Patents by Inventor Kwang-Yong Choi

Kwang-Yong Choi 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: 11944661
    Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 2, 2024
    Assignee: JEONNAM BIOINDUSTRY FOUNDATION
    Inventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
  • Publication number: 20240074736
    Abstract: An ultrasonic image providing method of the present disclosure includes: receiving ultrasonic images; measuring a plurality of similarities for a plurality of measurement items for at least one of the ultrasonic images; comparing the plurality of similarities with corresponding default thresholds, respectively; when none of the plurality of similarities is greater than the corresponding default threshold, selecting a measurement item maintaining the greatest similarity among the plurality of similarities for a reference time; and providing an ultrasonic image for the selected measurement item as an ultrasonic image.
    Type: Application
    Filed: August 19, 2021
    Publication date: March 7, 2024
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Ja Young Kwon, Ye Jin Park, Jin Yong Lee, Sung Wook Park, Jin Ki Park, Dong Eun Lee, Ji Hun Lee, Kwang Yeon Choi
  • Patent number: 11925084
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: March 5, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Publication number: 20230120823
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 11557642
    Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: January 17, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Publication number: 20220190081
    Abstract: Discussed is a display device including a gate electrode, a gate insulating film disposed on the gate electrode, a semiconductor layer disposed on the gate insulating film, an insulating layer disposed on the semiconductor layer, a first electrode disposed on the insulating layer, a light-emitting layer disposed on the first electrode, and a second electrode disposed on the light-emitting layer.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 16, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Kwang Yong CHOI, In Hyo HAN, Dong Yoon LEE, Hyun Dong KIM
  • Publication number: 20210202659
    Abstract: The present disclosure relates to a display panel and a repair method thereof. The display panel includes a plurality of pixel circuits in which an emission region, through which light from a light-emitting element is emitted, is defined, a power line configured to apply a pixel driving voltage to the pixel circuits, a reference voltage line to which a reference voltage lower than the pixel driving voltage is applied, and a branch line connected to the reference voltage line to apply the reference voltage to one or more of the pixel circuits. At least a portion of the branch line includes a partially metalized semiconductor layer.
    Type: Application
    Filed: December 7, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
  • Patent number: 11018279
    Abstract: A light emitting device can include a sapphire substrate; a first conductivity type semiconductor layer disposed on the sapphire substrate; an active layer disposed on the first conductivity type semiconductor layer; a plurality of p-type conductors disposed on the active layer, and separated from each other; a first pad disposed on the first conductivity type semiconductor layer; and a second pad disposed on the plurality of p-type conductors, in which the plurality of p-type conductors are arranged in a first direction, the second pad is spaced apart from the first pad in a second direction, the second direction is perpendicular to the first direction, each of the plurality of p-type conductors has a first width in the first direction and a second width in the second direction, the first width being less than the second width, the plurality of p-type conductors are evenly spaced apart by a first distance in the first direction, and the first distance being less than the first width of each of the plurality
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: May 25, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong Lee, Min Sung Kim, Su Ik Park, Youn Joon Sung, Kwang Yong Choi
  • Patent number: 10998466
    Abstract: An embodiment relates to a light emitting device comprise a second electrode which includes indium tin oxide (ITO), an ohmic characteristic between a second semiconductor layer and the second electrode is improved and a driving voltage is also improved. An embodiment relates to a light emitting device comprise a capping layer that can overlap the second semiconductor layer with the second electrode interposed therebetween and include a material of which a difference in thermal expansion coefficient with the second semiconductor layer is 3 or less. Therefore, since the capping layer is electrically connected to the second electrode, delamination and lifting of an interface between the second electrode and the second semiconductor layer is prevented, and reliability of the light emitting device is improved.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kwang Yong Choi, Min Sung Kim, Su Ik Park, Youn Joon Sung, Yong Gyeong Lee
  • Patent number: 10794078
    Abstract: A damper for reinforcing earthquake resistance according to the present invention includes a first supporting part mounted in a building structure, a second supporting part mounted on a support structure movably disposed to be separated from the building structure, and disposed to face the first supporting part, and a damper part connecting the first supporting part with the second supporting part and absorbing energy generated by an earthquake.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 6, 2020
    Assignee: KOREA ELECTRIC POWER CORPORATION
    Inventors: Kyung Jin Lee, Sang Hoon Oh, Kwang Yong Choi, Kyung Won Hahm
  • Patent number: 10790413
    Abstract: One embodiment comprises: a substrate; a first conductive semiconductor layer disposed on the substrate; a second conductive semiconductor layer disposed on the first conductive semiconductor layer; and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the first conductive semiconductor layer comprises a first area where a partial area of the first conductive semiconductor layer is exposed, and comprises an inclination part which is disposed between the upper surface of the first area and the upper surface of the second conductive semiconductor layer, wherein the inclination part comprises a first edge making contact with the upper surface of the second conductive semiconductor layer, and a second edge making contact with the upper surface of the first area of the first conductive semiconductor layer, wherein the ratio of a first length to a second length is 1:0.87 to 1:4.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 29, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Youn Joon Sung, Yong Gyeong Lee, Kwang Yong Choi
  • Patent number: 10763394
    Abstract: An embodiment provides a light emitting element comprising: a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer; a plurality of conductor layers selectively arranged on the second conductive semiconductor layer; and a reflective electrode disposed on the conductor layers and the second conductive semiconductor layer.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 1, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong Lee, Min Sung Kim, Su Ik Park, Youn Joon Sung, Kwang Yong Choi
  • Publication number: 20200181931
    Abstract: A damper for reinforcing earthquake resistance according to the present invention includes a first supporting part mounted in a building structure, a second supporting part mounted on a support structure movably disposed to be separated from the building structure, and disposed to face the first supporting part, and a damper part connecting the first supporting part with the second supporting part and absorbing energy generated by an earthquake.
    Type: Application
    Filed: August 22, 2018
    Publication date: June 11, 2020
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Kyung Jin LEE, Sang Hoon OH, Kwang Yong CHOI, Kyung Won HAHM
  • Patent number: 10490702
    Abstract: Embodiments disclose a light-emitting device including a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a first recess and a second recess passing through the second conductive semiconductor layer and the active layer and disposed up to a partial region of the first conductive semiconductor layer, a connection electrode disposed inside the first recess and electrically connected to the first conductive semiconductor layer, a reflective layer disposed inside the second recess, and an insulation layer configured to electrically insulate the reflective layer and the light-emitting structure, and a light-emitting device package including the same.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: November 26, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Su Ik Park, Min Sung Kim, Youn Joon Sung, Yong Gyeong Lee, Kwang Yong Choi
  • Publication number: 20190305184
    Abstract: A light emitting device can include a sapphire substrate; a first conductivity type semiconductor layer disposed on the sapphire substrate; an active layer disposed on the first conductivity type semiconductor layer; a plurality of p-type conductors disposed on the active layer, and separated from each other; a first pad disposed on the first conductivity type semiconductor layer; and a second pad disposed on the plurality of p-type conductors, in which the plurality of p-type conductors are arranged in a first direction, the second pad is spaced apart from the first pad in a second direction, the second direction is perpendicular to the first direction, each of the plurality of p-type conductors has a first width in the first direction and a second width in the second direction, the first width being less than the second width, the plurality of p-type conductors are evenly spaced apart by a first distance in the first direction, and the first distance being less than the first width of each of the plurality
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong LEE, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
  • Patent number: 10263154
    Abstract: An embodiment relates to a light-emitting device comprising: a light-emitting structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses passing through the second conductive semiconductor layer and active layer and disposed on a part of an area of the first conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer inside the plurality of first recesses; a conductive support substrate which is electrically connected to the first electrode; a second electrode which is electrically connected to the second conductive semiconductor layer; and an insulating layer which is disposed between the conductive support substrate and second conductive semiconductor layer, wherein a second recess passes through the first conductive semiconducto
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: April 16, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Su Ik Park, Min Sung Kim, Youn Joon Sung, Yong Gyeong Lee, Kwang Yong Choi
  • Patent number: 10256368
    Abstract: Provided is a semiconductor substrate including a growth substrate, one or more compound semiconductor layers disposed on the growth substrate, and one or more control layers disposed between the compound semiconductor layers. Each control layer includes multiple nitride semiconductor layers including at least Al.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: April 9, 2019
    Assignee: SK Siltron Co., Ltd.
    Inventors: Jung-Hyun Eum, Kwang-Yong Choi, Jae-Ho Song, Dong-Kun Lee, Kye-Jin Lee, Young-Jae Choi
  • Publication number: 20190088822
    Abstract: An embodiment of the present invention relates to a light emitting device capable of enhancing ohmic characteristics of a semiconductor layer and an electrode and simultaneously improving driving voltage, comprising: a support substrate; a light emitting structure which is disposed on the support substrate and comprises a first semiconductor layer, a second semiconductor layer and an active layer disposed between the first semiconductor layer and the second semiconductor layer; at least one groove which exposes the first semiconductor layer through the second semiconductor layer and the active layer; a first electrode which is disposed between the light emitting structure and the support substrate and electrically connected to the exposed first semiconductor layer; a second electrode which comprises ITO and contacts the second semiconductor layer; and a capping layer which is electrically connected, between the first electrode and the light emitting structure, to the second electrode, wherein the capping laye
    Type: Application
    Filed: March 8, 2017
    Publication date: March 21, 2019
    Inventors: Kwang Yong CHOI, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Yong Gyeong LEE
  • Patent number: 10236417
    Abstract: An embodiment relates to a light-emitting element that easily dissipates heat through a pad and has a uniform heat distribution, the light-emitting element including a light-emitting structure that includes a first semiconductor layer, an active layer, and a second semiconductor layer; a first electrode that is formed on one side of the light-emitting structure and includes a plurality of contact parts electrically connected with the first semiconductor layer; a second electrode formed on the one side of the light-emitting structure and electrically connected with the second semiconductor layer; a first pad connected with the first electrode; and a second pad spaced apart from the first pad and connected with the second electrode, wherein the plurality of contact parts are arranged on the first and second pads.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: March 19, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Woo Sik Lim, Min Sung Kim, Eun Woo Ro, Su Ik Park, Youn Joon Sung, Kwang Yong Choi
  • Publication number: 20190013439
    Abstract: One embodiment comprises: a substrate; a first conductive semiconductor layer disposed on the substrate; a second conductive semiconductor layer disposed on the first conductive semiconductor layer; and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the first conductive semiconductor layer comprises a first area where a partial area of the first conductive semiconductor layer is exposed, and comprises an inclination part which is disposed between the upper surface of the first area and the upper surface of the second conductive semiconductor layer, wherein the inclination part comprises a first edge making contact with the upper surface of the second conductive semiconductor layer, and a second edge making contact with the upper surface of the first area of the first conductive semiconductor layer, wherein the ratio of a first length to a second length is 1:0.87 to 1:4.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 10, 2019
    Inventors: Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI