Patents by Inventor Junghak Kim

Junghak Kim 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).

  • Patent number: 12099675
    Abstract: An electronic device includes: a display layer configured to display an image; a display driver configured to drive the display layer; a sensor layer on the display layer; and a sensor driver configured to drive the sensor layer, and wherein the sensor layer is configured to output a first uplink signal generated with a first reference voltage in a first mode, and to output a second uplink signal generated with a second reference voltage greater than the first reference voltage in a second mode different from the first mode.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: September 24, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jeongheon Lee, Hansu Cho
  • Publication number: 20240250101
    Abstract: According to one aspect of the invention, a detection module for a display device, the detection module includes: a substrate; a detector disposed on the substrate to detect an external signal; a sensor driving circuit disposed on the substrate to drive the detector; and a light shielding layer to block an external light from entering the sensor driving circuit and to receive a light blocking voltage.
    Type: Application
    Filed: February 7, 2024
    Publication date: July 25, 2024
    Inventors: Junghak KIM, Youngsik KIM, Kyowon KU, Jaehyung JO
  • Patent number: 12032756
    Abstract: An input device includes: a housing; a tip electrode protruding outside of the housing and configured to transmit a downlink signal to the outside; a reception electrode inside the housing and configured to receive an uplink signal from the outside; and a communication circuit electrically connected to the tip electrode and the reception electrode and configured to receive the uplink signal from the reception electrode or to transmit the downlink signal to the tip electrode, wherein a surface of the reception electrode has a concave-convex structure.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: July 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghak Kim, Kyowon Ku, Youngsik Kim, Hansu Cho
  • Patent number: 12006308
    Abstract: The present disclosure relates to a polymer compound having a specific structure, including an acrylic resin having a functional group capable of mutual hydrogen bonding with an acrylic resin having imidazole, a resin composition for bonding semiconductors including a thermoplastic resin; a thermosetting resin; a curing agent; and the polymer compound having a specific structure, and an adhesive film for semiconductor produced using the same.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 11, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Youngsam Kim, Junghak Kim, Ju Hyeon Kim, Kwang Joo Lee
  • Patent number: 11993731
    Abstract: The present disclosure relates to an adhesive composition for semiconductor circuit connection and an adhesive film containing the same. The adhesive composition for semiconductor circuit connection according to the present disclosure can exhibit excellent adhesive strength during thermal compression bonding of a semiconductor circuit, and minimize a warpage of wafer caused by stacking of semiconductor circuits.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: May 28, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Junghak Kim, You Jin Kyung, Kwang Joo Lee, Minsu Jeong, Ju Hyeon Kim, Youngsam Kim
  • Patent number: 11941203
    Abstract: An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongheon Lee, Soongyu Lee, Kyowon Ku, Junghak Kim, Hansu Cho
  • Patent number: 11923390
    Abstract: A detection module for a display device includes: a substrate; a detector disposed on the substrate to detect an external signal; a sensor driving circuit disposed on the substrate to drive the detector; and a light shielding layer to block an external light from entering the sensor driving circuit and to receive a light blocking voltage.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jaehyung Jo
  • Patent number: 11834415
    Abstract: The present disclosure relates to an adhesive resin composition for bonding semiconductors, including: a thermoplastic resin; a thermosetting resin; a curing agent; and a compound having a specific structure, and an adhesive film for semiconductors including the same.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: December 5, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Ju Hyeon Kim, Junghak Kim, Seunghee Nam, Kwang Joo Lee
  • Publication number: 20230214052
    Abstract: An electronic device includes: a display layer to display an image; a sensor layer on the display layer; and a sensor driver electrically connected with the sensor layer, and to be selectively driven in a first mode for detecting a passive input, or a second mode for detecting an active input. In the second mode, the sensor driver is to: receive a plurality of sensing signals from the sensor layer; divide the plurality of sensing signals into a valid signal and a noise signal; calculate intermediate coordinates based on the valid signal; and correct the intermediate coordinates based on the noise signal to calculate input coordinates.
    Type: Application
    Filed: October 12, 2022
    Publication date: July 6, 2023
    Inventors: JEONGHEON LEE, SOONGYU LEE, KYOWON KU, JUNGHAK KIM, HANSU CHO
  • Publication number: 20230214030
    Abstract: An input device includes: a housing; a tip electrode protruding outside of the housing and configured to transmit a downlink signal to the outside; a reception electrode inside the housing and configured to receive an uplink signal from the outside; and a communication circuit electrically connected to the tip electrode and the reception electrode and configured to receive the uplink signal from the reception electrode or to transmit the downlink signal to the tip electrode, wherein a surface of the reception electrode has a concave-convex structure.
    Type: Application
    Filed: December 19, 2022
    Publication date: July 6, 2023
    Inventors: JUNGHAK KIM, KYOWON KU, YOUNGSIK KIM, HANSU CHO
  • Publication number: 20230185398
    Abstract: An electronic device includes: a display layer configured to display an image; a display driver configured to drive the display layer; a sensor layer on the display layer; and a sensor driver configured to drive the sensor layer, and wherein the sensor layer is configured to output a first uplink signal generated with a first reference voltage in a first mode, and to output a second uplink signal generated with a second reference voltage greater than the first reference voltage in a second mode different from the first mode.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 15, 2023
    Inventors: JUNGHAK KIM, YOUNGSIK KIM, KYOWON KU, JEONGHEON LEE, HANSU CHO
  • Patent number: 11625118
    Abstract: An electronic device, includes: a display panel; and an input sensor on the display panel, wherein the input sensor includes a plurality of sensing electrodes, each having a first region and a second region that surrounds the first region, each of the plurality of sensing electrodes including a pen electrode configured to detect an input tool and a touch electrode configured to detect a touch input, wherein the pen electrode is at the first region, and wherein the touch electrode is at the second region.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: April 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jeongheon Lee
  • Patent number: 11538266
    Abstract: A display device includes a display panel, a fingerprint sensing part, and a cover panel. The fingerprint sensing part is covered by the display panel. The cover panel is covered by the display panel and includes a metal layer. The metal layer includes a first metal layer and a second metal layer. The first metal layer surrounds the fingerprint sensing part in a plan view. The second metal layer extends from the first metal layer and is disposed between the display panel and the fingerprint sensing part.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: December 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyowon Ku, Junghak Kim, Youngsik Kim, Eunhye Kim, Jaehyung Jo
  • Patent number: 11410456
    Abstract: A method of driving a display device including driving a display panel including a sensing area defined above a fingerprint sensor in an initial mode, driving the sensing area in a first color pattern and a second color pattern having a color different from a color of the first color pattern, sensing a fingerprint through the fingerprint sensor that receives a light reflected by the fingerprint when the fingerprint is adjacent to the sensing area, determining whether the sensed fingerprint is a duplicate fingerprint, and performing a user authentication mode when the sensed fingerprint is a normal fingerprint. The first color pattern has a light transmittance higher than a light transmittance of the second color pattern.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: August 9, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soongyu Lee, Kyowon Ku, Youngsik Kim, Junghak Kim, Jinwoo Kim
  • Publication number: 20220147212
    Abstract: An electronic device, includes: a display panel; and an input sensor on the display panel, wherein the input sensor includes a plurality of sensing electrodes, each having a first region and a second region that surrounds the first region, each of the plurality of sensing electrodes including a pen electrode configured to detect an input tool and a touch electrode configured to detect a touch input, wherein the pen electrode is at the first region, and wherein the touch electrode is at the second region.
    Type: Application
    Filed: August 11, 2021
    Publication date: May 12, 2022
    Inventors: JUNGHAK KIM, YOUNGSIK KIM, KYOWON KU, JEONGHEON LEE
  • Patent number: 11244141
    Abstract: A display device, including: a display unit including a light emitting element that emits light, and a biometric information sensing unit disposed below the display unit, is provided, wherein the biometric information sensing unit receives light reflected by a biometric input, wherein the biometric information sensing unit includes: an optical system including a transmission part that passes the reflected light and an absorption part around the transmission part, wherein the absorption part absorbs the reflected light and pressure; a light detection sensor disposed below the transmission part of the optical system, wherein the light detection sensor receives the reflected light that passes through the transmission part; and a pressure detection sensor disposed below the absorption part of the optical system, wherein the pressure detection sensor detects the pressure that is transferred from the absorption part.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyowon Ku, Junghak Kim, Youngsik Kim, Jinwoo Kim, Soongyu Lee
  • Publication number: 20210320137
    Abstract: A detection module for a display device includes: a substrate; a detector disposed on the substrate to detect an external signal; a sensor driving circuit disposed on the substrate to drive the detector; and a light shielding layer to block an external light from entering the sensor driving circuit and to receive a light blocking voltage.
    Type: Application
    Filed: January 12, 2021
    Publication date: October 14, 2021
    Inventors: Junghak Kim, Youngsik Kim, Kyowon Ku, Jaehyung Jo
  • Publication number: 20210292618
    Abstract: The present disclosure relates to a resin composition for semiconductor adhesion comprising: a thermoplastic resin; a thermosetting resin; a curing agent; and a curing catalyst compound having a specific structure, and an adhesive film for semiconductor, a method for manufacturing a semiconductor package, and a semiconductor package using the same.
    Type: Application
    Filed: May 8, 2020
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Youngsam KIM, You Jin KYUNG, Kwang Joo LEE, Minsu JEONG, Junghak KIM, Ju Hyeon KIM
  • Publication number: 20210292616
    Abstract: The present disclosure relates to an adhesive composition for semiconductor circuit connection and an adhesive film containing the same. The adhesive composition for semiconductor circuit connection according to the present disclosure can exhibit excellent adhesive strength during thermal compression bonding of a semiconductor circuit, and minimize a warpage of wafer caused by stacking of semiconductor circuits.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 23, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Junghak KIM, You Jin KYUNG, Kwang Joo LEE, Minsu JEONG, Ju Hyeon KIM, Youngsam KIM
  • Publication number: 20210217358
    Abstract: A method of driving a display device including driving a display panel including a sensing area defined above a fingerprint sensor in an initial mode, driving the sensing area in a first color pattern and a second color pattern having a color different from a color of the first color pattern, sensing a fingerprint through the fingerprint sensor that receives a light reflected by the fingerprint when the fingerprint is adjacent to the sensing area, determining whether the sensed fingerprint is a duplicate fingerprint, and performing a user authentication mode when the sensed fingerprint is a normal fingerprint. The first color pattern has a light transmittance higher than a light transmittance of the second color pattern.
    Type: Application
    Filed: November 4, 2020
    Publication date: July 15, 2021
    Inventors: Soongyu LEE, Kyowon KU, Youngsik KIM, Junghak KIM, Jinwoo KIM