Patents by Inventor Wonki Yoon
Wonki Yoon 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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Patent number: 11946881Abstract: An inspection apparatus includes an inspection signal source configured to irradiate a wafer with an inspection ray having a frequency in a range of 0.1 terahertz (THz) to 10 THz, a curved rail, a probe mount configured to move along the curved rail, and first and second probes coupled to the probe mount, wherein the first probe is configured to detect the inspection ray transmitted through the wafer, and the curved rail has a curved surface convex toward the first and second probes.Type: GrantFiled: April 13, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Martin Priwisch, Jongmin Yoon, Suhwan Park, Junbum Park, Inkeun Baek, Wonki Lee, Ikseon Jeon, Kwangrak Kim
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Patent number: 10910990Abstract: The present invention relates to a solar cell module, includes a plurality of solar cells, a concentration unit having a flat surface to which solar light is incident, arranged at a position spaced apart from the solar cells, and configured to concentrate the incident solar light for output, and a reflection unit configured to reflect light between the solar cells, wherein the concentration unit is provided with a reflective region such that solar light concentrated by the concentration unit and output from is trapped between the concentration unit and the reflection unit, and an air gap is formed between the concentration unit and the reflection unit.Type: GrantFiled: June 23, 2017Date of Patent: February 2, 2021Assignee: LG Electronics Inc.Inventors: Hyunki Kim, Kangseok Moon, Wonki Yoon, Heonmin Lee
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Patent number: 10388820Abstract: A metal organic chemical vapor deposition apparatus for a solar cell includes a deposition unit. The deposition unit includes a susceptor to be mounted with a substrate, and a shower head to prepare a reacting gas by mixing plural kinds of raw gases for deposition and supply the reacting gas to the susceptor.Type: GrantFiled: February 2, 2016Date of Patent: August 20, 2019Assignee: LG ELECTRONICS INC.Inventors: Dongjoo You, Wonki Yoon, Heonmin Lee
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Patent number: 10164299Abstract: A flexible sensor module, includes: a sensing unit formed on a first substrate so as to be exposed to the outside, and configured to measure external environment information; a solar cell disposed on the first substrate together with the sensing unit, and configured to generate a power by receiving light; a wireless communication unit disposed at one side on the first substrate, and configured to transmit the information measured by the sensing unit to an external server; and a chemical cell disposed at another side on the first substrate, charged by receiving the power from the solar cell, and configured to supply the power to the sensing unit and the wireless communication unit, wherein the solar cell includes: a compound layer disposed on the second substrate, and configured to generate the power to be supplied to the sensing unit by receiving light; and a metallic electrode formed on the compound layer.Type: GrantFiled: October 3, 2016Date of Patent: December 25, 2018Assignee: LG ELECTRONICS INC.Inventors: Soohyun Kim, Wonki Yoon, Chaedeok Lee, Heonmin Lee
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Publication number: 20180301575Abstract: The disclosure relates to a compound solar cell and manufacturing method therefor. According to one aspect of the subject matter described in this application, a method for manufacturing a front electrode of a compound solar cell comprises a step of forming a seed metal layer entirely on a front surface of a compound semiconductor layer, a step of forming a first mask layer covering the seed metal layer in the remaining region except a front electrode formation region, a step of forming a second mask layer on the first mask layer in the same pattern as the first mask layer, a step of forming an electrode metal layer on the seed metal layer in the front electrode formation region, a step of removing the seed metal layer under the first mask layer, and a step of forming a front electrode including the seed metal layer and the electrode metal layer positioned on the front electrode formation region by removing the first mask layer and the second mask layer.Type: ApplicationFiled: April 9, 2018Publication date: October 18, 2018Applicant: LG ELECTRONICS INC.Inventors: Soohyun KIM, Gunho KIM, Jinhee PARK, Wonki YOON
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Publication number: 20180195766Abstract: A window blind is disclosed. The window blind includes a slat having a convex curved surface. The window blind also includes a solar cell module having solar cells and being attached to the convex curved surface of the slat. The carrier generating portions of the solar cells are made of a thin film group III-V compound semiconductor that can be bent, so that the solar cells can be attached to the convex curved surface. The length of the curved surface of the solar cell module in the longitudinal direction is at least half the length of the curved surface of the slat in the longitudinal direction. The solar cell module is disposed eccentrically to one side with respect to the transverse centerline of the slat.Type: ApplicationFiled: January 9, 2018Publication date: July 12, 2018Applicant: LG ELECTRONICS INC.Inventors: Hyeunseok CHEUN, Jeongshik KIM, Junoh SHIN, Wonki YOON, Jeongsoo LEE
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Publication number: 20180182912Abstract: A compound semiconductor solar cell that includes: a light absorbing layer; a first electrode; and a second electrode, wherein the light absorbing layer includes; a first semiconductor layer having a first band gap, a second semiconductor layer having a second band gap being larger than the first band gap and forming a hetero junction with the first semiconductor layer, and including a first material and a second material, and wherein in the junction buffer layer, a concentration of the first material on a surface in contact with the second semiconductor layer is larger than the concentration of the first material on a surface in contact with the first semiconductor layer, and a concentration of the second material on the surface in contact with the second semiconductor layer is smaller than the concentration of the second material on the surface in contact with the first semiconductor layer is disclosed.Type: ApplicationFiled: December 22, 2017Publication date: June 28, 2018Inventors: Wonseok CHOI, Jinhee PARK, Soohyun KIM, Wonki YOON, Heonmin LEE
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Publication number: 20180145626Abstract: The present invention relates to a solar cell module, includes a plurality of solar cells, a concentration unit having a flat surface to which solar light is incident, arranged at a position spaced apart from the solar cells, and configured to concentrate the incident solar light for output, and a reflection unit configured to reflect light between the solar cells, wherein the concentration unit is provided with a reflective region such that solar light concentrated by the concentration unit and output from is trapped between the concentration unit and the reflection unit, and an air gap is formed between the concentration unit and the reflection unit.Type: ApplicationFiled: June 23, 2017Publication date: May 24, 2018Inventors: Hyunki KIM, Kangseok MOON, Wonki YOON, Heonmin LEE
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Publication number: 20170214100Abstract: A flexible sensor module, includes: a sensing unit formed on a first substrate so as to be exposed to the outside, and configured to measure external environment information; a solar cell disposed on the first substrate together with the sensing unit, and configured to generate a power by receiving light; a wireless communication unit disposed at one side on the first substrate, and configured to transmit the information measured by the sensing unit to an external server; and a chemical cell disposed at another side on the first substrate, charged by receiving the power from the solar cell, and configured to supply the power to the sensing unit and the wireless communication unit, wherein the solar cell includes: a compound layer disposed on the second substrate, and configured to generate the power to be supplied to the sensing unit by receiving light; and a metallic electrode formed on the compound layer.Type: ApplicationFiled: October 3, 2016Publication date: July 27, 2017Applicant: LG ELECTRONICS INC.Inventors: Soohyun KIM, Wonki YOON, Chaedeok LEE, Heonmin LEE
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Publication number: 20170186899Abstract: A solar cell module is disclosed. The solar cell module includes a plurality of solar cells each including a semiconductor substrate and electrodes formed on a surface of the semiconductor substrate, and a plurality of wirings connected to the electrodes provided in the each solar cell through a conductive adhesive in order to electrically connect a plurality of adjacent solar cells among the plurality of solar cells. Each of the plurality of wirings includes a core bundle formed as a bundle of a plurality of cores and a coating layer coating an outer surface of the core bundle. A plurality of wiring unevenness are formed along a surface of each of the plurality of wirings in an outer surface shape of the core bundle.Type: ApplicationFiled: December 28, 2016Publication date: June 29, 2017Applicant: LG ELECTRONICS INC.Inventors: Jeongshik KIM, Kangseok MOON, Wonki YOON, Taeyoung LEE, Heonmin LEE
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Publication number: 20160225933Abstract: A metal organic chemical vapor deposition apparatus for a solar cell includes a deposition unit. The deposition unit includes a susceptor to be mounted with a substrate, and a shower head to prepare a reacting gas by mixing plural kinds of raw gases for deposition and supply the reacting gas to the susceptor.Type: ApplicationFiled: February 2, 2016Publication date: August 4, 2016Applicant: LG ELECTRONICS INC.Inventors: Dongjoo YOU, Wonki YOON, Heonmin LEE
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Patent number: 9087953Abstract: A solar cell module and a method for manufacturing the same are discussed. The solar cell module includes a substrate including an electricity generation area and an edge area that are divided by an insulating area, and a plurality of solar cells positioned in the electricity generation area. Each of the solar cells includes a transparent electrode on the substrate, a silicon electricity generation layer on the transparent electrode, and a back electrode on the silicon electricity generation layer. The back electrode of one solar cell is electrically connected to the transparent electrode of another solar cell adjacent to the one solar cell. A side of a transparent electrode of an outermost solar cell adjacent to the insulating area is covered by a side portion of a silicon electricity generation layer of the outermost solar cell exposed in the insulating area.Type: GrantFiled: October 6, 2010Date of Patent: July 21, 2015Assignee: LG ELECTRONICS INC.Inventors: Jeonghun Son, Seungjoon Lee, Heonmin Lee, Taeho Moon, Wonki Yoon, Jinhee Park, Sehwon Ahn, Youngjoo Eo
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Publication number: 20130269771Abstract: A solar cell includes a substrate of a first conductive type, an emitter region which is positioned at a first surface of the substrate and has a second conductive type different from the first conductive type, a first surface field region which is positioned at the first surface of the substrate and separated from the emitter region, a first auxiliary electrode positioned directly on the emitter region, a second auxiliary electrode positioned directly on the first surface field region, a first main electrode positioned directly on the first auxiliary electrode, and a second main electrode positioned directly on the second auxiliary electrode. Each of the first and second auxiliary electrodes is a transparent conductive layer formed by doping a transparent conductive oxide layer with a conductive material.Type: ApplicationFiled: April 16, 2013Publication date: October 17, 2013Applicant: LG ELECTRONICS INC.Inventors: Hyeunseok CHEUN, Heonmin LEE, Wonki YOON, Gunho KIM
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Publication number: 20110186122Abstract: A solar cell is discussed. The solar cell includes a substrate, a photoelectric transformation unit including at least one semiconductor layer, a transparent electrode positioned between the substrate and the photoelectric transformation unit, and a buffer layer positioned between the transparent electrode and the substrate. The photoelectric transformation unit includes at least one p-type semiconductor layer, at least one n-type semiconductor layer, and at least one i-type semiconductor layer.Type: ApplicationFiled: January 13, 2011Publication date: August 4, 2011Inventors: Taeho MOON, Youngjoo EO, Heonmin LEE, Wonki YOON, Sehwon AHN
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Publication number: 20110079264Abstract: A solar cell module and a method for manufacturing the same are discussed. The solar cell module includes a substrate including an electricity generation area and an edge area that are divided by an insulating area, and a plurality of solar cells positioned in the electricity generation area. Each of the solar cells includes a transparent electrode on the substrate, a silicon electricity generation layer on the transparent electrode, and a back electrode on the silicon electricity generation layer. The back electrode of one solar cell is electrically connected to the transparent electrode of another solar cell adjacent to the one solar cell. A side of a transparent electrode of an outermost solar cell adjacent to the insulating area is covered by a side portion of a silicon electricity generation layer of the outermost solar cell exposed in the insulating area.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Inventors: Jeonghun Son, Seungjoon Lee, Heonmin Lee, Taeho Moon, Wonki Yoon, Jinhee Park, Sehwon Ahn, Youngjoo Eo