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).

  • 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
  • Publication number: 20170351131
    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: Application
    Filed: December 28, 2015
    Publication date: December 7, 2017
    Inventors: Seong Su OEM, Young Sun YOU, Jin Woong LEE, Chung Wan LEE, Kwang Yong JIN, Yong Jae CHOI
  • Publication number: 20170200857
    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: Application
    Filed: March 24, 2017
    Publication date: July 13, 2017
    Inventors: Kyung Wan KIM, Tae Kyoon KIM, Yeo Jin YOON, Ye Seul KIM, Sang Hyun OH, Jin Woong LEE, In Soo KIM
  • Patent number: 9638297
    Abstract: A rack bar supporting device is a device for supporting a rack bar of a steering apparatus of a vehicle toward a pinion shaft and includes a rack bearing and a biasing assembly. The biasing assembly includes an adjustment plug, an adjustment assembly and a support plate assembly. The adjustment assembly includes an adjustment member and a first biasing member. The support plate assembly includes a first support plate, a second support plate, a second biasing member which provides a force for pushing the first support plate along the biasing axis against the second support plate, and a connection structure which connects the first and the second support plates together so as to restrict movement of the second plate in a direction away from the rack bearing.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: May 2, 2017
    Assignee: ERAE AUTOMOTIVE SYSTEMS CO., LTD.
    Inventors: Chang-Wook Son, Seong-Hun Bae, Min-Young Choi, Jin-Woong Lee, Je-Won Kim
  • Patent number: 9608165
    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: July 9, 2015
    Date of Patent: March 28, 2017
    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: 20170077355
    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: July 25, 2016
    Publication date: March 16, 2017
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
  • Publication number: 20170069789
    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: November 17, 2016
    Publication date: March 9, 2017
    Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
  • Publication number: 20170047483
    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: October 27, 2016
    Publication date: February 16, 2017
    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: 20160380157
    Abstract: A light-emitting diode (LED) includes a light-emitting structure arranged on a first surface of a substrate, the light-emitting structure including a first conductivity-type semiconductor layer; a second conductivity-type semiconductor layer, and an active layer interposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer. The LED includes a first distributed Bragg reflector arranged on a second surface of the substrate opposite to the first surface, the first distributed Bragg reflector including a first laminate structure including alternately stacked SiO2 and Nb2O5 layers. The first laminate structure of the first distributed Bragg reflector is configured to reflect at least 90% of a first wavelength range of blue light emitted from the light emitting structure.
    Type: Application
    Filed: September 12, 2016
    Publication date: December 29, 2016
    Inventors: Duk Il SUH, Jae Moo Kim, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim, Sang Hyun Oh, Jin Woong Lee
  • Patent number: 9520536
    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: December 30, 2015
    Date of Patent: December 13, 2016
    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
  • Publication number: 20160253589
    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: Application
    Filed: February 19, 2016
    Publication date: September 1, 2016
    Inventors: Ji Sik KIM, Kee Sun SOHN, Jin Woong LEE
  • Patent number: 9401456
    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: June 15, 2015
    Date of Patent: July 26, 2016
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
  • Patent number: 9397264
    Abstract: Disclosed herein in 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 second 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: February 24, 2015
    Date of Patent: July 19, 2016
    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
  • Publication number: 20160118564
    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: December 30, 2015
    Publication date: April 28, 2016
    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: 9321477
    Abstract: A rack bar support device supports a rack bar of a steering device of a vehicle toward a pinion shaft, and includes a rack bearing which is disposed opposite the pinion to contact the rack bar and a biasing assembly providing a force of pushing the rack bearing along a biasing axis toward the rack bar to urge the rack bearing to push the rack bar is engaged with the pinion shaft. The biasing assembly includes an adjustment plug, an adjustment assembly and a support plate assembly. The support plate assembly includes a support plate which is movably disposed between the adjustment member and the rack bearing in a state of being supported by the adjustment member, and a gap is formed between the support plate and the rack bearing.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: April 26, 2016
    Assignee: ERAE AUTOMOTIVE SYSTEMS CO., LTD.
    Inventors: Seong-Hun Bae, Chang-Wook Son, Chung-Shin Lee, Jin-Woong Lee, Je-Won Kim
  • Patent number: 9202984
    Abstract: A light-emitting diode (LED) including a semiconductor stack structure including a first semiconductor layer, an active layer, and a second semiconductor layer, the semiconductor stack disposed on a substrate, a conductive substrate disposed on the semiconductor stack structure, and an electrode disposed on the conductive substrate and in ohmic contact with the conductive substrate, wherein the electrode comprises grooves penetrating the electrode and a portion of the conductive substrate.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: December 1, 2015
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim, Tae Kyoon Kim
  • Publication number: 20150311390
    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: Application
    Filed: July 9, 2015
    Publication date: October 29, 2015
    Inventors: Kyung Wan KIM, Tae Kyoon KIM, Yeo Jin YOON, Ye Seul KIM, Sang Hyun OH, Jin Woong LEE, In Soo KIM
  • Publication number: 20150280074
    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: June 15, 2015
    Publication date: October 1, 2015
    Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim