公开(公告)号：US12015151B2

公开(公告)日：2024-06-18

申请号：US17748307

申请日：2022-05-19

Applicant: Samsung Electronics Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Donghee Yeon ,  Byoungwoo Kang ,  Junghwa Lee ,  Byungjin Choi ,  Sukgi Hong ,  Jinsu Ha

IPC: H01M4/505 ,  H01M4/02 ,  H01M4/04 ,  H01M4/1391 ,  H01M4/36 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M4/505 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/362 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/028

Abstract: A composite positive active material represented by Formula 1,

LiaNibCOcMndMeO2  Formula 1

wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0

公开(公告)号：US11955631B2

公开(公告)日：2024-04-09

申请号：US16358795

申请日：2019-03-20

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Dongwook Shin ,  Sukgi Hong ,  Jinhwan Park ,  Byungjin Choi

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M4/525 ,  C01G53/44 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M10/0525 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/90 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028

Abstract: A composite cathode active material, a cathode and a lithium battery each including the composite cathode active material, and a method of manufacturing the composite cathode active material. The composite cathode active material includes a core including a plurality of primary particles, and a shell disposed on the core, wherein a primary particle of the plurality of primary particles includes a lithium nickel transition metal oxide, the shell includes a first composition and a second composition, wherein the first composition contains a first metal and the second composition contains a second metal, wherein the first metal includes a metal of Groups 2, 4, 5, and 7 to 15, the second metal includes a metal of Group 3, and the first composition includes a first phase and the second composition includes a second phase that is distinguishable from the first phase.

公开(公告)号：US11901634B2

公开(公告)日：2024-02-13

申请号：US17668540

申请日：2022-02-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woosup Lee ,  Youngsuk Yoo ,  Sukgi Hong ,  Dongyeon Kim

IPC: H01Q21/06 ,  H01Q5/25 ,  H01Q21/00

CPC classification number: H01Q21/065 ,  H01Q5/25 ,  H01Q21/0006

Abstract: An electronic device is provided, which includes an FPCB, wherein the FPCB includes a first portion in which an antenna is provided in the form of a patch antenna that overlaps a metal member, a second portion coupled to a connector of the circuit board, and a third portion arranged between the first portion and the second portion. A layered structure of the FPCB may include a dielectric material having a first thickness in the first portion overlapping the metal member and having a second thickness smaller than the first thickness in the second portion and the third portion, a first conductive layer provided in the first direction from the dielectric material, and an intermediate conductive layer provided in a second direction opposite to the first direction, from the dielectric material. The intermediate conductive layer may be provided only in the second portion and the third portion and may not be provided in the first portion. A portion of the dielectric material in the first portion can be arranged to face the metal member.

公开(公告)号：US20230052144A1

公开(公告)日：2023-02-16

申请号：US17966410

申请日：2022-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yi YANG ,  Moonseok Kang ,  Hyunchul Kim ,  Muyeol Lee ,  Sehwan Choi ,  Sukgi Hong

IPC: G06F1/3209 ,  G06F1/3296

Abstract: According to various example embodiments of the present invention, an electronic device may comprise: a sensor module; a first communication circuit supporting a first communication scheme; a low-power processor; and a processor operatively connected to the sensor module, the first communication circuit, and the low-power processor, wherein the first communication circuit transmits a request signal related to a state of the electronic device to the low-power processor on the basis of distance measurement-related information provided from the processor, receives information related to the state of the electronic device from the low-power processor in response to the request signal, and measures a distance to an external electronic device on the basis of the information related to the state of the electronic device. Other embodiments may also be possible.

公开(公告)号：US11445468B2

公开(公告)日：2022-09-13

申请号：US16932976

申请日：2020-07-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yi Yang ,  Moonseok Kang ,  Hyunchul Kim ,  Jonghoon Jang ,  Sehwan Choi ,  Sukgi Hong

IPC: H04W64/00 ,  H04W4/029 ,  G01S3/50 ,  H04B17/318 ,  H04L43/08

Abstract: Provided is an electronic device that may include: an ultra wide band (UWB) communication module; a plurality of antennas; and a processor operatively connected to the UWB communication module. The UWB communication module may be configured to: receive first data of an UWB data frame from an external electronic device by using a first antenna set including at least two antennas among the plurality of antennas to measure a first angle of arrival (AOA); receive second data of the UWB data frame by using a second antenna set including at least two antennas among the plurality of antennas to measure a second AOA, where the second antenna set is configured during a section of the UWB data frame that does not include data; and measure the direction of the external electronic device by using the first AOA and the second AOA. It is possible to provide various other embodiments.

公开(公告)号：US11183681B2

公开(公告)日：2021-11-23

申请号：US16504747

申请日：2019-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Sukgi Hong ,  Dongwook Shin ,  Byongyong Yu ,  Jinhwan Park ,  Jayhyok Song ,  Donghee Yeon ,  Byungjin Choi ,  Jinsu Ha ,  Dongjin Ham

IPC: H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/139

Abstract: A composite cathode active material includes a secondary particle; and a coating on a surface of the secondary particle, wherein the secondary particle comprises a plurality of primary particles, and the plurality of primary particles include a lithium nickel transition metal oxide having a layered crystal structure; and a grain boundary between primary particles of the plurality of primary particles, the grain boundary including a lithium metal oxide having a crystal structure different from the lithium nickel transition metal oxide having a layered crystal structure, wherein the coating on the surface of the secondary particle includes a metal oxide including cobalt, and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.

公开(公告)号：US10468686B2

公开(公告)日：2019-11-05

申请号：US15403583

申请日：2017-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Kwangjin Park ,  Junho Park ,  Sukgi Hong ,  Byungjin Choi

IPC: H01M4/505 ,  H01M4/62 ,  H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  C01B25/45 ,  C01G25/00 ,  C01G53/00 ,  H01M4/02 ,  H01M10/052

Abstract: A composite cathode active material for a lithium battery, the composite cathode active material including: a lithium composite oxide; and a coating layer disposed on at least a portion of the lithium composite oxide and including a composite including ZrP2O7 and LiZr2(PO4)3, wherein the composite including ZrP2O7 and LiZr2(PO4)3 is a reaction product of an acid treated a zirconium precursor, a phosphorus precursor, and the lithium composite oxide.

公开(公告)号：US11997564B2

公开(公告)日：2024-05-28

申请号：US18317638

申请日：2023-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunchul Kim ,  Yi Yang ,  Moonseok Kang ,  Sukgi Hong ,  Jiho Shin ,  Jonghoon Jang

IPC: H04W4/02 ,  H04B1/7163 ,  H04B7/0404

CPC classification number: H04W4/023 ,  H04B1/7163 ,  H04B7/0404

Abstract: Example embodiments include an electronic device and a method for operating an electronic device. The electronic device includes an ultra-wide band (UWB) antenna including directional antennas disposed on a rear surface of the electronic device and at least one omnidirectional antenna. The electronic device further includes a communication circuit configured to transmit and/or receive radio frequency (RF) signals of a frequency band designated to be used for UWB communication, through the UWB antenna, with an external electronic device. The electronic device further includes a processor configured to calculate a first distance value and a second distance value, and to determine, based on a distance difference between the first distance value and the second distance value, whether the external electronic device exists within a field of view (FoV) indicating a specified angular range with respect to the direction to which the rear surface faces.

公开(公告)号：US11982733B2

公开(公告)日：2024-05-14

申请号：US16980735

申请日：2020-09-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sehwan Choi ,  Sukgi Hong ,  Hyunchul Kim ,  Yi Yang ,  Sungjun Lim ,  Jungsik Park ,  Hyunju Hong

IPC: H04B7/04 ,  G01S13/76 ,  H01Q21/30 ,  H04B1/00

CPC classification number: G01S13/765 ,  H01Q21/30

Abstract: A portable electronic device is disclosed that includes a communication circuit electrically connected to a first antenna or a third antenna and electrically connected to a second antenna, at least one processor, and a memory. The memory may store one or more instructions that, when executed, cause the at least one processor to receive a first signal including first data from an external electronic device using the first antenna and the second antenna, receive a second signal including second data from the external electronic device using the third antenna, and determine a position of the external electronic device based on a phase difference of the first signal, time information of the first data, and time information of the second data. In addition to the above, various embodiments understood through the present disclosure are possible.

公开(公告)号：US11909032B2

公开(公告)日：2024-02-20

申请号：US16504620

申请日：2019-07-08

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Sukgi Hong ,  Byongyong Yu ,  Donghee Yeon ,  Byungjin Choi

IPC: H01M4/00 ,  H01M4/36 ,  C01G53/04 ,  C01G53/00 ,  H01M4/525 ,  H01M4/62 ,  H01M4/02

CPC classification number: H01M4/366 ,  C01G53/04 ,  C01G53/50 ,  H01M4/525 ,  H01M4/628 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/04 ,  C01P2006/40 ,  H01M2004/028

Abstract: A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.