Patents by Inventor Jung-Ho Choi

Jung-Ho 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: 11605800
    Abstract: A display device includes a base substrate, an organic layer on the base substrate and including a pattern region having an uneven pattern formed thereon, and a non-pattern region having a substantially flat surface, a light-emitting element on the organic layer, and a color conversion pattern on the light-emitting element and overlapping the pattern region and the non-pattern region.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ho Choi, June Woo Lee
  • Patent number: 11499239
    Abstract: Provided are an anode for electrolysis, which includes a metal base, and a catalyst layer disposed on at least one surface of the metal base, wherein the catalyst layer includes a composite metal oxide of ruthenium, iridium, titanium, and platinum, and a metal in the composite metal oxide does not include palladium, wherein, when the catalyst layer is equally divided into a plurality of pixels, a standard deviation of iridium compositions of the plurality of equally divided pixels is 0.40 or less, and a method of preparing the same.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: November 15, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Hun Min Park, Jung Ho Choi, In Sung Hwang, Kwang Hyun Kim, Jung Up Bang, Dong Chul Lee, Gyo Hyun Hwang
  • Patent number: 11472702
    Abstract: The present invention relates to a method of purifying waste hydrochloric acid, and more particularly, to a method of purifying waste hydrochloric acid which includes preparing an extraction solution by dissolving an extractant in an organic solvent (S1), extracting metallic components with the organic solvent by adding the extraction solution to the waste hydrochloric acid (S2), separating a waste hydrochloric acid layer and the organic solvent containing the metallic components (S3), and obtaining purified hydrochloric acid by recovering the separated (fractionated) waste hydrochloric acid layer (S4), wherein the extractant is used in an amount of 40 moles or more based on 1 mole of iron (Fe) included in the waste hydrochloric acid, and the waste hydrochloric acid and the extraction solution are mixed in a volume ratio of 1:0.1 to 1:1.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: October 18, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Hee Jun Eom, Dong Chul Lee, Yeon Yi Kim, Jung Ho Choi
  • Publication number: 20220259062
    Abstract: The present invention provides a tin oxide forming composition and a tin oxide forming method using the tin oxide forming composition. The tin oxide forming composition of the present invention is easy to manufacture and is capable of forming a tin oxide with a high yield.
    Type: Application
    Filed: September 14, 2020
    Publication date: August 18, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Jung Ho Choi, In Sung Hwang, Hun Min Park, Dong Chul Lee, Gyo Hyun Hwang, Kwang Hyun Kim, Jung Up Bang
  • Patent number: 11244911
    Abstract: A semiconductor chip includes a substrate including: a main chip region; and a scribe lane surrounding the main chip region; a lower interlayer insulating layer disposed on the substrate in the scribe lane; a circuit structure disposed on the lower interlayer insulating layer in the scribe lane; and a pad structure disposed on the lower interlayer insulating layer. The circuit structure and the pad structure are disposed to be spaced apart from each other in a longitudinal direction of the scribe lane.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon Sung Kim, Yun Hee Kim, Byung Moon Bae, Hyun Su Sim, Jun Ho Yoon, Jung Ho Choi
  • Patent number: 11168837
    Abstract: Disclosed is a liquefied natural gas storage apparatus. The apparatus includes a heat insulated tank and liquefied natural gas contained in the tank. The tank has heat insulation sufficient to maintain liquefied natural gas therein such that most of the liquefied natural gas stays in liquid. The contained liquefied natural gas has a vapor pressure from about 0.3 bar to about 2 bar. The apparatus further includes a safety valve configured to release a part of liquefied natural gas contained in the tank when a vapor pressure of liquefied natural gas within the tank becomes higher than a cut-off pressure. The cut-off pressure is from about 0.3 bar to about 2 bar.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: November 9, 2021
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Jung Han Lee, Jung Ho Choi, Sung Kon Han, Dong Kyu Choi, Young Sik Moon
  • Patent number: 11145601
    Abstract: A semiconductor chip including an alignment pattern is provided. The semiconductor chip includes a substrate associated with a main chip region of a semiconductor wafer and including a scribe lane. A lower interlayer insulating layer is disposed on the substrate, a low-K layer including dummy metal patterns is disposed on the lower interlayer insulating layer, an alignment pattern is disposed on the low-K layer, and a passivation layer covers the alignment pattern.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: October 12, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Sung Kim, Yun Hee Kim, Byung Moon Bae, Hyun Su Sim, Jun Ho Yoon, Jung Ho Choi
  • Publication number: 20210283421
    Abstract: An ultra-compact phototherapy apparatus for treating skin diseases includes: a PCB substrate in which a light emitting element and a pair of left and right first metal electrodes (positive pole) are formed on an upper surface and a second metal electrode is formed on a lower surface, a battery having a first electrode on an upper surface, which is in contact with the second metal electrode on the lower surface of the PCB substrate, and a second electrode on a lower surface, and an electrode body formed so that the battery is inserted inside and the PCB substrate is inserted in slidingly a front-rear direction, of which an upper inner side is selectively in contact with the first metal electrode of the PCB substrate.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 16, 2021
    Applicant: EVORAY Co., Ltd.
