Patents by Inventor Jae Seung Choi

Jae Seung Choi 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: 20240120276
    Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.
    Type: Application
    Filed: July 27, 2023
    Publication date: April 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Seung CHOI, Byung-Su KIM, Bong Il PARK, Chang Seok KWAK, Sun Hee PARK, Sang Joon CHEON
  • Publication number: 20240120974
    Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 11, 2024
    Inventors: Yu Ro LEE, Jae Woo PARK, Jae Seung LEE, Jee Yon CHOI, Il Gyu KIM, Seung Chan BANG
  • Publication number: 20240106415
    Abstract: Provided is a surface acoustic wave filter with improved attenuation characteristics.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Inventors: Hyung Gon KIM, Tae Hyeong KWON, Jae Seung CHOI
  • Patent number: 11854610
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
  • Publication number: 20230186982
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung Kang, Hoon KIM, Jisu YU, Sun-Yung JANG
  • Publication number: 20230176112
    Abstract: A semiconductor chip includes a semiconductor device connected between a first node to which a power supply voltage is applied and a second node to which a ground voltage is applied, a first ring oscillator connected to the first node through a first supply switch and the second node through a first ground switch and a second ring oscillator connected to the first node through a second supply switch and the second node through a second ground switch, wherein the first supply and ground switches are configured to operate in response to a first control signal, thereby operating the first ring oscillator, and the second supply and ground switches are configured to operate in response to a second control signal, thereby operating the second ring oscillator.
    Type: Application
    Filed: October 18, 2022
    Publication date: June 8, 2023
    Inventors: Yeon Ho Jung, Jong Wook Kye, Min Woo Kwak, Mi Joung Kim, Chan Wook Park, Do Hoon Byun, Kwan Seong Lee, Jae Ho Lee, Jae Seung Choi, Hwang Ho Choi
  • Publication number: 20230097976
    Abstract: An integrated circuit and an electronic device including the integrated circuit are provided. An integrated circuit includes a sequential logic circuit, which includes a first scan cell that is configured to receive a scan input, and a plurality of scan cells sequentially connected in series from the first scan cell, a control unit, which is configured to receive a selection signal including an output of each of the plurality of scan cells, and is further configured to output a control signal responsive to the selection signal, and a monitoring circuit, which is configured to receive the control signal, is configured to perform first monitoring of first data at a first node that is an observation node in the sequential logic circuit responsive to the control signal, and is configured to output a result of the first monitoring to a monitoring node.
    Type: Application
    Filed: May 6, 2022
    Publication date: March 30, 2023
    Inventors: Yeon Ho Jung, Jong Wook Kye, Min Woo Kwak, Mi Joung Kim, Chan Wook Park, Do Hoon Byun, Je Kyun Ryu, Kwan Seong Lee, Jae Ho Lee, Jae Seung Choi
  • Patent number: 11581038
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
  • Patent number: 11437315
    Abstract: Provided is an integrated circuit which includes: a plurality of conductive lines extending in a first horizontal direction on a plane separate from a gate line, and including first and second conductive lines; a source/drain contact having a bottom surface connected to a source/drain region, and including a lower source/drain contact and an upper source/drain contact which are connected to each other in a vertical direction; and a gate contact having a bottom surface connected to the gate line, and extending in the vertical direction, in which the upper source/drain contact is placed below the first conductive line, and the gate contact is placed below the second conductive line. A top surface of the lower source/drain contact may be larger than a bottom surface of the upper source/drain contact.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: September 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-hyung Kim, Jung-ho Do, Dae-young Moon, Sang-yeop Baeck, Jae-hyun Lim, Jae-seung Choi, Sang-shin Han
  • Publication number: 20210383861
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Application
    Filed: August 26, 2021
    Publication date: December 9, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung KANG, Hoon KIM, Jisu YU, Sun-Yung JANG
  • Patent number: 11183233
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
  • Patent number: 11152058
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
  • Patent number: 11000354
    Abstract: An electric toothbrush of the present invention includes: a case having first and second drive shafts exposed therefrom, the first and second drive shafts being rotated in opposite directions and moved forward and backward respectively by a drive unit which is driven by a motor; first and second toothbrush bodies coupled to the first and second drive shafts by first and second coupling units respectively, so as to transmit the rotational force and forward and backward motions of the first and second drive shafts; a brush installed at the ends of the first and second toothbrush bodies so as to clean teeth by the rotational force and forward and backward motions transmitted to the first and second toothbrush bodies; and a third toothbrush body having an auxiliary brush, which is coupled to a third drive shaft of the drive unit installed in the case.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 11, 2021
    Inventors: Jae Seung Choi, Joo A Choi
  • Patent number: 10857478
    Abstract: A stacked type falling film evaporator includes a first evaporator, a second evaporator, a first vapor recovering device, a second vapor recovering device and a vapor recompressor. The first evaporator and the second evaporator respectively have evaporation tubes of a length of 5 m to 10 m, and are stacked in such a manner that wastewater passes through the first evaporator and the second evaporator in order. The first vapor recovering device collects vapor generated from the wastewater in the first evaporator and supplies the collected vapor to the second evaporator. The second vapor recovering device collects vapor generated from the wastewater in the second evaporator and supplies the collected vapor to the first evaporator. The vapor recompressor compresses the vapor collected in the second vapor recovering device before the vapor is supplied to the first evaporator.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 8, 2020
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Sang Moon Kim, Youngjun Ro, Gun Myung Lee, Jae Seung Choi
  • Patent number: 10847208
    Abstract: A memory device includes a memory cell array and a peripheral circuit. The memory cell array receives a first power supply voltage and includes a plurality of bit cells that store data based on the first power supply voltage. The peripheral circuit is receives a second power supply voltage and controls the memory cell array based on the second power supply voltage. The peripheral circuit includes a voltage generation circuit that receives the first power supply voltage and the second power supply voltage. The voltage generation circuit adaptively adjusts a word-line driving voltage directly or indirectly based on a difference between the first power supply voltage and the second power supply voltage during a memory operation on the plurality of bit cells, and applies the word-line driving voltage to a first word-line coupled to first bit cells selected from the bit cells.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-Hak Lee, Sang-Yeop Baeck, Jae-Seung Choi
  • Patent number: 10672442
    Abstract: Provided are a voltage control circuit including an assist circuit and a memory device including the voltage control circuit. The memory device includes: a volatile memory cell array, which is connected to a plurality of word lines and includes a memory cell including at least one transistor; and an assist circuit, which is connected to at least one of the plurality of word lines and adjusts a driving voltage level of each of the plurality of word lines, wherein the assist circuit includes a diode N-channel metal oxide semiconductor (NMOS) transistor having a gate and a drain connected to each other.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-yeop Baeck, Siddharth Gupta, In-hak Lee, Jae-seung Choi, Tae-hyung Kim, Dae-young Moon, Dong-wook Seo
  • Publication number: 20200168542
    Abstract: Provided is an integrated circuit which includes: a plurality of conductive lines extending in a first horizontal direction on a plane separate from a gate line, and including first and second conductive lines; a source/drain contact having a bottom surface connected to a source/drain region, and including a lower source/drain contact and an upper source/drain contact which are connected to each other in a vertical direction; and a gate contact having a bottom surface connected to the gate line, and extending in the vertical direction, in which the upper source/drain contact is placed below the first conductive line, and the gate contact is placed below the second conductive line. A top surface of the lower source/drain contact may be larger than a bottom surface of the upper source/drain contact.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Inventors: Tae-hyung Kim, Jung-ho Do, Dae-young Moon, Sang-yeop Baeck, Jae-hyun Lim, Jae-seung Choi, Sang-shin Han
  • Patent number: 10580733
    Abstract: Provided is an integrated circuit which includes: a plurality of conductive lines extending in a first horizontal direction on a plane separate from a gate line, and including first and second conductive lines; a source/drain contact having a bottom surface connected to a source/drain region, and including a lower source/drain contact and an upper source/drain contact which are connected to each other in a vertical direction; and a gate contact having a bottom surface connected to the gate line, and extending in the vertical direction, in which the upper source/drain contact is placed below the first conductive line, and the gate contact is placed below the second conductive line. A top surface of the lower source/drain contact may be larger than a bottom surface of the upper source/drain contact.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-hyung Kim, Jung-ho Do, Dae-young Moon, Sang-yeop Baeck, Jae-hyun Lim, Jae-seung Choi, Sang-shin Han
  • Publication number: 20200005860
    Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung KANG, Hoon KIM, Jisu YU, Sun-Yung JANG
  • Publication number: 20200001197
    Abstract: A stacked type falling film evaporator includes a first evaporator, a second evaporator, a first vapor recovering device, a second vapor recovering device and a vapor recompressor. The first evaporator and the second evaporator respectively have evaporation tubes of a length of 5 m to 10 m, and are stacked in such a manner that wastewater passes through the first evaporator and the second evaporator in order. The first vapor recovering device collects vapor generated from the wastewater in the first evaporator and supplies the collected vapor to the second evaporator. The second vapor recovering device collects vapor generated from the wastewater in the second evaporator and supplies the collected vapor to the first evaporator. The vapor recompressor compresses the vapor collected in the second vapor recovering device before the vapor is supplied to the first evaporator.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Sang Moon KIM, Youngjun RO, Gun Myung LEE, Jae Seung CHOI