Patents by Inventor Min Cho

Min Cho 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: 11744120
    Abstract: A manufacturing method of a display device includes: forming a transistor on a substrate; forming an organic insulating layer on the transistor; and performing a plasma treatment on the organic insulating layer. The organic insulating layer includes an acryl-based polymer, and the plasma treatment is performed by using helium gas or argon gas.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Min Cho, Tae Sung Kim, Yun Jong Yeo, Ji Youn Nam, Hee Min Yoo
  • Publication number: 20230269990
    Abstract: A light emitting display device includes: a display area; a first component area positioned within the display area and that includes a plurality of pixels, each pixel of the plurality of pixels respectively includes a pixel circuit part, and the first component area further includes a first photosensor area and a second photosensor area between the plurality of pixels. The first photosensor area includes: a first sub-photosensor area positioned between adjacent pixel circuit parts; and a light blocking layer positioned on a front surface of the first sub-photosensor area and that includes an opening that overlaps the first sub-photosensor area on a plane. The second photosensor area includes: a second sub-photosensor area positioned between the adjacent pixel circuit parts; and the light blocking layer positioned on a front surface of the second sub-photosensor area and that overlaps the second sub-photosensor area.
    Type: Application
    Filed: October 28, 2022
    Publication date: August 24, 2023
    Inventors: Seong Min Cho, Dae-Gi Kweon, Sungmin Kim, Chan Young Kim, Hyun Duck Cho
  • Publication number: 20230256735
    Abstract: An inkjet printing apparatus includes: a print head device including an inkjet head to spray a composition for ink including a plurality of bipolar elements; an ink circulation device including an ink storage to store the composition for ink, and transfer the composition for ink to the print head device; an ink injection device to inject the composition for ink into the ink storage; and a temperature adjusting device to adjust a temperature of the composition for ink. The temperature adjusting device includes: a first temperature adjusting device to adjust a temperature to be included in a first reference temperature range; a second temperature adjusting device to adjust a temperature to be included in a second reference temperature range; and a third temperature adjusting device to adjust a temperature to be included in a third reference temperature range.
    Type: Application
    Filed: June 4, 2021
    Publication date: August 17, 2023
    Inventors: Hye Jung HONG, Hyun Min CHO, Jong Hyuk KANG, Hee Yeon YOO, Yo Han LEE, Jae Hoon JUNG
  • Patent number: 11726618
    Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Dae Hyun Kim, Sung Chul Kim, Hye Yong Chu, Keun Kyu Song
  • Patent number: 11721489
    Abstract: A multilayer ceramic capacitor includes a body having a dielectric layer and internal electrodes disposed to be alternately exposed to the third and fourth surfaces with the dielectric layer interposed therebetween. External electrodes include connection parts respectively formed on opposing surfaces of the body, band parts formed to extend from the connection parts to portions of side surfaces of the body, and corner parts in which the connection parts and the band parts are contiguous. A thickness of each of the external electrodes may be 50 nm to 2 ?m. The external electrodes may be formed using a barrel-type sputtering method. A ratio t2/t1 may satisfy 0.7 to 1.2, where t1 is a thickness of each connection part and t2 is a thickness of each band part. A ratio t3/t1 may satisfy 0.7 to 1.0, where t3 is a thickness of each corner part.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Joon Oh, Tae Joon Park, Sang Wook Lee, Sung Min Cho, Seung Mo Lim
  • Publication number: 20230244899
    Abstract: The present disclosure is directed to a contactless card including an actuation security structure that is actuated to provide authorization in accessing identifying information on an integrated circuit within the contactless card. In at least one embodiment, the actuation security structure includes a pair of conductive layers and a pair of electrodes. Ends of the pair of conductive layers overlap respective ones of the pair of electrodes. The ends of the pair of conductive layers are at and in a first elastically deformable region and the respective ones of the pair of electrodes are at and in a second elastically deformable region. An owner of the contactless card may provide authorization to access the identification information on the contactless card by applying force to both the first and second elastically deformable regions inward resulting in the ends of the conductive layers moving into electrical communication with the pair of electrodes.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 3, 2023
    Applicant: STMICROELECTRONICS ASIA PACIFIC PTE LTD
    Inventors: Jaehyun KWAK, Kyoung Min CHO
  • Publication number: 20230235870
    Abstract: A multi-faceted reflective hidden lighting lamp applied to a vehicle may block a portion of external light and repeatedly reflect internal light in two or more steps with a reflective surface on one side surface of a light reflective portion having a triangular sawtooth shape formed on a lens in a direction facing a light source and a transmissive surface on the other side surface thereof in an internal space of the lamp, and form a reflective layer on the reflective surface in painting/deposition/plating processes, a laser perforation process, a masking process, and a film insert process to reduce a color conversion material for the same color conversion effect and increase the utilization of an overlap skin portion of the lens, increasing the light blocking ability for a region other than the region required by regulations in addition to increasing the transmissive/light-receiving ability for the region required by regulations.
    Type: Application
    Filed: August 23, 2022
    Publication date: July 27, 2023
    Inventors: Seung-Pyo HONG, Yun-Min CHO, Chang-Hwan OH, Dong-Joo PARK, Han-Soo PARK, Ju-Hyun KIM, Jung-Woo SHIN
  • Publication number: 20230231000
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk KANG, Hyun Min CHO, Dae Hyun KIM, Joo Yeol LEE, Hyun Deok IM
  • Publication number: 20230223351
    Abstract: A display device includes a display panel including a non-display area in which a panel pad is disposed, and a pad portion which contacts the non-display area of the display panel, where the pad portion includes an alignment mark overlapping the panel pad, the panel pad includes a first vertical portion and a second vertical portion spaced apart from each other in a first direction, a first horizontal portion connected to the first vertical portion, and a second horizontal portion connected to the second vertical portion, and the first horizontal portion and the second horizontal portion are spaced apart from each other in a second direction crossing the first direction.
    Type: Application
    Filed: December 15, 2022
    Publication date: July 13, 2023
    Inventors: KYUNG-MOK LEE, HYUNWOO LEE, DONG-YOUB LEE, Young Min CHO
  • Publication number: 20230225162
    Abstract: A display device includes a display area and a non-display area including a first driving pad portion at which a display panel is connected to an integrated circuit chip by a solder bump having a width. The first driving pad portion includes a first pad through which an electrical signal transmits between the first driving pad portion and the integrated circuit chip, and a second pad by which alignment between the first driving pad portion and the integrated circuit chip is determined. The second pad of the first driving pad portion includes a (2-1)-th pad having a width which is the same as the width of the solder bump and a (2-2)-th pad having a width which is larger than the width of the (2-1)-th pad.
    Type: Application
    Filed: December 6, 2022
    Publication date: July 13, 2023
    Inventors: KYUNG-MOK LEE, Young Min CHO, HYUNWOO LEE
  • Publication number: 20230207213
    Abstract: A multilayer electronic component includes a body including a plurality of internal electrodes and a dielectric layer interposed between the plurality of internal electrodes; external electrodes disposed on the body, connected to the plurality of internal electrodes, and including electrode layers and plating layers respectively covering the electrode layers; and coating layers respectively covering the plating layer and including an island region exposing a portion of a surface of the plating layer.
    Type: Application
    Filed: October 19, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Min CHO, Jang Yeol LEE, Ho Phil JUNG
  • Publication number: 20230207608
    Abstract: A display device includes: a pixel region including a plurality of alignment areas and a non-alignment area adjacent to the plurality of alignment areas; a plurality of electrodes extending in a direction and be spaced apart from each other in the pixel region; a plurality of light-emitting elements disposed between the plurality of electrodes in the plurality of alignment areas and including at least one end of the plurality of light-emitting elements disposed on one of the plurality of electrodes; and an alignment-inducing layer including a first part disposed in the non-alignment area.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 29, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Han Su KIM, Eun A YANG, Jong Hyuk KANG, Hyun Min CHO
  • Patent number: 11685751
    Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same, the compound used as a material of an organic material layer of the organic light emitting device and providing high color purity and enhanced lifetime properties.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: June 27, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Sujeong Geum, Hye Min Cho, Seonwoo Kim, Wanpyo Hong, Jaegoo Lee, Hoon Jun Kim
  • Publication number: 20230200059
    Abstract: A method for manufacturing a semiconductor memory device comprises providing a substrate, etching a portion of the substrate that forms a trench therein, forming an element isolation film that fills the trench and defines an active area, herein the element isolation film includes a first liner that covers an inner sidewall and a bottom surface of the trench, wherein the first liner is recessed and exposes a corner portion of the substrate, doping nitrogen into the substrate, and forming a pre-gate insulating film that extends along and on the exposed corner portion of the substrate and an upper surface of the substrate. The pre-gate insulating film includes a first portion on the upper surface of the substrate, and a second portion on the corner portion of the substrate. A thickness of the first portion is less than a thickness of the second portion.