    Inventors: Won Gyu KANG, Pok Hyeon JEON, Jung Ho CHOI
  • Patent number: 11056667
    Abstract: A display device includes: a first base substrate which comprises a plurality of pixels; a pixel electrode on the first base substrate in each of the pixels and comprises a reflective film; an organic layer on the pixel electrode; and a common electrode on the organic layer, wherein the pixel electrode has a reflectance of 80% or more for light in a first wavelength range of 420 nm to 470 nm.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ho Choi, Nam Su Kang, Yi Seul Kim, Heung Su Park, Hyun Shik Lee, Heun Seung Lee, Jae Hoon Hwang
  • Patent number: 10942389
    Abstract: A color conversion element includes a base substrate, and a first color filter layer, a second color conversion layer, and a third color conversion layer disposed on the base substrate, wherein the first color filter layer, the second color conversion layer, and the third color conversion layer are sequentially arranged on a plane, and wherein an interval between the first color filter layer and the second color conversion layer or an interval between the first color filter layer and the third color conversion layer is different from an interval between the second color conversion layer and the third color conversion layer.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: March 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: June Woo Lee, Ji Hyun Kim, Young Hee Lee, Young Joo Jeon, Byoung Seong Jeong, Jung Ho Choi
  • Publication number: 20210057278
    Abstract: Methods of manufacturing a semiconductor chip are provided. The methods may include providing a semiconductor substrate including integrated circuit regions and a cut region. The cut region may be between the integrated circuit regions. The methods may also include forming a modified layer by emitting a laser beam into the semiconductor substrate along the cut region, polishing an inactive surface of the semiconductor substrate to propagate a crack from the modified layer, and separating the integrated circuit regions along the crack. The cut region may include a plurality of multilayer metal patterns on an active surface of the semiconductor substrate, which is opposite to the inactive surface of the semiconductor substrate. The plurality of multilayer metal patterns may form a pyramid structure when viewed in cross section.
    Type: Application
    Filed: November 10, 2020
    Publication date: February 25, 2021
    Inventors: Byung-moon Bae, Yoon-sung Kim, Yun-hee Kim, Hyun-su Sim, Jun-ho Yoon, Jung-ho Choi
  • Patent number: 10886234
    Abstract: A semiconductor device is provided. The semiconductor device includes: a substrate which includes a semiconductor chip region and a scribe line region surrounding the semiconductor chip region; an insulating film arranged over the semiconductor chip region and the scribe line region on the substrate, and including a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface, and a fourth surface opposite to the third surface and connecting the first surface and the second surface; and an opening portion formed on the second surface of the insulating film and the fourth surface of the insulating film to expose the substrate, wherein the opening portion is formed in the scribe line region, and the first surface of the insulating film and the third surface of the insulating film do not include an opening portion which expose the substrate.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho Yoon, Yoon Sung Kim, Yun Hee Kim, Byung Moon Bae, Hyun Su Sim, Jung Ho Choi
  • Publication number: 20200411799
    Abstract: A display device includes a base substrate, an organic layer on the base substrate and including a pattern region having an uneven pattern formed thereon, and a non-pattern region having a substantially flat surface, a light-emitting element on the organic layer, and a color conversion pattern on the light-emitting element and overlapping the pattern region and the non-pattern region.
