Patents by Inventor Sung Lee

Sung 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).

  • Publication number: 20210172587
    Abstract: A lighting device includes a lighting unit with a snapping member formed on each of two ends thereof. A lighting portion is formed to the lighting unit and located between the two snapping members. A room defined in the lighting unit. A light emitting unit is located in the room and includes a light emitting member which is located corresponding to the lighting portion. A switch is connected to the underside of the lighting unit and electrically connected to the light emitting unit so as to control the operation of the light emitting member. Two clip members are respectively connected to the two snapping members of the lighting unit, or two connection portions are respectively formed on the two ends of the lighting unit. The clip members or the connection portions are attached to the visor to maintain the lighting device to the underside of the visor.
    Type: Application
    Filed: December 4, 2019
    Publication date: June 10, 2021
    Inventor: Wen-Sung Lee
  • Patent number: 11027835
    Abstract: An unmanned aerial vehicle according to various embodiments includes: a housing; a communication circuit, wherein the communication circuit establishes wireless communication with an external controller; and a plurality of propulsion systems connected to the housing, wherein the propulsion systems include: a motor; a rotation shaft having an axis extending in a first direction, wherein a first end is connected to the motor, and wherein the rotation shaft is rotates in a first direction by the motor; a cap structure fixed to the second end of the rotation shaft, a propeller including: a hub including a through-hole formed in the first direction, such that the rotation shaft rotatably passes through the through-hole, wherein the propeller is detachably connected to the cap structure, such that, when an external force is exerted on the blade, the propeller is released from the cap structure to be freely movable along the axis toward the motor.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: June 8, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Chul Baek, Wonhee Choi, Sang-In Baek, Min-Woo Yoo, Byoung-Uk Yoon, Min-Sung Lee, Jong-Chul Choi
  • Patent number: 11031656
    Abstract: The present disclosure relates to an invention directed to a composite separator having a porous coating layer, where the porous coating layer is prepared from a slurry by adjusting a particle diameter of an inorganic matter that is an ingredient of the slurry, so that a sinking rate of the inorganic particles may remarkably slow down and dispersibility may be dramatically improved, and as a result, the content of the inorganic particles may relatively increase and the inorganic particles may be uniformly distributed in the coating layer on a substrate, thereby preventing a reduction in battery performance.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: June 8, 2021
    Inventors: Joo-Sung Lee, Su-Jin Yoon, Da-Kyung Han, Bo-Kyung Ryu, Jong-Hun Kim
  • Patent number: 11031588
    Abstract: Provided are a silicon-based composite anode active material for a secondary battery and an anode including the same. The anode active material for a secondary battery may be a silicon-based composite anode active material, which may include a graphite and a silicon component including two or more selected from the group consisting of Si, Si-M, SiOx, and SiC. The Si-M may be a silicon alloy, and the M may include at least one selected from the group consisting of a transition metal, an alkaline earth metal, a group 13 element, a group 14 element, and a rare earth element.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: June 8, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Seung-Min Oh, Yoon Sung Lee, Jung Young Cho, Yeolmae Yeo
  • Patent number: 11032080
    Abstract: A method for processing a cryptographic operation request includes receiving, at a hardware security module (HSM), the cryptographic operation request including a cryptographic key and at least one authorization token, determining, by the HSM, whether an access control list (ACL) associated with the cryptographic key of the cryptographic operation request is authorized to govern access to the cryptographic key, and validating, by the HSM, the at least one authorization token. When the at least one authorization token is valid and the ACL is authorized to govern access to the cryptographic key of the cryptographic operation request, the method includes processing, by the HSM, the cryptographic operation request.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: June 8, 2021
    Assignee: Google LLC
    Inventors: Patrick Stahlberg, Il-Sung Lee, Tao Tao, Xiaolan Zhang, John Randolph, August Huber, David Elrom
  • Publication number: 20210165090
    Abstract: The present invention provides a detection device and a method with simplified computing manner A transmitter transmits detection signals to an environment to detect a target. At least a portion of the detection signals are reflected by the target to generate a plurality of reflection signals. A receiver comprises a plurality of receiving units. Each of the receiving units receives the reflection signals to generate a receiving signal. A processing module connected to the receiver includes a conversion unit, an integration unit and a computing unit. The conversion unit converts the receiving signals into transformation signals by a time-domain to frequency-domain transformation. The integration unit integrates the transformation signals into a first integration signal and a second integration signal. The computing unit decomposes the first integration signal and the second integration signal to 1D arrays.
    Type: Application
    Filed: July 7, 2020
    Publication date: June 3, 2021
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: TA-SUNG LEE, KUAN-HEN LIN, YU-CHIEN LIN, YUN-HAN PAN
  • Publication number: 20210166444
    Abstract: Disclosed are a positron emission tomography system and an image reconstructing method using the same and the positron emission tomography system includes: a collection unit collecting a positron emission tomography sinogram (PET sinogram); an image generation unit applying the positron emission tomography sinogram to an MLAA with TOF and generating a first emission image and a first attenuation image and a NAC image reconstructed without attenuation correction; and a control unit selecting at least one of the first emission image, the first attenuation image and the NAC image generated by the image generation unit as an input image and generating and providing a final attenuation image by applying the input image to the learned deep learning algorithm.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Inventors: Jae Sung Lee, Donghwi Hwang, Kyeong Yun Kim
  • Publication number: 20210165775
    Abstract: The present invention relates to an apparatus for generating data quality information of electric power equipment, the apparatus including a data collector configured to collect a piece of measured data of electric power equipment, a storage configured to store a previous value and a set value for the piece of measured data, and a quality value generator configured to generate a quality value for the piece of measured data by applying the piece of measured data, the previous value, and the set value to a predetermined logic circuit.
    Type: Application
    Filed: June 22, 2017
    Publication date: June 3, 2021
    Applicant: Korea Electric Power Corporation
    Inventors: Chung Hyo Kim, Jun Churl Yoon, Young Sung Lee, Yong Hun Lim, Seong Ho Ju
  • Patent number: 11021231
    Abstract: An unmanned aerial vehicle includes a housing, a wireless communication circuit, a navigation circuit, a plurality of propulsion systems, and a propeller. At least one of the plurality of propulsion systems includes a motor, and a construction disposed to the motor. The construction includes a first side, a second side facing the motor in a direction opposite to the first side, a shaft inserting hole disposed to the second side, and a latching protrusion and a latching groove that are extended sequentially inside the shaft inserting hole. The propeller is fastened to the construction, and includes a hub coupled to the first side of the construction, a fixing shaft that protrudes in a direction of the construction that is inserted to the shaft inserting hole of the construction, and at least one protrusion on an outer circumferential surface of the fixing shaft.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Chul Baek, Jaeho Kang, Yeonggyu Yoon, Min-Woo Yoo, Min-Sung Lee
  • Patent number: 11024805
    Abstract: Provided are an organic electric element for achieving high light-emitting efficiency, low driving voltage and improved lifespan, which comprises a mixture of a compound of Formula (1) and a compound of Formula (2) as a phosphorescent host material; and an electronic device thereof.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: June 1, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Sun Pil Hwang, Sun Hee Lee, Ho Young Jung, Bum Sung Lee
  • Patent number: 11023195
    Abstract: Disclosed is a display apparatus including a plurality of display modules and a frame to detachably mount the plurality of display modules thereon, the frame including guide bars on which the display module includes guide bars are mounted to be movable in a horizontal direction, so that a screen is physically separated or joined.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Oh Jae Kwon, Jin Sung Lee, Jong Sul Min, Ho Young Lee
  • Patent number: 11024880
    Abstract: Disclose are an electrolyte composite for a lithium secondary battery having an improved output; a cathode including a protective film on its surface; and a lithium secondary battery comprising the same.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 1, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yoon Sung Lee, KiSeok Koh, Jung Young Cho, Ikkyu Kim, Yeolmae Yeo, Seung-Min Oh, Sa Heum Kim, Sungmin Choi
  • Patent number: 11024810
    Abstract: Provided are an organic electronic element and an electronic device thereof, comprising a mixture of a compound of Formula 1 as a phosphorescent host material and thereby achieving high light-emitting efficiency, low driving voltage and improved lifespan.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 1, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Sun Hee Lee, Soung Yun Mun, Hwa Soon Jung, Jung Hwan Park, Sun Pil Hwang, Bum Sung Lee
  • Publication number: 20210155852
    Abstract: A polymerizable liquid crystal compound represented by Chemical Formula 1, a liquid crystal composition for an optical element comprising the same, a polymer polymerized from the same, an optically anisotropic body comprising a cured material or polymerized reactant of the liquid crystal composition or the polymer, and an optical element for a display device comprising the optical anisotropic body are disclosed herein.
    Type: Application
    Filed: April 23, 2019
    Publication date: May 27, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Minyoung Kang, Hyok Joon Kwon, Sung In Lee
  • Publication number: 20210155945
    Abstract: The present invention relates to an acid-resistant yeast endowed with a lactic acid production ability and having a suppressed ethanol production pathway, and a method for producing lactic acid using same. According to the present invention, by effectively suppressing the production of ethanol in an acid-resistant yeast, and by expressing an LDH enzyme with strong expression and high efficiency, it is possible to produce lactic acid with high yield even at low pH without degrading growth.
    Type: Application
    Filed: February 28, 2019
    Publication date: May 27, 2021
    Inventors: Jae Yeon PARK, Tae Young LEE, Ki Sung LEE
  • Publication number: 20210160019
    Abstract: A baseband signal generation method includes mapping frequency-domain data for a plurality of component carriers to subcarrier resources; performing a frequency shift on the frequency domain-data allocated to the subcarrier resources; generating a time-domain signal by performing IFFT on the frequency-shifted frequency-domain data using a single IFFT block; and generating a time-domain baseband signal by adding a CP to the time-domain signal.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Inventors: Hoo Sung LEE, Jae Woo PARK, Moon Sik LEE, Chan Bok JEONG, Jee Yon CHOI
  • Publication number: 20210146748
    Abstract: The present disclosure relates to a damper dial for a vehicle air vent and prevents a manipulation force from increasing even when a dial fixture in which a dial body is rotatably installed is deformed by an impact generated while a vehicle is being operated such that the inner wall surfaces of the dial fixture are displaced toward the dial body.
    Type: Application
    Filed: June 22, 2018
    Publication date: May 20, 2021
    Inventors: Ji Hoon LEE, Kwang Sung LEE
  • Publication number: 20210151796
    Abstract: An electrolytic solution is disclosed. The electrolytic solution can be used, for example, in a lithium secondary battery.
    Type: Application
    Filed: May 26, 2020
    Publication date: May 20, 2021
    Inventors: Yoon Sung Lee, Yeol Mae Yeo, Seung Min Oh, Ik Kyu Kim, Ji Eun Lee, Nam Hyeong Kim, Dong Jun Kim, Seung Wan Song, Gyeong Jun Chung
  • Patent number: 11009790
    Abstract: A photoacid generator (PAG) and a photoresist composition, the PAG being represented by the following Chemical Formula (I): wherein, in Chemical Formula (I), L is sulfur (S) or iodine (I), R3 being omitted when L is I; R1, R2, and R3 are each independently a C1 to C10 alkyl, alkenyl, alkynyl, or alkoxy group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L, or a C6 to C18 aryl, arylalkyl, or alkylaryl group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L; AL is an acid-labile group; m is 1 to 4; and M is a C1 to C30 hydrocarbon group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and a sulfur atom.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk-koo Hong, Kyoung-yong Cho, Hyo-sung Lee, Gum-hye Jeon, Mi-yeong Kang, Gun-woo Park
  • Patent number: 11012867
    Abstract: A method of cell placement includes choosing the ray-tracing channel matrices for the Nth iteration according to candidate cell locations of the Nth iteration and the user distributions, calculating fitness values for the Nth iteration based on the ray-tracing channel matrices, substituting the fitness values for the Nth iteration and corresponding candidate cell locations for the best fitness and best candidate cell locations in a total iterative process respectively if the fitness values for the Nth iteration are greater than or equal to multiple thresholds and the best fitness in a total iterative process, storing candidate cell locations of the Nth iteration, and verifies termination criteria, if termination criteria are not satisfied at the Nth iteration, generating the candidate cell locations of the N+1th iteration.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: May 18, 2021
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Ta-Sung Lee, Yu-Shan Chiu