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).
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Publication number: 20200006612Abstract: 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: ApplicationFiled: June 26, 2019Publication date: January 2, 2020Applicant: SEOUL VIOSYS CO., LTD.Inventors: Jin Woong LEE, Kyoung Wan KIM, Keum Ju LEE
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Patent number: 10411164Abstract: 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: GrantFiled: August 23, 2016Date of Patent: September 10, 2019Assignee: 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
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Patent number: 10339451Abstract: 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: GrantFiled: February 19, 2016Date of Patent: July 2, 2019Assignee: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Ji Sik Kim, Kee Sun Sohn, Jin Woong Lee
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Publication number: 20190157506Abstract: 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: ApplicationFiled: January 28, 2019Publication date: May 23, 2019Inventors: Mae Yi KIM, Jin Woong LEE, Yeo Jin YOON, Seom Geun LEE, Yong Woo RYU, Keum Ju Lee
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Patent number: 10243109Abstract: 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: GrantFiled: April 27, 2018Date of Patent: March 26, 2019Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
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Patent number: 10228580Abstract: 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: GrantFiled: December 28, 2015Date of Patent: March 12, 2019Assignee: LG INNOTEK CO., LTD.Inventors: Seong Su Oem, Young Sun You, Jin Woong Lee, Chung Wan Lee, Kwang Yong Jin, Yong Jae Choi
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Patent number: 10193017Abstract: 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: GrantFiled: February 26, 2018Date of Patent: January 29, 2019Assignee: SEOUL VIOSYS CO., LTD.Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
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Patent number: 10172190Abstract: 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: GrantFiled: May 18, 2016Date of Patent: January 1, 2019Assignee: Seoul Viosys Co., Ltd.Inventors: Mae Yi Kim, Seom Geun Lee, Yeo Jin Yoon, Jin Woong Lee, Yong Woo Ryu
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Publication number: 20180359903Abstract: 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: ApplicationFiled: December 14, 2016Publication date: December 20, 2018Inventor: Jin Woong LEE
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Publication number: 20180323346Abstract: 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: ApplicationFiled: August 23, 2016Publication date: November 8, 2018Inventors: Jin Woong Lee, Chan Seob Shin, Keum Ju Lee, Seom Geun Lee, Myoung Hak Yang
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Patent number: 10084112Abstract: 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: GrantFiled: March 24, 2017Date of Patent: September 25, 2018Assignee: 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
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Publication number: 20180248081Abstract: 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: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
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Publication number: 20180219130Abstract: 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: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
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Publication number: 20180190864Abstract: 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: ApplicationFiled: February 26, 2018Publication date: July 5, 2018Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
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Publication number: 20180153007Abstract: 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: ApplicationFiled: May 18, 2016Publication date: May 31, 2018Inventors: Mae Yi KIM, Seom Geun LEE, Yeo Jin YOON, Jin Woong LEE, Yong Woo RYU
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Patent number: 9978910Abstract: 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: GrantFiled: July 25, 2016Date of Patent: May 22, 2018Assignee: Seoul Viosys Co., Ltd.Inventors: Jin Woong Lee, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim
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Publication number: 20180120971Abstract: 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: ApplicationFiled: May 2, 2016Publication date: May 3, 2018Applicant: LG INNOTEK CO., LTD.Inventors: Jin Woong LEE, Byung Youl MOON, Jung Hwan BANG, Kwang Yong JIN, Yong Jae CHOI
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Patent number: 9929314Abstract: 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: GrantFiled: October 27, 2016Date of Patent: March 27, 2018Assignee: 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
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Patent number: 9905729Abstract: 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: GrantFiled: November 17, 2016Date of Patent: February 27, 2018Assignee: Seoul Viosys Co., Ltd.Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
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Publication number: 20170364171Abstract: 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: ApplicationFiled: February 2, 2016Publication date: December 21, 2017Inventors: Young Sun YOU, Jin Woong LEE, Kwang Yong JIN, Seong Su EOM, Chung Wan LEE, Yong Jae CHOI