Patents by Inventor Sang-youl Lee
Sang-youl 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: 20250089471Abstract: A display device includes a substrate including a display region and a peripheral region, display structures at the display region of the substrate, a plurality of blocking structures at the peripheral region of the substrate wherein the blocking structures have heights different from each other, an organic layer on the display structures and the blocking structures, and an inorganic layer on the organic layer.Type: ApplicationFiled: November 22, 2024Publication date: March 13, 2025Inventors: Sun-Youl Lee, Yeon-Heok You, Sang-Won Seo, Jung-Ju Yu
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Patent number: 12057537Abstract: Disclosed in an embodiment are a semiconductor device and a light-emitting device package including same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged in a matrix shape in the central area of the substrate; passivation layers arranged on upper surfaces and lateral surfaces of the semiconductor structures and on the edge area of the substrate; a plurality of first wiring lines which are arranged at lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include first end parts extending from the central area to the edge area of the substrate; a plurality of second wiring lines which are arranged at the lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include second end parts extending from the central area to the edge area of the substrate; a plurality of first pads penetrating the passivation layer so as to be connected to the plurality of first end parts;Type: GrantFiled: March 15, 2019Date of Patent: August 6, 2024Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Sang Youl Lee, Ki Man Kang, Ji Hyung Moon, Yoon Min Jo
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Publication number: 20240222285Abstract: A semiconductor device package includes a substrate; and a plurality of semiconductor structures disposed to be spaced apart from each other at a central portion of the substrate. Further, the semiconductor structure is disposed on the substrate and includes a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer disposed on the first conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer. The semiconductor device package also includes a plurality of first interconnection lines disposed between the substrate and the plurality of semiconductor structures and electrically connected to the first conductivity-type semiconductor layer; and a plurality of second interconnection lines disposed between the substrate and the plurality of semiconductor structures and electrically connected to the second conductivity-type semiconductor layer.Type: ApplicationFiled: January 5, 2024Publication date: July 4, 2024Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Sang Youl LEE, Ki Man KANG, Eun Dk LEE
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Patent number: 11894307Abstract: Disclosed in an embodiment is a semiconductor device package comprising a substrate and a plurality of semiconductor structures arranged to be spaced apart at the center of the substrate, wherein the semiconductor structure is arranged on the substrate and includes a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer arranged between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and the ratio of the maximum height of the outermost surface of the first conductive type semiconductor layer to the length of the spacing distance between the adjacent semiconductor structures is 1:3 to 1:60.Type: GrantFiled: April 5, 2019Date of Patent: February 6, 2024Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Sang Youl Lee, Ki Man Kang, Eun Dk Lee
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Patent number: 11682751Abstract: Disclosed is a semiconductor device package comprising: first insulation layers disposed between first wiring lines and second wiring lines; a plurality of first pads electrically connected to the first wiring lines, respectively; and a plurality of second pads electrically connected to the second wiring lines, respectively, wherein the line having the longest length extended in a first direction, among the plurality of first wiring lines, has an area of a region, which is overlapped with an electrically connected semiconductor structure, that is larger than that of the line having the shortest extended length.Type: GrantFiled: January 22, 2019Date of Patent: June 20, 2023Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Ki Man Kang, Do Yub Kim, Sang Youl Lee, Eun Dk Lee
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Patent number: 11469354Abstract: Disclosed in an embodiment are a semiconductor device and a head lamp comprising the same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged at a center part of the substrate; first and second pads arranged at an edge part of the substrate; a first wiring line electrically connecting at least one of the plurality of semiconductor structures to the first pad; a second wiring line electrically connecting at least one of the plurality of semiconductor structures to the second pad; and a wavelength conversion layer arranged on the plurality of semiconductor structures, wherein the plurality of semiconductor structures is arranged to be spaced apart from each other in a first direction and a second direction, the first direction and the second direction cross each other, the interval distance between the plurality of semiconductor structures is 5 ?m to 40 ?m and the thickness of the wavelength conversion layer is 1 ?m to 50 ?m.Type: GrantFiled: August 31, 2018Date of Patent: October 11, 2022Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Sang Youl Lee, Ki Man Kang, Do Yub Kim, Eun Dk Lee
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Patent number: 11450788Abstract: In an embodiment, disclosed is a semiconductor device comprising: a semiconductor structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer; and a second electrode which is electrically connected to the second conductive semiconductor layer, wherein an area ratio between an area of an upper surface of the second conductive semiconductor layer and an area of an outer surface of the active layer is 1:0.0005 to 1:0.01.Type: GrantFiled: March 22, 2019Date of Patent: September 20, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Yong Tae Moon, Ji Hyung Moon, Sang Youl Lee
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Patent number: 11398581Abstract: Disclosed is a semiconductor device including a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode electrically connected to the second semiconductor layer. The semiconductor structure includes a first upper surface on which the first semiconductor layer is exposed, a second upper surface on which the second semiconductor layer is disposed, an inclined surface connecting the first upper surface and the second upper surface, and a recess formed between the first upper surface and the inclined surface. The recess has a depth less than or equal to 30% of a vertical distance between the first upper surface and the second upper surface.Type: GrantFiled: November 2, 2018Date of Patent: July 26, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
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Patent number: 11335838Abstract: A light emitting device including a contact layer, a blocking layer over the contact layer, a protection layer adjacent the blocking layer, a light emitter over the blocking layer, and an electrode layer coupled to the light emitter. The electrode layer overlaps the blocking layer and protection layer, and the blocking layer has an electrical conductivity that substantially blocks flow of current from the light emitter in a direction towards the contact layer. In addition, the protection layer may be conductive to allow current to flow to the light emitter or non-conductive to block current from flowing from the light emitter towards the contact layer.Type: GrantFiled: January 23, 2018Date of Patent: May 17, 2022Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.Inventors: Kwang Ki Choi, Hwan Hee Jeong, Sang Youl Lee, June O Song
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Patent number: 11239394Abstract: Disclosed herein is a semiconductor device including a light emitting structure including a first conductive type semiconductor layer, a plurality of active layers disposed to be spaced apart on the first conductive type semiconductor layer, and a plurality of second conductive type semiconductor layers disposed on the plurality of active layers, respectively, a first electrode electrically connected to the first conductive type semiconductor layer, and a plurality of second electrodes electrically connected to the plurality of second conductive type semiconductor layers, respectively, wherein the plurality of active layers include a first active layer, a second active layer, and a third active layer, the light emitting structure includes a first light emitter including the first active layer, a second light emitter including the second active layer, and a third light emitter including the third active layer, the first active layer emits light in a blue wavelength band, the second active layer emits light inType: GrantFiled: March 17, 2017Date of Patent: February 1, 2022Assignee: LG INNOTEK CO., LTD.Inventors: Sun Woo Park, Myung Ho Han, Hyeon Min Cho, June O Song, Chung Song Kim, Ji Hyung Moon, Sang Youl Lee
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Patent number: 11158668Abstract: Disclosed in an embodiment is a display device comprising a panel substrate and a plurality of semiconductor devices disposed on the panel substrate, wherein the panel substrate includes first and second regions disposed in a first direction, the plurality of semiconductor devices include a plurality of first semiconductor devices disposed in the first region and a plurality of second semiconductor devices disposed in the second region, the wavelength deviation between the first semiconductor device disposed at the edge of the first region and the second semiconductor device disposed at the edge of the second region is within 2 nm, and the wavelength pattern of the plurality of first semiconductor devices in the first direction is the same as the wavelength pattern of the plurality of second semiconductor devices in the first direction.Type: GrantFiled: September 19, 2018Date of Patent: October 26, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Sang Youl Lee, Chung Song Kim, Yong Tae Moon, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
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Publication number: 20210066563Abstract: Disclosed in an embodiment are a semiconductor device and a light-emitting device package including same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged in a matrix shape in the central area of the substrate; passivation layers arranged on upper surfaces and lateral surfaces of the semiconductor structures and on the edge area of the substrate; a plurality of first wiring lines which are arranged at lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include first end parts extending from the central area to the edge area of the substrate; a plurality of second wiring lines which are arranged at the lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include second end parts extending from the central area to the edge area of the substrate; a plurality of first pads penetrating the passivation layer so as to be connected to the plurality of first end parts;Type: ApplicationFiled: March 15, 2019Publication date: March 4, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Sang Youl LEE, Ki Man KANG, Ji Hyung MOON, Yoon Min JO
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Publication number: 20210043577Abstract: Disclosed in an embodiment is a semiconductor device package comprising a substrate and a plurality of semiconductor structures arranged to be spaced apart at the center of the substrate, wherein the semiconductor structure is arranged on the substrate and includes a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer arranged between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and the ratio of the maximum height of the outermost surface of the first conductive type semiconductor layer to the length of the spacing distance between the adjacent semiconductor structures is 1:3 to 1:60.Type: ApplicationFiled: April 5, 2019Publication date: February 11, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Sang Youl LEE, Ki Man KANG, Eun Dk LEE
