Patents by Inventor Junyong Ahn
Junyong Ahn 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: 20240030364Abstract: A solar cell includes a tunneling layer located on one side of a semiconductor substrate, a first conductive region located on the tunneling layer, a first insulating film located on and passivating the first conductive region, a second conductive region located at the other side of the semiconductor substrate and composed of a doping region, a first electrode connected to the first conductive region, and a second electrode connected to the second conductive region. The first conductive region includes a first part connected to the first electrode and a second part other than the first part, and a thickness of the first part is different from that of the second part.Type: ApplicationFiled: October 2, 2023Publication date: January 25, 2024Inventors: Junyong AHN, Youngbae JUNG, Ilhyoung JUNG, Sungjin KIM, Oksik KIM
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Patent number: 11855234Abstract: A method of manufacturing a solar cell, includes forming a rounded uneven member having a rounded end portion at a second surface of a semiconductor substrate having a first surface and the second surface opposite to each other, forming conductive regions comprising forming a first conductive region at the first surface of the semiconductor substrate and forming a second conductive region on the second surface of the semiconductor substrate, wherein the second conductive region comprises a semiconductor layer different and separated from the semiconductor substrate and forming electrodes comprising forming a first electrode electrically connected to the first conductive region and forming a second electrode electrically connected to the second conductive region.Type: GrantFiled: July 20, 2020Date of Patent: December 26, 2023Assignee: SHANGRAO JINKO SOLAR TECHNOLOGY DEVELOPMENT CO LTDInventors: Juhwa Cheong, Yundeok Yoon, Jaesung Kim, Junyong Ahn
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Publication number: 20230207712Abstract: A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.Type: ApplicationFiled: February 13, 2023Publication date: June 29, 2023Applicant: Shangrao Jinko solar Technology Development Co., LTDInventors: Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook Choi, Wonjae Chang, Jaesung Kim
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Patent number: 11616153Abstract: A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.Type: GrantFiled: January 17, 2019Date of Patent: March 28, 2023Assignee: Shangrao Jinko solar Technology Development Co., LTDInventors: Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook Choi, Wonjae Chang, Jaesung Kim
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Publication number: 20230078624Abstract: Disclosed is a solar cell including a semiconductor substrate, and a dopant layer disposed over one surface of the semiconductor substrate and having a crystalline structure different from that of the semiconductor substrate, the dopant layer including a dopant. The dopant layer includes a plurality of semiconductor layers stacked one above another in a thickness direction thereof, and an interface layer interposed therebetween. The interface layer is an oxide layer having a higher concentration of oxygen than that in each of the plurality of semiconductor layers.Type: ApplicationFiled: October 3, 2022Publication date: March 16, 2023Inventors: Wonjae CHANG, Sungjin KIM, Juhwa CHEONG, Junyong AHN
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Patent number: 11581442Abstract: Discussed is a solar cell including a first conductive region positioned at a front surface of a semiconductor substrate and containing impurities of a first conductivity type or a second conductivity type, a second conductive region positioned at a back surface of the semiconductor substrate and containing impurities of a conductivity type opposite a conductivity type of impurities of the first conductive region, a first electrode positioned on the front surface of the semiconductor substrate and connected to the first conductive region, and a second electrode positioned on the back surface of the semiconductor substrate and connected to the second conductive region. Each of the first and second electrodes includes metal particles and a glass frit.Type: GrantFiled: November 18, 2021Date of Patent: February 14, 2023Assignee: SHANGRAO JINKO SOLAR TECHNOLOGY DEVELOPMENT CO LTDInventors: Haejong Cho, Donghae Oh, Juhwa Cheong, Junyong Ahn
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Patent number: 11579496Abstract: A display device may include a display panel having a display area and a non-display area located in a first direction from the display area, a printed circuit board located in the first direction from the non-display area and configured to generate a signal, a driving film connected to the non-display area of the display panel and configured to drive the display panel in response to the signal, and a connecting film having a first end connected to the non-display area of the display panel and a second end connected to the printed circuit board. The connecting film electrically connects the printed circuit board and the driving film.Type: GrantFiled: January 7, 2019Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sunghyun Kim, Namsoo Kang, Soonkyeong Kwon, Yoonsup Kim, Sewon Min, Kihyun Sung, JunYong Ahn
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Patent number: 11462654Abstract: Disclosed is a solar cell including a semiconductor substrate, and a dopant layer disposed over one surface of the semiconductor substrate and having a crystalline structure different from that of the semiconductor substrate, the dopant layer including a dopant. The dopant layer includes a plurality of semiconductor layers stacked one above another in a thickness direction thereof, and an interface layer interposed therebetween. The interface layer is an oxide layer having a higher concentration of oxygen than that in each of the plurality of semiconductor layers.Type: GrantFiled: July 8, 2019Date of Patent: October 4, 2022Assignee: LG ELECTRONICS INC.Inventors: Wonjae Chang, Sungjin Kim, Juhwa Cheong, Junyong Ahn
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Publication number: 20220077331Abstract: Discussed is a solar cell including a first conductive region positioned at a front surface of a semiconductor substrate and containing impurities of a first conductivity type or a second conductivity type, a second conductive region positioned at a back surface of the semiconductor substrate and containing impurities of a conductivity type opposite a conductivity type of impurities of the first conductive region, a first electrode positioned on the front surface of the semiconductor substrate and connected to the first conductive region, and a second electrode positioned on the back surface of the semiconductor substrate and connected to the second conductive region. Each of the first and second electrodes includes metal particles and a glass frit.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Applicant: LG ELECTRONICS INC.Inventors: Haejong CHO, Donghae OH, Juhwa CHEONG, Junyong AHN
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Patent number: 11239379Abstract: A solar cell can include a silicon substrate; a tunnel layer disposed on a first surface of the silicon substrate, the tunnel layer including a dielectric material; a polycrystalline silicon layer disposed on the tunnel layer; a dielectric layer disposed on the polycrystalline silicon layer; and an electrode penetrating through the dielectric layer and directly contacting with the polycrystalline silicon layer, wherein the polycrystalline silicon layer includes a metal crystal region positioned at a region where the polycrystalline silicon layer contacts the electrode, and wherein the metal crystal region includes a plurality of metal crystals, the plurality of metal crystals including a metal material same as a metal material included in the electrode.Type: GrantFiled: June 28, 2019Date of Patent: February 1, 2022Assignee: LG ELECTRONICS INC.Inventors: Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook Choi, Wonjae Chang, Jaesung Kim
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Patent number: 11211504Abstract: A solar cell is disclosed. The solar cell includes a first conductive region positioned at a front surface of a semiconductor substrate and containing impurities of a first conductivity type or a second conductivity type, a second conductive region positioned at a back surface of the semiconductor substrate and containing impurities of a conductivity type opposite a conductivity type of impurities of the first conductive region, a first electrode positioned on the front surface of the semiconductor substrate and connected to the first conductive region, and a second electrode positioned on the back surface of the semiconductor substrate and connected to the second conductive region. Each of the first and second electrodes includes metal particles and a glass frit.Type: GrantFiled: February 6, 2018Date of Patent: December 28, 2021Assignee: LG ELECTRONICS INC.Inventors: Haejong Cho, Donghae Oh, Juhwa Cheong, Junyong Ahn
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Patent number: 11133426Abstract: A method for manufacturing a solar cell can include forming a tunneling layer on first and second surfaces of a semiconductor substrate, the tunneling layer including a dielectric material; forming a polycrystalline silicon layer on the tunnel layer at the first surface and on the second surface of the semiconductor substrate; removing portions of the tunnel layer and the polycrystalline silicon layer formed at the first surface of the semiconductor substrate; forming a doping region at the first surface of the semiconductor substrate by diffusing a dopant; forming a passivation layer on the polycrystalline silicon layer at the second surface of the semiconductor substrate; and forming a second electrode connected to the polycrystalline silicon layer by penetrating through the passivation layer.Type: GrantFiled: June 28, 2019Date of Patent: September 28, 2021Assignee: LG ELECTRONICS INC.Inventors: Jungmin Ha, Sungjin Kim, Juhwa Cheong, Junyong Ahn, Hyungwook Choi, Wonjae Chang, Jaesung Kim
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Patent number: 10997885Abstract: A display device includes a display panel including a plurality of pixels, a timing controller that generates a first reference clock signal having a first pulse and a second reference clock signal having a second pulse, a signal generator that generates a vertical start signal of which an activation period starts in response to the first pulse and the second pulse and generates a gate clock signal and an inverted gate clock signal based on the first pulse and the second pulse, and a gate driver that generates a gate signal based on the vertical start signal, the gate clock signal, and the inverted gate clock signal and provides the gate signal to the pixels.Type: GrantFiled: February 8, 2019Date of Patent: May 4, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yoonsup Kim, Namsoo Kang, Soonkyeong Kwon, Sunghyun Kim, Sewon Min, Kihyun Sung, JunYong Ahn
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Patent number: 10971646Abstract: Provided is a Chemical vapor deposition (CVD) equipment including a chamber having an inner space, a plurality of silicon wafers disposed in the inner space of the chamber in an upright position; and a plurality of shower nozzles configured to inject a mixed gas composed of a silicon deposition gas and an impurity gas toward each side edge of the plurality of wafers. The plurality of shower nozzles can be disposed at both sides of the plurality of the plurality of silicon wafers.Type: GrantFiled: July 23, 2019Date of Patent: April 6, 2021Assignee: LG ELECTRONICS INC.Inventors: Wonjae Chang, Junyong Ahn, Hyunho Lee