    Type: Application
    Filed: September 1, 2022
    Publication date: June 22, 2023
    Inventors: HO KYUN AN, Su Min Cho, Bum Soo Kim, Ha Young Kim
  • Patent number: 11682693
    Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Uk Kim, Hyun Min Cho, Keun Kyu Song, Dae Hyun Kim, Jung Hong Min, Seung A Lee, Hyung Rae Cha
  • Publication number: 20230187474
    Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
  • Publication number: 20230187578
    Abstract: A method of manufacturing a light emitting element includes providing light emitting patterns on a substrate, providing a soft material layer between the light emitting patterns, deforming the soft material layer, and separating the light emitting patterns from the substrate.
    Type: Application
    Filed: September 15, 2020
    Publication date: June 15, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Won YOO, Dong Gyun KIM, Hyun Min CHO
  • Publication number: 20230180523
    Abstract: Provided is a display device comprising a substrate including a first sub-display area and a main display area surrounding the first sub-display area, a first transistor disposed on the main display area without overlapping the first sub-display area, a via insulating layer to cover the first transistor, a first light emitting element to overlap the main display area without overlapping the first sub-display area, a second light emitting element to overlap the first sub-display area without overlapping the main display area, and a transparent oxide layer to overlap the first sub-display area without overlapping the main display area, wherein the transparent oxide layer includes a conductive portion and a non-conductive portion, the first light emitting element is disposed to overlap the first transistor while being connected thereto, and the second light emitting element is connected to the conductive portion of the transparent oxide layer.
    Type: Application
    Filed: September 26, 2022
    Publication date: June 8, 2023
    Inventors: Hyun Ah SUNG, Tae Wook KANG, Hyun Min CHO, Dong Min LEE
  • Publication number: 20230170336
    Abstract: Provided are a light-emitting element ink and a method for manufacturing a display apparatus. The light-emitting element ink comprises: a light-emitting element solvent; and a plurality of light-emitting elements dispersed in the light-emitting element solvent and each comprising a plurality of semiconductor layers and an insulation film partially surrounding the outer surfaces of the semiconductor layers, wherein the light-emitting element solvent includes a fatty acid ester-based compound having a melting point in the range of 0° C. to 15° C.
    Type: Application
    Filed: April 1, 2021
    Publication date: June 1, 2023
    Inventors: Jae Hoon JUNG, Jong Hyuk KANG, Hee Yeon YOO, Hyun Min CHO, Hye Jung HONG
  • Publication number: 20230152201
    Abstract: A particle measuring device includes a probe including a nozzle spraying a gas on a surface of an object and an inlet inhaling the gas and particles scattered from the surface by the gas; a main pipe including an inflow hole through which the gas flows and a discharge hole through which the gas is discharged; a first manifold provided to connect the main pipe to the nozzle, and supplying the gas to the nozzle; a second manifold provided to connect the main pipe to the inlet between a connecting portion of the first manifold and the discharge hole, and supplying the particles and the gas to the main pipe; a third manifold branched from the second manifold and supplying the particles and the gas; and a particle counter connected to the third manifold, and counting the particles included in the gas supplied through the third manifold.
    Type: Application
    Filed: November 14, 2022
    Publication date: May 18, 2023
    Applicant: KOMICO LTD.
    Inventors: Si Young PARK, Seong Min CHO, Su Kyung SON