Patents by Inventor Min Keum
Min Keum 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: 20240088774Abstract: An apparatus configured to measure a load current provided to a load of a switching converter includes a pulse generation circuit configured to generate a control pulse based on a power switch driving signal of the switching converter, a reference current generation circuit configured to generate a reference current based on the control pulse, a clock generation circuit configured to generate a clock signal based on the control pulse and the reference current, and a clock counter configured to count the number of cycles of the clock signal during a switching period of the switching converter. The reference current generation circuit is configured to adjust the reference current to compensate for a leakage current generated in the clock generation circuit during the switching period.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Min Sang PARK, Dongjin KEUM, Byoungmook KIM
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Patent number: 11881642Abstract: An antenna apparatus includes a dielectric layer; a patch antenna pattern disposed on an upper surface of the dielectric layer and including an upper surface having a polygonal shape, a plurality of feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern, and a plurality of feed patterns respectively electrically connected to an upper end of a corresponding feed via, among the plurality of feed vias, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein the polygonal shape of the patch antenna pattern has a structure in which the first side and a third side between the first and second sides form an obtuseType: GrantFiled: September 16, 2020Date of Patent: January 23, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki Kim, Jeong Ki Ryoo, Won Cheol Lee, Jae Min Keum, Dong Ok Ko, Shin Haeng Heo
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Patent number: 11843882Abstract: An image sensor includes two or more phase-difference detection pixels disposed adjacent to each other, a plurality of general pixels spaced apart from the phase-difference detection pixels, first and second peripheral pixels, and first to third light shields. The first and second peripheral pixels are adjacent to the phase-difference detection pixels, and between the phase-difference detection pixels and the general pixels. The first light shield is disposed in one of the general pixels and has a first width. The second light shield extends into the first peripheral pixel from a first area between the phase-difference detection pixels and the first peripheral pixel, and has a second width different from the first width. The third light shield extends into the second peripheral pixel from a second area between the phase-difference detection pixels and the second peripheral pixel, and has a third width different from the first width.Type: GrantFiled: August 19, 2021Date of Patent: December 12, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Sub Jung, Dong Min Keum, Bum Suk Kim, Jung Saeng Kim, Jong Hoon Park, Min Jang
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Patent number: 11777219Abstract: An antenna apparatus includes a dielectric layer; a patch antenna pattern disposed on an upper surface of the dielectric layer and including an upper surface having a polygonal shape, a plurality of feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern, and a plurality of feed patterns respectively electrically connected to an upper end of a corresponding feed via, among the plurality of feed vias, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein the polygonal shape of the patch antenna pattern has a structure in which the first side and a third side between the first and second sides form an obtuseType: GrantFiled: April 22, 2020Date of Patent: October 3, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki Kim, Jeong Ki Ryoo, Won Cheol Lee, Jae Min Keum, Dong Ok Ko, Shin Haeng Heo
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Patent number: 11764483Abstract: An antenna apparatus includes a ground plane, a patch antenna pattern disposed on an upper surface of the ground plane, a feed via penetrating the ground plane and spaced apart from the patch antenna pattern, and a coiled feed pattern electrically connected to an upper end of the feed via, spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled, wherein the patch antenna pattern includes an aperture portion corresponding to the coiled feed pattern.Type: GrantFiled: June 29, 2020Date of Patent: September 19, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Won Cheol Lee, Jeong Ki Ryoo, Nam Ki Kim, Jae Min Keum, Dong Ok Ko, Shin Haeng Heo
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Patent number: 11670857Abstract: An antenna apparatus includes a first patch antenna pattern comprising a through-hole, a second patch antenna pattern disposed above the first patch antenna pattern and spaced apart from the first patch antenna pattern, a first feed via electrically connected to the first patch antenna pattern, a second feed via penetrating through the through-hole of the first patch antenna pattern, and a feed pattern disposed between the first patch antenna pattern and the second patch antenna pattern, and having one end connected to the second feed via, and another end connected to the second patch antenna pattern at a point closer to an edge of the second patch antenna pattern than the second feed.Type: GrantFiled: September 13, 2021Date of Patent: June 6, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Won Cheol Lee, Nam Ki Kim, Jae Min Keum, Jeong Ki Ryoo
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Publication number: 20220336513Abstract: An image sensor includes different first and second focus pixels in a substrate; a first adjacent pixel in the substrate and adjacent to the first focus pixel in a positive first direction, a pixel being absent between the first focus pixel and the first adjacent pixel; a first micro-lens covering the first adjacent pixel; a second adjacent pixel in the substrate and adjacent to the second focus pixel in a positive first direction, a pixel being absent between the second focus pixel and the second adjacent pixel; and a second micro-lens covering the second adjacent pixel, and an area of the first micro-lens being different from an area of the second micro-lens.Type: ApplicationFiled: December 14, 2021Publication date: October 20, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Tae Han KIM, Dong Min KEUM, Bum Suk KIM, Yun Ki LEE
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Publication number: 20220285415Abstract: An image sensor that provides a uniform sensitivity for pixels having color filters of the same color to increase the image quality is provided. The image sensor includes a substrate, a first grid pattern disposed on the substrate and including a first side wall and a second side wall opposite to the first side wall, a first pixel including a first photoelectric conversion element and a first color filter, and a second pixel including a second photoelectric conversion element and a second color filter. The first color filter contacts the first side wall and the second color filter contacts the second side wall. The first color filter and the second color filter are color filters of same color, and a first thickness of the first color filter is greater than a second thickness of the second color filter.Type: ApplicationFiled: November 2, 2021Publication date: September 8, 2022Inventors: Dong Min Keum, Yun Ki Lee, Jun Sung Park, Dong Kyu Lee, Bum Suk Kim, Kwang Hee Lee, Tae Sung Lee
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Publication number: 20220216257Abstract: An image sensor includes a substrate including a first surface on which light is incident and a second surface opposite to the first surface, unit pixels in the substrate, each including a photoelectric conversion layer, color filters on the first surface of the substrate, a grid pattern on the first surface of the substrate defining a respective light receiving area of each of the unit pixels, and microlenses on the color filters, each of the microlenses corresponding to a respective one of the unit pixels, wherein the unit pixels include a first pixel and a second pixel sharing a first color filter which is one of the color filters, and a first light receiving area of the first pixel is different from a second light receiving area of the second pixel.Type: ApplicationFiled: September 23, 2021Publication date: July 7, 2022Applicant: SAMSUNG ELECTRONICS CO.,LTD.Inventors: Dong Kyu LEE, Dong Min Keum, Jun Sung Park, Bum Suk Kim, Tae Han Kim, Kwang Hee Lee, Tae Sung Lee
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Patent number: 11336022Abstract: An antenna apparatus includes a ground layer, patch antenna patterns, feed vias, ring-type meta patterns, and coupling-type meta patterns. The ground layer has one or more through-holes. Patch antenna patterns are each disposed above the ground layer. Feed vias are disposed to penetrate through the one or more through-holes, and electrically connect to the patch antenna patterns, respectively. Ring-type meta patterns are arranged between the patch antenna patterns. Coupling-type meta patterns are alternately arranged between the patch antenna patterns in fewer numbers than the ring-type meta patterns in positions more distant from the patch antenna patterns than positions in which the ring-type meta patterns are arranged.Type: GrantFiled: October 28, 2020Date of Patent: May 17, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki Kim, Dae Ki Lim, Jeong Ki Ryoo, Ju Hyoung Park, Jae Min Keum, Myeong Woo Han
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Publication number: 20210408687Abstract: An antenna apparatus includes a first patch antenna pattern comprising a through-hole, a second patch antenna pattern disposed above the first patch antenna pattern and spaced apart from the first patch antenna pattern, a first feed via electrically connected to the first patch antenna pattern, a second feed via penetrating through the through-hole of the first patch antenna pattern, and a feed pattern disposed between the first patch antenna pattern and the second patch antenna pattern, and having one end connected to the second feed via, and another end connected to the second patch antenna pattern at a point closer to an edge of the second patch antenna pattern than the second feed.Type: ApplicationFiled: September 13, 2021Publication date: December 30, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Won Cheol LEE, Nam Ki KIM, Jae Min KEUM, Jeong Ki RYOO
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Publication number: 20210385400Abstract: An image sensor includes two or more phase-difference detection pixels disposed adjacent to each other, a plurality of general pixels spaced apart from the phase-difference detection pixels, first and second peripheral pixels, and first to third light shields. The first and second peripheral pixels are adjacent to the phase-difference detection pixels, and between the phase-difference detection pixels and the general pixels. The first light shield is disposed in one of the general pixels and has a first width. The second light shield extends into the first peripheral pixel from a first area between the phase-difference detection pixels and the first peripheral pixel, and has a second width different from the first width. The third light shield extends into the second peripheral pixel from a second area between the phase-difference detection pixels and the second peripheral pixel, and has a third width different from the first width.Type: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Inventors: TAE SUB JUNG, DONG MIN KEUM, BUM SUK KIM, JUNG SAENG KIM, JONG HOON PARK, MIN JANG
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Patent number: 11158948Abstract: An antenna apparatus includes a first patch antenna pattern comprising a through-hole, a second patch antenna pattern disposed above the first patch antenna pattern and spaced apart from the first patch antenna pattern, a first feed via electrically connected to the first patch antenna pattern, a second feed via penetrating through the through-hole of the first patch antenna pattern, and a feed pattern disposed between the first patch antenna pattern and the second patch antenna pattern, and having one end connected to the second feed via, and another end connected to the second patch antenna pattern at a point closer to an edge of the second patch antenna pattern than the second feed.Type: GrantFiled: November 4, 2019Date of Patent: October 26, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Won Cheol Lee, Nam Ki Kim, Jae Min Keum, Jeong Ki Ryoo
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Publication number: 20210249791Abstract: An antenna apparatus may include: a feed line; a ground plane disposed around a portion of the feed line; a feed via electrically connected to the feed line; a first end-fire antenna pattern disposed in front of the ground plane to be spaced apart from the ground plane, and electrically connected to the feed via; a second end-fire antenna pattern electrically connected to the feed line and disposed farther forward than the first end-fire antenna pattern; and a third end-fire antenna pattern electrically connected to the feed via, and disposed in front of the first end-fire antenna pattern in such a manner that a portion of the third end-fire antenna pattern overlaps the second end-fire antenna pattern.Type: ApplicationFiled: April 30, 2021Publication date: August 12, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki KIM, Jae Min KEUM, Won Cheol LEE, Dae Ki LIM, Eun Young JUNG, Jeong Ki RYOO
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Publication number: 20210242604Abstract: An antenna apparatus includes a ground plane, a patch antenna pattern disposed on an upper surface of the ground plane, a feed via penetrating the ground plane and spaced apart from the patch antenna pattern, and a coiled feed pattern electrically connected to an upper end of the feed via, spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled, wherein the patch antenna pattern includes an aperture portion corresponding to the coiled feed pattern.Type: ApplicationFiled: June 29, 2020Publication date: August 5, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Won Cheol LEE, Jeong Ki RYOO, Nam Ki KIM, Jae Min KEUM, Dong Ok KO, Shin Haeng HEO
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Publication number: 20210242590Abstract: An antenna apparatus includes a dielectric layer; a patch antenna pattern disposed on an upper surface of the dielectric layer and including an upper surface having a polygonal shape, a plurality of feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern, and a plurality of feed patterns respectively electrically connected to an upper end of a corresponding feed via, among the plurality of feed vias, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein the polygonal shape of the patch antenna pattern has a structure in which the first side and a third side between the first and second sides form an obtuseType: ApplicationFiled: April 22, 2020Publication date: August 5, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki KIM, Jeong Ki RYOO, Won Cheol LEE, Jae Min KEUM, Dong Ok KO, Shin Haeng HEO
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Publication number: 20210242591Abstract: An antenna apparatus includes a dielectric layer; a patch antenna pattern disposed on an upper surface of the dielectric layer and including an upper surface having a polygonal shape, a plurality of feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern, and a plurality of feed patterns respectively electrically connected to an upper end of a corresponding feed via, among the plurality of feed vias, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein the polygonal shape of the patch antenna pattern has a structure in which the first side and a third side between the first and second sides form an obtuseType: ApplicationFiled: September 16, 2020Publication date: August 5, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki KIM, Jeong Ki RYOO, Won Cheol LEE, Jae Min KEUM, Dong Ok KO, Shin Haeng HEO
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Patent number: 11024982Abstract: An antenna apparatus may include: a feed line; a ground plane disposed around a portion of the feed line; a feed via electrically connected to the feed line; a first end-fire antenna pattern disposed in front of the ground plane to be spaced apart from the ground plane, and electrically connected to the feed via; a second end-fire antenna pattern electrically connected to the feed line and disposed farther forward than the first end-fire antenna pattern; and a third end-fire antenna pattern electrically connected to the feed via, and disposed in front of the first end-fire antenna pattern in such a manner that a portion of the third end-fire antenna pattern overlaps the second end-fire antenna pattern.Type: GrantFiled: October 17, 2019Date of Patent: June 1, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki Kim, Jae Min Keum, Won Cheol Lee, Dae Ki Lim, Eun Young Jung, Jeong Ki Ryoo
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Publication number: 20210050670Abstract: An antenna apparatus includes a ground layer, patch antenna patterns, feed vias, ring-type meta patterns, and coupling-type meta patterns. The ground layer has one or more through-holes. Patch antenna patterns are each disposed above the ground layer. Feed vias are disposed to penetrate through the one or more through-holes, and electrically connect to the patch antenna patterns, respectively. Ring-type meta patterns are arranged between the patch antenna patterns. Coupling-type meta patterns are alternately arranged between the patch antenna patterns in fewer numbers than the ring-type meta patterns in positions more distant from the patch antenna patterns than positions in which the ring-type meta patterns are arranged.Type: ApplicationFiled: October 28, 2020Publication date: February 18, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Nam Ki KIM, Dae Ki LIM, Jeong Ki RYOO, Ju Hyoung PARK, Jae Min KEUM, Myeong Woo HAN
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Publication number: 20200404203Abstract: An image sensor includes two or more phase-difference detection pixels disposed adjacent to each other, a plurality of general pixels spaced apart from the phase-difference detection pixels, first and second peripheral pixels, and first to third light shields. The first and second peripheral pixels are adjacent to the phase-difference detection pixels, and between the phase-difference detection pixels and the general pixels. The first light shield is disposed in one of the general pixels and has a first width. The second light shield extends into the first peripheral pixel from a first area between the phase-difference detection pixels and the first peripheral pixel, and has a second width different from the first width. The third light shield extends into the second peripheral pixel from a second area between the phase-difference detection pixels and the second peripheral pixel, and has a third width different from the first width.Type: ApplicationFiled: September 1, 2020Publication date: December 24, 2020Inventors: TAE SUB JUNG, DONG MIN KEUM, BUM SUK KIM, JUNG SAENG KIM, JONG HOON PARK, MIN JANG