Patents by Inventor Sung Wook Cho
Sung Wook 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).
-
Publication number: 20240145346Abstract: A semiconductor device includes a substrate with a conductive pattern. A semiconductor die is electrically connected to the substrate and both the semiconductor die and the substrate are at least partially covered by a package body. In some examples, through-mold vias are formed in the package body to provide electrical signal paths from an exterior surface thereof to the conductive pattern of the substrate. In some examples, through-mold vias are included in the package body to provide electrical signal paths between the semiconductor die and an exterior surface of the package body. In some examples, an interposer is electrically connected to the through-mold vias and may be covered by the package body and/or disposed in spaced relation thereto. In some examples, the interposer may not be electrically connected to the through-mold vias but may have one or more semiconductor dies of the semiconductor device electrically connected thereto.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Applicant: Amkor Technology Singapore Holding Pte. LtdInventors: Dong Joo PARK, Jin Seong KIM, Ki Wook LEE, Dae Byoung KANG, Ho CHOI, Kwang Ho KIM, Jae Dong KIM, Yeon Soo JUNG, Sung Hwan CHO
-
Patent number: 11937502Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The A3 ring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.Type: GrantFiled: April 13, 2016Date of Patent: March 19, 2024Assignees: Samsung Display Co., Ltd., Research & Business Foundation Sungkyunkwan UniversityInventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Sam-Il Kho, Seung-Soo Yoon, Changwoong Chu
-
Patent number: 11923389Abstract: An image sensing device includes photoelectric conversion elements structured to convert light into electrical signals, and a color filter layer structured to filter incident light towards the photoelectric conversion elements depending on a wavelength range of the incident light corresponding to colors of the incident light to allow the filtered light to be detected by the photoelectric conversion elements corresponding to the colors of the incident light. The color filter layer includes a plurality of first color filters as part of the different filters and structured to allow light at a wavelength range corresponding to a first color and arranged adjacent to each other. A distance between at least one of the first color filters and a corresponding photoelectric conversion element formed below the at least one of the first color filters is different from a distance between the remaining first color filters and corresponding photoelectric conversion elements, respectively.Type: GrantFiled: April 8, 2021Date of Patent: March 5, 2024Assignee: SK HYNIX INC.Inventor: Sung Wook Cho
-
Patent number: 11728359Abstract: Disclosed is an image sensor having a plurality of groups of pixels, each group of pixels including: first to third image detection color filter sets and a phase difference detection color filter set, which are arranged in a matrix with rows and columns. The phase difference detection color filter set comprises first to fourth phase difference detection color filter pairs arranged in a matrix with rows and columns. The first to fourth phase difference detection color filter pairs comprise first to fourth left phase difference detection color filters positioned on the left of each of the first to fourth phase difference detection color filter pairs and first to fourth right phase difference detection color filters positioned on the right of each of the first to fourth phase difference detection color filter pairs, respectively.Type: GrantFiled: October 4, 2021Date of Patent: August 15, 2023Assignees: SK hynix Inc., Dong-A University Research Foundation for Industry-Academy CooperationInventors: Kyoung-In Lee, Min-Su Cho, Sung-Wook Cho, Yun-Kyung Kim
-
Publication number: 20230255110Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, lifespan characteristic, and/or power efficiency can be provided.Type: ApplicationFiled: March 30, 2023Publication date: August 10, 2023Inventors: So-Young JUNG, Su-Hyun LEE, Sung-Wook CHO
-
Patent number: 11700466Abstract: An image sensing device includes a pixel array including image sensing pixels, phase detection pixel pairs disposed between the image sensing pixels, photoelectric conversion regions corresponding to the image sensing pixels and the phase detection pixels, device isolation structures isolating the photoelectric conversion regions, color filters corresponding to the image sensing pixels and the phase detection pixel pairs, a first grid structure disposed between a color filter of a first image sensing pixel and a color filter of an adjacent first phase detection pixel pair and shifted by a first distance from a first device isolation structure disposed between the first image sensing pixel and the first phase detection pixel pair, and a second grid structure disposed in color filters of the first phase detection pixel pair and shifted by a second distance from a second device isolation structure disposed between the first phase detection pixel pairs.Type: GrantFiled: February 23, 2022Date of Patent: July 11, 2023Assignee: SK hynix Inc.Inventor: Sung Wook Cho
-
Patent number: 11658195Abstract: An image sensor is disclosed. The image sensor includes a pixel region and a shield region. The pixel region includes a first microlens array that includes microlenses arranged in a first direction and a second direction perpendicular to the first direction. The shield region surrounds the pixel region and includes a second microlens array formed in a shape that is obtained when the first microlens array is rotated by a predetermined angle with respect to the first direction.Type: GrantFiled: September 11, 2020Date of Patent: May 23, 2023Assignee: SK hynix Inc.Inventors: Sung Wook Cho, Han Jun Kim, Min Su Cho
-
Publication number: 20230042186Abstract: An image sensing device includes a pixel array configured to include a plurality of pixel groups arranged in a matrix structure. Each of the pixel groups includes an optical filter configured to selectively pass incident light, a plurality of photoelectric conversion regions disposed below the optical filter and arranged in a matrix structure, a first isolation structure disposed between the photoelectric conversion regions and other pixel groups, a plurality of second isolation structures disposed between two adjacent photoelectric conversion regions from among the photoelectric conversion regions, and a third isolation structure disposed between the second isolation structures, and configured to interconnect the second isolation structures. The third isolation structure includes a cavity region formed adjacent to contact any one of the photoelectric conversion regions.Type: ApplicationFiled: July 7, 2022Publication date: February 9, 2023Inventor: Sung Wook CHO
-
Publication number: 20230016604Abstract: An image sensing device includes a pixel array including image sensing pixels, phase detection pixel pairs disposed between the image sensing pixels, photoelectric conversion regions corresponding to the image sensing pixels and the phase detection pixels, device isolation structures isolating the photoelectric conversion regions, color filters corresponding to the image sensing pixels and the phase detection pixel pairs, a first grid structure disposed between a color filter of a first image sensing pixel and a color filter of an adjacent first phase detection pixel pair and shifted by a first distance from a first device isolation structure disposed between the first image sensing pixel and the first phase detection pixel pair, and a second grid structure disposed in color filters of the first phase detection pixel pair and shifted by a second distance from a second device isolation structure disposed between the first phase detection pixel pairs.Type: ApplicationFiled: February 23, 2022Publication date: January 19, 2023Inventor: Sung Wook CHO
-
Publication number: 20220293659Abstract: An image sensing device for preventing a crosstalk path is disclosed. The image sensing device includes a substrate including a plurality of photoelectric conversion elements, each of which generates and accumulates photocharges corresponding to incident light and a plurality of lenses disposed over the substrate, and arranged to receive the incident light and to direct received incident light to the plurality of photoelectric conversion elements, wherein the plurality of lenses includes a first lens and a second lens that are arranged to contact each other and have different refractive indexes from each other.Type: ApplicationFiled: November 9, 2021Publication date: September 15, 2022Inventor: Sung Wook CHO
-
Publication number: 20220077211Abstract: An image sensing device includes photoelectric conversion elements structured to convert light into electrical signals, and a color filter layer structured to filter incident light towards the photoelectric conversion elements depending on a wavelength range of the incident light corresponding to colors of the incident light to allow the filtered light to be detected by the photoelectric conversion elements corresponding to the colors of the incident light. The color filter layer includes a plurality of first color filters as part of the different filters and structured to allow light at a wavelength range corresponding to a first color and arranged adjacent to each other. A distance between at least one of the first color filters and a corresponding photoelectric conversion element formed below the at least one of the first color filters is different from a distance between the remaining first color filters and corresponding photoelectric conversion elements, respectively.Type: ApplicationFiled: April 8, 2021Publication date: March 10, 2022Inventor: Sung Wook CHO
-
Publication number: 20220028910Abstract: Disclosed is an image sensor having a plurality of groups of pixels, each group of pixels including: first to third image detection color filter sets and a phase difference detection color filter set, which are arranged in a matrix with rows and columns. The phase difference detection color filter set comprises first to fourth phase difference detection color filter pairs arranged in a matrix with rows and columns. The first to fourth phase difference detection color filter pairs comprise first to fourth left phase difference detection color filters positioned on the left of each of the first to fourth phase difference detection color filter pairs and first to fourth right phase difference detection color filters positioned on the right of each of the first to fourth phase difference detection color filter pairs, respectively.Type: ApplicationFiled: October 4, 2021Publication date: January 27, 2022Inventors: Kyoung-In LEE, Min-Su CHO, Sung-Wook CHO, Yun-Kyung KIM
