Patents by Inventor Daeyong Lee
Daeyong 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: 20240155286Abstract: A display apparatus includes a display module including a display panel configured to display an image, a structure at a rear surface of the display module, and a vibration generator at the structure. The structure may include a nonlinear portion covering a periphery of the rear surface of the display module and a sound emission port spaced apart from the rear surface of the display module.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Applicant: LG Display Co., Ltd.Inventors: Jusang RHIM, MinJin LEE, DaeYong KIM, Eunhee CHOI
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Publication number: 20240134240Abstract: A light path control device includes a substrate, a viewing angle control member including light-shielding patterns patterned on the substrate at regular intervals, and a lens assembly that is formed on the viewing angle control member and includes a plurality of lenses, wherein the light-shielding patterns include electrochromic elements to implement a light-shielding mode or a light-transmitting mode, and a display device including the light path control device.Type: ApplicationFiled: July 13, 2023Publication date: April 25, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Semin LEE, Jaejung HAN, Daeyong KIM, Seungju GWON
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Patent number: 11917364Abstract: A display apparatus includes a display module including a display panel configured to display an image, a structure at a rear surface of the display module, and a vibration generator at the structure. The structure may include a nonlinear portion covering a periphery of the rear surface of the display module and a sound emission port spaced apart from the rear surface of the display module.Type: GrantFiled: April 28, 2021Date of Patent: February 27, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Jusang Rhim, MinJin Lee, DaeYong Kim, Eunhee Choi
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Patent number: 11549927Abstract: According to various embodiments of the disclosure, an electronic device comprising a gas sensor, a motion sensor, a processor, wherein the processor is configured to acquire data related to air outside the electronic device by using the gas sensor, identify a movement of the electronic device by using the motion sensor while acquiring the data, correct, in case that the movement of the electronic device satisfies a designated condition, at least partial data in an interval in which a movement satisfying the designated condition continues, among the data; and produce information related to quality of the air, at least based on the data, the at least partial data of which has been corrected. Other embodiments may possible.Type: GrantFiled: January 11, 2019Date of Patent: January 10, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Daeung Jeong, Donguk Kwak, Minho Park, Hyuncheol Park, Sunggun Bae, Ikjoo Byun, Hyejung Seo, Daeyong Lee, Seunggoo Lee, Taeho Kim
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Patent number: 11380082Abstract: An electronic device for optical character recognition (OCR) and method of operation of the electronic device. The electronic device for optical character recognition comprises a memory and a processor electrically connected with the memory. The processor is configured to store, in the memory, at least one content and at least one word position table individually corresponding to the at least one content, obtain an image for at least one character scanned on a printed document by an electronic pen, identify a content corresponding to the image from the at least one content, identify a word position table corresponding to the identified content from the at least one word position table, and obtain resultant information recognized by from the optical character recognition on the image based on the identified word position table and original data of the identified content. Other various embodiments are also possible.Type: GrantFiled: October 1, 2020Date of Patent: July 5, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Daeyong Lee, Heejoong Kim, Dakyung Lee, Hyundong Chang, Heedae Tak
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Publication number: 20220190189Abstract: A manufacturing method of an embodiment according to the present invention may comprise the steps of: locating a solar cell, including a semiconductor substrate and a semiconductor layer which has an absorption coefficient higher than that of the semiconductor substrate and is formed on at least one side of the semiconductor substrate, such that the semiconductor layer is oriented toward a laser; emitting a laser beam toward the semiconductor layer to form a groove on the solar cell; and dividing the solar cell along the groove into a plurality of pieces.Type: ApplicationFiled: April 8, 2020Publication date: June 16, 2022Inventors: Daeyong LEE, Jinsung KIM
