Patents by Inventor Sangheon Lee

Sangheon Lee 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).

  • Patent number: 12165719
    Abstract: According to an exemplary embodiment of the present disclosure, a static random access memory apparatus which stably maintains the writing performance in a low-power environment is applied to determine whether a writing performance of the SRAM is degraded based on a voltage difference of a first bit line and a second bit line connected to a memory cell and triggers an operation of the writing performance assist circuit of the SRAM.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: December 10, 2024
    Assignee: Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Hanwool Jeong, Jaehyun Park, Sangheon Lee
  • Publication number: 20240393846
    Abstract: An electronic device according to an embodiment of the disclosure may include: two or more housings, a flexible display mounted to one or more housings among the two or more housings and configured to be expanded or reduced according to a sliding operation of one or more housings among the two or more housings, one or more sensors configured to acquire one or more pieces of temperature information from the electronic device, and at least one processor, comprising processing circuitry, operatively connected to the one or more sensors and the flexible display, wherein at least one processor, individually and/or collectively, is configured to: identify at least one of operation state information or one or more pieces of temperature information acquired from the electronic device, identify expanding state information of the flexible display, and control the electronic device to change a size of the flexible display by sliding the one or more housings based on at least one of the operation state information or the
    Type: Application
    Filed: May 21, 2024
    Publication date: November 28, 2024
    Inventors: Sangheon KIM, Kwangtaek WOO, Jiwoo LEE, Yonggil HAN
  • Patent number: 12155542
    Abstract: Provided are a method and apparatus for transmitting and receiving a data packet in a wireless communication system, the method including: provisioning at least one virtual network function (VNF) corresponding to some or all of a plurality of network functions (NFs) included in a first core network; registering, in the first core network, the provisioned at least one VNF; receiving a first packet from a user equipment (UE) and determining a path through which the first packet is to be transmitted, from among a first path between a user plane function (UPF) of the first core network and an electronic device and a second path between a UPF of a second core network and the electronic device; and transmitting the first packet through the determined path.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: November 26, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Yoonseon Han, Jungje Son, Joonwoo Kim, Sangheon Pack, Jaewook Lee, Yujin Tae
  • Patent number: 12144237
    Abstract: A mask assembly and an apparatus and method for manufacturing a display apparatus are provided. A mask assembly includes a mask frame and a mask on the mask frame and having at least one opening. The mask includes a mask body portion having the at least one opening, and a protruding portion arranged to surround the at least one opening and including an inner surface defining the at least one opening, the protruding portion protruding from the mask body portion and configured to protrude toward a display substrate and contact the display substrate. A deposition material is configured to pass through the at least one opening to be deposited in an entire display area of a display panel including a plurality of pixels.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: November 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yalim Kim, Jongdae Lee, Sangheon Jeon, Dongseob Jeong, Youngeun Ryu, Minju Choi
  • Publication number: 20240362983
    Abstract: An electronic device according to various embodiments disclosed in this document may include a haptic module including at least a motor and outputting a tactile signal; a sound output module including at least one of a speaker and a receiver; and a processor operatively connected to the haptic module and the sound output module, wherein the processor is configured to obtain audio data and a signal related to audio data reproduction; identify whether to generate haptic data based on the audio data; in response to the identification, generate haptic data based on the audio data; reproduce the audio data based on a signal related to the audio data reproduction through the sound output module; control the haptic module; and output the tactile signal based on the generated haptic data.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Baekgyeong KIM, Byeongnam Kim, Misun Kim, Sangheon Kim, Mira Seo, Yonggu Lee, Yeunwook Lim
  • Publication number: 20240361015
    Abstract: A humidifier may include a humidifying device that generates humidified air, and a flow path unit that is disposed at an upper side of the humidifying device and guides humidified air. The flow path unit may include an inner shell that opens upward and through which humidified air generated by the humidifying device flows, and a water tank that is disposed inside of the inner shell and supplies stored water to the humidifying device. A discharge flow path through which humidified air flows may be formed between the inner shell and the water tank, and the inner shell may be detachably coupled to an upper side of the humidifying device.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 31, 2024
    Inventors: Myungjin KU, Sangheon LEE, Kunyoung LEE, Yeongcheol MUN, Suchan LIM, Chanho HWANG, Junehee KIM
  • Publication number: 20240361021
    Abstract: A humidifier may include a water tank that stores water, a heating device configured to be supplied with water from the water tank and heat the water, a humidifying device that is connected with the heating device and produces humidified air using water supplied from the heating device, a first connection tube that connects the heating device and the humidifying device, a second connection tube that connects the heating device and the humidifying device at a position different from the first connection tube, and a pump disposed at a side of the second connection tube that pumps water stored in the humidifying device to the heating device.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 31, 2024
    Inventors: Kyoha KEUM, Keunman PARK, Sangheon LEE, Kunyoung LEE
  • Publication number: 20240364881
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure may comprise obtaining a reconstructed picture, determining a target boundary of deblocking filtering in the reconstructed picture, determining a boundary strength for the target boundary, and applying deblocking filtering to the target boundary based on the boundary strength. Based on the target boundary being a transform block boundary and a color component of the reconstructed picture being a chroma component, the boundary strength may be determined based on whether joint CbCr residual coding is performed on at least one of two blocks adjacent to the target boundary, and the joint CbCr residual coding may correspond to encoding residual samples for a chroma Cb component and a chroma Cr component as a single transform block.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Hyeong Moon JANG, Sangheon LEE
  • Publication number: 20240361022
    Abstract: A humidifier may include a tank that stores water; a first humidifying water tank that is disposed at a lower side of the water tank and heats water supplied from the water tank using a heater; a second humidifying water tank that is disposed at the lower side of the water tank and generates humidified air using water supplied from the first humidifying water tank via a vibrator; a first connection pipe that connects the first humidifying water tank and the second humidifying water tank; a first valve that opens and closes a flow path connecting the water tank and the first humidifying water tank; a second valve that opens and closes the first connection pipe; and a first temperature sensor that detects a temperature of water inside of the first humidifying water tank. The second valve may open the first connection pipe, when the temperature of water detected by the first temperature sensor is equal to or higher than a first predetermined temperature.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 31, 2024
    Inventors: Keunman PARK, Hyunpll Ha, Sangheon Lee, Kunyoung Lee
  • Publication number: 20240361017
    Abstract: A humidifier includes a first humidifying water tank which heats water; and an electrical equipment unit electrically connected to the first humidifying water tank, wherein the first humidifying tank includes a heater which is disposed in a lower portion of the first humidifying water tank, and heats water, wherein the electrical equipment unit includes: a first substrate which supplies power to the heater; and a control box which accommodates the first substrate, and is electrically connected to a power cord and the heater, respectively.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 31, 2024
    Inventors: Sangheon LEE, Keunman PARK, Myungjin KU, Kunyoung LEE
  • Publication number: 20240356524
    Abstract: A bulk acoustic resonator includes a resonance portion including a first electrode, a piezoelectric layer disposed on the first electrode along a height direction, and a second electrode disposed on the piezoelectric layer along the height direction. The resonance portion includes an overlapping region in which the first electrode, the piezoelectric layer, and the second electrode overlap each other along the height direction. The overlapping region includes a central portion and an edge portion disposed outside the central portion, and including a first edge portion and a second edge portion. A height of the second electrode of the first edge portion and a height of the second electrode of the second edge portion are lower than a height of the second electrode of the central portion along the height direction, and are different from each other along the height direction.
    Type: Application
    Filed: February 22, 2024
    Publication date: October 24, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won HAN, Sang Uk SON, Jong Woon KIM, Sungwook KIM, Jeong Hoon RYOU, Daehun JEONG, Jung-Eun YOUM, Sangheon HAN, Jeonga KIM, Hwasun LEE
  • Publication number: 20240345722
    Abstract: A method for operating an electronic device including a display, according to one embodiment, may comprise an operation of receiving a touch input having a point of contact on a first key from among a plurality of keys in a virtual keyboard displayed through the display. The method may comprise an operation of identifying, in response to the touch input, (a) one from among a first character and a second character on the basis of the first character represented by the first key, the second character represented by a second key adjacent to the first key from among the plurality of keys, and at least one third character displayed before the touch input is received within a text input part displayed together with the virtual keyboard. The method may comprise an operation of displaying the identified character within the text input part through the display.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junsung KIM, Bosung KIM, Taekyoung KIM, Seoghee JEONG, Sangheon KIM, Seokwon KIM, Heewon KIM, Sangyong LEE, Yeunwook LIM
  • Publication number: 20240324281
    Abstract: An apparatus for manufacturing a display apparatus includes: a mask assembly facing a display substrate; and a deposition source facing the mask assembly on a side opposite the display substrate. The mask assembly includes: a mask frame having an opening area; a first mask on the mask frame and having a first opening; and a second mask on the first mask and having a plurality of second openings overlapping with the first opening and positioned within a circumference of the first opening in a plan view. A corner curvature radius of each of the second openings is 6 ?m or less.
    Type: Application
    Filed: January 24, 2024
    Publication date: September 26, 2024
    Inventors: Seil Kim, Minchul Song, Sangshin Lee, Seungjin Lee, Sangheon Jeon
  • Publication number: 20240282252
    Abstract: An electronic device includes memory storing instructions. The electronic device includes at least one processor comprising processing circuitry. The electronic device includes a display panel including a plurality of pixels. The instructions, when executed by the at least one processor individually and/or collectively, cause the electronic device to: display, through the display panel, a screen for a low-power state including at least one visual object; identify an event for displaying a visual object in the screen while displaying the screen; identify an on-pixel ratio (OPR) of the visual object in response to the event; and based on changing a first value representing an attribute of the visual object to a second value lower than the first value in response to the OPR being higher than a reference OPR, display, through the display panel, the screen including the visual object.
    Type: Application
    Filed: February 16, 2024
    Publication date: August 22, 2024
    Inventors: Sejong KIM, Changrae LEE, Sangheon KIM
  • Publication number: 20240280995
    Abstract: A humidifier according to an embodiment includes: a case; and a humidifying assembly disposed in the case and configured to generate mist, wherein the humidifying assembly includes a humidifying chamber defining a space in which water is contained, and first and second ultrasonic vibrators disposed under the humidifying chamber, wherein the humidifying assembly is configured to drive one of the first and second ultrasonic vibrators, or to drive the first and second ultrasonic vibrators with different driving signals, thereby adjusting the direction and shape of mist and providing various mist modes.
    Type: Application
    Filed: April 26, 2024
    Publication date: August 22, 2024
    Inventors: Sangheon LEE, Kyunglok CHO, Kunyoung LEE, Wonjun JEONG
  • Patent number: 12069255
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure may comprise obtaining a reconstructed picture, determining a target boundary of deblocking filtering in the reconstructed picture, determining a boundary strength for the target boundary, and applying deblocking filtering to the target boundary based on the boundary strength. Based on the target boundary being a transform block boundary and a color component of the reconstructed picture being a chroma component, the boundary strength may be determined based on whether joint CbCr residual coding is performed on at least one of two blocks adjacent to the target boundary, and the joint CbCr residual coding may correspond to encoding residual samples for a chroma Cb component and a chroma Cr component as a single transform block.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: August 20, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Hyeong Moon Jang, Sangheon Lee
  • Patent number: 12057844
    Abstract: A digital droop detector for detecting whether a droop occurs in a power supply voltage, may include processing circuitry configured to, detect a voltage level change of a power supply voltage in response to a clock signal, the detecting the voltage level change including converting the detected voltage level change into a first code, correct at least one nonlinearity included in the first code, the correcting including converting the first code into a second code and a target range, and adjust a delay magnitude of the clock signal based on the second code.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sangheon Lee, Heewook Shin, Heejune Lee, Jungho Lee, Youngjae Cho, Michael Choi
  • Patent number: 12003793
    Abstract: The present invention relates to a transmission apparatus and reception apparatus for parallel data streams. The present specification discloses a wireless stream transmission apparatus comprising: an encoder for dividing an inputted picture into multiple areas and performing, for each area, encoding so as to generate a bitstream including a header and data; a DS generating unit for removing or modifying at least a portion of headers related to the multiple areas into compact headers, and combining, with the data, at least the remaining headers which have not been removed or the compact headers so as to generate a data stream for each area; and a communication unit for packing the data stream so as to generate a packet, and transmitting, on the basis of wireless communication, the packet to a wireless stream reception apparatus. By using modified headers in applications where real time is important, it is possible to reduce a traffic burden and satisfy low-latency requirements.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 4, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jonghun Yoo, Yoonjung Kim, Sangheon Lee, Jaehyeok Lee, Taeil Chung
  • Publication number: 20240177782
    Abstract: According to an exemplary embodiment of the present disclosure, a static random access memory apparatus which stably maintains the writing performance in a low-power environment is applied to determine whether a writing performance of the SRAM is degraded based on a voltage difference of a first bit line and a second bit line connected to a memory cell and triggers an operation of the writing performance assist circuit of the SRAM.
    Type: Application
    Filed: December 23, 2022
    Publication date: May 30, 2024
    Inventors: Hanwool JEONG, Jaehyun PARK, Sangheon LEE
  • Publication number: 20240146292
    Abstract: A bootstrap circuit for generating an output signal through a pre-charge operation and a sample operation, includes: a sampler including a sampling switch configured to sample an input signal, a first protection switch connected between an input node and the sampling switch, and a second protection switch connected between the sampling switch and an output node; and a driver configured to drive the sampler based on a power supply voltage and the input signal.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangheon LEE, Jungho LEE, Youngjae CHO, Michael CHOI