-
Patent number: 11233078Abstract: An image sensing device in which overlay pixels are formed in a dummy pixel region is disclosed. The image sensing device includes a first dummy pixel region including a first micro-lens, a second dummy pixel region surrounding the first dummy pixel region and formed without micro-lens, and a third dummy pixel region surrounding the second dummy pixel region and including a plurality of second micro-lenses. A center point of the first micro-lens is aligned with a center point of the first photoelectric conversion element, and a center point of the second micro-lenses is shifted in a certain direction from a center point of the third photoelectric conversion elements.Type: GrantFiled: November 29, 2018Date of Patent: January 25, 2022Assignee: SK hynix Inc.Inventor: Sung Wook Cho
-
Patent number: 11158660Abstract: Disclosed is an image sensor having a plurality of groups of pixels, each group of pixels including: first to third image detection color filter sets and a phase difference detection color filter set, which are arranged in a matrix with rows and columns. The phase difference detection color filter set comprises first to fourth phase difference detection color filter pairs arranged in a matrix with rows and columns. The first to fourth phase difference detection color filter pairs comprise first to fourth left phase difference detection color filters positioned on the left of each of the first to fourth phase difference detection color filter pairs and first to fourth right phase difference detection color filters positioned on the right of each of the first to fourth phase difference detection color filter pairs, respectively.Type: GrantFiled: August 14, 2019Date of Patent: October 26, 2021Assignee: SK hynix Inc.Inventors: Kyoung-In Lee, Min-Su Cho, Sung-Wook Cho, Yun-Kyung Kim
-
Publication number: 20210143200Abstract: An image sensor is disclosed. The image sensor includes a pixel region and a shield region. The pixel region includes a first microlens array that includes microlenses arranged in a first direction and a second direction perpendicular to the first direction. The shield region surrounds the pixel region and includes a second microlens array formed in a shape that is obtained when the first microlens array is rotated by a predetermined angle with respect to the first direction.Type: ApplicationFiled: September 11, 2020Publication date: May 13, 2021Inventors: Sung Wook Cho, Han Jun Kim, Min Su Cho
-
Patent number: 10991889Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. An organic electroluminescent device having a low driving voltage, a high luminous efficiency and/or excellent color coordinates can be provided by comprising the organic electroluminescent compound according to the present disclosure.Type: GrantFiled: July 19, 2018Date of Patent: April 27, 2021Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Hyun Kim, Doo-Hyeon Moon, Sang-Hee Cho, Sung-Wook Cho
-
Patent number: 10800106Abstract: A 3D printing estimation apparatus includes a database storing 3D model data indicating a printing part and usage amount information of each material in one spraying process, a printing data generating part for generating 3D data of a printing object including the printing part and a support, an area splitting part for splitting the 3D data into at least one area, a material determining part for determining a type and a printing pattern of each material constituting each of the at least one area, and a material usage amount estimating part for determining a number of times each material is sprayed on the at least one area based on the determined type and the printing pattern of each material, and estimating a usage amount of each material to be printed the printing object based on the determined number of times and the usage amount information.Type: GrantFiled: November 14, 2017Date of Patent: October 13, 2020Assignee: 3D Systems Korea, Inc.Inventors: Jae Il Park, Gyeo Rye Lee, Du Su Kim, Sung Wook Cho
-
Publication number: 20200203629Abstract: The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device having improved driving voltage, luminous efficiency, lifespan characteristic, and/or power efficiency can be provided.Type: ApplicationFiled: August 8, 2018Publication date: June 25, 2020Inventors: So-Young JUNG, Su-Hyun LEE, Sung-Wook CHO
-
Publication number: 20200152885Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. An organic electroluminescent device having a low driving voltage, a high luminous efficiency and/or excellent color coordinates can be provided by comprising the organic electroluminescent compound according to the present disclosure.Type: ApplicationFiled: July 19, 2018Publication date: May 14, 2020Inventors: Hyun KIM, Doo-Hyeon MOON, Sang-Hee CHO, Sung-Wook CHO
-
Patent number: RE48998Abstract: Disclosed is a system and method for allowing analysis results of scan data to have supplemental geometry and various measurements generated from the supplemental geometry or mutual common relations between geometric tolerances, and when the scan data changes, the analysis results according to the related data are recalculated in real time in order to simplify the repetitive inspection process according to the scan data changes.Type: GrantFiled: June 7, 2019Date of Patent: March 29, 2022Assignee: 3D Systems, Inc.Inventors: Seock Hoon Bae, Dong Hoon Lee, Seung Yob Kim, Sung Wook Cho