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Publication number: 20210110192Abstract: An electronic device for optical character recognition (OCR) and method of operation of the electronic device. The electronic device for optical character recognition comprises a memory and a processor electrically connected with the memory. The processor is configured to store, in the memory, at least one content and at least one word position table individually corresponding to the at least one content, obtain an image for at least one character scanned on a printed document by an electronic pen, identify a content corresponding to the image from the at least one content, identify a word position table corresponding to the identified content from the at least one word position table, and obtain resultant information recognized by from the optical character recognition on the image based on the identified word position table and original data of the identified content. Other various embodiments are also possible.Type: ApplicationFiled: October 1, 2020Publication date: April 15, 2021Inventors: Daeyong LEE, Heejoong KIM, Dakyung LEE, Hyundong CHANG, Heedae TAK
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Publication number: 20200400634Abstract: According to various embodiments of the disclosure, an electronic device comprising a gas sensor, a motion sensor, a processor, wherein the processor is configured to acquire data related to air outside the electronic device by using the gas sensor, identify a movement of the electronic device by using the motion sensor while acquiring the data, correct, in case that the movement of the electronic device satisfies a designated condition, at least partial data in an interval in which a movement satisfying the designated condition continues, among the data; and produce information related to quality of the air, at least based on the data, the at least partial data of which has been corrected. Other embodiments may possible.Type: ApplicationFiled: January 11, 2019Publication date: December 24, 2020Inventors: Daeung JEONG, Donguk KWAK, Minho PARK, Hyuncheol PARK, Sunggun BAE, Ikjoo BYUN, Hyejung SEO, Daeyong LEE, Seunggoo LEE, Taeho KIM
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Patent number: 10141467Abstract: Discussed is a solar cell including a semiconductor substrate, a first conductive type region formed on a surface of the semiconductor substrate, a second conductive type region formed on the other surface of the semiconductor substrate, the second conductive type region being spaced from an edge of the semiconductor substrate and having a conductive type different from that of the first conductive type region, an isolation portion formed at a perimeter of the second conductive type region on the other surface of the semiconductor substrate, a first electrode connected to the first conductive type region, and a second electrode connected to the second conductive type region, wherein the second conductive type region has a boundary portion in a part adjacent to the isolation portion, and in which a doping concentration or a junction depth varies over a width of the boundary portion.Type: GrantFiled: May 28, 2014Date of Patent: November 27, 2018Assignee: LG ELECTRONICS INC.Inventors: Sunghyun Hwang, Daeyong Lee, Jinsung Kim
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Patent number: 10121915Abstract: A method for manufacturing a solar cell includes forming a passivation layer on a rear surface of a substrate of a first conductivity type; forming connecting electrodes having a plurality of electrical contacts that are in contact with the rear surface of the substrate by using a first paste for a first temperature firing on portions of the passivation layer; and forming a rear electrode layer by using a second paste for a second temperature firing on the passivation layer and the plurality of electrical contacts, wherein a temperature of the second temperature firing is lower than a temperature of the first temperature firing.Type: GrantFiled: August 26, 2011Date of Patent: November 6, 2018Assignee: LG ELECTRONICS INC.Inventors: Daeyong Lee, Junyong Ahn, Jihoon Ko
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Publication number: 20180158968Abstract: A solar cell and a method of manufacturing the same are discussed. The method of manufacturing the solar cell includes forming a dopant layer on one surface of a semiconductor substrate, selectively etching at least a portion of the dopant layer positioned in a first area of the semiconductor substrate, performing a thermal processing operation on the semiconductor substrate to form a conductive region, removing the dopant layer remaining in the one surface of the semiconductor substrate, forming first electrodes on a second area of the semiconductor substrate, and forming second electrodes on a surface opposite the one surface of the semiconductor substrate. In the thermal processing operation, a lightly doped region is formed in the first area, and a heavily doped region is formed in the second area.Type: ApplicationFiled: December 4, 2017Publication date: June 7, 2018Applicant: LG ELECTRONICS INC.Inventors: Daeyong Lee, Junyong Ahn
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Patent number: 9640707Abstract: A method of manufacturing a solar cell is disclosed. The method includes forming a doping region including first and second portions having different doping concentrations by ion-implanting a dopant into a semiconductor substrate and forming an electrode connected to the doping region. In the forming of the doping region, the first and second portions are simultaneously formed by the same process using a mask that is disposed at a distance from the semiconductor substrate.Type: GrantFiled: May 28, 2014Date of Patent: May 2, 2017Assignee: LG ELECTRONICS INC.Inventors: Jinsung Kim, Daeyong Lee
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Publication number: 20170047459Abstract: A solar cell and a method for manufacturing the same are disclosed.Type: ApplicationFiled: August 12, 2016Publication date: February 16, 2017Applicant: LG ELECTRONICS INC.Inventors: Mann YI, Daeyong LEE, Jeongkyu KIM, Junyong AHN
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Publication number: 20170012148Abstract: Disclosed is method of manufacturing a solar cell including forming a barrier film over at least one surface of a semiconductor substrate or a semiconductor layer, forming a first conductive area on the at least one surface of the semiconductor substrate or the semiconductor layer via ion implantation of a first conductive dopant through the barrier film, and removing the barrier film.Type: ApplicationFiled: July 7, 2016Publication date: January 12, 2017Applicant: LG ELECTRONICS INC.Inventors: Daeyong LEE, Junyong AHN, Mann YI, Jeongkyu KIM
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Publication number: 20160225935Abstract: A method for manufacturing a solar cell, the method comprising: forming an emitter region that forms a p-n junction with a semiconductor substrate of a first conductive type; forming a passivation layer on the semiconductor substrate; forming a dopant layer containing impurities of the first conductive type on the passivation layer; and locally forming a back surface field region at the semiconductor substrate by irradiating laser beams onto the semiconductor substrate to diffuse the impurities of the first conductive type into the semiconductor substrate.Type: ApplicationFiled: April 12, 2016Publication date: August 4, 2016Applicant: LG ELECTRONICS INC.Inventors: Hyunjung PARK, Daeyong LEE, Youngho CHOE, Dongho HAN
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Publication number: 20160204300Abstract: A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type on the substrate; a first electrode electrically connected to the emitter layer; a passivation layer on the substrate; a second electrode conductive layer on the passivation layer, the second electrode conductive layer including at least one second electrode electrically connected to the substrate through the passivation layer; and a second electrode current collector electrically connected to the second electrode conductive layer.Type: ApplicationFiled: March 21, 2016Publication date: July 14, 2016Applicant: LG ELECTRONICS INC.Inventors: Daeyong LEE, Jonghwan KIM, Hyungjin KWON
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Patent number: 9337359Abstract: A method for manufacturing a solar cell may include forming an emitter region that forms a p-n junction with a semiconductor substrate of a first conductive type, forming a passivation layer on the semiconductor substrate, forming a dopant layer containing impurities of the first conductive type on the passivation layer, and locally forming a back surface field region at the semiconductor substrate by irradiating laser beams onto the semiconductor substrate to diffuse the impurities into the semiconductor substrate.Type: GrantFiled: June 17, 2010Date of Patent: May 10, 2016Assignee: LG ELECTRONICS INC.Inventors: Hyunjung Park, Daeyong Lee, Youngho Choe, Dongho Han
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Patent number: 9306084Abstract: A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type on the substrate; a first electrode electrically connected to the emitter layer; a passivation layer on the substrate; a second electrode conductive layer on the passivation layer, the second electrode conductive layer including at least one second electrode electrically connected to the substrate through the passivation layer; and a second electrode current collector electrically connected to the second electrode conductive layer.Type: GrantFiled: September 24, 2009Date of Patent: April 5, 2016Assignee: LG Electronics Inc.Inventors: Daeyong Lee, Jonghwan Kim, Hyungjin Kwon
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Patent number: 9087934Abstract: A solar cell and a method for manufacturing the same are discussed. The solar cell includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type positioned at the substrate, a first electrode which is positioned on the substrate and is connected to the emitter region, at least one second electrode which is positioned on the substrate and is connected to the substrate, and an aluminum oxide layer positioned on a front surface and a back surface of the substrate excluding areas of the substrate on which the first electrode and the at least one second electrode are formed.Type: GrantFiled: May 15, 2012Date of Patent: July 21, 2015Assignee: LG ELECTRONICS INC.Inventors: Daeyong Lee, Sangwook Park
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Publication number: 20150090323Abstract: Discussed is a solar cell including a semiconductor substrate comprising a base region, an emitter region having a conductive type opposite to that of the base region, and a back surface field region having the same conductive type as the base region and a higher doping concentration than the base region, and a first electrode and a second electrode respectively connected to the emitter region and the back surface field region, wherein the base region has a specific resistance of 0.3 ?cm to 2.5 ?cm.Type: ApplicationFiled: September 5, 2014Publication date: April 2, 2015Inventors: Jeongkyu KIM, Sunghyun HWANG, Daeyong LEE