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Inventors: Jung Ho CHOI, June Woo LEE
  • Patent number: 10866669
    Abstract: There is provided a flat panel display device and a method of manufacturing the same. A flexible and transparent material is coated on a supporting substrate to a small thickness so that film substrates are easily formed. Step differences are formed in the film substrates so that a distance between pads of the two film substrates is reduced. Since conductive balls with reduced diameters are used so that the pads may be electrically connected, the distance between pads is reduced so that it is possible to easily miniaturize a high resolution flat panel display device, to prevent electrical connection defect between the pads, and to reduce manufacturing expenses.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: December 15, 2020
    Inventor: Jung Ho Choi
  • Publication number: 20200385876
    Abstract: Provided are an anode for electrolysis, which includes a metal base, and a catalyst layer disposed on at least one surface of the metal base, wherein the catalyst layer includes a composite metal oxide of ruthenium, iridium, titanium, and platinum, and a metal in the composite metal oxide does not include palladium, wherein, when the catalyst layer is equally divided into a plurality of pixels, a standard deviation of iridium compositions of the plurality of equally divided pixels is 0.40 or less, and a method of preparing the same.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 10, 2020
    Inventors: Hun Min PARK, Jung Ho CHOI, In Sung HWANG, Kwang Hyun KIM, Jung Up BANG, Dong Chul LEE, Gyo Hyun HWANG
  • Patent number: 10854517
    Abstract: Methods of manufacturing a semiconductor chip are provided. The methods may include providing a semiconductor substrate including integrated circuit regions and a cut region. The cut region may be between the integrated circuit regions. The methods may also include forming a modified layer by emitting a laser beam into the semiconductor substrate along the cut region, polishing an inactive surface of the semiconductor substrate to propagate a crack from the modified layer, and separating the integrated circuit regions along the crack. The cut region may include a plurality of multilayer metal patterns on an active surface of the semiconductor substrate, which is opposite to the inactive surface of the semiconductor substrate. The plurality of multilayer metal patterns may form a pyramid structure when viewed in cross section.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-moon Bae, Yoon-sung Kim, Yun-hee Kim, Hyun-su Sim, Jun-ho Yoon, Jung-ho Choi
  • Patent number: 10811637
    Abstract: A display device includes a base substrate, an organic layer on the base substrate and including a pattern region having an uneven pattern formed thereon, and a non-pattern region having a substantially flat surface, a light-emitting element on the organic layer, and a color conversion pattern on the light-emitting element and overlapping the pattern region and the non-pattern region.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Ho Choi, June Woo Lee
  • Publication number: 20200270132
    Abstract: The present invention relates to a method of purifying waste hydrochloric acid, and more particularly, to a method of purifying waste hydrochloric acid which includes preparing an extraction solution by dissolving an extractant in an organic solvent (S1), extracting metallic components with the organic solvent by adding the extraction solution to the waste hydrochloric acid (S2), separating a waste hydrochloric acid layer and the organic solvent containing the metallic components (S3), and obtaining purified hydrochloric acid by recovering the separated (fractionated) waste hydrochloric acid layer (S4), wherein the extractant is used in an amount of 40 moles or more based on 1 mole of iron (Fe) included in the waste hydrochloric acid, and the waste hydrochloric acid and the extraction solution are mixed in a volume ratio of 1:0.1 to 1:1.
    Type: Application
    Filed: October 25, 2017
    Publication date: August 27, 2020
    Inventors: Hee Jun EOM, Dong Chul LEE, Yeon Yi KIM, Jung Ho CHOI
  • Publication number: 20200253353
    Abstract: The disclosure relates to a container including a spinning formulation structure, the container including a rotating unit including a central axis having a bar shape and a first gear coupled to the central axis and rotating together with the central axis; a plurality of formulation structures coupled to the rotating unit; a housing having a storage space through which the plurality of formulation structures are inserted, the storage space being open toward the outside and a second gear being formed along an inner peripheral surface of the storage space; and a controller being inserted in one side and another side of the central axis and located on an upper portion of the housing to be rotatable along the inner peripheral surface of the housing, wherein, when the controller is located on the upper portion of the housing, the first gear is engaged with the second gear.
    Type: Application
    Filed: September 9, 2019
    Publication date: August 13, 2020
    Applicant: COSMAX INC.
    Inventors: Jung Su KIM, Jung Ku YUN, Hyun Seung JUN, Hyun Soo KIM, Jung Ho CHOI
  • Patent number: 10740153
    Abstract: An apparatus and a method for managing computing resources are disclosed. The apparatus for managing computing resources includes a task input interface configured to receive a plurality of processing-target tasks; a task processor configured to sequentially process the plurality of received processing-target tasks; and a duplicate device manager configured to generate one or more duplicate devices by duplicating the apparatus for managing computing resources based on at least one among a ratio of a number of unprocessed tasks to a number of processing-target tasks and the number of unprocessed tasks, and assign unprocessed tasks to the one or more generated duplicate devices.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jung-Ho Choi, Young-Woo Kim, Kang-Gu Kim