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Patent number: 10964827Abstract: A solar cell includes a first conductive type substrate; an emitter layer of a second conductive type opposite the first conductive type, the emitter layer and the substrate forming a p-n junction; an anti-reflection layer positioned on the emitter layer; a plurality of first electrodes passing through the anti-reflection layer and being electrically connected to the emitter layer, at least one of the plurality of first electrodes including: a first electrode layer and a plurality of first electrode auxiliaries separated from the first electrode layer and positioned around the first electrode layer; and a second electrode layer positioned on the first electrode layer and on the plurality of first electrode auxiliaries; and a second electrode electrically connected to the substrate.Type: GrantFiled: February 23, 2018Date of Patent: March 30, 2021Assignee: LG ELECTRONICS INC.Inventors: Junyong Ahn, Younghyun Lee, Jinhyung Lee
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Display device including timing controller and source driving circuit and method of driving the same
Patent number: 10930199Abstract: A display device includes a display panel including a plurality of pixels, a timing controller which receives an image signal and a control signal and outputs transmission data, and a plurality of source driving circuits, each providing a data signal to a corresponding pixel among the plurality of pixels in response to the transmission data. Each of the source driving circuits applies a state information signal corresponding to an operation state to the timing controller, and the timing controller determines the operation state of the source driving circuits based on the state information signal, compresses the image signal when a source driving circuit of the source driving circuits is in an abnormal state to generate the transmission data, and applies the transmission data to a source driving circuit of the source driving circuits in a normal state.Type: GrantFiled: April 17, 2019Date of Patent: February 23, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Junyong Ahn -
Patent number: 10832624Abstract: A driving device of a display panel includes a timing controller which converts a first image data to a second image data, and generates control signals that control a driving timing of the second image data, a gamma data provider which determines a driving frequency of the second image data based on the number of a counting signal output during an active period and a blank period of a vertical synchronized signal, and outputs one of gamma data sets based on the driving frequency, a data driver which generates a data signal corresponding to the second image data based on the one of the gamma data set, and provides the data signal to a data line of a display panel based on the control signals, and a gate driver which provides the gate signal to a gate line of the display panel based on the control signals.Type: GrantFiled: December 17, 2018Date of Patent: November 10, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Junyong Ahn, Namsoo Kang, Soonkyeong Kwon, Sunghyun Kim, Yoonsup Kim, Sewon Min, Kihyun Sung
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Publication number: 20200350445Abstract: A method of manufacturing a solar cell, includes forming a rounded uneven member having a rounded end portion at a second surface of a semiconductor substrate having a first surface and the second surface opposite to each other, forming conductive regions comprising forming a first conductive region at the first surface of the semiconductor substrate and forming a second conductive region on the second surface of the semiconductor substrate, wherein the second conductive region comprises a semiconductor layer different and separated from the semiconductor substrate and forming electrodes comprising forming a first electrode electrically connected to the first conductive region and forming a second electrode electrically connected to the second conductive region.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Applicant: LG ELECTRONICS INC.Inventors: Juhwa CHEONG, Yundeok YOON, Jaesung KIM, Junyong AHN
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Patent number: 10566487Abstract: Disclosed is a solar cell including a semiconductor substrate, and a dopant layer disposed over one surface of the semiconductor substrate and having a crystalline structure different from that of the semiconductor substrate, the dopant layer including a dopant. The dopant layer includes a plurality of semiconductor layers stacked one above another in a thickness direction thereof, and an interface layer interposed therebetween. The interface layer is an oxide layer having a higher concentration of oxygen than that in each of the plurality of semiconductor layers.Type: GrantFiled: June 29, 2016Date of Patent: February 18, 2020Assignee: LG ELECTRONICS INC.Inventors: Wonjae Chang, Sungjin Kim, Juhwa Cheong, Junyong Ahn
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Patent number: 10561022Abstract: A display device includes a display panel having a display region and a pad region on a side of the display region, a first printed circuit board spaced apart from the pad region and includes a first driving controller configured to generate a plurality of signals, a second printed circuit board adjacent to the first printed circuit board, a first driving film connected to the first printed circuit board, a second driving film connected to the second printed circuit board, a first signal transmission film connected to the first printed circuit board and including first signal transmission wirings, and a second signal transmission film connected to the second printed circuit board and the first signal transmission film and including second signal transmission wirings.Type: GrantFiled: January 11, 2019Date of Patent: February 11, 2020Assignee: Samsung Display Co., Ltd.Inventors: Soonkyeong Kwon, Namsoo Kang, Sunghyun Kim, Yoonsup Kim, Sewon Min, Kihyun Sung, Junyong Ahn