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).

  • Publication number: 20240155286
    Abstract: 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: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Jusang RHIM, MinJin LEE, DaeYong KIM, Eunhee CHOI
  • Publication number: 20240134240
    Abstract: 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: Application
    Filed: July 13, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Semin LEE, Jaejung HAN, Daeyong KIM, Seungju GWON
  • Patent number: 11917364
    Abstract: 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: Grant
    Filed: April 28, 2021
    Date of Patent: February 27, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jusang Rhim, MinJin Lee, DaeYong Kim, Eunhee Choi
  • Patent number: 11549927
    Abstract: 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: Grant
    Filed: January 11, 2019
    Date of Patent: January 10, 2023
    Assignee: 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
  • Patent number: 11380082
    Abstract: 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: Grant
    Filed: October 1, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeyong Lee, Heejoong Kim, Dakyung Lee, Hyundong Chang, Heedae Tak
  • Publication number: 20220190189
    Abstract: 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: Application
    Filed: April 8, 2020
    Publication date: June 16, 2022
    Inventors: Daeyong LEE, Jinsung KIM
  • Publication number: 20210110192
    Abstract: 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: Application
    Filed: October 1, 2020
    Publication date: April 15, 2021
    Inventors: Daeyong LEE, Heejoong KIM, Dakyung LEE, Hyundong CHANG, Heedae TAK
  • Publication number: 20200400634
    Abstract: 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: Application
    Filed: January 11, 2019
    Publication date: December 24, 2020
    Inventors: Daeung JEONG, Donguk KWAK, Minho PARK, Hyuncheol PARK, Sunggun BAE, Ikjoo BYUN, Hyejung SEO, Daeyong LEE, Seunggoo LEE, Taeho KIM
  • Patent number: 10141467
    Abstract: 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: Grant
    Filed: May 28, 2014
    Date of Patent: November 27, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunghyun Hwang, Daeyong Lee, Jinsung Kim
  • Patent number: 10121915
    Abstract: 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: Grant
    Filed: August 26, 2011
    Date of Patent: November 6, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Daeyong Lee, Junyong Ahn, Jihoon Ko
  • Publication number: 20180158968
    Abstract: 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: Application
    Filed: December 4, 2017
    Publication date: June 7, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Daeyong Lee, Junyong Ahn
  • Patent number: 9640707
    Abstract: 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: Grant
    Filed: May 28, 2014
    Date of Patent: May 2, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinsung Kim, Daeyong Lee
  • Publication number: 20170047459
    Abstract: A solar cell and a method for manufacturing the same are disclosed.
    Type: Application
    Filed: August 12, 2016
    Publication date: February 16, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Mann YI, Daeyong LEE, Jeongkyu KIM, Junyong AHN
  • Publication number: 20170012148
    Abstract: 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: Application
    Filed: July 7, 2016
    Publication date: January 12, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Daeyong LEE, Junyong AHN, Mann YI, Jeongkyu KIM
  • Publication number: 20160225935
    Abstract: 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: Application
    Filed: April 12, 2016
    Publication date: August 4, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunjung PARK, Daeyong LEE, Youngho CHOE, Dongho HAN
  • Publication number: 20160204300
    Abstract: 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: Application
    Filed: March 21, 2016
    Publication date: July 14, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Daeyong LEE, Jonghwan KIM, Hyungjin KWON
  • Patent number: 9337359
    Abstract: 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: Grant
    Filed: June 17, 2010
    Date of Patent: May 10, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunjung Park, Daeyong Lee, Youngho Choe, Dongho Han
  • Patent number: 9306084
    Abstract: 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: Grant
    Filed: September 24, 2009
    Date of Patent: April 5, 2016
    Assignee: LG Electronics Inc.
    Inventors: Daeyong Lee, Jonghwan Kim, Hyungjin Kwon
  • Patent number: 9087934
    Abstract: 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: Grant
    Filed: May 15, 2012
    Date of Patent: July 21, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Daeyong Lee, Sangwook Park
  • Publication number: 20150090323
    Abstract: 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: Application
    Filed: September 5, 2014
    Publication date: April 2, 2015
    Inventors: Jeongkyu KIM, Sunghyun HWANG, Daeyong LEE