Patents by Inventor Sang-Su Park
Sang-Su 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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Publication number: 20220139995Abstract: Disclosed is an image sensor including a substrate having a first surface and a second surface opposite to each other, a first photoelectric conversion region and a second photoelectric conversion region in the substrate, a through electrode between the first and second photoelectric conversion regions, an insulation structure on the second surface of the substrate, a first color filter and a second color filter respectively provided on the first and second photoelectric conversion regions, and a photoelectric conversion layer on the insulation structure and electrically connected to the through electrode. The through electrode include a first end adjacent to the first surface and a second end adjacent to the second surface. The first end has a non-planar shape.Type: ApplicationFiled: January 18, 2022Publication date: May 5, 2022Inventors: Changhwa KIM, JungHun KIM, Sang-Su PARK, Beomsuk LEE, Gang ZHANG, Jaesung HUR
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Publication number: 20220059621Abstract: 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: ApplicationFiled: November 5, 2021Publication date: February 24, 2022Inventors: 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: 11233087Abstract: Disclosed is an image sensor including a substrate having a first surface and a second surface opposite to each other, a first photoelectric conversion region and a second photoelectric conversion region in the substrate, a through electrode between the first and second photoelectric conversion regions, an insulation structure on the second surface of the substrate, a first color filter and a second color filter respectively provided on the first and second photoelectric conversion regions, and a photoelectric conversion layer on the insulation structure and electrically connected to the through electrode. The through electrode include a first end adjacent to the first surface and a second end adjacent to the second surface. The first end has a non-planar shape.Type: GrantFiled: February 11, 2020Date of Patent: January 25, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Changhwa Kim, JungHun Kim, Sang-Su Park, Beomsuk Lee, Gang Zhang, Jaesung Hur
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Patent number: 11205683Abstract: An image sensor includes a substrate having a photoelectric conversion element therein, a first insulating layer on the substrate, a contact penetrating through the first insulating layer, a color filter on at least one side of the contact, and a moisture absorption prevention layer in contact with a sidewall of the contact and extending on an upper surface of the color filter.Type: GrantFiled: February 11, 2020Date of Patent: December 21, 2021Inventors: Kwan Sik Kim, Jin Hyung Kim, Chang Hwa Kim, Hong Ki Kim, Sang-Su Park, Beom Suk Lee, Jae Sung Hur
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Patent number: 11177322Abstract: 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: October 22, 2019Date of Patent: November 16, 2021Inventors: 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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Publication number: 20210343790Abstract: An image sensor and a method for fabricating the same are provided. The image sensor includes a substrate including a first surface opposite a second surface that is incident to light, a first photoelectric conversion layer in the substrate, a wiring structure including a plurality of wiring layers on the first surface of the substrate, an interlayer insulating film on the second surface of the substrate, a capacitor structure in the interlayer insulating film, and a first wiring on the interlayer insulating film. The capacitor structure includes a first conductive pattern, a dielectric pattern, and a second conductive pattern sequentially stacked on the second surface of the substrate. The second conductive pattern is connected to the first wiring.Type: ApplicationFiled: July 12, 2021Publication date: November 4, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Min Jun CHOI, Kwan Sik KIM, Chang Hwa KIM, Sang Su PARK, Man Geun CHO
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Patent number: 11063090Abstract: An image sensor and a method for fabricating the same are provided. The image sensor includes a substrate including a first surface opposite a second surface that is incident to light, a first photoelectric conversion layer in the substrate, a wiring structure including a plurality of wiring layers on the first surface of the substrate, an interlayer insulating film on the second surface of the substrate, a capacitor structure in the interlayer insulating film, and a first wiring on the interlayer insulating film. The capacitor structure includes a first conductive pattern, a dielectric pattern, and a second conductive pattern sequentially stacked on the second surface of the substrate. The second conductive pattern is connected to the first wiring.Type: GrantFiled: April 23, 2019Date of Patent: July 13, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Min Jun Choi, Kwan Sik Kim, Chang Hwa Kim, Sang Su Park, Man Geun Cho
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Patent number: 11011562Abstract: An image sensor includes a substrate having a photoelectric conversion element therein, a first via extending into a first surface of the substrate such that a first upper surface of the first via is exposed adjacent the first surface of the substrate, a second upper surface of the first via extending away from the first surface of the substrate, first to third insulating films sequentially stacked on the first surface of the substrate, and a contact extending through the first to third insulating films and into the second upper surface of the first via. The contact includes a first portion within the first via, a second portion in the first insulating film, a third portion in the second insulating film, and a fourth portion in the third insulating film.Type: GrantFiled: May 3, 2019Date of Patent: May 18, 2021Inventors: Changhwa Kim, Kwan Sik Kim, Sang Su Park, Beom Suk Lee, Man Geun Cho, Min Jun Choi
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Patent number: 11004889Abstract: A method of fabricating an image sensor is provided. The method includes comprises forming a deep trench in a semiconductor substrate, performing a first plasma doping process to form a first impurity region a portion of in the semiconductor substrate adjacent to inner sidewalls and a bottom surface of the deep trench, the first impurity region being doped with first impurities of a first conductivity type, and performing an annealing process to diffuse the first impurities from the first impurity region into the semiconductor substrate to form a photoelectric conversion part.Type: GrantFiled: October 21, 2019Date of Patent: May 11, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Su Park, Kwansik Kim, Yoonkyoung Kim, Changhwa Kim, Mangeun Cho, Hyungi Hong
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Patent number: 10943559Abstract: A display driver IC includes a register map, an oscillator, a timing controller, an oscillator scatter, and an intellectual property (IP) block. The register map is configured to store a trim code of a fixed frequency and scatter option information. The oscillator is configured to generate an oscillator clock based on the trim code. The timing controller is configured to generate an internal synchronization signal based on the oscillator clock. The oscillator scatter is configured to output a modified trim code to the oscillator based on the trim code, the scatter option information, and the internal synchronization signal. The intellectual property (IP) block is configured to receive a modified oscillator clock generated in the oscillator based on the modified trim code.Type: GrantFiled: August 13, 2019Date of Patent: March 9, 2021Assignee: MagnaChip Semiconductor, Ltd.Inventor: Sang Su Park
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Publication number: 20200395414Abstract: An image sensor includes a substrate having a photoelectric conversion element therein, a first insulating layer on the substrate, a contact penetrating through the first insulating layer, a color filter on at least one side of the contact, and a moisture absorption prevention layer in contact with a sidewall of the contact and extending on an upper surface of the color filter.Type: ApplicationFiled: February 11, 2020Publication date: December 17, 2020Inventors: Kwan Sik KIM, Jin Hyung KIM, Chang Hwa KIM, Hong Ki KIM, Sang-Su PARK, Beom Suk LEE, Jae Sung HUR
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Publication number: 20200381473Abstract: An image sensor and a method of fabricating the image sensor, the image sensor including a semiconductor substrate having a first floating diffusion region, a molding pattern over the first floating diffusion region and including an opening, a first photoelectric conversion part at a surface of the semiconductor substrate, and a first transfer transistor connecting the first photoelectric conversion part to the first floating diffusion region. The first transfer transistor includes a channel pattern in the opening and a first transfer gate electrode. The channel pattern includes an oxide semiconductor. The channel pattern also includes a sidewall portion that covers a side surface of the opening, and a center portion that extends from the sidewall portion to a region over the first transfer gate electrode.Type: ApplicationFiled: December 11, 2019Publication date: December 3, 2020Inventors: CHANGHWA KIM, KWANSIK KIM, DONGCHAN KIM, SANG-SU PARK, BEOMSUK LEE, TAEYON LEE, HAJIN LIM
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Patent number: 10833129Abstract: Provided is an image sensor, which includes: a first substrate; a first structure on a front surface of the first substrate, the first structure including a first interlayer insulating layer surrounding a first conductive layer; a second substrate; a second structure on a front surface of the second substrate facing the front surface of the first substrate, the second structure including a second interlayer insulating layer, the second interlayer insulating layer being bonded to the first interlayer insulating layer; an organic photoelectric layer on a back surface of the second substrate; and a via electrode structure in contact with the first conductive layer through the second substrate and the second structure, the via electrode structure including an air gap therein.Type: GrantFiled: June 10, 2019Date of Patent: November 10, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Kwan-sik Kim, Chang-hwa Kim, Yoon-Kyoung Kim, Sang-Su Park, Beom-suk Lee, Man-geun Cho, Min-jun Choi
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Patent number: 10796661Abstract: A display driver IC which adjusts an oscillator frequency is provided. The display driver IC includes: a register map which stores a trim code, a window size, compensation information, and a compensation option; an oscillator which generates an oscillator clock based on the trim code; a timing controller which generates an internal synchronization signal based on the oscillator clock; a DSI block which outputs a first data valid signal which is activated based on a data clock and image data packet update; and a frequency compensating block which compares a periodic value of the oscillator clock calculated based on the data clock and the internal synchronization signal with a target periodic value and generates a compensation trim code obtained by compensating the trim code based on the compensation option, in accordance with the first data valid signal.Type: GrantFiled: September 16, 2019Date of Patent: October 6, 2020Assignee: MagnaChip Semiconductor, Ltd.Inventor: Sang Su Park
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Patent number: 10784314Abstract: The present invention relates to image sensors and method of manufacturing the same. The image sensor may include a substrate having pixel regions in which photoelectric-conversion devices and storage node regions spaced apart from each other; a lower contact via between the photoelectric conversion-devices in the pixel regions; a first insulating layer on the lower contact via and having an opening; an upper contact via electrically connected to the lower contact via through the first insulating layer and protruding from the first insulating layer; a second insulating layer surrounding the first insulating layer and the upper contact via, an upper surface of the second insulating layer in the opening defining a trench; a color filter filling the trench; a protective film exposing the upper contact via; a first transparent electrode on the protective film that contacts the upper contact via; and an organic photoelectric layer on the first transparent electrode.Type: GrantFiled: August 29, 2019Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Hyun Yoo, Eun Mi Kim, Joon Kim, Chang Hwa Kim, Sang Su Park, Kyung Rae Byun, Sang Hoon Song
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Publication number: 20200219914Abstract: An image sensor and a method of fabricating the same, the image sensor including a semiconductor substrate having a first surface and a second surface facing each other; a first photoelectric conversion part disposed on the second surface of the semiconductor substrate; a first floating diffusion region provided in the semiconductor substrate adjacent to the first surface; a first interlayered insulating layer covering the first surface; a first channel pattern on the first interlayered insulating layer; and a first transfer gate electrode disposed adjacent to the first channel pattern and that controls transfer of charge generated in the first photoelectric conversion part to the first floating diffusion region through the first channel pattern.Type: ApplicationFiled: October 1, 2019Publication date: July 9, 2020Inventors: CHANGHWA KIM, KWANSIK KIM, YOONKYOUNG KIM, SANG-SU PARK, BEOMSUK LEE, TAEYON LEE, MIN-JUN CHOI
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Publication number: 20200219928Abstract: A method of fabricating an image sensor is provided. The method includes comprises forming a deep trench in a semiconductor substrate, performing a first plasma doping process to form a first impurity region a portion of in the semiconductor substrate adjacent to inner sidewalls and a bottom surface of the deep trench, the first impurity region being doped with first impurities of a first conductivity type, and performing an annealing process to diffuse the first impurities from the first impurity region into the semiconductor substrate to form a photoelectric conversion part.Type: ApplicationFiled: October 21, 2019Publication date: July 9, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: SANG-SU PARK, Kwansik Kim, Yoonkyoung Kim, Changhwa Kim, Mangeun Cho, Hyungi Hong
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Patent number: 10679121Abstract: A neuromorphic device includes a synapse. The synapse includes a first electrode, a second electrode spaced apart from the first electrode, an oxygen-containing layer disposed between the first electrode and the second electrode, the oxygen-containing layer including oxygen ions, and a stack structure disposed between the oxygen-containing layer and the second electrode, the stack structure including a plurality of reactive metal layers alternately arranged with a plurality of oxygen diffusion-retarding layers. The plurality of reactive metal layers are capable of reacting with oxygen ions of the oxygen-containing layer. The plurality of oxygen diffusion-retarding layers interfere with a movement of the oxygen ions from the oxygen-containing layer to the plurality of reactive metal layers.Type: GrantFiled: December 22, 2016Date of Patent: June 9, 2020Assignee: SK hynix Inc.Inventors: Sang-Su Park, Hyung-Dong Lee
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Patent number: 10679122Abstract: A neuromorphic device includes a substrate; a first electrode and a second electrode that are disposed over the substrate, extend in a first direction, and are spaced apart in a second direction; a stack structure between the first electrode and the second electrode, which includes reactive metal layers alternately stacked with one or more insulating layers; an oxygen-containing layer between the first electrode and the stack structure, which includes oxygen ions; and an oxygen diffusion-retarding layer between the stack structure and the oxygen-containing layer. The first direction is perpendicular to a top surface of the substrate, and the second direction is parallel to the top surface of the substrate. Each reactive metal layer may react with the oxygen ions to form a dielectric oxide layer. The oxygen diffusion-retarding layer interferes with a movement of the oxygen ions. A thickness of the oxygen diffusion-retarding layer varies along the first direction.Type: GrantFiled: December 29, 2016Date of Patent: June 9, 2020Assignee: SK hynix Inc.Inventors: Sang-Su Park, Hyung-Dong Lee
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Publication number: 20200176504Abstract: Disclosed is an image sensor including a substrate having a first surface and a second surface opposite to each other, a first photoelectric conversion region and a second photoelectric conversion region in the substrate, a through electrode between the first and second photoelectric conversion regions, an insulation structure on the second surface of the substrate, a first color filter and a second color filter respectively provided on the first and second photoelectric conversion regions, and a photoelectric conversion layer on the insulation structure and electrically connected to the through electrode. The through electrode include a first end adjacent to the first surface and a second end adjacent to the second surface. The first end has a non-planar shape.Type: ApplicationFiled: February 11, 2020Publication date: June 4, 2020Inventors: Changhwa KIM, JungHun KIM, Sang-Su PARK, Beomsuk LEE, Gang ZHANG, Jaesung HUR