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Publication number: 20210036187Abstract: Disclosed is a semiconductor device including a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode electrically connected to the second semiconductor layer. The semiconductor structure includes a first upper surface on which the first semiconductor layer is exposed, a second upper surface on which the second semiconductor layer is disposed, an inclined surface connecting the first upper surface and the second upper surface, and a recess formed between the first upper surface and the inclined surface. The recess has a depth less than or equal to 30% of a vertical distance between the first upper surface and the second upper surface.Type: ApplicationFiled: November 2, 2018Publication date: February 4, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO
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Publication number: 20210020807Abstract: In an embodiment, disclosed is a semiconductor device comprising: a semiconductor structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer; and a second electrode which is electrically connected to the second conductive semiconductor layer, wherein an area ratio between an area of an upper surface of the second conductive semiconductor layer and an area of an outer surface of the active layer is 1:0.0005 to 1:0.01.Type: ApplicationFiled: March 22, 2019Publication date: January 21, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Yong Tae MOON, Ji Hyung MOON, Sang Youl LEE
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Patent number: 10892390Abstract: A light-emitting element according to an embodiment comprises: a light-emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer formed between the first and second conductive type semiconductor layers; a reflective layer formed on the second conductive type semiconductor layer; a capping layer formed on the reflective layer to surround the reflective layer; a first electrode electrically connected with the first conductive type semiconductor layer; a first bonding pad electrically connected with the first electrode; and a second bonding pad electrically connected with the second electrode, wherein the light-emitting structure includes a recess extending to a region of the first conductive type semiconductor layer through the second conductive type semiconductor layer and the active layer; the first electrode is formed within the recess and electrically connected with the first conductive type semiconductor layer, and includes aType: GrantFiled: February 3, 2017Date of Patent: January 12, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Jae Won Seo, Sang Youl Lee, Woo Sik Lim
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Publication number: 20200357973Abstract: Disclosed is a semiconductor device package comprising: first insulation layers disposed between first wiring lines and second wiring lines; a plurality of first pads electrically connected to the first wiring lines, respectively; and a plurality of second pads electrically connected to the second wiring lines, respectively, wherein the line having the longest length extended in a first direction, among the plurality of first wiring lines, has an area of a region, which is overlapped with an electrically connected semiconductor structure, that is larger than that of the line having the shortest extended length.Type: ApplicationFiled: January 22, 2019Publication date: November 12, 2020Applicant: LG INNOTEK CO., LTD.Inventors: Ki Man KANG, Do Yub KIM, Sang Youl LEE, Eun Dk LEE
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Patent number: 10833226Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.Type: GrantFiled: October 17, 2019Date of Patent: November 10, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
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Patent number: 10790330Abstract: One embodiment discloses a semiconductor device comprising: a plurality of light-emitting units; a plurality of wavelength conversion layers each disposed on the plurality of light-emitting units; partitions disposed between the plurality of light-emitting units and between the plurality of wavelength conversion layers; a plurality of color filters each disposed on the plurality of wavelength conversion layers; and black matrix disposed between the plurality of color filters.Type: GrantFiled: November 24, 2017Date of Patent: September 29, 2020Assignee: LG INNOTEK CO., LTD.Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
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Publication number: 20200286949Abstract: Disclosed in an embodiment is a display device comprising a panel substrate and a plurality of semiconductor devices disposed on the panel substrate, wherein the panel substrate includes first and second regions disposed in a first direction, the plurality of semiconductor devices include a plurality of first semiconductor devices disposed in the first region and a plurality of second semiconductor devices disposed in the second region, the wavelength deviation between the first semiconductor device disposed at the edge of the first region and the second semiconductor device disposed at the edge of the second region is within 2 nm, and the wavelength pattern of the plurality of first semiconductor devices in the first direction is the same as the wavelength pattern of the plurality of second semiconductor devices in the first direction.Type: ApplicationFiled: September 19, 2018Publication date: September 10, 2020Applicant: LG INNOTEK CO., LTD.Inventors: Sang Youl LEE, Chung Song KIM, Yong Tae MOON, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO