Patents by Inventor In-Chul Hwang

In-Chul Hwang 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: 20210005603
    Abstract: A semiconductor device includes a first active pattern extending lengthwise along a first direction and a second active pattern extending lengthwise along the first direction and spaced apart from the first active pattern in the first direction. The device also includes a field insulating film between the first active pattern and the second active pattern. An upper surface of the field insulating film is lower than or coplanar with upper surfaces of the first and second active patterns. The device further includes an element isolation structure in an isolation trench in the first active pattern and the field insulating film. An upper surface of the element isolation structure is higher than the upper surfaces of the first and second active patterns.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Inventors: Sang Min YOO, Ju Youn KIM, Hyung Joo NA, Bong Seok SUH, Joo Ho JUNG, Eui Chul HWANG, Sung Moon LEE
  • Patent number: 10867645
    Abstract: A memory device includes a plurality of latches arranged in a plurality of columns including a first column and a second column and in a plurality of rows, a first flip flop configured to output first data, to first latches arranged in the first column, among the plurality of latches, based on a clock, and a second flip flop configured to output second data, to second latches arranged in the second column, among the plurality of latches, based on the clock. The first flip flop is further configured to, in a lock time section in which the first latches and the second latches maintain an output regardless of an input, block output of the first data to the first latches, and the second flip flop is further configured to, in the lock time section, block output of the second data to the second latches.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: December 15, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-shin Yoo, Min-su Kim, Hyun-chul Hwang
  • Publication number: 20200381723
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a lithium metal oxide particle containing nickel (Ni) and manganese (Mn), an anode formed from an anode active material containing a graphite-based material having a crystal interplanar distance (d002) of 3.356 to 3.365 ?, and a separator interposed between the cathode and the anode. The lithium metal oxide particle includes a concentration gradient region formed between a center of the particle and a surface of the particle, and a ratio of a concentration (atomic %) of Ni with respect to a concentration (atomic %) of Mn at the surface of the lithium metal oxide particle is 0.29 or more and less than 6.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventors: Duck Chul HWANG, Kyung Bin YOO, Kook Hyun HAN
  • Publication number: 20200373557
    Abstract: A lithium secondary battery comprises a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 26, 2020
    Inventors: Duck Chul HWANG, Kyung Bin YOO, Kook Hyun HAN
  • Publication number: 20200374627
    Abstract: An electronic device comprising: a microphone array including at least three microphones; and at least one processor configured to: identify a kind of an application that is executed; activate one or more of the microphones in the array based on each microphone's respective position within the electronic device and the type of the application; and capture audio using the activated microphones.
    Type: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Inventors: Jong Mo KEUM, Min Ho BAE, Jung Yeol AN, Gang Youl KIM, Jun Tai KIM, Jae Mo YANG, Nam Il LEE, Ho Chul HWANG
  • Patent number: 10849128
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). There is provided a method for operating a base station in a wireless communication system including receiving first feedback information indicating a first preferred beam from a first terminal and second feedback information indicating a second preferred beam from a second terminal, allocating to the second terminal the first preferred beam as a non-preferred beam of the second terminal, and transmitting first data to the first terminal and second data to the second terminal using the first preferred beam as a preferred beam of the first terminal and the non-preferred beam of the second terminal.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Balg Eum Choe, Hyo Yol Park, Keun Chul Hwang
  • Publication number: 20200365885
    Abstract: Provided is a lithium secondary battery containing a cathode active material capable of preventing decreases in power and cycle life occurring at the time of adding a sulfur based additive used in order to improve high-temperature storage characteristics to an electrolyte.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Inventors: Duck Chul HWANG, Kyung Bin YOO, Kook Hyun HAN
  • Patent number: 10840508
    Abstract: Provided is a secondary battery, specifically, a secondary battery having excellent stability and improved output characteristic and low temperature characteristic by including a cathode active material in which at least one of metals forming the cathode active material has a concentration gradient in an entire region from a central portion up to a surface portion; and a conductive material mixture in which carbon nanotube is mixed with carbon black at an appropriate ratio, the carbon black being a spherical nanoparticle.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: November 17, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Jin-Sub Lim, Kook-Hyun Han, Duck-Chul Hwang
  • Publication number: 20200328414
    Abstract: A lithium secondary battery includes a cathode formed of a cathode active material including a lithium metal oxide particle having a concentration gradient, and a coating formed on the lithium metal oxide particle, the coating including aluminum, titanium and zirconium, an anode, and a separator interposed between the cathode and the anode. The cathode active material includes 2,000 ppm to 4,000 ppm of aluminum, 4,000 ppm to 9,000 ppm of titanium and 400 ppm to 700 ppm of zirconium, based on the total weight of the cathode active material. The performance of the secondary battery may be maintained under a high temperature condition.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Inventors: Kyung Bin YOO, Duck Chul HWANG
  • Publication number: 20200329293
    Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage forme
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Inventors: Young-Bae PARK, Byoung-Hee LEE, Jae-Hee YOU, Tae-Eon KIM, Han-Bom PARK, Sun-Young LEE, Byoung-Uk YOON, Kyung-Hee LEE, Ho-Chul HWANG
  • Patent number: 10804265
    Abstract: A semiconductor device includes a first active pattern extending lengthwise along a first direction and a second active pattern extending lengthwise along the first direction and spaced apart from the first active pattern in the first direction. The device also includes a field insulating film between the first active pattern and the second active pattern. An upper surface of the field insulating film is lower than or coplanar with upper surfaces of the first and second active patterns. The device further includes an element isolation structure in an isolation trench in the first active pattern and the field insulating film. An upper surface of the element isolation structure is higher than the upper surfaces of the first and second active patterns.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Min Yoo, Ju Youn Kim, Hyung Joo Na, Bong Seok Suh, Joo Ho Jung, Eui Chul Hwang, Sung Moon Lee
  • Patent number: 10802643
    Abstract: An electronic device is provided. The electronic device includes a display including a touch sensor and a display panel, a fingerprint sensor included in the display or disposed on a rear surface of the display, and at least one processor electrically connected with the display and the fingerprint sensor. The at least one processor controls an operation of the touch sensor or lowers a frequency of an operating signal of the touch sensor in response to a specified event, activates the fingerprint sensor, and captures a fingerprint image from the fingerprint sensor.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyung Park, Seung Geol Baek, Chi Hyun Cho, Moon Soo Kim, Yun Jang Jin, Ho Chul Hwang
  • Publication number: 20200313298
    Abstract: Disclosed is a patch antenna, which is formed so that the upper surface of a dielectric layer has a wider area than the lower surface thereof and is mounted on a printed circuit board to form an air gap, thus maximizing antenna performance while implementing lightweight. The disclosed patch antenna includes a dielectric layer, a radiation patch formed on the upper surface of the dielectric layer, and a lower patch formed on the lower surface of the dielectric layer; and the dielectric layer is formed so that an area of the upper surface is wider than an area of the lower surface to form an air gap between the printed circuit board and the dielectric layer.
    Type: Application
    Filed: June 2, 2017
    Publication date: October 1, 2020
    Inventors: Chul HWANG, In-Jo JEONG, Sang-O KIM, Hyun-Woo OH, Dong-Hwan KOH, Won-Hee LEE, Tae-Byung PARK, Gi-Cho KANG, Keun-Ho BAEK
  • Patent number: 10785465
    Abstract: A head mounted display device includes a display unit divided into at least one first area and at least one second area, a lens unit which supplies an image displayed on the display unit to a user, and a frame which fixes the display unit and the lens unit thereto. The display unit includes a memory which stores first compensation data corresponding to the first area and second compensation data corresponding to the second area, and a position determiner which determines whether first data supplied from an outside belong to the first area or the second area.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Seuk Yoo, Eun Ho Lee, Hyung Jin Kim, Hyun Dae Lee, Woo Seok Han, Hee Chul Hwang
  • Patent number: 10756331
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 25, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Duck Chul Hwang, Kyung Bin Yoo, Kook Hyun Han
  • Patent number: 10743103
    Abstract: An electronic device comprising: a microphone array including at least three microphones; and at least one processor configured to: identify a kind of an application that is executed; activate one or more of the microphones in the array based on each microphone's respective position within the electronic device and the type of the application; and capture audio using the activated microphones.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Mo Keum, Min Ho Bae, Jung Yeol An, Gang Youl Kim, Jun Tai Kim, Jae Mo Yang, Nam Il Lee, Ho Chul Hwang
  • Patent number: 10734643
    Abstract: Provided is a lithium secondary battery containing a cathode active material capable of preventing decreases in power and cycle life occurring at the time of adding a sulfur based additive used in order to improve high-temperature storage characteristics to an electrolyte.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 4, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Duck Chul Hwang, Kyung Bin Yoo, Kook Hyun Han
  • Patent number: 10726715
    Abstract: Provided are an electronic device and method for performing an operation based on proximity of an external object with respect to the electronic device. In an embodiment, an electronic device includes a plurality of sensors including first, second, and third sensor sets. A processor configured to determine a proximity state of an external object using the first sensor set, wherein the proximity state indicates whether the external object exists near the electronic device and includes a first proximity state and a second proximity state. In response to the external object being in the first proximity state, determine a detailed proximity state of the external object using the second sensor set, and in response to the external object being in the second proximity state, determine the detailed proximity state of the external object with respect to the electronic device using the third sensor set.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Chul Hwang, Moon-Soo Kim, Dong-Ho Jang, Min-Jung Kim, Yo-Han Lee, Chi-Hyun Cho
  • Patent number: D888695
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang
  • Patent number: D892095
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang