Patents by Inventor Chang Hwa Park
Chang Hwa Park 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).
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Patent number: 11594577Abstract: A color filter is disposed on a substrate. An organic photodiode is disposed on the color filter. The organic photodiode includes an electrode insulating layer having a recess region on the substrate, a first electrode on the color filter, the first electrode filling the recess region of the electrode insulating layer, a second electrode on the first electrode, and an organic photoelectric conversion layer interposed between the first electrode and the second electrode. The first electrode includes a seam extending at a first angle from a side surface of the recess region of the electrode insulating layer.Type: GrantFiled: November 5, 2021Date of Patent: February 28, 2023Inventors: Gwi-Deok Ryan Lee, Jung Hun Kim, Chang Hwa Kim, Sang Su Park, Sang Hoon Uhm, Beom Suk Lee, Tae Yon Lee, Dong Mo Im
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Patent number: 11587878Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and core wiring layers and having a cavity penetrating through a portion of the first insulating body, an electronic component disposed in the cavity, an insulating material covering at least a portion of each of the core structure and the electronic component and disposed in at least a portion of the cavity, a wiring layer disposed on the insulating material, and a build-up structure disposed on the insulating material and including a second insulating body and a build-up wiring layer. A material of the first insulating body has a coefficient of thermal expansion (CTE) less than a CTE of the second insulating body, and the insulating material has a CTE less than a CTE of a material of the second insulating body.Type: GrantFiled: January 6, 2022Date of Patent: February 21, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Jung Byun, Chang Hwa Park, Sang Ho Jeong, Ki Ho Na, Je Sang Park, Yong Duk Lee, Jin Won Lee
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Patent number: 11574775Abstract: A dielectric powder includes a core-shell structure including a core region formed in an inner portion thereof and a shell region covering the core region. The core region includes barium titanate (BaTiO3) doped with a metal oxide, and the shell region is formed of a ferroelectric material.Type: GrantFiled: December 24, 2020Date of Patent: February 7, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Hwa Park, Jin Woo Kim, Min Gi Sin, Byung Hyun Park, Chin Mo Kim
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Publication number: 20220367888Abstract: An apparatus for controlling driving of a stack cooling pump of a fuel cell system is provided. The apparatus includes a cooling unit having a fuel cell stack installed in a fuel cell vehicle and a cooling pump configured to move a coolant. A reservoir allows the coolant moving toward the cooling pump to be injected thereinto. A controller is configured to sequentially operate the cooling pump in a predetermined pre-run mode and a predetermined air bubble removal mode when the coolant is injected into the reservoir.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Inventors: Chul Wan PARK, Jae Ho Han, Young June Oh, Jin Hun Lee, Chang Hwa Hyun
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Patent number: 11490503Abstract: A substrate with an electronic component embedded therein includes: a core structure having a cavity; a metal layer disposed on a bottom surface of the cavity of the core structure; and an electronic component disposed on the metal layer in the cavity of the core structure. The substrate with the electronic component embedded therein has an excellent heat dissipation effect.Type: GrantFiled: March 17, 2021Date of Patent: November 1, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Hwa Park, Chi Seong Kim, Eun Heay Lee, Yo Han Song, Gun Hwi Hyung, Jae Heun Lee, Deok Man Kang, Jin Oh Park
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Publication number: 20220285715Abstract: Disclosed are: an ionomer dispersion having high dispersion stability while also containing high content of ionomer solids, thus optimizing the ionomer morphology in a polymer electrolyte membrane to allow both the ion conductivity and durability of the polymer electrolyte membrane to be improved; a method for producing the ionomer dispersion; and a polymer electrolyte membrane produced using the method.Type: ApplicationFiled: September 29, 2020Publication date: September 8, 2022Inventors: Na Young KIM, Dong Hoon LEE, Eun Su LEE, Jung Hwa PARK, Seung Jib YUM, Chang Hoon OH, Hye Song LEE
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Patent number: 11425509Abstract: An atmospheric pressure adjustment apparatus is disclosed.Type: GrantFiled: November 5, 2018Date of Patent: August 23, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Hwa Lee, Yang Wook Kim, Chang Han Kim, Gui Won Seo, Sung Won Cho, Jin Ho Park, Hyeong Cheol Jeong
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Publication number: 20220130766Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and core wiring layers and having a cavity penetrating through a portion of the first insulating body, an electronic component disposed in the cavity, an insulating material covering at least a portion of each of the core structure and the electronic component and disposed in at least a portion of the cavity, a wiring layer disposed on the insulating material, and a build-up structure disposed on the insulating material and including a second insulating body and a build-up wiring layer. A material of the first insulating body has a coefficient of thermal expansion (CTE) less than a CTE of the second insulating body, and the insulating material has a CTE less than a CTE of a material of the second insulating body.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Jung BYUN, Chang Hwa PARK, Sang Ho JEONG, Ki Ho NA, Je Sang PARK, Yong Duk LEE, Jin Won LEE
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Patent number: 11251133Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and core wiring layers and having a cavity penetrating through a portion of the first insulating body, an electronic component disposed in the cavity, an insulating material covering at least a portion of each of the core structure and the electronic component and disposed in at least a portion of the cavity, a wiring layer disposed on the insulating material, and a build-up structure disposed on the insulating material and including a second insulating body and a build-up wiring layer. A material of the first insulating body has a coefficient of thermal expansion (CTE) less than a CTE of the second insulating body, and the insulating material has a CTE less than a CTE of a material of the second insulating body.Type: GrantFiled: March 13, 2020Date of Patent: February 15, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Jung Byun, Chang Hwa Park, Sang Ho Jeong, Ki Ho Na, Je Sang Park, Yong Duk Lee, Jin Won Lee
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Publication number: 20220022310Abstract: A substrate with an electronic component embedded therein includes: a core structure having a cavity; a metal layer disposed on a bottom surface of the cavity of the core structure; and an electronic component disposed on the metal layer in the cavity of the core structure. The substrate with the electronic component embedded therein has an excellent heat dissipation effect.Type: ApplicationFiled: March 17, 2021Publication date: January 20, 2022Inventors: Chang Hwa Park, Chi Seong Kim, Eun Heay Lee, Yo Han Song, Gun Hwi Hyung, Jae Heun LEE, Deok Man Kang, Jin Oh Park
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Patent number: 11229118Abstract: A printed circuit board, comprising a flexible insulating layer, a rigid insulating layer laminated on a portion of the flexible insulating layer, and a coverlay disposed on an upper surface of the rigid insulating layer, an upper surface of the flexible insulating layer, and a side surface of the rigid insulating layer positioned between the upper surface of the rigid insulating layer and the upper surface of the flexible insulating layer.Type: GrantFiled: November 5, 2019Date of Patent: January 18, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Chang-Hwa Park
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Patent number: 11183462Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.Type: GrantFiled: March 5, 2020Date of Patent: November 23, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Mi Sun Hwang, Dae Jung Byun, Chang Hwa Park, Sang Ho Jeong, Jun Hyeong Jang, Ki Ho Na, Je Sang Park, Yong Duk Lee, Yoo Rim Cha, Yeo Il Park
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Patent number: 11075156Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and first wiring layers and having a cavity, an electronic component embedded in the cavity, a build-up structure including a second insulating body, covering at least a portion of each of the core structure and the electronic component and filling a portion of the cavity, and second wiring layers, a first passivation layer disposed on a side of the core structure opposing a side of the core structure on which the build-up structure is disposed, and a second passivation layer disposed on a side of the build-up structure opposing a side of the build-up structure on which the core structure is disposed, wherein the first and second passivation layers include different types of materials.Type: GrantFiled: March 3, 2020Date of Patent: July 27, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dae Jung Byun, Yong Duk Lee, Chang Hwa Park, Ki Ho Na, Je Sang Park, Jin Won Lee
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Publication number: 20210193580Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and core wiring layers and having a cavity penetrating through a portion of the first insulating body, an electronic component disposed in the cavity, an insulating material covering at least a portion of each of the core structure and the electronic component and disposed in at least a portion of the cavity, a wiring layer disposed on the insulating material, and a build-up structure disposed on the insulating material and including a second insulating body and a build-up wiring layer. A material of the first insulating body has a coefficient of thermal expansion (CTE) less than a CTE of the second insulating body, and the insulating material has a CTE less than a CTE of a material of the second insulating body.Type: ApplicationFiled: March 13, 2020Publication date: June 24, 2021Inventors: Dae Jung BYUN, Chang Hwa PARK, Sang Ho JEONG, Ki Ho NA, Je Sang PARK, Yong Duk LEE, Jin Won LEE
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Publication number: 20210193563Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and first wiring layers and having a cavity, an electronic component embedded in the cavity, a build-up structure including a second insulating body, covering at least a portion of each of the core structure and the electronic component and filling a portion of the cavity, and second wiring layers, a first passivation layer disposed on a side of the core structure opposing a side of the core structure on which the build-up structure is disposed, and a second passivation layer disposed on a side of the build-up structure opposing a side of the build-up structure on which the core structure is disposed, wherein the first and second passivation layers include different types of materials.Type: ApplicationFiled: March 3, 2020Publication date: June 24, 2021Inventors: Dae Jung Byun, Yong Duk Lee, Chang Hwa Park, Ki Ho Na, Je Sang Park, Jin Won Lee
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Publication number: 20210193609Abstract: An electronic component embedded substrate includes a core structure including a first insulating body and core wiring layers and having a cavity and having a stopper layer disposed as a bottom surface; an electronic component disposed in the cavity and attached to the stopper layer; and a build-up structure including a second insulating body covering at least a portion each of the core structure and the electronic component and filling at least a portion of the cavity, and build-up wiring layers wherein the stopper layer has a first region in which a portion of one surface is exposed from the first insulating body and a second region in which the other portion of one surface is covered with the first insulating body, and a surface roughness of one surface of the stopper layer in the first region is greater than that of the stopper layer in the second region.Type: ApplicationFiled: February 28, 2020Publication date: June 24, 2021Inventors: Mi Sun Hwang, Dae Jung Byun, Chang Hwa Park, Sang Ho Jeong, Jun Hyeong Jang, Ki Ho Na, Je Sang Park, Yong Duk Lee, Yoo Rim Cha, Yeo Il Park
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Publication number: 20210183784Abstract: A substrate having an electronic component embedded therein includes a core structure including a first insulating body and a plurality of core wiring layers disposed on or in the first insulating body, and having a cavity penetrating at least a portion of the first insulating body in a thickness direction of the substrate and including a stopper layer as a bottom surface of the cavity, and an electronic component disposed in the cavity and attached to the stopper layer, and a surface of the stopper layer connected to the electronic component has a composite including at least two among a metal material, an inorganic particle, a filler, and an insulating resin.Type: ApplicationFiled: March 5, 2020Publication date: June 17, 2021Inventors: Mi Sun HWANG, Dae Jung BYUN, Chang Hwa PARK, Sang Ho JEONG, Jun Hyeong JANG, Ki Ho NA, Je Sang PARK, Yong Duk LEE, Yoo Rim CHA, Yeo Il PARK
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Publication number: 20210183774Abstract: A substrate embedded electronic component package includes a core member having a cavity in which a metal layer is disposed on a bottom surface thereof, an electronic component disposed in the cavity, an encapsulant filling at least a portion of the cavity and covering at least a portion of each of the core member and the electronic component, and a connection structure disposed on the encapsulant and including a first wiring layer connected to the electronic component. A wall surface of the cavity has at least one groove portion protruding outwardly from a center of the cavity, and the groove portion extends to a same depth in the core member as a depth of the cavity.Type: ApplicationFiled: March 10, 2020Publication date: June 17, 2021Inventors: Dae Jung BYUN, Chang Hwa PARK, Sang Ho JEONG, Je Sang PARK, Mi Sun HWANG, Yong Duk LEE, Jin Won LEE, Yeo Il PARK
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Publication number: 20210151257Abstract: A dielectric powder includes a core-shell structure including a core region formed in an inner portion thereof and a shell region covering the core region. The core region includes barium titanate (BaTiO3) doped with a metal oxide, and the shell region is formed of a ferroelectric material.Type: ApplicationFiled: December 24, 2020Publication date: May 20, 2021Inventors: Chang Hwa PARK, Jin Woo KIM, Min Gi SIN, Byung Hyun PARK, Chin Mo KIM
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Patent number: 10903013Abstract: A dielectric powder includes a core-shell structure including a core region formed in an inner portion thereof and a shell region covering the core region. The core region includes barium titanate (BaTiO3) doped with a metal oxide, and the shell region is formed of a ferroelectric material.Type: GrantFiled: February 5, 2020Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Hwa Park, Jin Woo Kim, Min Gi Sin, Byung Hyun Park, Chin Mo Kim