wan Kim, Tae Kyoon Kim, Yeo Jin Yoon, Ye Seul Kim, Sang Hyun Oh, Jin Woong Lee, In Soo Kim
  • Publication number: 20180248081
    Abstract: According to the present invention, a light-emitting diode with improved light extraction efficiency comprises: a semiconductor laminated structure including an N-layer, a light-emitting layer, and a P-layer formed on a substrate; an N-type electrode formed on the N-layer; and a P-type electrode formed on the P-layer, wherein the N-type electrode and the P-type electrode include a pad electrode and a dispersion electrode, and the N-type electrode and/or the P-type electrode includes a reflective electrode layer for reflecting light onto the dispersion electrode. Thus, the light-emitting diode has a reflective electrode layer on the electrode so as to improve light extraction efficiency. Further, a reflective layer is patterned beneath a pad unit, thus forming roughness and improving adhesion.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
  • Publication number: 20180219130
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Publication number: 20180190864
    Abstract: A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.
    Type: Application
    Filed: February 26, 2018
    Publication date: July 5, 2018
    Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
  • Publication number: 20180153007
    Abstract: A light emitting diode including a first semiconductor layer and a plurality of mesas including a second semiconductor layer and an active layer interposed between the first semiconductor layer and the second semiconductor layer, the first semiconductor layer including an exposed region between the plurality of mesas, a current blocking layer disposed on a portion of the plurality of mesas and a portion of the exposed region, a transparent electrode layer covering the second semiconductor layer and the current blocking layer, and a second electrode disposed on the current blocking layer and the transparent electrode layer and electrically connected to the second semiconductor layer. The current blocking layer includes a connecting portion extending from a first mesa to a second mesa adjacent to the first mesa and a protruding portion protruding from the connecting portion and disposed on the exposed region.
    Type: Application
    Filed: May 18, 2016
    Publication date: May 31, 2018
    Inventors: Mae Yi KIM, Seom Geun LEE, Yeo Jin YOON, Jin Woong LEE, Yong Woo RYU
  • Patent number: 9978910
    Abstract: According to the present invention, a light-emitting diode with improved light extraction efficiency comprises: a semiconductor laminated structure including an N-layer, a light-emitting layer, and a P-layer formed on a substrate; an N-type electrode formed on the N-layer; and a P-type electrode formed on the P-layer, wherein the N-type electrode and the P-type electrode include a pad electrode and a dispersion electrode, and the N-type electrode and/or the P-type electrode includes a reflective electrode layer for reflecting light onto the dispersion electrode. Thus, the light-emitting diode has a reflective electrode layer on the electrode so as to improve light extraction efficiency. Further, a reflective layer is patterned beneath a pad unit, thus forming roughness and improving adhesion.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: May 22, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
  • Publication number: 20180120971
    Abstract: The present invention relates to a touch panel and, more particularly, to a touch panel capable of improving electrical conductive characteristics of the touch panel, reducing the size of the touch panel, improving the visibility of the touch panel, and minimizing damage to a substrate when a failure test is performed on the touch panel.
    Type: Application
    Filed: May 2, 2016
    Publication date: May 3, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jin Woong LEE, Byung Youl MOON, Jung Hwan BANG, Kwang Yong JIN, Yong Jae CHOI
  • Patent number: 9929314
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9905729
    Abstract: A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
  • Publication number: 20170364171
    Abstract: The present invention relates to a touch panel and, more specifically, to a touch panel comprising: a substrate having an effective region and a non-effective region; a sensing electrode and a touch electrode formed in the effective region on the substrate; a wiring electrode formed in the non-effective region on the substrate and connected to the sensing electrode; a touch wiring electrode formed in the non-effective region on the substrate and connected to the touch electrode; and a coil part formed in the non-effective region on the substrate.
    Type: Application
    Filed: February 2, 2016
    Publication date: December 21, 2017
    Inventors: Young Sun YOU, Jin Woong LEE, Kwang Yong JIN, Seong Su EOM, Chung Wan LEE, Yong Jae CHOI